/* ==============================================
   SITE.CSS — 必赢亚州游戏CN 共享样式
   创意基调：技术蓝图 / 框架导航 / 数据指挥舱
   ============================================== */

/* ---------- 设计变量 ---------- */
:root {
  --color-bg: #0A0F24;
  --color-blue: #0B1B3F;
  --color-green: #00E88F;
  --color-purple: #9D5CFF;
  --color-text: #E5E9F0;
  --color-muted: #A0AABF;
  --color-gold: #FFD700;
  --color-alert: #FF4757;
  --font-head: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', SFMono-Regular, Consolas, monospace;
  --header-h: 72px;
  --content-max: 1440px;
}

/* ---------- Reset / 基础 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  background: var(--color-bg);
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background:
    linear-gradient(rgba(157, 92, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(157, 92, 255, 0.05) 1px, transparent 1px),
    var(--color-bg);
  background-size: 42px 42px, 42px 42px, auto;
  background-attachment: fixed, fixed, fixed;
}

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

a {
  color: inherit;
  text-decoration: none;
  background-color: transparent;
  -webkit-tap-highlight-color: transparent;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.25;
  color: var(--color-text);
}

p {
  color: var(--color-text);
}

button {
  font-family: inherit;
  font-size: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

::selection {
  background: rgba(0, 232, 143, 0.28);
  color: var(--color-text);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(157, 92, 255, 0.5), rgba(0, 232, 143, 0.4));
  border-radius: 8px;
  border: 2px solid var(--color-bg);
}

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

/* ---------- 辅助 ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.text-muted { color: var(--color-muted); }
.text-green { color: var(--color-green); }
.text-purple { color: var(--color-purple); }
.mono { font-family: var(--font-mono); }

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 2000;
  padding: 10px 18px;
  background: var(--color-green);
  color: #081020;
  font-size: 14px;
  font-weight: 700;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: top 0.2s ease;
}

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

/* ---------- 滚动进度 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1500;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-green), var(--color-purple));
  pointer-events: none;
}

/* ---------- 头部框架 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(10, 15, 36, 0.92);
  border-bottom: 1px solid rgba(157, 92, 255, 0.3);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-green) 0%, var(--color-purple) 55%, transparent 100%);
}

.site-header[data-scrolled] {
  background: rgba(10, 15, 36, 0.98);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.header-frame {
  position: relative;
  max-width: var(--content-max);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header-coord {
  display: none;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: rgba(160, 170, 191, 0.45);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
}

.header-coord-left { margin-right: 8px; }
.header-coord-right { margin-left: 8px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--color-green) 0%, #00B36B 100%);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 14px;
  color: #081020;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.brand-text {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.04em;
  font-size: 17px;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--color-text);
}

.brand-text small {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 400;
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-green);
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 0;
}

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

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  position: relative;
  padding: 6px 10px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: -3px;
  height: 2px;
  background: var(--color-green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s ease;
}

.nav-link:hover {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  color: var(--color-green);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--color-green);
  color: #081020;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.nav-cta::before {
  content: '';
  width: 6px;
  height: 6px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.nav-cta:hover {
  background: #00FC9B;
  box-shadow: 0 0 24px rgba(0, 232, 143, 0.4);
  transform: translateY(-1px);
}

.nav-cta:hover::before {
  transform: translateX(2px) rotate(45deg);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid rgba(157, 92, 255, 0.4);
  background: transparent;
  transition: border-color 0.2s ease;
}

.nav-toggle:hover {
  border-color: var(--color-green);
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

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

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

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

/* ---------- 移动端导航 ---------- */
@media (max-width: 991px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    display: flex;
    align-items: flex-start;
    justify-content: stretch;
    padding: 28px 20px 48px;
    background: rgba(10, 15, 36, 0.98);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.28s ease, visibility 0.28s ease;
  }

  .site-nav[data-open] {
    transform: translateX(0);
    visibility: visible;
  }

  .site-nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 4px;
  }

  .nav-link {
    padding: 14px 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: 1px solid rgba(157, 92, 255, 0.15);
  }

  .nav-link::after {
    left: 16px;
    right: 16px;
    bottom: -1px;
  }

  .nav-link[aria-current="page"] {
    color: var(--color-green);
    border-bottom-color: var(--color-green);
  }

  html:not(.js-enabled) .site-nav {
    position: static;
    transform: none;
    visibility: visible;
    padding: 12px 0;
    background: transparent;
    overflow: visible;
  }

  html:not(.js-enabled) .site-nav-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  html:not(.js-enabled) .nav-link {
    font-size: 14px;
    padding: 6px 10px;
    border-bottom: 0;
  }
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  flex-shrink: 0;
  background-color: var(--color-blue);
  background-image: radial-gradient(ellipse at 15% 0%, rgba(157, 92, 255, 0.1), transparent 45%);
  border-top: 1px solid rgba(157, 92, 255, 0.3);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  z-index: 1;
  width: min(420px, 60%);
  height: 2px;
  background: linear-gradient(90deg, var(--color-green), var(--color-purple), transparent);
}

.site-footer::after {
  content: 'LEAGUE-BIYING // SYSTEM-FOOTER';
  position: absolute;
  top: 18px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(160, 170, 191, 0.22);
  pointer-events: none;
  user-select: none;
}

.footer-frame {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 56px 24px 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.7fr 1.2fr;
  gap: 48px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(229, 233, 240, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.footer-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--color-green), var(--color-purple));
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 16px;
  color: #081020;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 72% 100%, 0 100%);
}

.footer-brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
}

.footer-trust {
  max-width: 520px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}

.footer-column {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.footer-col-title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-purple);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: var(--color-muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-link::before {
  content: '';
  width: 5px;
  height: 5px;
  border-top: 1px solid var(--color-green);
  border-right: 1px solid var(--color-green);
  transform: rotate(45deg);
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.2s ease;
}

.footer-link:hover {
  color: var(--color-text);
  transform: translateX(4px);
}

.footer-link:hover::before {
  opacity: 1;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.footer-contact-line {
  display: inline-flex;
  gap: 8px;
  font-size: 14px;
  color: var(--color-muted);
}

.footer-contact-line::before {
  content: '//';
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-purple);
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
}

.footer-copy,
.footer-icp {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(160, 170, 191, 0.6);
}

.footer-copy [data-year] {
  color: var(--color-green);
}

/* ---------- 正文容器 ---------- */
#main-content {
  display: block;
  flex: 1 0 auto;
  padding-top: var(--header-h);
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 880px;
}

/* ---------- 栅格 ---------- */
.grid-10 {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 24px;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--color-blue);
  color: var(--color-text);
  border: 1px solid rgba(229, 233, 240, 0.2);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-align: center;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: all 0.2s ease;
}

.btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-green);
  border-color: var(--color-green);
  color: #081020;
  font-weight: 700;
}

.btn-primary:hover {
  background: #00FC9B;
  border-color: #00FC9B;
  color: #081020;
  box-shadow: 0 4px 24px rgba(0, 232, 143, 0.35);
}

.btn-outline {
  background: transparent;
  border-color: rgba(157, 92, 255, 0.6);
  color: var(--color-purple);
}

.btn-outline:hover {
  background: rgba(157, 92, 255, 0.12);
  border-color: var(--color-purple);
  color: var(--color-text);
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-muted);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-green);
}

.breadcrumb .sep {
  color: rgba(160, 170, 191, 0.35);
  font-family: var(--font-mono);
}

/* ---------- 章节标题 ---------- */
.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 0.03em;
  line-height: 1.25;
  text-transform: uppercase;
  color: var(--color-text);
}

.section-title::before {
  content: '';
  flex-shrink: 0;
  width: 5px;
  height: 1em;
  background: linear-gradient(180deg, var(--color-green), var(--color-purple));
  border-radius: 2px;
}

.section-title .section-index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-purple);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-green);
  background: rgba(0, 232, 143, 0.08);
  border: 1px solid rgba(0, 232, 143, 0.4);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.tag-purple {
  color: var(--color-purple);
  border-color: rgba(157, 92, 255, 0.5);
  background: rgba(157, 92, 255, 0.1);
}

/* ---------- 图片容器 ---------- */
.img-shell {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, rgba(157, 92, 255, 0.14), transparent 60%), var(--color-blue);
  border: 1px solid rgba(229, 233, 240, 0.12);
}

.img-shell[data-ratio="4/3"] { aspect-ratio: 4 / 3; }
.img-shell[data-ratio="3/2"] { aspect-ratio: 3 / 2; }
.img-shell[data-ratio="1/1"] { aspect-ratio: 1 / 1; }

.img-shell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-shell::after {
  content: attr(data-label);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  background: linear-gradient(transparent, rgba(10, 15, 36, 0.85));
}

/* ---------- 展开内容 ---------- */
.details {
  border: 1px solid rgba(229, 233, 240, 0.1);
  background: rgba(11, 27, 63, 0.4);
}

.details summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease;
}

.details summary::-webkit-details-marker {
  display: none;
}

.details summary:hover {
  background: rgba(157, 92, 255, 0.08);
}

.details summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-green);
  transition: transform 0.2s ease;
}

.details[open] summary::after {
  content: '−';
}

.details-body {
  padding: 4px 20px 20px;
  color: var(--color-muted);
  font-size: 15px;
}

/* ---------- 数据表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(229, 233, 240, 0.1);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-purple);
  background: rgba(157, 92, 255, 0.06);
}

.data-table td {
  color: var(--color-text);
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover {
  background: rgba(0, 232, 143, 0.04);
}

/* ---------- 选项卡 ---------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tab {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-muted);
  background: transparent;
  border: 1px solid rgba(229, 233, 240, 0.15);
  transition: all 0.2s ease;
}

.tab:hover {
  color: var(--color-text);
  border-color: var(--color-green);
}

.tab[data-active] {
  color: #081020;
  background: var(--color-green);
  border-color: var(--color-green);
}

/* ---------- 实时状态点 ---------- */
.data-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-green);
}

.data-status::before {
  content: '';
  width: 7px;
  height: 7px;
  background: var(--color-green);
  border-radius: 50%;
  animation: status-pulse 1.8s ease-out infinite;
}

@keyframes status-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 232, 143, 0.45); }
  100% { box-shadow: 0 0 0 8px rgba(0, 232, 143, 0); }
}

/* ---------- 斜切区块 ---------- */
.diagonal-section {
  position: relative;
  padding: 72px 0;
  background:
    linear-gradient(135deg, rgba(157, 92, 255, 0.14), transparent 60%),
    rgba(11, 27, 63, 0.85);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
}

/* ---------- 滚动显现 ---------- */
.js-enabled [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* ---------- 响应式断点 ---------- */
@media (min-width: 1440px) {
  .header-coord {
    display: inline-flex;
  }
}

@media (min-width: 1200px) {
  body::after {
    content: '';
    position: fixed;
    top: 0;
    bottom: 0;
    left: 16px;
    right: 16px;
    border-left: 1px solid rgba(157, 92, 255, 0.1);
    border-right: 1px solid rgba(157, 92, 255, 0.1);
    pointer-events: none;
    z-index: 998;
  }
}

@media (max-width: 991px) {
  .grid-10 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

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

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

  .footer-frame {
    padding: 48px 24px 24px;
  }
}

@media (max-width: 767px) {
  :root {
    --header-h: 60px;
  }

  .header-frame {
    padding: 0 14px;
    gap: 10px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }

  .brand-text {
    font-size: 15px;
  }

  .brand-text small {
    display: none;
  }

  .nav-cta {
    padding: 7px 12px;
    font-size: 13px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .nav-toggle-line {
    width: 16px;
    margin: 3.5px auto;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: translateY(5.5px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: translateY(-5.5px) rotate(-45deg);
  }

  .container {
    padding: 0 16px;
  }
}

@media (max-width: 575px) {
  .grid-10 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-frame {
    padding: 40px 16px 24px;
  }

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

  .site-footer::after {
    display: none;
  }
}

/* ---------- 减少动效 ---------- */
@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-enabled [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .data-status::before {
    animation: none;
  }
}