/* =========================================================
   博鱼体育官网 · 共享样式表 /assets/site.css
   深海数据舱 · 编辑部不对称版式 · 粗野主义边框
   ========================================================= */

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

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

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

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

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

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

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

table { border-collapse: collapse; width: 100%; }

/* ---------- 2. tokens ---------- */
:root {
  --abyss-900: #061426;
  --abyss-700: #0B2545;
  --hull-600: #14375E;
  --grid-line: #1E4A78;
  --electric-cyan: #22D3EE;
  --cyan-deep: #0E7490;
  --coral-orange: #FF6B4A;
  --amber-signal: #F5B301;
  --mint-rank: #2DD4BF;
  --rose-rank: #E4577A;
  --text-primary: #E8F4FF;
  --text-muted: #93AEC9;
  --ice-white: #F7FBFF;
  --glass: rgba(11, 37, 69, 0.72);

  --font-heading: "Oswald", "Archivo Narrow", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-data: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, "Roboto Mono", monospace;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  --sp-1: 24px;
  --sp-2: 32px;
  --sp-3: 48px;

  --border-hard: 2px solid var(--hull-600);
  --border-soft: 1px solid rgba(30, 74, 120, 0.7);
  --shadow-hard: 6px 6px 0 rgba(20, 55, 94, 0.55);
  --shadow-hard-lg: 10px 10px 0 rgba(20, 55, 94, 0.6);

  --max-w: 1360px;
  --gutter: clamp(16px, 3vw, 32px);
  --header-h: 68px;
}

/* ---------- 3. base ---------- */
body {
  min-height: 100vh;
  background-color: var(--abyss-900);
  background-image:
    radial-gradient(1100px 620px at 88% -12%, rgba(34, 211, 238, 0.16), transparent 68%),
    radial-gradient(880px 520px at -12% 24%, rgba(255, 107, 74, 0.10), transparent 70%),
    repeating-linear-gradient(0deg, rgba(30, 74, 120, 0.30) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(30, 74, 120, 0.30) 0 1px, transparent 1px 72px);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 900px) {
  body { font-size: 17px; }
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--ice-white);
}

h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ice-white);
}

p { max-width: 72ch; }

strong { color: var(--ice-white); font-weight: 700; }

::selection { background: var(--electric-cyan); color: var(--abyss-900); }

:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 3px;
}

#main-content { display: block; }

/* ---------- 4. 通用工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(48px, 7vw, 96px); }

.section__head {
  display: grid;
  gap: 12px;
  margin-bottom: var(--sp-3);
  max-width: 62ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--electric-cyan);
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--electric-cyan);
}

.section__title { font-size: clamp(1.6rem, 3.2vw, 2.6rem); }

.lede {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 68ch;
}

.index-num,
.data-num {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
}

.index-num { font-size: 0.75rem; letter-spacing: 0.14em; color: var(--text-muted); }

.data-num { color: var(--electric-cyan); }

.tag {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border: 1px solid var(--hull-600);
  color: var(--text-muted);
  background: rgba(6, 20, 38, 0.6);
}

.tag--hot { border-color: var(--coral-orange); color: var(--coral-orange); }
.tag--live { border-color: var(--mint-rank); color: var(--mint-rank); }

.rule {
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, var(--electric-cyan), rgba(34, 211, 238, 0.05));
}

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

/* 跳至主内容 */
.skip-link {
  position: absolute;
  top: 0;
  left: 12px;
  transform: translateY(-140%);
  z-index: 90;
  padding: 10px 16px;
  background: var(--electric-cyan);
  color: var(--abyss-900);
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid var(--abyss-900);
  transition: transform 0.18s ease;
}

.skip-link:focus { transform: translateY(8px); }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 2px solid var(--hull-600);
  background: var(--abyss-700);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  box-shadow: 4px 4px 0 rgba(20, 55, 94, 0.6);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 rgba(20, 55, 94, 0.75); }

.btn:active { transform: translate(0, 0); box-shadow: 2px 2px 0 rgba(20, 55, 94, 0.6); }

.btn--primary {
  background: var(--electric-cyan);
  border-color: var(--electric-cyan);
  color: #04121f;
  box-shadow: 4px 4px 0 var(--cyan-deep);
}

.btn--primary:hover { box-shadow: 6px 6px 0 var(--cyan-deep); }

.btn--coral {
  background: var(--coral-orange);
  border-color: var(--coral-orange);
  color: #1a0a05;
  box-shadow: 4px 4px 0 rgba(180, 60, 35, 0.8);
}

.btn--ghost { background: transparent; color: var(--electric-cyan); border-color: var(--cyan-deep); }

/* ---------- 6. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding-block: var(--sp-1);
}

.crumbs a { color: var(--text-muted); }
.crumbs a:hover { color: var(--electric-cyan); }
.crumbs [aria-current="page"] { color: var(--electric-cyan); }

.crumbs__sep { color: var(--hull-600); }

/* ---------- 7. 网格与卡片 ---------- */
.grid { display: grid; gap: var(--sp-2); }

.grid--3-9 { grid-template-columns: 1fr; }
.grid--8-4 { grid-template-columns: 1fr; }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

@media (min-width: 900px) {
  .grid--3-9 { grid-template-columns: 3fr 9fr; }
  .grid--8-4 { grid-template-columns: 8fr 4fr; }
}

.stack { display: grid; gap: var(--sp-1); }

.panel {
  position: relative;
  background: var(--glass);
  border: var(--border-hard);
  box-shadow: var(--shadow-hard);
  padding: var(--sp-2);
}

.panel--flat { box-shadow: none; }

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: var(--border-soft);
}

.panel__title { font-size: 1.15rem; }

.panel__body { color: var(--text-muted); }

.panel__body p + p { margin-top: 1.1em; }

/* ---------- 8. 图像容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: var(--border-hard);
  box-shadow: var(--shadow-hard);
  background-color: var(--abyss-700);
  background-image:
    radial-gradient(circle at 32% 22%, rgba(34, 211, 238, 0.20), transparent 62%),
    radial-gradient(circle at 78% 84%, rgba(255, 107, 74, 0.14), transparent 60%),
    repeating-linear-gradient(0deg, rgba(30, 74, 120, 0.45) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(30, 74, 120, 0.45) 0 1px, transparent 1px 34px);
}

.media-frame > img,
.media-frame > picture,
.media-frame > svg,
.media-frame > video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 20, 38, 0) 52%, rgba(6, 20, 38, 0.72) 100%);
}

.media-frame__caption {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 14px 16px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* ---------- 9. 头部命令栏 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6, 20, 38, 0.88);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--hull-600);
}

.site-header[data-scrolled] { box-shadow: 0 12px 28px rgba(3, 10, 20, 0.55); }

.cmd-bar {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 10px var(--gutter);
  min-height: var(--header-h);
}

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

.cmd-brand__mark {
  width: 14px;
  height: 14px;
  border: 2px solid var(--electric-cyan);
  background: linear-gradient(135deg, var(--electric-cyan) 0 45%, transparent 45% 100%);
  flex: 0 0 auto;
}

.cmd-brand__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.cmd-brand__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--ice-white);
  white-space: nowrap;
}

.cmd-brand__alias {
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--electric-cyan);
  border: 1px solid rgba(34, 211, 238, 0.5);
  padding: 1px 5px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint-rank);
  box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.16);
  flex: 0 0 auto;
  animation: status-pulse 2.6s ease-in-out infinite;
}

.status-text {
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  white-space: nowrap;
}

@keyframes status-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(45, 212, 191, 0.16); }
  50% { box-shadow: 0 0 0 8px rgba(45, 212, 191, 0.04); }
}

/* 导航 */
.site-nav { flex: 1 1 auto; }

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

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 11px;
  color: var(--text-muted);
  font-size: 0.92rem;
  white-space: nowrap;
  transition: color 0.16s ease, background 0.16s ease;
}

.site-nav__link:hover { color: var(--text-primary); background: rgba(34, 211, 238, 0.07); }

.site-nav__idx {
  font-family: var(--font-data);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--electric-cyan);
  opacity: 0.7;
}

.site-nav__link[aria-current="page"] {
  color: var(--ice-white);
  background: rgba(34, 211, 238, 0.10);
}

.site-nav__link[aria-current="page"] .site-nav__idx { opacity: 1; }

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  bottom: 2px;
  height: 3px;
  background: var(--electric-cyan);
}

/* 右侧行动区 */
.cmd-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex: 0 0 auto;
}

.league-switch {
  display: flex;
  border: 1px solid var(--hull-600);
  background: rgba(11, 37, 69, 0.72);
}

.league-btn {
  padding: 7px 10px;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-right: 1px solid var(--hull-600);
  transition: color 0.16s ease, background 0.16s ease;
}

.league-btn:last-child { border-right: 0; }

.league-btn:hover { color: var(--text-primary); background: rgba(34, 211, 238, 0.10); }

.league-btn[aria-pressed="true"] {
  color: var(--electric-cyan);
  background: rgba(34, 211, 238, 0.16);
  box-shadow: inset 0 -2px 0 var(--electric-cyan);
}

.cmd-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  background: var(--electric-cyan);
  color: #04121f;
  font-weight: 700;
  font-size: 0.9rem;
  border: 2px solid var(--electric-cyan);
  box-shadow: 3px 3px 0 var(--cyan-deep);
  white-space: nowrap;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.cmd-cta:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--cyan-deep); }

.cmd-service {
  display: inline-flex;
  align-items: center;
  padding: 8px 13px;
  border: 2px solid var(--hull-600);
  color: var(--text-primary);
  font-size: 0.88rem;
  white-space: nowrap;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.cmd-service:hover { border-color: var(--electric-cyan); color: var(--electric-cyan); }

/* 移动端按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 2px solid var(--hull-600);
  color: var(--text-primary);
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  margin-left: auto;
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--electric-cyan);
  transition: background 0.18s ease;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--electric-cyan);
  transition: transform 0.2s ease, top 0.2s ease;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* 滚动进度 */
.cmd-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(30, 74, 120, 0.45);
  overflow: hidden;
}

.cmd-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--electric-cyan), var(--coral-orange));
}

/* ---------- 10. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 104px);
  border-top: 2px solid var(--hull-600);
  background: linear-gradient(180deg, rgba(11, 37, 69, 0.55), rgba(6, 20, 38, 0.95));
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: min(46%, 460px);
  height: 3px;
  background: linear-gradient(90deg, var(--electric-cyan), var(--coral-orange), transparent);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr 1fr;
  gap: var(--sp-3) var(--sp-2);
  max-width: var(--max-w);
  margin-inline: auto;
  padding: clamp(40px, 5vw, 68px) var(--gutter) var(--sp-2);
}

.footer-brand__name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--ice-white);
}

.footer-brand__tag {
  margin-top: 8px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--electric-cyan);
}

.footer-brand__meta {
  margin-top: 12px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.footer-col__title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ice-white);
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: var(--border-soft);
}

.footer-col__idx {
  font-family: var(--font-data);
  font-size: 0.68rem;
  color: var(--electric-cyan);
}

.footer-list { display: grid; gap: 9px; }

.footer-list a {
  display: inline-block;
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color 0.16s ease, transform 0.16s ease;
}

.footer-list a:hover { color: var(--electric-cyan); transform: translateX(3px); }

.footer-contact { display: grid; gap: 10px; }

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

.footer-contact__key {
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--cyan-deep);
  text-transform: uppercase;
}

.footer-contact__val {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.footer-filing {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border: 1px solid var(--hull-600);
  padding: 6px 10px;
  background: rgba(6, 20, 38, 0.6);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--max-w);
  margin-inline: auto;
  padding: 18px var(--gutter) 28px;
  border-top: 1px solid rgba(30, 74, 120, 0.7);
}

.footer-copy,
.footer-meta {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  max-width: none;
}

/* ---------- 11. 滚动显现 ---------- */
html.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1180px) {
  .league-switch { display: none; }
  .status-text { display: none; }
}

@media (max-width: 899px) {
  .nav-toggle { display: inline-flex; }

  .cmd-service { display: none; }

  .cmd-brand__name { font-size: 0.98rem; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 6px var(--gutter) 22px;
    background: rgba(6, 20, 38, 0.98);
    -webkit-backdrop-filter: blur(14px);
    backdrop-filter: blur(14px);
    border-bottom: 2px solid var(--hull-600);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  }

  .site-nav[data-open] {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 4px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(30, 74, 120, 0.6);
  }

  .site-nav__link[aria-current="page"] { background: rgba(34, 211, 238, 0.08); }

  .site-nav__link[aria-current="page"]::after {
    left: 0;
    right: auto;
    bottom: 6px;
    width: 3px;
    height: 22px;
  }

  .site-nav__idx { font-size: 0.7rem; }

  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  :root { --header-h: 62px; }

  .footer-inner { grid-template-columns: 1fr; gap: var(--sp-2); }
  .footer-brand { grid-column: auto; }

  .cmd-cta { padding: 8px 12px; font-size: 0.84rem; }

  .panel { padding: var(--sp-1); box-shadow: 4px 4px 0 rgba(20, 55, 94, 0.55); }
}

@media (min-width: 1400px) {
  .site-nav__link { padding: 10px 14px; }
}

/* ---------- 13. 动效降级 ---------- */
@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.has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .status-dot { animation: none; }

  .btn:hover,
  .cmd-cta:hover,
  .footer-list a:hover { transform: none; }
}