/* ============================================================
   BEPLAY赛事 · /assets/site.css
   共享外壳：品牌轨道页头 / 分栏页脚 / 通用组件 / 图片容器
   ============================================================ */

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

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

:root {
  --night: #0C171C;
  --field: #10382C;
  --grass: #1E7A55;
  --whistle: #F2CE1B;
  --flare: #FF6B1A;
  --paper: #F3F5F1;
  --clock: #35C0A6;
  --mid: #6E8792;
  --board: #D9D3C2;
  --shade: #050C0F;

  --line: rgba(243, 245, 241, 0.14);
  --line-soft: rgba(243, 245, 241, 0.065);
  --ink-dim: rgba(243, 245, 241, 0.76);

  --rail-w: 268px;
  --gap: clamp(16px, 2vw, 26px);
  --pad-x: clamp(18px, 3.4vw, 56px);
  --maxw: 1320px;

  --font-display: "Arial Narrow", "Helvetica Neue Condensed", "PingFang SC",
    "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono",
    Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 160ms;
}

body {
  margin: 0;
  min-height: 100vh;
  padding-left: var(--rail-w);
  background-color: var(--night);
  background-image:
    radial-gradient(1200px 620px at 78% -12%, rgba(30, 122, 85, 0.16), transparent 62%),
    linear-gradient(180deg, #0C171C 0%, #0A1418 100%);
  background-repeat: no-repeat;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.12;
  font-stretch: condensed;
}

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

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

a {
  color: var(--clock);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

a:hover {
  color: var(--whistle);
}

button {
  font: inherit;
  color: inherit;
}

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

::selection {
  background: var(--whistle);
  color: #0C171C;
}

#main-content {
  display: block;
  scroll-margin-top: 88px;
}

#main-content:focus-visible {
  outline: 2px solid var(--clock);
  outline-offset: -4px;
}

/* ---------------- 布局工具 ---------------- */

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section {
  padding-block: clamp(2.2rem, 5vw, 4.4rem);
}

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

.grid--12 {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

/* ---------------- 页头 · 品牌轨道 ---------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  width: var(--rail-w);
  padding: 1.15rem 1rem 1.3rem;
  background: linear-gradient(180deg, #0F2F26 0%, var(--field) 48%, #0B2620 100%);
  border-right: 1px solid var(--line);
  box-shadow: 14px 0 44px -30px #000;
  overflow-y: auto;
  overscroll-behavior: contain;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 100% 46px, 46px 100%;
}

.site-header > * {
  position: relative;
  z-index: 1;
}

.skip-link {
  position: fixed;
  top: 0;
  left: 50%;
  z-index: 200;
  padding: 0.55rem 1.05rem;
  background: var(--whistle);
  color: #0C171C;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transform: translate(-50%, -160%);
  transition: transform var(--dur) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translate(-50%, 0);
  color: #0C171C;
}

.rail-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.7rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: grid;
  grid-template-columns: 9px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 0.62rem;
  align-items: center;
  color: var(--paper);
  text-decoration: none;
}

.brand:hover {
  color: var(--paper);
}

.brand__tick {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: stretch;
  min-height: 34px;
  background: linear-gradient(180deg, var(--whistle) 0 58%, var(--grass) 58% 100%);
}

.brand__name {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  line-height: 1.1;
  letter-spacing: -0.015em;
}

.brand__season {
  grid-column: 2;
  grid-row: 2;
  margin-top: 0.22rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--whistle);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.6rem;
  background: rgba(12, 23, 28, 0.45);
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.nav-toggle__icon {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease),
    bottom var(--dur) var(--ease);
}

.nav-toggle__icon::before { top: 0; }
.nav-toggle__icon::after { bottom: 0; }

.site-header[data-open] .nav-toggle {
  color: var(--whistle);
  border-color: rgba(242, 206, 27, 0.6);
}

.site-header[data-open] .nav-toggle__icon::before {
  top: 4px;
  transform: rotate(45deg);
}

.site-header[data-open] .nav-toggle__icon::after {
  bottom: 4px;
  transform: rotate(-45deg);
}

.site-nav {
  flex: 1 1 auto;
  min-height: 0;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  list-style: none;
}

.site-nav__link {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.58rem 0.7rem 0.58rem 0.85rem;
  border-left: 2px solid transparent;
  color: var(--ink-dim);
  font-size: 0.96rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.site-nav__no {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--grass);
  transition: color var(--dur) var(--ease);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--paper);
  background: rgba(243, 245, 241, 0.06);
  border-left-color: var(--clock);
}

.site-nav__link:hover .site-nav__no,
.site-nav__link:focus-visible .site-nav__no {
  color: var(--clock);
}

.site-nav__link[aria-current="page"] {
  color: #0C171C;
  background: var(--whistle);
  border-left-color: var(--flare);
  font-weight: 700;
}

.site-nav__link[aria-current="page"] .site-nav__no {
  color: rgba(12, 23, 28, 0.62);
}

.rail-foot {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.rail-note {
  font-size: 0.74rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--mid);
}

.rail-entries {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.rail-cta {
  width: 100%;
}

/* ---------------- 页脚 ---------------- */

.site-footer {
  position: relative;
  margin-top: clamp(3rem, 7vw, 6rem);
  background: linear-gradient(180deg, var(--field) 0%, #0A2019 56%, #091419 100%);
  border-top: 1px solid rgba(242, 206, 27, 0.32);
}

.site-footer::before {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--whistle) 0 26%,
    var(--grass) 26% 58%,
    var(--flare) 58% 66%,
    var(--shade) 66% 100%
  );
}

.site-footer__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(1.8rem, 4vw, 3.1rem) var(--pad-x) 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(0, 2fr);
  gap: clamp(1.6rem, 4vw, 4rem);
  padding-bottom: clamp(1.4rem, 3vw, 2.3rem);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--paper);
  text-decoration: none;
}

.footer-brand:hover {
  color: var(--paper);
}

.footer-brand__mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--whistle);
  color: #0C171C;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
}

.footer__slogan {
  margin-top: 0.9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.footer__meta {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mid);
}

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.4vw, 2rem);
}

.footer__title {
  margin-bottom: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--whistle);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  list-style: none;
}

.footer__link {
  display: inline-block;
  padding-bottom: 1px;
  color: var(--ink-dim);
  font-size: 0.92rem;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer__link:hover,
.footer__link:focus-visible {
  color: var(--whistle);
  border-bottom-color: var(--whistle);
}

.footer__strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.55rem 1.6rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.footer__contact {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--ink-dim);
  word-break: break-word;
}

.footer__contact-key {
  display: inline-block;
  margin-right: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--mid);
}

.footer__note {
  margin-top: 1rem;
  max-width: 88ch;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mid);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.4rem;
  margin-top: clamp(1.2rem, 3vw, 2rem);
  padding: 1rem 0 1.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mid);
}

.footer__icp,
.footer__copy {
  margin: 0;
}

/* ---------------- 通用组件 ---------------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mid);
}

.breadcrumb a {
  color: var(--mid);
  text-decoration: none;
}

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

.breadcrumb__sep {
  color: var(--grass);
}

.breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--whistle);
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: currentColor;
}

.section-title {
  margin-bottom: 0.6rem;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  font-weight: 900;
}

.lead {
  max-width: 42ch;
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--ink-dim);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.62rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease),
    color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.btn--primary {
  background: var(--whistle);
  border-color: var(--whistle);
  color: #10161A;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--flare);
  border-color: var(--flare);
  color: #FFFFFF;
}

.btn--ghost {
  border-color: rgba(243, 245, 241, 0.3);
  color: var(--paper);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--clock);
  background: rgba(53, 192, 166, 0.1);
  color: var(--clock);
}

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

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.62rem;
  border: 1px solid var(--line);
  background: rgba(12, 23, 28, 0.4);
  color: var(--paper);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.chip:hover,
.chip:focus-visible {
  border-color: var(--clock);
  background: rgba(53, 192, 166, 0.12);
  color: var(--clock);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.5rem;
  border: 1px solid rgba(53, 192, 166, 0.45);
  background: rgba(53, 192, 166, 0.08);
  color: var(--clock);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  line-height: 1.6;
}

.tag--live {
  border-color: rgba(255, 107, 26, 0.5);
  background: rgba(255, 107, 26, 0.12);
  color: var(--flare);
}

.tag--whistle {
  border-color: rgba(242, 206, 27, 0.5);
  background: rgba(242, 206, 27, 0.12);
  color: var(--whistle);
}

.panel {
  padding: clamp(1rem, 2vw, 1.6rem);
  border: 1px solid var(--line);
  background: var(--field);
}

/* ---------------- 图片容器基础规则 ---------------- */

.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--shade);
  border: 1px solid var(--line);
}

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

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 52%, rgba(5, 12, 15, 0.58) 100%);
}

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

.media__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.3rem 0.62rem;
  background: var(--whistle);
  color: #0C171C;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.figure {
  margin: 0;
}

.figure__cap {
  margin-top: 0.5rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--mid);
}

/* ---------------- 滚动进度 / 返回顶部 ---------------- */

.scroll-meter {
  position: fixed;
  top: 0;
  left: var(--rail-w);
  right: 0;
  z-index: 90;
  height: 3px;
  background: rgba(243, 245, 241, 0.07);
  pointer-events: none;
}

.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--grass), var(--clock) 55%, var(--whistle));
}

.to-top {
  position: fixed;
  right: clamp(0.8rem, 2vw, 1.6rem);
  bottom: clamp(0.8rem, 2vw, 1.6rem);
  z-index: 70;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: var(--whistle);
  color: #0C171C;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease),
    visibility var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

body.is-scrolled .to-top {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--flare);
  color: #FFFFFF;
}

/* ---------------- 入场显现 ---------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
}

[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1180px) and (min-width: 901px) {
  :root {
    --rail-w: 232px;
  }

  .brand__name {
    font-size: 1.14rem;
  }

  .site-nav__link {
    font-size: 0.9rem;
    padding-left: 0.7rem;
  }
}

@media (max-width: 980px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  :root {
    --rail-w: 0px;
  }

  body {
    padding-left: 0;
    font-size: 16px;
  }

  #main-content {
    scroll-margin-top: 76px;
  }

  .site-header {
    position: sticky;
    top: 0;
    left: auto;
    right: auto;
    bottom: auto;
    width: 100%;
    max-height: 100vh;
    flex-direction: column;
    gap: 0;
    padding: 0.55rem 0.9rem 0.6rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 16px 34px -28px #000;
    overflow-y: auto;
    transition: box-shadow var(--dur) var(--ease);
  }

  .site-header::before {
    background-size: 100% 38px, 38px 100%;
    opacity: 0.35;
  }

  body.is-scrolled .site-header {
    box-shadow: 0 18px 38px -22px #000;
  }

  .rail-top {
    align-items: center;
    width: 100%;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .brand {
    grid-template-columns: 8px minmax(0, 1fr);
    column-gap: 0.55rem;
  }

  .brand__tick {
    min-height: 28px;
  }

  .brand__name {
    font-size: 1.08rem;
  }

  .brand__season {
    margin-top: 0.14rem;
    font-size: 0.6rem;
    letter-spacing: 0.08em;
  }

  .nav-toggle {
    display: inline-flex;
    flex: none;
  }

  .site-nav {
    display: none;
    flex: 0 0 auto;
    width: 100%;
    margin-top: 0.7rem;
    padding-top: 0.65rem;
    border-top: 1px solid var(--line);
  }

  .rail-foot {
    display: none;
    width: 100%;
    margin-top: 0.8rem;
    padding-top: 0.8rem;
  }

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

  .site-header[data-open] .rail-foot {
    display: flex;
  }

  .site-nav__list {
    gap: 2px;
  }

  .site-nav__link {
    grid-template-columns: 2rem minmax(0, 1fr);
    padding: 0.68rem 0.8rem;
    font-size: 1rem;
  }

  .rail-entries {
    flex-wrap: wrap;
  }

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

@media (max-width: 640px) {
  .footer__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem 1rem;
  }

  .footer__strip {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .lead {
    max-width: none;
  }

  .to-top {
    width: 40px;
    height: 40px;
  }
}

/* ---------------- 无障碍 · 减少动态 ---------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}