/* ===========================================================
   今年会体育 · 中文专区 V3.1
   共享样式 /assets/site.css
   墨绿数据场 · 奶油纸面 · 荧光青绿高亮
   =========================================================== */

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: clamp(6px, 1.1vw, 16px);
  background: var(--green-void);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; }
li { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 变量 ---------- */
:root {
  /* 色板 */
  --green-void: #0B1F1A;
  --green-deep: #12352C;
  --green-mid: #1D7F63;
  --paper: #F4EBDD;
  --paper-warm: #E8D9C3;
  --mint: #57F2B0;
  --mint-mist: #A8FFD8;
  --orange: #FF8A3D;
  --state-yellow: #F5C542;
  --state-red: #C8452F;
  --ink: #241A14;

  /* 描边 */
  --line-light: rgba(244, 235, 221, 0.16);
  --line-light-strong: rgba(244, 235, 221, 0.36);
  --line-ink: rgba(36, 26, 20, 0.14);
  --line-ink-strong: rgba(36, 26, 20, 0.30);

  /* 字体 */
  --font-display: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Mono", Menlo, Consolas, "Noto Sans Mono", monospace;

  /* 尺度 */
  --shell: 1440px;
  --radius-lg: 32px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --pill: 999px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(40px, 6.2vw, 92px); letter-spacing: -0.035em; }
h2 { font-size: clamp(26px, 3.4vw, 42px); }
h3 { font-size: clamp(20px, 2vw, 24px); letter-spacing: -0.01em; }
h4 { font-size: 17px; letter-spacing: 0; }

p, li { font-size: 16px; line-height: 1.78; }

strong { font-weight: 700; }
small { font-size: 12.5px; }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.serif {
  font-family: var(--font-serif);
  letter-spacing: 0.01em;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
}

/* ---------- 无障碍 ---------- */
:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 999;
  transform: translate(-50%, -160%);
  padding: 12px 24px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--mint);
  color: var(--green-void);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.18s var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
  outline-offset: -4px;
}

/* ---------- 容器与网格 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
}

.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 56px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .col-3, .col-4 { grid-column: span 3; }
  .col-6, .col-8 { grid-column: span 6; }
}

@media (max-width: 620px) {
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .col-3, .col-4, .col-6, .col-8 { grid-column: span 2; }
}

/* ---------- 主体纸面 ---------- */
#main-content {
  display: block;
  background: var(--paper);
  color: var(--ink);
  border-radius: clamp(18px, 2.2vw, var(--radius-lg));
  margin-block: clamp(4px, 1vw, 12px);
  padding-block: clamp(36px, 5vw, 76px);
  scroll-margin-top: 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--paper);
  --btn-line: var(--line-light-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 10px 20px;
  border: 1px solid var(--btn-line);
  border-radius: var(--pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition:
    transform 0.16s var(--ease),
    background-color 0.16s var(--ease),
    border-color 0.16s var(--ease),
    color 0.16s var(--ease),
    box-shadow 0.16s var(--ease);
}

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

.btn--mint {
  --btn-bg: var(--mint);
  --btn-fg: var(--green-void);
  --btn-line: var(--mint);
  font-weight: 700;
}

.btn--mint:hover {
  --btn-bg: var(--mint-mist);
  --btn-line: var(--mint-mist);
  box-shadow: 0 0 0 4px rgba(87, 242, 176, 0.16);
}

.btn--ghost { --btn-fg: var(--paper); --btn-line: var(--line-light-strong); }

.btn--ghost:hover {
  --btn-fg: var(--mint);
  --btn-line: rgba(87, 242, 176, 0.6);
  background: rgba(87, 242, 176, 0.08);
}

.btn--ink {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  --btn-line: var(--ink);
}

.btn--ink:hover { --btn-bg: var(--green-deep); --btn-line: var(--green-deep); }

.btn--paper {
  --btn-fg: var(--ink);
  --btn-line: var(--line-ink-strong);
  --btn-bg: transparent;
}

.btn--paper:hover {
  --btn-bg: rgba(36, 26, 20, 0.06);
  --btn-line: var(--ink);
}

/* ===========================================================
   头部 —— 画册装订线
   =========================================================== */
.site-header {
  position: relative;
  z-index: 80;
  background: var(--green-void);
  color: var(--paper);
}

.site-header::after {
  content: "";
  display: block;
  height: 10px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(244, 235, 221, 0.20) 0 1px,
    transparent 1px 12px
  );
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.site-header__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(14px, 2.4vw, 36px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 48px);
  padding-block: clamp(14px, 1.8vw, 22px);
}

/* --- 品牌 --- */
.brand-group {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 18px);
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  min-width: 0;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, var(--mint) 0%, var(--green-mid) 58%, var(--green-deep) 100%);
  box-shadow: inset 0 0 0 1px rgba(244, 235, 221, 0.28);
}

.brand__mark::before {
  content: "";
  width: 15px;
  height: 15px;
  border: 2px solid var(--green-void);
  border-right-color: transparent;
  border-bottom-color: transparent;
  border-radius: 4px 0 0 0;
  transform: rotate(45deg);
}

.brand__text { display: block; min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--paper);
  white-space: nowrap;
}

.brand__line {
  display: block;
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.22em;
  line-height: 1.4;
  color: rgba(244, 235, 221, 0.58);
  white-space: nowrap;
}

/* --- 版本胶囊 --- */
.version-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px 5px 9px;
  border: 1px solid rgba(87, 242, 176, 0.4);
  border-radius: var(--pill);
  background: rgba(87, 242, 176, 0.07);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.version-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(87, 242, 176, 0.18);
}

/* --- 导航 --- */
.site-nav {
  justify-self: center;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__item { position: relative; }

.site-nav__link {
  display: block;
  padding: 9px 15px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  color: rgba(244, 235, 221, 0.82);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition:
    color 0.16s var(--ease),
    background-color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.site-nav__link:hover {
  color: var(--mint);
  background: rgba(87, 242, 176, 0.08);
  border-color: rgba(87, 242, 176, 0.4);
}

.site-nav__link[aria-current="page"] {
  color: var(--green-void);
  background: var(--mint);
  border-color: var(--mint);
  font-weight: 700;
}

.site-nav__link[aria-current="page"]:hover {
  color: var(--green-void);
  background: var(--mint-mist);
  border-color: var(--mint-mist);
}

.site-nav__note {
  position: absolute;
  top: calc(100% + 9px);
  left: 50%;
  z-index: 6;
  padding: 4px 10px;
  border: 1px solid rgba(87, 242, 176, 0.3);
  border-radius: var(--pill);
  background: var(--green-deep);
  color: var(--mint-mist);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -5px);
  transition: opacity 0.16s var(--ease), transform 0.16s var(--ease);
}

.site-nav__item:hover .site-nav__note,
.site-nav__item:focus-within .site-nav__note {
  opacity: 1;
  transform: translate(-50%, 0);
}

.site-nav__cta { display: none; }

/* --- 右侧按钮 --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* --- 移动导航按钮 --- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 9px 15px 9px 13px;
  border: 1px solid var(--line-light-strong);
  border-radius: var(--pill);
  background: transparent;
  color: var(--paper);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.nav-toggle:hover { border-color: rgba(87, 242, 176, 0.6); color: var(--mint); }

.nav-toggle[aria-expanded="true"] {
  color: var(--mint);
  border-color: rgba(87, 242, 176, 0.62);
  background: rgba(87, 242, 176, 0.08);
}

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

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

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

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

.nav-toggle__label { line-height: 1; }

/* ===========================================================
   页脚 —— 画册封底索引
   =========================================================== */
.site-footer {
  position: relative;
  background: var(--green-void);
  color: rgba(244, 235, 221, 0.86);
  padding-bottom: clamp(18px, 2.4vw, 30px);
  margin-top: clamp(14px, 2.4vw, 28px);
}

.site-footer__ticks {
  height: 11px;
  margin-bottom: clamp(26px, 4vw, 46px);
  background-image: repeating-linear-gradient(
    90deg,
    rgba(244, 235, 221, 0.16) 0 1px,
    transparent 1px 12px
  );
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 5%, #000 95%, transparent);
}

.site-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 76px);
  padding-bottom: clamp(26px, 3.6vw, 44px);
  border-bottom: 1px solid var(--line-light);
}

.site-footer__brand { max-width: 48ch; }

.site-footer__intro {
  margin-top: 18px;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 235, 221, 0.70);
}

.site-footer__meta {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 235, 221, 0.74);
}

.site-footer__meta li {
  display: grid;
  grid-template-columns: 3.8em minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 13.5px;
}

.meta-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mint);
  padding-top: 2px;
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 4vw, 44px);
  align-content: start;
}

.footer-col__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(244, 235, 221, 0.52);
}

.footer-col ul {
  display: grid;
  gap: 2px;
}

.footer-col a {
  display: inline-block;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  color: rgba(244, 235, 221, 0.76);
  font-size: 14.5px;
  text-decoration: none;
  transition: color 0.14s var(--ease), border-color 0.14s var(--ease);
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--mint);
  border-bottom-color: rgba(87, 242, 176, 0.55);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-block: clamp(16px, 2.2vw, 22px);
  border-bottom: 1px solid var(--line-light);
}

.site-footer__legal a {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(244, 235, 221, 0.62);
  text-decoration: none;
  transition: color 0.14s var(--ease);
}

.site-footer__legal a:hover { color: var(--mint); }

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px 24px;
  padding-top: clamp(14px, 2vw, 20px);
  font-size: 12.5px;
  color: rgba(244, 235, 221, 0.52);
}

.site-footer__base .mono { font-size: 12px; letter-spacing: 0.08em; }

/* ===========================================================
   通用组件
   =========================================================== */

/* --- 面包屑 --- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(36, 26, 20, 0.55);
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.crumbs a {
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid rgba(36, 26, 20, 0.22);
  transition: color 0.14s var(--ease), border-color 0.14s var(--ease);
}

.crumbs a:hover { color: var(--green-mid); border-bottom-color: var(--green-mid); }

.crumbs__sep { opacity: 0.4; }

/* --- 图片容器（页面阶段放入 img） --- */
.figure { margin: 0; }

.figure__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background:
    linear-gradient(150deg, var(--green-deep) 0%, var(--green-void) 100%);
  border: 1px solid var(--line-light);
}

.figure__media > img,
.figure__media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.figure__media--wide { aspect-ratio: 21 / 9; }
.figure__media--std { aspect-ratio: 16 / 9; }
.figure__media--tall { aspect-ratio: 4 / 5; }

.figure__caption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(36, 26, 20, 0.60);
}

/* --- 标签 --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line-ink-strong);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  color: var(--ink);
}

.tag--mint {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--green-void);
  font-weight: 700;
}

.tag--orange {
  background: rgba(255, 138, 61, 0.14);
  border-color: rgba(255, 138, 61, 0.5);
  color: #8A3C0D;
}

/* --- 红黄牌状态色（仅语义） --- */
.state--yellow {
  display: inline-flex;
  align-items: center;
  min-width: 26px;
  height: 18px;
  padding: 0 8px;
  border-radius: 4px;
  background: var(--state-yellow);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
}

.state--red {
  display: inline-flex;
  align-items: center;
  min-width: 26px;
  height: 18px;
  padding: 0 8px;
  border-radius: 4px;
  background: var(--state-red);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
}

/* --- 阅读进度（JS 注入） --- */
.read-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 200;
  pointer-events: none;
}

.read-progress__bar {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green-mid), var(--mint) 60%, var(--mint-mist));
  box-shadow: 0 0 12px rgba(87, 242, 176, 0.45);
}

/* --- 章节高亮与渐显协议 --- */
[data-section] { scroll-margin-top: 96px; }

.is-current {
  color: var(--green-void) !important;
  background: var(--mint);
  border-color: var(--mint) !important;
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition:
    opacity 0.3s var(--ease),
    transform 0.3s var(--ease);
}

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width: 1200px) {
  .version-badge { display: none; }
}

@media (max-width: 1080px) {
  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    justify-self: stretch;
    padding: 12px clamp(16px, 4vw, 32px) 24px;
    background: linear-gradient(180deg, #153B31 0%, var(--green-void) 94%);
    border-top: 1px solid var(--line-light);
    border-bottom: 1px solid var(--line-light);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: 0 26px 52px rgba(0, 0, 0, 0.48);
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav__link {
    padding: 13px 16px;
    border-radius: var(--radius-sm);
    font-size: 16px;
  }

  .site-nav__note { display: none; }

  .site-nav__cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed rgba(244, 235, 221, 0.22);
  }

  .header-actions { display: none; }
  .nav-toggle { display: inline-flex; justify-self: end; }
}

@media (max-width: 860px) {
  .site-footer__top {
    grid-template-columns: 1fr;
    gap: clamp(26px, 5vw, 36px);
  }

  .site-footer__brand { max-width: none; }
}

@media (max-width: 620px) {
  body { padding: 6px; }

  .brand__mark { width: 36px; height: 36px; border-radius: 11px; }
  .brand__name { font-size: 16.5px; }
  .brand__line { font-size: 10px; letter-spacing: 0.18em; }

  .btn { padding: 10px 16px; font-size: 13.5px; }

  .site-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  .site-footer__meta li { grid-template-columns: 3.4em minmax(0, 1fr); }
  .site-footer__base { flex-direction: column; align-items: flex-start; }

  h1 { font-size: clamp(34px, 9vw, 48px); }
}

/* ===========================================================
   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;
  }

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

  .btn:hover,
  .skip-link { transform: none; }

  .btn:hover { box-shadow: none; }
}