/* ==========================================================
   火博体育 · /assets/site.css
   全站共享样式：Reset、变量、基排版、页头、页脚、通用组件
   ========================================================== */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, table, caption,
tbody, tfoot, thead, tr, th, td, article, aside,
canvas, details, embed, figure, figcaption, footer,
header, hgroup, menu, nav, output, ruby, section,
summary, time, mark, audio, video {
  margin: 0; padding: 0; border: 0; font-size: 100%;
  vertical-align: baseline;
}
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section { display: block; }
ol, ul { list-style: none; }
blockquote, q { quotes: none; }
table { border-collapse: collapse; border-spacing: 0; }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; font-size: inherit; line-height: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }

/* ---------- 2. CSS Vars ---------- */
:root {
  --clr-blue: #1E5B8A;
  --clr-white: #F7F8FA;
  --clr-ink: #0A1A2B;
  --clr-red: #D43D2A;
  --clr-gold: #C9A86A;
  --clr-paper: #FDF6E3;
  --clr-gray: #D1D9E0;
  --clr-obsidian: #111820;

  --font-title: "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "Helvetica Neue", "PingFang SC", sans-serif;

  --container-width: 1200px;
  --radius: 4px;
  --shadow-hard: 6px 6px 0 rgba(10, 26, 43, 0.16);
  --shadow-soft: 0 4px 16px rgba(10, 26, 43, 0.08);
  --header-z: 100;
  --toggle-transition: 0.2s ease;
}

/* ---------- 3. Base Typography ---------- */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--clr-ink);
  background-color: var(--clr-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; display: block; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-title);
  font-weight: 900;
  line-height: 1.25;
  color: var(--clr-ink);
  margin-bottom: 0.6em;
}
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.0625rem; }
p + p { margin-top: 0.75em; }
a { color: var(--clr-blue); transition: color 0.15s ease; }
a:hover { color: var(--clr-red); }
strong { font-weight: 700; }
em { font-style: normal; font-weight: 600; }
::selection { background: var(--clr-gold); color: var(--clr-ink); }

/* ---------- 4. Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border-width: 0;
}
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}
:focus-visible {
  outline: 3px solid var(--clr-gold);
  outline-offset: 2px;
}

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75em 1.5em;
  border: 3px solid var(--clr-ink);
  border-radius: var(--radius);
  background: var(--clr-white);
  color: var(--clr-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--clr-ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}
.btn:hover, .btn:focus-visible {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--clr-ink);
  color: var(--clr-ink);
  background: var(--clr-paper);
}
.btn:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}
.btn-primary {
  background: var(--clr-blue);
  border-color: var(--clr-ink);
  color: #fff;
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--clr-blue);
  color: #fff;
  filter: brightness(1.1);
}
.btn-accent {
  background: var(--clr-red);
  border-color: var(--clr-ink);
  color: #fff;
}
.btn-accent:hover, .btn-accent:focus-visible {
  background: var(--clr-red);
  color: #fff;
  filter: brightness(1.1);
}
@keyframes btn-pulse-keyframe {
  0%, 100% { box-shadow: 4px 4px 0 var(--clr-ink), 0 0 0 0 rgba(212, 61, 42, 0.45); }
  50% { box-shadow: 4px 4px 0 var(--clr-ink), 0 0 0 10px rgba(212, 61, 42, 0); }
}
.btn-pulse { animation: btn-pulse-keyframe 2s ease-out infinite; }

/* ---------- 6. Header ---------- */
.site-header {
  position: relative;
  z-index: var(--header-z);
  background: var(--clr-white);
}

/* Skip Link */
.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 900;
  background: var(--clr-ink);
  color: #fff;
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  font-size: 0.9375rem;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow-hard);
  transition: top 0.2s ease;
}
.skip-link:focus { top: 0; color: #fff; }

/* Scroll Progress */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--clr-red), var(--clr-gold));
  z-index: 1000;
  pointer-events: none;
  transition: width 0.05s linear;
}

/* Tibet Stripe */
.header-tibet-stripe {
  height: 8px;
  background: repeating-linear-gradient(100deg,
    var(--clr-gold) 0 30px,
    var(--clr-red) 30px 60px,
    var(--clr-white) 60px 90px,
    var(--clr-blue) 90px 120px
  );
}

/* Header Inner */
.header-inner {
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}

/* Top Line */
.header-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.25rem 0 1rem;
  background: var(--clr-white);
}

/* Brand */
.header-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  flex-shrink: 0;
}
.header-brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: var(--clr-red);
  border: 3px solid var(--clr-ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--clr-ink);
  flex-shrink: 0;
}
.header-brand-mark span {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  transform: rotate(-4deg);
}
.header-brand-text { display: flex; flex-direction: column; gap: 2px; }
.header-brand-name {
  font-family: var(--font-title);
  font-size: 1.625rem;
  font-weight: 900;
  color: var(--clr-blue);
  letter-spacing: 0.05em;
  line-height: 1.1;
}
.header-brand-slogan {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--clr-ink);
  opacity: 0.65;
  letter-spacing: 0.12em;
  line-height: 1.2;
}

/* Stats */
.header-stats {
  display: flex;
  align-items: stretch;
  gap: 0.625rem;
  flex-shrink: 0;
}
.header-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 74px;
  padding: 0.5rem 0.875rem;
  background: var(--clr-blue);
  border: 2px solid var(--clr-ink);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 var(--clr-ink);
}
.header-stat-num {
  font-family: var(--font-title);
  font-size: 1.375rem;
  font-weight: 900;
  color: var(--clr-gold);
  line-height: 1.1;
}
.header-stat-label {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.08em;
  margin-top: 2px;
  white-space: nowrap;
}

/* ---------- 7. Navigation ---------- */
.header-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--clr-white);
  border-top: 1px solid var(--clr-gray);
  border-bottom: 4px solid var(--clr-ink);
  position: relative;
}
.site-nav {
  flex: 1;
  max-width: var(--container-width);
  margin-inline: auto;
}
.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.125rem;
  padding: 0;
  margin: 0;
}
.nav-item { flex: 0 0 auto; }
.nav-link {
  display: block;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--clr-blue);
  text-decoration: none;
  border-bottom: 4px solid transparent;
  margin-bottom: -4px;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}
.nav-link:hover {
  color: var(--clr-red);
  border-bottom-color: var(--clr-red);
  background: rgba(30, 91, 138, 0.05);
}
.nav-link[aria-current="page"] {
  color: var(--clr-ink);
  border-bottom-color: var(--clr-ink);
  font-weight: 900;
}

/* Nav Toggle (Hamburger) */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0.625rem 0.75rem;
  margin-left: 0.75rem;
  background: transparent;
  border: 2px solid var(--clr-ink);
  border-radius: var(--radius);
  color: var(--clr-blue);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.nav-toggle:hover, .nav-toggle:focus-visible {
  background: var(--clr-blue);
  color: #fff;
}
.nav-toggle-line {
  display: block;
  width: 24px;
  height: 3px;
  background: currentColor;
  border-radius: 2px;
  margin: 0 auto;
  transition: transform var(--toggle-transition), opacity 0.2s ease;
}
.nav-toggle-line + .nav-toggle-line { margin-top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) { transform: rotate(45deg) translate(4px, 4px); }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(4) { transform: rotate(-45deg) translate(4px, -4px); }

/* ---------- 8. Footer ---------- */
.site-footer {
  flex-shrink: 0;
  background: var(--clr-obsidian);
  color: rgba(255, 255, 255, 0.82);
  margin-top: auto;
  position: relative;
}
.footer-tibet-stripe {
  height: 8px;
  background: repeating-linear-gradient(90deg,
    var(--clr-gold) 0 40px,
    var(--clr-red) 40px 80px,
    var(--clr-blue) 80px 120px
  );
}
.footer-colophon {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.6fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: var(--container-width);
  margin-inline: auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 3vw, 2rem) 2rem;
}

/* Footer Brand */
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.footer-brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--clr-red);
  border: 2px solid var(--clr-gold);
  border-radius: var(--radius);
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  line-height: 1;
  flex-shrink: 0;
}
.footer-brand-text { display: flex; flex-direction: column; gap: 1px; }
.footer-brand-name {
  font-family: var(--font-title);
  font-size: 1.375rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.04em;
}
.footer-brand-slogan {
  font-size: 0.75rem;
  color: var(--clr-gold);
  letter-spacing: 0.1em;
}
.footer-trust {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  max-width: 34ch;
}

/* Footer Nav */
.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-gold);
  margin-bottom: 1rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-block;
}
.footer-links li + li { margin-top: 0.5rem; }
.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
  display: inline-block;
  padding: 0.125rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.footer-links a:hover, .footer-links a:focus-visible {
  color: var(--clr-gold);
  border-bottom-color: var(--clr-gold);
}

/* Footer Contact */
.footer-contact-list li { display: flex; align-items: flex-start; gap: 0.5rem; }
.footer-contact-list li + li { margin-top: 0.625rem; }
.footer-contact-label {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-gold);
  background: rgba(201, 168, 106, 0.12);
  border-radius: 2px;
  padding: 0.125rem 0.375rem;
  margin-top: 0.15em;
  letter-spacing: 0.05em;
}
.footer-contact-list li:not(.footer-note) {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.82);
  word-break: break-all;
}
.footer-note {
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.18);
  font-size: 0.8rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
  max-width: 52ch;
}
.footer-note::before { display: none; }

/* Footer Bottom */
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.125rem clamp(1rem, 3vw, 2rem);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer-icp { letter-spacing: 0.06em; }

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--clr-red);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  border: 3px solid var(--clr-ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.back-to-top:hover, .back-to-top:focus-visible {
  color: #fff;
  background: var(--clr-blue);
  transform: translateY(-2px);
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ---------- 9. Breadcrumb ---------- */
.breadcrumb { padding: 1rem 0 0.5rem; font-size: 0.875rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.breadcrumb li { display: flex; align-items: center; gap: 0.35rem; }
.breadcrumb li + li::before { content: "›"; color: var(--clr-gray); font-weight: 700; }
.breadcrumb a { color: var(--clr-blue); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--clr-ink); font-weight: 700; }

/* ---------- 10. Grid & Cards ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 992px) {
  .grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background: #fff;
  border: 2px solid var(--clr-ink);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 var(--clr-ink);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--clr-ink);
}
.card-header {
  padding: 1rem 1.25rem 0.5rem;
  border-bottom: 1px solid var(--clr-gray);
}
.card-body { padding: 1rem 1.25rem; flex: 1; }
.card-footer { padding: 0.75rem 1.25rem 1rem; }
.card-footer .btn { width: 100%; }

/* ---------- 11. Sections ---------- */
.section { padding: clamp(2rem, 5vw, 4.5rem) 0; }
.section + .section { border-top: 1px solid var(--clr-gray); }
.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 900;
  color: var(--clr-ink);
  position: relative;
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 56px;
  height: 4px;
  background: var(--clr-red);
  border-radius: 2px;
}

/* ---------- 12. Tags & Notice ---------- */
.tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--clr-blue);
  background: rgba(30, 91, 138, 0.08);
  border: 1px solid var(--clr-blue);
  border-radius: 999px;
  padding: 0.2rem 0.625rem;
}
.tag-hot { color: var(--clr-red); border-color: var(--clr-red); background: rgba(212, 61, 42, 0.07); }
.tag-new { color: var(--clr-ink); border-color: var(--clr-ink); background: var(--clr-paper); }

.notice {
  background: var(--clr-paper);
  border-left: 6px solid var(--clr-gold);
  border-right: 2px solid var(--clr-gray);
  border-top: 2px solid var(--clr-gray);
  border-bottom: 2px solid var(--clr-gray);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  font-size: 0.9375rem;
  box-shadow: var(--shadow-soft);
}

/* ---------- 13. Media Frames ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--clr-gray);
  border-radius: var(--radius);
  border: 2px solid var(--clr-ink);
}
.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  pointer-events: none;
  border-radius: 2px;
}
.media-4-3 { aspect-ratio: 4 / 3; }
.media-16-9 { aspect-ratio: 16 / 9; }
.media-1-1 { aspect-ratio: 1 / 1; }

/* ---------- 14. Filter ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  padding: 1rem 0 1.5rem;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-blue);
  background: #fff;
  border: 2px solid var(--clr-blue);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.filter-btn:hover, .filter-btn:focus-visible { background: rgba(30, 91, 138, 0.08); }
.filter-btn[data-active], .filter-btn[aria-pressed="true"] {
  background: var(--clr-red);
  border-color: var(--clr-ink);
  color: #fff;
  box-shadow: 2px 2px 0 var(--clr-ink);
}
[data-category][data-hidden] { display: none; }

/* ---------- 15. Reveal / Motion ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 16. Responsive ---------- */
@media (max-width: 992px) {
  .header-stats { gap: 0.375rem; }
  .header-stat { min-width: 60px; padding: 0.375rem 0.625rem; }
  .header-stat-num { font-size: 1.0625rem; }
  .header-stat-label { font-size: 0.5625rem; }
  .footer-colophon { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-column: 1 / -1; }
}

@media (max-width: 899px) {
  .header-navbar {
    padding: 0.25rem 0.75rem 0.75rem;
    justify-content: flex-end;
  }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    background: var(--clr-white);
    border-bottom: 4px solid var(--clr-ink);
    box-shadow: 0 12px 24px rgba(10, 26, 43, 0.2);
    max-width: none;
  }
  .site-nav[data-open] { display: block; }
  .nav-list {
    flex-direction: column;
    gap: 0;
  }
  .nav-link {
    border-bottom: 1px solid var(--clr-gray);
    border-radius: 0;
    margin-bottom: 0;
    padding: 1rem 1.25rem;
  }
  .nav-link:hover, .nav-link[aria-current="page"] {
    border-bottom-color: var(--clr-gray);
    color: var(--clr-red);
    background: rgba(212, 61, 42, 0.05);
    padding-left: 1.5rem;
  }
  .nav-link[aria-current="page"] { color: var(--clr-red); border-left: 4px solid var(--clr-red); }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .header-topline { flex-wrap: wrap; padding-top: 1rem; }
  .header-stats { display: none; }
  .header-brand { width: 100%; }
  .header-brand-mark { width: 44px; height: 44px; }
  .header-brand-mark span { font-size: 1.625rem; }
  .header-brand-name { font-size: 1.375rem; }
  .footer-colophon { grid-template-columns: 1fr; gap: 1.75rem; padding-top: 2rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-to-top { bottom: 1rem; right: 1rem; width: 42px; height: 42px; }
}

/* ---------- 17. Accessibility & Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .back-to-top { transition: none; }
  .btn-pulse { animation: none; }
}

@media (max-width: 480px) {
  .nav-link { font-size: 1rem; }
}
