/* ============================================================
   壹号娱乐会馆 · 共享样式表 /assets/site.css
   气质：午夜会馆 × 数字档案室
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#0A1826;
  --harbor:#12293F;
  --gold:#C8A44A;
  --gold-hi:#E9CE86;
  --parchment:#F4EDDD;
  --ember:#E0763C;
  --celadon:#5A9C87;
  --mist:#93A7BC;
  --sepia:#1B1512;
  --dawn:#DDE4EC;

  --line:rgba(200,164,74,.30);
  --line-soft:rgba(200,164,74,.14);
  --line-strong:rgba(233,206,134,.55);

  --font-display:"Source Han Serif SC","Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-body:"Source Han Sans SC","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --shell-w:1320px;
  --gutter:24px;
  --dock-h:44px;

  --ease:cubic-bezier(.4,0,.2,1);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;

  --shadow-card:0 26px 50px -34px rgba(0,0,0,.95);
  --shadow-float:0 34px 60px -30px rgba(0,0,0,.95);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:110px;
}

body{
  margin:0;
  padding-bottom:var(--dock-h);
  background-color:var(--ink);
  background-image:
    radial-gradient(1200px 620px at 12% -12%, rgba(18,41,63,.95), transparent 62%),
    radial-gradient(900px 520px at 104% -6%, rgba(200,164,74,.10), transparent 58%),
    linear-gradient(180deg, rgba(10,24,38,1), rgba(8,19,30,1));
  background-attachment:fixed;
  color:var(--dawn);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
table{border-collapse:collapse;width:100%}

::selection{background:rgba(200,164,74,.35);color:var(--parchment)}

:focus-visible{
  outline:2px solid var(--gold-hi);
  outline-offset:3px;
  border-radius:4px;
}

#main-content{display:block;outline:none}

/* ---------- 3. 排版基元 ---------- */
.display-xl,
.display-l,
.display-m{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--parchment);
}

.display-xl{font-size:clamp(34px,5vw,64px);line-height:1.1}
.display-l{font-size:clamp(26px,3.4vw,40px);line-height:1.18}
.display-m{font-size:clamp(20px,2.2vw,28px);line-height:1.3}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
}

.lede{
  font-size:clamp(16px,1.15vw,18px);
  line-height:1.9;
  color:var(--dawn);
  opacity:.88;
  max-width:38em;
}

.muted{color:var(--mist)}

.num,
.index-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}

.index-num{
  display:inline-block;
  font-size:clamp(30px,3.4vw,44px);
  font-weight:700;
  color:var(--gold);
  line-height:1;
}

.rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg, var(--line), rgba(200,164,74,.06));
}

/* ---------- 4. 布局容器 ---------- */
.shell{
  width:min(var(--shell-w), 100% - 48px);
  margin-inline:auto;
}

.section{
  padding-block:clamp(40px,6vw,76px);
  position:relative;
}

.section + .section{
  border-top:1px solid var(--line-soft);
}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 18px;
  margin-bottom:clamp(22px,3vw,38px);
}

.section-title{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(20px,2.2vw,28px);
  line-height:1.3;
  color:var(--parchment);
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-family:var(--font-body);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.2;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .26s var(--ease), box-shadow .26s var(--ease),
             background-color .26s var(--ease), border-color .26s var(--ease),
             color .26s var(--ease);
}

.btn-primary{
  background:linear-gradient(180deg,#E8874E,var(--ember));
  color:#19100A;
  box-shadow:0 14px 28px -18px rgba(224,118,60,.95);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 34px -16px rgba(224,118,60,1);
}

.btn-ghost{
  background:rgba(18,41,63,.6);
  border-color:var(--line);
  color:var(--gold-hi);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  background:rgba(18,41,63,.92);
}

.btn-small{padding:8px 16px;font-size:13px}

/* ---------- 6. 栅格与卡片 ---------- */
.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}

.card{
  position:relative;
  padding:24px;
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  background:linear-gradient(158deg, rgba(18,41,63,.92), rgba(11,26,41,.78));
  box-shadow:inset 0 1px 0 rgba(233,206,134,.07);
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover{
  transform:translateY(-6px);
  border-color:var(--line);
  box-shadow:var(--shadow-card), inset 0 1px 0 rgba(233,206,134,.12);
}

.card-title{
  font-family:var(--font-display);
  font-weight:800;
  font-size:19px;
  line-height:1.4;
  color:var(--parchment);
}

.card-meta{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mist);
}

/* ---------- 7. 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid rgba(90,156,135,.45);
  border-radius:var(--r-pill);
  background:rgba(90,156,135,.14);
  color:var(--celadon);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.6;
}

.tag--gold{
  border-color:rgba(200,164,74,.45);
  background:rgba(200,164,74,.13);
  color:var(--gold-hi);
}

.tag--ember{
  border-color:rgba(224,118,60,.45);
  background:rgba(224,118,60,.14);
  color:#F0A47A;
}

/* ---------- 8. 正文容器 ---------- */
.prose{
  max-width:38em;
  color:var(--dawn);
  line-height:1.9;
}
.prose > * + *{margin-top:1.05em}
.prose h2,
.prose h3{
  font-family:var(--font-display);
  color:var(--parchment);
  line-height:1.35;
}
.prose h2{font-size:clamp(20px,2vw,26px);margin-top:1.6em}
.prose h3{font-size:clamp(17px,1.5vw,20px);margin-top:1.4em}
.prose ul,
.prose ol{padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li + li{margin-top:.5em}

.prose--paper{
  max-width:42em;
  padding:clamp(24px,4vw,46px);
  border:1px solid rgba(27,21,18,.12);
  border-radius:var(--r-md);
  background:var(--parchment);
  color:var(--sepia);
}
.prose--paper h2,
.prose--paper h3{color:var(--sepia)}
.prose--paper .eyebrow{color:#8A6A1E}
.prose--paper a{border-bottom:1px solid rgba(138,106,30,.5)}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0;
  padding-block:18px 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mist);
}
.breadcrumb li{display:flex;align-items:center}
.breadcrumb li + li::before{
  content:"/";
  margin:0 9px;
  color:rgba(200,164,74,.4);
}
.breadcrumb a{color:var(--mist);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--gold-hi)}
.breadcrumb [aria-current="page"]{color:var(--gold-hi)}

/* ---------- 10. 图片容器基础规则 ---------- */
.figure{
  position:relative;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  background:
    radial-gradient(120% 90% at 78% 0%, rgba(200,164,74,.18), transparent 62%),
    linear-gradient(155deg, var(--harbor), #08131E 82%);
  box-shadow:inset 0 1px 0 rgba(233,206,134,.08);
}
.figure::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(244,237,221,.022) 0 1px, transparent 1px 4px);
}
.figure img{
  position:relative;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:1;
}
.figure--wide{aspect-ratio:16 / 9}
.figure--tall{aspect-ratio:3 / 4}
.figure--square{aspect-ratio:1 / 1}
.figure-caption{
  position:relative;
  z-index:2;
  padding:10px 16px;
  border-top:1px solid var(--line-soft);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.7;
  color:var(--mist);
  background:rgba(10,24,38,.5);
}

/* ---------- 11. 头部 ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:20px;
  z-index:200;
  padding:10px 20px;
  border-radius:var(--r-sm);
  background:var(--gold);
  color:var(--ink);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:16px}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg, rgba(10,24,38,.97), rgba(10,24,38,.86));
  border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

.site-header::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:1px;
  width:calc(var(--scroll-progress, 0) * 100%);
  max-width:100%;
  background:linear-gradient(90deg, rgba(200,164,74,.15), var(--gold-hi));
  pointer-events:none;
}

.header-shell{
  position:relative;
  width:min(var(--shell-w), 100% - 48px);
  margin-inline:auto;
  min-height:78px;
  padding-block:12px;
  display:flex;
  align-items:center;
  gap:18px;
  transition:min-height .3s var(--ease), padding .3s var(--ease);
}
.site-header[data-scrolled] .header-shell{min-height:62px;padding-block:7px}

.brand-islet{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:8px 18px 8px 10px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:linear-gradient(140deg, rgba(18,41,63,.96), rgba(10,24,38,.72));
  box-shadow:inset 0 1px 0 rgba(233,206,134,.12), 0 12px 26px -22px #000;
  transition:border-color .26s var(--ease), box-shadow .26s var(--ease);
}
.brand-islet:hover{
  border-color:var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(233,206,134,.2), 0 16px 30px -20px #000;
}

.brand-mark{
  width:36px;
  height:36px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:9px;
  background:linear-gradient(158deg, var(--gold-hi), #9C7B2C);
  color:var(--ink);
  font-family:var(--font-display);
  font-weight:900;
  font-size:19px;
  line-height:1;
}

.brand-text{display:block;min-width:0}

.brand-name{
  display:block;
  font-family:var(--font-display);
  font-weight:900;
  font-size:16.5px;
  letter-spacing:.04em;
  line-height:1.3;
  color:var(--parchment);
  white-space:nowrap;
}

.brand-line{
  display:block;
  margin-top:2px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  line-height:1.4;
  color:var(--mist);
  white-space:nowrap;
  transition:opacity .26s var(--ease);
}
.site-header[data-scrolled] .brand-line{opacity:.45}

.nav-capsule{
  padding:5px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:linear-gradient(180deg, rgba(18,41,63,.94), rgba(14,33,52,.72));
  box-shadow:0 12px 30px -22px rgba(0,0,0,.95), inset 0 1px 0 rgba(233,206,134,.08);
}

.nav-list{
  display:flex;
  align-items:center;
  gap:2px;
}

.nav-link{
  position:relative;
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:13.5px;
  font-weight:500;
  letter-spacing:.02em;
  line-height:1.5;
  color:var(--mist);
  white-space:nowrap;
  transition:color .24s var(--ease), background-color .24s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:5px;
  height:1px;
  background:var(--gold-hi);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--parchment)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{
  background:linear-gradient(180deg, var(--gold-hi), var(--gold));
  color:#0A1826;
  font-weight:700;
}
.nav-link[aria-current="page"]::after{display:none}

.header-side{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:16px;
}

.quick-entries{
  display:none;
  align-items:center;
  gap:14px;
}
.quick-entries li{display:flex;align-items:center}
.quick-entries li + li{
  padding-left:14px;
  border-left:1px solid var(--line-soft);
}
.quick-entries a{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mist);
  transition:color .22s var(--ease);
}
.quick-entries a:hover{color:var(--gold-hi)}

.header-cta{padding:10px 20px;font-size:13.5px}

.nav-toggle{
  display:none;
  position:relative;
  width:46px;
  height:46px;
  flex:0 0 auto;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(18,41,63,.9);
  transition:border-color .24s var(--ease), background-color .24s var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong)}

.nav-toggle-bars{
  position:absolute;
  left:50%;
  top:50%;
  width:18px;
  height:2px;
  background:var(--gold-hi);
  transform:translate(-50%,-50%);
  transition:background-color .22s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:var(--gold-hi);
  transition:transform .26s var(--ease), top .26s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg)}

/* ---------- 12. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(10,24,38,.85), var(--harbor) 70%, #0C1D2E);
}

.footer-shell{
  width:min(var(--shell-w), 100% - 48px);
  margin-inline:auto;
  padding-block:clamp(38px,5vw,60px) 30px;
}

.footer-masthead{
  padding-bottom:26px;
  border-bottom:1px solid var(--line-soft);
}

.footer-brand{
  display:inline-block;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(20px,2.2vw,26px);
  letter-spacing:.04em;
  color:var(--parchment);
  transition:color .24s var(--ease);
}
.footer-brand:hover{color:var(--gold-hi)}

.footer-tagline{
  margin-top:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--gold);
}

.footer-note{
  margin-top:10px;
  font-size:13px;
  line-height:1.8;
  color:var(--mist);
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:30px;
  padding-block:30px;
}

.footer-col-title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--gold);
}

.footer-links li + li{margin-top:10px}

.footer-links a,
.footer-text{
  display:inline-block;
  font-size:13.5px;
  line-height:1.7;
  color:var(--mist);
}

.footer-links a{
  position:relative;
  transition:color .22s var(--ease);
}
.footer-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:1px;
  background:var(--gold-hi);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .3s var(--ease);
}
.footer-links a:hover{color:var(--gold-hi)}
.footer-links a:hover::after{transform:scaleX(1)}

.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:10px 24px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
}

.footer-copy{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.8;
  color:var(--mist);
}
.footer-copy--soft{opacity:.7}

.cs-dock{
  position:fixed;
  right:22px;
  bottom:calc(var(--dock-h) + 18px);
  z-index:75;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border-radius:var(--r-pill);
  background:linear-gradient(180deg, var(--gold-hi), var(--gold));
  color:#0A1826;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:0 16px 34px -18px rgba(0,0,0,.95);
  transition:transform .26s var(--ease), box-shadow .26s var(--ease);
}
.cs-dock::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--celadon);
  box-shadow:0 0 0 3px rgba(90,156,135,.28);
}
.cs-dock:hover{
  transform:translateY(-3px);
  box-shadow:0 20px 40px -16px rgba(0,0,0,1);
}

.footer-dock{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:70;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:var(--dock-h);
  padding:7px 16px;
  border-top:1px solid var(--line);
  background:rgba(9,20,32,.95);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.6;
  color:var(--mist);
  text-align:center;
}
.dock-sep{color:rgba(200,164,74,.55)}

/* ---------- 13. 响应式 ---------- */
@media (min-width:1200px){
  .quick-entries{display:flex}
}

@media (max-width:1023px){
  :root{--gutter:18px}

  .header-shell{min-height:68px;padding-block:10px;gap:12px}

  .brand-islet{padding:7px 14px 7px 8px;border-radius:var(--r-md)}
  .brand-mark{width:32px;height:32px;font-size:17px}
  .brand-name{font-size:15.5px}
  .brand-line{font-size:9.5px;letter-spacing:.1em}

  .nav-toggle{display:block}

  .nav-capsule{
    position:absolute;
    top:calc(100% + 10px);
    left:50%;
    transform:translateX(-50%);
    width:min(620px, calc(100% - 32px));
    display:none;
    padding:14px;
    border-radius:var(--r-lg);
    background:linear-gradient(180deg, rgba(18,41,63,.99), rgba(9,20,32,.99));
    box-shadow:var(--shadow-float);
  }
  .nav-capsule[data-open]{
    display:block;
    animation:navDrop .26s var(--ease) both;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-item{width:100%}
  .nav-link{padding:13px 16px;border-radius:var(--r-md);font-size:15.5px}
  .nav-link::after{display:none}

  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
}

@media (max-width:640px){
  :root{--dock-h:56px}

  .shell,
  .header-shell,
  .footer-shell{width:calc(100% - 32px)}

  .header-cta{display:none}

  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-base{flex-direction:column;align-items:flex-start}

  .cs-dock{right:14px;bottom:calc(var(--dock-h) + 12px);padding:9px 16px;font-size:12px}

  .footer-dock{font-size:10px;gap:6px}
  .dock-sep{display:none}
}

@keyframes navDrop{
  from{opacity:0;transform:translateX(-50%) translateY(-10px)}
  to{opacity:1;transform:translateX(-50%) translateY(0)}
}

/* ---------- 14. 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}

  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }

  .nav-capsule[data-open]{animation:none}
  .card:hover,
  .btn:hover,
  .cs-dock:hover{transform:none}
}