/* ==========================================================================
   GOGO赛场 · 共享样式 /assets/site.css
   夜场墨绿底 + 荧光青柠行动色 + 暖琥珀标注 + 档案冷白对照
   ========================================================================== */

*,
*::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, figure, figcaption, blockquote,
dl, dt, dd, address { margin: 0; padding: 0; }

ul, ol { 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;
  cursor: pointer;
}

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

:root {
  --ink: #0C1F1A;
  --ink-2: #14302A;
  --lime: #C6F24A;
  --lime-deep: #94BF25;
  --amber: #E8A33D;
  --paper: #F4F1E9;
  --paper-ink: #1E2422;
  --moss: #A9B8B0;
  --line: #4A5F57;
  --clay: #D9483B;
  --block: #151C1A;

  --font-display: "Archivo Narrow", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --gutter: 64px;
  --gap: 24px;
  --shell: 1360px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --step-fast: 140ms;
  --step-base: 180ms;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(244, 241, 233, .055) 1px, transparent 1.7px),
    radial-gradient(circle at 3px 4px, rgba(198, 242, 74, .045) 1px, transparent 1.7px);
  background-size: 5px 5px, 11px 11px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--paper);
}

h1 { font-size: clamp(34px, 4.6vw, 64px); }
h2 { font-size: clamp(26px, 3.1vw, 48px); }
h3 { font-size: clamp(20px, 1.8vw, 26px); }
h4 { font-size: 20px; }

p { max-width: 40em; }

::selection {
  background: var(--lime);
  color: var(--ink);
}

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

/* --------------------------------------------------------------------------
   通用工具类
   -------------------------------------------------------------------------- */

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

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

.prose > p { max-width: 38em; }
.prose > p + p { margin-top: 1.1em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--moss);
}

.eyebrow::before {
  content: "";
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  background: var(--lime);
}

.panel {
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 22px;
}

/* --------------------------------------------------------------------------
   面包屑
   -------------------------------------------------------------------------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--moss);
}

.breadcrumb__link {
  color: var(--moss);
  border-bottom: 1px solid transparent;
  transition: color var(--step-fast) var(--ease), border-color var(--step-fast) var(--ease);
}

.breadcrumb__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

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

/* --------------------------------------------------------------------------
   按钮
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--step-fast) var(--ease),
              color var(--step-fast) var(--ease),
              border-color var(--step-fast) var(--ease);
}

.btn--lime {
  background: var(--lime);
  color: var(--ink);
  border-color: var(--lime);
}

.btn--lime:hover {
  background: var(--lime-deep);
  border-color: var(--lime-deep);
  color: var(--ink);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line);
}

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

.btn--sm {
  padding: 8px 13px;
  font-size: 12px;
}

/* --------------------------------------------------------------------------
   状态标签
   -------------------------------------------------------------------------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: .04em;
  white-space: nowrap;
}

.tag--lime {
  color: var(--lime);
  background: rgba(198, 242, 74, .12);
}

.tag--amber {
  color: var(--amber);
  background: rgba(232, 163, 61, .14);
}

.tag--clay {
  color: var(--clay);
  background: rgba(217, 72, 59, .14);
}

.tag--ghost {
  color: var(--moss);
  background: transparent;
}

/* --------------------------------------------------------------------------
   图片容器基座（页面阶段放置 .media-frame__img）
   -------------------------------------------------------------------------- */

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--ink-2);
  border: 1px solid var(--line);
  background-image:
    linear-gradient(to right, rgba(74, 95, 87, .45) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(74, 95, 87, .45) 1px, transparent 1px);
  background-size: 32px 32px;
}

.media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.06);
}

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

/* --------------------------------------------------------------------------
   Skip link
   -------------------------------------------------------------------------- */

.skip-link {
  position: fixed;
  left: 16px;
  top: -90px;
  z-index: 300;
  display: inline-block;
  padding: 10px 16px;
  background: var(--lime);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  transition: top var(--step-base) var(--ease);
}

.skip-link:focus {
  top: 16px;
}

/* ==========================================================================
   头部：紧凑命令栏
   ========================================================================== */

.cmd-bar {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(12, 31, 26, .96);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.cmd-bar__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(74, 95, 87, .35);
  pointer-events: none;
}

.cmd-bar__progress-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--lime-deep), var(--lime));
}

.cmd-bar__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 12px var(--gutter);
  transition: padding var(--step-base) var(--ease);
}

.cmd-bar[data-shrink="true"] .cmd-bar__inner {
  padding-top: 7px;
  padding-bottom: 7px;
}

/* 品牌 ---------------------------------------------------------------- */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--paper);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  background: var(--lime);
  color: var(--ink);
  transition: background-color var(--step-fast) var(--ease);
}

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

.brand__name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--paper);
}

.brand__tag {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--moss);
  white-space: nowrap;
}

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

.brand--footer .brand__mark {
  width: 38px;
  height: 38px;
}

.brand--footer .brand__name { font-size: 22px; }

/* 导航 ---------------------------------------------------------------- */

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

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

.nav__item { flex: 0 0 auto; }

.nav__link {
  display: block;
  padding: 8px 11px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--moss);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color var(--step-fast) var(--ease),
              background-color var(--step-fast) var(--ease),
              border-color var(--step-fast) var(--ease);
}

.nav__link:hover {
  color: var(--paper);
  background: rgba(74, 95, 87, .28);
}

.nav__link[aria-current="page"] {
  color: var(--lime);
  border-bottom-color: var(--lime);
  background: rgba(198, 242, 74, .08);
}

/* 移动导航按钮 -------------------------------------------------------- */

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--paper);
  transition: border-color var(--step-fast) var(--ease), color var(--step-fast) var(--ease);
}

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

.nav-toggle__box {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
  flex: 0 0 auto;
}

.nav-toggle__bar {
  display: block;
  height: 1.5px;
  width: 100%;
  background: currentColor;
  transition: transform var(--step-base) var(--ease), opacity var(--step-base) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
}

/* 右侧工具区 ---------------------------------------------------------- */

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

.dock__trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid var(--lime);
  background: transparent;
  color: var(--lime);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .01em;
  transition: background-color var(--step-fast) var(--ease), color var(--step-fast) var(--ease);
}

.dock__trigger-icon {
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.dock__trigger:hover,
.dock__trigger[aria-expanded="true"] {
  background: var(--lime);
  color: var(--ink);
}

.dock__count {
  padding: 1px 5px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.5;
}

.dock__trigger:hover .dock__count,
.dock__trigger[aria-expanded="true"] .dock__count {
  background: var(--ink);
  color: var(--lime);
}

.quick-link {
  padding: 6px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--paper);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  text-decoration-color: var(--line);
  transition: color var(--step-fast) var(--ease), text-decoration-color var(--step-fast) var(--ease);
}

.quick-link:hover {
  color: var(--lime);
  text-decoration-color: var(--lime);
}

.device-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--moss);
  white-space: nowrap;
}

.device-chip__dot {
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  background: var(--lime);
}

/* 收藏抽屉 ------------------------------------------------------------ */

.dock {
  display: none;
  position: absolute;
  top: 100%;
  right: var(--gutter);
  z-index: 90;
  width: min(540px, calc(100vw - 40px));
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--lime);
}

.dock[data-open="true"] { display: block; }

.dock__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: var(--block);
  border-bottom: 1px solid var(--line);
}

.dock__kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.dock__title {
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.dock__close {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--moss);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  transition: color var(--step-fast) var(--ease), border-color var(--step-fast) var(--ease);
}

.dock__close:hover {
  color: var(--clay);
  border-color: var(--clay);
}

.dock__list {
  max-height: 46vh;
  overflow-y: auto;
}

.dock__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(74, 95, 87, .5);
  transition: background-color var(--step-fast) var(--ease);
}

.dock__item:last-child { border-bottom: 0; }
.dock__item:hover { background: rgba(198, 242, 74, .06); }

.dock__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: color var(--step-fast) var(--ease), border-color var(--step-fast) var(--ease);
}

.dock__link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

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

.dock__time {
  font-size: 11px;
  color: var(--moss);
}

.dock__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 18px;
  background: var(--block);
  border-top: 1px solid var(--line);
}

/* ==========================================================================
   页脚
   ========================================================================== */

.site-footer {
  position: relative;
  margin-top: 110px;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  color: var(--moss);
}

.site-footer__wedge {
  position: absolute;
  left: 0;
  right: 0;
  top: -64px;
  height: 64px;
  background: var(--ink-2);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(200px, 1.1fr) minmax(0, 1.9fr) minmax(230px, 1.15fr);
  gap: 48px var(--gap);
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 56px var(--gutter) 44px;
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.site-footer__blurb {
  max-width: 22em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
}

.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  align-items: start;
}

.foot__col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.foot__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lime);
}

.foot__list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.foot__link {
  font-size: 14px;
  color: var(--moss);
  border-bottom: 1px solid transparent;
  transition: color var(--step-fast) var(--ease), border-color var(--step-fast) var(--ease);
}

.foot__link:hover {
  color: var(--paper);
  border-bottom-color: var(--lime);
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
}

.contact-label {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--line);
}

.contact-value {
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter) 26px;
  border-top: 1px solid var(--line);
}

.site-footer__copy {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--moss);
}

.site-footer__note {
  max-width: 62ch;
  font-size: 12px;
  line-height: 1.6;
  color: var(--moss);
}

/* ==========================================================================
   响应式
   ========================================================================== */

@media (max-width: 1180px) {
  :root { --gutter: 40px; }

  .cmd-bar__tools .device-chip { display: none; }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px var(--gap);
  }

  .site-footer__contact { grid-column: 1 / -1; }

  .contact-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px 36px;
  }

  .contact-row { grid-template-columns: 44px auto; }
}

@media (max-width: 960px) {
  :root { --gutter: 28px; }

  .cmd-bar__inner {
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
  }

  .cmd-bar[data-shrink="true"] .cmd-bar__inner {
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .brand { order: 1; }

  .cmd-bar__tools {
    order: 2;
    margin-left: auto;
    gap: 8px;
  }

  .quick-link { display: none; }

  .nav-toggle {
    order: 3;
    display: inline-flex;
  }

  .nav {
    order: 4;
    flex: 1 0 100%;
    display: none;
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px solid var(--line);
  }

  .nav[data-open="true"] { display: block; }

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

  .nav__link {
    padding: 13px 4px;
    font-size: 15px;
    border-bottom: 1px solid rgba(74, 95, 87, .45);
  }

  .nav__link:hover { background: rgba(74, 95, 87, .2); }

  .nav__link[aria-current="page"] {
    border-bottom-color: var(--lime);
    background: rgba(198, 242, 74, .08);
  }

  .dock {
    right: var(--gutter);
    left: var(--gutter);
    width: auto;
  }

  .site-footer { margin-top: 84px; }

  .site-footer__inner {
    padding-top: 40px;
    padding-bottom: 32px;
  }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }

  body { font-size: 16px; }

  .brand__tag { display: none; }
  .brand__name { font-size: 16px; }

  .dock__trigger {
    padding: 8px;
    gap: 5px;
  }

  .dock__trigger-label { display: none; }

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

  .dock__meta { width: 100%; justify-content: space-between; }

  .dock__foot .btn { flex: 1 1 auto; }

  .site-footer__wedge {
    height: 40px;
    top: -40px;
  }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

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

  .contact-list { flex-direction: column; }

  .site-footer__legal {
    flex-direction: column;
    gap: 10px;
  }

  .media-frame--wide { aspect-ratio: 16 / 10; }
  .media-frame--tall { aspect-ratio: 4 / 5; }
}

@media (max-width: 380px) {
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 8px; }
}

/* ==========================================================================
   动效降级
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }

  .skip-link { transition: none; }
}