/* ==========================================================================
   赢咖娱乐会馆 · 共享样式表 /assets/site.css
   夜间会馆：深墨底、暖金刻度、电光青状态、琥珀橙入口
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#0B0D10;
  --ink-2:#14181D;
  --ink-3:#232932;
  --teal:#0E3B3A;
  --paper:#F4E9D8;
  --gold:#D8A94A;
  --gold-soft:#F0C978;
  --amber:#F07A2A;
  --cyan:#3EE0D0;
  --muted:#9A8C74;

  --paper-86:rgba(244,233,216,.86);
  --paper-78:rgba(244,233,216,.78);
  --paper-66:rgba(244,233,216,.66);

  --line:rgba(216,169,74,.28);
  --line-soft:rgba(216,169,74,.12);

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;

  --gutter:clamp(20px,4vw,64px);
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-pill:999px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-lift:0 20px 48px -26px rgba(0,0,0,.95);

  --header-h:78px;
}

/* ---------- 2. 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{list-style:none;padding:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
img{height:auto}
hr{border:0;height:1px;background:var(--line-soft);margin:0}

/* ---------- 3. 基础与中文排版 ---------- */
body{
  font-family:var(--font-body);
  font-size:clamp(15px,1.05vw,17px);
  font-weight:400;
  line-height:1.8;
  color:var(--paper-86);
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 640px at 82% -12%, rgba(216,169,74,.11), transparent 62%),
    radial-gradient(900px 560px at -2% 104%, rgba(14,59,58,.55), transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.22;
  color:var(--paper);
}
h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:1.06;font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.9rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.45rem);letter-spacing:-.01em}
h4{font-size:1.02rem;letter-spacing:0}

strong,b{font-weight:600;color:var(--paper)}
em{font-style:normal;color:var(--gold-soft)}

a{color:var(--cyan);transition:color .18s var(--ease)}
a:hover{color:var(--gold-soft)}

::selection{background:rgba(216,169,74,.32);color:var(--paper)}

#main-content{scroll-margin-top:calc(var(--header-h) + 14px)}

/* 焦点环：浅金 + 电光青组合 */
:where(a,button,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  box-shadow:0 0 0 5px rgba(216,169,74,.3);
}

/* ---------- 4. 布局容器 ---------- */
.shell{
  width:100%;
  max-width:1280px;
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.shell--narrow{max-width:880px}

.section{padding-block:clamp(48px,7vw,96px)}
.section--tight{padding-block:clamp(28px,4vw,52px)}

.band{
  padding-block:clamp(16px,2.6vw,26px);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
  background:linear-gradient(90deg, rgba(14,59,58,.5), rgba(11,13,16,0) 72%);
  font-size:.88rem;
  color:var(--muted);
  letter-spacing:.02em;
}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}

/* ---------- 5. 排版组件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--muted);font-weight:500;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);flex:0 0 auto}

.lede{
  max-width:58ch;
  font-size:clamp(1rem,1.5vw,1.16rem);
  line-height:1.85;
  color:var(--paper-78);
}

.prose{max-width:68ch;display:grid;gap:1.05rem}
.prose p{color:var(--paper-78)}
.prose ul,.prose ol{display:grid;gap:.55rem;padding-left:1.1rem;list-style:disc}
.prose ol{list-style:decimal}
.prose li{color:var(--paper-78)}
.prose h3{margin-top:.4rem}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:.95rem;font-weight:500;letter-spacing:.02em;
  line-height:1.3;
  white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),
             border-color .18s var(--ease),color .18s var(--ease),
             box-shadow .18s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn--gold{color:var(--gold-soft);border-color:rgba(216,169,74,.55);background:rgba(216,169,74,.08)}
.btn--gold:hover{background:var(--gold);border-color:var(--gold);color:var(--ink)}

.btn--amber{background:var(--amber);border-color:var(--amber);color:var(--ink);font-weight:600;
            box-shadow:0 16px 32px -18px rgba(240,122,42,.95)}
.btn--amber:hover{background:#FF8F45;border-color:#FF8F45;color:var(--ink)}

.btn--ghost{color:var(--paper);border-color:var(--ink-3);background:rgba(255,255,255,.02)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-soft)}

.btn--sm{padding:.6rem 1.05rem;font-size:.86rem}

/* ---------- 7. 展签标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.28rem .72rem;
  border-radius:var(--radius-pill);
  border:1px solid rgba(216,169,74,.32);
  background:rgba(216,169,74,.08);
  color:var(--gold-soft);
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  font-variant-numeric:tabular-nums;
  line-height:1.6;
}
.tag--cyan{border-color:rgba(62,224,208,.34);background:rgba(62,224,208,.08);color:var(--cyan)}
.tag--amber{border-color:rgba(240,122,42,.38);background:rgba(240,122,42,.1);color:#FFB27A}

/* ---------- 8. 卡片与框景 ---------- */
.card{
  position:relative;
  padding:clamp(20px,2.6vw,32px);
  border-radius:var(--radius-lg);
  border:1px solid rgba(216,169,74,.16);
  background:linear-gradient(170deg, rgba(35,41,50,.9), rgba(20,24,29,.94));
  box-shadow:var(--shadow-lift);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(216,169,74,.4)}
.card--teal{
  background:linear-gradient(170deg, rgba(14,59,58,.82), rgba(11,13,16,.95));
  border-color:rgba(62,224,208,.2);
}
.card--teal:hover{border-color:rgba(62,224,208,.45)}

.frame{
  position:relative;
  padding:clamp(20px,3vw,42px);
  border:1px solid rgba(216,169,74,.38);
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(20,24,29,.72), rgba(11,13,16,.55));
}
.frame::before,.frame::after{
  content:"";position:absolute;width:16px;height:16px;border:1px solid var(--gold-soft);
}
.frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0}

.ticks{
  display:block;height:10px;width:100%;
  background-image:repeating-linear-gradient(90deg, rgba(216,169,74,.55) 0 1px, transparent 1px 26px);
  opacity:.45;
  pointer-events:none;
}

/* ---------- 9. 图片容器基础规则 ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16 / 10;
  border-radius:var(--radius-md);
  border:1px solid rgba(216,169,74,.16);
  background:
    radial-gradient(120% 90% at 18% 0%, rgba(216,169,74,.22), transparent 56%),
    linear-gradient(160deg,#171C22,#0B0D10 72%);
}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:4 / 5}
.media--square{aspect-ratio:1 / 1}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:.9rem 1.1rem;
  font-size:.78rem;letter-spacing:.04em;color:var(--paper-78);
  background:linear-gradient(180deg,transparent,rgba(11,13,16,.92));
}

/* ---------- 10. 面包屑 ---------- */
.breadcrumb{
  padding-top:clamp(16px,2vw,26px);
  font-size:.8rem;
  color:var(--muted);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem}
.breadcrumb li{display:flex;align-items:center;gap:.45rem}
.breadcrumb li + li::before{content:"/";color:rgba(154,140,116,.6)}
.breadcrumb a{color:var(--paper-66)}
.breadcrumb a:hover{color:var(--gold-soft)}
.breadcrumb [aria-current="page"]{color:var(--gold-soft)}

/* ---------- 11. 筛选芯片 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.filter-chip{
  padding:.5rem 1.05rem;
  border-radius:var(--radius-pill);
  border:1px solid rgba(216,169,74,.28);
  background:rgba(20,24,29,.72);
  color:var(--paper-78);
  font-size:.86rem;line-height:1.5;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.filter-chip:hover{border-color:var(--gold);color:var(--gold-soft)}
.filter-chip[aria-pressed="true"]{
  background:var(--gold);border-color:var(--gold);color:var(--ink);font-weight:600;
}

.is-hidden{display:none !important}

[data-filter-list].is-refiltered > *:not(.is-hidden){
  animation:filterIn .16s var(--ease) both;
}
@keyframes filterIn{
  from{opacity:0;transform:translateY(4px)}
  to{opacity:1;transform:none}
}

/* ---------- 12. 复制按钮 ---------- */
.copy-btn{
  display:inline-flex;align-items:center;gap:.3rem;
  padding:.2rem .62rem;
  border-radius:var(--radius-pill);
  border:1px solid rgba(62,224,208,.35);
  color:var(--cyan);
  font-size:.72rem;letter-spacing:.06em;line-height:1.6;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.copy-btn:hover{background:rgba(62,224,208,.14);border-color:var(--cyan)}
.copy-btn[data-copied="true"]{
  border-color:var(--gold);color:var(--gold-soft);background:rgba(216,169,74,.14);
}
.copy-btn[data-copied="false"]{
  border-color:rgba(240,122,42,.5);color:#FFB27A;background:rgba(240,122,42,.12);
}

/* ---------- 13. 入场显现 ---------- */
html.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s var(--ease),transform .32s var(--ease);
}
html.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 14. 页头 ---------- */
.skip-link{
  position:fixed;
  left:clamp(12px,3vw,32px);
  top:0;
  z-index:300;
  transform:translateY(-160%);
  padding:.7rem 1.15rem;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  background:var(--gold);
  color:var(--ink);
  font-weight:700;
  font-size:.92rem;
  transition:transform .2s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0);outline-offset:2px}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:linear-gradient(180deg, rgba(11,13,16,.97), rgba(11,13,16,.88));
  border-bottom:1px solid var(--line-soft);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
}
.site-header::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(216,169,74,.75),transparent);
  pointer-events:none;
}

.header-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--amber) 55%,var(--cyan));
  transform:scaleX(0);
  transform-origin:0 50%;
  opacity:.9;
  pointer-events:none;
}

.header-shell{
  display:flex;
  align-items:center;
  gap:clamp(14px,2.4vw,36px);
  min-height:var(--header-h);
  padding-block:11px;
}

/* 品牌 */
.brand{
  display:inline-flex;align-items:center;gap:12px;
  flex:0 0 auto;
  color:var(--paper);
}
.brand:hover{color:var(--paper)}

.brand-mark{
  position:relative;
  flex:0 0 auto;
  width:38px;height:38px;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(150deg, rgba(216,169,74,.3), rgba(14,59,58,.8));
  border:1px solid rgba(216,169,74,.5);
  box-shadow:inset 0 0 14px rgba(216,169,74,.2);
}
.brand-mark::before{
  content:"";
  width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%, var(--gold-soft), var(--gold) 58%, #8A6520 100%);
  box-shadow:0 0 12px rgba(240,201,120,.65);
}

.brand-text{display:block}
.brand-name{
  display:block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.06rem;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--paper);
}
.brand-sub{
  display:block;
  font-size:.62rem;
  letter-spacing:.24em;
  text-transform:uppercase;
  line-height:1.4;
  color:var(--muted);
}

/* 主导航 */
.site-nav{margin-inline-start:auto}

.site-nav__list{display:flex;align-items:center;gap:clamp(2px,.8vw,8px)}

.site-nav__list a{
  position:relative;
  display:inline-flex;align-items:center;
  padding:.55rem .68rem;
  border-radius:var(--radius-pill);
  font-size:.94rem;
  color:var(--paper-78);
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.site-nav__list a::after{
  content:"";
  position:absolute;left:.68rem;right:.68rem;bottom:.26rem;
  height:1px;background:var(--gold-soft);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.site-nav__list a:hover{color:var(--paper);background:rgba(216,169,74,.08)}
.site-nav__list a:hover::after,
.site-nav__list a[aria-current="page"]::after{transform:scaleX(1)}
.site-nav__list a[aria-current="page"]{
  color:var(--gold-soft);
  background:rgba(216,169,74,.1);
}

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

.support-pill{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.5rem .85rem;
  border-radius:var(--radius-pill);
  border:1px solid rgba(62,224,208,.32);
  background:rgba(14,59,58,.5);
  color:var(--paper);
  font-size:.85rem;line-height:1.5;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.support-pill:hover{
  border-color:var(--cyan);
  background:rgba(14,59,58,.88);
  color:var(--paper);
  transform:translateY(-1px);
}
.support-pill__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  flex:0 0 auto;
  animation:pulseDot 2.6s var(--ease) infinite;
}
.support-pill__label{white-space:nowrap}
.support-pill__time{
  color:var(--muted);
  font-size:.76rem;
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
@keyframes pulseDot{
  0%,100%{box-shadow:0 0 0 0 rgba(62,224,208,.5)}
  50%{box-shadow:0 0 0 6px rgba(62,224,208,0)}
}

.header-cta{display:inline-flex}

.nav-toggle{
  display:none;
  align-items:center;gap:.5rem;
  padding:.5rem .8rem;
  border-radius:var(--radius-pill);
  border:1px solid var(--ink-3);
  color:var(--paper);
  font-size:.86rem;line-height:1.5;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold-soft)}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{
  display:block;height:1.5px;border-radius:2px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle__label{white-space:nowrap}

.site-header[data-open] .nav-toggle{border-color:var(--gold);color:var(--gold-soft)}
.site-header[data-open] .nav-toggle__bars span:first-child{transform:translateY(2.75px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:last-child{transform:translateY(-2.75px) rotate(-45deg)}

/* ---------- 15. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,120px);
  background:
    linear-gradient(180deg, rgba(14,59,58,.34), rgba(11,13,16,0) 40%),
    var(--ink-2);
  border-top:1px solid var(--line);
  color:var(--paper-78);
}
.site-footer .ticks{opacity:.38}

.footer-shell{padding-block:clamp(34px,5vw,64px) clamp(18px,2.4vw,26px)}

.footer-top{
  display:grid;
  gap:clamp(28px,4vw,56px);
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.55fr);
  padding-block:clamp(30px,4vw,52px) clamp(28px,3.4vw,44px);
}

.footer-brand .brand{margin-bottom:1.1rem}
.footer-brand__line{
  font-family:var(--font-display);
  font-size:1.1rem;
  line-height:1.7;
  color:var(--paper);
  max-width:24ch;
}
.footer-brand__note{
  margin-top:.9rem;
  max-width:36ch;
  font-size:.86rem;
  line-height:1.9;
  color:var(--muted);
}

.footer-cols{
  display:grid;
  gap:clamp(20px,3vw,40px);
  grid-template-columns:repeat(3,minmax(0,1fr));
}
.footer-col__title{
  margin-bottom:.9rem;
  padding-bottom:.5rem;
  font-family:var(--font-display);
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--gold);
  border-bottom:1px solid var(--line-soft);
}
.footer-col ul{display:grid;gap:.55rem}
.footer-col a{
  display:inline-block;
  font-size:.92rem;
  color:var(--paper-66);
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(3px)}

.footer-contact{
  display:grid;
  gap:1px;
  grid-template-columns:repeat(auto-fit,minmax(216px,1fr));
  border:1px solid var(--line-soft);
  border-radius:var(--radius-md);
  background:rgba(216,169,74,.14);
  overflow:hidden;
}
.footer-contact__item{
  display:grid;gap:6px;
  padding:16px 18px;
  background:rgba(11,13,16,.62);
}
.footer-label{
  font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
}
.footer-value{
  display:flex;align-items:center;gap:.55rem;flex-wrap:wrap;
  font-size:.94rem;
  color:var(--paper);
  font-variant-numeric:tabular-nums;
  line-height:1.7;
}
.footer-value__text{word-break:break-word}

.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 22px;
  margin-top:clamp(22px,3vw,34px);
  padding-top:20px;
  border-top:1px solid var(--line-soft);
  font-size:.82rem;
  color:var(--muted);
}
.footer-copy{letter-spacing:.02em}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-legal-links a{color:var(--paper-66);font-size:.82rem}
.footer-legal-links a:hover{color:var(--gold-soft)}
.footer-icp{font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1080px){
  .support-pill__time{display:none}
}

@media (max-width:980px){
  :root{--header-h:70px}
  .nav-toggle{display:inline-flex}
  .header-tools{margin-inline-start:auto}
  .site-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    padding:12px var(--gutter) 22px;
    background:linear-gradient(180deg, rgba(20,24,29,.99), rgba(11,13,16,.99));
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 54px -22px rgba(0,0,0,.96);
  }
  .site-header[data-open] .site-nav{display:block;animation:navIn .22s var(--ease) both}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__list li + li{border-top:1px solid rgba(216,169,74,.09)}
  .site-nav__list a{
    display:block;
    padding:.9rem .9rem;
    border-radius:0;
    font-size:1rem;
  }
  .site-nav__list a::after{display:none}
  .site-nav__list a:hover{background:rgba(216,169,74,.08)}
  @keyframes navIn{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:none}
  }
  .footer-top{grid-template-columns:1fr}
  .footer-brand__line{max-width:30ch}
}

@media (max-width:820px){
  .footer-cols{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
}

@media (max-width:600px){
  .brand-sub{display:none}
  .brand-mark{width:34px;height:34px;border-radius:10px}
  .brand-name{font-size:1rem}
  .header-cta{display:none}
  .header-shell{gap:10px}
  .btn{padding:.8rem 1.25rem}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}

@media (max-width:400px){
  .support-pill__label{display:none}
  .support-pill{padding:.5rem .62rem}
}

/* ---------- 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;
  }
  html.js [data-reveal]{
    opacity:1 !important;
    transform:none !important;
    transition:none !important;
  }
  .support-pill__dot{animation:none}
  .btn:hover{transform:none}
  .footer-col a:hover{transform:none}
}