/* ============================================================
   OG体育现金主站 · 共享层样式
   路径：/assets/site.css
   负责：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --ink: #05201A;
  --ink-deep: #0C100E;
  --turf: #0F332B;
  --lime: #C8FF4D;
  --gold: #F0B24A;
  --mist: #E8F1EC;
  --sage: #7E968C;
  --pulse: #2BE0C0;
  --wine: #6E1F2C;
  --indigo: #2A2A5E;

  --rail-w: 15.5rem;
  --maxw: 78rem;
  --gutter: clamp(1.15rem, 4vw, 3.25rem);
  --radius: 14px;
  --radius-lg: 22px;

  --font-head: "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: ui-monospace, "JetBrains Mono", "Roboto Mono", "SFMono-Regular",
    Menlo, Consolas, "Liberation Mono", monospace;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  margin: 0;
  background-color: var(--ink);
  background-image:
    radial-gradient(120% 90% at 88% -10%, rgba(43, 224, 192, 0.10), transparent 62%),
    radial-gradient(90% 70% at 6% 6%, rgba(200, 255, 77, 0.05), transparent 58%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--mist);
}

p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

figure { margin: 0; }

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

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

a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-color: rgba(200, 255, 77, 0.35);
  text-underline-offset: 4px;
  transition: color 0.18s ease, text-decoration-color 0.18s ease;
}

a:hover { color: var(--pulse); text-decoration-color: currentColor; }

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

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

/* ---------- 通用排版工具 ---------- */
.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-num);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.lede {
  max-width: 38ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(232, 241, 236, 0.82);
}

.metric {
  display: block;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--lime);
}

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

.container--narrow { max-width: 46rem; }

.section { padding-block: clamp(3.5rem, 8vw, 8.5rem); }

.section__head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.75rem);
}

.grid { display: grid; gap: clamp(1rem, 2.4vw, 2rem); }

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }

.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); }

/* ---------- 卡片层 ---------- */
.card {
  padding: clamp(1.1rem, 2.4vw, 1.75rem);
  border: 1px solid rgba(232, 241, 236, 0.08);
  border-radius: var(--radius);
  background-color: var(--turf);
  color: var(--mist);
}

.card--glass {
  background-color: rgba(232, 241, 236, 0.06);
  border-color: rgba(232, 241, 236, 0.16);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.card--wine { background-color: var(--wine); border-color: rgba(232, 241, 236, 0.14); }

.card--indigo { background-color: var(--indigo); border-color: rgba(232, 241, 236, 0.14); }

/* ---------- 媒体容器（页面阶段放 img / svg / picture） ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--turf);
  background-image:
    radial-gradient(120% 90% at 82% 0%, rgba(43, 224, 192, 0.20), transparent 62%),
    linear-gradient(150deg, rgba(15, 51, 43, 0.95), rgba(12, 16, 14, 0.98));
  isolation: isolate;
}

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

.media--wide { aspect-ratio: 21 / 9; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--3x4 { aspect-ratio: 3 / 4; }

.media--placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 241, 236, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 241, 236, 0.055) 1px, transparent 1px);
  background-size: 2.25rem 2.25rem;
  pointer-events: none;
}

.media--placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, transparent 46%, rgba(200, 255, 77, 0.16) 47%, transparent 49%),
    radial-gradient(28% 34% at 70% 62%, rgba(200, 255, 77, 0.22), transparent 70%);
  pointer-events: none;
}

.media__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0.85rem 1rem;
  font-size: 0.75rem;
  color: var(--mist);
  background: linear-gradient(0deg, rgba(5, 32, 26, 0.94), rgba(5, 32, 26, 0));
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  font-size: 0.8125rem;
  color: var(--sage);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

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

.breadcrumb__list li + li::before {
  content: "/";
  margin-inline-end: 0.5rem;
  color: rgba(126, 150, 140, 0.55);
}

.breadcrumb a { color: var(--sage); text-decoration: none; }

.breadcrumb a:hover { color: var(--pulse); }

.breadcrumb [aria-current="page"] { color: var(--mist); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, transform 0.2s ease;
}

.btn--ghost {
  color: var(--lime);
  background-color: rgba(200, 255, 77, 0.08);
  border-color: rgba(200, 255, 77, 0.34);
}

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

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

.btn--solid:hover {
  color: var(--ink);
  background-color: var(--pulse);
  border-color: var(--pulse);
}

/* ============================================================
   头部
   ============================================================ */
.site-header { position: relative; z-index: 60; }

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 50%;
  z-index: 200;
  padding: 0.6rem 1.15rem;
  border-radius: 999px;
  background-color: var(--lime);
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 800;
  text-decoration: none;
  transform: translate(-50%, -160%);
  transition: transform 0.22s ease;
}

.skip-link:focus {
  color: var(--ink);
  transform: translate(-50%, 0);
}

/* --- 顶部细条 --- */
.topline {
  background-color: var(--ink-deep);
  border-bottom: 1px solid rgba(232, 241, 236, 0.06);
  font-size: 0.8125rem;
}

.topline__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.5rem;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0.3rem var(--gutter);
}

.topline__tag {
  padding-inline-end: 0.9rem;
  border-inline-end: 1px solid rgba(232, 241, 236, 0.14);
  font-family: var(--font-num);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sage);
}

.topline__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 1.6rem;
  margin: 0;
}

.topline__stat {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.topline__stat dt { font-size: 0.75rem; color: var(--sage); }

.topline__stat dd {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--mist);
}

.topline__stat--alt dd { color: var(--gold); }

/* --- 品牌条 --- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 55;
  background-color: rgba(5, 32, 26, 0.86);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid rgba(232, 241, 236, 0.08);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0.85rem var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s ease;
}

.brand:hover { color: var(--mist); }

.brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  background-color: var(--lime);
  color: var(--ink);
  font-family: var(--font-num);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  box-shadow: 0 0 0 1px rgba(200, 255, 77, 0.35), 0 10px 24px rgba(200, 255, 77, 0.14);
}

.brand__text { display: block; }

.brand__name {
  display: block;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.brand__sub {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.masthead__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.refresh {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--sage);
  white-space: nowrap;
}

.refresh__label { display: inline; }

.refresh__time {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--gold);
}

/* --- 移动端栏目按钮 --- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid rgba(232, 241, 236, 0.16);
  border-radius: 999px;
  background-color: rgba(232, 241, 236, 0.06);
  color: var(--mist);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.nav-toggle:hover { background-color: rgba(232, 241, 236, 0.12); }

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 1rem;
  height: 0.5rem;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background-color: var(--lime);
  transition: transform 0.25s ease, top 0.25s ease;
}

.nav-toggle__bars::before { top: 0; }

.nav-toggle__bars::after { top: 0.375rem; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0.1875rem;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 0.1875rem;
  transform: rotate(-45deg);
}

/* --- 左侧纵向入口列 --- */
.rail {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.rail__eyebrow {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sage);
}

.rail__list {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.rail__link {
  display: block;
  padding: 0.62rem 0.85rem;
  border-inline-start: 2px solid transparent;
  border-radius: 0 10px 10px 0;
  color: var(--mist);
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease,
    border-color 0.18s ease;
}

.rail__link:hover {
  color: var(--mist);
  background-color: rgba(200, 255, 77, 0.08);
  border-inline-start-color: rgba(200, 255, 77, 0.6);
}

.rail__link[aria-current="page"] {
  color: var(--lime);
  background-color: rgba(200, 255, 77, 0.13);
  border-inline-start-color: var(--lime);
}

.rail-scrim {
  position: fixed;
  inset: 0;
  z-index: 65;
  margin: 0;
  padding: 0;
  border: 0;
  background-color: rgba(5, 32, 26, 0.66);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  cursor: pointer;
}

.rail-scrim[hidden] { display: none; }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  margin-top: clamp(3.5rem, 8vw, 7rem);
  background-color: var(--ink-deep);
  border-top: 1px solid rgba(232, 241, 236, 0.08);
  color: var(--sage);
  font-size: 0.875rem;
}

.footer__inner {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(2.5rem, 5vw, 4rem) var(--gutter) clamp(1.5rem, 3vw, 2.5rem);
}

.footer__lead {
  display: grid;
  align-content: start;
  gap: 1rem;
}

.brand--footer .brand__mark {
  background-color: transparent;
  border: 1px solid rgba(240, 178, 74, 0.55);
  color: var(--gold);
  box-shadow: none;
}

.brand--footer .brand__name { color: var(--mist); }

.footer__note {
  max-width: 34ch;
  font-size: 0.8125rem;
  line-height: 1.8;
  color: var(--sage);
}

.footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.75rem 1.5rem;
}

.footer__col { display: grid; align-content: start; gap: 0.75rem; }

.footer__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.footer__list { display: grid; gap: 0.45rem; }

.footer__list a {
  color: var(--sage);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.18s ease;
}

.footer__list a:hover { color: var(--lime); }

.footer__list--plain span { color: var(--sage); font-size: 0.875rem; }

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1.5rem;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 1.25rem var(--gutter) 2.5rem;
  border-top: 1px solid rgba(232, 241, 236, 0.08);
  font-size: 0.8125rem;
}

.footer__icp {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--lime);
}

.footer__legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

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

.footer__legal-links li + li::before {
  content: "|";
  margin-inline: 0.75rem;
  color: rgba(126, 150, 140, 0.45);
}

.footer__legal-links a { color: var(--sage); text-decoration: none; }

.footer__legal-links a:hover { color: var(--lime); }

.footer__copy { color: var(--sage); }

/* ============================================================
   动效与滚动进度
   ============================================================ */
[data-reveal] {
  transition: opacity 0.5s cubic-bezier(0.22, 0.8, 0.28, 1),
    transform 0.5s cubic-bezier(0.22, 0.8, 0.28, 1);
}

[data-reveal][data-reveal-state="hidden"] {
  opacity: 0;
  transform: translateY(8px);
}

[data-reveal][data-reveal-state="shown"] {
  opacity: 1;
  transform: translateY(0);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background-image: linear-gradient(90deg, var(--pulse), var(--lime));
  pointer-events: none;
}

/* ============================================================
   断点：移动端与平板
   ============================================================ */
@media (max-width: 1023px) {
  .rail {
    position: fixed;
    inset: auto 0 0 0;
    z-index: 70;
    max-height: 80vh;
    overflow-y: auto;
    padding: 1.35rem var(--gutter) 2.25rem;
    background-color: rgba(12, 16, 14, 0.97);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-top: 1px solid rgba(200, 255, 77, 0.28);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(102%);
    visibility: hidden;
    transition: transform 0.34s cubic-bezier(0.22, 0.8, 0.28, 1),
      visibility 0s linear 0.34s;
  }

  .rail[data-open] {
    transform: translateY(0);
    visibility: visible;
    transition: transform 0.34s cubic-bezier(0.22, 0.8, 0.28, 1),
      visibility 0s linear 0s;
  }

  .rail__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem;
  }

  .rail__link {
    border-radius: 10px;
    border-inline-start-width: 3px;
  }
}

@media (min-width: 1024px) {
  body { padding-inline-start: var(--rail-w); }

  .rail {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 60;
    width: var(--rail-w);
    overflow-y: auto;
    padding: 6.5rem 1.15rem 1.75rem;
    background-image: linear-gradient(
      180deg,
      rgba(15, 51, 43, 0.78),
      rgba(12, 16, 14, 0.94)
    );
    border-inline-end: 1px solid rgba(232, 241, 236, 0.08);
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
  }

  .nav-toggle { display: none; }

  .rail-scrim { display: none !important; }

  .footer__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 2.4fr);
    gap: 3rem;
  }
}

@media (max-width: 640px) {
  .brand__sub { display: none; }

  .refresh__label { display: none; }

  .btn--search .btn__pre { display: none; }

  .topline__tag { border-inline-end: 0; padding-inline-end: 0; }

  .footer__legal { font-size: 0.75rem; }
}

/* ============================================================
   可访问性：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;
  }

  [data-reveal],
  [data-reveal][data-reveal-state="hidden"] {
    opacity: 1 !important;
    transform: none !important;
  }

  .rail {
    transform: none !important;
    visibility: visible;
  }

  .scroll-progress { display: none; }
}