/* =========================================================
   /assets/site.css — 九州娱乐赛场 共享样式
   深夜球场绿底 / 戈壁沙金细线 / 看台暖橙状态
   ========================================================= */

:root{
  --c-green:#0B2A22;
  --c-abyss:#071A15;
  --c-sand:#D9B36A;
  --c-orange:#F0863A;
  --c-orange-soft:rgba(240,134,58,.16);
  --c-night-a:#1B2A5B;
  --c-night-b:#4A2E6B;
  --c-cream:#F2E8D5;
  --c-line:#6E8B84;
  --c-teal:#3FBF9B;
  --c-alert:#E4572E;

  --hair:1px solid rgba(110,139,132,.28);
  --hair-sand:1px solid rgba(217,179,106,.34);
  --card-bg:linear-gradient(180deg,rgba(7,26,21,.74),rgba(11,42,34,.46));
  --shadow-1:0 1px 0 rgba(0,0,0,.28);
  --shadow-2:0 16px 34px -24px rgba(0,0,0,.95);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --rail-w:68px;
  --maxw:1180px;
  --gutter:clamp(18px,4vw,32px);
  --radius:3px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --header-h:132px;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0}
ul,ol{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;cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:rgba(240,134,58,.9);color:#1A0D05}

/* ---------- 基础版面 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  color:var(--c-cream);
  background-color:var(--c-green);
  background-image:
    radial-gradient(1200px 620px at 84% -10%,rgba(74,46,107,.52),transparent 62%),
    radial-gradient(900px 520px at 4% 0%,rgba(27,42,91,.55),transparent 58%),
    radial-gradient(760px 460px at 52% 110%,rgba(240,134,58,.12),transparent 72%);
  background-repeat:no-repeat;
  overflow-x:hidden;
}
p{max-width:44em}
strong{font-weight:800}
h1,h2,h3,h4{line-height:1.28;letter-spacing:.01em}

:focus-visible{outline:2px solid var(--c-teal);outline-offset:3px;border-radius:2px}
.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}
.rule{height:1px;border:0;background:linear-gradient(90deg,rgba(217,179,106,.45),rgba(110,139,132,.14));margin:28px 0}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;left:14px;top:-120px;z-index:300;
  padding:10px 20px;border-radius:2px;
  background:var(--c-orange);color:#1A0D05;
  font-size:14px;font-weight:700;letter-spacing:.08em;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px}

/* ---------- 侧边品牌轨道 ---------- */
.brand-rail{display:none}

/* ---------- 报头 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:rgba(7,26,21,.9);backdrop-filter:blur(8px)}
.masthead{
  background:linear-gradient(180deg,rgba(7,26,21,.96),rgba(11,42,34,.72));
  border-bottom:var(--hair);
}
.masthead__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:14px var(--gutter) 12px;
  display:grid;gap:10px 16px;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"brand utils";
  align-items:center;
}
.masthead__brand{grid-area:brand;min-width:0}
.masthead__utils{grid-area:utils;display:flex;align-items:center;gap:12px;justify-content:flex-end}
.masthead__meta{display:none}
.index-label{font-size:12.5px;font-weight:500;letter-spacing:.16em;color:rgba(217,179,106,.86)}

.brandmark{display:inline-block}
.brandmark__name{
  display:block;
  font-size:clamp(21px,4.6vw,30px);
  font-weight:900;
  letter-spacing:.16em;
  line-height:1.16;
  color:var(--c-cream);
  text-indent:.16em;
  transition:font-size .25s var(--ease),color .25s var(--ease);
}
.brandmark:hover .brandmark__name{color:#fff}
.brandmark__sub{
  display:block;margin-top:5px;
  font-size:11.5px;letter-spacing:.28em;color:rgba(110,139,132,.95);
  text-indent:.28em;
  transition:opacity .25s var(--ease);
}
.version-badge{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:9px;padding:4px 12px;
  border:var(--hair-sand);border-radius:999px;
  background:rgba(7,26,21,.6);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;
  color:rgba(242,232,213,.84);
  transition:margin .25s var(--ease);
}
.version-badge__dot{
  width:6px;height:6px;border-radius:50%;background:var(--c-orange);
  box-shadow:0 0 0 4px rgba(240,134,58,.18);
  animation:pulse 2.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(240,134,58,.16)}
  50%{box-shadow:0 0 0 7px rgba(240,134,58,.05)}
}

.utility-list{display:none;align-items:center;gap:2px}
.utility-link{
  display:inline-block;padding:6px 10px;
  font-size:12.5px;letter-spacing:.06em;
  color:rgba(242,232,213,.68);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.utility-link:hover{color:var(--c-cream);border-bottom-color:rgba(217,179,106,.6)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:11px 22px;border-radius:2px;
  border:1px solid transparent;
  font-size:14px;font-weight:700;letter-spacing:.08em;line-height:1.2;
  white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn--sm{padding:9px 16px;font-size:13px}
.btn--primary{background:var(--c-orange);color:#1A0D05;box-shadow:0 1px 0 rgba(0,0,0,.3)}
.btn--primary:hover{background:#FF9A52;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(240,134,58,.85)}
.btn--ghost{border-color:rgba(217,179,106,.5);color:var(--c-sand);background:transparent}
.btn--ghost:hover{border-color:var(--c-sand);color:var(--c-cream);transform:translateY(-1px)}
.btn--quiet{border-color:var(--hair);color:rgba(242,232,213,.8)}
.btn--quiet:hover{color:var(--c-teal);border-color:rgba(63,191,155,.6)}
.btn:active{transform:translateY(0)}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border:var(--hair-sand);border-radius:2px;
  color:var(--c-sand);font-size:12.5px;font-weight:600;letter-spacing:.14em;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:16px}
.nav-toggle__bar{display:block;height:1.5px;background:currentColor;transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle[aria-expanded="true"]{color:var(--c-orange);border-color:rgba(240,134,58,.55)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------- 主导航 ---------- */
.site-nav{display:none;border-bottom:var(--hair);background:rgba(7,26,21,.97)}
.site-nav__list{counter-reset:nav;max-width:var(--maxw);margin:0 auto;padding:6px var(--gutter) 10px;display:flex;flex-direction:column}
.site-nav__list>li{counter-increment:nav;border-bottom:var(--hair)}
.site-nav__list>li:last-child{border-bottom:0}
.site-nav__list a{
  position:relative;display:block;
  padding:13px 2px;
  font-size:15px;letter-spacing:.08em;font-weight:500;
  color:rgba(242,232,213,.76);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),padding-left .2s var(--ease);
}
.site-nav__list a::before{
  content:counter(nav,decimal-leading-zero);
  display:inline-block;
  margin-right:.85em;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;
  color:var(--c-sand);opacity:.6;vertical-align:.16em;
  transition:color .2s var(--ease),opacity .2s var(--ease);
}
.site-nav__list a:hover{color:var(--c-cream);border-left-color:rgba(217,179,106,.6);padding-left:.5em}
.site-nav__list a:hover::before{opacity:1}
.site-nav__list a[aria-current="page"]{
  color:var(--c-cream);font-weight:700;
  border-left-color:var(--c-orange);
  background:linear-gradient(90deg,rgba(240,134,58,.14),transparent 70%);
}
.site-nav__list a[aria-current="page"]::before{color:var(--c-orange);opacity:1}

@media (max-width:899.98px){
  .site-nav[data-open]{display:block;animation:navIn .24s var(--ease)}
  @keyframes navIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{max-width:var(--maxw);margin:0 auto;padding:22px var(--gutter) 0}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px;font-size:12.5px;letter-spacing:.05em;color:rgba(242,232,213,.6)}
.breadcrumb__list li{display:flex;align-items:baseline;gap:4px}
.breadcrumb__list li+li::before{content:"/";color:rgba(217,179,106,.55)}
.breadcrumb__list a:hover{color:var(--c-teal)}
.breadcrumb__list [aria-current="page"]{color:rgba(242,232,213,.9)}

/* ---------- 正文容器与网格 ---------- */
.prose{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.prose--narrow{max-width:760px}
.grid{display:grid;gap:22px}
.grid--2,.grid--3,.grid--split{grid-template-columns:minmax(0,1fr)}

/* ---------- 章节标题 ---------- */
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 14px;
  padding-bottom:12px;margin-bottom:24px;
  border-bottom:var(--hair);
}
.section-head__index{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--c-sand)}
.section-head__title{font-size:clamp(22px,3.6vw,32px);font-weight:900;color:var(--c-cream)}
.section-head__note{margin-left:auto;font-size:12.5px;letter-spacing:.06em;color:rgba(242,232,213,.58)}

.display-ghost{
  font-size:clamp(56px,13vw,120px);
  font-weight:100;line-height:.92;letter-spacing:.02em;
  color:rgba(242,232,213,.075);
  user-select:none;
}

/* ---------- 卡片与标签 ---------- */
.card{
  position:relative;
  padding:22px 20px;
  border:var(--hair);border-radius:var(--radius);
  background:var(--card-bg);
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(217,179,106,.4)}
.card__label{font-size:12px;letter-spacing:.16em;color:var(--c-sand)}
.card__title{margin-top:8px;font-size:19px;font-weight:800;color:var(--c-cream)}
.card__text{margin-top:8px;font-size:15px;line-height:1.8;color:rgba(242,232,213,.76)}
.card--flat{background:rgba(7,26,21,.5)}
.card--accent{border-color:rgba(240,134,58,.42);background:linear-gradient(180deg,rgba(240,134,58,.1),rgba(7,26,21,.6))}

.tag{
  display:inline-block;padding:3px 10px;
  border:var(--hair);border-radius:999px;
  font-size:11.5px;letter-spacing:.1em;color:rgba(242,232,213,.75);
}
.tag--live{border-color:rgba(240,134,58,.55);color:var(--c-orange)}
.tag--warn{border-color:rgba(228,87,46,.55);color:var(--c-alert)}

/* ---------- 数字 ---------- */
.num{
  font-family:var(--font-mono);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:4px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,rgba(217,179,106,.6),rgba(110,139,132,.22));
}
.timeline__node{position:relative;padding:0 0 26px}
.timeline__node:last-child{padding-bottom:0}
.timeline__node::before{
  content:"";position:absolute;left:-26px;top:9px;
  width:9px;height:9px;border-radius:50%;
  background:var(--c-sand);border:1px solid rgba(7,26,21,.9);
  transition:background .35s var(--ease),box-shadow .35s var(--ease);
}
.timeline__node[data-revealed]::before,
.timeline__node.is-active::before{background:var(--c-orange);box-shadow:0 0 0 4px rgba(240,134,58,.18)}
.timeline__time{font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;color:var(--c-sand)}

/* ---------- 媒体容器（页面阶段放置图片） ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border:var(--hair);border-radius:var(--radius);
  background-image:
    radial-gradient(120% 90% at 18% 0%,rgba(74,46,107,.55),transparent 62%),
    radial-gradient(90% 80% at 92% 100%,rgba(240,134,58,.18),transparent 66%),
    linear-gradient(180deg,#071A15,#0B2A22);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(217,179,106,.07) 1px,transparent 1px);
  background-size:100% 46px;
}
.media-frame img,.media-frame video{width:100%;height:100%;object-fit:cover}
.media-frame__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:10px 14px;
  font-size:12px;letter-spacing:.08em;color:rgba(242,232,213,.78);
  background:linear-gradient(0deg,rgba(7,26,21,.88),transparent);
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:9/16}
.media-frame--portrait{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}

/* ---------- 分段切换器 ---------- */
.segmented{display:inline-flex;flex-wrap:wrap;border:var(--hair);border-radius:999px;overflow:hidden;background:rgba(7,26,21,.6)}
.segmented__item{
  padding:8px 16px;font-size:13px;letter-spacing:.06em;
  color:rgba(242,232,213,.7);
  border-right:var(--hair);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.segmented__item:last-child{border-right:0}
.segmented__item:hover{color:var(--c-cream)}
.segmented__item[aria-selected="true"]{
  background:var(--c-orange-soft);color:var(--c-cream);
  box-shadow:inset 0 -2px 0 var(--c-orange);
}
.segmented__panels{margin-top:22px}
.segmented__panels>[hidden]{display:none}

/* ---------- 手风琴 ---------- */
.accordion{border-top:var(--hair)}
.accordion__item{border-bottom:var(--hair)}
.accordion__trigger{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 0;text-align:left;
  font-size:17px;font-weight:700;line-height:1.6;color:var(--c-cream);
  transition:color .2s var(--ease);
}
.accordion__trigger:hover{color:var(--c-teal)}
.accordion__trigger::after{
  content:"+";flex:0 0 auto;
  font-family:var(--font-mono);font-size:18px;line-height:1.5;
  color:var(--c-sand);
  transition:color .2s var(--ease),transform .24s var(--ease);
}
.accordion__trigger[aria-expanded="true"]::after{content:"–";color:var(--c-orange)}
.accordion__panel{padding:0 0 20px;font-size:15.5px;line-height:1.85;color:rgba(242,232,213,.78)}
.accordion__panel[hidden]{display:none}

/* ---------- 滚动显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal][data-revealed]{opacity:1;transform:none}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:95;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 15px;border:var(--hair-sand);border-radius:999px;
  background:rgba(7,26,21,.92);color:var(--c-sand);
  font-size:12.5px;letter-spacing:.14em;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),color .2s var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--c-orange);border-color:rgba(240,134,58,.6)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  border-top:var(--hair);
  background:
    radial-gradient(700px 380px at 88% 0%,rgba(74,46,107,.35),transparent 62%),
    linear-gradient(180deg,rgba(7,26,21,.94),#06130F);
}
.footer__inner{
  max-width:var(--maxw);margin:0 auto;
  padding:56px var(--gutter) 34px;
  display:grid;gap:34px;
  grid-template-columns:minmax(0,1fr);
}
.footer__wordmark{
  display:inline-block;
  font-size:22px;font-weight:900;letter-spacing:.16em;color:var(--c-cream);
}
.footer__wordmark:hover{color:#fff}
.footer__tagline{margin-top:12px;font-size:14.5px;line-height:1.85;color:rgba(242,232,213,.72)}
.footer__ver{margin-top:14px;color:rgba(110,139,132,.95)}
.footer__ver .num{color:var(--c-sand)}

.footer__cols{display:grid;gap:26px;grid-template-columns:repeat(2,minmax(0,1fr))}
.footer__col-title{
  padding-bottom:10px;margin-bottom:14px;
  border-bottom:var(--hair);
  font-size:12px;font-weight:600;letter-spacing:.2em;
  color:var(--c-sand);
}
.footer__links{display:flex;flex-direction:column;gap:10px}
.footer__link{
  display:inline-block;
  font-size:14px;letter-spacing:.05em;
  color:rgba(242,232,213,.74);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer__link:hover{color:var(--c-teal);transform:translateX(3px)}

.contact-list{display:flex;flex-direction:column;gap:12px}
.contact-list__row{display:grid;gap:2px}
.contact-list__label{font-size:11.5px;letter-spacing:.18em;color:rgba(110,139,132,.95)}
.contact-list__value{font-size:14px;line-height:1.75;color:rgba(242,232,213,.86)}
.footer__note{margin-top:16px;font-size:12.5px;line-height:1.85;color:rgba(242,232,213,.6)}

.footer__legal{
  max-width:var(--maxw);margin:0 auto;
  padding:18px var(--gutter) 30px;
  border-top:var(--hair);
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  font-size:12.5px;letter-spacing:.05em;
  color:rgba(242,232,213,.6);
}
.footer__legal-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-left:auto}
.footer__legal-links .footer__link{font-size:12.5px}
.footer__copy{margin-left:auto;color:rgba(242,232,213,.5)}
.footer__copy .num{color:rgba(217,179,106,.8)}

/* ---------- 断点：平板 ---------- */
@media (min-width:640px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__inner{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr)}
  .footer__contact{grid-column:1 / -1}
}

/* ---------- 断点：桌面导航 ---------- */
@media (min-width:900px){
  html{scroll-padding-top:132px}
  body{font-size:17.5px}
  .masthead__inner{
    grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
    grid-template-areas:"meta brand utils";
    padding:24px var(--gutter) 18px;
    gap:16px 24px;
  }
  .masthead__brand{text-align:center}
  .brandmark__name{font-size:clamp(24px,2.9vw,36px)}
  .masthead__meta{display:block;grid-area:meta;font-size:12.5px}
  .utility-list{display:flex}
  .masthead__utils{justify-content:flex-end}
  .nav-toggle{display:none}
  .site-nav{display:block}
  .site-nav__list{flex-direction:row;flex-wrap:wrap;justify-content:center;padding:0 var(--gutter)}
  .site-nav__list>li{border-bottom:0}
  .site-nav__list a{
    padding:14px 18px 15px;
    border-left:0;border-bottom:2px solid transparent;
    font-size:15px;
  }
  .site-nav__list a:hover{padding-left:18px;border-left-color:transparent;border-bottom-color:rgba(217,179,106,.55)}
  .site-nav__list a[aria-current="page"]{
    border-bottom-color:var(--c-orange);
    border-left-color:transparent;
    background:linear-gradient(180deg,transparent,rgba(240,134,58,.14));
  }
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid--split{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
  .footer__inner{grid-template-columns:minmax(0,1.1fr) minmax(0,1.3fr) minmax(0,1.2fr);gap:30px}
  .footer__contact{grid-column:auto}
  .footer__cols{grid-template-columns:repeat(2,minmax(0,1fr))}

  /* 报头收窄 */
  .site-header[data-condensed] .masthead__inner{padding-top:10px;padding-bottom:9px}
  .site-header[data-condensed] .brandmark__name{font-size:clamp(18px,1.9vw,23px)}
  .site-header[data-condensed] .brandmark__sub{display:none}
  .site-header[data-condensed] .version-badge{margin-top:6px}
  .site-header[data-condensed] .masthead__meta--left,
  .site-header[data-condensed] .utility-list{display:none}
}

/* ---------- 断点：侧边品牌轨道 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .brand-rail{
    position:fixed;left:0;top:0;bottom:0;z-index:120;
    width:var(--rail-w);
    display:flex;flex-direction:column;align-items:center;gap:18px;
    padding:22px 0 24px;
    border-right:var(--hair);
    background:linear-gradient(180deg,#06150F,#071A15 55%,#0A2119);
  }
  .brand-rail__mark{
    display:flex;flex-direction:column;align-items:center;gap:14px;
    color:var(--c-cream);
  }
  .brand-rail__glyph{
    display:grid;place-items:center;
    width:34px;height:34px;
    border:var(--hair-sand);border-radius:2px;
    background:rgba(217,179,106,.08);
    font-size:16px;font-weight:900;color:var(--c-sand);
    letter-spacing:0;
  }
  .brand-rail__mark:hover .brand-rail__glyph{border-color:var(--c-orange);color:var(--c-orange)}
  .brand-rail__text{
    writing-mode:vertical-rl;
    text-orientation:mixed;
    font-size:13px;font-weight:600;letter-spacing:.36em;
    color:rgba(242,232,213,.82);
    transition:color .2s var(--ease);
  }
  .brand-rail__mark:hover .brand-rail__text{color:#fff}
  .brand-rail__rule{flex:1;width:1px;background:linear-gradient(180deg,rgba(217,179,106,.5),rgba(110,139,132,.12))}
  .brand-rail__ver{
    writing-mode:vertical-rl;
    font-size:11px;letter-spacing:.26em;
    color:rgba(217,179,106,.75);
  }
  .to-top{right:28px;bottom:30px}
}

/* ---------- 断点：宽屏 ---------- */
@media (min-width:1280px){
  :root{--maxw:1220px}
  .footer__inner{padding-top:64px;padding-bottom:40px}
}

/* ---------- 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;
  }
  [data-reveal]{opacity:1;transform:none}
  .version-badge__dot{box-shadow:0 0 0 4px rgba(240,134,58,.16)}
}

/* ---------- 打印 ---------- */
@media print{
  .brand-rail,.site-nav,.to-top,.nav-toggle{display:none!important}
  body{background:#fff;color:#111;padding-left:0}
  .site-header,.site-footer{position:static;background:#fff;border-color:#ccc}
}