/* ==========================================================================
   新浦京娱乐 · 共享站点样式 /assets/site.css
   档案库 × 桌台后台：墨绿幕底、鎏金索引、等宽口径
   ========================================================================== */

/* ---------- 1. reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, dl, dt, dd, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; border-radius: 2px; }

/* ---------- 2. tokens ---------- */
:root {
  --ink: #0A1B17;
  --panel: #0F2A23;
  --card: #143A30;
  --line: #1F4D40;
  --gold: #C9A227;
  --gild: #E9CE7A;
  --cream: #F3E7C8;
  --ruby: #8C2233;
  --volt: #6C9CFF;
  --text: #ECE7DC;
  --muted: #93A69D;

  --maxw: 1280px;
  --gut: clamp(18px, 4vw, 48px);
  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font-display: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

/* ---------- 3. base ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1180px 620px at 10% -12%, rgba(201, 162, 39, .14), transparent 62%),
    radial-gradient(920px 520px at 94% 2%, rgba(108, 156, 255, .10), transparent 60%),
    radial-gradient(820px 660px at 62% 116%, rgba(140, 34, 51, .14), transparent 66%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

#main-content { display: block; scroll-margin-top: 92px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: .01em;
  color: var(--text);
}
h1 { font-size: clamp(2.1rem, 5.2vw, 4.2rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.12rem, 1.8vw, 1.5rem); font-weight: 400; }
strong { color: var(--gild); font-weight: 600; }
::selection { background: rgba(201, 162, 39, .32); color: #fff; }

/* ---------- 4. type utilities ---------- */
.t-display { font-family: var(--font-display); font-weight: 300; font-size: clamp(2.4rem, 6.4vw, 5.6rem); line-height: 1.04; letter-spacing: .012em; }
.t-title { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.6rem, 3.4vw, 2.6rem); line-height: 1.14; }
.t-lede { font-size: clamp(1rem, 1.3vw, 1.12rem); line-height: 1.85; color: var(--muted); max-width: 64ch; }
.t-index { font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.t-mono { font-family: var(--font-mono); font-size: 15px; letter-spacing: .05em; color: var(--gild); }
.t-muted { color: var(--muted); }
.link { color: var(--volt); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.link:hover { color: var(--gild); }

/* ---------- 5. layout ---------- */
.shell { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.vt-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(16px, 2.2vw, 28px); }
[class*="span-"] { grid-column: 1 / -1; }
@media (min-width: 900px) {
  .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-9 { grid-column: span 9; }
  .span-12 { grid-column: span 12; }
}
.stack { display: flex; flex-direction: column; gap: var(--stack-gap, 14px); }

/* ---------- 6. skip link ---------- */
.skip-link {
  position: absolute; left: 16px; top: -120px; z-index: 140;
  padding: 10px 20px; border-radius: 0 0 12px 12px;
  background: var(--gild); color: var(--ink);
  font-size: 14px; letter-spacing: .06em;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 0; }

/* ---------- 7. command bar header ---------- */
.cmd-bar {
  position: sticky; top: 0; z-index: 90;
  background: linear-gradient(180deg, rgba(10, 27, 23, .97) 0%, rgba(10, 27, 23, .88) 100%);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  color: var(--text);
}
.cmd-bar__inner {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: clamp(10px, 1.4vw, 20px);
  max-width: var(--maxw); margin-inline: auto;
  min-height: 66px; padding: 12px var(--gut);
}

.cmd-brand { display: inline-flex; align-items: center; gap: 12px; }
.cmd-brand__mark {
  position: relative; flex: none; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid rgba(201, 162, 39, .55);
  background: radial-gradient(circle at 34% 30%, rgba(233, 206, 122, .42), transparent 62%);
}
.cmd-brand__mark::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 6px; height: 6px;
  transform: translate(-50%, -50%) rotate(45deg); background: var(--gild);
}
.cmd-brand__mark::after {
  content: ""; position: absolute; inset: 6px; border-radius: 50%;
  border: 1px solid rgba(31, 77, 64, .9);
}
.cmd-brand__text { display: block; }
.cmd-brand__line {
  display: block; font-family: var(--font-display); font-size: 17px;
  letter-spacing: .07em; line-height: 1.2; color: var(--text);
}
.cmd-brand__sub {
  display: block; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .16em; line-height: 1.5; color: var(--muted);
}

.cmd-toggle {
  display: none; align-items: center; gap: 9px;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); font-size: 12.5px; letter-spacing: .12em;
}
.cmd-toggle:hover { color: var(--gild); border-color: rgba(201, 162, 39, .5); }
.cmd-toggle__bars { position: relative; flex: none; width: 16px; height: 10px; }
.cmd-toggle__bars::before,
.cmd-toggle__bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px;
  background: var(--gild); transition: transform .2s var(--ease);
}
.cmd-toggle__bars::before { top: 0; }
.cmd-toggle__bars::after { bottom: 0; }
.cmd-bar[data-open="true"] .cmd-toggle__bars::before { transform: translateY(4.25px) rotate(45deg); }
.cmd-bar[data-open="true"] .cmd-toggle__bars::after { transform: translateY(-4.25px) rotate(-45deg); }

.cmd-nav { display: block; flex: 1 1 auto; min-width: 0; }
.cmd-nav__list {
  display: flex; align-items: center; flex-wrap: nowrap; gap: 2px;
  overflow-x: auto; scrollbar-width: none;
}
.cmd-nav__list::-webkit-scrollbar { display: none; }
.cmd-nav__item { flex: none; }
.cmd-nav__link {
  display: inline-flex; align-items: baseline; gap: 7px;
  padding: 8px 12px; border-radius: 999px;
  color: var(--muted); font-size: 14.5px; white-space: nowrap;
  transition: color .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease);
}
.cmd-nav__link:hover { color: var(--text); background: rgba(31, 77, 64, .55); }
.cmd-nav__idx { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; color: var(--gold); opacity: .7; }
.cmd-nav__text { display: inline-block; }
.cmd-nav__link[aria-current="page"] {
  color: var(--gild);
  background: linear-gradient(180deg, rgba(201, 162, 39, .18), rgba(201, 162, 39, .05));
  box-shadow: inset 0 0 0 1px rgba(201, 162, 39, .42);
}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx { color: var(--gild); opacity: 1; }

.cmd-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 17px; border-radius: 999px;
  background: linear-gradient(135deg, var(--gild), var(--gold));
  color: var(--ink); font-size: 13.5px; letter-spacing: .05em; white-space: nowrap;
  box-shadow: 0 6px 18px rgba(201, 162, 39, .16);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}
.cmd-cta:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(201, 162, 39, .28); }

.cmd-status {
  display: flex; align-items: center; gap: 10px; white-space: nowrap;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--muted);
}
.cmd-status__value { color: var(--gild); }
.cmd-status__dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--gild);
  box-shadow: 0 0 0 3px rgba(233, 206, 122, .16);
  animation: cmdPulse 3.4s var(--ease) infinite;
}
.cmd-status__rev { padding-left: 10px; border-left: 1px solid var(--line); }
@keyframes cmdPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(233, 206, 122, .16); }
  50% { box-shadow: 0 0 0 6px rgba(233, 206, 122, .05); }
}

.cmd-progress {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
  background: rgba(31, 77, 64, .55); pointer-events: none;
}
.cmd-progress__fill {
  display: block; width: 100%; height: 100%;
  transform: scaleX(var(--p, 0)); transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--gold), var(--gild) 62%, var(--volt));
}

@media (max-width: 1079px) {
  .cmd-cta { display: none; }
  .cmd-status__label { display: none; }
}
@media (max-width: 899px) {
  .cmd-brand { order: 1; margin-right: auto; }
  .cmd-status { order: 2; }
  .cmd-toggle { display: inline-flex; order: 3; }
  .cmd-nav {
    order: 4; flex: 1 1 100%; display: none;
    margin-top: 10px; padding: 12px 0 6px;
    border-top: 1px solid var(--line);
    overflow-x: auto; overscroll-behavior-x: contain;
  }
  .cmd-bar[data-open="true"] .cmd-nav { display: block; animation: navDrop .22s var(--ease) both; }
  .cmd-nav__list { gap: 8px; }
  .cmd-nav__link { padding: 9px 14px; background: rgba(20, 58, 48, .6); font-size: 14px; }
  .cmd-nav__link[aria-current="page"] { background: rgba(201, 162, 39, .16); }
}
@keyframes navDrop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}
@media (max-width: 599px) {
  .cmd-brand__sub { display: none; }
  .cmd-status__rev { display: none; }
}

/* ---------- 8. footer ---------- */
.vault-foot {
  position: relative;
  margin-top: clamp(56px, 9vw, 120px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(15, 42, 35, .9) 0%, rgba(10, 27, 23, 1) 62%);
  color: var(--text);
}
.vault-foot::before {
  content: ""; position: absolute; left: 0; top: -1px; width: min(320px, 42%); height: 1px;
  background: linear-gradient(90deg, var(--gild), rgba(233, 206, 122, 0));
}
.vault-foot__inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: clamp(36px, 5vw, 68px) var(--gut) 28px;
}
.vault-foot__top { display: flex; flex-wrap: wrap; gap: clamp(26px, 3.4vw, 48px); }
.vault-foot__brand { flex: 1 1 210px; }
.vault-foot__brandlink { display: block; }
.vault-foot__mark {
  display: block; width: 26px; height: 26px; margin-bottom: 14px;
  border: 1px solid rgba(201, 162, 39, .5);
  border-radius: 50% 50% 46% 54% / 52% 48% 52% 48%;
  background: radial-gradient(circle at 35% 30%, rgba(233, 206, 122, .34), transparent 62%);
}
.vault-foot__brandline {
  display: block; font-family: var(--font-display); font-size: 22px;
  letter-spacing: .08em; color: var(--text);
}
.vault-foot__brandsub {
  display: block; margin-top: 4px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .16em; color: var(--muted);
}
.vault-foot__cols {
  flex: 2 1 400px; display: grid; gap: 26px clamp(18px, 2vw, 34px);
  grid-template-columns: repeat(auto-fit, minmax(146px, 1fr));
}
.vault-foot__col { min-width: 0; }
.vault-foot__title {
  margin-bottom: 8px; padding-bottom: 10px; border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 400;
  letter-spacing: .16em; color: var(--gold);
}
.vault-foot__list { display: flex; flex-direction: column; }
.vault-foot__link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 0; font-size: 14.5px; color: var(--muted);
  transition: color .18s var(--ease), transform .18s var(--ease);
}
.vault-foot__link::before {
  content: ""; width: 10px; height: 1px; background: var(--line);
  transition: width .18s var(--ease), background-color .18s var(--ease);
}
.vault-foot__link:hover { color: var(--gild); transform: translateX(2px); }
.vault-foot__link:hover::before { width: 16px; background: var(--gild); }

.vault-foot__contact { flex: 1 1 260px; min-width: 0; }
.vault-foot__contact-list { display: flex; flex-direction: column; gap: 10px; }
.vault-foot__contact-row { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.vault-foot__contact-key {
  flex: none; min-width: 34px; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: .14em; color: var(--gold);
}
.vault-foot__contact-val {
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
  letter-spacing: .02em; color: var(--text); word-break: break-word;
}
.vault-foot__contact-note {
  margin-top: 14px; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid rgba(140, 34, 51, .5);
  background: rgba(140, 34, 51, .18);
  font-size: 13px; line-height: 1.7; color: var(--muted);
}
.vault-foot__closing {
  margin-top: clamp(28px, 4vw, 46px); padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display); font-size: clamp(15px, 1.6vw, 18px);
  letter-spacing: .08em; color: var(--gild);
}
.vault-foot__legal {
  display: flex; flex-wrap: wrap; gap: 10px 24px;
  align-items: center; justify-content: space-between;
  margin-top: 16px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; color: var(--muted);
}
.vault-foot__icp { word-break: break-word; }
.vault-foot__copy { color: var(--muted); }

/* ---------- 9. buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 22px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(20, 58, 48, .66);
  color: var(--text); font-size: 14.5px; letter-spacing: .04em;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease), color .18s var(--ease);
}
.btn:hover { transform: translateY(-1px); border-color: rgba(201, 162, 39, .55); color: var(--gild); }
.btn--gold {
  border-color: transparent; color: var(--ink); font-weight: 500;
  background: linear-gradient(135deg, var(--gild), var(--gold));
}
.btn--gold:hover { color: var(--ink); box-shadow: 0 10px 26px rgba(201, 162, 39, .26); }
.btn--ghost { background: transparent; border-color: rgba(201, 162, 39, .5); color: var(--gild); }
.btn--ghost:hover { background: rgba(201, 162, 39, .12); }
.btn--volt { background: rgba(108, 156, 255, .14); border-color: rgba(108, 156, 255, .45); color: #cddfff; }
.btn--volt:hover { color: #fff; border-color: var(--volt); }
.btn__idx { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; opacity: .75; }

/* ---------- 10. breadcrumbs ---------- */
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--muted);
}
.crumbs a { color: var(--muted); transition: color .18s var(--ease); }
.crumbs a:hover { color: var(--gild); }
.crumbs__sep { color: var(--line); }
.crumbs [aria-current="page"] { color: var(--gild); }

/* ---------- 11. section head ---------- */
.sec-head {
  position: relative; display: flex; flex-direction: column; gap: 10px;
  padding-left: 18px; margin-bottom: clamp(20px, 3vw, 34px);
}
.sec-head::before {
  content: ""; position: absolute; left: 0; top: 5px; bottom: 5px; width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(201, 162, 39, 0));
}
.sec-head__idx { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .16em; color: var(--gold); }
.sec-head__title { font-family: var(--font-display); font-weight: 300; font-size: clamp(1.5rem, 3.2vw, 2.6rem); line-height: 1.14; }
.sec-head__note { max-width: 62ch; font-size: 15px; color: var(--muted); }

/* ---------- 12. chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(15, 42, 35, .7);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; color: var(--muted);
}
.chip--gold { color: var(--gild); border-color: rgba(201, 162, 39, .45); background: rgba(201, 162, 39, .12); }
.chip--ruby { color: #f0c3cb; border-color: rgba(140, 34, 51, .6); background: rgba(140, 34, 51, .3); }
.chip--volt { color: #cddfff; border-color: rgba(108, 156, 255, .45); background: rgba(108, 156, 255, .14); }
.chip--cream { color: var(--ink); border-color: transparent; background: var(--cream); }

/* ---------- 13. panel ---------- */
.panel {
  position: relative; padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(20, 58, 48, .94), rgba(15, 42, 35, .98));
}
.panel--flush { padding: 0; overflow: hidden; }
.panel__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .14em; color: var(--muted);
}

/* ---------- 14. filter bar ---------- */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 16px;
  background: linear-gradient(180deg, rgba(15, 42, 35, .8), rgba(10, 27, 23, .7));
}
.filter-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 15px; border: 1px solid transparent; border-radius: 999px;
  color: var(--muted); font-size: 13.5px; letter-spacing: .03em;
  transition: color .18s var(--ease), background-color .18s var(--ease), box-shadow .18s var(--ease);
}
.filter-btn:hover { color: var(--text); background: rgba(31, 77, 64, .6); }
.filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: linear-gradient(135deg, var(--gild), var(--gold));
  box-shadow: 0 0 0 1px rgba(233, 206, 122, .5), 0 8px 20px rgba(201, 162, 39, .18);
}
.filter-count { margin-left: auto; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .12em; color: var(--muted); }
.filter-empty {
  padding: 24px; border: 1px dashed var(--line); border-radius: var(--radius);
  text-align: center; color: var(--muted); font-size: 14px;
}

/* ---------- 15. media containers ---------- */
.media {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(150deg, var(--card), var(--panel) 62%, var(--ink));
}
.media::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(201, 162, 39, .16), transparent 56%),
    radial-gradient(80% 60% at 100% 100%, rgba(108, 156, 255, .12), transparent 60%);
}
.media__img { width: 100%; height: 100%; object-fit: cover; }
.media__caption {
  margin-top: 10px; font-family: var(--font-mono); font-size: 12px;
  letter-spacing: .06em; color: var(--muted);
}
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--3x4 { aspect-ratio: 3 / 4; }
.media--plain::after { display: none; }

/* ---------- 16. reveal ---------- */
.has-js [data-reveal] {
  opacity: 0; transform: translateY(14px);
  transition: opacity .42s var(--ease) var(--reveal-delay, 0ms), transform .42s var(--ease) var(--reveal-delay, 0ms);
}
.has-js [data-reveal].is-in { opacity: 1; transform: none; }

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