/* ==========================================================================
   金博棋牌老版 · 共享样式表  /assets/site.css
   赛场夜灯下的数据档案馆：深墨绿底 / 记分牌金 / 荧光橙红高亮
   ========================================================================== */

/* --- 1. 设计变量 -------------------------------------------------------- */
:root {
  --ink: #0B1F1A;
  --ink-2: #10312A;
  --card: #071411;
  --gold: #F2C349;
  --gold-hi: #FFE9A8;
  --flare: #FF5A36;
  --mint: #2FD8B0;
  --paper: #F4F1E6;
  --ash: #7C9A8F;
  --copper: #8A6A2F;

  --line: 2px solid var(--copper);
  --hard: 6px 6px 0 rgba(138, 106, 47, 0.5);
  --hard-sm: 4px 4px 0 rgba(0, 0, 0, 0.45);

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --wrap: 1240px;
  --gap: 18px;
  --pill: 999px;
  --header-h: 74px;
}

/* --- 2. 重置与基础 ------------------------------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(
    0deg,
    rgba(47, 216, 176, 0.035) 0 1px,
    transparent 1px 92px
  );
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  margin: 0;
  line-height: 1.25;
  font-weight: 800;
}

p { margin: 0 0 1em; }

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

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

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--gold-hi);
  outline-offset: 3px;
  border-radius: 4px;
}

#main-content { scroll-margin-top: 104px; }

/* --- 3. 无障碍辅助 ------------------------------------------------------ */
.skip-link {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--gold-hi);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  border: 2px solid var(--ink);
  border-radius: var(--pill);
  transform: translateY(-220%);
  transition: transform 0.18s ease;
}

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

/* --- 4. 悬浮胶囊头部 ---------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  padding: 14px 18px 0;
  pointer-events: none;
}

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 9px 12px 9px 18px;
  background: rgba(7, 20, 17, 0.9);
  border: 2px solid var(--copper);
  border-radius: var(--pill);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  pointer-events: auto;
  transition: padding 0.22s ease, background-color 0.22s ease, box-shadow 0.22s ease;
}

.site-header[data-scrolled] .site-header__inner {
  padding: 5px 10px 5px 14px;
  background: rgba(7, 20, 17, 0.98);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.62);
}

.brand-lockup {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 11px;
}

.brand-lockup__mark {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--gold);
  white-space: nowrap;
  transition: color 0.16s ease;
}

.brand-lockup__mark:hover { color: var(--gold-hi); }

.brand-lockup__season {
  padding-left: 11px;
  border-left: 1px solid var(--copper);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mint);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 7px 14px 7px 12px;
  background: var(--ink-2);
  color: var(--paper);
  border: 2px solid var(--copper);
  border-radius: var(--pill);
  font-size: 12.5px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.nav-toggle__bars {
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
  box-shadow: 0 -5px 0 var(--gold), 0 5px 0 var(--gold);
  transition: background-color 0.16s ease, box-shadow 0.16s ease;
}

.nav-toggle__label {
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
}

.site-header[data-open] .nav-toggle {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}

.site-header[data-open] .nav-toggle__bars {
  background: var(--ink);
  box-shadow: 0 -5px 0 var(--ink), 0 5px 0 var(--ink);
}

.site-nav {
  display: flex;
  flex: 1 1 auto;
  justify-content: center;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__item { display: block; }

.site-nav__link {
  display: block;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--paper);
  white-space: nowrap;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.site-nav__link:hover {
  background: var(--ink-2);
  border-color: var(--copper);
  color: var(--gold-hi);
}

.site-nav__link[aria-current="page"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 800;
}

.header-tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
}

.status-lamp {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  background: var(--card);
  border: 1px solid var(--copper);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--ash);
  white-space: nowrap;
}

.status-lamp__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 0 3px rgba(255, 90, 54, 0.16);
  animation: lamp-flicker 2.6s ease-in-out infinite;
}

@keyframes lamp-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.header-tools__search {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  background: var(--gold-hi);
  color: var(--ink);
  border: 2px solid var(--copper);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: background-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.header-tools__search:hover {
  background: var(--flare);
  color: #FFFFFF;
  transform: translateY(-1px);
}

/* 移动端抽屉导航 */
@media (max-width: 1120px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: none;
    padding: 8px;
    background: var(--card);
    border: 2px solid var(--copper);
    border-radius: 16px;
    box-shadow: var(--hard);
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    padding: 12px 14px;
    border: 0;
    border-bottom: 1px solid rgba(138, 106, 47, 0.28);
    border-radius: 10px;
    font-size: 15px;
  }

  .site-nav__item:last-child .site-nav__link { border-bottom: 0; }
}

@media (max-width: 720px) {
  .site-header { padding: 10px 10px 0; }

  .site-header__inner {
    gap: 8px;
    padding: 7px 9px 7px 13px;
  }

  .brand-lockup__mark { font-size: 16px; }

  .brand-lockup__season {
    padding-left: 8px;
    font-size: 9.5px;
    letter-spacing: 0.12em;
  }

  .status-lamp { display: none; }

  .header-tools__search {
    padding: 6px 12px;
    font-size: 11px;
  }
}

@media (max-width: 420px) {
  .brand-lockup__season { display: none; }

  .header-tools__search {
    padding: 6px 10px;
    font-size: 10.5px;
  }
}

/* --- 5. 正文容器留白（避开悬浮胶囊） ------------------------------------ */
main { display: block; padding-top: 132px; }

@media (max-width: 1120px) { main { padding-top: 122px; } }
@media (max-width: 720px) { main { padding-top: 104px; } }

/* --- 6. 四栏页脚 -------------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: 72px;
  background: var(--ink-2);
  border-top: 3px solid var(--copper);
  color: var(--paper);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--gold) 0 18px,
    transparent 18px 36px
  );
  opacity: 0.45;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
  gap: 34px 28px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 56px 22px 36px;
}

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

.footer-col__title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(138, 106, 47, 0.5);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold);
  text-transform: uppercase;
}

.footer-brand {
  margin: 0 0 10px;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.footer-meta {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ash);
}

.footer-meta--mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  word-break: break-all;
}

.footer-list {
  display: grid;
  gap: 9px;
}

.footer-list a {
  display: inline-block;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  font-size: 14px;
  color: var(--paper);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.footer-list a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--mint);
}

.footer-list--mono a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ash);
}

.footer-list--mono a:hover { color: var(--mint); }

.footer-contact {
  display: grid;
  gap: 11px;
}

.footer-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.footer-contact__key {
  min-width: 40px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.footer-contact .footer-meta { margin: 0; }

.copy-btn {
  padding: 3px 10px;
  background: transparent;
  color: var(--mint);
  border: 1px solid var(--copper);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.copy-btn:hover {
  background: var(--ink);
  color: var(--gold-hi);
  border-color: var(--gold);
}

.copy-btn[data-copied] {
  background: var(--mint);
  color: var(--ink);
  border-color: var(--mint);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 18px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 22px 36px;
  border-top: 1px solid rgba(138, 106, 47, 0.5);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ash);
}

.footer-note { margin: 0; }

.footer-legal {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}

.footer-legal a {
  color: var(--mint);
  transition: color 0.16s ease;
}

.footer-legal a:hover { color: var(--gold-hi); }

@media (max-width: 1000px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 42px 16px 28px;
  }

  .site-footer__base {
    padding: 16px 16px 32px;
  }
}

/* --- 7. 布局工具 -------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 22px;
}

@media (max-width: 720px) {
  .wrap { padding: 0 14px; }
}

.grid { display: grid; gap: var(--gap); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

@media (max-width: 960px) {
  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: 1fr; }
}

.rule {
  margin: 36px 0;
  border: 0;
  border-top: 2px solid var(--copper);
}

/* --- 8. 文本与标签 ------------------------------------------------------ */
.prose {
  max-width: 70ch;
}

.prose p {
  margin: 0 0 1.15em;
  color: var(--paper);
}

.prose a {
  color: var(--mint);
  border-bottom: 1px solid rgba(47, 216, 176, 0.5);
}

.prose a:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.prose strong { color: var(--gold-hi); }

.mono { font-family: var(--font-mono); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--copper);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--mint);
  text-transform: uppercase;
}

.tag--gold { color: var(--gold); border-color: var(--gold); }
.tag--flare { color: var(--flare); border-color: var(--flare); }
.tag--ash { color: var(--ash); }

.tag-v {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.3em;
  color: var(--ash);
  text-transform: uppercase;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ash);
}

.breadcrumb a {
  color: var(--mint);
  transition: color 0.16s ease;
}

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

.breadcrumb__sep { color: var(--copper); }

/* --- 9. 按钮 ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 12px 22px;
  border: 2px solid var(--copper);
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-align: center;
  cursor: pointer;
  transition: transform 0.16s ease, background-color 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
}

.btn:hover { transform: translate(-2px, -2px); }

.btn--primary {
  background: var(--flare);
  color: #160603;
  box-shadow: var(--hard-sm);
}

.btn--primary:hover { box-shadow: 6px 6px 0 rgba(255, 90, 54, 0.35); }

.btn--gold {
  background: var(--gold);
  color: var(--ink);
  box-shadow: var(--hard-sm);
}

.btn--gold:hover { background: var(--gold-hi); }

.btn--ghost {
  background: transparent;
  color: var(--paper);
}

.btn--ghost:hover {
  background: var(--ink-2);
  border-color: var(--gold);
  color: var(--gold-hi);
}

.btn--sm {
  padding: 8px 15px;
  font-size: 12.5px;
}

/* --- 10. 卡片与图片容器 ------------------------------------------------- */
.surface {
  padding: 22px;
  background: var(--card);
  border: 2px solid var(--copper);
  box-shadow: var(--hard);
}

.surface--ink { background: var(--ink-2); }
.surface--tilt-l { transform: rotate(-0.6deg); }
.surface--tilt-r { transform: rotate(0.8deg); }

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--card);
  border: 2px solid var(--copper);
  box-shadow: var(--hard);
}

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

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--strip { aspect-ratio: 16 / 4; }
.media-frame--band { aspect-ratio: 5 / 2; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame--dim img {
  opacity: 0.3;
  filter: grayscale(0.3) contrast(1.08);
}

.media-frame__caption {
  position: absolute;
  bottom: 12px;
  left: 12px;
  padding: 5px 11px;
  background: rgba(7, 20, 17, 0.88);
  border: 1px solid var(--copper);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

/* --- 11. 显现动效 ------------------------------------------------------- */
html[data-reveal-ready] [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 0.7, 0.3, 1);
}

html[data-reveal-ready] [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* --- 12. 减弱动效 ------------------------------------------------------- */
@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;
  }

  html[data-reveal-ready] [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}