/* ============================================================
   九游娱乐赛场 / site.css
   夜场记分牌 × 数据档案室
   ============================================================ */

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

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

html:focus-within { scroll-behavior: smooth; }

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- 变量 ---------- */
:root {
  --ink-900: #0A1F1A;
  --ink-800: #111417;
  --ink-700: #17332B;
  --ink-600: #23443B;
  --cyan: #35F2D0;
  --amber: #F2B84B;
  --rose: #FF4D7E;
  --paper: #EAF4EF;
  --muted: #93AAA1;

  --line: rgba(35, 68, 59, 0.95);
  --line-soft: rgba(147, 170, 161, 0.18);
  --cyan-soft: rgba(53, 242, 208, 0.14);
  --amber-soft: rgba(242, 184, 75, 0.14);

  --shell: 1240px;
  --radius-pill: 999px;
  --radius-panel: 2px;

  --font-display: "Barlow Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-num: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.2, 0.8, 0.3, 1);
}

/* ---------- 基底 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(rgba(53, 242, 208, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 242, 208, 0.032) 1px, transparent 1px);
  background-size: 96px 96px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

#main-content { display: block; scroll-margin-top: 96px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; }

h1 { font-size: clamp(3.2rem, 7.2vw, 7.5rem); line-height: 0.92; }

p { text-wrap: pretty; }

a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }

::selection { background: var(--cyan); color: #04211B; }

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 通用工具 ---------- */
.shell {
  width: min(calc(100% - 32px), var(--shell));
  margin-inline: auto;
}

.section { padding-block: clamp(40px, 6vw, 88px); }

.section-head { display: grid; gap: 12px; margin-bottom: clamp(24px, 3vw, 40px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--amber);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.04;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.lede {
  max-width: 64ch;
  font-size: clamp(16px, 1.4vw, 18px);
  color: var(--muted);
  line-height: 1.72;
}

.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.divider {
  height: 1px;
  border: 0;
  margin: clamp(32px, 5vw, 64px) 0;
  background: linear-gradient(90deg, var(--ink-600), rgba(35, 68, 59, 0));
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--cyan);
  color: #04211B;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.2s var(--ease);
}

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

/* ============================================================
   头部
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 12px 0 0;
  background: rgba(10, 31, 26, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.25s var(--ease), padding 0.25s var(--ease), border-color 0.25s var(--ease);
}

.site-header[data-scrolled] {
  padding-top: 8px;
  background: rgba(10, 31, 26, 0.97);
  border-bottom-color: var(--line-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  pointer-events: none;
}

/* 品牌岛 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(17, 20, 23, 0.88);
  color: var(--paper);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.brand:hover { border-color: rgba(53, 242, 208, 0.5); background: rgba(23, 51, 43, 0.9); }

.brand-mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--paper);
}

.brand-mark--alt { color: var(--cyan); }

.brand-slash {
  width: 2px;
  height: 18px;
  background: linear-gradient(180deg, var(--amber), rgba(242, 184, 75, 0));
  transform: rotate(16deg);
}

.brand-tagline {
  padding-left: 12px;
  border-left: 1px solid var(--line-soft);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 导航岛 */
.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(17, 20, 23, 0.86);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background 0.18s var(--ease);
}

.nav-link:hover { color: var(--paper); background: rgba(35, 68, 59, 0.8); }

.nav-link[aria-current="page"] {
  background: var(--cyan);
  color: #04211B;
  font-weight: 700;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  margin-left: 4px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  background: var(--amber);
  color: #1A1204;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease);
}

.nav-cta:hover { transform: translateY(-2px); background: #ffc766; }

/* 状态条 */
.header-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  width: min(calc(100% - 32px), var(--shell));
  max-height: 40px;
  margin: 8px auto 0;
  padding-bottom: 8px;
  overflow: hidden;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  opacity: 1;
  transition: max-height 0.25s var(--ease), opacity 0.18s var(--ease), padding 0.25s var(--ease);
}

.site-header[data-scrolled] .header-meta {
  max-height: 0;
  padding-bottom: 0;
  opacity: 0;
}

.meta-item { display: inline-flex; align-items: center; gap: 8px; }

.meta-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 242, 208, 0.16);
}

.meta-item--mode { color: var(--amber); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(17, 20, 23, 0.88);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.nav-toggle-bars { display: grid; gap: 4px; }

.nav-toggle-bars span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

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

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 10vw, 140px);
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(53, 242, 208, 0.05) 0 1px, transparent 1px 20px);
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 32px), var(--shell));
  margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) 0 0;
}

.footer-lead {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding-bottom: clamp(24px, 3vw, 40px);
  border-bottom: 1px solid var(--line-soft);
}

.footer-brandline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
  color: var(--paper);
}

.footer-summary {
  max-width: 46ch;
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(23, 51, 43, 0.7);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.footer-contact {
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.footer-contact-title {
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.footer-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}

.footer-strong {
  color: var(--paper);
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}

.footer-note {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--rose);
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 4vw, 48px);
  padding: clamp(24px, 3.4vw, 44px) 0;
}

.footer-col-title {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.footer-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-block;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  opacity: 0.86;
  transition: color 0.18s var(--ease), opacity 0.18s var(--ease), transform 0.18s var(--ease);
}

.footer-link:hover { opacity: 1; color: var(--cyan); transform: translateX(3px); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 20px 0 28px;
  border-top: 1px solid var(--line-soft);
}

.footer-legal-text {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ============================================================
   通用内容组件
   ============================================================ */
.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
}

.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  border-right: 0;
  border-bottom: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.btn--primary { background: var(--cyan); border-color: var(--cyan); color: #04211B; }
.btn--primary:hover { transform: translateY(-2px); background: #5cf7db; }

.btn--ghost { background: rgba(23, 51, 43, 0.6); border-color: var(--line); color: var(--paper); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--cyan); color: var(--cyan); }

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

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(23, 51, 43, 0.55);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.chip:hover { color: var(--paper); border-color: var(--cyan); }

.chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04211B;
  font-weight: 700;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border: 1px solid rgba(53, 242, 208, 0.4);
  border-radius: 3px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.tag--amber { background: var(--amber-soft); border-color: rgba(242, 184, 75, 0.45); color: var(--amber); }
.tag--rose { background: rgba(255, 77, 126, 0.14); border-color: rgba(255, 77, 126, 0.45); color: var(--rose); }

.stat { display: grid; gap: 6px; }

.stat-value {
  font-family: var(--font-num);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.stat-label {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* 图片容器基础规则 */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
}

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 242, 208, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 242, 208, 0.1) 1px, transparent 1px);
  background-size: 34px 34px;
  opacity: 0.45;
  mix-blend-mode: screen;
  pointer-events: none;
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.media-cap {
  margin-top: 8px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }

.breadcrumb li + li::before { content: "/"; color: var(--ink-600); }

.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* 长文 */
.prose {
  max-width: 66ch;
  font-size: 17px;
  line-height: 1.78;
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 {
  margin-top: 2em;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
}

.prose h3 { margin-top: 1.6em; font-size: 20px; line-height: 1.3; }

.prose p { color: #cfdcd6; }

.prose ul, .prose ol { padding-left: 1.2em; }
.prose li + li { margin-top: 0.4em; }

.prose strong { color: var(--paper); font-weight: 600; }

.prose blockquote {
  padding-left: 16px;
  border-left: 3px solid var(--amber);
  color: var(--muted);
}

.prose > h2 + p,
.prose > h3 + p { margin-top: 0.6em; }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .brand-tagline { display: none; }
  .nav-link { padding: 0 11px; font-size: 13px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 120;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: 22px;
    border-color: var(--line);
    background: rgba(10, 31, 26, 0.98);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
    box-shadow: 0 -12px 44px rgba(0, 0, 0, 0.55);
    max-height: 72vh;
    overflow: auto;
    transform: translateY(calc(100% + 28px));
    opacity: 0;
    visibility: hidden;
    transition: transform 0.28s var(--ease), opacity 0.2s var(--ease), visibility 0s linear 0.28s;
  }

  .site-nav[data-open] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    transition: transform 0.28s var(--ease), opacity 0.2s var(--ease), visibility 0s;
  }

  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }

  .nav-link {
    min-height: 48px;
    padding: 0 16px;
    border-radius: 14px;
    font-size: 15px;
    justify-content: flex-start;
  }

  .nav-cta {
    min-height: 48px;
    margin-left: 0;
    border-radius: 14px;
  }

  .header-meta { display: none; }

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

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

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

  .footer-legal { flex-direction: column; }

  .brand { padding: 6px 14px; min-height: 44px; }
}

@media (max-width: 420px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .brand-mark { font-size: 17px; }
  .nav-toggle-text { display: none; }
}

/* ============================================================
   可访问性 / 减弱动效
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .site-nav { transition: none; }
  .header-progress { transition: none; }
}