/* ==========================================================================
   澳门十大娱乐 · 共享站点样式 /assets/site.css
   底色：曜石黑 + 深墨绿 ｜ 路径与收藏：鎏金 ｜ 可点处：电光青 ｜ 更新：珊瑚橙
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --obsidian:#0A0F0D;
  --ink:#0F2A22;
  --ink-lift:#154035;
  --ink-deep:#070D0B;
  --gold:#D4A64A;
  --gold-soft:#F2D28A;
  --coral:#FF6B4A;
  --cyan:#35E0D0;
  --paper:#F3EADA;
  --mist:#9AA6A1;
  --slate:#2A3532;
  --text:#EDE7DA;
  --line:rgba(42,53,50,.92);
  --line-gold:rgba(212,166,74,.32);
  --rail-w:88px;
  --topbar-h:60px;
  --maxw:1320px;
  --gutter:clamp(18px,4vw,48px);
  --cut:16px;
  --dur:.28s;
  --ease:cubic-bezier(.22,.68,.28,1);
  --font-sans:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--topbar-h);
  background:var(--obsidian);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.16;letter-spacing:-.02em;color:var(--paper)}
h1{font-size:clamp(36px,6.2vw,88px);letter-spacing:-.03em}
h2{font-size:clamp(26px,3.6vw,40px)}
h3{font-size:clamp(19px,2.2vw,28px)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:var(--cyan);color:var(--obsidian)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}

/* ---------- 3. 通用工具 ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.section{position:relative;padding-block:clamp(52px,8vw,110px)}
.section--ink{background:var(--ink)}
.section--paper{background:var(--paper);color:var(--ink)}
.section--paper h1,.section--paper h2,.section--paper h3,.section--paper .section-head__title{color:var(--ink)}
.section-head{display:grid;gap:10px;max-width:660px;margin-bottom:clamp(24px,3vw,42px)}
.section-head__title{font-size:clamp(24px,3.4vw,40px);font-weight:800}
.section-head__note{font-size:15px;line-height:1.8;color:var(--mist);max-width:38ch}
.section--paper .section-head__note{color:#3D534B}
.label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.mono{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}
.lede{font-size:clamp(17px,1.7vw,20px);line-height:1.8;color:var(--mist);max-width:38ch}
.rule{height:1px;border:0;margin:0;background:var(--line)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 4. 网格 ---------- */
.grid{display:grid;gap:clamp(16px,2.2vw,30px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--side{grid-template-columns:minmax(0,1fr)}
.col-rule{padding-inline-end:0;border-inline-end:0}
@media (min-width:900px){
  .grid--side{grid-template-columns:minmax(180px,250px) minmax(0,1fr);gap:clamp(26px,4vw,60px)}
  .col-rule{padding-inline-end:clamp(16px,2.4vw,30px);border-inline-end:1px solid var(--line-gold)}
}

/* ---------- 5. 框景 / 刻度 / 卡片 ---------- */
.frame{position:relative;border:1px solid var(--line-gold);padding:clamp(22px,4vw,56px)}
.frame::before,.frame::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--gold)}
.frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.frame::after{bottom:-1px;right:-1px;border-top:0;border-left:0}
.ticks{height:10px;background-image:repeating-linear-gradient(to right,rgba(42,53,50,1) 0 1px,transparent 1px 14px);opacity:.9}
.section--paper .ticks{background-image:repeating-linear-gradient(to right,rgba(15,42,34,.35) 0 1px,transparent 1px 14px)}
.cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)))}
.card{position:relative;background:var(--ink);border:1px solid var(--line);padding:clamp(18px,2.4vw,26px);transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.card:hover{border-color:rgba(212,166,74,.6)}
.card__title{font-size:18px;font-weight:800;color:var(--paper);margin-bottom:8px}
.card__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--mist)}
.card--paper{background:var(--paper);border-color:rgba(15,42,34,.18);color:var(--ink)}
.card--paper .card__title{color:var(--ink)}
.card--paper .card__meta{color:#3D534B}

/* ---------- 6. 按钮 / 标签 / 步骤 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:44px;padding:0 20px;font-size:14px;font-weight:700;letter-spacing:.05em;border:1px solid transparent;background:var(--ink-lift);color:var(--paper);transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.btn--gold{background:var(--gold);border-color:var(--gold);color:var(--obsidian)}
.btn--gold:hover{background:var(--gold-soft);border-color:var(--gold-soft)}
.btn--cyan{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn--cyan:hover{background:rgba(53,224,208,.14)}
.btn--ghost{background:transparent;border-color:var(--line-gold);color:var(--gold-soft)}
.btn--ghost:hover{border-color:var(--gold);background:rgba(212,166,74,.12)}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--mist);background:var(--ink);border:1px solid var(--line);border-radius:999px;transition:all var(--dur) var(--ease)}
.chip:hover{color:var(--gold-soft);border-color:var(--line-gold)}
.chip[aria-pressed="true"],.chip.is-active{color:var(--gold-soft);background:rgba(212,166,74,.12);border-color:var(--gold)}
.steps{display:grid;gap:0}
.steps__item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 16px;padding:16px 0;border-bottom:1px solid var(--line)}
.steps__num{grid-row:1 / span 2;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--gold);padding-top:4px}
.steps__title{font-size:16px;font-weight:700;color:var(--paper)}
.steps__text{font-size:14.5px;line-height:1.75;color:var(--mist);max-width:44ch}
.section--paper .steps__title{color:var(--ink)}
.section--paper .steps__text{color:#3D534B}
.section--paper .steps__item{border-color:rgba(15,42,34,.16)}

/* ---------- 7. 面包屑 ---------- */
.breadcrumbs{font-size:12px;letter-spacing:.06em;color:var(--mist);margin-bottom:clamp(16px,2vw,26px)}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs__link{color:var(--mist);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.breadcrumbs__link:hover{color:var(--cyan);border-color:var(--cyan)}
.breadcrumbs__sep{color:var(--slate)}
.breadcrumbs [aria-current="page"]{color:var(--gold)}

/* ---------- 8. 图片容器 ---------- */
.media{position:relative;overflow:hidden;aspect-ratio:16 / 9;background:var(--ink-lift);border:1px solid var(--line)}
.media--tall{aspect-ratio:4 / 5}
.media--square{aspect-ratio:1 / 1}
.media img,.media__img{width:100%;height:100%;object-fit:cover;filter:saturate(.94) contrast(1.06)}
.media::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(115deg,rgba(53,224,208,.16) 0 10%,transparent 10% 100%)}
.media__caption{margin-top:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--mist)}

/* ---------- 9. 页头：顶栏（移动端） ---------- */
.site-header{position:relative;z-index:80}
.skip-link{position:fixed;top:8px;left:8px;z-index:200;transform:translateY(-180%);padding:12px 18px;background:var(--cyan);color:var(--obsidian);font-size:14px;font-weight:700;transition:transform .2s var(--ease)}
.skip-link:focus-visible{transform:none}
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:95;
  height:var(--topbar-h);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-inline:var(--gutter);
  background:rgba(10,15,13,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.brand__mark{display:grid;place-items:center;width:34px;height:34px;flex:0 0 auto;border:1px solid var(--gold);background:rgba(212,166,74,.08);color:var(--gold);font-size:16px;font-weight:800;letter-spacing:0}
.brand__text{display:flex;flex-direction:column;gap:2px;line-height:1.25}
.brand__name{font-size:15px;font-weight:800;color:var(--paper);letter-spacing:.02em}
.brand__line{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--mist)}
.brand--rail{display:none}
.nav-toggle{display:inline-flex;align-items:center;gap:9px;min-height:44px;min-width:44px;padding:0 14px;border:1px solid var(--line-gold);color:var(--gold-soft);font-size:13px;font-weight:600;letter-spacing:.08em;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.nav-toggle:hover{border-color:var(--gold)}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);color:var(--cyan)}
.nav-toggle__glyph{width:14px;height:10px;background:linear-gradient(to bottom,currentColor 0 2px,transparent 2px 4px,currentColor 4px 6px,transparent 6px 8px,currentColor 8px 10px)}
.nav-toggle__text{white-space:nowrap}

/* ---------- 10. 页头：轨道导航（移动端为抽屉） ---------- */
.rail{
  position:fixed;top:0;right:0;bottom:0;z-index:100;
  width:min(88vw,360px);
  display:flex;flex-direction:column;gap:18px;
  padding:calc(var(--topbar-h) + 16px) var(--gutter) 30px;
  background:linear-gradient(165deg,var(--ink) 0%,var(--obsidian) 78%);
  border-left:1px solid var(--line-gold);
  overflow-y:auto;
  transform:translateX(101%);
  visibility:hidden;
  transition:transform var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.rail[data-open]{transform:translateX(0);visibility:visible}
body[data-nav-open]{overflow:hidden}
body[data-nav-open]::after{content:"";position:fixed;inset:0;z-index:90;background:rgba(4,8,7,.62);backdrop-filter:blur(3px)}
.rail__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rail__label{color:var(--gold);letter-spacing:.16em;text-transform:uppercase}
.rail__close{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line-gold);color:var(--gold-soft);font-size:15px;transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.rail__close:hover{border-color:var(--cyan);color:var(--cyan)}
.rail__meta{margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--mist)}

.site-nav__list{display:flex;flex-direction:column;counter-reset:navidx}
.site-nav__link{
  display:flex;align-items:center;gap:12px;
  min-height:48px;padding:12px 0;
  font-size:17px;font-weight:700;letter-spacing:.02em;
  color:var(--text);
  border-bottom:1px solid var(--line);
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.site-nav__link::before{
  counter-increment:navidx;
  content:"0" counter(navidx);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--gold);opacity:.72;
}
.site-nav__link:hover{color:var(--gold-soft);padding-left:6px}
.site-nav__link[aria-current="page"]{color:var(--gold-soft)}
.site-nav__link[aria-current="page"]::before{color:var(--coral);opacity:1}

.rail__actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.rail__act,.rail__cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  border:1px solid var(--line-gold);
  color:var(--gold-soft);
  background:rgba(212,166,74,.05);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.rail__act:hover{background:rgba(212,166,74,.16);border-color:var(--gold)}
.rail__cta{background:var(--gold);border-color:var(--gold);color:var(--obsidian)}
.rail__cta:hover{background:var(--gold-soft);border-color:var(--gold-soft)}

@media (min-width:1024px){
  body{padding-top:0;padding-left:var(--rail-w)}
  .topbar{display:none}
  .brand--bar{display:none}
  .skip-link{left:calc(var(--rail-w) + 10px)}
  .rail{
    inset:0 auto 0 0;
    width:var(--rail-w);
    transform:none;
    visibility:visible;
    border-left:0;
    border-right:1px solid var(--line-gold);
    padding:0;
    gap:0;
    overflow-x:hidden;
    background-image:
      repeating-linear-gradient(to bottom,rgba(212,166,74,.34) 0 1px,transparent 1px 24px),
      linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
    background-size:8px 24px,auto;
    background-repeat:repeat-y,no-repeat;
    background-position:right top,center;
  }
  .rail__head{display:none}
  .brand--rail{
    display:flex;flex-direction:column;align-items:center;gap:10px;
    width:100%;padding:22px 8px 20px;
    border-bottom:1px solid var(--line);
  }
  .brand--rail .brand__text{align-items:center;gap:4px}
  .brand--rail .brand__mark{width:40px;height:40px;font-size:18px}
  .brand--rail .brand__name{font-size:11px;letter-spacing:.06em;text-align:center}
  .brand--rail .brand__line{font-size:9px;letter-spacing:.14em;text-align:center}
  .rail__meta{
    writing-mode:vertical-rl;
    align-self:center;
    margin:20px 0 0;
    font-size:10px;letter-spacing:.2em;
    color:var(--mist);
  }
  .site-nav{width:100%;margin-top:auto}
  .site-nav__list{gap:2px}
  .site-nav__link{
    justify-content:center;
    min-height:44px;padding:10px 6px;
    font-size:13px;font-weight:600;letter-spacing:.08em;
    color:var(--mist);
    border-bottom:0;
    position:relative;
  }
  .site-nav__link::before{content:none}
  .site-nav__link:hover{padding-left:6px;background:rgba(212,166,74,.09);color:var(--gold-soft)}
  .site-nav__link[aria-current="page"]{background:rgba(212,166,74,.12);color:var(--gold-soft)}
  .site-nav__link[aria-current="page"]::after{
    content:"";position:absolute;left:0;top:50%;
    width:3px;height:20px;transform:translateY(-50%);
    background:var(--gold);
  }
  .rail__actions{width:100%;margin-top:auto;padding:14px 0 22px;align-items:center;gap:10px}
  .rail__act,.rail__cta{writing-mode:vertical-rl;min-height:44px;width:auto;padding:14px 7px}
}

/* ---------- 11. 收藏夹抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;pointer-events:none}
.drawer[data-open]{visibility:visible;pointer-events:auto}
.drawer__scrim{position:absolute;inset:0;width:100%;height:100%;background:rgba(4,8,7,.64);backdrop-filter:blur(3px);opacity:0;transition:opacity var(--dur) var(--ease)}
.drawer[data-open] .drawer__scrim{opacity:1}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(92vw,420px);
  display:flex;flex-direction:column;gap:18px;
  padding:26px var(--gutter) 30px;
  background:linear-gradient(200deg,var(--ink-lift) 0%,var(--obsidian) 72%);
  border-left:1px solid var(--line-gold);
  overflow-y:auto;
  transform:translateX(101%);
  transition:transform var(--dur) var(--ease);
}
.drawer[data-open] .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer__title{font-size:20px;font-weight:800;color:var(--paper)}
.drawer__close{display:grid;place-items:center;width:44px;height:44px;border:1px solid var(--line-gold);color:var(--gold-soft);transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.drawer__close:hover{border-color:var(--cyan);color:var(--cyan)}
.drawer__body{display:grid;gap:14px}
.drawer__hint{margin:0;font-size:14px;line-height:1.75;color:var(--mist);max-width:34ch}
.drawer__list{display:grid;gap:0}
.drawer__link{display:flex;align-items:center;gap:12px;min-height:48px;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;font-weight:700;color:var(--text);transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease)}
.drawer__link .mono{color:var(--gold)}
.drawer__link:hover{color:var(--cyan);padding-left:6px}
.drawer__foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:16px}

/* ---------- 12. 滚动进度 ---------- */
.scroll-progress{position:fixed;top:var(--topbar-h);left:0;right:0;height:2px;z-index:96;pointer-events:none;background:rgba(42,53,50,.55)}
.scroll-progress__bar{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--gold) 0%,var(--coral) 58%,var(--cyan) 100%)}
@media (min-width:1024px){.scroll-progress{top:0;left:var(--rail-w)}}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-deep) 100%);
  border-top:1px solid var(--line-gold);
  padding:clamp(40px,6vw,74px) 0 clamp(26px,4vw,42px);
  overflow:hidden;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold) 0 16%,var(--coral) 16% 24%,var(--cyan) 24% 30%,transparent 30%)}
.site-footer::after{content:"";position:absolute;right:-70px;bottom:-46px;width:320px;height:1px;transform:rotate(-24deg);background:linear-gradient(90deg,transparent,rgba(212,166,74,.7));pointer-events:none}
.footer__grid{display:grid;gap:clamp(28px,4vw,54px)}
.footer__brand{display:grid;gap:12px;align-content:start}
.brand--footer{margin-bottom:4px}
.brand--footer .brand__mark{width:38px;height:38px}
.footer__tagline{margin:0;font-family:var(--font-serif);font-size:17px;letter-spacing:.02em;color:var(--gold-soft);max-width:24ch}
.footer__stamp{margin:0;color:var(--mist);letter-spacing:.1em}
.footer__cols{display:grid;gap:clamp(20px,3vw,36px);grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.footer__col{display:grid;gap:10px;align-content:start}
.footer__col-title{display:flex;align-items:baseline;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--paper);text-transform:uppercase}
.footer__idx{color:var(--gold);opacity:.8}
.footer__list{display:grid;gap:2px}
.footer__link{display:inline-flex;align-items:center;min-height:44px;font-size:14.5px;color:var(--mist);border-bottom:1px solid transparent;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),padding-left var(--dur) var(--ease)}
.footer__link:hover{color:var(--cyan);border-color:var(--cyan);padding-left:4px}
.footer__base{
  margin-top:clamp(30px,4vw,50px);
  padding-top:22px;
  border-top:1px solid var(--line);
  display:grid;gap:14px;
}
.footer__service{margin:0;font-size:14px;color:var(--paper)}
.footer__note{margin:0;font-size:12.5px;line-height:1.75;color:var(--mist);max-width:62ch}
.footer__legal{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:12px;color:var(--mist)}
.footer__copy{margin:0}
.footer__icp{margin:0;padding:4px 10px;border:1px solid var(--line);color:var(--mist)}
@media (min-width:900px){
  .footer__grid{grid-template-columns:minmax(240px,320px) minmax(0,1fr)}
  .footer__cols{padding-left:clamp(20px,3vw,46px);border-left:1px solid var(--line-gold)}
  .footer__base{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"service legal" "note legal";align-items:start}
  .footer__service{grid-area:service}
  .footer__note{grid-area:note}
  .footer__legal{grid-area:legal;flex-direction:column;align-items:flex-end;justify-content:flex-start}
}

/* ---------- 14. 返回顶部 ---------- */
.to-top{
  position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:75;
  min-width:44px;min-height:44px;padding:0 16px;
  font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--gold-soft);
  background:rgba(10,15,13,.86);
  border:1px solid rgba(212,166,74,.5);
  backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan);color:var(--cyan)}

/* ---------- 15. 显现动效 ---------- */
.reveal{transition:opacity .5s var(--ease),transform .5s var(--ease)}
html.js .reveal{opacity:0;transform:translateY(16px)}
html.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 16. 减少动态偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html.js .reveal{opacity:1;transform:none}
  .rail,.drawer__panel,.drawer__scrim,.to-top{transition:none}
}

/* ---------- 17. 平板微调 ---------- */
@media (min-width:600px) and (max-width:1023px){
  .rail{width:min(70vw,400px)}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}