/* ============================================================
   /assets/site.css — 梦想棋牌 共享外壳与基础组件
   ============================================================ */

:root{
  --night:#08131F;
  --panel:#10283F;
  --glass:#1C3D5C;
  --gold:#E9B45C;
  --gold-soft:#F6DCA8;
  --cinnabar:#D65A46;
  --cinnabar-soft:#F08A78;
  --celadon:#75B8A4;
  --paper:#F3EEE4;
  --mist:#A8B6C4;
  --ink:#050B12;

  --line-gold:rgba(233,180,92,.22);
  --line-cool:rgba(168,182,196,.18);
  --line-soft:rgba(168,182,196,.10);

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

  --radius-s:12px;
  --radius-m:18px;
  --radius-l:28px;
  --radius-pill:999px;

  --shell:1440px;
  --gutter:clamp(20px,5vw,72px);
  --gap:24px;
  --header-h:88px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit}
a{color:inherit}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 20px);
}
body{
  min-height:100vh;
  background-color:var(--night);
  background-image:
    radial-gradient(1100px 720px at 86% -140px, rgba(28,61,92,.62), transparent 68%),
    radial-gradient(760px 520px at 2% -60px, rgba(233,180,92,.07), transparent 70%),
    radial-gradient(900px 620px at 60% 118%, rgba(214,90,70,.05), transparent 72%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:clamp(15.5px,1.02vw,17.5px);
  line-height:1.8;
  font-synthesis-weight:none;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(233,180,92,.30);color:var(--paper)}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:8px;
  left:50%;
  z-index:200;
  transform:translate(-50%,-180%);
  padding:10px 22px;
  border-radius:var(--radius-pill);
  background:var(--gold);
  color:var(--ink);
  font-family:var(--font-display);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  text-decoration:none;
  box-shadow:0 10px 28px rgba(5,11,18,.5);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

/* ============================================================
   头部
   ============================================================ */
.site-header{
  position:fixed;
  inset-block-start:0;
  inset-inline:0;
  z-index:90;
  padding-block:clamp(10px,1.4vh,18px);
  background:linear-gradient(180deg,rgba(5,11,18,.96) 0%,rgba(8,19,31,.80) 62%,rgba(8,19,31,0) 100%);
  transition:padding .24s ease,background .24s ease;
}
.site-header.is-condensed{
  padding-block:6px;
  background:linear-gradient(180deg,rgba(5,11,18,.99) 0%,rgba(8,19,31,.88) 72%,rgba(8,19,31,0) 100%);
}
.scroll-rail{
  position:absolute;
  inset-block-start:0;
  inset-inline:0;
  display:block;
  height:2px;
  background:rgba(168,182,196,.12);
  overflow:hidden;
  pointer-events:none;
}
.scroll-rail__bar{
  display:block;
  width:100%;
  height:100%;
  background:linear-gradient(90deg,var(--gold),var(--cinnabar));
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform .1s linear;
}
.site-header__inner{
  position:relative;
  width:min(calc(100% - (var(--gutter) * 2)),var(--shell));
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:14px;
}

/* 品牌浮岛 */
.brand{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:12px;
  padding:9px 20px 9px 12px;
  border-radius:var(--radius-pill);
  background:rgba(28,61,92,.52);
  border:1px solid var(--line-cool);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  color:var(--paper);
  text-decoration:none;
  transition:transform .16s ease,border-color .16s ease,background .16s ease;
}
.brand:hover{
  transform:translateY(-2px);
  border-color:rgba(233,180,92,.5);
  background:rgba(28,61,92,.78);
}
.brand__mark{position:relative;flex:0 0 auto;width:28px;height:28px}
.brand__tile{
  position:absolute;
  width:15px;
  height:21px;
  border-radius:3px;
  background:linear-gradient(160deg,var(--gold-soft),var(--gold));
  box-shadow:0 2px 8px rgba(5,11,18,.45);
}
.brand__tile:nth-child(1){inset-block-start:0;inset-inline-start:0;transform:rotate(-9deg)}
.brand__tile:nth-child(2){
  inset-block-end:0;
  inset-inline-end:0;
  background:linear-gradient(160deg,var(--cinnabar-soft),var(--cinnabar));
  transform:rotate(9deg);
  opacity:.94;
}
.brand__text{display:flex;flex-direction:column;gap:1px;line-height:1.1}
.brand__name{
  font-family:var(--font-display);
  font-size:16px;
  font-weight:700;
  letter-spacing:.02em;
}
.brand__sub{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.2em;
  color:var(--gold);
}

/* 移动端开关 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-inline-start:auto;
  padding:10px 16px;
  border-radius:var(--radius-pill);
  background:rgba(16,40,63,.82);
  border:1px solid rgba(168,182,196,.26);
  color:var(--paper);
  font-family:var(--font-display);
  font-size:13px;
  letter-spacing:.1em;
  cursor:pointer;
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:color .16s ease,border-color .16s ease;
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"]{color:var(--gold);border-color:rgba(233,180,92,.55)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-3px) rotate(-45deg)}

/* 玻璃控制舱 */
.site-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-inline-start:auto;
  padding:6px;
  border-radius:var(--radius-pill);
  background:rgba(16,40,63,.74);
  border:1px solid var(--line-cool);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  backdrop-filter:blur(18px) saturate(120%);
  box-shadow:0 14px 36px rgba(5,11,18,.46);
  transition:padding .24s ease;
}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__item{display:flex}
.site-nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 13px;
  border-radius:var(--radius-pill);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:500;
  letter-spacing:.01em;
  color:var(--mist);
  text-decoration:none;
  white-space:nowrap;
  transition:color .16s ease,background .16s ease;
}
.site-nav__link::before{
  content:"";
  display:block;
  width:0;
  height:5px;
  border-radius:50%;
  background:var(--gold);
  transition:width .18s ease,box-shadow .18s ease;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  inset-inline-start:50%;
  inset-block-end:4px;
  width:0;
  height:2px;
  border-radius:2px;
  background:var(--gold);
  transform:translateX(-50%);
  transition:width .18s ease;
}
.site-nav__link:hover{color:var(--paper);background:rgba(28,61,92,.85)}
.site-nav__link[aria-current="page"]{
  color:var(--gold-soft);
  background:rgba(233,180,92,.10);
}
.site-nav__link[aria-current="page"]::before{width:5px;box-shadow:0 0 12px rgba(233,180,92,.85)}
.site-nav__link[aria-current="page"]::after{width:18px}
.site-nav__actions{
  display:flex;
  align-items:center;
  gap:8px;
  margin-inline-start:4px;
  padding-inline-start:10px;
  border-inline-start:1px solid rgba(168,182,196,.2);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .16s ease,background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.btn--gold{
  background:var(--gold);
  color:var(--ink);
  box-shadow:0 6px 18px rgba(233,180,92,.18);
}
.btn--gold:hover{background:var(--gold-soft);transform:translateY(-2px);box-shadow:0 12px 28px rgba(233,180,92,.28)}
.btn--ghost{
  background:rgba(28,61,92,.42);
  color:var(--gold-soft);
  border-color:rgba(233,180,92,.34);
}
.btn--ghost:hover{
  background:rgba(28,61,92,.85);
  border-color:rgba(233,180,92,.68);
  transform:translateY(-2px);
}
.btn--line{
  background:transparent;
  color:var(--paper);
  border-color:rgba(168,182,196,.32);
}
.btn--line:hover{border-color:var(--gold);color:var(--gold-soft);transform:translateY(-2px)}
.btn--compact{padding:9px 16px;font-size:13px}

@media (max-width:1240px){
  .site-nav__actions .btn--ghost{display:none}
  .site-nav__link{padding-inline:11px;font-size:13.5px}
}
@media (max-width:1080px){
  :root{--header-h:76px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;
    inset-block-start:calc(100% + 12px);
    inset-inline:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:14px;
    border-radius:22px;
    background:rgba(10,26,41,.97);
    border-color:rgba(233,180,92,.24);
    max-height:min(72vh,560px);
    overflow:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    pointer-events:none;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .site-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    transform:none;
    pointer-events:auto;
  }
  .site-nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav__link{
    justify-content:flex-start;
    padding:12px 14px;
    font-size:15px;
    border-radius:14px;
  }
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{background:rgba(233,180,92,.14)}
  .site-nav__actions{
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    margin:10px 0 0;
    padding:12px 0 0;
    border-inline-start:0;
    border-block-start:1px solid rgba(168,182,196,.2);
  }
  .site-nav__actions .btn{width:100%;padding:13px 18px;font-size:14px}
  .site-nav__actions .btn--ghost{display:inline-flex}
}
@media (max-width:420px){
  .brand__name{font-size:15px}
  .brand__sub{letter-spacing:.14em}
  .brand{padding:8px 16px 8px 10px}
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-block-start:clamp(72px,10vw,140px);
  background:linear-gradient(180deg,#0A1826 0%,var(--ink) 66%);
  border-block-start:1px solid var(--line-gold);
  color:var(--mist);
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(168,182,196,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(168,182,196,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 74%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 74%);
}
.site-footer__glow{
  position:absolute;
  inset-block-start:-170px;
  inset-inline-start:-90px;
  width:560px;
  height:340px;
  background:radial-gradient(closest-side,rgba(233,180,92,.16),transparent 72%);
  pointer-events:none;
}
.site-footer__inner{
  position:relative;
  width:min(calc(100% - (var(--gutter) * 2)),var(--shell));
  margin-inline:auto;
  padding-block:clamp(48px,6vw,86px) clamp(28px,3vw,46px);
  display:grid;
  grid-template-columns:minmax(0,1.7fr) minmax(0,.7fr) minmax(0,.8fr) minmax(0,1.2fr);
  gap:clamp(28px,4vw,56px);
}
.site-footer__brand{min-width:0}
.site-footer__kicker{
  font-family:var(--font-display);
  font-size:clamp(19px,1.9vw,26px);
  font-weight:300;
  letter-spacing:-.02em;
  line-height:1.3;
  color:var(--paper);
}
.site-footer__desc{
  margin-block-start:14px;
  max-width:34ch;
  font-size:15px;
  line-height:1.95;
  color:var(--mist);
}
.site-footer__hours{
  margin-block-start:14px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(168,182,196,.72);
}
.site-footer__col{min-width:0}
.site-footer__col-title{
  font-family:var(--font-display);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.24em;
  color:var(--gold);
}
.site-footer__list{
  margin-block-start:16px;
  display:flex;
  flex-direction:column;
  gap:11px;
}
.site-footer__link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14.5px;
  color:var(--mist);
  text-decoration:none;
  transition:color .16s ease,transform .16s ease;
}
.site-footer__link::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:1px;
  background:rgba(168,182,196,.45);
  transform:rotate(45deg);
  transition:background .16s ease;
}
.site-footer__link:hover{color:var(--gold-soft);transform:translateX(2px)}
.site-footer__link:hover::before{background:var(--gold)}
.site-footer__col--contact{min-width:0}
.contact-row{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:10px;
  padding-block:10px;
  border-block-end:1px dashed rgba(168,182,196,.16);
  font-size:13.5px;
}
.contact-row--address{grid-template-columns:auto minmax(0,1fr)}
.contact-row__label{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.16em;
  color:var(--celadon);
}
.contact-row__value{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-all;
}
.contact-row--address .contact-row__value{
  font-family:var(--font-body);
  font-size:13.5px;
  line-height:1.7;
  color:var(--mist);
}
.copy-btn{
  padding:5px 11px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(233,180,92,.32);
  background:transparent;
  color:var(--gold-soft);
  font-family:var(--font-display);
  font-size:11.5px;
  letter-spacing:.08em;
  cursor:pointer;
  transition:background .16s ease,border-color .16s ease,color .16s ease;
}
.copy-btn:hover{background:rgba(233,180,92,.14);border-color:var(--gold)}
.copy-btn[data-copied="true"]{
  background:rgba(117,184,164,.16);
  border-color:var(--celadon);
  color:var(--celadon);
}
.site-footer__bar{
  position:relative;
  width:min(calc(100% - (var(--gutter) * 2)),var(--shell));
  margin-inline:auto;
  padding-block:20px;
  border-block-start:1px solid rgba(168,182,196,.14);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 26px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(168,182,196,.8);
}
.site-footer__legal{margin:0}
.site-footer__icp{
  padding:3px 10px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(168,182,196,.22);
  color:var(--mist);
}
.site-footer__legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin-inline-start:auto;
}
.site-footer__legal-links a{
  color:var(--mist);
  text-decoration:none;
  transition:color .16s ease;
}
.site-footer__legal-links a:hover{color:var(--gold-soft)}
.site-footer__note{
  position:relative;
  width:min(calc(100% - (var(--gutter) * 2)),var(--shell));
  max-width:96ch;
  margin-inline:auto;
  padding-block-end:clamp(28px,3vw,44px);
  font-size:12.5px;
  line-height:1.85;
  color:rgba(168,182,196,.7);
}
@media (max-width:1100px){
  .site-footer__inner{
    grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);
  }
  .site-footer__col--contact{grid-column:1 / -1}
}
@media (max-width:760px){
  .site-footer__inner{grid-template-columns:1fr 1fr}
  .site-footer__brand{grid-column:1 / -1}
  .site-footer__col--contact{grid-column:1 / -1}
  .site-footer__legal-links{margin-inline-start:0;gap:14px}
}
@media (max-width:480px){
  .site-footer__inner{grid-template-columns:1fr}
  .site-footer__col--contact{grid-column:auto}
  .contact-row{grid-template-columns:auto minmax(0,1fr) auto}
  .contact-row--address{grid-template-columns:auto minmax(0,1fr)}
}

/* ============================================================
   通用容器 / 排版
   ============================================================ */
.shell{
  width:min(calc(100% - (var(--gutter) * 2)),var(--shell));
  margin-inline:auto;
}
.site-main{
  display:block;
  padding-block-start:calc(var(--header-h) + clamp(16px,3vw,40px));
}
.section{padding-block:clamp(44px,6.5vw,92px)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.22em;
  color:var(--celadon);
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor}
.section-title{
  font-family:var(--font-display);
  font-weight:300;
  letter-spacing:-.03em;
  line-height:1.08;
  font-size:clamp(27px,3.6vw,50px);
  color:var(--paper);
}
.lede{
  max-width:56ch;
  font-size:clamp(16px,1.25vw,19px);
  line-height:1.85;
  color:var(--mist);
}
.mono{font-family:var(--font-mono);letter-spacing:.04em}

/* 栅格 */
.grid{display:grid;gap:var(--gap)}
.split{display:grid;gap:clamp(24px,3.4vw,48px);grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){
  .split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
  .split--4-8{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
}

/* 面包屑 */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(168,182,196,.72);
}
.breadcrumbs__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumbs__item[aria-current="page"]{color:var(--gold-soft)}
.breadcrumbs__link{
  color:var(--mist);
  text-decoration:none;
  border-block-end:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.breadcrumbs__link:hover{color:var(--gold-soft);border-block-end-color:rgba(233,180,92,.55)}
.breadcrumbs__sep{color:rgba(168,182,196,.38)}

/* 正文 */
.prose{
  max-width:68ch;
  font-size:clamp(15.5px,1.02vw,17px);
  line-height:1.95;
  color:var(--paper);
}
.prose > * + *{margin-block-start:1.05em}
.prose h2,.prose h3{
  font-family:var(--font-display);
  font-weight:600;
  letter-spacing:-.01em;
  line-height:1.3;
  color:var(--gold-soft);
}
.prose h2{font-size:clamp(22px,2.4vw,30px);margin-block-start:1.9em}
.prose h3{font-size:clamp(18px,1.8vw,22px);margin-block-start:1.6em}
.prose strong{color:var(--gold-soft);font-weight:600}
.prose a{color:var(--gold);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{padding-inline-start:1.15em}
.prose li{position:relative;margin-block-start:.5em}
.prose li::before{
  content:"";
  position:absolute;
  inset-inline-start:-1em;
  inset-block-start:.78em;
  width:5px;
  height:5px;
  border-radius:1px;
  background:var(--celadon);
  transform:rotate(45deg);
}
.prose blockquote{
  padding:14px 20px;
  border-inline-start:2px solid var(--celadon);
  background:rgba(117,184,164,.07);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--mist);
}

/* 卡片 */
.card{
  background:var(--panel);
  border:1px solid var(--line-cool);
  border-radius:var(--radius-m);
  padding:clamp(20px,2.4vw,32px);
}
.card--glass{
  background:rgba(28,61,92,.42);
  border-color:rgba(233,180,92,.22);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}

/* 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.6;
}
.tag--gold{background:rgba(233,180,92,.14);color:var(--gold-soft);border-color:rgba(233,180,92,.4)}
.tag--celadon{background:rgba(117,184,164,.12);color:var(--celadon);border-color:rgba(117,184,164,.36)}
.tag--red{background:rgba(214,90,70,.14);color:var(--cinnabar-soft);border-color:rgba(214,90,70,.4)}

/* 图片容器 */
.media-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-m);
  border:1px solid var(--line-cool);
  background:linear-gradient(150deg,#0E2233,#183553);
  aspect-ratio:4 / 3;
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.media-frame:hover img{transform:scale(1.02)}
.media-frame--wide{aspect-ratio:16 / 10}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame__caption{
  position:absolute;
  inset-block-end:12px;
  inset-inline-start:12px;
  padding:6px 12px;
  border-radius:var(--radius-pill);
  background:rgba(8,19,31,.74);
  border:1px solid var(--line-gold);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--gold-soft);
}

/* 滚动显现 */
.has-reveal [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .48s ease,transform .48s ease;
  transition-delay:var(--reveal-delay,0ms);
}
.has-reveal [data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 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;
  }
  .has-reveal [data-reveal]{opacity:1;transform:none;transition:none}
  .scroll-rail__bar{transition:none}
  .brand:hover,.btn:hover,.site-footer__link:hover{transform:none}
  .media-frame:hover img{transform:none}
}