/* ============================================================
   博万体育主站 · 共享样式 /assets/site.css
   夜场战术板：碳黑底 + 霓虹青 / 电光橙双主色对撞
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body { margin: 0; }

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

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

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

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

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

[hidden] { display: none !important; }

/* ---------- 2. 变量 ---------- */
:root {
  --c-void: #07090C;
  --c-panel: #11161C;
  --c-panel-2: #0C1116;
  --c-line: #2A333C;
  --c-cyan: #25E2D4;
  --c-orange: #FF7A1A;
  --c-magenta: #FF2E7E;
  --c-indigo: #6C5CE7;
  --c-teal-deep: #0B3A3A;
  --c-wine: #4A1220;
  --c-ink: #E8EEF3;
  --c-muted: #9AA9B6;
  --c-quiet: #4C5A69;

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Noto Sans Mono CJK SC", "Courier New", monospace;

  --rail-w: 268px;
  --wrap: 1280px;
  --gutter: 20px;
  --radius: 3px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --shadow-hard: 6px 6px 0 0 rgba(0, 0, 0, .82);
  --shadow-cyan: 6px 6px 0 0 rgba(37, 226, 212, .32);
  --shadow-orange: 6px 6px 0 0 rgba(255, 122, 26, .32);
}

/* ---------- 3. 基底与中文排版 ---------- */
body {
  min-height: 100vh;
  background: var(--c-void);
  color: var(--c-ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  padding-left: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

::selection {
  background: var(--c-orange);
  color: #07090C;
}

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

#main-content { scroll-margin-top: 92px; }

@media (min-width: 1024px) {
  #main-content { scroll-margin-top: 24px; }
}

/* ---------- 4. 排版组件 ---------- */
.display-xxl,
.display-xl,
.display-lg {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: .98;
  text-wrap: balance;
}

.display-xxl { font-size: clamp(42px, 9vw, 96px); }
.display-xl  { font-size: clamp(32px, 5.4vw, 64px); line-height: 1.04; }
.display-lg  { font-size: clamp(25px, 3.4vw, 40px); line-height: 1.12; }

.lede {
  max-width: 62ch;
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.75;
  color: var(--c-muted);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: currentColor;
  flex: 0 0 auto;
}

.section-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .2em;
  color: var(--c-quiet);
  margin-bottom: 10px;
}

.divider-rule {
  height: 2px;
  background: var(--c-line);
  border: 0;
  margin: 0;
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
}

.prose > * + * { margin-top: 1.1em; }

.prose h2,
.prose h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.22;
}

.prose h2 { font-size: clamp(24px, 2.6vw, 32px); }
.prose h3 { font-size: clamp(19px, 2vw, 23px); }

.prose a {
  color: var(--c-cyan);
  border-bottom: 1px solid currentColor;
}

.prose a:hover { color: var(--c-orange); }

.prose li {
  position: relative;
  padding-left: 21px;
}

.prose li + li { margin-top: .5em; }

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--c-orange);
}

.prose code {
  font-family: var(--font-mono);
  font-size: .9em;
  color: var(--c-magenta);
  background: var(--c-panel-2);
  border: 1px solid var(--c-line);
  border-radius: 2px;
  padding: 1px 6px;
}

/* ---------- 5. 容器与栅格 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

@media (min-width: 768px) {
  :root { --gutter: 28px; }
}

@media (min-width: 1024px) {
  :root { --gutter: 40px; }
}

.grid {
  display: grid;
  gap: var(--gutter);
}

.grid--2,
.grid--3,
.grid--4 { grid-template-columns: minmax(0, 1fr); }

@media (min-width: 700px) {
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--c-ink);
  background: var(--c-panel-2);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease),
              background-color .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, .8);
}

.btn:active { transform: translate(0, 0); box-shadow: none; }

.btn--accent {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #07090C;
}

.btn--accent:hover { box-shadow: 4px 4px 0 0 rgba(255, 122, 26, .38); }

.btn--cyan {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: #07090C;
}

.btn--cyan:hover { box-shadow: 4px 4px 0 0 rgba(37, 226, 212, .38); }

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

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

.btn--block { width: 100%; }

/* ---------- 7. 面板 / 标签 / 数据 ---------- */
.panel {
  padding: 22px;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.panel--cyan {
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-cyan);
  background: linear-gradient(180deg, rgba(37, 226, 212, .07), rgba(17, 22, 28, 1) 46%);
}

.panel--orange {
  border-color: var(--c-orange);
  box-shadow: var(--shadow-orange);
  background: linear-gradient(180deg, rgba(255, 122, 26, .07), rgba(17, 22, 28, 1) 46%);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.55;
  letter-spacing: .06em;
  border: 1px solid currentColor;
  border-radius: 2px;
  white-space: nowrap;
}

.tag--cyan    { color: var(--c-cyan);    background: rgba(37, 226, 212, .09); }
.tag--orange  { color: var(--c-orange);  background: rgba(255, 122, 26, .09); }
.tag--magenta { color: var(--c-magenta); background: rgba(255, 46, 126, .1); }
.tag--live    { color: var(--c-cyan); background: var(--c-teal-deep); border-color: var(--c-cyan); }
.tag--warn    { color: #FFB27A; background: var(--c-wine); border-color: #8A2A40; }

.stat {
  border-left: 2px solid var(--c-line);
  padding-left: 12px;
}

.stat__value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-magenta);
  line-height: 1.2;
}

.stat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-muted);
}

/* ---------- 8. 图片容器（页面阶段放图） ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--c-panel);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

.media-frame__tag {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: #07090C;
  background: var(--c-cyan);
  border-radius: 2px;
}

.media-frame--orange .media-frame__tag { background: var(--c-orange); }

/* ---------- 9. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.breadcrumb__link { color: var(--c-muted); transition: color .16s var(--ease); }
.breadcrumb__link:hover { color: var(--c-cyan); }
.breadcrumb__sep { color: var(--c-line); }
.breadcrumb [aria-current="page"] { color: var(--c-orange); }

/* ---------- 10. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 12px;
  top: -120px;
  z-index: 200;
  padding: 10px 18px;
  font-weight: 700;
  font-size: 15px;
  color: #07090C;
  background: var(--c-cyan);
  border: 2px solid #07090C;
  border-radius: var(--radius);
  transition: top .2s var(--ease);
}

.skip-link:focus { top: 12px; }

/* ---------- 11. 头部 / 侧边轨道导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--c-panel);
  border-bottom: 2px solid var(--c-line);
}

.header-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 13px var(--gutter);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -.04em;
  color: #07090C;
  background: var(--c-cyan);
  border: 2px solid #07090C;
  border-radius: 3px;
  box-shadow: 3px 3px 0 0 var(--c-orange);
}

.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -.02em;
  line-height: 1.25;
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  line-height: 1.4;
  color: var(--c-muted);
}

/* 汉堡按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-ink);
  background: var(--c-panel-2);
  border: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--c-cyan);
  transition: background-color .2s var(--ease);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--c-cyan);
  transition: transform .2s var(--ease), background-color .2s var(--ease);
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after  { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  transform: translateY(5px) rotate(45deg);
  background: var(--c-orange);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  transform: translateY(-5px) rotate(-45deg);
  background: var(--c-orange);
}

/* 导航本体（移动端折叠） */
.site-nav {
  position: relative;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  border-top: 2px solid transparent;
  transition: max-height .3s var(--ease), opacity .24s var(--ease),
              visibility .3s linear, border-color .24s var(--ease);
}

.site-nav__index {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-quiet);
  margin-bottom: 10px;
}

.site-nav__list {
  display: grid;
  gap: 6px;
}

.site-nav__item { min-width: 0; }

.site-nav__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 13px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -.01em;
  color: var(--c-muted);
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: color .18s var(--ease), background-color .18s var(--ease),
              border-color .18s var(--ease), transform .18s var(--ease);
}

.site-nav__link:hover {
  color: var(--c-ink);
  background: #161D25;
  border-color: var(--c-line);
}

.site-nav__link[aria-current="page"] {
  color: var(--c-ink);
  background: rgba(37, 226, 212, .09);
  border-color: var(--c-cyan);
}

.site-nav__link[aria-current="page"] .site-nav__num { color: var(--c-cyan); }

.site-nav__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--c-quiet);
  transition: color .18s var(--ease);
}

.site-nav__text { min-width: 0; }

.site-nav__indicator {
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 0;
  background: var(--c-orange);
  opacity: 0;
  pointer-events: none;
  transition: transform .28s var(--ease), height .28s var(--ease), opacity .2s var(--ease);
}

/* 行动区 */
.header-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.header-pin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
  border: 2px dashed var(--c-line);
  border-radius: var(--radius);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.header-pin::before {
  content: "★";
  color: var(--c-magenta);
  font-size: 12px;
  line-height: 1;
}

.header-pin:hover {
  color: var(--c-magenta);
  border-color: var(--c-magenta);
}

.header-foot { display: none; }

/* 移动端抽屉打开态 */
@media (max-width: 1023.98px) {
  .site-header[data-open] .site-nav {
    max-height: min(68vh, 520px);
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
    border-top-color: var(--c-line);
    padding-top: 12px;
  }
}

/* 桌面端：左侧固定轨道 */
@media (min-width: 1024px) {
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--rail-w);
    border-bottom: 0;
    border-right: 2px solid var(--c-line);
    background: linear-gradient(180deg, #131922 0%, #0A0E13 62%, #07090C 100%);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .site-header::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--c-cyan) 0%, var(--c-orange) 55%, var(--c-magenta) 100%);
    opacity: .85;
  }

  .site-header::-webkit-scrollbar { width: 6px; }
  .site-header::-webkit-scrollbar-track { background: transparent; }
  .site-header::-webkit-scrollbar-thumb { background: var(--c-line); border-radius: 3px; }

  .header-rail {
    min-height: 100%;
    gap: 0;
    padding: 26px 22px 22px;
  }

  .brand__mark { width: 48px; height: 48px; font-size: 17px; }
  .brand__name { font-size: 20px; }

  .nav-toggle { display: none; }

  .site-nav {
    max-height: none;
    overflow: visible;
    opacity: 1;
    visibility: visible;
    border-top: 0;
    margin-top: 30px;
  }

  .site-nav__index { display: block; }

  .site-nav__list { gap: 4px; }

  .site-nav__link { padding: 13px 14px; }

  .site-nav__indicator { display: block; }

  .header-actions { margin-top: auto; padding-top: 26px; }

  .header-foot {
    display: block;
    margin-top: 16px;
    padding-top: 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    line-height: 1.6;
    color: var(--c-quiet);
    border-top: 1px solid var(--c-line);
  }
}

/* ---------- 12. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 72px;
  background: var(--c-panel);
  border-top: 2px solid var(--c-line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-orange) 50%, var(--c-magenta) 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding: 54px 0 34px;
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 44px;
    padding: 62px 0 40px;
  }
}

.footer-brand__mark {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 5vw, 56px);
  letter-spacing: -.05em;
  line-height: 1;
  color: var(--c-ink);
  text-shadow: 4px 4px 0 rgba(255, 122, 26, .38);
}

.footer-brand__name {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-cyan);
}

.footer-brand__line {
  margin-top: 12px;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-muted);
}

.footer-brand__cta {
  margin-top: 20px;
  max-width: 220px;
}

.footer-col__title {
  padding-bottom: 10px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--c-muted);
  border-bottom: 2px solid var(--c-line);
}

.footer-col__list {
  display: grid;
  gap: 9px;
}

.footer-link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--c-ink);
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease), transform .16s var(--ease);
}

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

.footer-contact {
  padding-bottom: 34px;
}

.footer-contact__list {
  display: grid;
  gap: 10px;
}

.footer-contact__item {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 14.5px;
  color: var(--c-ink);
}

.footer-contact__key {
  flex: 0 0 auto;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-orange);
  line-height: 1.9;
}

.footer-note {
  margin-top: 16px;
  padding-left: 12px;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.72;
  color: var(--c-muted);
  border-left: 2px solid var(--c-wine);
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
  padding: 20px 0 34px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.footer-meta__line { margin: 0; }

.footer-meta__line--icp { color: var(--c-cyan); }

/* ---------- 13. 通用页面钩子 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

[data-duel-root] [data-duel-side] { cursor: pointer; }

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 90;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: #07090C;
  background: var(--c-orange);
  border: 2px solid #07090C;
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 0 rgba(0, 0, 0, .8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s;
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

@media (min-width: 1024px) {
  .to-top { right: 26px; bottom: 26px; }
}

/* ---------- 14. 降低动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .btn:hover { transform: none; }
}