/* ============================================
   爱游戏娱乐官方中文站 — 全站共享样式
   Creative DNA: 深绿球场 + 冠军金色 + 数据动感
   ============================================ */

/* ---------- Reset & 设计变量 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --c-pitch: #0F241A;
  --c-turf: #1E3D2B;
  --c-rock: #2E3C33;
  --c-sand: #EDE6D8;
  --c-gold: #C9A227;
  --c-wine: #7A2E1C;
  --c-pitch-light: #2A5A3B;
  --c-teal: #3E8E7E;
  --c-sand-dark: #D8CFB8;
  --c-mesh: #173A2B;

  --f-headline: Impact, 'Noto Sans SC Black', 'Arial Black', sans-serif;
  --f-data: 'Fira Code', 'Roboto Mono', 'Courier New', monospace;
  --f-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;

  --container-max: 1280px;
  --container-pad: clamp(16px, 4vw, 48px);
  --radius: 2px;
  --ease: .25s ease;
  --shadow: 0 10px 28px rgba(0, 0, 0, .35);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-sand);
  background: var(--c-pitch);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: var(--f-headline);
  font-weight: 800;
  line-height: 1.2;
  color: var(--c-sand);
}

h1 { font-size: clamp(2.2rem, 4.5vw, 3rem); margin-bottom: .6em; }
h2 { font-size: clamp(1.6rem, 3vw, 2rem); margin-bottom: .5em; }
h3 { font-size: 1.25rem; margin-bottom: .4em; }

p { max-width: 72ch; }

a {
  color: var(--c-gold);
  text-decoration: none;
  transition: color var(--ease);
}
a:hover { color: #fff; }

ul, ol { list-style: none; }
img { display: block; max-width: 100%; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }

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

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 基础容器与排版 ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.content {
  max-width: 880px;
  margin-inline: auto;
  padding: 48px var(--container-pad) 64px;
  color: var(--c-sand-dark);
  font-size: 1rem;
}
.content > * + * { margin-top: 1.2em; }
.content h2 { color: var(--c-sand); margin-top: 1.6em; }
.content p { max-width: 72ch; }

/* ---------- 跳转链接 / 跳过导航 ---------- */
.skip-link {
  position: fixed;
  top: -56px;
  left: 16px;
  z-index: 1000;
  background: var(--c-gold);
  color: var(--c-pitch);
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 0 0 6px 6px;
  box-shadow: var(--shadow);
  transition: top .2s ease;
}
.skip-link:focus-visible { top: 0; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 800;
  background:
    linear-gradient(135deg, #0B1A12 0%, var(--c-pitch) 55%, var(--c-mesh) 100%);
  border-bottom: 1px solid rgba(201, 162, 39, .22);
}

.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold) 0%, transparent 80%);
  transform: skewX(-45deg);
  transform-origin: left;
  pointer-events: none;
  z-index: 4;
}

.site-header__inner { position: relative; }

.site-header__masthead {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 18px var(--container-pad) 12px;
}

.site-header__brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  text-align: center;
  color: var(--c-sand);
  line-height: 1.1;
}
.site-header__brand:hover { color: var(--c-sand); }

.site-header__logo {
  font-family: var(--f-headline);
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--c-sand);
  text-shadow: 0 2px 0 rgba(0, 0, 0, .3);
}

.site-header__logo-sub {
  font-family: var(--f-data);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--c-sand-dark);
  text-transform: uppercase;
  opacity: .8;
}

.site-header__edition {
  position: absolute;
  right: var(--container-pad);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: right;
  padding-left: 14px;
  border-left: 2px solid var(--c-gold);
  color: var(--c-sand-dark);
  font-size: .78rem;
  line-height: 1.5;
}

.site-header__tagline {
  font-weight: 600;
  color: var(--c-sand);
  letter-spacing: .04em;
}

.site-header__lang {
  font-family: var(--f-data);
  color: var(--c-gold);
  font-size: .7rem;
}

/* ---------- 主导航 ---------- */
.site-nav {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 0 var(--container-pad) 12px;
}

.site-nav__list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2px 30px;
}

.site-nav__item { margin: 0; }

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 0;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--c-sand);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}
.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--c-gold); }

/* 移动导航按钮 */
.site-nav__toggle {
  display: none;
  position: absolute;
  right: var(--container-pad);
  top: 50%;
  transform: translateY(-50%);
  z-index: 1100;
  width: 44px;
  height: 44px;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border: 1px solid rgba(201, 162, 39, .4);
  border-radius: var(--radius);
  background: rgba(15, 36, 26, .5);
}
.site-nav__toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--c-gold);
  transition: transform var(--ease), opacity var(--ease);
}
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) { opacity: 0; }
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 滚动进度条 ---------- */
.pitch-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--c-gold), var(--c-wine));
  z-index: 6;
  pointer-events: none;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: #0A1810;
  border-top: 1px solid rgba(201, 162, 39, .25);
  margin-top: 80px;
  color: var(--c-sand-dark);
}
.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-wine) 70%, transparent);
}

.site-footer__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 48px var(--container-pad) 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: 48px 40px;
}

.site-footer__col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.site-footer__col--nav,
.site-footer__col--contact { gap: 10px; }

.site-footer__logo {
  font-family: var(--f-headline);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--c-sand);
  letter-spacing: .04em;
}
.site-footer__logo:hover { color: var(--c-gold); }

.site-footer__tagline {
  font-size: .85rem;
  color: var(--c-gold);
  letter-spacing: .1em;
  padding-left: 14px;
  border-left: 3px solid var(--c-wine);
}

.site-footer__trust {
  font-size: .82rem;
  line-height: 1.7;
  color: rgba(237, 230, 216, .55);
  max-width: 38ch;
}

.site-footer__title {
  font-family: var(--f-body);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-gold);
  padding-left: 12px;
  border-left: 3px solid var(--c-gold);
  margin-bottom: 18px;
}

.site-footer__list li { margin-bottom: 8px; font-size: .9rem; }
.site-footer__list a { color: var(--c-sand-dark); }
.site-footer__list a:hover { color: var(--c-gold); }

.site-footer__legal {
  border-top: 1px solid rgba(237, 230, 216, .08);
  background: rgba(0, 0, 0, .15);
}

.site-footer__legal-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 16px var(--container-pad);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  font-size: .78rem;
  color: rgba(237, 230, 216, .5);
}

.site-footer__top {
  margin-left: auto;
  font-size: .78rem;
  color: rgba(237, 230, 216, .55);
  padding: 6px 14px;
  border: 1px solid rgba(237, 230, 216, .2);
  border-radius: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease, border-color var(--ease), color var(--ease);
}
.site-footer__top:hover,
.site-footer__top:focus-visible {
  color: var(--c-gold);
  border-color: var(--c-gold);
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-sand);
  background: transparent;
  border: 1px solid var(--c-gold);
  border-radius: var(--radius);
  transition: all var(--ease);
  text-align: center;
}
.btn:hover {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-pitch);
}

.btn--gold {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-pitch);
}
.btn--gold:hover {
  background: transparent;
  color: var(--c-gold);
}

.btn--ghost {
  border-color: rgba(237, 230, 216, .35);
  color: var(--c-sand);
}
.btn--ghost:hover {
  background: rgba(237, 230, 216, .08);
  border-color: var(--c-sand);
  color: var(--c-sand);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  padding: 20px var(--container-pad);
  font-size: .85rem;
  max-width: var(--container-max);
  margin-inline: auto;
}
.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 0;
}
.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: rgba(201, 162, 39, .55);
  margin-inline: 10px;
}
.breadcrumbs__item[aria-current="page"] { color: var(--c-gold); }

/* ---------- 眉题 / 章节标题 / 数据行 ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--f-data);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--c-gold);
  border: 1px solid rgba(201, 162, 39, .3);
  background: rgba(201, 162, 39, .08);
  padding: 4px 10px;
  border-radius: 2px;
}

.section-title {
  position: relative;
  padding-left: 20px;
  margin-bottom: 18px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .16em;
  bottom: .16em;
  width: 6px;
  background: var(--c-gold);
  transform: skewX(-20deg);
}

.data-line {
  font-family: var(--f-data);
  font-size: 1.05rem;
  color: var(--c-sand);
  letter-spacing: .02em;
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-block;
  padding: 5px 14px;
  font-size: .78rem;
  color: var(--c-sand-dark);
  border: 1px solid rgba(237, 230, 216, .3);
  border-radius: 20px;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}
.tag:hover {
  border-color: var(--c-gold);
  color: var(--c-gold);
}
.tag[aria-pressed="true"] {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-pitch);
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

/* ---------- 信息卡片 ---------- */
.card {
  background: var(--c-turf);
  border: 1px solid rgba(201, 162, 39, .12);
  border-radius: 4px;
  padding: 24px;
  transition: border-color .3s ease, transform .3s ease, background .3s ease;
}
.card:hover {
  border-color: rgba(201, 162, 39, .5);
  transform: translateY(-4px);
}
.card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.card__body { font-size: .92rem; color: var(--c-sand-dark); }

/* ---------- 图片容器 ---------- */
.img-frame {
  position: relative;
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--c-mesh) 0%, var(--c-rock) 100%);
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .4s ease;
}
.img-frame.is-loaded img { opacity: 1; }
.img-frame--portrait { aspect-ratio: 4 / 5; }
.img-frame--wide { aspect-ratio: 21 / 9; }

/* ---------- 装饰组件 ---------- */
.cut-panel {
  background: var(--c-turf);
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 32px, 100% 100%, 32px 100%, 0 calc(100% - 32px));
}

.speed-lines {
  background-image: repeating-linear-gradient(
    -45deg,
    transparent 0,
    transparent 14px,
    rgba(201, 162, 39, .08) 14px,
    rgba(201, 162, 39, .08) 16px
  );
}

.gold-line {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
  margin: 24px 0;
}

/* ---------- 滚动显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
html.js [data-reveal="left"] { transform: translateX(-24px); }
html.js [data-reveal="right"] { transform: translateX(24px); }
html.js [data-reveal="scale"] { transform: scale(.96); }
html.js [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1023px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__col--brand { grid-column: 1 / -1; }
}

@media (max-width: 767px) {
  .site-header__edition { display: none; }

  .site-nav__toggle { display: flex; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    width: min(320px, 86vw);
    margin: 0;
    padding: 72px 26px 24px;
    background: var(--c-pitch);
    border-left: 1px solid rgba(201, 162, 39, .35);
    box-shadow: var(--shadow);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .site-nav[data-open] { transform: translateX(0); }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
  }
  .site-nav__link {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(237, 230, 216, .08);
  }
  .site-nav__link::after { bottom: 12px; }
}

@media (max-width: 639px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .site-footer__col--brand { grid-column: auto; }
  .site-footer__legal-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .site-footer__top { margin-left: 0; }

  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }
}

/* ---------- 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  html.js [data-reveal],
  html.js [data-reveal="left"],
  html.js [data-reveal="right"],
  html.js [data-reveal="scale"] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .card:hover { transform: none; }
}