/* ============================================================
   娱乐神殿会馆 · 共享站点样式 /assets/site.css
   夜幕神殿门廊 · 珠宝色分区 · Bento 信息板
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --purple:#2B1B4A;
  --night:#150F26;
  --night-deep:#100B1D;
  --gold:#C9A227;
  --gold-light:#F0D77A;
  --cyan:#3CE0D0;
  --coral:#FF6B4A;
  --ruby:#7A1F3D;
  --teal:#0E3B3A;
  --mist:#D9D2C3;
  --ivory:#F7F1E3;

  --line:rgba(217,210,195,.16);
  --line-strong:rgba(217,210,195,.28);
  --line-gold:rgba(201,162,39,.30);
  --line-cyan:rgba(60,224,208,.26);
  --surface:rgba(255,255,255,.045);

  --radius-lg:26px;
  --radius-md:16px;
  --radius-sm:10px;
  --radius-pill:999px;

  --wrap:1240px;
  --gutter:clamp(18px,4vw,40px);

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

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:150px;
}
body{
  margin:0;
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ivory);
  background-color:var(--purple);
  background-image:
    radial-gradient(880px 600px at 14% -10%, rgba(60,224,208,.11), transparent 62%),
    radial-gradient(720px 520px at 88% 2%, rgba(201,162,39,.13), transparent 58%),
    radial-gradient(1100px 820px at 50% 116%, rgba(122,31,61,.30), transparent 70%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.14;
  letter-spacing:-.02em;
  color:var(--ivory);
}
h1{font-size:clamp(34px,5vw,68px)}
h2{font-size:clamp(26px,3.2vw,44px)}
h3{font-size:clamp(20px,2vw,26px)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
::selection{background:var(--gold);color:#1A1208}

#main-content{display:block;scroll-margin-top:150px}
#main-content:focus{outline:none}

/* ---------- 3. 容器与通用节奏 ---------- */
.container{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:880px}

.section{padding-block:clamp(36px,5vw,72px)}
.section--tight{padding-block:clamp(22px,3vw,44px)}

.section-head{
  display:grid;
  gap:10px;
  max-width:62ch;
  margin-bottom:clamp(20px,3vw,34px);
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--cyan);
}
.section-kicker::before{
  content:"";
  width:26px;
  height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.section-title{font-size:clamp(26px,3.2vw,44px);letter-spacing:-.02em}
.section-lead{
  font-size:clamp(15px,1.4vw,17px);
  line-height:1.8;
  color:rgba(247,241,227,.78);
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(217,210,195,.62);
}
.rule{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,rgba(201,162,39,.55),rgba(60,224,208,.24),transparent);
}
.stack{display:grid;gap:clamp(12px,2vw,20px)}
.stack--lg{gap:clamp(20px,3vw,34px)}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-body);
  font-size:14.5px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.06em;
  color:var(--ivory);
  background:transparent;
  transition:transform .22s var(--ease), box-shadow .28s var(--ease),
             background-color .26s var(--ease), color .22s var(--ease),
             border-color .22s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}

.btn--primary{
  color:#22170A;
  background:linear-gradient(135deg,#F5E39A 0%,#C9A227 52%,#A9871B 100%);
  border-color:rgba(255,243,196,.55);
  box-shadow:0 10px 26px -14px rgba(201,162,39,.95), inset 0 1px 0 rgba(255,255,255,.5);
}
.btn--primary:hover{
  background:linear-gradient(135deg,#FFF0AE 0%,#E0B62E 52%,#B89320 100%);
  box-shadow:0 16px 36px -14px rgba(240,215,122,.9), inset 0 1px 0 rgba(255,255,255,.7);
}

.btn--ghost{
  color:var(--ivory);
  border-color:rgba(201,162,39,.45);
  background:rgba(201,162,39,.07);
}
.btn--ghost:hover{
  color:var(--gold-light);
  border-color:rgba(240,215,122,.8);
  background:rgba(201,162,39,.15);
  box-shadow:0 0 0 1px rgba(240,215,122,.3), 0 14px 30px -20px rgba(201,162,39,.95);
}

.btn--quiet{
  min-height:0;
  padding:8px 2px;
  border:0;
  color:var(--cyan);
  font-size:14px;
  letter-spacing:.04em;
}
.btn--quiet:hover{
  color:#8BF3E7;
  text-decoration:underline;
  text-underline-offset:5px;
  transform:none;
}

/* ---------- 5. 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mist);
  white-space:nowrap;
}
.badge--gold{color:#251A05;background:linear-gradient(135deg,#F0D77A,#C9A227);border-color:transparent}
.badge--cyan{color:#04211F;background:linear-gradient(135deg,#7BF1E6,#3CE0D0);border-color:transparent}
.badge--live{color:#1A0E12;background:linear-gradient(135deg,#FF9B82,#FF6B4A);border-color:transparent}

.pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:8px 18px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  font-size:13.5px;
  letter-spacing:.06em;
  color:var(--mist);
  transition:color .2s var(--ease), border-color .2s var(--ease),
             background-color .2s var(--ease), transform .2s var(--ease);
}
.pill:hover{color:var(--gold-light);border-color:rgba(240,215,122,.7);background:rgba(201,162,39,.1)}
.pill[aria-pressed="true"],.pill.is-active{
  color:#251A05;
  background:linear-gradient(135deg,#F0D77A,#C9A227);
  border-color:transparent;
  font-weight:600;
}
.pill--gold{color:var(--gold-light);border-color:rgba(240,215,122,.5)}
.pill--cyan{color:var(--cyan);border-color:rgba(60,224,208,.42)}
.pill--coral{color:#FFB4A0;border-color:rgba(255,107,74,.45)}

/* ---------- 6. 面板与 Bento ---------- */
.panel{
  position:relative;
  padding:clamp(18px,2.6vw,30px);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  overflow:hidden;
}
.panel--glass{
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  border-color:rgba(240,215,122,.22);
  backdrop-filter:blur(10px) saturate(120%);
  -webkit-backdrop-filter:blur(10px) saturate(120%);
}
.panel--ruby{
  background:linear-gradient(155deg,rgba(122,31,61,.66),rgba(122,31,61,.22));
  border-color:rgba(240,215,122,.22);
}
.panel--teal{
  background:linear-gradient(155deg,rgba(14,59,58,.74),rgba(14,59,58,.26));
  border-color:rgba(60,224,208,.24);
}
.panel__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:12px;
}
.panel__title{
  font-size:clamp(18px,1.8vw,22px);
  letter-spacing:.01em;
}
.panel__body{
  font-size:15px;
  line-height:1.8;
  color:rgba(247,241,227,.82);
}
.panel__body > * + *{margin-top:10px}

.bento{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(12px,1.6vw,20px);
  align-items:stretch;
}
.bento__cell{grid-column:span 12;min-width:0}
.bento__cell--third{grid-column:span 4}
.bento__cell--half{grid-column:span 6}
.bento__cell--wide{grid-column:span 8}
.bento__cell--full{grid-column:span 12}

/* ---------- 7. 媒体占位框 ---------- */
.media-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line-gold);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(120% 90% at 50% 8%, rgba(201,162,39,.22), transparent 62%),
    radial-gradient(90% 70% at 50% 100%, rgba(60,224,208,.16), transparent 68%),
    linear-gradient(180deg,rgba(43,27,74,.92),rgba(21,15,38,.96));
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(217,210,195,.10) 0 1px,transparent 1px 28px);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
  mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);
}
.media-frame__scene{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  padding:20px;
  text-align:center;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:rgba(240,215,122,.62);
}
.media-frame__caption{
  position:absolute;
  left:16px;
  bottom:12px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.12em;
  color:rgba(217,210,195,.72);
}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame--square{aspect-ratio:1 / 1}

/* ---------- 8. 面包屑 ---------- */
.breadcrumbs{
  padding-block:16px 0;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
}
.breadcrumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
}
.breadcrumbs__item{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:rgba(217,210,195,.55);
}
.breadcrumbs__item + .breadcrumbs__item::before{
  content:"/";
  color:rgba(201,162,39,.65);
}
.breadcrumbs__link{color:var(--mist);transition:color .2s var(--ease)}
.breadcrumbs__link:hover{color:var(--cyan)}
.breadcrumbs__item[aria-current="page"]{color:var(--gold-light)}

/* ---------- 9. 折叠内容组 ---------- */
.accordion{
  border-top:1px solid var(--line);
}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__trigger{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  min-height:56px;
  padding:16px 8px 16px 20px;
  border-radius:14px;
  text-align:left;
  font-size:clamp(15px,1.5vw,17px);
  font-weight:500;
  color:var(--ivory);
  transition:color .22s var(--ease), background-color .22s var(--ease);
}
.accordion__trigger::before{
  content:"";
  position:absolute;
}
.accordion__trigger:hover{color:var(--gold-light);background:rgba(201,162,39,.06)}
.accordion__label{flex:1 1 auto;min-width:0}
.accordion__icon{
  position:relative;
  flex:none;
  width:22px;
  height:22px;
  border:1px solid rgba(201,162,39,.5);
  border-radius:50%;
  transition:transform .3s var(--ease), border-color .25s var(--ease), background-color .25s var(--ease);
}
.accordion__icon::before,
.accordion__icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--gold-light);
  transform:translate(-50%,-50%);
}
.accordion__icon::before{width:10px;height:1.5px}
.accordion__icon::after{width:1.5px;height:10px;transition:opacity .25s var(--ease)}
.accordion__trigger[aria-expanded="true"] .accordion__icon{
  transform:rotate(90deg);
  border-color:rgba(60,224,208,.8);
  background:rgba(60,224,208,.14);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after{background:var(--cyan)}
.accordion__trigger[aria-expanded="true"] .accordion__icon::after{opacity:0}
.accordion__panel{
  display:grid;
  grid-template-rows:0fr;
  visibility:hidden;
  transition:grid-template-rows .38s var(--ease), visibility .38s;
}
.accordion__panel[data-open="true"]{
  grid-template-rows:1fr;
  visibility:visible;
}
.accordion__inner{overflow:hidden;min-height:0}
.accordion__body{
  padding:0 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:rgba(247,241,227,.8);
  border-left:1px solid rgba(201,162,39,.35);
  margin-left:20px;
  padding-left:20px;
}
.accordion__body > * + *{margin-top:10px}

/* ---------- 10. 清单 ---------- */
.checklist{display:grid;gap:2px}
.checklist__item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:12px;
  align-items:start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  line-height:1.7;
  color:rgba(247,241,227,.85);
}
.checklist__item:last-child{border-bottom:0}
.checklist__mark{
  position:relative;
  width:18px;
  height:18px;
  margin-top:4px;
  flex:none;
  border:1px solid rgba(201,162,39,.6);
  border-radius:6px;
}
.checklist__mark::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:8px;
  height:8px;
  border-radius:3px;
  transform:translate(-50%,-50%) rotate(45deg);
  background:linear-gradient(135deg,var(--gold-light),var(--cyan));
  box-shadow:0 0 10px rgba(60,224,208,.55);
}

/* ---------- 11. 页头 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:12px;
  z-index:200;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  background:var(--gold);
  color:#1A1208;
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  transform:translateY(-180%);
  transition:transform .25s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,rgba(21,15,38,.97) 0%,rgba(24,16,43,.93) 74%,rgba(24,16,43,.88) 100%);
  backdrop-filter:blur(14px) saturate(130%);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid var(--line-gold);
  box-shadow:0 24px 48px -36px rgba(0,0,0,.95);
}
.header-ruler{
  height:7px;
  background-image:repeating-linear-gradient(90deg,rgba(201,162,39,.78) 0 1px,transparent 1px 16px);
  opacity:.6;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}

.masthead{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  grid-template-areas:"kicker brand actions";
  align-items:center;
  gap:16px;
  padding-block:10px 9px;
}
.masthead-kicker{
  grid-area:kicker;
  justify-self:start;
  max-width:200px;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:600;
  line-height:1.6;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(217,210,195,.6);
}
.brand{
  grid-area:brand;
  display:grid;
  grid-template-areas:"mark" "name" "sub";
  justify-items:center;
  gap:3px;
  padding:2px 16px;
  text-align:center;
}
.brand-mark{
  grid-area:mark;
  position:relative;
  width:24px;
  height:20px;
  border:1.5px solid var(--gold);
  border-bottom:0;
  border-radius:13px 13px 0 0;
  box-shadow:0 0 18px rgba(201,162,39,.35);
  transition:box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:1.5px;
  height:11px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,var(--cyan),rgba(60,224,208,0));
}
.brand:hover .brand-mark{
  border-color:var(--gold-light);
  box-shadow:0 0 26px rgba(240,215,122,.7);
}
.brand-name{
  grid-area:name;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(21px,2.3vw,30px);
  line-height:1.05;
  letter-spacing:.07em;
  background:linear-gradient(100deg,#F0D77A 0%,#C9A227 44%,#F0D77A 76%,#FFF3C4 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  -webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 12px rgba(201,162,39,.3));
}
.brand-sub{
  grid-area:sub;
  font-family:var(--font-mono);
  font-size:9px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:rgba(217,210,195,.52);
}
.masthead-actions{
  grid-area:actions;
  justify-self:end;
  display:flex;
  align-items:center;
  gap:10px;
}
.header-cta{display:inline-flex}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:0 16px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-pill);
  color:var(--mist);
  font-size:13px;
  letter-spacing:.14em;
  transition:color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}
.nav-toggle:hover{color:var(--gold-light);border-color:rgba(240,215,122,.6)}
.nav-toggle-bars{display:grid;gap:4px;width:18px}
.nav-toggle-bars i{
  display:block;
  height:1.5px;
  border-radius:2px;
  background:currentColor;
  transition:transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"]{
  color:var(--gold-light);
  border-color:rgba(240,215,122,.6);
  background:rgba(201,162,39,.14);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-toggle-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
}

.nav-rail{
  position:relative;
  border-top:1px solid rgba(217,210,195,.12);
  background:linear-gradient(90deg,rgba(60,224,208,.05),rgba(201,162,39,.07) 50%,rgba(122,31,61,.12));
}
.nav-rail__inner{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
}
.site-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
}
.nav-list{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:clamp(2px,1.1vw,10px);
}
.nav-list__item{display:flex}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  font-size:14.5px;
  letter-spacing:.08em;
  color:var(--mist);
  white-space:nowrap;
  transition:color .22s var(--ease), background-color .22s var(--ease), box-shadow .25s var(--ease);
}
.nav-link::before{
  content:"";
  position:absolute;
  left:50%;
  top:3px;
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 10px rgba(240,215,122,.9);
  transform:translateX(-50%) scale(0);
  transition:transform .25s var(--ease);
}
.nav-link:hover{color:var(--gold-light);background:rgba(201,162,39,.1)}
.nav-link:hover::before{transform:translateX(-50%) scale(1)}
.nav-link[aria-current="page"]{
  color:#251A05;
  font-weight:600;
  background:linear-gradient(135deg,#F0D77A,#C9A227);
  box-shadow:0 8px 22px -14px rgba(201,162,39,.95);
}
.nav-link[aria-current="page"]::before{transform:translateX(-50%) scale(0)}
.nav-cta{display:none}

.scroll-progress{
  position:absolute;
  left:0;
  bottom:-1px;
  z-index:2;
  width:100%;
  height:2px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--gold-light) 55%,var(--coral));
  box-shadow:0 0 12px rgba(60,224,208,.6);
  transition:transform .12s linear;
  pointer-events:none;
}

/* ---------- 12. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  padding-top:clamp(36px,5vw,64px);
  padding-bottom:26px;
  color:var(--mist);
  background:
    radial-gradient(680px 340px at 8% 0%,rgba(60,224,208,.10),transparent 65%),
    radial-gradient(680px 420px at 92% 6%,rgba(122,31,61,.40),transparent 70%),
    linear-gradient(180deg,rgba(21,15,38,.98),var(--night-deep) 100%);
  border-top:1px solid rgba(201,162,39,.32);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:6px;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(201,162,39,.62) 0 1px,transparent 1px 18px);
  opacity:.55;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr repeat(3,minmax(0,1fr));
  gap:clamp(24px,3.4vw,48px);
  padding-bottom:clamp(26px,3.5vw,44px);
}
.footer-lockup{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(22px,2.4vw,30px);
  letter-spacing:.05em;
  line-height:1.2;
  color:var(--gold-light);
  text-shadow:0 0 28px rgba(201,162,39,.4);
}
.footer-line{
  margin-top:8px;
  max-width:24em;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(217,210,195,.72);
}
.footer-contact{
  display:grid;
  gap:8px;
  margin-top:18px;
  padding:16px 18px;
  border:1px solid rgba(201,162,39,.22);
  border-radius:var(--radius-md);
  background:rgba(201,162,39,.05);
}
.footer-contact__label{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
}
.footer-contact__row{
  display:flex;
  gap:10px;
  font-size:13px;
  line-height:1.6;
}
.footer-contact__key{
  flex:0 0 34px;
  padding-top:1px;
  font-family:var(--font-mono);
  font-size:11px;
  color:rgba(217,210,195,.56);
}
.footer-contact__val{color:var(--ivory);word-break:break-all}
.footer-contact__note{
  font-size:12px;
  line-height:1.65;
  color:rgba(217,210,195,.56);
}
.footer-col__title{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:100%;
  padding-bottom:10px;
  border-bottom:1px solid rgba(201,162,39,.25);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.22em;
  text-transform:uppercase;
  line-height:1.4;
  color:var(--gold-light);
}
.footer-col__title::before{
  content:"";
  width:12px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.footer-list{margin-top:14px;display:grid;gap:2px}
.footer-list a{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding-left:16px;
  font-size:14px;
  color:rgba(217,210,195,.82);
  transition:color .2s var(--ease), transform .2s var(--ease);
}
.footer-list a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:6px;
  height:6px;
  border:1px solid rgba(60,224,208,.55);
  transform:translateY(-50%) rotate(45deg) scale(.7);
  transition:transform .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}
.footer-list a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-list a:hover::before{
  transform:translateY(-50%) rotate(45deg) scale(1);
  background:var(--cyan);
  border-color:var(--cyan);
  box-shadow:0 0 10px rgba(60,224,208,.8);
}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
}
.footer-meta__icp{color:rgba(217,210,195,.6)}
.footer-meta__copy{color:rgba(240,215,122,.68)}

/* ---------- 13. 焦点与无障碍 ---------- */
:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}
.nav-link:focus-visible,
.nav-toggle:focus-visible,
.pill:focus-visible{outline-offset:2px}
.accordion__trigger:focus-visible{outline-offset:-2px}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1024px){
  body{background-attachment:scroll}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:900px){
  .masthead{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand actions";
    gap:10px;
    padding-block:10px;
  }
  .masthead-kicker{display:none}
  .brand{
    grid-template-columns:auto minmax(0,1fr);
    grid-template-areas:"mark name";
    justify-items:start;
    align-items:center;
    column-gap:10px;
    padding:0;
    text-align:left;
  }
  .brand-mark{grid-area:mark;width:22px;height:18px}
  .brand-name{grid-area:name;font-size:clamp(19px,5.2vw,25px)}
  .brand-sub{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    display:block;
    width:100%;
    max-height:calc(100vh - 130px);
    overflow-y:auto;
    padding:14px var(--gutter) 20px;
    background:linear-gradient(180deg,rgba(21,15,38,.99),rgba(26,17,46,.99));
    border-bottom:1px solid rgba(201,162,39,.38);
    box-shadow:0 34px 64px -34px rgba(0,0,0,.98);
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .25s var(--ease), transform .28s var(--ease), visibility .28s;
  }
  .site-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    width:100%;
  }
  .nav-list__item{width:100%}
  .nav-link{
    width:100%;
    justify-content:flex-start;
    min-height:48px;
    padding:12px 18px;
    border:1px solid rgba(217,210,195,.12);
    border-radius:14px;
    background:rgba(217,210,195,.05);
    font-size:15.5px;
  }
  .nav-link::before{
    left:8px;
    top:50%;
    width:5px;
    height:5px;
    background:var(--cyan);
    box-shadow:0 0 8px rgba(60,224,208,.7);
    transform:translateY(-50%) scale(1);
  }
  .nav-link:hover::before{transform:translateY(-50%) scale(1.3)}
  .nav-link[aria-current="page"]{padding-left:18px}
  .nav-link[aria-current="page"]::before{background:#2A1D06;box-shadow:none;transform:translateY(-50%) scale(1)}
  .nav-cta{
    display:inline-flex;
    width:100%;
    margin-top:14px;
  }
}

@media (max-width:600px){
  :root{--radius-lg:20px}
  .masthead{padding-block:8px}
  .site-footer{padding-bottom:20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-meta{flex-direction:column;align-items:flex-start}
  .panel{padding:18px}
  .section-title{font-size:clamp(23px,6vw,30px)}
}

/* ---------- 15. 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .btn:hover,
  .footer-list a:hover{transform:none}
  .scroll-progress{transition:none}
  .site-nav{transform:none}
}