/* =========================================================
   利发体育主站 · 共享样式 /assets/site.css
   深夜体育数据室 · 非对称编辑部版式
   ========================================================= */

/* ---------- 0. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: #071019;
  background-image:
    linear-gradient(180deg, rgba(46, 230, 214, 0.055), rgba(7, 16, 25, 0) 340px),
    repeating-linear-gradient(90deg, rgba(41, 64, 90, 0.22) 0 1px, transparent 1px 96px);
  color: #E6EDF5;
  font-family: "Inter", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video, canvas { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
ul, ol { margin: 0; padding: 0; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a {
  color: #2EE6D6;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

::selection { background: #2EE6D6; color: #071019; }

:focus-visible {
  outline: 2px solid #9CF5EC;
  outline-offset: 3px;
  border-radius: 2px;
}

#main-content { display: block; scroll-margin-top: 132px; }

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink-950: #071019;
  --ink-900: #0B1826;
  --ink-800: #12263A;
  --cyan-400: #2EE6D6;
  --orange-500: #FF7A1A;
  --sage-500: #6F8F78;
  --white-100: #E6EDF5;
  --grey-300: #A9BACB;
  --line-700: #29405A;
  --lemon-300: #9CF5EC;

  --font-head: "Oswald", "Barlow Condensed", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 56px);
  --radius-organic: 2px 26px 2px 26px;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* ---------- 2. 中文排版与基础文字 ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white-100);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.6rem, 6.6vw, 5.6rem); }
h2 { font-size: clamp(1.85rem, 3.4vw, 3.1rem); }
h3 { font-size: clamp(1.2rem, 1.7vw, 1.55rem); letter-spacing: -0.01em; }
h4 { font-size: clamp(1.02rem, 1.2vw, 1.15rem); letter-spacing: 0; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin: 0 0 14px;
}

.section-number {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(12.5px, 1.2vw, 14px);
  letter-spacing: 0.28em;
  color: var(--cyan-400);
  margin: 0 0 12px;
}

.lede {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  line-height: 1.72;
  color: var(--grey-300);
  max-width: 62ch;
}

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

/* ---------- 3. 通用布局 ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow { max-width: 820px; }

.section { padding: clamp(56px, 8vw, 116px) 0; }

.grid { display: grid; gap: clamp(20px, 3vw, 40px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--sidebar { grid-template-columns: minmax(0, 1fr) minmax(0, 320px); }

/* ---------- 4. 跳转链 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -72px;
  z-index: 300;
  padding: 10px 18px;
  background: var(--lemon-300);
  color: var(--ink-950);
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.06em;
  text-decoration: none;
  border-radius: 0 0 6px 6px;
  transition: top 0.18s var(--ease);
}

.skip-link:focus { top: 0; }

/* ---------- 5. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-700);
}

/* 5.1 品牌说明带 */
.brand-rail {
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-700);
}

.rail-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 26px);
  min-height: 54px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--white-100);
  flex: 0 0 auto;
}

.brand-glyph {
  width: 18px;
  height: 18px;
  display: inline-block;
  background: linear-gradient(135deg, var(--cyan-400) 0 50%, var(--orange-500) 50% 100%);
  transform: skewX(-14deg);
  border-radius: 1px;
}

.brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-tagline {
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.24em;
  color: var(--grey-300);
  white-space: nowrap;
}

.rail-shortcut {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.8vw, 22px);
}

.shortcut-link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(46, 230, 214, 0.32);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.shortcut-link:hover,
.shortcut-link:focus-visible {
  color: var(--lemon-300);
  border-bottom-color: var(--lemon-300);
}

/* 5.2 主栏目带 */
.nav-bar { position: relative; background: var(--ink-900); }

.nav-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 28px);
  min-height: 58px;
}

.nav-brand { display: none; }

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

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.4vw, 22px);
}

.nav-item { flex: 0 0 auto; }

.nav-link {
  position: relative;
  display: inline-block;
  padding: 18px 2px;
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--grey-300);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  height: 2px;
  background: var(--cyan-400);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}

.nav-link:hover { color: var(--white-100); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--white-100); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-cta {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border: 1px solid var(--cyan-400);
  border-radius: var(--radius-organic);
  background: rgba(46, 230, 214, 0.08);
  color: var(--cyan-400);
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.nav-cta:hover,
.nav-cta:focus-visible {
  background: var(--cyan-400);
  color: var(--ink-950);
}

/* 5.3 移动端按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 14px;
  border: 1px solid var(--line-700);
  border-radius: var(--radius-organic);
  background: var(--ink-800);
  color: var(--white-100);
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease);
}

.nav-toggle:hover { border-color: var(--cyan-400); }

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: var(--cyan-400);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) { transform: translateY(5px) 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(-5px) rotate(-45deg); }

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 104px);
  background: var(--ink-900);
  color: var(--grey-300);
  padding-top: clamp(36px, 5vw, 72px);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400), var(--orange-500) 58%, rgba(255, 122, 26, 0) 96%);
  transform: skewY(-0.5deg);
  transform-origin: left center;
}

.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.footer-lead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 22px;
  padding-bottom: clamp(20px, 3vw, 36px);
  border-bottom: 1px solid var(--line-700);
}

.footer-brand {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.6vw, 42px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white-100);
  text-decoration: none;
}

.footer-motto {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.26em;
  color: var(--cyan-400);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
  padding: clamp(28px, 4vw, 54px) 0;
}

.footer-col { min-width: 0; }

.footer-heading {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--grey-300);
}

.footer-list {
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
}

.footer-link {
  color: var(--white-100);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.footer-list-contact { gap: 14px; }

.footer-contact-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 14px;
  line-height: 1.6;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--sage-500);
  padding-top: 2px;
}

.footer-contact-value { color: var(--white-100); word-break: break-word; }

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 24px;
  padding: 18px 0 26px;
  border-top: 1px solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--grey-300);
}

.footer-legal,
.footer-hours,
.footer-copy { margin: 0; }

/* ---------- 7. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.72em 1.5em;
  border: 1px solid var(--line-700);
  border-radius: var(--radius-organic);
  background: var(--ink-800);
  color: var(--white-100);
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.06em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.btn:hover { border-color: var(--cyan-400); color: var(--lemon-300); }

.btn--primary {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-950);
  font-weight: 600;
}

.btn--primary:hover { background: var(--lemon-300); border-color: var(--lemon-300); color: var(--ink-950); }

.btn--accent {
  background: transparent;
  border-color: var(--orange-500);
  color: var(--orange-500);
}

.btn--accent:hover { background: var(--orange-500); border-color: var(--orange-500); color: var(--ink-950); }

.btn--ghost { background: transparent; }

.breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--grey-300);
}

.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb li + li::before { content: "/"; margin-right: 10px; color: var(--line-700); }
.breadcrumb a { color: var(--grey-300); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan-400); }
.breadcrumb [aria-current="page"] { color: var(--white-100); }

.prose {
  max-width: 72ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--white-100);
}

.prose h2 { margin: 1.8em 0 0.6em; font-size: clamp(1.5rem, 2.4vw, 2.1rem); }
.prose h3 { margin: 1.6em 0 0.5em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin-bottom: 0.5em; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--orange-500);
  color: var(--grey-300);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--ink-800);
  color: var(--lemon-300);
}
.prose a { color: var(--cyan-400); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.28em 0.85em;
  border: 1px solid var(--line-700);
  border-radius: 999px;
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--grey-300);
  white-space: nowrap;
}

.chip--home { border-color: var(--cyan-400); color: var(--cyan-400); }
.chip--away { border-color: var(--orange-500); color: var(--orange-500); }
.chip--past { border-color: var(--sage-500); color: var(--sage-500); }

/* ---------- 8. 图片容器（页面阶段放置占位） ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-700);
  border-radius: 2px 28px 2px 28px;
  background-color: var(--ink-800);
  background-image: linear-gradient(150deg, rgba(46, 230, 214, 0.12), rgba(7, 16, 25, 0.92) 62%);
}

.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(0, 0, 0, 0) 58%, rgba(255, 122, 26, 0.16));
}

.media-frame figcaption {
  position: relative;
  z-index: 1;
  padding: 12px 18px;
  background: var(--ink-900);
  border-top: 1px solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--grey-300);
}

/* ---------- 9. 滚动进度与显现 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 200;
  pointer-events: none;
  background: linear-gradient(90deg, var(--cyan-400), var(--orange-500));
  transform: scaleX(0);
  transform-origin: left center;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

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

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--sidebar { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .brand-rail { display: none; }

  .nav-brand { display: inline-flex; }

  .nav-inner { min-height: 62px; gap: 14px; }

  .nav-cta { display: none; }

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

  .primary-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    padding: 8px var(--gutter) 22px;
    background: var(--ink-900);
    border-bottom: 1px solid var(--line-700);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.45);
  }

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

  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }

  .nav-link {
    display: block;
    padding: 15px 0;
    font-size: 17px;
    border-bottom: 1px solid var(--line-700);
  }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    color: var(--cyan-400);
    padding-left: 12px;
    border-left: 3px solid var(--cyan-400);
  }

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

  #main-content { scroll-margin-top: 84px; }
}

@media (max-width: 640px) {
  body { background-image: repeating-linear-gradient(90deg, rgba(41, 64, 90, 0.2) 0 1px, transparent 1px 64px); }

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

  .footer-base { justify-content: flex-start; }

  .footer-contact-item { grid-template-columns: 46px minmax(0, 1fr); }

  .media-frame { border-radius: 2px 20px 2px 20px; }
}

/* ---------- 11. 动效降级 ---------- */
@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;
  }

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

  .site-footer::before { transform: none; }
}