/* ===========================================================
   非凡娱乐会馆 · 共享样式 /assets/site.css
   =========================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;background:#0B0D0C;}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;}
ul[class],ol[class]{list-style:none;}
img,svg,video{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
i{font-style:normal;}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.32;letter-spacing:.02em;}

/* ---------- 2. Variables ---------- */
:root{
  --ink:#0B0D0C;
  --ink-soft:#12201D;
  --teal-deep:#1F3A35;
  --gold:#D6A84B;
  --gold-bright:#F3D28C;
  --cinnabar:#C8553D;
  --celadon:#7FA99A;
  --paper:#F1E8D6;
  --mist:#AEB4AE;
  --champagne:#FFF7E6;

  --line:rgba(214,168,75,.20);
  --line-strong:rgba(214,168,75,.46);
  --line-soft:rgba(174,180,174,.16);

  --rail-w:276px;
  --bar-h:64px;
  --gutter:clamp(1.15rem,4vw,4rem);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;

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

  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-soft:0 26px 60px -34px rgba(0,0,0,.95);
}

/* ---------- 3. Base & typography ---------- */
body{
  min-height:100vh;
  padding-top:var(--bar-h);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.85;
  letter-spacing:.012em;
  color:var(--paper);
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 520px at 92% -6%, rgba(214,168,75,.10), transparent 62%),
    radial-gradient(900px 480px at 4% 106%, rgba(127,169,154,.09), transparent 64%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-nav-locked{overflow:hidden;}

p{max-width:70ch;}
strong{color:var(--champagne);font-weight:700;}
small{font-size:.8rem;color:var(--mist);}
::selection{background:rgba(214,168,75,.32);color:var(--champagne);}

:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px;border-radius:6px;}
:focus:not(:focus-visible){outline:none;}

/* ---------- 4. Skip link ---------- */
.skip-link{
  position:fixed;
  top:.6rem;left:50%;
  z-index:400;
  transform:translate(-50%,-180%);
  padding:.62rem 1.25rem;
  border-radius:999px;
  background:var(--gold-bright);
  color:#12100a;
  font-size:.85rem;
  font-weight:700;
  letter-spacing:.1em;
  transition:transform .22s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translate(-50%,0);outline-offset:4px;}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.74rem 1.2rem;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-body);
  font-size:.86rem;
  font-weight:600;
  letter-spacing:.1em;
  line-height:1.3;
  text-align:center;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),filter .22s var(--ease);
}
.btn--gold{
  background:linear-gradient(118deg,var(--gold-bright),var(--gold) 66%,#c08f2c);
  color:#12100a;
  border-color:rgba(255,247,230,.35);
  box-shadow:0 12px 26px -16px rgba(214,168,75,.9);
}
.btn--gold:hover{filter:brightness(1.06);transform:translateY(-1px);}
.btn--line{
  color:var(--gold-bright);
  border-color:var(--line-strong);
  background:rgba(31,58,53,.42);
}
.btn--line:hover{background:rgba(31,58,53,.8);border-color:var(--gold);}
.btn:active{transform:translateY(0);}
.button-row{display:flex;flex-wrap:wrap;gap:.6rem;}

/* ---------- 6. Header: 会馆轨道 ---------- */
.site-rail{
  position:fixed;
  inset:0 auto 0 0;
  z-index:80;
  display:flex;
  flex-direction:column;
  width:var(--rail-w);
  padding:1.55rem 1.3rem 1.4rem;
  background:linear-gradient(180deg,rgba(18,32,29,.97) 0%,rgba(13,22,20,.98) 55%,rgba(11,13,12,.99) 100%);
  border-right:1px solid var(--line);
  box-shadow:22px 0 60px -46px rgba(0,0,0,1);
}
.site-rail::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:220px;
  pointer-events:none;
  background:radial-gradient(140px 110px at 22% 0%,rgba(214,168,75,.20),transparent 72%);
}

/* 阅读进度 */
.rail-progress{
  position:fixed;
  top:0;left:0;right:0;
  height:2px;
  z-index:200;
  pointer-events:none;
  background:rgba(214,168,75,.10);
}
.rail-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold) 55%,var(--gold-bright));
  transition:transform .12s linear;
}

/* 品牌行 */
.rail-head{
  position:relative;
  z-index:96;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding-bottom:1.15rem;
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:.72rem;min-width:0;}
.brand__mark{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(214,168,75,.30),rgba(200,85,61,.18) 62%,rgba(11,13,12,0));
  color:var(--gold-bright);
  font-family:var(--font-display);
  font-size:1.28rem;
  font-weight:700;
  line-height:1;
  box-shadow:inset 0 0 0 1px rgba(255,247,230,.06);
}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{
  font-family:var(--font-display);
  font-size:1.04rem;
  font-weight:800;
  letter-spacing:.08em;
  line-height:1.35;
  color:var(--champagne);
}
.brand__eyebrow{
  margin-top:.14rem;
  font-size:.62rem;
  letter-spacing:.12em;
  line-height:1.55;
  color:var(--mist);
}

/* 移动端开合按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:.5rem;
  padding:.5rem .8rem;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:rgba(31,58,53,.72);
  color:var(--gold-bright);
  font-size:.74rem;
  letter-spacing:.14em;
  transition:background-color .22s var(--ease),border-color .22s var(--ease);
}
.nav-toggle:hover{background:rgba(31,58,53,.95);border-color:var(--gold);}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px;}
.nav-toggle__bars i{
  display:block;
  height:1.5px;
  width:100%;
  border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--ease),opacity .2s var(--ease);
}
.nav-toggle__text{white-space:nowrap;}

/* 面板 */
.rail-panel{
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
  min-height:0;
  gap:1rem;
  padding-top:1.15rem;
  overflow-y:auto;
  scrollbar-width:thin;
}
.rail-kicker{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.3em;
  color:var(--gold);
  text-transform:uppercase;
}
.rail-nav__list{display:flex;flex-direction:column;gap:.16rem;}
.rail-nav__item{list-style:none;}
.rail-nav__link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:.85rem;
  padding:.6rem .8rem;
  border:1px solid transparent;
  border-radius:12px;
  color:var(--paper);
  transition:background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.rail-nav__index{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--mist);
  transition:color .22s var(--ease);
}
.rail-nav__label{
  font-family:var(--font-display);
  font-size:1rem;
  font-weight:600;
  letter-spacing:.06em;
}
.rail-nav__link:hover{
  background:rgba(31,58,53,.62);
  border-color:var(--line);
  transform:translateX(2px);
}
.rail-nav__link:hover .rail-nav__index{color:var(--gold-bright);}
.rail-nav__link[aria-current="page"]{
  background:linear-gradient(100deg,rgba(214,168,75,.18),rgba(31,58,53,.38));
  border-color:var(--line-strong);
  color:var(--champagne);
  box-shadow:inset 2px 0 0 var(--gold);
}
.rail-nav__link[aria-current="page"] .rail-nav__index{color:var(--gold-bright);}
.rail-actions{
  display:flex;
  flex-direction:column;
  gap:.55rem;
  margin-top:auto;
  padding-top:1.05rem;
  border-top:1px solid var(--line);
}
.rail-note{
  font-size:.72rem;
  line-height:1.75;
  letter-spacing:.04em;
  color:var(--mist);
  max-width:22em;
}

/* ---------- 7. Footer ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:clamp(3rem,8vw,6.5rem);
  padding:clamp(2.4rem,6vw,4.4rem) 0 clamp(1.4rem,4vw,2.2rem);
  border-top:1px solid var(--line);
  background:
    radial-gradient(760px 320px at 84% -12%,rgba(214,168,75,.16),transparent 66%),
    radial-gradient(620px 300px at 4% 112%,rgba(127,169,154,.12),transparent 62%),
    linear-gradient(180deg,#0d1614 0%,#0B0D0C 74%);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(214,168,75,.055) 0 1px,transparent 1px 132px);
  opacity:.6;
}
.footer-inner{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr);
  gap:clamp(1.2rem,4vw,3rem);
  align-items:end;
  padding-bottom:clamp(1.6rem,4vw,2.6rem);
  border-bottom:1px solid var(--line);
}
.footer-eyebrow{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:.9rem;
}
.footer-tagline{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.45rem,3.1vw,2.3rem);
  line-height:1.45;
  letter-spacing:.02em;
  color:var(--champagne);
  max-width:22em;
}
.footer-actions{display:flex;flex-wrap:wrap;gap:.6rem;}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr .8fr .8fr;
  gap:clamp(1.4rem,4vw,3rem);
  padding-block:clamp(1.8rem,4vw,2.8rem);
}
.footer-col{min-width:0;}
.footer-col__title{
  position:relative;
  margin-bottom:1rem;
  padding-left:.9rem;
  font-family:var(--font-display);
  font-size:.94rem;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--gold-bright);
}
.footer-col__title::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:.4rem;height:.4rem;
  border-radius:50%;
  background:var(--cinnabar);
}
.contact-list{display:flex;flex-direction:column;gap:.6rem;}
.contact-item{
  display:grid;
  grid-template-columns:4.6rem minmax(0,1fr) auto;
  gap:.55rem;
  align-items:center;
  padding:.55rem .7rem;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(31,58,53,.34);
}
.contact-item__label{
  font-size:.68rem;
  letter-spacing:.12em;
  color:var(--mist);
  white-space:nowrap;
}
.contact-item__value{
  font-size:.88rem;
  line-height:1.6;
  color:var(--paper);
  word-break:break-word;
}
.contact-item__value--mono{font-family:var(--font-mono);letter-spacing:.02em;}
a.contact-item__value:hover{color:var(--gold-bright);}
.copy-btn{
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.12em;
  padding:.26rem .58rem;
  border-radius:999px;
  border:1px solid var(--line-strong);
  color:var(--gold-bright);
  background:transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.copy-btn:hover{background:rgba(214,168,75,.16);}
.copy-btn.is-copied{background:var(--gold-bright);color:#12100a;border-color:var(--gold-bright);}
.copy-status{
  min-height:1.4em;
  margin-top:.55rem;
  font-size:.74rem;
  letter-spacing:.04em;
  color:var(--celadon);
}
.footer-note{
  margin-top:.7rem;
  font-size:.76rem;
  line-height:1.75;
  color:var(--mist);
  max-width:34em;
}
.footer-links{display:flex;flex-direction:column;gap:.1rem;}
.footer-link{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  width:fit-content;
  padding:.4rem 0;
  font-size:.9rem;
  color:var(--paper);
  transition:color .2s var(--ease);
}
.footer-link::before{
  content:"";
  width:.5rem;height:1px;
  background:var(--gold);
  opacity:.6;
  transition:width .2s var(--ease),opacity .2s var(--ease);
}
.footer-link:hover{color:var(--gold-bright);}
.footer-link:hover::before{width:1.05rem;opacity:1;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem 1.4rem;
  justify-content:space-between;
  align-items:center;
  padding-top:1.15rem;
  border-top:1px solid var(--line);
  font-size:.74rem;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-copyright,.footer-icp{font-family:var(--font-mono);letter-spacing:.08em;}

/* ---------- 8. Shared page components ---------- */
.shell{
  width:100%;
  max-width:1240px;
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.page-head{padding-block:clamp(2.2rem,6vw,4.2rem) clamp(1rem,3vw,1.8rem);}
.page-head__eyebrow{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:.9rem;
}
.page-head__title{
  font-size:clamp(2rem,5vw,3.6rem);
  font-weight:800;
  color:var(--champagne);
  letter-spacing:.02em;
  max-width:16em;
}
.page-head__lede{
  margin-top:1rem;
  max-width:44ch;
  font-size:1.02rem;
  color:var(--mist);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--mist);
}
.breadcrumb__link{color:var(--paper);transition:color .2s var(--ease);}
.breadcrumb__link:hover{color:var(--gold-bright);}
.breadcrumb__sep{color:var(--line-strong);}
.section{padding-block:clamp(1.8rem,5vw,3.4rem);}
.section__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:.5rem 1.4rem;
  margin-bottom:clamp(1.1rem,3vw,1.9rem);
}
.section__title{
  font-size:clamp(1.45rem,2.7vw,2.15rem);
  color:var(--champagne);
  letter-spacing:.02em;
}
.section__note{font-size:.84rem;color:var(--mist);}
.grid{display:grid;gap:clamp(1rem,2.4vw,1.8rem);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--split{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--asym{grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);}
.card{
  position:relative;
  padding:clamp(1.05rem,2.4vw,1.7rem);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(31,58,53,.55),rgba(11,13,12,.78));
  overflow:hidden;
}
.card__meta{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.16em;
  color:var(--celadon);
  margin-bottom:.55rem;
}
.card__title{
  font-size:1.12rem;
  color:var(--champagne);
  margin-bottom:.5rem;
}
.card__body{font-size:.93rem;color:var(--mist);}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.2rem .62rem;
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-size:.68rem;
  letter-spacing:.14em;
  color:var(--gold-bright);
  background:rgba(214,168,75,.07);
}
.tag--celadon{border-color:rgba(127,169,154,.52);color:var(--celadon);background:rgba(127,169,154,.10);}
.tag--cinnabar{border-color:rgba(200,85,61,.55);color:#e2896f;background:rgba(200,85,61,.12);}
.stat__value{
  font-family:var(--font-mono);
  font-size:clamp(1.5rem,3vw,2.2rem);
  line-height:1.15;
  letter-spacing:.02em;
  color:var(--gold-bright);
}
.stat__label{
  margin-top:.35rem;
  font-size:.74rem;
  letter-spacing:.16em;
  color:var(--mist);
}
.rule{
  height:1px;
  border:0;
  margin-block:clamp(1.4rem,4vw,2.4rem);
  background:linear-gradient(90deg,var(--line-strong),rgba(214,168,75,.04));
}
.prose{max-width:64ch;color:var(--paper);}
.prose p+p{margin-top:1em;}
.prose h2,.prose h3{margin-top:1.6em;margin-bottom:.6em;color:var(--champagne);}
.prose a{color:var(--gold-bright);text-decoration:underline;text-underline-offset:3px;}

/* 图片容器基础规则（页面阶段放置 <img> 即可） */
.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/10;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:
    radial-gradient(120% 90% at 78% 6%,rgba(214,168,75,.16),transparent 58%),
    linear-gradient(155deg,rgba(31,58,53,.92),rgba(11,13,12,.96));
  box-shadow:var(--shadow-soft);
}
.media > img,.media > svg{width:100%;height:100%;object-fit:cover;}
.media::after{
  content:"";
  position:absolute;
  inset:10px;
  border:1px solid rgba(214,168,75,.22);
  border-radius:calc(var(--radius-lg) - 10px);
  pointer-events:none;
}
.media--wide{aspect-ratio:21/9;}
.media--portrait{aspect-ratio:4/5;}
.media--square{aspect-ratio:1/1;}
.media__caption{
  margin-top:.7rem;
  font-size:.76rem;
  letter-spacing:.04em;
  color:var(--mist);
}

/* ---------- 9. Motion: reveal ---------- */
html.has-js [data-reveal]{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
html.has-js [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 10. Responsive ---------- */
@media (min-width:980px){
  body{padding-top:0;padding-left:var(--rail-w);}
}

@media (max-width:1200px){
  .footer-grid{grid-template-columns:1.2fr .85fr .85fr;}
}

@media (max-width:979px){
  .site-rail{
    inset:0 0 auto 0;
    width:100%;
    height:var(--bar-h);
    flex-direction:row;
    align-items:center;
    padding:0 var(--gutter);
    border-right:0;
    border-bottom:1px solid var(--line);
    background:linear-gradient(180deg,rgba(18,32,29,.98),rgba(11,13,12,.95));
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
  }
  .site-rail::before{display:none;}
  .rail-head{
    flex:1 1 auto;
    width:100%;
    padding:0;
    border:0;
    gap:.75rem;
  }
  .nav-toggle{display:inline-flex;}
  .rail-panel{
    position:fixed;
    top:0;left:0;
    z-index:90;
    width:min(86vw,336px);
    height:100vh;
    padding:calc(var(--bar-h) + 1.1rem) 1.15rem 1.6rem;
    border-right:1px solid var(--line-strong);
    background:linear-gradient(180deg,#12201D 0%,#0B0D0C 78%);
    box-shadow:26px 0 66px -20px rgba(0,0,0,.75);
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(-102%);
    transition:transform .34s var(--ease),visibility 0s linear .34s;
  }
  .site-rail[data-open="true"] .rail-panel{
    visibility:visible;
    transform:translateX(0);
    transition:transform .34s var(--ease),visibility 0s linear 0s;
  }
  .site-rail::after{
    content:"";
    position:fixed;
    inset:0;
    z-index:85;
    background:rgba(5,7,6,.66);
    opacity:0;
    pointer-events:none;
    transition:opacity .3s var(--ease);
  }
  .site-rail[data-open="true"]::after{opacity:1;pointer-events:auto;}
  .site-rail[data-open="true"] .nav-toggle__bars i:first-child{transform:translateY(2.75px) rotate(45deg);}
  .site-rail[data-open="true"] .nav-toggle__bars i:last-child{transform:translateY(-2.75px) rotate(-45deg);}

  .footer-top{grid-template-columns:minmax(0,1fr);align-items:start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-col--contact{grid-column:1 / -1;}
}

@media (max-width:760px){
  .grid--2,.grid--3,.grid--split,.grid--asym{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:1.6rem;}
  .footer-col--contact{grid-column:auto;}
  .footer-bottom{justify-content:flex-start;}
}

@media (max-width:560px){
  .brand__eyebrow{display:none;}
  .brand__mark{width:38px;height:38px;border-radius:12px;font-size:1.14rem;}
  .brand__name{font-size:.98rem;}
  .contact-item{grid-template-columns:minmax(0,1fr) auto;row-gap:.35rem;}
  .contact-item__label{grid-column:1 / -1;letter-spacing:.16em;}
  .page-head__lede{font-size:.96rem;}
}

/* ---------- 11. Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html.has-js [data-reveal]{opacity:1 !important;transform:none !important;}
  .rail-progress__bar{transition:none !important;}
}