/* =========================================================
   99真人会馆 · 共享样式 /assets/site.css
   门厅透明头 → 深红实色头；会馆后庭式页脚；米白展卷正文
   ========================================================= */

:root{
  --hall-red:#5A0F1A;
  --hall-black:#1B1110;
  --hall-gold:#C49A4A;
  --hall-gold-light:#E9D3A0;
  --hall-cream:#F7F1E6;
  --hall-cream-2:#FFFBF3;
  --hall-green:#244237;
  --hall-orange:#C96B32;
  --hall-grey:#5F5B55;
  --hall-clay:#8F4C3B;

  --hall-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --hall-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;

  --hall-radius-sm:10px;
  --hall-radius:20px;
  --hall-radius-lg:32px;
  --hall-pill:999px;

  --hall-wrap:1200px;
  --hall-gutter:clamp(1.15rem,4vw,3.5rem);
  --hall-header-h:76px;
  --hall-ease:cubic-bezier(.22,.61,.36,1);
  --hall-progress:0;
}

*,*::before,*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  background:var(--hall-cream);
}

body{
  margin:0;
  overflow-x:hidden;
  font-family:var(--hall-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--hall-black);
  background:var(--hall-cream);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--hall-serif);
  font-weight:700;
  line-height:1.25;
  letter-spacing:.01em;
  margin:0 0 .75em;
  text-wrap:balance;
}

p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}

a{color:var(--hall-clay);text-underline-offset:.22em;}
a:hover{color:var(--hall-red);}

img,svg,video{max-width:100%;}
img{height:auto;}

ul,ol{margin:0 0 1em;padding-inline-start:1.4em;}

button{font:inherit;color:inherit;}

::selection{background:var(--hall-gold);color:var(--hall-black);}

:focus-visible{
  outline:2px solid var(--hall-gold);
  outline-offset:3px;
  border-radius:4px;
  box-shadow:0 0 0 5px rgba(27,17,16,.28);
}

#main-content{scroll-margin-top:calc(var(--hall-header-h) + 1rem);}

/* ---------- 通用工具 ---------- */

.hall-wrap{
  width:min(var(--hall-wrap),100% - var(--hall-gutter) * 2);
  margin-inline:auto;
}

.hall-sr{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

.hall-skip{
  position:fixed;
  top:.6rem;left:.6rem;
  z-index:200;
  padding:.7rem 1.25rem;
  border-radius:var(--hall-pill);
  background:var(--hall-gold-light);
  color:var(--hall-black);
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.08em;
  text-decoration:none;
  box-shadow:0 14px 30px -16px rgba(27,17,16,.9);
  transform:translateY(-180%);
  transition:transform .25s var(--hall-ease);
}
.hall-skip:focus,
.hall-skip:focus-visible{transform:none;}

/* ---------- 头部 ---------- */

.hall-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  color:var(--hall-gold-light);
  background:linear-gradient(180deg,rgba(27,17,16,.72) 0%,rgba(27,17,16,.34) 58%,rgba(27,17,16,0) 100%);
  transition:background .4s var(--hall-ease),box-shadow .4s var(--hall-ease);
}

.hall-header[data-scrolled]{
  background:linear-gradient(180deg,var(--hall-red) 0%,#470A12 100%);
  box-shadow:0 1px 0 rgba(196,154,74,.55),0 22px 44px -26px rgba(27,17,16,.95);
}

.hall-header__inner{
  display:flex;
  align-items:center;
  gap:clamp(.85rem,2.2vw,2rem);
  width:min(var(--hall-wrap),100% - var(--hall-gutter) * 2);
  margin-inline:auto;
  min-height:var(--hall-header-h);
  padding-block:.5rem;
}

.hall-brand{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  color:inherit;
  text-decoration:none;
  flex-shrink:0;
}

.hall-brand__mark{
  display:grid;
  place-items:center;
  width:2.6rem;
  height:2.6rem;
  border-radius:var(--hall-pill) var(--hall-pill) 8px 8px;
  border:1px solid rgba(196,154,74,.85);
  background:radial-gradient(circle at 50% 26%,rgba(196,154,74,.4),rgba(90,15,26,.18) 72%);
  color:var(--hall-gold-light);
  font-family:var(--hall-serif);
  font-size:1.22rem;
  font-weight:700;
  line-height:1;
  letter-spacing:0;
}

.hall-brand__text{
  display:grid;
  gap:.1rem;
  line-height:1.25;
}

.hall-brand__name{
  font-family:var(--hall-serif);
  font-size:1.06rem;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--hall-gold-light);
}

.hall-brand__meta{
  font-size:.68rem;
  letter-spacing:.16em;
  color:rgba(233,211,160,.66);
}

.hall-nav{
  margin-inline-start:auto;
  display:flex;
  align-items:center;
  gap:1rem;
}

.hall-nav__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:clamp(.35rem,1.3vw,1.25rem);
  margin:0;
  padding:0;
  list-style:none;
}

.hall-nav__item{margin:0;padding:0;}

.hall-nav__index{display:none;}

.hall-nav__link{
  position:relative;
  display:inline-block;
  padding:.5rem .18rem;
  color:rgba(233,211,160,.88);
  font-size:.9rem;
  font-weight:500;
  letter-spacing:.06em;
  text-decoration:none;
  transition:color .3s var(--hall-ease);
}

.hall-nav__link::after{
  content:"";
  position:absolute;
  left:.18rem;right:.18rem;bottom:.16rem;
  height:1px;
  background:var(--hall-gold);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .38s var(--hall-ease),background .3s;
}

.hall-nav__link:hover,
.hall-nav__link:focus-visible{color:var(--hall-gold-light);}

.hall-nav__link:hover::after,
.hall-nav__link:focus-visible::after{transform:scaleX(1);}

.hall-nav__link[aria-current="page"]{
  color:var(--hall-gold-light);
  font-weight:600;
}

.hall-nav__link[aria-current="page"]::after{
  height:2px;
  background:var(--hall-orange);
  transform:scaleX(1);
}

.hall-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.45rem;
  flex-shrink:0;
  padding:.62rem 1.25rem;
  border-radius:var(--hall-pill);
  border:1px solid rgba(196,154,74,.7);
  background:linear-gradient(120deg,rgba(196,154,74,.22),rgba(201,107,50,.24));
  color:var(--hall-gold-light);
  font-size:.85rem;
  font-weight:600;
  letter-spacing:.09em;
  text-decoration:none;
  white-space:nowrap;
  transition:background .3s var(--hall-ease),color .3s,border-color .3s,transform .3s var(--hall-ease);
}

.hall-cta:hover,
.hall-cta:focus-visible{
  background:linear-gradient(120deg,var(--hall-gold),var(--hall-gold-light));
  border-color:var(--hall-gold-light);
  color:var(--hall-black);
  transform:translateY(-1px);
}

.hall-nav__cta{display:none;}

.hall-nav__meta{
  display:none;
  margin:.9rem 0 0;
  font-size:.74rem;
  letter-spacing:.16em;
  color:rgba(233,211,160,.62);
}

.hall-header__action{margin-inline-start:.15rem;}

.hall-nav-toggle{
  display:none;
  align-items:center;
  gap:.55rem;
  margin-inline-start:auto;
  padding:.5rem .95rem;
  border-radius:var(--hall-pill);
  border:1px solid rgba(196,154,74,.6);
  background:rgba(27,17,16,.4);
  color:var(--hall-gold-light);
  cursor:pointer;
  transition:background .3s var(--hall-ease),border-color .3s;
}

.hall-nav-toggle:hover{background:rgba(90,15,26,.6);}

.hall-nav-toggle__bars{
  position:relative;
  display:block;
  width:1.15rem;
  height:2px;
  background:currentColor;
  transition:background .25s var(--hall-ease);
}

.hall-nav-toggle__bars::before,
.hall-nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:100%;
  height:2px;
  background:currentColor;
  transition:transform .3s var(--hall-ease),top .3s var(--hall-ease);
}

.hall-nav-toggle__bars::before{top:-5px;}
.hall-nav-toggle__bars::after{top:5px;}

.hall-nav-toggle__label{
  font-size:.76rem;
  letter-spacing:.2em;
}

.hall-header[data-open] .hall-nav-toggle__bars{background:transparent;}
.hall-header[data-open] .hall-nav-toggle__bars::before{top:0;transform:rotate(45deg);}
.hall-header[data-open] .hall-nav-toggle__bars::after{top:0;transform:rotate(-45deg);}

.hall-progress{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--hall-orange),var(--hall-gold) 55%,var(--hall-gold-light));
  transform:scaleX(var(--hall-progress));
  transform-origin:left center;
  opacity:0;
  pointer-events:none;
  transition:opacity .35s var(--hall-ease);
}

.hall-header[data-scrolled] .hall-progress{opacity:1;}

/* ---------- 返回顶部 ---------- */

.hall-top{
  position:fixed;
  right:clamp(1rem,3vw,2rem);
  bottom:clamp(1rem,3vw,2rem);
  z-index:70;
  display:grid;
  place-items:center;
  width:3rem;
  height:3rem;
  padding:0;
  border-radius:50%;
  border:1px solid rgba(196,154,74,.75);
  background:rgba(27,17,16,.86);
  color:var(--hall-gold-light);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .3s var(--hall-ease),transform .3s var(--hall-ease),visibility .3s,background .3s;
}

.hall-top[data-visible]{
  opacity:1;
  visibility:visible;
  transform:none;
}

.hall-top:hover{background:var(--hall-red);}

.hall-top__arrow{
  font-family:var(--hall-serif);
  font-size:1.15rem;
  line-height:1;
}

/* ---------- 页脚：会馆后庭 ---------- */

.hall-footer{
  position:relative;
  overflow:hidden;
  margin-top:clamp(3rem,8vw,7rem);
  background:linear-gradient(158deg,var(--hall-black) 0%,#2A1A14 46%,var(--hall-red) 100%);
  color:var(--hall-cream);
  isolation:isolate;
}

.hall-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(196,154,74,.75),transparent);
}

.hall-footer::after{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:min(620px,78%);
  height:150px;
  transform:translateX(-50%);
  border-radius:0 0 50% 50% / 0 0 100% 100%;
  background:radial-gradient(ellipse at 50% 0%,rgba(196,154,74,.26),rgba(196,154,74,0) 70%);
  pointer-events:none;
}

.hall-footer__pattern{
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:repeating-linear-gradient(115deg,rgba(196,154,74,.1) 0 1px,rgba(196,154,74,0) 1px 26px);
  opacity:.55;
  pointer-events:none;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.25) 62%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.25) 62%,transparent 100%);
}

.hall-footer__inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.3fr);
  gap:clamp(1.6rem,3.5vw,3.25rem);
  width:min(var(--hall-wrap),100% - var(--hall-gutter) * 2);
  margin-inline:auto;
  padding-block:clamp(2.75rem,6vw,5rem) clamp(2rem,4vw,3rem);
}

.hall-footer__brand{
  display:grid;
  align-content:start;
  gap:1rem;
}

.hall-footer__logo{
  display:inline-block;
  align-self:start;
  padding-bottom:.6rem;
  border-bottom:1px solid rgba(196,154,74,.45);
  color:var(--hall-gold-light);
  font-family:var(--hall-serif);
  font-size:clamp(1.45rem,2.6vw,2rem);
  font-weight:700;
  letter-spacing:.08em;
  line-height:1.2;
  text-decoration:none;
  transition:color .3s var(--hall-ease),border-color .3s;
}

.hall-footer__logo:hover{
  color:#fff;
  border-color:var(--hall-orange);
}

.hall-footer__summary{
  margin:0;
  max-width:34ch;
  font-size:.9rem;
  line-height:1.95;
  color:rgba(247,241,230,.74);
}

.hall-footer__note{
  margin:0;
  font-size:.72rem;
  letter-spacing:.16em;
  color:rgba(196,154,74,.85);
}

.hall-footer__col{
  display:grid;
  align-content:start;
  gap:.85rem;
  min-width:0;
}

.hall-footer__title{
  margin:0;
  padding-top:.75rem;
  border-top:1px solid rgba(196,154,74,.38);
  font-family:var(--hall-sans);
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.26em;
  color:var(--hall-gold);
}

.hall-footer__list{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:.15rem;
}

.hall-footer__list a{
  display:inline-block;
  padding:.28rem 0;
  color:rgba(247,241,230,.78);
  font-size:.92rem;
  text-decoration:none;
  transition:color .25s var(--hall-ease),transform .25s var(--hall-ease);
}

.hall-footer__list a:hover,
.hall-footer__list a:focus-visible{
  color:var(--hall-gold-light);
  transform:translateX(3px);
}

.hall-footer__contact{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:.7rem;
}

.hall-footer__contact li{
  display:grid;
  gap:.1rem;
  min-width:0;
}

.hall-footer__label{
  font-size:.68rem;
  letter-spacing:.22em;
  color:var(--hall-gold);
}

.hall-footer__value{
  font-size:.9rem;
  line-height:1.7;
  color:rgba(247,241,230,.86);
  overflow-wrap:anywhere;
}

.hall-footer__base{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:.4rem 1.5rem;
  width:min(var(--hall-wrap),100% - var(--hall-gutter) * 2);
  margin-inline:auto;
  padding-block:1.15rem 2rem;
  border-top:1px solid rgba(196,154,74,.26);
}

.hall-footer__legal{
  margin:0;
  font-size:.76rem;
  letter-spacing:.12em;
  color:rgba(247,241,230,.58);
}

/* ---------- 章节与排版组件 ---------- */

.hall-section{
  padding-block:clamp(3.25rem,8vw,6.5rem);
}

.hall-section--dark{
  background:linear-gradient(160deg,var(--hall-red) 0%,#3C0911 100%);
  color:var(--hall-cream);
}

.hall-section--dark .hall-lead{color:rgba(247,241,230,.78);}
.hall-section--dark .hall-title{color:var(--hall-gold-light);}

.hall-section--green{
  background:var(--hall-green);
  color:var(--hall-cream);
}

.hall-section--green .hall-lead{color:rgba(247,241,230,.8);}
.hall-section--green .hall-title{color:var(--hall-gold-light);}

.hall-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  margin:0 0 1rem;
  font-size:.76rem;
  font-weight:600;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--hall-clay);
}

.hall-eyebrow::before{
  content:"";
  width:2.2rem;
  height:1px;
  background:currentColor;
}

.hall-eyebrow--light{color:var(--hall-gold);}

.hall-display{
  margin:0;
  font-family:var(--hall-serif);
  font-weight:700;
  font-size:clamp(3.2rem,9vw,8rem);
  line-height:.98;
  letter-spacing:.01em;
  text-wrap:balance;
}

.hall-title{
  margin:0 0 1rem;
  font-family:var(--hall-serif);
  font-weight:700;
  font-size:clamp(2rem,4vw,3.6rem);
  line-height:1.16;
  letter-spacing:.01em;
}

.hall-lead{
  max-width:62ch;
  margin:0 0 1.5rem;
  font-size:clamp(1.02rem,1.5vw,1.18rem);
  line-height:1.9;
  color:var(--hall-grey);
}

.hall-note{
  margin:0;
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:.72rem;
  letter-spacing:.34em;
  color:var(--hall-gold);
}

.hall-divider{
  height:1px;
  margin:clamp(2rem,5vw,3.5rem) 0;
  border:0;
  background:linear-gradient(90deg,rgba(196,154,74,.7),rgba(196,154,74,0));
}

/* ---------- 按钮与标签 ---------- */

.hall-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55rem;
  padding:.8rem 1.65rem;
  border:1px solid transparent;
  border-radius:var(--hall-pill);
  background:var(--hall-red);
  color:var(--hall-gold-light);
  font-family:var(--hall-sans);
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.07em;
  text-decoration:none;
  cursor:pointer;
  transition:background .3s var(--hall-ease),color .3s,transform .3s var(--hall-ease),box-shadow .3s;
}

.hall-btn:hover,
.hall-btn:focus-visible{
  background:var(--hall-clay);
  color:#FFF8EC;
  transform:translateY(-2px);
  box-shadow:0 18px 32px -22px rgba(27,17,16,.9);
}

.hall-btn--gold{
  background:linear-gradient(120deg,var(--hall-gold),var(--hall-orange));
  color:var(--hall-black);
}

.hall-btn--gold:hover,
.hall-btn--gold:focus-visible{
  background:linear-gradient(120deg,var(--hall-gold-light),var(--hall-gold));
  color:var(--hall-black);
}

.hall-btn--ghost{
  background:transparent;
  border-color:var(--hall-gold);
  color:var(--hall-red);
}

.hall-btn--ghost:hover,
.hall-btn--ghost:focus-visible{
  background:var(--hall-red);
  border-color:var(--hall-red);
  color:var(--hall-gold-light);
}

.hall-pill{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.34rem .95rem;
  border:1px solid rgba(196,154,74,.6);
  border-radius:var(--hall-pill);
  background:rgba(196,154,74,.12);
  color:var(--hall-clay);
  font-size:.78rem;
  letter-spacing:.14em;
  text-decoration:none;
}

/* ---------- 面包屑 ---------- */

.hall-breadcrumb{
  margin:0 0 clamp(1.25rem,3vw,2rem);
  font-size:.8rem;
  letter-spacing:.1em;
  color:var(--hall-grey);
}

.hall-breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  margin:0;
  padding:0;
  list-style:none;
}

.hall-breadcrumb__list li+li::before{
  content:"／";
  margin-right:.5rem;
  color:var(--hall-gold);
}

.hall-breadcrumb a{
  color:var(--hall-clay);
  text-decoration:none;
}

.hall-breadcrumb a:hover{text-decoration:underline;}

/* ---------- 卡片与网格 ---------- */

.hall-card{
  position:relative;
  padding:clamp(1.25rem,2.6vw,2rem);
  border:1px solid rgba(196,154,74,.35);
  border-radius:var(--hall-radius-lg);
  background:var(--hall-cream-2);
  box-shadow:0 26px 54px -42px rgba(27,17,16,.75);
}

.hall-card h3{
  margin:0 0 .5rem;
  font-size:clamp(1.15rem,2vw,1.45rem);
}

.hall-grid{
  display:grid;
  gap:clamp(1rem,2.4vw,1.75rem);
}

.hall-grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,18rem),1fr));}
.hall-grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));}

/* ---------- 图片容器（页面阶段放图） ---------- */

.hall-media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:4 / 3;
  overflow:hidden;
  isolation:isolate;
  border-radius:var(--hall-radius-lg);
  background:
    radial-gradient(120% 90% at 20% 8%,rgba(233,211,160,.3),rgba(233,211,160,0) 62%),
    linear-gradient(152deg,var(--hall-clay),var(--hall-red) 48%,var(--hall-green));
  box-shadow:0 36px 72px -48px rgba(27,17,16,.85);
}

.hall-media img,
.hall-media video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.hall-media::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:1;
  border:1px solid rgba(196,154,74,.42);
  border-radius:inherit;
  pointer-events:none;
}

.hall-media--wide{aspect-ratio:16 / 9;}
.hall-media--tall{aspect-ratio:3 / 4;}

.hall-media--arch{
  border-radius:50% 50% var(--hall-radius) var(--hall-radius) / 24% 24% var(--hall-radius) var(--hall-radius);
}

.hall-media__caption{
  position:absolute;
  left:1rem;right:1rem;bottom:1rem;
  z-index:2;
  margin:0;
  padding:.5rem .9rem;
  border-radius:var(--hall-pill);
  background:rgba(27,17,16,.64);
  color:var(--hall-gold-light);
  font-size:.75rem;
  letter-spacing:.1em;
}

/* ---------- 表格 ---------- */

.hall-table{
  width:100%;
  border-collapse:collapse;
  font-size:.92rem;
  background:var(--hall-cream-2);
  border-radius:var(--hall-radius);
  overflow:hidden;
}

.hall-table th{
  padding:.85rem 1rem;
  background:var(--hall-green);
  color:var(--hall-cream);
  font-weight:600;
  letter-spacing:.08em;
  text-align:left;
}

.hall-table td{
  padding:.85rem 1rem;
  border-bottom:1px solid rgba(143,76,59,.22);
  vertical-align:top;
}

.hall-table tbody tr:last-child td{border-bottom:0;}
.hall-table tbody tr:hover{background:rgba(196,154,74,.12);}

/* ---------- 折叠面板 ---------- */

.hall-details{
  padding:.2rem 1.2rem;
  border:1px solid rgba(196,154,74,.42);
  border-radius:var(--hall-radius);
  background:var(--hall-cream-2);
}

.hall-details+.hall-details{margin-top:.75rem;}

.hall-details summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1rem 0;
  cursor:pointer;
  list-style:none;
  font-family:var(--hall-serif);
  font-size:1.02rem;
  font-weight:600;
  color:var(--hall-black);
}

.hall-details summary::-webkit-details-marker{display:none;}

.hall-details summary::after{
  content:"＋";
  color:var(--hall-gold);
  font-family:var(--hall-sans);
  font-weight:400;
}

.hall-details[open] summary::after{content:"－";}

.hall-details__body{
  padding:0 0 1.15rem;
  color:var(--hall-grey);
  font-size:.94rem;
}

/* ---------- 显现 ---------- */

.hall-js [data-reveal]{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .72s var(--hall-ease),transform .72s var(--hall-ease);
}

.hall-js [data-reveal][data-revealed]{
  opacity:1;
  transform:none;
}

/* ---------- 响应式 ---------- */

@media (max-width:1080px){
  .hall-footer__inner{
    grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);
  }
  .hall-footer__col:last-child{
    grid-column:1 / -1;
  }
  .hall-footer__contact{
    grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));
    gap:.85rem 1.6rem;
  }
}

@media (max-width:960px){
  :root{--hall-header-h:64px;}

  .hall-brand__meta{display:none;}

  .hall-header__action{display:none;}

  .hall-nav-toggle{display:inline-flex;}

  .hall-nav{
    position:fixed;
    top:var(--hall-header-h);
    left:0;
    right:0;
    display:block;
    margin:0;
    padding:clamp(1.15rem,4vw,2rem) var(--hall-gutter) 2.25rem;
    max-height:calc(100vh - var(--hall-header-h));
    overflow-y:auto;
    background:linear-gradient(180deg,var(--hall-red) 0%,var(--hall-black) 100%);
    border-bottom:1px solid rgba(196,154,74,.42);
    box-shadow:0 34px 64px -24px rgba(0,0,0,.7);
    opacity:0;
    visibility:hidden;
    transform:translateY(-.7rem);
    transition:opacity .3s var(--hall-ease),transform .3s var(--hall-ease),visibility .3s;
  }

  .hall-header[data-open] .hall-nav{
    opacity:1;
    visibility:visible;
    transform:none;
  }

  .hall-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }

  .hall-nav__item{
    border-bottom:1px solid rgba(196,154,74,.18);
  }

  .hall-nav__link{
    display:flex;
    align-items:baseline;
    gap:.75rem;
    padding:.95rem 0;
    font-size:1.04rem;
  }

  .hall-nav__link::after{display:none;}

  .hall-nav__link[aria-current="page"]{
    color:var(--hall-gold-light);
    box-shadow:inset 3px 0 0 var(--hall-orange);
    padding-inline-start:.75rem;
  }

  .hall-nav__index{
    display:inline-block;
    font-size:.72rem;
    letter-spacing:.16em;
    color:var(--hall-gold);
  }

  .hall-nav__cta{
    display:inline-flex;
    margin-top:1.4rem;
  }

  .hall-nav__meta{display:block;}

  .hall-header[data-scrolled] .hall-nav{
    background:linear-gradient(180deg,var(--hall-red) 0%,var(--hall-black) 100%);
  }
}

@media (max-width:760px){
  .hall-footer__inner{
    grid-template-columns:minmax(0,1fr);
  }
  .hall-footer__summary{max-width:none;}
  .hall-footer__base{justify-content:flex-start;}
  .hall-footer::after{height:110px;}
}

@media (max-width:480px){
  .hall-brand__name{font-size:.98rem;letter-spacing:.06em;}
  .hall-brand__mark{width:2.3rem;height:2.3rem;font-size:1.05rem;}
  .hall-nav-toggle{padding:.45rem .8rem;}
  .hall-top{width:2.7rem;height:2.7rem;}
}

/* ---------- 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;
    scroll-behavior:auto !important;
  }

  .hall-js [data-reveal]{
    opacity:1;
    transform:none;
  }

  .hall-progress{
    transition:none;
  }
}