/* 爱游戏赛事 · 共享站点样式 /assets/site.css
   数据竞技场外壳：命令栏页头 + 赛后落格页脚 */

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

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

body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, picture, video, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }

/* ============ 2. 变量 ============ */
:root {
  /* 品牌色板 */
  --ink-900: #0A1220;
  --ink-600: #12203A;
  --ink-400: #1E3358;
  --orange: #FF6A1F;
  --orange-soft: #FFB27A;
  --cyan: #33D6C6;
  --cyan-deep: #1B8F86;
  --paper: #F4EFE6;
  --slate: #8FA0BC;
  --coral: #E8563F;

  /* 语义色 */
  --bg: var(--ink-900);
  --surface: var(--ink-600);
  --line: rgba(30, 51, 88, 0.95);
  --line-soft: rgba(143, 160, 188, 0.18);
  --text: var(--paper);
  --muted: var(--slate);
  --accent: var(--orange);
  --accent-2: var(--cyan);

  /* 字体 */
  --ff-display: "Archivo Black", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --ff-data: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ff-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  /* 度量 */
  --wrap: 1360px;
  --pad: clamp(18px, 4vw, 56px);
  --radius: 3px;
  --t: 0.22s;
  --ease: cubic-bezier(0.22, 0.72, 0.28, 1);
}

/* ============ 3. 基础排版 ============ */
body {
  min-height: 100vh;
  background:
    radial-gradient(1100px 620px at 84% -14%, rgba(51, 214, 198, 0.10), transparent 62%),
    radial-gradient(900px 560px at 4% 2%, rgba(255, 106, 31, 0.09), transparent 58%),
    var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  overflow-x: hidden;
}

/* 战术板底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(143, 160, 188, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 160, 188, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 76%);
  mask-image: radial-gradient(circle at 50% 24%, #000 0%, transparent 76%);
}

.hud, .site-main, .foot { position: relative; z-index: 1; }

h1, h2, h3, h4 { font-family: var(--ff-display); font-weight: 900; letter-spacing: -0.02em; line-height: 1.1; }

p { max-width: 68ch; }

.mono {
  font-family: var(--ff-data);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange-soft);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--orange);
  flex: 0 0 auto;
}

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 2px;
}

#main-content:focus-visible { outline-offset: -3px; }

[id] { scroll-margin-top: 140px; }

/* ============ 4. 布局容器 ============ */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.site-main { display: block; padding-bottom: clamp(40px, 6vw, 80px); }

.grid { display: grid; gap: clamp(14px, 2vw, 26px); }

.grid--rail {
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(20px, 3vw, 48px);
  align-items: start;
}

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

.section { padding-block: clamp(44px, 7vw, 96px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line);
}

/* ============ 5. 面板 / 标签 ============ */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 2.4vw, 28px);
}

.panel--glass {
  background: rgba(30, 51, 88, 0.42);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-color: var(--line-soft);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: rgba(18, 32, 58, 0.72);
  color: var(--slate);
  font-family: var(--ff-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--cyan { background: var(--cyan); border-color: var(--cyan); color: var(--ink-900); }
.tag--orange { background: var(--orange); border-color: var(--orange); color: var(--ink-900); }

/* ============ 6. 图片容器（页面阶段放图） ============ */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: var(--frame-ratio, 16 / 9);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  isolation: isolate;
  background:
    linear-gradient(138deg, rgba(51, 214, 198, 0.20), rgba(255, 106, 31, 0.16) 56%, rgba(18, 32, 58, 0.92)),
    var(--ink-600);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(244, 239, 230, 0.07) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(244, 239, 230, 0.07) 0 1px, transparent 1px 44px);
  opacity: 0.6;
}

.media-frame:has(> img, > picture)::after { display: none; }

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

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

.media-frame__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  max-width: calc(100% - 24px);
  padding: 5px 10px;
  border-radius: 2px;
  background: rgba(10, 18, 32, 0.82);
  border: 1px solid var(--line);
  color: var(--paper);
  font-family: var(--ff-data);
  font-size: 11px;
  letter-spacing: 0.08em;
}

/* ============ 7. 面包屑 / 正文 ============ */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 2.4vw, 30px);
  font-family: var(--ff-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.crumbs li { display: flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: rgba(143, 160, 188, 0.45); }
.crumbs a { color: var(--slate); text-decoration: none; transition: color var(--t) var(--ease); }
.crumbs a:hover { color: var(--orange-soft); }
.crumbs [aria-current="page"] { color: var(--paper); }

.prose { max-width: 68ch; font-size: 17px; line-height: 1.85; color: rgba(244, 239, 230, 0.86); }
.prose > * + * { margin-top: 1.05em; }
.prose h2 {
  font-size: clamp(24px, 2.6vw, 32px);
  color: var(--paper);
  margin-top: 1.9em;
  letter-spacing: -0.01em;
}
.prose h3 { font-size: clamp(19px, 2vw, 23px); color: var(--paper); margin-top: 1.6em; }
.prose strong { color: var(--paper); font-weight: 700; }
.prose a { color: var(--cyan); text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.25em; }
.prose ul li { list-style: square; }
.prose ol li { list-style: decimal; }
.prose li + li { margin-top: 0.45em; }
.prose blockquote {
  border-left: 2px solid var(--orange);
  padding-left: 18px;
  color: var(--slate);
}

/* ============ 8. 跳过链接 ============ */
.skip-link {
  position: fixed;
  left: 16px;
  top: -120px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 2px;
  background: var(--orange);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--t) var(--ease);
}

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

/* ============ 9. 页头 · 命令栏 ============ */
.hud {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(10, 18, 32, 0.97), rgba(10, 18, 32, 0.86));
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.hud__bar {
  border-bottom: 1px solid rgba(30, 51, 88, 0.7);
  background: rgba(18, 32, 58, 0.4);
}

.hud__bar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 18px;
  padding-block: 8px;
}

.hud__status {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: none;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.hud__dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(51, 214, 198, 0.14);
  animation: hudPulse 2.6s ease-in-out infinite;
}

@keyframes hudPulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 3px rgba(51, 214, 198, 0.14); }
  50% { opacity: 0.5; box-shadow: 0 0 0 6px rgba(51, 214, 198, 0); }
}

.hud__sep { color: rgba(143, 160, 188, 0.4); }

.hud__meta {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(143, 160, 188, 0.75);
  max-width: none;
}

.hud__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  padding-block: 13px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--text);
}

.brand__mark {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  align-items: end;
  gap: 3px;
  height: 26px;
}

.brand__mark i { display: block; border-radius: 1px; background: var(--orange); }
.brand__mark i:nth-child(1) { height: 12px; }
.brand__mark i:nth-child(2) { height: 26px; background: var(--cyan); }
.brand__mark i:nth-child(3) { height: 18px; background: var(--orange-soft); }

.brand__text { display: block; }
.brand__name {
  display: block;
  font-family: var(--ff-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.brand__sub {
  display: block;
  margin-top: 2px;
  font-family: var(--ff-data);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

/* 导航 */
.hud__nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  justify-content: center;
}

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

.nav-link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--slate);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease),
              border-color var(--t) var(--ease);
}

.nav-link__idx {
  font-size: 10px;
  color: rgba(143, 160, 188, 0.55);
  transition: color var(--t) var(--ease);
}

.nav-link:hover { color: var(--paper); background: rgba(30, 51, 88, 0.65); }
.nav-link:hover .nav-link__idx { color: var(--orange-soft); }

.nav-link[aria-current="page"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-900);
  font-weight: 700;
}
.nav-link[aria-current="page"] .nav-link__idx { color: rgba(10, 18, 32, 0.6); }

/* 行动区 */
.hud__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--text);
  font-family: var(--ff-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease),
              border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

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

.btn--primary {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-900);
}
.btn--primary:hover { background: var(--orange-soft); border-color: var(--orange-soft); }

.btn--sm { padding: 7px 12px; font-size: 13px; }

/* 移动按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  margin-left: auto;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

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

.nav-toggle__box { display: grid; gap: 4px; width: 18px; }
.nav-toggle__box span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--t) var(--ease), opacity var(--t) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__box span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 滚动进度 */
.hud__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  z-index: 2;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

/* ============ 10. 页脚 ============ */
.foot {
  margin-top: clamp(56px, 8vw, 112px);
  background: linear-gradient(180deg, rgba(18, 32, 58, 0.6), var(--ink-600) 72%);
  border-top: 1px solid var(--line);
}

.foot__top {
  display: grid;
  grid-template-columns: minmax(230px, 1fr) minmax(0, 2fr);
  gap: clamp(30px, 5vw, 72px);
  padding-block: clamp(38px, 6vw, 70px) clamp(26px, 4vw, 44px);
}

.foot__brand-name {
  max-width: none;
  font-family: var(--ff-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.foot__brand-line {
  max-width: none;
  margin-top: 10px;
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.foot__brand-note {
  max-width: 36ch;
  margin-top: 14px;
  color: var(--slate);
  font-size: 13px;
  line-height: 1.8;
}

.foot__stamp {
  max-width: none;
  margin-top: 22px;
  color: rgba(143, 160, 188, 0.7);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.foot__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}

.foot-col__title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--ff-data);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange-soft);
  line-height: 1.6;
}

.foot-links { display: grid; gap: 9px; }

.foot-links a {
  display: inline-block;
  color: var(--slate);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--t) var(--ease), transform var(--t) var(--ease);
}
.foot-links a:hover { color: var(--paper); transform: translateX(3px); }

.foot__contact {
  display: grid;
  gap: 8px;
  padding-block: 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.foot__contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  max-width: none;
  font-size: 13px;
  color: rgba(244, 239, 230, 0.9);
}

.foot__label {
  flex: 0 0 auto;
  min-width: 64px;
  font-family: var(--ff-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.foot__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-block: 22px 30px;
}

.foot__legal {
  max-width: none;
  font-family: var(--ff-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.foot__copy {
  max-width: none;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease),
              background-color var(--t) var(--ease);
}

.to-top:hover { color: var(--orange); border-color: var(--orange); background: rgba(255, 106, 31, 0.08); }

.to-top__arrow { font-family: var(--ff-data); font-size: 13px; line-height: 1; }

/* ============ 11. 滚动显现 ============ */
[data-reveal] { transition: opacity var(--t) var(--ease), transform var(--t) var(--ease); }

html.js-reveal [data-reveal] { opacity: 0; transform: translateY(12px); }
html.js-reveal [data-reveal].is-in { opacity: 1; transform: none; }

/* 章节跟随激活态（页面可细化） */
[data-section-link].is-active { color: var(--orange-soft); }

/* ============ 12. 响应式 ============ */
@media (max-width: 1180px) {
  .hud__actions .btn--ghost { display: none; }
}

@media (max-width: 1080px) {
  .nav-toggle { display: inline-flex; }

  .hud__inner { flex-wrap: wrap; }

  .hud__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    display: none;
    flex: none;
    margin: 0;
    padding: 14px var(--pad) 22px;
    background: rgba(10, 18, 32, 0.985);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 26px 52px rgba(0, 0, 0, 0.55);
    max-height: calc(100vh - 130px);
    overflow-y: auto;
  }

  .hud__nav[data-open] { display: block; }

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

  .nav-link {
    justify-content: flex-start;
    padding: 13px 12px;
    font-size: 16px;
    border-color: transparent;
  }

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

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

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

@media (max-width: 720px) {
  body { font-size: 16px; }

  .hud__bar-inner { padding-block: 7px; }
  .hud__status { font-size: 11px; gap: 7px; }
  .hud__meta { display: none; }

  .hud__inner { padding-block: 10px; gap: 10px; }
  .brand__name { font-size: 17px; }
  .brand__sub { font-size: 9px; letter-spacing: 0.12em; }
  .brand__mark { height: 22px; }
  .brand__mark i:nth-child(2) { height: 22px; }

  .hud__actions { gap: 6px; }
  .btn--sm { padding: 7px 10px; font-size: 12px; }

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

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

  .foot__bottom { justify-content: flex-start; }

  .section__head { align-items: flex-start; }
}

@media (max-width: 460px) {
  .foot__cols { grid-template-columns: minmax(0, 1fr); }
  .hud__actions .btn--primary { padding: 7px 9px; }
}

/* ============ 13. 减少动效 ============ */
@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;
    scroll-behavior: auto !important;
  }

  html.js-reveal [data-reveal] { opacity: 1; transform: none; }
  .btn:hover { transform: none; }
  .foot-links a:hover { transform: none; }
}