/* ============================================================
   米乐赛场 · 共享样式 /assets/site.css
   夜场指挥室基调 + 数据编辑部秩序
   ============================================================ */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, dl, dd, figure, blockquote { margin: 0; }

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

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

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

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

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

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #061A15;
  --ink-deep: #041019;
  --blue: #0B1F33;
  --lime: #C8FF3D;
  --gold: #F4C95D;
  --magenta: #FF4D8D;
  --mist: #F2F7F3;
  --muted: #8FA69D;
  --line: #24463B;
  --sky: #5BC8FF;

  --shell-max: 1240px;
  --gutter: clamp(1.1rem, 4vw, 2.6rem);
  --radius: 3px;
  --dur: .16s;

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.75;
  color: var(--mist);
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(36, 70, 59, .28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 70, 59, .28) 1px, transparent 1px),
    radial-gradient(1100px 560px at 88% -12%, rgba(11, 31, 51, .95), transparent 70%),
    radial-gradient(760px 460px at -6% 4%, rgba(91, 200, 255, .09), transparent 66%);
  background-size: 72px 72px, 72px 72px, auto, auto;
  background-repeat: repeat, repeat, no-repeat, no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.01em;
}

p { text-wrap: pretty; }

strong { color: var(--lime); }

/* ---------- 4. 布局工具 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: .5rem;
  left: .5rem;
  z-index: 200;
  padding: .7rem 1.1rem;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform var(--dur) ease;
}

.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

/* ---------- 5. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(4, 16, 25, .93);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.header-rail {
  background:
    linear-gradient(90deg, rgba(200, 255, 61, .13), transparent 58%),
    var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.header-rail__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.15rem;
}

.rail-status {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .18em;
  color: var(--muted);
}

.rail-dot {
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 0 rgba(200, 255, 61, .55);
  animation: rail-pulse 2.6s ease-out infinite;
}

@keyframes rail-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 255, 61, .55); }
  70%  { box-shadow: 0 0 0 .5rem rgba(200, 255, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 255, 61, 0); }
}

.rail-meta {
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .18em;
  color: rgba(143, 166, 157, .8);
}

.header-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(.8rem, 2vw, 1.8rem);
  padding-block: .8rem;
}

/* 品牌字标 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  flex: 0 0 auto;
  padding-block: .15rem;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .02em;
  border-radius: 2px;
  box-shadow: 0 .4rem 1.4rem rgba(200, 255, 61, .22);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--mist);
}

.brand__note {
  margin-top: .22rem;
  font-family: var(--font-mono);
  font-size: .58rem;
  letter-spacing: .14em;
  color: var(--muted);
}

/* 导航 */
.site-nav { margin-inline-start: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(.3rem, 1.2vw, 1.15rem);
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: .55rem .25rem;
  font-size: .93rem;
  font-weight: 500;
  color: var(--mist);
  opacity: .84;
  transition: color var(--dur) ease, opacity var(--dur) ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: .25rem;
  right: .25rem;
  bottom: .18rem;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) ease;
}

.nav-link:hover { opacity: 1; color: var(--lime); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { opacity: 1; color: var(--lime); font-weight: 700; }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-foot { display: none; }

/* 桌面端行动区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex: 0 0 auto;
  padding-inline-start: clamp(.6rem, 1.6vw, 1.2rem);
  border-inline-start: 1px solid var(--line);
}

.header-actions .btn {
  padding: .6rem 1rem;
  font-size: .72rem;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: .5rem;
  margin-inline-start: auto;
  padding: .55rem .72rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  transition: border-color var(--dur) ease, color var(--dur) ease;
}

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

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: .22rem;
  width: 1rem;
}

.nav-toggle__bars i {
  display: block;
  height: 1.5px;
  width: 100%;
  background: var(--lime);
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }

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

/* 滚动进度 */
.scroll-progress {
  --progress: 0;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
}

.scroll-progress::after {
  content: "";
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--lime), var(--gold));
  transform: scaleX(var(--progress));
  transform-origin: left center;
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(2rem, 6vw, 4.5rem);
  background: var(--ink-deep);
  border-top: 1px solid var(--line);
  color: var(--mist);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    var(--lime) 0%,
    rgba(200, 255, 61, 0) 34%,
    rgba(244, 201, 93, 0) 66%,
    var(--gold) 100%);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.95fr);
  gap: clamp(1.8rem, 4.5vw, 4.2rem);
  padding-block: clamp(2.4rem, 5.5vw, 4.2rem) clamp(1.6rem, 3.5vw, 2.6rem);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.05rem;
}

.brand--footer { align-items: center; }

.footer-tagline {
  padding-inline-start: .8rem;
  border-inline-start: 2px solid var(--lime);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.1rem, 3vw, 2.2rem);
}

.footer-col__title {
  margin-bottom: .8rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--lime);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.footer-link {
  display: inline-block;
  font-size: .93rem;
  color: var(--muted);
  transition: color var(--dur) ease, transform var(--dur) ease;
}

.footer-link:hover {
  color: var(--lime);
  transform: translateX(2px);
}

.footer-contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 1rem 2rem;
  padding-block: clamp(1.2rem, 3vw, 1.9rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.footer-contact__item {
  display: flex;
  flex-direction: column;
  gap: .28rem;
}

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: .64rem;
  letter-spacing: .18em;
  color: var(--muted);
}

.footer-contact__val {
  font-size: .9rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .7rem 1.6rem;
  padding-block: clamp(1rem, 2.4vw, 1.5rem);
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem 1.15rem;
}

.footer-legal__link {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--muted);
  transition: color var(--dur) ease;
}

.footer-legal__link:hover { color: var(--lime); }

.footer-legal__text {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: rgba(143, 166, 157, .72);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .72rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .08em;
  white-space: nowrap;
  transition: background-color var(--dur) ease, color var(--dur) ease,
              border-color var(--dur) ease, transform var(--dur) ease,
              box-shadow var(--dur) ease;
}

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

.btn--gold {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 .35rem 1.1rem rgba(244, 201, 93, .18);
}

.btn--gold:hover {
  background: var(--lime);
  box-shadow: 0 .35rem 1.3rem rgba(200, 255, 61, .3);
}

.btn--lime {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 .35rem 1.1rem rgba(200, 255, 61, .2);
}

.btn--lime:hover { background: var(--gold); }

.btn--ghost {
  border-color: var(--line);
  color: var(--mist);
  background: rgba(242, 247, 243, .02);
}

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

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

/* ---------- 8. 区块与标题 ---------- */
.section { padding-block: clamp(2.4rem, 5.5vw, 4.6rem); }

.section-head {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 68ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--lime);
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: currentColor;
}

.section-title {
  font-size: clamp(1.7rem, 3.4vw, 2.75rem);
  color: var(--mist);
}

.section-lede {
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 9. 面包屑 ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
}

.breadcrumb-link {
  color: var(--muted);
  transition: color var(--dur) ease;
}

.breadcrumb-link:hover { color: var(--lime); }

.breadcrumb-sep { color: rgba(143, 166, 157, .5); }

.breadcrumb-current { color: var(--mist); }

/* ---------- 10. 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .3rem .55rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(4, 16, 25, .5);
  font-family: var(--font-mono);
  font-size: .66rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .1em;
  color: var(--muted);
}

.tag--lime { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.tag--gold { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.tag--magenta { background: var(--magenta); border-color: var(--magenta); color: var(--ink); }

/* ---------- 11. 数据组件 ---------- */
.stat {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 7vw, 5.2rem);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.045em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--muted);
}

/* ---------- 12. 卡片 ---------- */
.card {
  position: relative;
  background: linear-gradient(165deg, rgba(11, 31, 51, .94), rgba(6, 26, 21, .96));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(242, 247, 243, .03), 0 18px 40px -32px rgba(0, 0, 0, .95);
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.card:hover {
  border-color: rgba(200, 255, 61, .45);
  transform: translateY(-2px);
}

.card__body { padding: clamp(1rem, 2.4vw, 1.6rem); }

.card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--mist);
}

/* ---------- 13. 分段切换 ---------- */
.tabs { width: 100%; }

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  padding-bottom: .55rem;
  border-bottom: 1px solid var(--line);
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .9rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted);
  transition: color var(--dur) ease, background-color var(--dur) ease, border-color var(--dur) ease;
}

.tab:hover { color: var(--lime); border-color: var(--line); }

.tab[aria-selected="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}

.tab-panel { padding-top: clamp(1rem, 2.4vw, 1.6rem); }

.tab-panel[hidden] { display: none; }

/* ---------- 14. 图片容器基础 ---------- */
.media-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--blue), var(--ink-deep));
}

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 52%, rgba(4, 16, 25, .74));
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--band { aspect-ratio: 21 / 9; }

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1140px) {
  .nav-toggle { display: inline-flex; }
  .header-actions { display: none; }

  .site-nav {
    order: 5;
    flex: 0 0 100%;
    width: 100%;
    margin-inline-start: 0;
    display: none;
    padding-top: .55rem;
    border-top: 1px solid var(--line);
  }

  .site-nav[data-open="true"] {
    display: block;
    animation: nav-in .18s ease both;
  }

  @keyframes nav-in {
    from { opacity: 0; transform: translateY(-.4rem); }
    to   { opacity: 1; transform: none; }
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    display: block;
    padding: .8rem .2rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(36, 70, 59, .55);
    opacity: .9;
  }

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

  .nav-link[aria-current="page"] {
    padding-inline-start: .8rem;
    border-inline-start: 2px solid var(--lime);
    color: var(--lime);
    background: rgba(200, 255, 61, .06);
  }

  .nav-foot {
    display: flex;
    flex-wrap: wrap;
    gap: .55rem;
    padding: .95rem 0 1.15rem;
  }

  .nav-foot .btn { flex: 1 1 9rem; }
}

@media (max-width: 1000px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .rail-meta { display: none; }
  .brand__mark { width: 2.25rem; height: 2.25rem; font-size: .84rem; }
  .brand__name { font-size: 1.12rem; }
  .brand__note { font-size: .54rem; letter-spacing: .1em; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .footer-legal { gap: .45rem .9rem; }
  .nav-toggle__label { display: none; }
}

/* ---------- 16. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .card:hover,
  .footer-link:hover { transform: none; }

  .rail-dot { animation: none; box-shadow: 0 0 0 .2rem rgba(200, 255, 61, .18); }
}