/* ==========================================================================
   亚洲城入口 — 共享站点样式 /assets/site.css
   目录：1 reset ｜ 2 变量 ｜ 3 排版 ｜ 4 通用组件 ｜ 5 头部 ｜ 6 页脚 ｜ 7 动效与无障碍
   ========================================================================== */

/* --- 1. reset ------------------------------------------------------------ */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{ margin:0; }
ul,ol{ padding:0; list-style:none; }
img,svg,video{ display:block; max-width:100%; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
table{ border-collapse:collapse; width:100%; }
[hidden]{ display:none !important; }

/* --- 2. 变量 ------------------------------------------------------------- */
:root{
  /* 经幡色系 */
  --flag-red:#A8342A;
  --flag-red-deep:#7A231C;
  --navy:#14314C;
  --navy-soft:#2A5578;
  --jade:#1F8A7A;
  --gold:#E8B33C;
  --orange:#D9722C;
  --paper:#F4EFE6;
  --weave:#D9D2C5;
  --ink:#1A1A18;
  --mist:#8A9AA8;

  --shell:1360px;
  --measure:1200px;
  --gutter:20px;

  --font-display:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:var(--font-display);
  --font-mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --line:1px solid var(--weave);
  --line-dark:1px solid rgba(244,239,230,.16);
  --shadow-float:0 14px 34px rgba(20,49,76,.18);
  --shadow-lift:0 6px 18px rgba(20,49,76,.12);

  --weave-flag:repeating-linear-gradient(115deg,
    rgba(168,52,42,.20) 0 6px,
    rgba(232,179,60,.18) 6px 9px,
    rgba(31,138,122,.18) 9px 15px,
    rgba(20,49,76,0) 15px 28px);
}
@media (min-width:720px){ :root{ --gutter:32px; } }
@media (min-width:1100px){ :root{ --gutter:44px; } }

/* --- 3. 排版 ------------------------------------------------------------- */
body{
  background-color:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.14;
  text-wrap:balance;
}
h1{ font-size:clamp(2.4rem,6.2vw,5.5rem); font-weight:900; }
h2{ font-size:clamp(1.6rem,3.2vw,2.25rem); }
h3{ font-size:clamp(1.15rem,2vw,1.5rem); }
p{ max-width:70ch; }
a{ color:var(--flag-red); text-decoration:underline; text-underline-offset:3px; text-decoration-thickness:1px; }
a:hover{ color:var(--flag-red-deep); }
strong{ font-weight:700; }
::selection{ background:var(--gold); color:var(--navy); }

.mono{
  font-family:var(--font-mono);
  font-size:.82em;
  letter-spacing:.06em;
  color:var(--mist);
  font-variant-numeric:tabular-nums;
}
.mono-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  color:var(--flag-red);
}
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--flag-red);
  border-top:1px solid var(--flag-red);
  padding-top:6px;
}
.hairline{ display:block; height:0; border:0; border-top:1px solid var(--weave); margin:0; }
.visually-hidden{
  position:absolute !important; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* --- 4. 通用组件 --------------------------------------------------------- */
.wrap{
  width:min(calc(100% - 2 * var(--gutter)), var(--measure));
  margin-inline:auto;
}

/* 4.1 面包屑 */
.breadcrumb{ border-bottom:1px solid var(--weave); padding:12px 0; margin-bottom:8px; }
.breadcrumb-list{ display:flex; flex-wrap:wrap; align-items:center; gap:4px; font-size:13px; }
.breadcrumb-item{ display:flex; align-items:center; color:var(--mist); }
.breadcrumb-item + .breadcrumb-item::before{ content:"/"; margin:0 8px; color:var(--weave); }
.breadcrumb-link{ color:var(--navy); text-decoration:none; border-bottom:1px solid transparent; }
.breadcrumb-link:hover{ color:var(--flag-red); border-bottom-color:var(--flag-red); }

/* 4.2 页面主题声明区（替代 Hero） */
.page-head{ padding:clamp(28px,6vw,72px) 0 clamp(20px,4vw,40px); border-bottom:1px solid var(--weave); }
.page-head-inner{ display:grid; gap:20px; }
.page-title{ font-size:clamp(2rem,5.4vw,4.2rem); font-weight:900; }
.page-lede{ font-size:clamp(1rem,1.6vw,1.2rem); color:var(--navy-soft); max-width:62ch; }
.page-meta{ display:flex; flex-wrap:wrap; gap:10px 22px; font-size:13px; }

/* 4.3 堆叠面板 */
.panel{
  background-color:var(--paper);
  border:1px solid var(--weave);
  padding:clamp(20px,3.4vw,40px);
  position:relative;
}
.panel--navy{ background-color:var(--navy); color:var(--paper); border-color:var(--navy-soft); }
.panel--navy a{ color:var(--gold); }
.panel--offset{ margin-left:clamp(0px,3vw,28px); }
.panel-head{ display:flex; flex-wrap:wrap; align-items:baseline; gap:8px 16px; border-bottom:1px solid var(--weave); padding-bottom:14px; margin-bottom:20px; }
.panel--navy .panel-head{ border-bottom-color:rgba(244,239,230,.18); }
.panel-title{ font-size:clamp(1.15rem,2vw,1.5rem); }
.panel-body > * + *{ margin-top:1em; }
.deck{ display:grid; }
.deck-item + .deck-item{ margin-top:-1px; }

/* 4.4 网格 */
.grid-split{ display:grid; gap:32px; }
.grid-2{ display:grid; gap:24px; }
.grid-3{ display:grid; gap:24px; }
@media (min-width:820px){
  .grid-split{ grid-template-columns:7fr 4fr; gap:44px; }
  .grid-3{ grid-template-columns:repeat(3,1fr); }
}
@media (min-width:640px){
  .grid-2{ grid-template-columns:repeat(2,1fr); }
}

/* 4.5 按钮与标签 */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 22px;
  border:1px solid var(--flag-red);
  background-color:var(--flag-red);
  color:var(--paper);
  font-size:15px; font-weight:700; letter-spacing:.03em;
  text-decoration:none;
  line-height:1.2;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn:hover{ background-color:var(--flag-red-deep); border-color:var(--flag-red-deep); color:var(--paper); }
.btn:active{ transform:translateY(1px); }
.btn--ghost{ background-color:transparent; color:var(--flag-red); border-color:var(--weave); }
.btn--ghost:hover{ background-color:rgba(168,52,42,.07); border-color:var(--flag-red); color:var(--flag-red-deep); }
.btn--navy{ background-color:var(--navy); border-color:var(--navy); color:var(--paper); }
.btn--navy:hover{ background-color:var(--navy-soft); border-color:var(--navy-soft); color:var(--paper); }

.chip{
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 12px;
  border:1px solid var(--weave);
  background-color:rgba(255,255,255,.42);
  color:var(--navy);
  font-size:13px;
  line-height:1.5;
  text-decoration:none;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.chip:hover{ border-color:var(--flag-red); color:var(--flag-red); background-color:rgba(168,52,42,.06); }
.chip-row{ display:flex; flex-wrap:wrap; gap:8px; }

/* 4.6 图片容器 */
.figure{
  margin:0;
  border:1px solid var(--weave);
  background-color:var(--navy);
  position:relative;
  overflow:hidden;
}
.figure-media{ width:100%; height:100%; object-fit:cover; }
.figure--21x9{ aspect-ratio:21/9; }
.figure--16x9{ aspect-ratio:16/9; }
.figure--4x3{ aspect-ratio:4/3; }
.figure--1x1{ aspect-ratio:1/1; }
.figure--tall{ aspect-ratio:3/4; }
.figure-caption{
  border-top:1px solid var(--weave);
  background-color:var(--paper);
  padding:10px 14px;
  font-size:13px;
  color:var(--mist);
}
.figure-card{
  position:absolute;
  left:0; bottom:0;
  max-width:min(420px,84%);
  padding:16px 20px;
  background-color:rgba(20,49,76,.88);
  color:var(--paper);
  border-left:4px solid var(--gold);
  font-size:14px;
  line-height:1.6;
}
.figure-card-title{ display:block; font-weight:800; font-size:15px; letter-spacing:.02em; margin-bottom:4px; color:var(--paper); }

/* 4.7 标签页 / 分段切换 */
[data-tablist]{
  display:flex; flex-wrap:wrap; gap:0;
  border-bottom:1px solid var(--weave);
}
[data-tab]{
  padding:12px 18px;
  border:1px solid transparent;
  border-bottom:0;
  background-color:transparent;
  color:var(--mist);
  font-size:15px; letter-spacing:.03em;
  transition:color .2s ease,background-color .2s ease;
}
[data-tab]:hover{ color:var(--navy); }
[data-tab][aria-selected="true"]{
  color:var(--ink);
  font-weight:700;
  background-color:var(--paper);
  border-color:var(--weave);
  box-shadow:inset 0 3px 0 var(--flag-red);
}
[data-tabpanel]{ padding:22px 0; }
[data-tabs] .panel--navy [data-tab][aria-selected="true"]{ color:var(--paper); }

/* --- 5. 头部 ------------------------------------------------------------- */
.site-header{
  position:sticky; top:0; z-index:60;
  background-color:var(--navy);
  color:var(--paper);
  border-bottom:1px solid rgba(232,179,60,.34);
}
.scroll-progress{
  position:absolute; left:0; bottom:-1px; z-index:2;
  width:100%; height:3px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background-image:linear-gradient(90deg,var(--flag-red) 0%,var(--orange) 52%,var(--gold) 100%);
  pointer-events:none;
}
.header-ledger{
  background-color:var(--navy);
  background-image:var(--weave-flag),linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.5));
  border-bottom:1px solid rgba(232,179,60,.28);
  color:var(--gold);
}
.header-ledger-inner{
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding:6px var(--gutter);
  display:flex; flex-wrap:wrap; align-items:center; gap:6px 22px;
  font-size:11.5px; letter-spacing:.16em;
}
.header-ledger .ledger-coord{ color:var(--gold); font-size:11.5px; }
.ledger-note{ color:rgba(244,239,230,.72); letter-spacing:.14em; }
.ledger-note--wide{ margin-left:auto; }

.header-bar{
  position:relative;
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding:12px var(--gutter);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto auto;
  grid-template-areas:"brand search toggle";
  align-items:center;
  gap:10px;
}

.brand{
  grid-area:brand;
  display:flex; flex-direction:column; gap:2px;
  text-decoration:none;
  color:var(--paper);
  min-width:0;
}
.brand-mark{
  font-size:20px; font-weight:900; letter-spacing:-.01em;
  color:var(--paper);
  border-left:4px solid var(--flag-red);
  padding-left:10px;
  line-height:1.1;
}
.brand-tag{
  font-size:11px; letter-spacing:.14em;
  color:var(--mist);
  padding-left:14px;
}

.search-trigger{
  grid-area:search;
  display:none;
  align-items:center; justify-content:space-between; gap:14px;
  width:100%; max-width:400px;
  padding:10px 14px;
  border:1px solid rgba(232,179,60,.5);
  background-color:rgba(244,239,230,.05);
  color:var(--paper);
  font-size:14px;
  text-align:left;
  transition:border-color .2s ease,background-color .2s ease;
}
.search-trigger:hover{ border-color:var(--gold); background-color:rgba(232,179,60,.12); }
.search-trigger-label{ font-weight:700; letter-spacing:.06em; }
.search-trigger-hint{ color:var(--gold); }

.nav-toggle{
  grid-area:toggle;
  display:inline-flex; align-items:center; gap:10px;
  padding:10px 2px;
  color:var(--gold);
  font-size:13px; letter-spacing:.12em;
}
.nav-toggle-bars{
  display:block; position:relative;
  width:22px; height:2px;
  background-color:var(--gold);
  transition:background-color .2s ease;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:""; position:absolute; left:0;
  width:22px; height:2px; background-color:var(--gold);
  transition:transform .22s ease;
}
.nav-toggle-bars::before{ top:-7px; }
.nav-toggle-bars::after{ top:7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{ background-color:transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{ transform:translateY(-7px) rotate(-45deg); }

.site-nav{ grid-area:nav; display:none; }
.site-nav[data-open]{
  display:block;
  position:absolute; left:0; right:0; top:100%;
  z-index:58;
  background-color:var(--navy);
  border-top:1px solid var(--gold);
  border-bottom:1px solid rgba(232,179,60,.3);
  max-height:74vh;
  overflow-y:auto;
  box-shadow:var(--shadow-float);
}
.nav-list{ display:block; }
.nav-item{ border-bottom:1px solid rgba(244,239,230,.14); }
.nav-link{
  display:block;
  padding:15px var(--gutter);
  color:var(--paper);
  font-size:15px; letter-spacing:.06em;
  text-decoration:none;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{ background-color:rgba(232,179,60,.1); color:var(--gold); }
.site-nav .nav-cta{
  display:flex; justify-content:center;
  margin:16px var(--gutter) 6px;
}

@media (min-width:960px){
  .header-bar{
    grid-template-columns:auto minmax(0,1fr) auto;
    grid-template-areas:"brand search nav";
    padding:16px var(--gutter);
    gap:24px;
  }
  .brand{ flex-direction:row; align-items:baseline; gap:14px; }
  .brand-mark{ border-left-width:5px; font-size:22px; }
  .brand-tag{ padding-left:0; white-space:nowrap; }
  .search-trigger{ display:inline-flex; justify-self:center; }
  .nav-toggle{ display:none; }
  .site-nav{
    display:flex; align-items:center; gap:26px;
    position:static;
    background-color:transparent;
    border:0; box-shadow:none; max-height:none; overflow:visible;
  }
  .nav-list{ display:flex; align-items:center; gap:22px; }
  .nav-item{ border-bottom:0; }
  .nav-link{
    position:relative;
    padding:10px 2px;
    font-size:14px; letter-spacing:.05em;
  }
  .nav-link::after{
    content:""; position:absolute; left:0; right:0; bottom:0;
    height:2px; background-color:var(--gold);
    transform:scaleX(0); transform-origin:0 50%;
    transition:transform .25s ease;
  }
  .nav-link:hover{ background-color:transparent; }
  .nav-link:hover::after{ transform:scaleX(1); }
  .nav-link[aria-current="page"]{ color:var(--gold); font-weight:700; }
  .nav-link[aria-current="page"]::after{ transform:scaleX(1); }
  .site-nav .nav-cta{ margin:0; display:inline-flex; padding:11px 18px; font-size:14px; }
}

/* 5.1 检索图例面板 */
.search-panel{
  position:absolute; left:0; right:0; top:100%;
  z-index:56;
  background-color:var(--navy);
  border-top:1px solid var(--gold);
  border-bottom:1px solid rgba(232,179,60,.3);
  box-shadow:var(--shadow-float);
  max-height:76vh;
  overflow-y:auto;
}
.search-panel-inner{
  padding:22px 0 30px;
  display:grid;
  gap:20px;
}
@media (min-width:820px){
  .search-panel-inner{ grid-template-columns:repeat(4,1fr); gap:28px; }
  .search-panel-title{ grid-column:1 / -1; margin-bottom:4px; }
}
.search-panel-title{
  font-size:13px; letter-spacing:.16em; color:var(--gold);
  font-family:var(--font-mono);
  padding-bottom:12px;
  border-bottom:1px solid rgba(244,239,230,.16);
}
.legend-group{ display:grid; gap:10px; align-content:start; }
.legend-title{ font-size:12px; letter-spacing:.2em; color:var(--mist); text-transform:uppercase; }
.legend-links{ display:flex; flex-wrap:wrap; gap:8px; max-width:none; }
.search-panel .chip{
  border-color:rgba(244,239,230,.28);
  background-color:rgba(244,239,230,.04);
  color:var(--paper);
}
.search-panel .chip:hover{ border-color:var(--gold); color:var(--gold); background-color:rgba(232,179,60,.12); }

/* --- 6. 页脚 ------------------------------------------------------------- */
.site-footer{
  background-color:var(--navy);
  color:var(--paper);
  border-top:1px solid var(--navy-soft);
  margin-top:clamp(40px,7vw,96px);
}
.footer-flagline{
  height:6px;
  background-image:repeating-linear-gradient(115deg,
    var(--flag-red) 0 22px,
    var(--gold) 22px 44px,
    var(--jade) 44px 66px,
    var(--orange) 66px 88px);
  opacity:.9;
}
.footer-grid{
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding:8px var(--gutter) 0;
  display:grid;
  grid-template-columns:1fr;
}
.footer-col{
  padding:26px 0;
  border-top:1px solid rgba(244,239,230,.14);
}
.footer-col:first-child{ border-top:0; }
@media (min-width:700px){
  .footer-grid{ grid-template-columns:repeat(2,1fr); column-gap:32px; }
  .footer-col{ border-top:0; }
}
@media (min-width:1080px){
  .footer-grid{ grid-template-columns:1.25fr 1.35fr 1fr 1fr; column-gap:0; padding-top:0; }
  .footer-col{
    padding:34px 26px 40px;
    border-left:1px solid rgba(244,239,230,.14);
  }
  .footer-col:first-child{ padding-left:0; border-left:0; }
  .footer-col:last-child{ padding-right:0; }
}
.footer-title{
  font-size:12px; font-weight:700;
  letter-spacing:.22em;
  color:var(--gold);
  text-transform:uppercase;
  margin-bottom:14px;
}
.footer-text{ font-size:14px; line-height:1.8; color:rgba(244,239,230,.82); max-width:34ch; }
.footer-text--small{ font-size:12.5px; color:var(--mist); margin-top:12px; max-width:36ch; }
.footer-mono{ margin-top:16px; color:var(--gold); font-size:11px; letter-spacing:.2em; }

.contact-list{ display:grid; gap:14px; }
.contact-item{ display:grid; gap:3px; }
.contact-label{ font-size:11px; letter-spacing:.2em; color:var(--gold); }
.contact-value{
  font-size:14.5px; color:var(--paper);
  word-break:break-word;
  font-variant-numeric:tabular-nums;
}
.footer-list{ display:grid; gap:10px; }
.footer-list-item{ line-height:1.5; }
.footer-link{
  display:inline-block;
  font-size:14.5px;
  color:var(--paper);
  text-decoration:none;
  border-bottom:1px solid rgba(244,239,230,.3);
  padding-bottom:2px;
  transition:color .2s ease,border-color .2s ease;
}
.footer-link:hover{ color:var(--gold); border-bottom-color:var(--gold); }

.footer-bottom{
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding:18px var(--gutter) 30px;
  display:flex; flex-wrap:wrap; gap:8px 24px; justify-content:space-between;
  border-top:1px solid rgba(244,239,230,.14);
}
.footer-bottom-line{
  font-size:12.5px; color:var(--mist); max-width:70ch;
  font-variant-numeric:tabular-nums;
}
.footer-bottom-line--year{ color:rgba(244,239,230,.7); }

/* --- 7. 动效与无障碍 ----------------------------------------------------- */
.skip-link{
  position:absolute; left:-9999px; top:0; z-index:99;
  background-color:var(--gold); color:var(--navy);
  padding:12px 20px;
  font-size:14px; font-weight:700; text-decoration:none;
}
.skip-link:focus{ left:0; }

a:focus-visible,button:focus-visible,[data-tab]:focus-visible{
  outline:2px solid var(--flag-red);
  outline-offset:2px;
}
.site-header a:focus-visible,
.site-header button:focus-visible,
.site-footer a:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}

.js [data-reveal]{ opacity:0; transform:translateY(16px); }
.js [data-reveal].is-visible{
  opacity:1; transform:none;
  transition:opacity .55s ease,transform .55s ease;
}

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