/* ==========================================================================
   艾弗森娱乐 · /assets/site.css
   共享层：重置 / 设计变量 / 中文排版 / 站点页头页脚 / 通用组件
   纸底 + 墨蓝实色 + 暖金与锐利红点色，锐利直角，1px 细线网格
   ========================================================================== */

/* ---------- 1. 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
table { border-collapse: collapse; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --navy: #10243A;
  --navy-deep: #0A1828;
  --gold: #C89B3C;
  --gold-soft: #E5C97E;
  --red: #D63A2F;
  --paper: #F6F1E6;
  --mist: #E3E8EF;
  --gray: #6B7683;
  --ink: #1C1B19;
  --teal: #2F7D6E;
  --white: #FFFFFF;

  --line: rgba(16, 36, 58, .20);
  --line-soft: rgba(16, 36, 58, .09);
  --line-inv: rgba(246, 241, 230, .16);
  --text-inv: rgba(246, 241, 230, .84);
  --text-inv-dim: rgba(246, 241, 230, .58);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(.22, 1, .36, 1);
  --container: 1320px;
  --pad-x: clamp(24px, 4.5vw, 72px);
  --header-h: 104px;
}

/* ---------- 3. 中文排版 ---------- */
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -.02em;
}
h1 { font-size: clamp(32px, 4.6vw, 44px); font-weight: 900; }
h2 { font-size: clamp(26px, 3.2vw, 32px); }
h3 { font-size: 24px; }
h4 { font-size: 19px; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 700; }
code, kbd, samp, .mono {
  font-family: var(--font-mono);
  font-size: .94em;
  letter-spacing: .04em;
}
mark {
  background: var(--gold-soft);
  color: var(--navy-deep);
  padding: 0 .2em;
}

/* ---------- 4. 页面骨架 ---------- */
.site-main {
  display: block;
  padding-top: var(--header-h);
  min-height: 60vh;
}
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.section { padding: clamp(56px, 7vw, 96px) 0; }
.section--navy {
  background: var(--navy);
  color: var(--text-inv);
}
.section--navy h1, .section--navy h2, .section--navy h3 { color: var(--paper); }
.section--tint { background: var(--mist); }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
  margin-bottom: 12px;
}
.lede {
  font-size: 19px;
  line-height: 1.8;
  max-width: 34em;
  color: var(--ink);
}
.section--navy .lede { color: var(--text-inv); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

/* ---------- 5. 页头 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  transform: translateY(-220%);
  background: var(--gold);
  color: var(--navy-deep);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  transition: transform .18s var(--ease);
}
.skip-link:focus { transform: none; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

/* 状态条：墨蓝深阶，永远实色 */
.status-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 36px;
  padding: 0 var(--pad-x);
  background: var(--navy-deep);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}
.status-bar__scroll {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  height: 36px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.status-bar__track {
  display: inline-flex;
  white-space: nowrap;
  animation: status-marquee 44s linear infinite;
}
.status-bar__item { padding-right: 72px; }
.status-bar__item::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  background: var(--red);
  vertical-align: middle;
}
.status-bar__pin {
  flex: 0 0 auto;
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid rgba(200, 155, 60, .55);
  color: var(--paper);
  white-space: nowrap;
}
@keyframes status-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* 页头主体：透明 -> 实色 */
.header-bar {
  background: transparent;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: background-color .24s ease, color .24s ease, border-color .24s ease;
}
.header-bar__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: 14px var(--pad-x);
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-header.is-solid .header-bar {
  background: var(--navy);
  color: var(--paper);
  border-bottom-color: rgba(200, 155, 60, .3);
}
.site-header.is-open .header-bar {
  background: var(--navy-deep);
  color: var(--paper);
  border-bottom-color: rgba(200, 155, 60, .3);
}
.has-dark-hero .site-header:not(.is-solid) .header-bar { color: var(--paper); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: .02em;
  white-space: nowrap;
}
.brand__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--red);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  white-space: nowrap;
}
.site-header.is-solid .nav-toggle,
.site-header.is-open .nav-toggle { border-color: rgba(246, 241, 230, .4); }
.nav-toggle__glyph {
  position: relative;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: background-color .2s ease;
}
.nav-toggle__glyph::before,
.nav-toggle__glyph::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform .2s var(--ease);
}
.nav-toggle__glyph::before { top: -6px; }
.nav-toggle__glyph::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__glyph { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__glyph::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__glyph::after { transform: translateY(-6px) rotate(-45deg); }

/* 可横向滑动的频道条 */
.primary-nav {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
}
.channel-strip {
  display: flex;
  align-items: center;
  gap: 26px;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 6px 2px;
}
.channel-strip::-webkit-scrollbar { display: none; }
.channel {
  position: relative;
  display: inline-block;
  padding: 4px 0;
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  opacity: .86;
  transition: opacity .2s ease;
}
.channel:hover, .channel:focus-visible { opacity: 1; }
.channel::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0;
  height: 2px;
  background: var(--gold-soft);
  transition: width .22s var(--ease), background-color .22s ease;
}
.channel:hover::after, .channel:focus-visible::after { width: 100%; }
.channel[aria-current="page"] { opacity: 1; }
.channel[aria-current="page"]::after {
  width: 18px;
  background: var(--red);
}
.channel[aria-current="page"]:hover::after { width: 18px; }

.utility-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.utility-link {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  white-space: nowrap;
  transition: background-color .2s ease, color .2s ease;
}
.utility-link:hover, .utility-link:focus-visible {
  background: var(--gold);
  color: var(--navy-deep);
}

/* ---------- 6. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 26px;
  border: 1px solid var(--gold);
  background: transparent;
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  transition: background-color .2s ease, color .2s ease;
}
.btn:hover, .btn:focus-visible { background: var(--gold); color: var(--navy-deep); }
.btn--solid {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--paper);
}
.btn--solid:hover, .btn--solid:focus-visible {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
  color: var(--gold-soft);
}
.btn--ghost { border-color: var(--line); color: var(--gray); }
.btn--ghost:hover, .btn--ghost:focus-visible {
  background: transparent;
  border-color: var(--navy);
  color: var(--navy);
}
.section--navy .btn { color: var(--gold-soft); }

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs {
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.breadcrumbs li { display: flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: var(--gray); opacity: .6; }
.breadcrumbs a:hover, .breadcrumbs a:focus-visible {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 8. 章节识别符 ---------- */
.chapter-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}
.chapter-head__no {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 34px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--gold);
}
.chapter-head__rule {
  align-self: center;
  width: 26px;
  height: 1px;
  background: var(--red);
}
.chapter-head__title {
  margin: 0;
  font-size: clamp(24px, 3vw, 32px);
}
.chapter-head__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
}
.chapter-head--display .chapter-head__no { font-size: clamp(56px, 9vw, 96px); }
.section--navy .chapter-head__time { color: var(--text-inv-dim); }

/* ---------- 9. 旁注 / 标签 ---------- */
.side-note {
  max-width: 280px;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}
.section--navy .side-note { color: var(--text-inv-dim); }
.tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
}
.tag--state { border-color: var(--teal); color: var(--teal); }

/* ---------- 10. 表格 ---------- */
.data-table {
  width: 100%;
  background: var(--white);
  font-size: 15px;
  text-align: left;
}
.data-table th {
  background: var(--navy-deep);
  color: var(--gold-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .06em;
  padding: 14px 18px;
  white-space: nowrap;
}
.data-table td {
  height: 52px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}
.data-table tbody tr:nth-child(even) { background: var(--mist); }
.data-table tbody tr:hover { background: var(--paper); }
.data-table .mono { color: var(--gray); }

/* ---------- 11. 主题筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.filter-btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
  transition: background-color .2s ease, color .2s ease, border-color .2s ease;
}
.filter-btn:hover, .filter-btn:focus-visible { border-color: var(--navy); color: var(--navy); }
.filter-btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--gold-soft);
}
.filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
}
.is-filtered { display: none !important; }

/* ---------- 12. 图片容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--mist);
  border: 1px solid var(--line-soft);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--navy);
  opacity: .06;
  pointer-events: none;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-caption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 13. 入场显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  background: transparent;
  color: var(--paper);
}
.site-footer__slant {
  height: clamp(48px, 7vw, 84px);
  background: var(--navy-deep);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}
.site-footer__body {
  background: var(--navy-deep);
  padding: clamp(48px, 6vw, 80px) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.7fr;
  gap: 40px 32px;
}
.footer-col { min-width: 0; }
.footer-col--brand { padding-right: 16px; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--paper);
}
.footer-brand__dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  background: var(--red);
}
.footer-tagline {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-inv-dim);
  max-width: 18em;
}
.footer-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-inv-dim);
}
.footer-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--gold);
}
.footer-list {
  display: grid;
  gap: 10px;
  font-size: 15px;
}
.footer-list a { color: var(--text-inv); transition: color .2s ease; }
.footer-list a:hover, .footer-list a:focus-visible {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--gold);
}
.footer-contact {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  margin-bottom: 18px;
  font-size: 15px;
}
.footer-contact dt {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-inv-dim);
  white-space: nowrap;
}
.footer-contact dd {
  color: var(--text-inv);
  line-height: 1.7;
  word-break: break-word;
}
.footer-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-inv-dim);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: clamp(40px, 5vw, 64px);
  padding-top: 20px;
  padding-bottom: 28px;
  border-top: 1px solid rgba(200, 155, 60, .28);
}
.footer-mono {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-inv);
}
.footer-mono--dim { color: var(--text-inv-dim); }

/* ---------- 15. 响应式：平板 ---------- */
@media (max-width: 1023px) {
  :root { --header-h: 92px; }

  .nav-toggle { display: inline-flex; align-items: center; margin-left: auto; }
  .header-bar__inner { padding: 12px var(--pad-x); gap: 16px; }

  .primary-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 8px var(--pad-x) 28px;
    background: var(--navy-deep);
    color: var(--paper);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity .24s ease, transform .24s var(--ease), visibility .24s linear;
  }
  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .channel-strip {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
    padding: 0;
  }
  .channel {
    display: block;
    padding: 15px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--line-inv);
    opacity: .92;
  }
  .channel::after { left: auto; right: 0; bottom: auto; top: 50%; }
  .channel[aria-current="page"] { color: var(--gold-soft); }
  .utility-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-top: 22px;
  }
  .utility-link { text-align: center; padding: 12px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 28px; }
  .footer-col--brand { padding-right: 0; }
}

/* ---------- 16. 响应式：手机 ---------- */
@media (max-width: 719px) {
  .grid-12 { gap: 20px 16px; }
  .span-3, .span-4, .span-5, .span-6, .span-7, .span-8 { grid-column: 1 / -1; }

  .status-bar { gap: 10px; font-size: 11px; }
  .status-bar__pin { padding-left: 10px; }
  .status-bar__item { padding-right: 56px; }

  .brand { font-size: 17px; }
  .nav-toggle__label { display: none; }

  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-tagline { max-width: none; }
  .footer-contact { grid-template-columns: 1fr; gap: 2px; }
  .footer-contact dt { padding-top: 10px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  body { font-size: 16px; }
  .side-note { max-width: none; }
  .chapter-head__time { margin-left: 0; }
  .filter-count { margin-left: 0; width: 100%; }
}

/* ---------- 17. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .status-bar__track { animation: none; transform: none; }
  .js [data-reveal] { opacity: 1; transform: none; }
}