/* 万能真人会馆 · 共享基础样式 /assets/site.css */

:root{
  --ink-950:#0A0A0D;
  --ink-900:#121218;
  --ink-800:#1B1B24;
  --paper-100:#F4E9D8;
  --paper-200:#E4D3B4;
  --gold-500:#C8A24A;
  --gold-300:#E8CF8A;
  --cyan-400:#35E0D6;
  --magenta-500:#E54B9B;
  --gray-400:#8C8C9A;
  --line-600:#2A2A36;

  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --shell-w:1280px;
  --gutter:clamp(16px,4vw,48px);
  --gap:clamp(18px,2.6vw,32px);
  --head-h:66px;
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--ink-950);}
body{
  margin:0;
  background-color:var(--ink-950);
  background-image:
    linear-gradient(to right,rgba(200,162,74,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(200,162,74,.055) 1px,transparent 1px);
  background-size:88px 88px;
  color:var(--paper-200);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  letter-spacing:.01em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  top:-24vh;right:-14vw;
  width:70vw;height:62vh;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(229,75,155,.11),transparent 66%);
}
body::after{
  content:"";
  position:fixed;
  left:-18vw;bottom:-26vh;
  width:64vw;height:58vh;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(53,224,214,.08),transparent 68%);
}
img,svg,video{display:block;max-width:100%;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
a{color:wait;}
a{color:var(--paper-200);}
ul,ol{padding-left:1.15em;}
::selection{background:var(--cyan-400);color:var(--ink-950);}
:focus-visible{outline:2px solid var(--cyan-400);outline-offset:3px;}
#main-content{position:relative;z-index:1;scroll-margin-top:calc(var(--head-h) + 24px);}

/* ---------- 中文排版基线 ---------- */
h1,h2,h3,h4{margin:0;font-weight:900;line-height:1.22;letter-spacing:.02em;color:var(--paper-100);}
h1{font-size:clamp(34px,5.6vw,72px);}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;}
h3{font-size:clamp(19px,1.6vw,24px);font-weight:700;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
strong{font-weight:700;color:var(--paper-100);}
code,kbd,samp{font-family:var(--font-mono);font-size:.92em;color:var(--gold-300);}

.prose{max-width:70ch;}
.prose p{font-size:clamp(16px,1.05vw + 12px,18px);line-height:1.78;margin:0 0 1.15em;}
.prose h2{margin:1.8em 0 .7em;}
.prose h3{margin:1.5em 0 .55em;}
.prose ul,.prose ol{margin:0 0 1.15em;padding-left:1.3em;}
.prose li{margin:.35em 0;}
.prose blockquote{margin:1.4em 0;padding:.6em 0 .6em 1.1em;border-left:2px solid var(--gold-500);color:var(--paper-100);}

/* ---------- 容器与网格 ---------- */
.container{
  position:relative;
  width:100%;
  max-width:var(--shell-w);
  margin:0 auto;
  padding:clamp(28px,5vw,72px) var(--gutter);
}
.container--narrow{max-width:880px;}
.stack{display:grid;gap:clamp(22px,3.4vw,48px);}
.grid{display:grid;gap:var(--gap);}
.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:minmax(0,.78fr) minmax(0,1.62fr);}
.rule{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--gold-500),rgba(200,162,74,.08));}

/* ---------- 标签与注释 ---------- */
.eyebrow{
  display:flex;align-items:center;gap:10px;margin:0 0 14px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.26em;text-transform:uppercase;color:var(--gray-400);
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold-500);flex:0 0 auto;}
.rot-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--cyan-400);
  writing-mode:vertical-rl;
}

/* ---------- 画板面板 ---------- */
.panel{
  position:relative;
  background:var(--ink-900);
  border:1px solid var(--line-600);
  padding:clamp(20px,3vw,38px);
}
.panel--paper{background:var(--paper-100);border-color:var(--paper-200);color:#22222A;}
.panel--paper h1,.panel--paper h2,.panel--paper h3,.panel--paper strong{color:var(--ink-950);}
.panel--paper .prose p,.panel--paper p{color:#31313C;}
.panel--paper .panel__label{color:#8A7A55;}
.panel--gold{border-color:var(--gold-500);}
.panel--accent::before{
  content:"";position:absolute;top:-1px;left:-1px;
  width:56px;height:56px;pointer-events:none;
  border-top:2px solid var(--cyan-400);
  border-left:2px solid var(--cyan-400);
}
.panel--accent::after{
  content:"";position:absolute;right:-1px;bottom:-1px;
  width:56px;height:56px;pointer-events:none;
  border-bottom:2px solid var(--magenta-500);
  border-right:2px solid var(--magenta-500);
}
.panel__label{
  display:block;margin:0 0 14px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.26em;
  text-transform:uppercase;color:var(--gray-400);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 22px;border:1px solid var(--gold-500);
  background:transparent;color:var(--gold-300);
  font-size:14px;font-weight:700;letter-spacing:.08em;
  text-decoration:none;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{background:var(--gold-500);color:var(--ink-950);transform:translateY(-1px);}
.btn--gold{background:var(--gold-500);color:var(--ink-950);}
.btn--gold:hover{background:var(--gold-300);border-color:var(--gold-300);}
.btn--line{border-color:var(--line-600);color:var(--paper-100);}
.btn--line:hover{border-color:var(--gold-300);background:rgba(200,162,74,.12);color:var(--gold-300);}
.btn--cyan{border-color:var(--cyan-400);color:var(--cyan-400);}
.btn--cyan:hover{background:var(--cyan-400);color:var(--ink-950);}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0 0 26px;padding:0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--gray-400);
}
.crumbs__item{display:inline-flex;align-items:center;gap:8px;}
.crumbs__item a{color:var(--paper-200);text-decoration:none;border-bottom:1px solid transparent;}
.crumbs__item a:hover{color:var(--gold-300);border-bottom-color:var(--gold-500);}
.crumbs__sep{color:var(--line-600);}
.crumbs__current{color:var(--gold-500);}

/* ---------- 横向滑动标签 ---------- */
.tag-strip{
  display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;
  scrollbar-width:thin;scroll-snap-type:x proximity;
}
.tag-strip__link{
  flex:0 0 auto;scroll-snap-align:start;
  padding:9px 15px;border:1px solid var(--line-600);
  color:var(--paper-200);text-decoration:none;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background-color .2s ease;
}
.tag-strip__link:hover{border-color:var(--gold-300);color:var(--gold-300);}
.tag-strip__link[aria-current="page"]{border-color:var(--cyan-400);color:var(--cyan-400);background:rgba(53,224,214,.07);}

/* ---------- 折叠面板 ---------- */
.fold{border:1px solid var(--line-600);background:var(--ink-900);}
.fold + .fold{margin-top:-1px;}
.fold[data-open="true"]{border-color:var(--gold-500);}
.fold__head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;padding:17px 20px;border:0;background:transparent;
  color:var(--paper-100);font-size:clamp(15px,1.2vw,17px);font-weight:700;
  text-align:left;cursor:pointer;
}
.fold__head:hover{color:var(--gold-300);}
.fold__sign{
  flex:0 0 auto;position:relative;width:14px;height:14px;
  border:1px solid var(--gold-500);
}
.fold__sign::before,.fold__sign::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--gold-500);transform:translate(-50%,-50%);
}
.fold__sign::before{width:8px;height:1px;}
.fold__sign::after{width:1px;height:8px;transition:opacity .2s ease;}
.fold[data-open="true"] .fold__sign::after{opacity:0;}
.fold__body{display:none;padding:0 20px 20px;color:var(--paper-200);font-size:15.5px;line-height:1.78;}
.fold[data-open="true"] .fold__body{display:block;animation:foldIn .26s ease both;}
@keyframes foldIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:none;}}

/* ---------- 步骤条（技能树式路径） ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;}
.steps__item{
  position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);
  gap:16px;padding:0 0 26px;
}
.steps__item::before{
  content:"";position:absolute;left:15px;top:32px;bottom:0;width:1px;
  background:linear-gradient(180deg,var(--gold-500),rgba(200,162,74,.15));
}
.steps__item:last-child{padding-bottom:0;}
.steps__item:last-child::before{display:none;}
.steps__index{
  width:31px;height:31px;flex:0 0 auto;display:grid;place-items:center;
  border:1px solid var(--gold-500);background:var(--ink-950);
  font-family:var(--font-mono);font-size:12px;color:var(--gold-300);
}
.steps__body h3{margin-bottom:6px;}
.steps__body p{color:var(--gray-400);font-size:15px;margin:0;}

/* ---------- 新旧对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line-600);border:1px solid var(--line-600);}
.compare__cell{padding:18px 20px;background:var(--ink-900);}
.compare__cell h3{font-size:16px;margin-bottom:8px;}
.compare__cell--old{border-top:2px solid var(--gray-400);}
.compare__cell--old h3{color:var(--gray-400);}
.compare__cell--new{border-top:2px solid var(--cyan-400);background:var(--ink-800);}
.compare__cell--new h3{color:var(--cyan-400);}
.compare__cell ul{margin:0;padding-left:1.15em;font-size:15px;line-height:1.7;}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background:var(--ink-800);border:1px solid var(--line-600);
  aspect-ratio:16/10;
}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06);}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,10,13,.42) 0%,rgba(10,10,13,0) 42%,rgba(10,10,13,.66) 100%);
}
.media-frame--wide{aspect-ratio:21/9;}
.media-frame--portrait{aspect-ratio:3/4;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame__caption{
  position:absolute;left:0;bottom:0;z-index:1;
  padding:8px 13px;border-top:1px solid var(--line-600);
  background:rgba(10,10,13,.86);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;
  color:var(--gold-300);
}

/* ---------- 滚动显现 ---------- */
.reveal{opacity:0;transform:translateY(20px);}
.reveal.is-in{opacity:1;transform:none;animation:revealIn .66s cubic-bezier(.2,.72,.24,1) both;}
@keyframes revealIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:none;}}
.reveal[data-delay="1"]{animation-delay:.08s;}
.reveal[data-delay="2"]{animation-delay:.16s;}
.reveal[data-delay="3"]{animation-delay:.24s;}
.reveal[data-delay="4"]{animation-delay:.32s;}
.reveal[data-delay="5"]{animation-delay:.40s;}
.reveal[data-delay="6"]{animation-delay:.48s;}

/* ---------- 头部 ---------- */
.hall-skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  padding:12px 18px;background:var(--gold-500);color:var(--ink-950);
  font-weight:700;text-decoration:none;
}
.hall-skip:focus{left:12px;top:12px;}
.hall-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,10,13,.95);
  border-bottom:1px solid var(--line-600);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.hall-header__bar{
  max-width:var(--shell-w);margin:0 auto;
  padding:12px var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  min-height:var(--head-h);
}
.hall-brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--paper-100);}
.hall-brand__mark{
  flex:0 0 auto;width:42px;height:42px;display:grid;place-items:center;
  border:1px solid var(--gold-500);color:var(--gold-300);
  font-size:20px;font-weight:900;letter-spacing:.04em;
  box-shadow:inset 0 0 0 3px rgba(200,162,74,.09);
}
.hall-brand__text{display:flex;flex-direction:column;gap:3px;line-height:1.15;}
.hall-brand__name{font-size:17px;font-weight:900;letter-spacing:.09em;color:var(--paper-100);}
.hall-brand__tag{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.2em;color:var(--gray-400);text-transform:uppercase;}
.hall-nav{display:flex;align-items:center;gap:18px;}
.hall-nav__list{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0;}
.hall-nav__item{display:block;}
.hall-nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:6px;
  padding:10px 12px;color:var(--paper-200);text-decoration:none;
  font-size:14.5px;font-weight:500;letter-spacing:.04em;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.hall-nav__link:hover{color:var(--gold-300);border-bottom-color:var(--gold-500);}
.hall-nav__index{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--gray-400);}
.hall-nav__link[aria-current="page"]{color:var(--gold-300);border-bottom-color:var(--cyan-400);}
.hall-nav__link[aria-current="page"] .hall-nav__index{color:var(--cyan-400);}
.hall-nav__cta{
  flex:0 0 auto;padding:10px 18px;border:1px solid var(--gold-500);
  color:var(--gold-300);text-decoration:none;
  font-size:13.5px;font-weight:700;letter-spacing:.1em;
  transition:background-color .2s ease,color .2s ease;
}
.hall-nav__cta:hover{background:var(--gold-500);color:var(--ink-950);}
.hall-nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:10px 13px;background:transparent;
  border:1px solid var(--line-600);color:var(--paper-100);
  font-size:12.5px;letter-spacing:.16em;cursor:pointer;
}
.hall-nav-toggle:hover{border-color:var(--gold-500);color:var(--gold-300);}
.hall-nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px;}
.hall-nav-toggle__bars i{display:block;height:1px;background:var(--gold-500);transition:transform .22s ease,opacity .22s ease;}
.hall-nav-toggle[aria-expanded="true"] .hall-nav-toggle__bars i:nth-child(1){transform:translateY(4px) rotate(45deg);}
.hall-nav-toggle[aria-expanded="true"] .hall-nav-toggle__bars i:nth-child(2){opacity:0;}
.hall-nav-toggle[aria-expanded="true"] .hall-nav-toggle__bars i:nth-child(3){transform:translateY(-4px) rotate(-45deg);}
.hall-progress{height:2px;background:rgba(200,162,74,.14);overflow:hidden;}
.hall-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--gold-500),var(--cyan-400) 62%,var(--magenta-500));
}

/* ---------- 页脚 ---------- */
.hall-footer{
  position:relative;z-index:2;
  margin-top:clamp(40px,7vw,96px);
  background:var(--ink-900);
  border-top:1px solid var(--gold-500);
}
.hall-footer__inner{
  max-width:var(--shell-w);margin:0 auto;
  padding:clamp(34px,5vw,68px) var(--gutter) 26px;
}
.hall-footer__mast{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;
  gap:12px 32px;padding-bottom:26px;border-bottom:1px solid var(--line-600);
}
.hall-footer__brand{
  margin:0;font-size:clamp(28px,5vw,48px);font-weight:900;
  letter-spacing:.08em;color:var(--paper-100);line-height:1.1;
}
.hall-footer__slogan{
  margin:0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.18em;
  color:var(--gray-400);
}
.hall-footer__grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(24px,3vw,44px);padding:32px 0;border-bottom:1px solid var(--line-600);
}
.hall-footer__title{
  margin:0 0 16px;font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.26em;text-transform:uppercase;color:var(--gold-500);
}
.hall-footer__list{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.hall-footer__link{
  display:inline-block;color:var(--paper-200);text-decoration:none;
  font-size:15px;padding-bottom:2px;border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.hall-footer__link:hover{color:var(--gold-300);border-bottom-color:var(--gold-500);}
.hall-footer__meta{font-family:var(--font-mono);font-size:12.5px;line-height:1.8;color:var(--gray-400);}
.hall-footer__value{color:var(--paper-100);word-break:break-all;}
.hall-footer__base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 26px;padding-top:22px;
}
.hall-footer__legal{margin:0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--gray-400);}
.hall-footer__legal-nav{display:flex;flex-wrap:wrap;gap:8px 18px;}
.hall-footer__legal-nav .hall-footer__link{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;color:var(--gray-400);}
.hall-footer__legal-nav .hall-footer__link:hover{color:var(--cyan-400);border-bottom-color:var(--cyan-400);}
.hall-footer__note{margin:0;font-family:var(--font-mono);font-size:11.5px;color:var(--gray-400);}

/* ---------- 返回顶部 ---------- */
.hall-to-top{
  position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:70;
  width:46px;height:46px;display:grid;place-items:center;
  background:var(--ink-900);border:1px solid var(--gold-500);color:var(--gold-300);
  font-family:var(--font-mono);font-size:16px;line-height:1;cursor:pointer;
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease,background-color .2s ease,color .2s ease;
}
.hall-to-top[data-visible="true"]{opacity:1;visibility:visible;}
.hall-to-top:hover{background:var(--gold-500);color:var(--ink-950);}

/* ---------- 响应式 ---------- */
@media (max-width:980px){
  .grid--split{grid-template-columns:minmax(0,1fr);}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .hall-nav-toggle{display:inline-flex;}
  .hall-nav{
    display:none;
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px var(--gutter) 22px;
    background:var(--ink-900);
    border-bottom:1px solid var(--gold-500);
    max-height:calc(100vh - var(--head-h));
    overflow-y:auto;
  }
  .hall-nav[data-open="true"]{display:flex;animation:navDrop .24s ease both;}
  @keyframes navDrop{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:none;}}
  .hall-nav__list{flex-direction:column;align-items:stretch;width:100%;gap:0;}
  .hall-nav__item{border-bottom:1px solid var(--line-600);}
  .hall-nav__link{display:flex;width:100%;padding:15px 4px;font-size:16px;border-bottom:0;}
  .hall-nav__link[aria-current="page"]{color:var(--gold-300);}
  .hall-nav__index{min-width:22px;}
  .hall-nav__cta{margin-top:18px;justify-content:center;display:flex;padding:14px 18px;font-size:14px;}
}
@media (max-width:760px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr);}
  .compare{grid-template-columns:minmax(0,1fr);}
  .hall-footer__grid{grid-template-columns:minmax(0,1fr);}
  .hall-footer__base{flex-direction:column;align-items:flex-start;}
  .panel{padding:20px 18px;}
}

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