/* ==========================================================================
   红黑娱乐会馆 — 共享样式表 /assets/site.css
   午夜影院 × 戏院海报：墨黑画布、幕布正红、岩灰细线、米白文字
   ========================================================================== */

:root{
  --ink:#0A0A0C;
  --charcoal:#14141A;
  --curtain:#C8102E;
  --ember:#E03A2F;
  --clay:#B2593B;
  --stone:#4B4B52;
  --moss:#5C6B4F;
  --bone:#F5F0E6;
  --silver:#A7A7AD;
  --sand:#E9DFCE;

  --line:rgba(167,167,173,.26);
  --line-strong:rgba(167,167,173,.46);
  --veil:rgba(20,20,26,.78);

  --font-display:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --font-mono:ui-monospace,"SFMono-Regular",Consolas,"Courier New",monospace;

  --wrap:1200px;
  --gutter:clamp(20px,5vw,56px);
  --pill:999px;
  --header-space:clamp(78px,10vw,106px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  font-size:17px;
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:var(--header-space);
}
html[data-pref-font="large"]{font-size:19px}
html,body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%;display:block}
button{font:inherit}
table{border-collapse:collapse}

/* ---------- 中文排版基底 ---------- */
body{
  background:var(--ink);
  color:var(--bone);
  font-family:var(--font-body);
  font-size:1rem;
  line-height:1.75;
  padding-top:var(--header-space);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.1;letter-spacing:-.02em}
p{text-wrap:pretty}
a{color:inherit}
::selection{background:var(--curtain);color:var(--bone)}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:2px}
.rh-skip{
  position:fixed;top:0;left:50%;z-index:400;
  transform:translate(-50%,-140%);
  background:var(--curtain);color:var(--bone);
  padding:12px 22px;border-radius:0 0 12px 12px;
  font-size:.84rem;letter-spacing:.06em;text-decoration:none;
  transition:transform var(--dur) var(--ease);
}
.rh-skip:focus{transform:translate(-50%,0)}
.rh-sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 容器与网格 ---------- */
.rh-wrap{
  width:min(var(--wrap),100% - var(--gutter) * 2);
  margin-inline:auto;
}
.rh-main{position:relative;z-index:1}
.rh-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(16px,2vw,28px);
}
.rh-span-4{grid-column:span 4}
.rh-span-5{grid-column:span 5}
.rh-span-6{grid-column:span 6}
.rh-span-7{grid-column:span 7}
.rh-span-8{grid-column:span 8}
.rh-span-12{grid-column:span 12}
.rh-grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.rh-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.rh-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.rh-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ==========================================================================
   页头
   ========================================================================== */
.rh-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  padding:clamp(10px,1.6vw,20px) clamp(12px,3vw,32px) 0;
  pointer-events:none;
}
.rh-header__progress{
  position:absolute;top:0;left:0;right:0;height:2px;
  background:rgba(167,167,173,.14);
  overflow:hidden;
}
.rh-header__progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--curtain),var(--ember));
  transition:width .12s linear;
}
.rh-capsule{
  pointer-events:auto;
  position:relative;
  width:min(1320px,100%);
  margin-inline:auto;
  display:flex;align-items:center;
  gap:clamp(8px,1.5vw,24px);
  padding:9px 10px 9px 18px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:var(--veil);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:padding var(--dur) var(--ease),
             background var(--dur) var(--ease),
             border-color var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.rh-header[data-scrolled="true"] .rh-capsule{
  padding:5px 8px 5px 16px;
  background:rgba(10,10,12,.94);
  border-color:rgba(167,167,173,.16);
  box-shadow:0 20px 44px -30px rgba(0,0,0,.95);
}

/* 品牌 */
.rh-brand{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;text-decoration:none;padding:4px 4px;
}
.rh-brand__mark{
  position:relative;flex:0 0 auto;
  width:16px;height:16px;background:var(--curtain);
}
.rh-brand__mark::after{
  content:"";position:absolute;top:-1px;bottom:-1px;left:50%;
  width:2px;background:var(--ink);
  transform:translateX(-50%) rotate(18deg);
}
.rh-brand__lockup{display:grid;line-height:1;gap:3px}
.rh-brand__text{
  font-family:var(--font-display);font-weight:800;
  font-size:1.02rem;letter-spacing:.02em;color:var(--bone);white-space:nowrap;
}
.rh-brand__note{
  font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--silver);white-space:nowrap;
}

/* 主导航 */
.rh-nav{
  flex:1 1 auto;min-width:0;
  display:flex;justify-content:center;
}
.rh-nav__list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.rh-nav__link{
  position:relative;display:block;
  padding:9px 14px;border-radius:var(--pill);
  font-size:.88rem;font-weight:500;letter-spacing:.02em;
  color:rgba(245,240,230,.7);text-decoration:none;white-space:nowrap;
  transition:color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.rh-nav__link:hover{color:var(--bone);background:rgba(200,16,46,.14)}
.rh-nav__link[aria-current="page"]{color:var(--bone);font-weight:700}
.rh-nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;
  height:1px;background:var(--curtain);
}

/* 工具区 */
.rh-tools{
  margin-left:auto;flex:0 0 auto;
  display:flex;align-items:center;gap:8px;
}

/* ==========================================================================
   按钮 / 标签 / 状态点
   ========================================================================== */
.rh-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--pill);
  border:1px solid transparent;background:transparent;color:var(--bone);
  font-family:var(--font-body);font-size:.88rem;font-weight:600;line-height:1;
  letter-spacing:.03em;text-decoration:none;cursor:pointer;
  transition:background var(--dur) var(--ease),
             border-color var(--dur) var(--ease),
             color var(--dur) var(--ease);
}
.rh-btn--red{background:var(--curtain);border-color:var(--curtain);color:var(--bone)}
.rh-btn--red:hover{background:var(--ember);border-color:var(--ember)}
.rh-btn--line{border-color:var(--line-strong);color:var(--bone)}
.rh-btn--line:hover{border-color:var(--curtain);background:rgba(200,16,46,.16)}
.rh-btn--quiet{border-color:transparent;color:var(--silver)}
.rh-btn--quiet:hover{color:var(--bone);background:rgba(245,240,230,.06)}
.rh-btn--sm{padding:8px 14px;font-size:.8rem}
.rh-btn--block{width:100%}

.rh-label{
  font-size:.72rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--silver);
}
.rh-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(20,20,26,.6);
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--silver);
}
.rh-tag--red{background:var(--curtain);border-color:var(--curtain);color:var(--bone)}
.rh-tag--clay{background:var(--clay);border-color:var(--clay);color:var(--bone)}
.rh-tag--outline{border-color:var(--curtain);color:var(--bone);background:transparent}
.rh-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--moss);flex:0 0 auto;
}

/* ==========================================================================
   设置面板
   ========================================================================== */
.rh-settings{position:relative}
.rh-iconbtn{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--pill);
  border:1px solid var(--line);background:transparent;color:var(--silver);
  font-size:.8rem;letter-spacing:.08em;cursor:pointer;
  transition:color var(--dur),border-color var(--dur),background var(--dur);
}
.rh-iconbtn:hover{color:var(--bone);border-color:var(--line-strong);background:rgba(245,240,230,.05)}
.rh-iconbtn__glyph{
  position:relative;flex:0 0 auto;
  width:12px;height:12px;border:1px solid currentColor;
}
.rh-iconbtn__glyph::after{
  content:"";position:absolute;inset:3px;background:var(--curtain);
}
.rh-settings__panel{
  position:absolute;top:calc(100% + 12px);right:0;z-index:5;
  width:min(300px,86vw);
  padding:18px;
  border:1px solid var(--line);border-radius:16px;
  background:var(--charcoal);
  box-shadow:0 32px 60px -34px rgba(0,0,0,.96);
}
.rh-settings__panel[hidden]{display:none}
.rh-settings__title{
  font-size:.66rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--silver);margin-bottom:14px;
}
.rh-settings__row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:9px 0;border-top:1px solid var(--line);
}
.rh-settings__row:first-of-type{border-top:0}
.rh-settings__key{font-size:.85rem;color:var(--bone)}
.rh-switch{
  display:inline-flex;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--pill);
}
.rh-switch__btn{
  padding:6px 12px;border:0;background:transparent;color:var(--silver);
  font-size:.72rem;letter-spacing:.06em;cursor:pointer;
  transition:background var(--dur),color var(--dur);
}
.rh-switch__btn[aria-pressed="true"]{background:var(--curtain);color:var(--bone)}
.rh-settings__reset{
  margin-top:14px;width:100%;padding:9px;
  border:1px solid var(--line);border-radius:var(--pill);
  background:transparent;color:var(--silver);
  font-size:.75rem;letter-spacing:.1em;cursor:pointer;
  transition:border-color var(--dur),color var(--dur);
}
.rh-settings__reset:hover{border-color:var(--curtain);color:var(--bone)}

/* ==========================================================================
   移动导航按钮
   ========================================================================== */
.rh-navtoggle{
  display:none;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--pill);
  border:1px solid var(--line);background:transparent;color:var(--bone);
  font-size:.8rem;letter-spacing:.08em;cursor:pointer;
  transition:border-color var(--dur),background var(--dur);
}
.rh-navtoggle:hover{border-color:var(--line-strong);background:rgba(245,240,230,.05)}
.rh-navtoggle__bars{position:relative;flex:0 0 auto;width:16px;height:10px}
.rh-navtoggle__bars::before,
.rh-navtoggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1.5px;
  background:currentColor;
  transition:transform var(--dur) var(--ease);
}
.rh-navtoggle__bars::before{top:0}
.rh-navtoggle__bars::after{bottom:0}
.rh-header[data-open="true"] .rh-navtoggle__bars::before{transform:translateY(4px) rotate(45deg)}
.rh-header[data-open="true"] .rh-navtoggle__bars::after{transform:translateY(-4px) rotate(-45deg)}

/* ==========================================================================
   页脚
   ========================================================================== */
.rh-footer{
  position:relative;
  margin-top:clamp(72px,10vw,150px);
  background:var(--charcoal);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.rh-footer::before{
  content:"";position:absolute;top:0;left:0;bottom:0;
  width:46%;max-width:620px;pointer-events:none;
  background:linear-gradient(150deg,rgba(200,16,46,.24),rgba(200,16,46,0) 68%);
}
.rh-footer::after{
  content:"";position:absolute;right:-8%;bottom:-26%;
  width:min(520px,62vw);aspect-ratio:1;pointer-events:none;
  background:radial-gradient(circle at 32% 32%,rgba(200,16,46,.2),transparent 62%);
}
.rh-footer__inner{
  position:relative;z-index:1;
  width:min(var(--wrap),100% - var(--gutter) * 2);
  margin-inline:auto;
  padding-block:clamp(56px,8vw,96px) clamp(36px,5vw,56px);
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr) minmax(0,1.15fr);
  gap:clamp(30px,4.5vw,64px);
}
.rh-footer__brand{min-width:0}
.rh-footer__wordmark{
  font-family:var(--font-display);
  font-size:clamp(1.9rem,5vw,3.4rem);
  font-weight:900;letter-spacing:-.03em;line-height:1;
  color:var(--bone);
}
.rh-footer__wordmark span{color:var(--curtain)}
.rh-footer__lede{
  margin-top:16px;max-width:40ch;
  color:var(--silver);font-size:.94rem;
}
.rh-footer__status{
  margin-top:22px;
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 14px;
  border:1px solid var(--line);border-radius:var(--pill);
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--bone);
}
.rh-footer__col{min-width:0}
.rh-footer__title{
  margin-bottom:16px;
  font-family:var(--font-body);
  font-size:.66rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--silver);
}
.rh-footer__list{display:grid;gap:11px}
.rh-footer__link{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.92rem;color:rgba(245,240,230,.78);text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.rh-footer__link::before{
  content:"";width:10px;height:1px;background:var(--stone);
  transition:width var(--dur) var(--ease),background var(--dur) var(--ease);
}
.rh-footer__link:hover{color:var(--bone)}
.rh-footer__link:hover::before{width:20px;background:var(--curtain)}
.rh-footer__contact{display:grid;gap:14px}
.rh-footer__item{
  display:grid;gap:5px;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.rh-footer__item:last-child{border-bottom:0;padding-bottom:0}
.rh-footer__key{
  font-size:.64rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--silver);
}
.rh-footer__value{
  font-family:var(--font-mono);
  font-size:.86rem;letter-spacing:.01em;color:var(--bone);
  word-break:break-word;
}
.rh-footer__note{margin-top:16px;font-size:.8rem;color:var(--silver)}
.rh-footer__legal{position:relative;z-index:1;border-top:1px solid var(--line)}
.rh-footer__legal-inner{
  width:min(var(--wrap),100% - var(--gutter) * 2);
  margin-inline:auto;
  padding-block:20px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px 28px;
  font-size:.76rem;letter-spacing:.05em;color:var(--silver);
}
.rh-footer__legal-links{display:flex;flex-wrap:wrap;gap:20px}
.rh-footer__legal-links a{
  color:var(--silver);text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur),border-color var(--dur);
}
.rh-footer__legal-links a:hover{color:var(--bone);border-bottom-color:var(--curtain)}
.rh-footer__copyright,.rh-footer__icp{margin:0}

/* ==========================================================================
   通用内容组件
   ========================================================================== */
.rh-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--silver);
}
.rh-crumbs a{color:var(--silver);text-decoration:none;transition:color var(--dur)}
.rh-crumbs a:hover{color:var(--bone)}
.rh-crumbs__sep{color:var(--stone)}

.rh-page-head{padding-block:clamp(34px,6vw,72px) clamp(20px,3vw,38px)}
.rh-page-title{font-size:clamp(2.1rem,6vw,4.4rem);letter-spacing:-.03em}
.rh-page-lede{
  margin-top:18px;max-width:62ch;
  color:var(--silver);font-size:1.02rem;
}

.rh-section{padding-block:clamp(44px,6vw,86px)}
.rh-section--tight{padding-block:clamp(26px,4vw,52px)}
.rh-section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px 28px;
  padding-bottom:18px;margin-bottom:clamp(24px,3.6vw,44px);
  border-bottom:1px solid var(--line);
}
.rh-section__title{font-size:clamp(1.55rem,3.4vw,2.5rem)}
.rh-section__meta{
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--silver);
}

.rh-panel{
  padding:clamp(18px,2.6vw,32px);
  border:1px solid var(--line);
  background:var(--charcoal);
}
.rh-panel--ink{background:var(--ink);border-color:var(--line)}
.rh-panel--sand{background:var(--sand);color:var(--ink);border-color:transparent}

/* 图片容器（页面阶段放 img 或留作纹理占位） */
.rh-media{
  position:relative;display:block;width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border:1px solid var(--line);
  background:
    linear-gradient(150deg,rgba(200,16,46,.16),rgba(20,20,26,.9) 52%,var(--ink) 100%);
}
.rh-media > img,
.rh-media > video{
  width:100%;height:100%;object-fit:cover;
  filter:saturate(.92) contrast(1.08);
}
.rh-media--wide{aspect-ratio:21 / 9}
.rh-media--square{aspect-ratio:1 / 1}
.rh-media--tall{aspect-ratio:4 / 5}
.rh-media--grain::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(245,240,230,.035) 0 1px,transparent 1px 3px),
    repeating-linear-gradient(90deg,rgba(10,10,12,.05) 0 1px,transparent 1px 4px);
  mix-blend-mode:overlay;
}
.rh-media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:12px 14px;
  font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--bone);
  background:linear-gradient(to top,rgba(10,10,12,.92),rgba(10,10,12,0));
}

/* 正文与长文阅读区 */
.rh-prose{max-width:68ch;font-size:1rem}
.rh-prose > * + *{margin-top:1.05em}
.rh-prose h2{margin-top:2.2em;font-size:clamp(1.35rem,2.6vw,1.9rem)}
.rh-prose h3{margin-top:1.8em;font-size:1.14rem;font-weight:700}
.rh-prose ul,.rh-prose ol{display:grid;gap:.6em;margin-top:1em}
.rh-prose li{position:relative;padding-left:1.5em}
.rh-prose li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:9px;height:1px;background:var(--curtain);
}
.rh-prose a{
  color:var(--bone);text-decoration:underline;
  text-decoration-color:var(--curtain);text-underline-offset:4px;
}
.rh-reading{
  background:var(--sand);color:var(--ink);
  padding:clamp(24px,4vw,56px);
}
.rh-reading a{color:var(--curtain)}
.rh-reading .rh-label,.rh-reading .rh-section__meta{color:#5d5750}

/* 折叠面板 */
.rh-fold{border-top:1px solid var(--line)}
.rh-fold__item{border-bottom:1px solid var(--line)}
.rh-fold__btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 2px;
  background:none;border:0;color:var(--bone);
  font-size:1rem;font-weight:600;text-align:left;cursor:pointer;
  transition:color var(--dur);
}
.rh-fold__btn:hover{color:#fff}
.rh-fold__btn::after{
  content:"";flex:0 0 auto;
  width:9px;height:9px;margin-top:-3px;
  border-right:1px solid var(--curtain);
  border-bottom:1px solid var(--curtain);
  transform:rotate(45deg);
  transition:transform var(--dur) var(--ease);
}
.rh-fold__item[data-open="true"] .rh-fold__btn::after{transform:rotate(-135deg)}
.rh-fold__panel{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows var(--dur) var(--ease);
}
.rh-fold__item[data-open="true"] .rh-fold__panel{grid-template-rows:1fr}
.rh-fold__inner{overflow:hidden}
.rh-fold__body{
  padding:0 2px 24px;max-width:70ch;
  color:var(--silver);font-size:.96rem;
}

/* 筛选 */
.rh-filters{display:flex;flex-wrap:wrap;gap:8px}
.rh-filter{
  padding:8px 16px;border-radius:var(--pill);
  border:1px solid var(--line);background:transparent;color:var(--silver);
  font-size:.8rem;letter-spacing:.08em;cursor:pointer;
  transition:color var(--dur),border-color var(--dur),background var(--dur);
}
.rh-filter:hover{color:var(--bone);border-color:var(--line-strong)}
.rh-filter[aria-pressed="true"]{
  background:var(--curtain);border-color:var(--curtain);color:var(--bone);
}
.rh-filter-count{
  font-size:.76rem;letter-spacing:.12em;color:var(--silver);
  font-family:var(--font-mono);
}
[data-filter-scope]{transition:opacity 150ms linear}
[data-filter-scope].is-filtering{opacity:.3}
[data-filter-item][data-filtered="true"]{display:none}

/* 复制 */
.rh-copy{
  justify-self:start;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:var(--pill);
  border:1px solid var(--line);background:transparent;color:var(--silver);
  font-size:.72rem;letter-spacing:.08em;cursor:pointer;
  transition:border-color var(--dur),color var(--dur);
}
.rh-copy:hover{border-color:var(--curtain);color:var(--bone)}
.rh-copy[data-copied="true"]{border-color:var(--moss);color:var(--bone)}

/* 滚动显现 */
[data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .26s ease-out,transform .26s ease-out;
}
[data-reveal].is-revealed{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:80ms}
[data-reveal][data-delay="2"]{transition-delay:160ms}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1180px){
  .rh-nav__link{padding:9px 10px;font-size:.82rem}
}
@media (max-width:1100px){
  .rh-navtoggle{display:inline-flex}
  .rh-header__cta{display:none}
  .rh-nav{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    padding:10px;
    border:1px solid var(--line);border-radius:20px;
    background:var(--charcoal);
    box-shadow:0 34px 64px -34px rgba(0,0,0,.98);
  }
  .rh-header[data-open="true"] .rh-nav{display:block}
  .rh-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .rh-nav__list li + li{border-top:1px solid var(--line)}
  .rh-nav__link{
    padding:14px 16px;border-radius:12px;
    font-size:.96rem;color:rgba(245,240,230,.82);
  }
  .rh-nav__link[aria-current="page"]::after{
    left:16px;right:auto;bottom:8px;width:22px;
  }
  .rh-span-4,.rh-span-5,.rh-span-6,.rh-span-7,.rh-span-8{grid-column:span 12}
}
@media (max-width:960px){
  .rh-grid--3,.rh-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rh-footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .rh-footer__brand{grid-column:1 / -1}
}
@media (max-width:620px){
  .rh-grid--2,.rh-grid--3,.rh-grid--4{grid-template-columns:minmax(0,1fr)}
  .rh-12{grid-template-columns:minmax(0,1fr)}
  .rh-capsule{gap:8px;padding:8px 8px 8px 12px}
  .rh-brand__note{display:none}
  .rh-brand__text{font-size:.95rem}
  .rh-iconbtn{padding:8px 10px}
  .rh-iconbtn__text{display:none}
  .rh-settings__panel{
    position:fixed;top:calc(var(--header-space) + 4px);
    left:12px;right:12px;width:auto;
  }
  .rh-footer__inner{grid-template-columns:minmax(0,1fr)}
  .rh-footer__legal-inner{flex-direction:column;align-items:flex-start}
  .rh-page-lede{font-size:.98rem}
}

/* ==========================================================================
   动效降级
   ========================================================================== */
html[data-pref-motion="reduced"] *,
html[data-pref-motion="reduced"] *::before,
html[data-pref-motion="reduced"] *::after{
  animation-duration:.001ms !important;
  animation-iteration-count:1 !important;
  transition-duration:.001ms !important;
}
html[data-pref-motion="reduced"]{scroll-behavior:auto}

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