/* ============================================================
   开云体育主站 · 共享样式 /assets/site.css
   夜场战术板 · 非对称编辑部版式 · 框架式导航
   ============================================================ */

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

html {
  margin: 0;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: clamp(112px, 16vh, 168px);
}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { width: 100%; border-collapse: collapse; }
fieldset { border: 0; padding: 0; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink: #0B1F3A;
  --ink-deep: #08182C;
  --panel: #10345C;
  --field: #2F6B4F;
  --moss: #5C7A5A;
  --neon: #D7FF3F;
  --paper: #F5F7F2;
  --stone: #343A40;
  --clay: #B06A4A;
  --cream: #EDE6D6;
  --alert: #FF7A3D;

  --line: rgba(245, 247, 242, .16);
  --line-strong: rgba(245, 247, 242, .34);
  --muted: rgba(245, 247, 242, .66);
  --muted-soft: rgba(245, 247, 242, .46);

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, "Courier New", monospace;

  --wrap: 1320px;
  --gutter: clamp(16px, 4vw, 48px);
  --shadow-hard: 8px 8px 0 var(--stone);
  --shadow-soft: 5px 5px 0 rgba(52, 58, 64, .85);
  --radius-0: 0;
}

/* ---------- 3. 基础排版 ---------- */
body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: clamp(15px, .55vw + 13.6px, 17px);
  line-height: 1.8;
  letter-spacing: .012em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

main { display: block; flex: 1 0 auto; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.005em;
  text-wrap: balance;
}

h1 { font-size: clamp(40px, 7.2vw, 112px); }
h2 { font-size: clamp(28px, 4vw, 56px); }
h3 { font-size: clamp(21px, 2.2vw, 32px); }
h4 { font-size: clamp(18px, 1.6vw, 23px); }

p { text-wrap: pretty; }
strong, b { font-weight: 700; }

code, kbd, samp, pre {
  font-family: var(--font-mono);
  font-size: .92em;
  letter-spacing: .02em;
}

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

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

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

.section { padding-block: clamp(44px, 7vw, 92px); }
.section--tight { padding-block: clamp(24px, 4vw, 48px); }

.section-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(22px, 3vw, 40px);
  max-width: 72ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--neon);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--field);
  display: block;
}

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

@media (max-width: 899px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

.grid-span-12 { grid-column: span 12; }
.grid-span-9  { grid-column: span 9; }
.grid-span-8  { grid-column: span 8; }
.grid-span-7  { grid-column: span 7; }
.grid-span-6  { grid-column: span 6; }
.grid-span-5  { grid-column: span 5; }
.grid-span-4  { grid-column: span 4; }
.grid-span-3  { grid-column: span 3; }

@media (max-width: 899px) {
  .grid-span-9, .grid-span-8, .grid-span-7, .grid-span-6,
  .grid-span-5, .grid-span-4, .grid-span-3 { grid-column: span 6; }
}

.hairline {
  height: 2px;
  background: var(--line);
  border: 0;
}

/* ---------- 5. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 300;
  padding: 11px 20px;
  background: var(--neon);
  color: var(--ink);
  border: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  transform: translateY(-180%);
  transition: transform .18s ease;
}

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

/* ---------- 6. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--ink);
  border-bottom: 3px solid var(--stone);
}

/* 顶部状态条 —— 导航成为页面边框的一部分 */
.header-ticker {
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.ticker-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  color: var(--muted-soft);
}

.ticker-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dot {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  background: var(--field);
  display: inline-block;
}

.ticker-ver {
  color: var(--neon);
  font-weight: 700;
  letter-spacing: .14em;
  white-space: nowrap;
}

.header-frame {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 12px;
}

.header-brand { display: flex; align-items: center; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  background: var(--field);
  color: var(--neon);
  border: 2px solid var(--neon);
  box-shadow: 4px 4px 0 var(--stone);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
}

.brand-text { display: grid; gap: 2px; }

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(19px, 1.6vw, 24px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .03em;
}

.brand-tagline {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  color: var(--neon);
  line-height: 1.2;
}

/* 移动端目录按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 2px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

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

.nav-toggle[aria-expanded="true"] {
  background: var(--field);
  border-color: var(--neon);
  color: var(--paper);
}

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

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: currentColor;
  transition: transform .2s ease, top .2s ease;
}

.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { top: 8px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { top: 4px; transform: rotate(-45deg); }

/* 导航：移动端抽屉 */
.site-nav {
  flex-basis: 100%;
  width: 100%;
  display: none;
}

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

.nav-list {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--field);
  margin-top: 10px;
  padding-top: 6px;
}

.nav-item { display: block; }

.nav-link {
  display: block;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--paper);
  transition: background .16s ease, color .16s ease, padding-left .16s ease;
}

.nav-link:hover {
  background: var(--field);
  color: var(--paper);
  padding-left: 14px;
}

.nav-link[aria-current="page"] {
  background: var(--neon);
  color: var(--ink);
  font-weight: 700;
  padding-left: 14px;
}

.nav-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 18px 6px 10px;
}

.nav-aside-note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted-soft);
}

/* 导航：桌面端格栅 */
@media (min-width: 960px) {
  .header-frame { flex-wrap: nowrap; padding-block: 16px; }

  .nav-toggle { display: none; }

  .site-nav,
  .site-nav[data-open="true"] {
    display: flex;
    flex-basis: auto;
    width: auto;
    align-items: center;
    gap: clamp(10px, 1.6vw, 24px);
  }

  .nav-list {
    flex-direction: row;
    align-items: stretch;
    border-top: 0;
    margin-top: 0;
    padding-top: 0;
    border-left: 2px solid var(--field);
  }

  .nav-link {
    padding: 11px 15px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    font-family: var(--font-body);
    font-size: 14.5px;
    font-weight: 500;
    letter-spacing: .02em;
  }

  .nav-link:hover { padding-left: 15px; }
  .nav-link[aria-current="page"] { padding-left: 15px; }

  .nav-aside { padding: 0; flex-direction: row; align-items: center; gap: 12px; }
  .nav-aside-note { display: none; }
}

@media (min-width: 1180px) {
  .nav-aside-note { display: block; max-width: 140px; line-height: 1.45; }
}

/* 阅读进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  background: rgba(245, 247, 242, .10);
  overflow: hidden;
}

.scroll-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--neon);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 2px solid var(--neon);
  background: transparent;
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}

.btn:hover {
  background: var(--neon);
  color: var(--ink);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--stone);
}

.btn-neon {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
  font-weight: 700;
}

.btn-neon:hover { background: var(--paper); border-color: var(--paper); }

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

.btn-ghost:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

/* ---------- 8. 面包屑 ---------- */
.breadcrumb {
  padding-block: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted-soft);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb li { display: inline-flex; align-items: center; }

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--moss);
}

.breadcrumb a { transition: color .15s ease; }
.breadcrumb a:hover { color: var(--neon); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* ---------- 9. 面板与正文 ---------- */
.panel {
  background: var(--panel);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3vw, 36px);
}

.panel--paper {
  background: var(--cream);
  border-color: var(--stone);
  color: var(--ink);
}

.panel--paper a { border-bottom: 2px solid var(--clay); }

.panel--field {
  background: var(--field);
  border-color: var(--neon);
}

.prose {
  max-width: 68ch;
  font-size: clamp(15.5px, .5vw + 14.4px, 17px);
  line-height: 1.9;
  color: rgba(245, 247, 242, .88);
}

.prose > * + * { margin-top: 1.15em; }

.prose h2,
.prose h3 { margin-top: 1.8em; color: var(--paper); }

.prose ul,
.prose ol { padding-left: 1.35em; }
.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: .5em; }
.prose li::marker { color: var(--neon); }

.prose blockquote {
  border-left: 4px solid var(--field);
  padding-left: 18px;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 1.12em;
}

.prose code {
  background: rgba(215, 255, 63, .12);
  color: var(--neon);
  padding: 2px 6px;
}

.panel--paper .prose { color: var(--ink); }
.panel--paper .prose li::marker { color: var(--clay); }
.panel--paper .prose code { background: rgba(11, 31, 58, .1); color: var(--ink); }

/* ---------- 10. 图片容器基座 ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: var(--panel);
  border: 3px solid var(--stone);
  box-shadow: var(--shadow-hard);
}

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

.media-frame[data-ratio="16x9"] { aspect-ratio: 16 / 9; }
.media-frame[data-ratio="4x3"]  { aspect-ratio: 4 / 3; }
.media-frame[data-ratio="3x2"]  { aspect-ratio: 3 / 2; }
.media-frame[data-ratio="3x4"]  { aspect-ratio: 3 / 4; }
.media-frame[data-ratio="1x1"]  { aspect-ratio: 1 / 1; }

.media-frame--diagonal > img { transform: scale(1.05) rotate(-.6deg); }

.media-frame--grid {
  background-image:
    linear-gradient(to right, rgba(245, 247, 242, .08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 247, 242, .08) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ---------- 11. 标签与标签云 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(245, 247, 242, .84);
  white-space: nowrap;
}

.tag[data-tone="field"] { background: var(--field); border-color: var(--field); color: var(--paper); }
.tag[data-tone="neon"]  { background: var(--neon); border-color: var(--neon); color: var(--ink); font-weight: 700; }
.tag[data-tone="clay"]  { background: var(--clay); border-color: var(--clay); color: var(--paper); }
.tag[data-tone="alert"] { background: var(--alert); border-color: var(--alert); color: var(--ink); }
.tag[data-tone="moss"]  { background: var(--moss); border-color: var(--moss); color: var(--paper); }

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 247, 242, .82);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}

.tag-cloud-item:hover {
  border-color: var(--neon);
  color: var(--neon);
  background: rgba(215, 255, 63, .08);
}

.tag-cloud-item[data-active="true"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 12. 显现 ---------- */
.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
}

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

/* ---------- 13. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 104px);
  background: var(--ink-deep);
  border-top: 3px solid var(--stone);
  color: rgba(245, 247, 242, .78);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  padding-block: clamp(38px, 6vw, 76px);
}

@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.5fr .85fr .85fr 1.2fr; }
}

.footer-brand { display: grid; gap: 12px; align-content: start; }

.footer-name {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.footer-summary {
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.footer-ver {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--neon);
}

.footer-col { display: block; }

.footer-col-title {
  display: block;
  margin-bottom: 14px;
  padding-left: 12px;
  border-left: 3px solid var(--moss);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--cream);
}

.footer-list { display: grid; }

.footer-list a {
  display: block;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  color: rgba(245, 247, 242, .8);
  transition: color .15s ease, padding-left .15s ease, border-color .15s ease;
}

.footer-list a:hover {
  color: var(--neon);
  padding-left: 8px;
  border-color: var(--neon);
}

.footer-contact { display: block; }

.contact-list { display: grid; gap: 12px; }

.contact-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  align-items: start;
}

.contact-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--neon);
  padding-top: 3px;
}

.contact-value {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cream);
  word-break: break-word;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 26px;
  padding-block: 18px 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--muted-soft);
}

.footer-copy { white-space: nowrap; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-legal a { color: rgba(245, 247, 242, .72); transition: color .15s ease; }
.footer-legal a:hover { color: var(--neon); }

.footer-icp { color: var(--muted-soft); }

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 2px solid var(--line-strong);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  opacity: .5;
  transition: opacity .2s ease, border-color .2s ease, color .2s ease, transform .15s ease;
}

.to-top[data-active="true"] {
  opacity: 1;
  border-color: var(--neon);
  color: var(--neon);
}

.to-top:hover { transform: translateY(-2px); }

/* ---------- 14. 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .skip-link { transition: none; }

  .js-ready [data-reveal] { opacity: 1; transform: none; }

  .btn:hover,
  .to-top:hover { transform: none; }
}

@media print {
  .site-header, .site-footer, .scroll-progress, .to-top { display: none !important; }
  body { background: #fff; color: #000; }
}