/* ============ 豪门娱乐会馆 · 共享 Site Kit (/assets/site.css) ============ */

/* ---- 设计令牌 ---- */
:root{
  --ink-900:#0A0B0D;
  --ink-800:#141317;
  --slate-700:#242128;
  --gold:#D8B46A;
  --gold-light:#F0D9A8;
  --paper:#F4E8D2;
  --copper:#A9683C;
  --crimson:#5B1E26;
  --mist:#B8AFA1;
  --dark-ink:#171015;
  --line:rgba(216,180,106,.20);
  --line-soft:rgba(216,180,106,.12);
  --line-strong:rgba(216,180,106,.44);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-narrow:"Barlow Condensed","Oswald","Arial Narrow",var(--font-sans);
  --shell-max:1280px;
  --gutter:clamp(1rem,4vw,2.5rem);
  --ease:cubic-bezier(.22,.68,.28,1);
  --dur:.26s;
  --cut:22px;
}

/* ---- reset ---- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.is-nav-open{overflow:hidden}
img,svg,picture,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
::selection{background:var(--gold);color:var(--dark-ink)}
:focus-visible{outline:2px solid var(--gold-light);outline-offset:3px;border-radius:3px}

/* ---- 中文排版 ---- */
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-serif);
  font-weight:800;
  line-height:1.24;
  letter-spacing:.01em;
  color:var(--paper);
  text-wrap:balance;
}
h1{font-size:clamp(2.6rem,6vw,5.4rem);letter-spacing:.02em;line-height:1.08}
h2{font-size:clamp(1.8rem,3vw,3rem)}
h3{font-size:1.25rem;font-weight:700}
h4{font-size:1.05rem;font-weight:700}
p{word-break:break-word}

/* ---- 布局工具 ---- */
.shell{width:100%;max-width:var(--shell-max);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(2.5rem,6vw,5rem)}
.section--tight{padding-block:clamp(1.75rem,4vw,3rem)}
.grid{display:grid;gap:clamp(1rem,2.4vw,2rem)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---- 按钮 ---- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  padding:.74em 1.4em;
  border:1px solid transparent;
  border-radius:999px;
  font-family:var(--font-sans);
  font-size:.88rem;
  font-weight:500;
  letter-spacing:.06em;
  line-height:1.3;
  text-decoration:none;
  cursor:pointer;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn--gold{
  background:var(--gold);
  color:var(--dark-ink);
  box-shadow:0 10px 26px -16px rgba(216,180,106,.95);
}
.btn--gold:hover{background:var(--gold-light);transform:translateY(-1px)}
.btn--gold:active{transform:translateY(0)}
.btn--ghost{
  background:rgba(36,33,40,.45);
  border-color:var(--line-strong);
  color:var(--paper);
}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-light);background:rgba(216,180,106,.10)}

/* ---- 跳转链接 ---- */
.skip-link{
  position:fixed;
  top:.5rem;
  left:50%;
  z-index:200;
  transform:translate(-50%,-180%);
  padding:.65rem 1.25rem;
  background:var(--gold);
  color:var(--dark-ink);
  border-radius:999px;
  font-size:.86rem;
  letter-spacing:.08em;
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus-visible{transform:translate(-50%,0);outline-offset:4px}

/* ============ 页头 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#0A0B0D 0%,#0A0B0D 66%,rgba(10,11,13,.96) 100%);
  border-bottom:1px solid var(--line-soft);
}
.header-rail,
.header-shell,
.footer-shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.header-rail{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding-block:.55rem .25rem;
  font-family:var(--font-narrow);
  font-size:.72rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mist);
  border-bottom:1px solid rgba(216,180,106,.08);
}
.header-rail__line{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.header-rail__meta{display:inline-flex;align-items:center;gap:.55rem;margin:0;white-space:nowrap}
.header-rail__dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 3px rgba(216,180,106,.18);
  animation:rail-pulse 3.2s var(--ease) infinite;
}
@keyframes rail-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(216,180,106,.16)}
  50%{box-shadow:0 0 0 6px rgba(216,180,106,.04)}
}
.header-shell{
  display:flex;
  align-items:center;
  gap:clamp(.75rem,2vw,1.5rem);
  padding-block:.7rem .95rem;
}

/* 品牌 */
.brand{display:inline-flex;align-items:center;gap:.7rem;flex:0 0 auto}
.brand__seal{
  display:grid;
  place-items:center;
  width:44px;height:44px;
  flex:0 0 auto;
  font-family:var(--font-serif);
  font-size:1.18rem;
  font-weight:900;
  line-height:1;
  color:var(--dark-ink);
  background:linear-gradient(150deg,var(--gold-light) 0%,var(--gold) 52%,var(--copper) 100%);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 13px),calc(100% - 13px) 100%,0 100%);
  box-shadow:0 8px 20px -14px rgba(216,180,106,.9);
}
.brand__text{display:flex;flex-direction:column;gap:.15rem;line-height:1.2}
.brand__name{font-family:var(--font-serif);font-size:1.06rem;font-weight:800;letter-spacing:.16em;color:var(--paper)}
.brand__tag{font-family:var(--font-narrow);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(216,180,106,.72)}

/* 移动目录按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:.5rem;
  margin-left:auto;
  padding:.55rem .95rem;
  background:rgba(36,33,40,.8);
  border:1px solid var(--line-strong);
  border-radius:999px;
  font-family:var(--font-narrow);
  font-size:.78rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--paper);
  cursor:pointer;
  transition:border-color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);background:rgba(216,180,106,.12)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars span{display:block;height:1.5px;background:var(--gold);transition:transform var(--dur) var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child{transform:translateY(2.75px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child{transform:translateY(-2.75px) rotate(-45deg)}

/* 悬浮胶囊导航 */
.primary-nav{
  display:flex;
  align-items:center;
  margin-inline:auto;
  padding:.32rem;
  background:rgba(36,33,40,.72);
  border:1px solid var(--line);
  border-radius:999px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.primary-nav__list{display:flex;align-items:center;gap:.12rem}
.primary-nav__link{
  display:inline-flex;
  align-items:baseline;
  gap:.45rem;
  padding:.55rem .95rem;
  border-radius:999px;
  font-size:.92rem;
  color:var(--mist);
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.primary-nav__num{font-family:var(--font-narrow);font-size:.66rem;letter-spacing:.14em;color:rgba(216,180,106,.5)}
.primary-nav__link:hover{color:var(--gold-light);background:rgba(216,180,106,.10)}
.primary-nav__link[aria-current="page"]{
  color:var(--gold-light);
  background:rgba(216,180,106,.14);
  box-shadow:inset 0 0 0 1px rgba(216,180,106,.42);
}
.primary-nav__link[aria-current="page"] .primary-nav__num{color:var(--gold)}
.primary-nav__foot{display:none}

/* 行动区 */
.header-actions{display:flex;align-items:center;gap:.55rem;flex:0 0 auto;margin-left:auto}

/* 遮罩与轨迹 */
.nav-scrim{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(6,6,8,.68);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);
}
.nav-scrim[data-open="true"]{opacity:1;visibility:visible}
.scroll-trail{height:2px;background:rgba(216,180,106,.10);overflow:hidden}
.scroll-trail__bar{
  display:block;
  width:100%;height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--copper),var(--gold) 55%,var(--gold-light));
  transition:transform .12s linear;
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  overflow:hidden;
  padding-block:clamp(2.75rem,6vw,4.5rem) clamp(1.5rem,3vw,2rem);
  background:
    radial-gradient(88% 58% at 50% 0%,rgba(91,30,38,.34),transparent 72%),
    linear-gradient(180deg,#0A0B0D 0%,#141317 68%,#0A0B0D 100%);
  border-top:1px solid var(--line);
}
.footer-doorway{
  position:absolute;
  top:0;left:50%;
  width:min(680px,82%);
  height:210px;
  transform:translateX(-50%);
  pointer-events:none;
  border:1px solid rgba(216,180,106,.22);
  border-top:0;
  border-radius:0 0 320px 320px;
  opacity:.7;
}
.footer-doorway::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:1px;height:100%;
  transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(216,180,106,.42),transparent);
}
.footer-shell{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.95fr);
  gap:clamp(2rem,5vw,4.5rem);
}
.footer-intro{display:grid;align-content:start;gap:.85rem;justify-items:start}
.footer-intro__brand{
  margin:0;
  font-family:var(--font-serif);
  font-size:clamp(1.6rem,2.6vw,2.3rem);
  font-weight:900;
  letter-spacing:.14em;
  line-height:1.2;
  color:var(--gold-light);
}
.footer-intro__text{margin:0;max-width:38ch;font-size:.95rem;color:var(--mist)}
.footer-intro__note{
  margin:0;
  font-family:var(--font-narrow);
  font-size:.74rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:rgba(216,180,106,.78);
}
.footer-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(1.25rem,3vw,2.5rem)}
.footer-col__title{
  display:flex;
  align-items:baseline;
  gap:.55rem;
  margin:0 0 .9rem;
  padding-bottom:.6rem;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--font-narrow);
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
}
.footer-col__idx{font-size:.7rem;color:rgba(216,180,106,.55)}
.footer-col__list{display:grid;gap:.55rem}
.footer-col__list a{
  display:inline-block;
  font-size:.94rem;
  color:var(--mist);
  transition:color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.footer-col__list a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-contact{
  grid-column:1/-1;
  display:grid;
  grid-template-columns:minmax(120px,170px) minmax(0,1fr);
  gap:1rem 2rem;
  align-items:start;
  padding-top:clamp(1.4rem,3vw,2rem);
  border-top:1px solid var(--line-soft);
}
.footer-contact__title{
  margin:0;
  font-family:var(--font-narrow);
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
}
.footer-contact__list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem 2rem}
.footer-contact__item{display:grid;gap:.2rem;align-content:start}
.footer-contact__key{
  font-family:var(--font-narrow);
  font-size:.7rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(184,175,161,.85);
}
.footer-contact__value{font-size:.94rem;color:var(--paper);word-break:break-word}
.footer-base{
  grid-column:1/-1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:.75rem 1.5rem;
  margin-top:clamp(1.25rem,2.5vw,2rem);
  padding-top:1.1rem;
  border-top:1px solid var(--line-soft);
  font-size:.8rem;
  color:rgba(184,175,161,.9);
}
.footer-base__copy,.footer-base__icp{margin:0}
.footer-base__icp{font-family:var(--font-narrow);letter-spacing:.12em}
.footer-legal{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem}
.footer-legal__link{
  font-size:.8rem;
  color:var(--mist);
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-legal__link:hover{color:var(--gold-light);border-color:var(--line-strong)}

/* ============ 通用组件 ============ */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.65rem;
  margin:0;
  font-family:var(--font-narrow);
  font-size:.76rem;
  font-weight:500;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{content:"";width:28px;height:1px;background:linear-gradient(90deg,var(--copper),var(--gold))}
.section-head{display:grid;gap:.7rem;margin-bottom:clamp(1.5rem,3vw,2.5rem)}
.section-title{margin:0}
.lede{margin:0;max-width:62ch;font-size:1.02rem;color:var(--mist)}

.crumbs{margin:0}
.crumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  font-family:var(--font-narrow);
  font-size:.76rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
}
.crumbs__list li{display:inline-flex;align-items:center;gap:.5rem}
.crumbs__list li+li::before{content:"/";color:rgba(216,180,106,.5)}
.crumbs__list a{transition:color var(--dur) var(--ease)}
.crumbs__list a:hover{color:var(--gold-light)}
.crumbs__list [aria-current="page"]{color:var(--gold)}

.prose{max-width:70ch;color:var(--paper);font-size:1rem;line-height:1.85}
.prose>*+*{margin-top:1em}
.prose h2{margin-top:1.8em;font-size:clamp(1.35rem,2.2vw,1.8rem)}
.prose h3{margin-top:1.5em}
.prose ul,.prose ol{padding-left:1.25em;list-style:disc}
.prose ol{list-style:decimal}
.prose li+li{margin-top:.35em}
.prose a{color:var(--gold);border-bottom:1px solid var(--line-strong)}
.prose a:hover{color:var(--gold-light)}
.prose strong{color:var(--gold-light);font-weight:600}

.panel{
  position:relative;
  padding:clamp(1.25rem,2.6vw,2rem);
  background:linear-gradient(165deg,rgba(36,33,40,.92),rgba(20,19,23,.96));
  border:1px solid var(--line);
}
.panel--cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)))}
.panel--paper{background:var(--paper);border-color:rgba(23,16,21,.16);color:var(--dark-ink)}
.panel--paper h2,.panel--paper h3,.panel--paper h4{color:var(--dark-ink)}
.panel--crimson{
  background:linear-gradient(150deg,rgba(58,18,26,.96),rgba(91,30,38,.92));
  border-color:rgba(216,180,106,.32);
  color:var(--paper);
}

.media{
  position:relative;
  display:block;
  overflow:hidden;
  background:#100F12;
  border:1px solid var(--line);
}
.media__frame{position:relative;display:block;aspect-ratio:16/10;overflow:hidden}
.media__frame>img,.media__frame>picture>img{
  width:100%;height:100%;
  object-fit:cover;
  filter:saturate(.92) contrast(1.04);
}
.media--wide .media__frame{aspect-ratio:21/9}
.media--tall .media__frame{aspect-ratio:3/4}
.media--arch .media__frame{border-radius:240px 240px 0 0}
.media__veil{
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(160deg,rgba(91,30,38,.30),rgba(10,11,13,.12) 45%,rgba(10,11,13,.66));
}
.media__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  margin:0;
  padding:1.1rem 1.2rem .9rem;
  font-family:var(--font-narrow);
  font-size:.76rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold-light);
  background:linear-gradient(0deg,rgba(10,11,13,.94) 18%,rgba(10,11,13,0));
}

/* 标签页 */
.tabs{display:block}
.tabs__list{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  width:fit-content;
  max-width:100%;
  margin:0 0 clamp(1.1rem,2.4vw,1.75rem);
  padding:.32rem;
  background:rgba(36,33,40,.62);
  border:1px solid var(--line);
  border-radius:999px;
}
.tabs__tab{
  appearance:none;
  padding:.58rem 1.1rem;
  background:transparent;
  border:0;
  border-radius:999px;
  font-family:var(--font-sans);
  font-size:.9rem;
  font-weight:500;
  letter-spacing:.04em;
  color:var(--mist);
  cursor:pointer;
  transition:color var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.tabs__tab:hover{color:var(--gold-light);background:rgba(216,180,106,.10)}
.tabs__tab[aria-selected="true"]{background:var(--gold);color:var(--dark-ink)}
.tabs__panel{margin:0}
.tabs__panel[hidden]{display:none}
.tabs__panel:focus-visible{outline-offset:6px}

/* 折叠面板 */
.fold{
  border:1px solid var(--line);
  background:rgba(20,19,23,.86);
}
.fold+.fold{margin-top:.7rem}
.fold__head{
  display:flex;
  align-items:center;
  gap:.85rem;
  padding:1rem 1.2rem;
  cursor:pointer;
  list-style:none;
  color:var(--paper);
}
.fold__head::-webkit-details-marker{display:none}
.fold__head:hover{background:rgba(216,180,106,.08)}
.fold__idx{
  font-family:var(--font-narrow);
  font-size:.76rem;
  letter-spacing:.16em;
  color:var(--gold);
}
.fold__title{
  font-family:var(--font-serif);
  font-size:1.02rem;
  font-weight:700;
  letter-spacing:.02em;
}
.fold__mark{
  margin-left:auto;
  width:14px;height:14px;
  flex:0 0 auto;
  position:relative;
  transition:transform var(--dur) var(--ease);
}
.fold__mark::before,.fold__mark::after{
  content:"";
  position:absolute;
  background:var(--gold);
}
.fold__mark::before{top:50%;left:0;width:100%;height:1px;transform:translateY(-50%)}
.fold__mark::after{left:50%;top:0;height:100%;width:1px;transform:translateX(-50%)}
.fold[open] .fold__mark{transform:rotate(45deg)}
.fold__body{padding:0 1.2rem 1.2rem;color:var(--mist);font-size:.96rem}
.fold__body>*+*{margin-top:.6em}

/* ---- 滚动显现 ---- */
[data-reveal]{transition:opacity .5s var(--ease),transform .5s var(--ease)}
.has-js [data-reveal]{opacity:0;transform:translateY(20px)}
.has-js [data-reveal].is-revealed{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (min-width:1025px) and (max-width:1240px){
  .primary-nav__link{padding:.5rem .72rem;font-size:.86rem}
  .primary-nav__num{display:none}
}

@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .header-actions{display:none}
  .header-shell{position:relative;z-index:95}
  .primary-nav{
    position:fixed;
    top:0;right:0;bottom:0;left:auto;
    z-index:90;
    width:min(360px,88vw);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:1.5rem;
    margin:0;
    padding:6.5rem 1.4rem 2rem;
    border:0;
    border-left:1px solid rgba(216,180,106,.28);
    border-radius:0;
    background:linear-gradient(170deg,#1A1519 0%,#0C0C0F 62%);
    box-shadow:-30px 0 60px -40px rgba(0,0,0,.9);
    transform:translateX(102%);
    transition:transform .32s var(--ease);
    overflow-y:auto;
    backdrop-filter:none;
    -webkit-backdrop-filter:none;
  }
  .primary-nav[data-open="true"]{transform:translateX(0)}
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .primary-nav__link{
    justify-content:flex-start;
    gap:.8rem;
    padding:.95rem .5rem;
    border-radius:0;
    border-bottom:1px solid var(--line-soft);
    font-size:1.06rem;
    font-family:var(--font-serif);
    color:var(--paper);
  }
  .primary-nav__link:hover{background:transparent;color:var(--gold-light)}
  .primary-nav__link[aria-current="page"]{
    background:rgba(216,180,106,.08);
    box-shadow:none;
    border-left:2px solid var(--gold);
    padding-left:1rem;
  }
  .primary-nav__foot{display:block;margin-top:auto;padding-top:1rem}
  .primary-nav__foot .btn{width:100%}
  .footer-shell{grid-template-columns:1fr}
  .footer-map{grid-template-columns:repeat(3,minmax(0,1fr))}
}

@media (max-width:900px){
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:span 6}
  .footer-map{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-contact{grid-template-columns:1fr}
  .footer-contact__list{grid-template-columns:1fr}
  .footer-base{flex-direction:column;align-items:flex-start}
}

@media (max-width:600px){
  .header-rail{font-size:.66rem;letter-spacing:.12em}
  .header-rail__line{max-width:46%}
  .brand__tag{display:none}
  .brand__seal{width:38px;height:38px;font-size:1.02rem}
  .brand__name{font-size:.96rem;letter-spacing:.1em}
  .grid--12{grid-template-columns:1fr}
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:1/-1}
  .footer-map{grid-template-columns:1fr}
  .footer-doorway{height:150px;border-radius:0 0 200px 200px}
  .tabs__list{width:100%;border-radius:18px}
  .tabs__tab{flex:1 1 auto;text-align:center}
  .media--arch .media__frame{border-radius:160px 160px 0 0}
}

/* ============ 动效偏好 ============ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  html{scroll-behavior:auto}
  .has-js [data-reveal]{opacity:1;transform:none}
  .footer-col__list a:hover,.btn--gold:hover{transform:none}
}