/* =========================================================
   天博体育综合官方中文站
   /assets/site.css
   视觉系统：深绿档案库 × 金色索引号 × 画板式堆叠
   ========================================================= */

/* ---------- 1. Reset & Tokens ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --tbo-green: #003a2d;
  --tbo-green-deep: #00231b;
  --tbo-gold: #c9a227;
  --tbo-gold-soft: #d4af37;
  --tbo-red: #8b2e35;
  --tbo-ink: #1e1e1e;
  --tbo-gray: #666666;
  --tbo-paper: #f2f2e9;
  --tbo-white: #ffffff;
  --tbo-font-heading: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --tbo-font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --tbo-font-index: 'Noto Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --tbo-max: 1280px;
  --tbo-gutter: 1.5rem;
  --tbo-radius: 4px;
  --tbo-shadow: 0 10px 24px rgba(0, 35, 27, 0.1);
}

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

body {
  font-family: var(--tbo-font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--tbo-ink);
  background-color: var(--tbo-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

#main-content {
  flex: 1 0 auto;
  width: 100%;
}

h1,
h2 {
  font-family: var(--tbo-font-heading);
  font-weight: 100;
  line-height: 1.2;
  letter-spacing: 0.5px;
  color: var(--tbo-ink);
}

h1 {
  font-size: 2.8rem;
}

h2 {
  font-size: 2.3rem;
}

h3,
h4,
h5,
h6 {
  font-family: var(--tbo-font-heading);
  font-weight: 600;
  line-height: 1.35;
  color: var(--tbo-ink);
}

h3 {
  font-size: 1.35rem;
}

h4 {
  font-size: 1.1rem;
}

h5 {
  font-size: 0.95rem;
}

h6 {
  font-size: 0.85rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--tbo-green);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

ul,
ol {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font-family: inherit;
}

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

/* ---------- 2. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--tbo-green);
  color: var(--tbo-white);
  border-bottom: 2px solid var(--tbo-gold);
  box-shadow: 0 4px 16px rgba(0, 23, 18, 0.22);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0.5rem;
  z-index: 2100;
  background: var(--tbo-gold);
  color: var(--tbo-green-deep);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: 0 0 var(--tbo-radius) var(--tbo-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

.header-inner {
  max-width: var(--tbo-max);
  margin: 0 auto;
  padding: 0.7rem var(--tbo-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.brand-block {
  display: flex;
  align-items: center;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--tbo-white);
}

.brand-link:hover {
  color: var(--tbo-white);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  background: var(--tbo-gold);
  color: var(--tbo-green-deep);
  font-family: var(--tbo-font-index);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: var(--tbo-radius) var(--tbo-radius) var(--tbo-radius) 0;
  box-shadow: 3px 3px 0 rgba(0, 23, 18, 0.3);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--tbo-white);
}

.brand-tag {
  font-family: var(--tbo-font-index);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tbo-gold);
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.search-hint {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.8rem;
  border: 1px solid rgba(201, 162, 39, 0.35);
  border-radius: 999px;
  background: rgba(0, 35, 27, 0.45);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.search-hint-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tbo-gold-soft);
  flex: 0 0 auto;
}

.search-hint-text {
  display: inline-block;
  line-height: 1;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  width: 42px;
  height: 38px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--tbo-radius);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--tbo-gold);
  background: rgba(201, 162, 39, 0.1);
}

.toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--tbo-gold);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- 3. 命令栏导航 ---------- */
.site-nav {
  background: var(--tbo-green-deep);
  border-top: 1px solid rgba(201, 162, 39, 0.18);
}

.nav-list {
  max-width: var(--tbo-max);
  margin: 0 auto;
  padding: 0 var(--tbo-gutter);
  display: flex;
  align-items: stretch;
  gap: 0.1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.nav-item {
  flex: 0 0 auto;
}

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.8);
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.nav-link:hover {
  color: var(--tbo-white);
  border-bottom-color: var(--tbo-gold);
  background: rgba(201, 162, 39, 0.06);
}

.nav-index {
  font-family: var(--tbo-font-index);
  font-size: 0.62rem;
  letter-spacing: 0.5px;
  color: var(--tbo-gold-soft);
}

.nav-label {
  letter-spacing: 0.6px;
  white-space: nowrap;
}

.nav-link[aria-current="page"] {
  color: var(--tbo-gold);
  font-weight: 700;
  border-bottom-color: var(--tbo-gold);
  background: rgba(201, 162, 39, 0.08);
}

/* ---------- 4. Footer ---------- */
.site-footer {
  position: relative;
  background: var(--tbo-green-deep);
  color: rgba(255, 255, 255, 0.72);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--tbo-gold) 0%, var(--tbo-gold-soft) 45%, transparent 100%);
}

.footer-main {
  max-width: var(--tbo-max);
  margin: 0 auto;
  padding: 2.8rem var(--tbo-gutter) 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr;
  gap: 2rem 2.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  grid-column: 1;
  grid-row: 1;
}

.footer-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  background: var(--tbo-gold);
  color: var(--tbo-green-deep);
  font-family: var(--tbo-font-index);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 1px;
  border-radius: var(--tbo-radius) var(--tbo-radius) var(--tbo-radius) 0;
}

.footer-brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.footer-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--tbo-white);
  letter-spacing: 0.5px;
}

.footer-tagline {
  font-family: var(--tbo-font-index);
  font-size: 0.62rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tbo-gold);
  margin-top: 2px;
}

.footer-desc {
  grid-column: 1;
  grid-row: 2;
}

.trust-line {
  max-width: 42ch;
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.62);
  margin-top: 1.25rem;
  margin-bottom: 0;
}

.footer-col,
.footer-col-nav,
.footer-col-contact {
  min-width: 0;
}

.footer-col-nav {
  grid-column: 2;
  grid-row: 1 / span 2;
}

.footer-col-contact {
  grid-column: 3;
  grid-row: 1 / span 2;
}

.footer-heading {
  font-family: var(--tbo-font-index);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--tbo-gold);
  margin-bottom: 1rem;
  padding-bottom: 0.45rem;
  position: relative;
}

.footer-heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 26px;
  height: 2px;
  background: var(--tbo-gold);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.footer-nav-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.85rem;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-nav-list a::before {
  content: '/';
  font-family: var(--tbo-font-index);
  font-size: 0.75rem;
  color: var(--tbo-gold);
}

.footer-nav-list a:hover {
  color: var(--tbo-gold);
  transform: translateX(4px);
}

.contact-line {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 0.4rem;
  color: rgba(255, 255, 255, 0.75);
  word-break: break-word;
}

.contact-note {
  max-width: 30ch;
  font-size: 0.72rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid rgba(201, 162, 39, 0.2);
}

.footer-legal {
  max-width: var(--tbo-max);
  margin: 0 auto;
  padding: 1rem var(--tbo-gutter) 1.2rem;
  border-top: 1px solid rgba(201, 162, 39, 0.16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.2rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.legal-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.legal-icp {
  font-family: var(--tbo-font-index);
  letter-spacing: 1px;
}

.legal-links {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.legal-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.75rem;
  transition: color 0.2s ease;
}

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

/* ---------- 5. 布局容器 ---------- */
.container {
  max-width: var(--tbo-max);
  margin: 0 auto;
  padding: 0 var(--tbo-gutter);
}

.section {
  position: relative;
  padding: 4.5rem 0;
}

.section-alt {
  background-color: var(--tbo-paper);
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 10px,
    rgba(201, 162, 39, 0.04) 10px,
    rgba(201, 162, 39, 0.04) 11px
  );
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  margin-bottom: 2.2rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid rgba(0, 58, 45, 0.14);
}

.section-index {
  display: block;
  font-family: var(--tbo-font-index);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--tbo-gold);
  margin-bottom: 0.3rem;
}

.section-title {
  font-family: var(--tbo-font-heading);
  font-size: 2.5rem;
  font-weight: 100;
  line-height: 1.2;
  letter-spacing: 0.5px;
  color: var(--tbo-ink);
}

.section-sub {
  max-width: 46ch;
  font-size: 0.85rem;
  color: var(--tbo-gray);
  text-align: right;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--tbo-font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  line-height: 1.4;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--tbo-green);
  border-color: var(--tbo-green);
  color: var(--tbo-white);
}

.btn-primary:hover {
  background: var(--tbo-green-deep);
  border-color: var(--tbo-gold);
  color: var(--tbo-gold);
}

.btn-outline {
  background: transparent;
  border-color: rgba(0, 58, 45, 0.4);
  color: var(--tbo-green);
}

.btn-outline:hover {
  background: var(--tbo-green);
  border-color: var(--tbo-green);
  color: var(--tbo-white);
}

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.7rem;
  padding: 0.9rem 0;
  font-size: 0.8rem;
  color: var(--tbo-gray);
}

.breadcrumbs li + li::before {
  content: '/';
  font-family: var(--tbo-font-index);
  color: var(--tbo-gold);
  margin-right: 0.7rem;
}

.breadcrumbs a {
  color: var(--tbo-green);
}

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

/* ---------- 8. 栅格 ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
}

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

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

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

/* ---------- 9. 资料卡 ---------- */
.card {
  position: relative;
  background: var(--tbo-white);
  border: 1px solid rgba(0, 58, 45, 0.12);
  border-radius: var(--tbo-radius) var(--tbo-radius) var(--tbo-radius) 0;
  padding: 1.4rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(201, 162, 39, 0.55);
  box-shadow: var(--tbo-shadow);
  transform: translateY(-2px);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--tbo-ink);
  margin-bottom: 0.5rem;
}

.card-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--tbo-gray);
  margin-bottom: 0;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--tbo-font-index);
  font-size: 0.65rem;
  letter-spacing: 1px;
  color: var(--tbo-gold);
  margin-bottom: 0.7rem;
}

/* ---------- 10. 标签 ---------- */
.tag {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border: 1px solid rgba(201, 162, 39, 0.45);
  border-radius: 2px 2px 2px 0;
  background: rgba(201, 162, 39, 0.08);
  font-family: var(--tbo-font-index);
  font-size: 0.65rem;
  letter-spacing: 1px;
  color: var(--tbo-green);
}

.tag-hl {
  background: var(--tbo-gold);
  border-color: var(--tbo-gold);
  color: var(--tbo-green-deep);
  font-weight: 700;
}

.tag-alert {
  background: rgba(139, 46, 53, 0.08);
  border-color: rgba(139, 46, 53, 0.4);
  color: var(--tbo-red);
}

/* ---------- 11. 堆叠面板 ---------- */
.panel {
  position: relative;
  background: var(--tbo-white);
  border: 1px solid rgba(0, 58, 45, 0.12);
  border-top: 3px solid var(--tbo-green);
  border-radius: var(--tbo-radius) var(--tbo-radius) var(--tbo-radius) 0;
  padding: 2rem;
  margin-bottom: 1.8rem;
}

.panel-index {
  position: absolute;
  top: -0.65rem;
  right: 1.5rem;
  background: var(--tbo-gold);
  color: var(--tbo-green-deep);
  font-family: var(--tbo-font-index);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 0.15rem 0.6rem;
  border-radius: 2px 2px 2px 0;
}

/* ---------- 12. 时间线 ---------- */
.timeline {
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--tbo-gold), rgba(201, 162, 39, 0.12));
}

.timeline-item {
  position: relative;
  padding: 0 0 1.9rem 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--tbo-white);
  border: 2px solid var(--tbo-gold);
  transition: background-color 0.2s ease, box-shadow 0.2s ease;
}

.timeline-item:hover::before {
  background: var(--tbo-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.18);
}

.timeline-date {
  display: block;
  font-family: var(--tbo-font-index);
  font-size: 0.68rem;
  letter-spacing: 1px;
  color: var(--tbo-gold);
}

.timeline-title {
  margin: 0.2rem 0 0.35rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--tbo-ink);
  line-height: 1.4;
}

.timeline-text {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--tbo-gray);
  margin-bottom: 0;
}

/* ---------- 13. 图片占位容器 ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  background: var(--tbo-paper);
  border: 1px solid rgba(0, 58, 45, 0.12);
  border-radius: var(--tbo-radius) var(--tbo-radius) var(--tbo-radius) 0;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.img-frame:hover img {
  transform: scale(1.02);
}

.img-frame-16x9 {
  aspect-ratio: 16 / 9;
}

.img-frame-4x3 {
  aspect-ratio: 4 / 3;
}

.img-frame-1x1 {
  aspect-ratio: 1 / 1;
}

/* ---------- 14. 滚动显现 ---------- */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.8rem;
  }

  .footer-brand {
    grid-column: 1;
    grid-row: 1;
  }

  .footer-desc {
    grid-column: 1;
    grid-row: 2;
  }

  .footer-col-nav {
    grid-column: 2;
    grid-row: 1;
  }

  .footer-col-contact {
    grid-column: 2;
    grid-row: 2;
  }

  .trust-line {
    max-width: none;
  }

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

@media (max-width: 860px) {
  .header-inner {
    min-height: 58px;
    padding: 0.6rem var(--tbo-gutter);
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .search-hint {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--tbo-green-deep);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25);
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding: 0.4rem 1rem 1rem;
    overflow-x: visible;
    max-height: none;
  }

  .nav-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }

  .nav-link {
    display: flex;
    align-items: center;
    padding: 0.85rem 0.6rem;
    border-bottom: none;
    border-left: 2px solid transparent;
    border-radius: 0 2px 2px 0;
  }

  .nav-link:hover,
  .nav-link[aria-current="page"] {
    border-bottom: none;
    border-left-color: var(--tbo-gold);
    background: rgba(201, 162, 39, 0.08);
  }

  .nav-index {
    min-width: 26px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 1.8rem;
    padding: 2.2rem var(--tbo-gutter) 1.8rem;
  }

  .footer-brand,
  .footer-desc,
  .footer-col-nav,
  .footer-col-contact {
    grid-column: auto;
    grid-row: auto;
  }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem 1rem;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 3.2rem 0;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-sub {
    text-align: left;
  }

  h1 {
    font-size: 2.2rem;
  }

  h2 {
    font-size: 1.9rem;
  }
}

/* ---------- 16. 减弱动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

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