/* ===== 大江体育 · Site Kit 共享样式 ===== */

:root {
  --c-primary: #0A1F44;
  --c-primary-dark: #071633;
  --c-primary-light: #1E3A6E;
  --c-accent: #FF6B35;
  --c-accent-soft: #FFB399;
  --c-bg: #F5F5F5;
  --c-border: #E0E0E0;
  --c-text: #2B2B2B;
  --c-white: #FFFFFF;
  --c-moss: #5B7D3B;

  --font-display: Impact, 'Arial Black', 'PingFang SC', sans-serif;
  --font-body: Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Roboto Mono', 'Courier New', monospace;

  --header-h: 112px;
  --rail-w: 236px;
  --rail-w-collapsed: 76px;
  --radius: 4px;
  --shadow-sm: 0 1px 3px rgba(7, 22, 51, 0.12);
  --shadow-md: 0 4px 16px rgba(7, 22, 51, 0.16);
  --transition: 240ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-text);
  background-color: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.2;
}

p {
  margin: 0;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--c-accent);
  color: var(--c-primary-dark);
}

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

/* ===== 辅助 ===== */

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 300;
  padding: 12px 18px;
  background: var(--c-accent);
  color: var(--c-primary-dark);
  font-weight: 600;
  font-size: 14px;
  border-radius: var(--radius);
  transition: top 240ms ease;
}

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

/* ===== 滚动进度条 ===== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 250;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent-soft) 100%);
  transform-origin: 0 50%;
  transform: scaleX(0);
  pointer-events: none;
}

/* ===== 页面正文容器 ===== */

.page-wrap {
  min-height: 70vh;
  padding: calc(var(--header-h) + 36px) 48px 88px calc(var(--rail-w) + 56px);
  transition: padding 260ms ease;
}

body[data-sidebar-collapsed="true"] .page-wrap {
  padding-left: calc(var(--rail-w-collapsed) + 56px);
}

@media (max-width: 1100px) {
  .page-wrap,
  body[data-sidebar-collapsed="true"] .page-wrap {
    padding-left: 32px;
  }
}

@media (max-width: 768px) {
  .page-wrap,
  body[data-sidebar-collapsed="true"] .page-wrap {
    padding: calc(var(--header-h) + 20px) 16px 64px;
  }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
}

.section {
  padding: 72px 0;
}

.section--tight {
  padding: 44px 0;
}

.section--muted {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

/* ===== 顶部刊头 ===== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  transition: box-shadow 240ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(7, 22, 51, 0.28);
}

.masthead {
  background:
    repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 255, 255, 0.025) 10px, rgba(255, 255, 255, 0.025) 20px),
    var(--c-primary);
  border-bottom: 2px solid var(--c-accent);
}

.masthead__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
}

.masthead__brand {
  grid-column: 2;
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1;
  color: var(--c-white);
}

.masthead__mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--c-accent);
  color: var(--c-primary-dark);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0;
  transform: rotate(-6deg);
}

.masthead__aside {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 14px;
}

.round-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border: 1px solid rgba(255, 107, 53, 0.6);
  border-radius: 99px;
  background: rgba(255, 107, 53, 0.12);
  color: var(--c-accent-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  white-space: nowrap;
}

.round-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: round-pulse 2.4s ease-out infinite;
}

@keyframes round-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.5);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(255, 107, 53, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 107, 53, 0);
  }
}

/* ===== 移动导航按钮 ===== */

.mobile-nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  cursor: pointer;
}

.mobile-nav-toggle__bar {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-white);
  transition: transform 240ms ease, opacity 240ms ease;
}

.mobile-nav-toggle[aria-expanded="true"] .mobile-nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-nav-toggle[aria-expanded="true"] .mobile-nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== 跑道导航 ===== */

.nav-track {
  position: relative;
  background: var(--c-primary-dark);
}

.nav-track::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.28) 0 18px, transparent 18px 32px);
  pointer-events: none;
}

.nav-track__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

.nav-track__list {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-track__item {
  position: relative;
}

.nav-track__item + .nav-track__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.18);
}

.nav-track__link {
  display: inline-block;
  padding: 14px 26px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  line-height: 20px;
  color: rgba(255, 255, 255, 0.72);
  transition: color 200ms ease, box-shadow 200ms ease;
}

.nav-track__link:hover,
.nav-track__link:focus-visible {
  color: var(--c-white);
}

.nav-track__link[aria-current="page"] {
  color: var(--c-accent);
  box-shadow: inset 0 -3px 0 var(--c-accent);
}

/* ===== 左侧品牌轨道 ===== */

.sidebar-rail {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 90;
  background:
    radial-gradient(circle at 20% 92%, rgba(255, 107, 53, 0.12), transparent 42%),
    var(--c-primary);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-sm);
  transition: width 260ms ease;
}

.sidebar-rail::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image:
    linear-gradient(30deg, transparent 46%, rgba(255, 255, 255, 0.06) 46% 54%, transparent 54%),
    linear-gradient(-30deg, transparent 46%, rgba(255, 255, 255, 0.05) 46% 54%, transparent 54%);
  background-size: 56px 56px;
  pointer-events: none;
}

.sidebar-rail__inner {
  position: relative;
  z-index: 1;
  height: 100%;
  padding: 20px 14px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  overflow-y: auto;
}

.sidebar-rail__toggle {
  flex-shrink: 0;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 32px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 200ms ease, background 200ms ease;
}

.sidebar-rail__toggle:hover {
  border-color: var(--c-accent);
  background: rgba(255, 107, 53, 0.1);
}

.sidebar-rail__toggle-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-accent);
}

.sidebar-rail__toggle-line::before {
  content: '«';
}

.sidebar-rail[data-collapsed="true"] .sidebar-rail__toggle-line::before {
  content: '»';
}

.sidebar-rail__nav {
  flex: 1 1 auto;
}

.sidebar-rail__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-rail__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 14px;
  border-radius: var(--radius);
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  letter-spacing: 1px;
  transition: color 200ms ease, background 200ms ease, box-shadow 200ms ease;
}

.sidebar-rail__link:hover,
.sidebar-rail__link:focus-visible {
  color: var(--c-white);
  background: rgba(255, 255, 255, 0.06);
}

.sidebar-rail__link[aria-current="page"] {
  color: var(--c-white);
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.16), rgba(255, 107, 53, 0.02) 80%);
  box-shadow: inset 3px 0 0 var(--c-accent);
}

.sidebar-rail__index {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  color: var(--c-accent);
  min-width: 22px;
}

.sidebar-rail__label {
  white-space: nowrap;
}

.sidebar-rail__mark {
  margin-top: auto;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 4px;
  color: rgba(255, 255, 255, 0.28);
  text-transform: uppercase;
  white-space: nowrap;
  padding: 8px 2px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.sidebar-rail[data-collapsed="true"] {
  width: var(--rail-w-collapsed);
}

.sidebar-rail[data-collapsed="true"] .sidebar-rail__inner {
  padding-left: 8px;
  padding-right: 8px;
}

.sidebar-rail[data-collapsed="true"] .sidebar-rail__link {
  justify-content: center;
  gap: 0;
}

.sidebar-rail[data-collapsed="true"] .sidebar-rail__label,
.sidebar-rail[data-collapsed="true"] .sidebar-rail__mark {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.sidebar-rail[data-collapsed="true"] .sidebar-rail__index {
  font-size: 14px;
}

@media (max-width: 1100px) {
  .sidebar-rail {
    display: none;
  }
}

/* ===== 页脚 ===== */

.site-footer {
  background:
    linear-gradient(180deg, rgba(255, 107, 53, 0.06), transparent 240px),
    var(--c-primary-dark);
  color: rgba(255, 255, 255, 0.78);
  border-top: 3px solid var(--c-accent);
}

.site-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 32px 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2.2fr 1.2fr 1.4fr 2fr;
  gap: 48px;
}

.footer-brand__name {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--c-white);
}

.footer-brand__mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  background: var(--c-accent);
  color: var(--c-primary-dark);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 13px;
  transform: rotate(-6deg);
}

.footer-brand__desc {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
}

.footer-nav__title,
.footer-contact__title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--c-accent-soft);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.footer-nav__list,
.footer-contact__list {
  list-style: none;
}

.footer-nav__link {
  display: inline-block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 200ms ease, padding-left 200ms ease;
}

.footer-nav__link:hover,
.footer-nav__link:focus-visible {
  color: var(--c-accent);
  padding-left: 4px;
}

.footer-nav__link[aria-current="page"] {
  color: var(--c-accent);
}

.footer-contact__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 7px 0;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--c-accent-soft);
}

.footer-contact__value {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 48px;
  padding-top: 22px;
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom__extra {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-icp {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 200ms ease;
}

.footer-icp:hover,
.footer-icp:focus-visible {
  color: var(--c-accent);
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border: 1px solid rgba(255, 107, 53, 0.5);
  border-radius: 99px;
  background: transparent;
  color: var(--c-accent);
  font-size: 13px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 240ms ease, transform 240ms ease, background 240ms ease, color 240ms ease;
}

.to-top.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--c-accent);
  color: var(--c-primary-dark);
}

@media (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 56px;
  }

  .site-footer__inner {
    padding: 40px 20px 20px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .masthead__inner {
    height: 56px;
    padding: 0 16px;
  }

  .masthead__title {
    font-size: 22px;
  }

  .masthead__mark {
    width: 28px;
    height: 28px;
    font-size: 12px;
  }

  .round-badge {
    font-size: 11px;
    padding: 3px 10px;
  }

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

/* ===== 移动端导航面板 ===== */

@media (max-width: 768px) {
  .nav-track {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 300ms ease, visibility 0s 300ms;
    box-shadow: 0 12px 28px rgba(7, 22, 51, 0.35);
  }

  .nav-track[data-open] {
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    visibility: visible;
    transition: max-height 300ms ease, visibility 0s;
  }

  .nav-track::after {
    display: none;
  }

  .nav-track__inner {
    padding: 0;
  }

  .nav-track__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .nav-track__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-track__item + .nav-track__item::before {
    display: none;
  }

  .nav-track__link {
    display: block;
    padding: 16px 24px;
    font-size: 16px;
  }

  .nav-track__link[aria-current="page"] {
    color: var(--c-accent);
    background: rgba(255, 107, 53, 0.08);
    box-shadow: none;
  }
}

/* ===== 按钮 ===== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  line-height: 1;
  cursor: pointer;
  transition: background 240ms ease, color 240ms ease, box-shadow 240ms ease, border-color 240ms ease, transform 240ms ease;
}

.btn--primary {
  background: var(--c-accent);
  color: var(--c-primary-dark);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: #e8571f;
  color: var(--c-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn--ghost {
  background: var(--c-white);
  border-color: var(--c-border);
  color: var(--c-primary);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--c-primary);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 16px 34px;
  font-size: 16px;
}

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

/* ===== 面包屑 ===== */

.breadcrumbs {
  margin-bottom: 24px;
}

.breadcrumbs__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #667085;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: '/';
  font-family: var(--font-mono);
  color: var(--c-border);
}

.breadcrumbs__link {
  color: var(--c-primary);
}

.breadcrumbs__link:hover,
.breadcrumbs__link:focus-visible {
  color: var(--c-accent);
}

.breadcrumbs__item[aria-current="page"] {
  color: var(--c-accent);
}

/* ===== 标题组 ===== */

.section-heading {
  margin-bottom: 40px;
}

.section-heading__code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--c-accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-heading__title {
  font-size: clamp(42px, 7vw, 84px);
  line-height: 0.95;
  letter-spacing: 2px;
  margin: 0;
}

.section-heading__note {
  max-width: 560px;
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.7;
  color: #667085;
}

.section-heading--aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
}

.section-heading--aside .section-heading__note {
  margin-top: 0;
  max-width: 240px;
}

.section-heading__note--vertical {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--c-primary-light);
  white-space: nowrap;
  margin-top: 0;
}

/* ===== 首屏级标题 ===== */

.display-title {
  font-family: var(--font-display);
  font-size: clamp(52px, 10vw, 132px);
  line-height: 0.9;
  letter-spacing: 2px;
  color: var(--c-primary);
  margin: 0;
}

.display-title__number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.55em;
  color: var(--c-accent);
  vertical-align: 0.25em;
  margin-right: 0.15em;
}

.lead {
  font-size: 18px;
  line-height: 1.8;
  color: #444c5c;
  max-width: 640px;
}

/* ===== 面板与数据网格 ===== */

.panel {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.data-grid {
  display: grid;
  gap: 16px;
}

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

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

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

.data-grid__item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}

.data-number {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--c-primary);
}

@media (max-width: 1100px) {
  .data-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .data-grid--2,
  .data-grid--3,
  .data-grid--4 {
    grid-template-columns: 1fr;
  }
}

/* ===== 数据条目 ===== */

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
}

.stat-item {
  border-left: 3px solid var(--c-accent);
  padding-left: 16px;
}

.stat-item__number {
  display: block;
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-primary);
}

.stat-item__label {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: #667085;
}

/* ===== 表格 ===== */

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--c-white);
}

.data-table th {
  background: var(--c-primary-light);
  color: var(--c-white);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-align: left;
  padding: 14px 18px;
  white-space: nowrap;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-border);
  font-size: 14px;
}

.data-table tbody tr:hover {
  background: rgba(255, 107, 53, 0.05);
}

.data-table--striped tbody tr:nth-child(even) {
  background: var(--c-bg);
}

/* ===== 标签 ===== */

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list__item {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 99px;
  font-size: 13px;
  color: var(--c-text);
}

.tag-list__item--accent {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: rgba(255, 107, 53, 0.06);
}

/* ===== 时间轴 ===== */

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(var(--c-accent), var(--c-primary-light));
}

.timeline__item {
  position: relative;
  padding: 0 0 32px 20px;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-white);
  border: 2px solid var(--c-accent);
}

.timeline__item--now::before {
  background: var(--c-accent);
  box-shadow: 0 0 0 5px rgba(255, 107, 53, 0.18);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-accent);
}

.timeline__title {
  font-size: 20px;
  font-weight: 700;
  margin: 6px 0;
  color: var(--c-primary);
}

.timeline__body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

/* ===== 手风琴 ===== */

.accordion {
  border-top: 2px solid var(--c-primary);
}

.accordion__item {
  border-bottom: 1px solid var(--c-border);
}

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  background: none;
  border: 0;
  font-size: 17px;
  font-weight: 600;
  text-align: left;
  color: var(--c-primary);
  cursor: pointer;
}

.accordion__trigger::after {
  content: '+';
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--c-accent);
}

.accordion__item[data-open="true"] .accordion__trigger::after {
  content: '−';
}

.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease;
}

.accordion__item[data-open="true"] .accordion__panel {
  max-height: 700px;
}

.accordion__panel-inner {
  padding: 0 4px 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
}

/* ===== 标签页 ===== */

.tabs__list {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--c-primary);
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs__list::-webkit-scrollbar {
  display: none;
}

.tabs__tab {
  padding: 12px 20px;
  border: 0;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 200ms ease, border-color 200ms ease;
}

.tabs__tab:hover,
.tabs__tab:focus-visible {
  color: var(--c-primary);
}

.tabs__tab.is-active {
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
}

.tabs__panels {
  padding-top: 24px;
}

.tabs__panel {
  display: none;
}

.tabs__panel.is-active {
  display: block;
}

/* ===== 图片来源容器 ===== */

.image-stage {
  position: relative;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08) 25%, transparent 25%) -20px 0 / 40px 40px,
    var(--c-primary-light);
  overflow: hidden;
}

.image-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08) 25%, transparent 25%) -20px 0 / 40px 40px,
    linear-gradient(225deg, rgba(255, 107, 53, 0.15) 25%, transparent 25%) -20px 0 / 40px 40px;
  pointer-events: none;
}

.image-stage--ratio-16x9 {
  aspect-ratio: 16 / 9;
}

.image-stage--ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.image-stage img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-stage__caption {
  margin-top: 8px;
  font-size: 13px;
  color: #667085;
}

/* ===== 告示栏 ===== */

.notice-ribbon {
  background: var(--c-accent);
  color: var(--c-primary-dark);
  padding: 10px 0;
  overflow: hidden;
}

.notice-ribbon__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.notice-ribbon__label {
  flex: 0 0 auto;
  padding: 3px 10px;
  background: var(--c-primary-dark);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
}

.notice-ribbon__text {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== 滚动显现 ===== */

.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 640ms ease, transform 640ms ease;
}

.js-enabled [data-reveal="left"] {
  transform: translateX(-24px);
}

.js-enabled [data-reveal="right"] {
  transform: translateX(24px);
}

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

/* ===== 无障碍与降级动效 ===== */

@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;
  }

  .round-badge::before {
    animation: none;
  }

  .js-enabled [data-reveal],
  .js-enabled [data-reveal="left"],
  .js-enabled [data-reveal="right"] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .to-top {
    transition: none;
  }
}

/* ===== 响应式：平板 ===== */

@media (max-width: 1100px) {
  .section-heading--aside {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .section-heading--aside .section-heading__note {
    max-width: 560px;
  }

  .footer-bottom {
    justify-content: space-between;
  }
}