/* ============================================================
   美高梅指南 · /assets/site.css
   共享外壳 + 基础组件（页面专属布局另写在页面 CSS）
   01 重置  02 变量  03 排版  04 跳转与焦点  05 头部
   06 导航  07 按钮  08 页脚  09 通用版式与组件  10 图片容器
   11 动效与可访问性
   ============================================================ */

/* ---------- 01 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
address{font-style:normal}
[hidden]{display:none !important}

/* ---------- 02 变量 ---------- */
:root{
  --ink:#0B0B0D;
  --ink-2:#121116;
  --wine:#5A1026;
  --wine-deep:#320812;
  --gold:#D8B56A;
  --gold-dim:#9B7A3F;
  --ivory:#F3EBDD;
  --celadon:#6FAF9B;
  --smoke:#8A8580;
  --glass:rgba(243,235,221,0.12);
  --glass-soft:rgba(243,235,221,0.05);
  --line-gold:rgba(216,181,106,0.28);
  --line-soft:rgba(243,235,221,0.14);
  --text-soft:rgba(243,235,221,0.74);
  --text-mute:rgba(243,235,221,0.55);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --container:1280px;
  --gutter:clamp(20px,4vw,40px);
  --header-h:88px;
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 03 排版 ---------- */
body{
  background:var(--ink);
  color:var(--ivory);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
p{max-width:72ch}
::selection{background:var(--wine);color:var(--ivory)}
.mgm-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 04 跳转与焦点 ---------- */
.mgm-skip{
  position:fixed;left:16px;top:0;z-index:1200;
  transform:translateY(-140%);
  padding:12px 20px;
  background:var(--gold);color:#2B0A12;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  border-radius:0 0 var(--radius) var(--radius);
  transition:transform .22s var(--ease);
}
.mgm-skip:focus,.mgm-skip:focus-visible{transform:translateY(0);outline:none}
#main-content{scroll-margin-top:calc(var(--header-h) + 16px)}
#main-content:focus{outline:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:1px}

/* ---------- 05 头部 ---------- */
.mgm-header{
  position:fixed;inset:0 0 auto 0;z-index:300;
  color:var(--ivory);
  background:linear-gradient(180deg,rgba(11,11,13,.78),rgba(11,11,13,0));
  border-bottom:1px solid transparent;
  transition:background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mgm-header[data-scrolled],
.mgm-header[data-nav-open]{
  background:var(--ink);
  border-bottom-color:var(--line-gold);
  box-shadow:0 22px 46px -38px rgba(0,0,0,.95);
}
.mgm-header__progress{
  position:absolute;left:0;right:0;top:0;height:2px;
  background:rgba(243,235,221,.08);overflow:hidden;
}
.mgm-header__progress span{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--wine),var(--gold) 70%,#EBD49A);
}
.mgm-header__inner{
  max-width:var(--container);margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.mgm-brand{display:inline-flex;align-items:center;gap:12px;padding:6px 0;flex:0 0 auto}
.mgm-brand__mark{
  width:38px;height:38px;display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;color:var(--gold);
  border:1px solid rgba(216,181,106,.55);border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(90,16,38,.65),rgba(11,11,13,.25));
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.mgm-brand:hover .mgm-brand__mark{border-color:var(--gold);color:var(--ivory)}
.mgm-brand__text{display:flex;flex-direction:column;gap:3px;line-height:1.1}
.mgm-brand__name{font-family:var(--serif);font-size:19px;letter-spacing:.16em;color:var(--ivory)}
.mgm-brand__sub{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--smoke)}

/* ---------- 06 导航 ---------- */
.mgm-nav{margin-left:auto;display:flex;align-items:center;gap:clamp(16px,2vw,32px)}
.mgm-nav__list{display:flex;align-items:center;gap:clamp(10px,1.6vw,24px)}
.mgm-nav__item{display:block}
.mgm-nav__link{
  position:relative;display:flex;flex-direction:column;gap:1px;
  padding:10px 2px 12px;
  font-size:14px;letter-spacing:.08em;color:rgba(243,235,221,.78);
  transition:color .18s var(--ease);
}
.mgm-nav__num{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:var(--gold-dim);transition:color .18s var(--ease);
}
.mgm-nav__label{display:block;white-space:nowrap}
.mgm-nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;
  background:var(--gold);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .22s var(--ease);
}
.mgm-nav__link:hover{color:var(--ivory)}
.mgm-nav__link:hover .mgm-nav__num{color:var(--gold)}
.mgm-nav__link:hover::after{transform:scaleX(1)}
.mgm-nav__link[aria-current="page"]{color:var(--ivory)}
.mgm-nav__link[aria-current="page"] .mgm-nav__num{color:var(--gold)}
.mgm-nav__link[aria-current="page"]::after{
  transform:scaleX(1);
  background:linear-gradient(90deg,var(--gold),rgba(216,181,106,0));
}
.mgm-nav__foot{display:flex;align-items:center;gap:8px}
.mgm-nav__meta{display:none;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--text-mute)}
.mgm-navbtn{
  display:none;align-items:center;gap:10px;
  padding:10px 14px;min-height:40px;
  border:1px solid rgba(243,235,221,.26);border-radius:var(--radius);
  background:rgba(243,235,221,.06);color:var(--ivory);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.mgm-navbtn:hover{border-color:var(--gold);background:rgba(243,235,221,.1)}
.mgm-navbtn__bars{position:relative;display:block;width:20px;height:14px;flex:0 0 auto}
.mgm-navbtn__bars span{
  position:absolute;left:0;width:100%;height:1px;background:var(--gold);
  transition:transform .24s var(--ease),opacity .18s var(--ease),top .24s var(--ease);
}
.mgm-navbtn__bars span:nth-child(1){top:0}
.mgm-navbtn__bars span:nth-child(2){top:6px}
.mgm-navbtn__bars span:nth-child(3){top:12px}
.mgm-navbtn[aria-expanded="true"] .mgm-navbtn__bars span:nth-child(1){top:6px;transform:rotate(45deg)}
.mgm-navbtn[aria-expanded="true"] .mgm-navbtn__bars span:nth-child(2){opacity:0}
.mgm-navbtn[aria-expanded="true"] .mgm-navbtn__bars span:nth-child(3){top:6px;transform:rotate(-45deg)}
.mgm-navbtn__label{font-family:var(--mono);font-size:11px;letter-spacing:.18em}

/* ---------- 07 按钮 ---------- */
.mgm-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;
  font-size:13px;letter-spacing:.1em;line-height:1;
  border:1px solid transparent;border-radius:var(--radius);
  text-align:center;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.mgm-btn--ghost{color:var(--ivory);border-color:rgba(243,235,221,.28);background:rgba(243,235,221,.04)}
.mgm-btn--ghost:hover{border-color:var(--gold);background:rgba(243,235,221,.1);color:#fff}
.mgm-btn--gold{
  background:linear-gradient(120deg,var(--gold),#C9A65B);
  border-color:rgba(216,181,106,.85);color:#2B0A12;font-weight:600;
}
.mgm-btn--gold:hover{background:linear-gradient(120deg,#EAD09B,var(--gold));transform:translateY(-1px)}
.mgm-btn--wine{background:var(--wine);border-color:rgba(216,181,106,.45);color:var(--ivory)}
.mgm-btn--wine:hover{background:#6E1530;border-color:var(--gold)}
.mgm-btn--sm{padding:10px 16px;font-size:12px;letter-spacing:.08em}

/* ---------- 08 页脚 ---------- */
.mgm-footer{
  position:relative;margin-top:clamp(48px,7vw,96px);
  color:var(--ivory);
  border-top:1px solid var(--line-gold);
  background:linear-gradient(180deg,#0B0B0D 0%,#170408 52%,#320812 100%);
  overflow:hidden;
}
.mgm-footer__curtain{
  position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(243,235,221,.045) 0 1px,transparent 1px 96px),
    radial-gradient(90% 62% at 50% -12%,rgba(216,181,106,.16),transparent 62%);
}
.mgm-footer__inner{
  position:relative;
  max-width:var(--container);margin:0 auto;
  padding:clamp(48px,6vw,84px) var(--gutter) clamp(36px,4vw,56px);
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.55fr) minmax(0,1fr);
  gap:clamp(28px,4vw,56px);
}
.mgm-footer__lead{min-width:0}
.mgm-footer__kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;
  color:var(--gold-dim);text-transform:uppercase;
}
.mgm-footer__line{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(22px,2.4vw,30px);line-height:1.4;letter-spacing:.05em;
  margin:14px 0 22px;max-width:22ch;
}
.mgm-footer__totop{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--text-mute);
  border-bottom:1px solid rgba(216,181,106,.35);padding-bottom:3px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.mgm-footer__totop:hover{color:var(--gold);border-color:var(--gold)}
.mgm-footer__cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px 20px;min-width:0;
}
.mgm-footer__col{min-width:0}
.mgm-footer__coltitle{
  font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.2em;
  color:var(--gold);text-transform:uppercase;
  padding-bottom:10px;margin-bottom:14px;
  border-bottom:1px solid rgba(216,181,106,.28);
}
.mgm-footer__list{display:flex;flex-direction:column;gap:10px}
.mgm-footer__link{
  position:relative;display:inline-block;
  font-size:14px;color:rgba(243,235,221,.78);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.mgm-footer__link::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:1px;
  background:var(--gold);transition:width .2s var(--ease);
}
.mgm-footer__link:hover{color:var(--ivory);padding-left:16px}
.mgm-footer__link:hover::before{width:10px}
.mgm-footer__plaque{align-self:start;min-width:0}
.mgm-footer__plaque .mgm-btn{width:100%;margin-top:14px}
.mgm-plaque{
  position:relative;padding:18px 20px;
  border:1px solid rgba(216,181,106,.32);border-radius:var(--radius);
  background:rgba(243,235,221,.05);
}
.mgm-plaque::before,.mgm-plaque::after{
  content:"";position:absolute;width:14px;height:14px;pointer-events:none;
}
.mgm-plaque::before{left:-1px;top:-1px;border-top:2px solid var(--gold);border-left:2px solid var(--gold)}
.mgm-plaque::after{right:-1px;bottom:-1px;border-bottom:2px solid var(--gold);border-right:2px solid var(--gold)}
.mgm-plaque--glass{background:rgba(243,235,221,.08);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}
.mgm-plaque__label{
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;
  color:var(--gold);text-transform:uppercase;margin-bottom:10px;
}
.mgm-plaque__row{
  display:flex;gap:12px;padding:8px 0;
  font-size:13px;line-height:1.65;
  border-bottom:1px dashed rgba(243,235,221,.12);
}
.mgm-plaque__row:last-of-type{border-bottom:0}
.mgm-plaque__key{
  flex:0 0 44px;padding-top:2px;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--smoke);
}
.mgm-plaque__val{color:rgba(243,235,221,.9);min-width:0;word-break:break-word}
.mgm-plaque__val--address{font-style:normal}
.mgm-footer__legal{position:relative;border-top:1px solid rgba(243,235,221,.12);background:rgba(11,11,13,.6)}
.mgm-footer__legalinner{
  max-width:var(--container);margin:0 auto;
  padding:18px var(--gutter);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 28px;
}
.mgm-footer__copy{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--text-mute);
}
.mgm-footer__legalnav{display:flex;flex-wrap:wrap;gap:18px}
.mgm-footer__legallink{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:rgba(243,235,221,.62);
  transition:color .18s var(--ease);
}
.mgm-footer__legallink:hover{color:var(--gold)}

/* ---------- 09 通用版式与组件 ---------- */
.mgm-main{position:relative}
.mgm-main--offset{padding-top:var(--header-h)}
.mgm-container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}

.mgm-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.24em;
  color:var(--gold);text-transform:uppercase;
}
.mgm-kicker::before{content:"";width:22px;height:1px;background:var(--gold)}

.mgm-pagehead{
  position:relative;
  padding:calc(var(--header-h) + clamp(40px,6vw,84px)) 0 clamp(36px,4.4vw,60px);
  border-bottom:1px solid var(--line-gold);
  background:
    radial-gradient(80% 120% at 10% 0%,rgba(90,16,38,.55),transparent 62%),
    linear-gradient(180deg,#0B0B0D,#150509);
}
.mgm-pagehead__index{font-family:var(--mono);font-size:11px;letter-spacing:.26em;color:var(--gold)}
.mgm-pagehead__title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(34px,5.6vw,68px);line-height:1.1;letter-spacing:.02em;
  margin:16px 0 18px;max-width:20ch;
}
.mgm-pagehead__lead{max-width:62ch;color:var(--text-soft);font-size:17px}

.mgm-section{position:relative;padding-block:clamp(52px,7vw,100px)}
.mgm-section--topless{padding-top:0}
.mgm-section--ink{background:var(--ink)}
.mgm-section--wine{
  background:linear-gradient(155deg,var(--wine-deep),var(--wine) 58%,#2A0710);
  border-block:1px solid rgba(216,181,106,.22);
}
.mgm-section--ivory{background:var(--ivory);color:#231A1B}
.mgm-section--ivory .mgm-section__lead,
.mgm-section--ivory .mgm-card__text,
.mgm-section--ivory .mgm-list__item{color:#5B4A45}
.mgm-section--ivory .mgm-section__title{color:#231A1B}
.mgm-section__head{
  display:grid;grid-template-columns:auto minmax(0,1fr);
  gap:14px 24px;align-items:baseline;
  margin-bottom:clamp(26px,3.4vw,46px);
}
.mgm-section__num{
  font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--gold);padding-top:6px;
}
.mgm-section__title{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(26px,3.4vw,40px);line-height:1.28;letter-spacing:.02em;
  max-width:26ch;
}
.mgm-section__lead{grid-column:2;max-width:64ch;color:var(--text-soft);font-size:16px}

.mgm-split{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(24px,4vw,56px);align-items:start}
.mgm-split--flip{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.mgm-grid{display:grid;gap:clamp(16px,2.2vw,30px);grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}

.mgm-rule{
  height:1px;border:0;margin:clamp(22px,3vw,38px) 0;
  background:linear-gradient(90deg,rgba(216,181,106,.6),rgba(216,181,106,.04));
}
.mgm-rule--label{
  display:flex;align-items:center;gap:14px;height:auto;background:none;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--gold-dim);
}
.mgm-rule--label::after{content:"";flex:1 1 auto;height:1px;background:linear-gradient(90deg,rgba(216,181,106,.5),transparent)}

.mgm-card{
  position:relative;
  padding:22px 24px;
  border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(243,235,221,.045);
  transition:border-color .22s var(--ease),transform .22s var(--ease),background .22s var(--ease);
}
.mgm-card:hover{border-color:rgba(216,181,106,.5);transform:translateY(-2px)}
.mgm-card--glass{
  background:rgba(243,235,221,.09);
  border-color:rgba(243,235,221,.2);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.mgm-card--wine{
  background:linear-gradient(150deg,rgba(90,16,38,.9),rgba(50,8,18,.95));
  border-color:rgba(216,181,106,.35);
}
.mgm-card__index{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--gold)}
.mgm-card__title{font-family:var(--serif);font-size:20px;line-height:1.45;letter-spacing:.02em;margin:10px 0 8px}
.mgm-card__text{font-size:15px;line-height:1.7;color:var(--text-soft)}

.mgm-tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:var(--gold);border:1px solid rgba(216,181,106,.45);
  border-radius:var(--radius);
}
.mgm-tag--celadon{color:var(--celadon);border-color:rgba(111,175,155,.55);background:rgba(111,175,155,.1)}
.mgm-tag--wine{color:#F0D9C4;border-color:rgba(90,16,38,.9);background:rgba(90,16,38,.75)}
.mgm-tag--smoke{color:var(--text-mute);border-color:rgba(243,235,221,.25)}

.mgm-list{display:grid;gap:10px}
.mgm-list__item{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:rgba(243,235,221,.82)}
.mgm-list__item::before{content:"";position:absolute;left:0;top:.8em;width:8px;height:1px;background:var(--gold)}
.mgm-list--numbered{counter-reset:mgm}
.mgm-list--numbered .mgm-list__item{padding-left:34px;counter-increment:mgm}
.mgm-list--numbered .mgm-list__item::before{
  content:counter(mgm,decimal-leading-zero);
  width:auto;height:auto;top:.15em;
  background:none;color:var(--gold);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
}

.mgm-note{
  padding:14px 18px;
  border-left:2px solid var(--celadon);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(111,175,155,.09);
  font-size:14px;line-height:1.75;color:rgba(243,235,221,.84);
}
.mgm-note--gold{border-color:var(--gold);background:rgba(216,181,106,.1)}

.mgm-crumb{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--smoke)}
.mgm-crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.mgm-crumb__item{display:flex;align-items:center;gap:8px;color:var(--text-mute)}
.mgm-crumb__link{color:rgba(243,235,221,.66);transition:color .18s var(--ease)}
.mgm-crumb__link:hover{color:var(--gold)}
.mgm-crumb__sep{color:rgba(216,181,106,.55)}
.mgm-crumb__item [aria-current="page"]{color:var(--gold)}

.mgm-accordion{border-top:1px solid var(--line-soft)}
.mgm-accordion__item{border-bottom:1px solid var(--line-soft)}
.mgm-accordion__trigger{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:18px 4px;text-align:left;color:var(--ivory);
  transition:color .18s var(--ease);
}
.mgm-accordion__trigger:hover{color:var(--gold)}
.mgm-accordion__num{
  flex:0 0 auto;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--gold-dim);
  transition:color .18s var(--ease);
}
.mgm-accordion__label{flex:1 1 auto;font-size:16px;line-height:1.55}
.mgm-accordion__dot{
  flex:0 0 auto;width:8px;height:8px;border-radius:50%;
  border:1px solid var(--celadon);background:transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.mgm-accordion__trigger[aria-expanded="true"] .mgm-accordion__dot{
  background:var(--celadon);box-shadow:0 0 0 4px rgba(111,175,155,.16);
}
.mgm-accordion__item[data-open] .mgm-accordion__num{color:var(--gold)}
.mgm-accordion__panel{
  padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--text-soft);
}

.mgm-tabs__list{
  display:flex;flex-wrap:wrap;gap:8px;
  padding-bottom:14px;margin-bottom:24px;
  border-bottom:1px solid var(--line-soft);
}
.mgm-tabs__tab{
  padding:9px 16px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;
  color:rgba(243,235,221,.72);
  border:1px solid rgba(243,235,221,.2);border-radius:var(--radius);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.mgm-tabs__tab:hover{border-color:var(--gold);color:var(--ivory)}
.mgm-tabs__tab[aria-selected="true"]{background:var(--wine);border-color:var(--gold);color:var(--ivory)}
.mgm-tabs__panel[hidden]{display:none}

.mgm-filterbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.mgm-chip{
  padding:8px 14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:rgba(243,235,221,.72);
  border:1px solid rgba(243,235,221,.2);border-radius:var(--radius);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.mgm-chip:hover{border-color:var(--gold);color:var(--ivory)}
.mgm-chip[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:#2B0A12;font-weight:600}

.mgm-timeline{position:relative;padding-left:26px}
.mgm-timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--gold),rgba(216,181,106,.12));
}
.mgm-timeline__item{position:relative;padding-bottom:26px}
.mgm-timeline__item::before{
  content:"";position:absolute;left:-26px;top:7px;
  width:11px;height:11px;border-radius:50%;
  background:var(--ink);border:1px solid var(--gold);
}
.mgm-timeline__item[data-state="current"]::before{
  background:var(--celadon);border-color:var(--celadon);
  box-shadow:0 0 0 4px rgba(111,175,155,.18);
}
.mgm-timeline__date{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--gold)}
.mgm-timeline__title{font-family:var(--serif);font-size:18px;line-height:1.5;margin:6px 0 4px}
.mgm-timeline__text{font-size:14px;line-height:1.75;color:var(--text-soft)}

.mgm-tablewrap{overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--radius)}
.mgm-table{min-width:520px;font-size:14px}
.mgm-table caption{
  padding:14px 16px;text-align:left;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--gold);
  border-bottom:1px solid var(--line-soft);
}
.mgm-table th,.mgm-table td{padding:12px 16px;text-align:left;border-bottom:1px solid rgba(243,235,221,.1);vertical-align:top}
.mgm-table thead th{
  font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.16em;
  color:var(--gold-dim);background:rgba(243,235,221,.045);
}
.mgm-table tbody tr:last-child td{border-bottom:0}
.mgm-table tbody tr:hover{background:rgba(90,16,38,.26)}

/* ---------- 10 图片容器 ---------- */
.mgm-figure{display:block;margin:0}
.mgm-figure__media{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid rgba(216,181,106,.22);border-radius:var(--radius);
  display:grid;place-items:center;
  background:
    radial-gradient(120% 90% at 18% 0%,rgba(216,181,106,.18),transparent 58%),
    repeating-linear-gradient(96deg,rgba(243,235,221,.055) 0 2px,transparent 2px 26px),
    linear-gradient(160deg,rgba(90,16,38,.85),rgba(11,11,13,.96) 72%);
}
.mgm-figure__media::after{
  content:"";position:absolute;inset:10px;
  border:1px solid rgba(243,235,221,.12);pointer-events:none;
}
.mgm-figure__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mgm-figure__ph{
  position:relative;z-index:1;padding:16px;text-align:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  color:rgba(243,235,221,.5);
}
.mgm-figure__caption{
  margin-top:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--smoke);
}
.mgm-figure--4x3 .mgm-figure__media{aspect-ratio:4/3}
.mgm-figure--1x1 .mgm-figure__media{aspect-ratio:1/1}
.mgm-figure--3x4 .mgm-figure__media{aspect-ratio:3/4}
.mgm-figure--21x9 .mgm-figure__media{aspect-ratio:21/9}

/* ---------- 11 动效与可访问性 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.06s}
[data-reveal][data-delay="2"]{transition-delay:.12s}
[data-reveal][data-delay="3"]{transition-delay:.18s}
[data-reveal][data-delay="4"]{transition-delay:.24s}
html[data-nav-lock]{overflow:hidden}

/* ---------- 响应式：≤1099 页脚收叠 ---------- */
@media (max-width:1099px){
  .mgm-footer__inner{grid-template-columns:minmax(0,1fr);gap:34px}
  .mgm-footer__cols{grid-template-columns:repeat(3,minmax(0,1fr))}
  .mgm-footer__line{max-width:none}
  .mgm-footer__plaque{max-width:520px}
}

/* ---------- 响应式：≤1180 收紧导航底部按钮 ---------- */
@media (max-width:1180px) and (min-width:1024px){
  .mgm-nav__foot .mgm-btn--ghost{display:none}
}

/* ---------- 响应式：≤1023 移动导航 ---------- */
@media (max-width:1023px){
  :root{--header-h:64px}
  .mgm-navbtn{display:inline-flex;order:3}
  .mgm-brand{order:1}
  .mgm-nav{
    position:fixed;inset:0;z-index:290;
    margin-left:0;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;
    padding:calc(var(--header-h) + 26px) var(--gutter) 40px;
    overflow-y:auto;
    background:
      radial-gradient(120% 78% at 88% 6%,rgba(90,16,38,.95),rgba(50,8,18,.98) 44%,#0B0B0D 100%);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s linear;
  }
  .mgm-nav::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:repeating-linear-gradient(90deg,rgba(216,181,106,.08) 0 1px,transparent 1px 64px);
  }
  .mgm-nav[data-open]{opacity:1;visibility:visible;transform:none}
  .mgm-nav__list{position:relative;flex-direction:column;align-items:stretch;gap:0;width:100%}
  .mgm-nav__item{
    border-bottom:1px solid rgba(243,235,221,.1);
    opacity:0;transform:translateY(8px);
    transition:opacity .3s var(--ease),transform .3s var(--ease);
  }
  .mgm-nav[data-open] .mgm-nav__item{opacity:1;transform:none}
  .mgm-nav[data-open] .mgm-nav__item:nth-child(1){transition-delay:.04s}
  .mgm-nav[data-open] .mgm-nav__item:nth-child(2){transition-delay:.09s}
  .mgm-nav[data-open] .mgm-nav__item:nth-child(3){transition-delay:.14s}
  .mgm-nav[data-open] .mgm-nav__item:nth-child(4){transition-delay:.19s}
  .mgm-nav[data-open] .mgm-nav__item:nth-child(5){transition-delay:.24s}
  .mgm-nav[data-open] .mgm-nav__item:nth-child(6){transition-delay:.29s}
  .mgm-nav__link{
    flex-direction:row;align-items:baseline;gap:14px;
    padding:18px 2px;
    font-family:var(--serif);font-size:24px;letter-spacing:.08em;
    color:rgba(243,235,221,.86);
  }
  .mgm-nav__link::after{display:none}
  .mgm-nav__num{font-size:11px;letter-spacing:.2em}
  .mgm-nav__link[aria-current="page"]{color:var(--gold)}
  .mgm-nav__foot{
    flex-direction:column;align-items:stretch;gap:12px;
    margin-top:28px;width:100%;position:relative;
  }
  .mgm-nav__foot .mgm-btn{width:100%;padding:14px 20px;font-size:13px}
  .mgm-nav__meta{
    display:block;margin-top:6px;text-align:center;
    font-family:var(--mono);font-size:11px;letter-spacing:.12em;
    color:rgba(243,235,221,.6);
  }
  .mgm-split,.mgm-split--flip{grid-template-columns:minmax(0,1fr)}
  .mgm-section__head{grid-template-columns:minmax(0,1fr);gap:10px}
  .mgm-section__lead{grid-column:1}
  .mgm-pagehead{padding-top:calc(var(--header-h) + 44px)}
}

/* ---------- 响应式：≤640 细节 ---------- */
@media (max-width:640px){
  body{font-size:16px}
  .mgm-brand__mark{width:32px;height:32px;font-size:16px}
  .mgm-brand__name{font-size:17px;letter-spacing:.12em}
  .mgm-brand__sub{display:none}
  .mgm-navbtn{padding:9px 11px}
  .mgm-navbtn__label{display:none}
  .mgm-nav__link{font-size:21px}
  .mgm-footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}
  .mgm-footer__legalinner{flex-direction:column;align-items:flex-start;gap:10px}
  .mgm-footer__legalnav{gap:14px}
  .mgm-card{padding:18px 18px}
  .mgm-plaque{padding:16px 16px}
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none;transition:none}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}