/* =========================================================
   美狮贵宾游戏 · 共享外壳样式  /assets/site.css
   复古数字游乐厅 · 阶梯大厅视觉系统
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --navy:#0B1226;
  --panel:#131C3A;
  --panel-2:#0E1730;
  --orange:#FF7A2F;
  --violet:#8B5CF6;
  --amber:#FFD166;
  --cyan:#35E1C8;
  --ink:#F2F0E8;
  --muted:#9AA7C7;
  --line:#1E2A52;

  --radius-sm:10px;
  --radius:16px;
  --radius-lg:20px;

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

  --shadow-card:0 12px 26px rgba(4,8,20,.45);
  --ease:240ms cubic-bezier(.33,.8,.35,1);
  --shell-w:1220px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:130px;
}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{font-weight:800;line-height:1.2}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:6px}

/* ---------- 3. 中文字体与页面基调 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--navy);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* 夜间光晕与扫描线：不拦截点击 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(58vw 42vw at 10% 4%, rgba(139,92,246,.20), transparent 70%),
    radial-gradient(46vw 34vw at 92% 2%, rgba(255,122,47,.16), transparent 72%),
    radial-gradient(70vw 50vw at 50% 100%, rgba(53,225,200,.07), transparent 75%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:1;
  pointer-events:none;
  opacity:.05;
  background-image:repeating-linear-gradient(
    0deg,
    rgba(242,240,232,.9) 0 1px,
    rgba(242,240,232,0) 1px 4px
  );
}
#main-content{position:relative;z-index:2;display:block}

/* ---------- 4. 通用排版 ---------- */
.container{
  width:min(var(--shell-w), calc(100% - 40px));
  margin-inline:auto;
}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.7;color:#DAD6C9;max-width:60ch}
.mono{font-family:var(--font-mono)}
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}
.tz-num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.tz-dot{
  display:inline-block;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,225,200,.16);
}

/* ---------- 5. 区块与网格 ---------- */
.section{position:relative;z-index:2;padding:64px 0}
.section--tight{padding:34px 0}
.section__index{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);
}
.section__index b{color:var(--orange);font-weight:700}
.section__title{
  margin-top:14px;
  font-size:clamp(30px,5vw,48px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.14;
  text-shadow:3px 3px 0 rgba(139,92,246,.22);
}
.section__lede{margin-top:14px;max-width:64ch;color:var(--muted);font-size:17px}

.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--stagger > *:nth-child(even){margin-top:34px}

/* ---------- 6. 生成元素：卡片 / 斜切块 / 标签 / 状态 ---------- */
.panel{
  position:relative;
  padding:22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(160deg, var(--panel), var(--panel-2));
  transition:border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.panel:hover{
  border-color:var(--amber);
  box-shadow:0 8px 12px rgba(2,5,14,.5);
  transform:translateY(-2px);
}
.panel__head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.panel__title{margin-top:12px;font-size:20px;font-weight:800;line-height:1.35}
.panel__body{margin-top:10px;color:var(--muted);font-size:16px;line-height:1.75}
.panel__meta{
  margin-top:14px;padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--muted);
}

.slab{
  position:relative;
  padding:28px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(150deg, rgba(139,92,246,.22), rgba(255,122,47,.12)), #101A38;
  clip-path:polygon(0 0, 100% 2.6%, 100% 100%, 0 97.4%);
}
.slab--violet{background:linear-gradient(150deg, rgba(139,92,246,.34), rgba(11,18,38,.4)), #121A38}
.slab--cyan{background:linear-gradient(150deg, rgba(53,225,200,.22), rgba(11,18,38,.5)), #0F1B33}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:8px;
  font-family:var(--font-mono);
  font-size:12px;font-weight:600;letter-spacing:.06em;line-height:1.5;
  color:var(--amber);
  background:rgba(255,209,102,.12);
  border:1px solid rgba(255,209,102,.32);
}
.chip--cyan{color:var(--cyan);background:rgba(53,225,200,.12);border-color:rgba(53,225,200,.32)}
.chip--violet{color:#C6B2FF;background:rgba(139,92,246,.16);border-color:rgba(139,92,246,.36)}
.chip--orange{color:#FFB183;background:rgba(255,122,47,.14);border-color:rgba(255,122,47,.34)}

.status{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);
}
.status__dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(53,225,200,.16);
}
.status--busy .status__dot{background:var(--amber);box-shadow:0 0 0 4px rgba(255,209,102,.18)}
.status--ok .status__dot{background:var(--cyan)}

/* ---------- 7. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:14px;font-weight:700;letter-spacing:.03em;line-height:1.2;
  cursor:pointer;
  transition:color .18s ease, border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.btn:hover{color:var(--amber);border-color:var(--amber)}
.btn--primary{
  color:#1A0E04;
  border-color:transparent;
  background:linear-gradient(120deg, var(--orange), #FF9A52);
  box-shadow:0 8px 20px rgba(255,122,47,.28);
}
.btn--primary:hover{color:#1A0E04;box-shadow:0 10px 24px rgba(255,122,47,.42)}
.btn--ghost{
  color:#FFB183;
  border-color:rgba(255,122,47,.55);
  background:rgba(255,122,47,.09);
}
.btn--ghost:hover{color:var(--amber);border-color:var(--amber)}
.btn--violet{
  color:#C6B2FF;
  border-color:rgba(139,92,246,.5);
  background:rgba(139,92,246,.14);
}
.btn--violet:hover{color:var(--amber);border-color:var(--amber)}
.btn--small{padding:7px 13px;font-size:12px}
.btn--block{width:100%}

/* ---------- 8. 面包屑 ---------- */
.breadcrumb{
  padding-top:20px;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.1em;
  color:var(--muted);
}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"/";color:var(--line)}
.breadcrumb__link{color:var(--muted)}
.breadcrumb__link:hover{color:var(--amber)}
.breadcrumb__item[aria-current="page"]{color:var(--ink)}

/* ---------- 9. 折叠面板 ---------- */
.collapse{
  margin-bottom:12px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(160deg, var(--panel), var(--panel-2));
  overflow:hidden;
  transition:border-color .2s ease;
}
.collapse:hover{border-color:rgba(255,209,102,.4)}
.collapse__trigger{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;
  color:var(--ink);
  font-size:16px;font-weight:700;text-align:left;
}
.collapse__trigger:hover{color:var(--amber)}
.collapse__mark{
  position:relative;
  flex:0 0 auto;
  width:22px;height:22px;
  border-radius:7px;
  border:1px solid var(--line);
  background:rgba(139,92,246,.12);
}
.collapse__mark::before,
.collapse__mark::after{
  content:"";
  position:absolute;top:50%;left:50%;
  background:var(--orange);
  transform:translate(-50%,-50%);
  transition:transform var(--ease);
}
.collapse__mark::before{width:10px;height:2px}
.collapse__mark::after{width:2px;height:10px}
.collapse[data-open] .collapse__mark::after{transform:translate(-50%,-50%) scaleY(0)}
.collapse__panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows var(--ease);
}
.collapse[data-open] .collapse__panel{grid-template-rows:1fr}
.collapse__inner{
  overflow:hidden;
  opacity:0;
  transform:translateY(8px);
  transition:opacity var(--ease), transform var(--ease);
}
.collapse[data-open] .collapse__inner{opacity:1;transform:translateY(0)}
.collapse__body{padding:0 20px 20px;color:var(--muted);font-size:16px;line-height:1.75}

/* ---------- 10. 图片容器基座 ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(150deg, #162040, #0C1329);
}
.media > img,
.media > picture > img{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--1x1{aspect-ratio:1 / 1}
.media--tall{aspect-ratio:3 / 4}
.media--pixel::after{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  opacity:.14;
  background-image:
    linear-gradient(rgba(11,18,38,.9) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11,18,38,.9) 1px, transparent 1px);
  background-size:6px 6px;
}
.media__ph{
  position:absolute;inset:0;
  display:grid;place-items:center;
  padding:16px;
  text-align:center;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 16px 12px;
  font-size:13px;
  color:var(--ink);
  background:linear-gradient(180deg, rgba(11,18,38,0), rgba(11,18,38,.92));
}

/* ---------- 11. 阶梯刻度导航 ---------- */
.tz-rail{
  position:fixed;
  right:16px;top:50%;
  transform:translateY(-50%);
  z-index:40;
  display:none;
  flex-direction:column;
  gap:6px;
}
.tz-rail__item{
  display:flex;align-items:center;justify-content:flex-end;gap:10px;
  padding:5px 6px;
  border-radius:8px;
  color:var(--muted);
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.14em;
  transition:color .18s ease;
}
.tz-rail__tick{
  width:16px;height:2px;
  border-radius:2px;
  background:var(--line);
  transition:width .2s ease, background .2s ease, box-shadow .2s ease;
}
.tz-rail__label{
  opacity:0;
  transform:translateX(4px);
  transition:opacity .2s ease, transform .2s ease;
  white-space:nowrap;
}
.tz-rail__item:hover,
.tz-rail__item.is-active{color:var(--amber)}
.tz-rail__item:hover .tz-rail__label,
.tz-rail__item.is-active .tz-rail__label{opacity:1;transform:translateX(0)}
.tz-rail__item:hover .tz-rail__tick{width:24px;background:var(--amber)}
.tz-rail__item.is-active .tz-rail__tick{
  width:28px;
  background:var(--orange);
  box-shadow:0 0 10px rgba(255,122,47,.75);
}

/* ---------- 12. 进场显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s ease, transform .5s ease;
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 13. 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(11,18,38,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.tz-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  overflow:hidden;
  background:rgba(30,42,82,.55);
}
.tz-progress__bar{
  display:block;
  height:100%;width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg, var(--cyan), var(--violet) 55%, var(--orange));
}

.tz-bar{
  border-bottom:1px solid rgba(30,42,82,.85);
  background:linear-gradient(90deg, #0D1630, #141D3D 55%, #0D1630);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
}
.tz-bar__inner{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:8px 18px;
  min-height:36px;
  padding:6px 0;
}
.tz-bar__brand{color:var(--ink);font-weight:700;letter-spacing:.16em}
.tz-bar__tagline{position:relative;padding-left:14px}
.tz-bar__tagline::before{
  content:"";
  position:absolute;left:0;top:50%;
  width:6px;height:6px;margin-top:-3px;
  border-radius:2px;
  background:var(--violet);
  transform:rotate(45deg);
}
.tz-bar__net{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:8px;
  color:var(--cyan);
}
.tz-net-dot{
  width:7px;height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(53,225,200,.9);
  animation:tz-pulse 2.4s ease-in-out infinite;
}
@keyframes tz-pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.82)}
}

.tz-nav-shell{position:relative}
.tz-nav-shell__inner{
  position:relative;
  display:flex;align-items:center;
  gap:22px;
  min-height:66px;
  padding:0;
}

.tz-brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.tz-brand__mark{
  display:grid;place-items:center;
  width:42px;height:42px;
  border-radius:13px;
  background:linear-gradient(140deg, var(--violet), var(--orange));
  color:#0B1226;
  font-family:var(--font-mono);
  font-size:15px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 6px 18px rgba(139,92,246,.38);
}
.tz-brand__text{
  display:flex;flex-direction:column;
  font-size:19px;font-weight:800;letter-spacing:.02em;line-height:1.25;
  text-shadow:2px 2px 0 rgba(139,92,246,.38);
}
.tz-brand__sub{
  margin-top:2px;
  font-family:var(--font-mono);
  font-size:11px;font-weight:500;letter-spacing:.16em;
  color:var(--muted);
  text-shadow:none;
}

.tz-nav{margin-left:auto}
.tz-nav__list{display:flex;align-items:center;gap:2px}
.tz-nav__item{position:relative}
.tz-nav__link{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;
  border-radius:11px;
  border:1px solid transparent;
  color:var(--muted);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  white-space:nowrap;
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}
.tz-nav__link:hover{
  color:var(--ink);
  background:rgba(255,122,47,.09);
  border-color:rgba(255,122,47,.34);
}
.tz-nav__link[aria-current="page"]{
  color:var(--amber);
  background:rgba(255,209,102,.1);
  border-color:rgba(255,209,102,.38);
}
.tz-nav__link[aria-current="page"]::after{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--amber);
  box-shadow:0 0 0 3px rgba(255,209,102,.2);
}
.tz-nav__caret{
  width:0;height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:5px solid currentColor;
  transition:transform .18s ease;
}
[data-dropdown][data-open] .tz-nav__caret{transform:rotate(180deg)}
[data-dropdown][data-open] > .tz-nav__toggle{
  color:var(--ink);
  border-color:var(--orange);
  background:rgba(255,122,47,.12);
}

.tz-sub{
  position:absolute;
  top:calc(100% + 12px);
  left:0;
  z-index:6;
  width:330px;
  padding:18px;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(155deg, #182347, #0E1730);
  box-shadow:0 18px 40px rgba(3,6,16,.62);
  opacity:0;
  visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.tz-nav__item--has-sub:hover .tz-sub,
.tz-nav__item--has-sub:focus-within .tz-sub,
.tz-nav__item--has-sub[data-open] .tz-sub{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.tz-sub__head{
  font-family:var(--font-mono);
  font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--orange);
}
.tz-sub__title{margin-top:10px;font-size:16px;font-weight:800;line-height:1.5;color:var(--ink)}
.tz-sub__meta{
  margin-top:5px;
  font-family:var(--font-mono);
  font-size:12px;line-height:1.6;letter-spacing:.04em;
  color:var(--muted);
}
.tz-sub__list{
  margin-top:14px;padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;flex-direction:column;gap:6px;
}
.tz-sub__link{
  display:flex;align-items:center;gap:8px;
  padding:7px 10px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:14px;font-weight:600;
  color:var(--muted);
  transition:color .18s ease, background .18s ease, border-color .18s ease;
}
.tz-sub__link::before{content:"›";color:var(--orange);font-weight:800}
.tz-sub__link:hover{
  color:var(--amber);
  background:rgba(255,209,102,.09);
  border-color:rgba(255,209,102,.3);
}

.tz-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

.tz-burger{
  display:none;
  align-items:center;gap:9px;
  padding:9px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(19,28,58,.85);
  color:var(--ink);
  font-size:13px;font-weight:700;letter-spacing:.06em;
}
.tz-burger:hover{border-color:var(--amber);color:var(--amber)}
.tz-burger__bars{display:grid;gap:3px;width:18px}
.tz-burger__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .2s ease, opacity .2s ease;
}
.tz-burger[aria-expanded="true"] .tz-burger__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.tz-burger[aria-expanded="true"] .tz-burger__bars span:nth-child(2){opacity:0}
.tz-burger[aria-expanded="true"] .tz-burger__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 14. 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:2;
  margin-top:72px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(19,28,58,.42), #080E1E 62%);
}
.tz-foot__top{padding:56px 0 34px}
.tz-foot__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:32px;
}
.tz-foot__col{min-width:0}
.tz-foot__brand{
  font-size:24px;font-weight:800;letter-spacing:.02em;
  text-shadow:2px 2px 0 rgba(255,122,47,.32);
}
.tz-foot__desc{margin-top:12px;max-width:34ch;color:var(--muted);font-size:15px;line-height:1.75}
.tz-foot__net{
  margin-top:16px;
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.12em;
  color:var(--cyan);
}
.tz-foot__title{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--orange);
}
.tz-foot__list{display:flex;flex-direction:column;gap:9px}
.tz-foot__list a{
  display:inline-block;
  color:var(--muted);
  font-size:15px;
  transition:color .18s ease, transform .18s ease;
}
.tz-foot__list a:hover{color:var(--amber);transform:translateX(3px)}
.tz-foot__contact{display:flex;flex-direction:column;gap:14px}
.tz-foot__key{
  display:block;
  margin-bottom:3px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);
  opacity:.8;
}
.tz-foot__val{
  display:block;
  font-family:var(--font-mono);
  font-size:14px;letter-spacing:.02em;
  color:var(--ink);
  word-break:break-all;
}
.tz-foot__val--text{
  font-family:var(--font-sans);
  font-size:15px;
  line-height:1.7;
  word-break:normal;
  color:#DAD6C9;
}
.tz-foot__bottom{
  border-top:1px solid var(--line);
  background:rgba(8,13,26,.72);
}
.tz-foot__bottom-inner{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:8px 20px;
  padding:18px 0;
  font-size:13px;
  color:var(--muted);
}
.tz-foot__legal{letter-spacing:.06em}
.tz-foot__meta{display:flex;flex-wrap:wrap;gap:16px;margin-left:auto}
.tz-foot__meta a{color:var(--muted)}
.tz-foot__meta a:hover{color:var(--amber)}

/* ---------- 15. 响应式 ---------- */
@media (max-width:1080px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tz-foot__grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .tz-foot__col:last-child{grid-column:1 / -1}
}

@media (max-width:960px){
  :root{--shell-w:100%}
  html{scroll-padding-top:150px}

  .tz-burger{display:inline-flex}
  .tz-brand__text{font-size:18px}

  .tz-nav{
    position:absolute;
    top:calc(100% + 1px);
    left:0;right:0;
    margin:0;
    padding:14px;
    display:none;
    max-height:calc(100vh - 150px);
    overflow-y:auto;
    border:1px solid var(--line);
    border-radius:0 0 18px 18px;
    background:linear-gradient(180deg, #16214A, #0C142C);
    box-shadow:0 24px 44px rgba(3,6,16,.62);
  }
  .tz-nav[data-open]{display:block}
  .tz-nav__list{flex-direction:column;align-items:stretch;gap:4px}
  .tz-nav__link{
    width:100%;
    justify-content:space-between;
    padding:13px 14px;
    font-size:16px;
  }
  .tz-nav__link[aria-current="page"]::after{margin-left:auto}
  .tz-nav .tz-nav__item--has-sub .tz-sub{
    position:static;
    width:auto;
    display:none;
    margin-top:8px;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
  }
  .tz-nav .tz-nav__item--has-sub[data-open] .tz-sub{display:block}

  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--stagger > *:nth-child(even){margin-top:0}
}

@media (max-width:820px){
  .section{padding:48px 0}
  .tz-foot__grid{grid-template-columns:1fr 1fr}
  .tz-foot__col:last-child{grid-column:auto}
  .tz-foot__bottom-inner{font-size:12px}
  .tz-foot__meta{margin-left:0;width:100%}
}

@media (max-width:720px){
  .tz-bar__tagline{display:none}
  .tz-bar__net{margin-left:0}
  .tz-bar__inner{font-size:11px;letter-spacing:.1em}
  .tz-brand__sub{display:none}
  .tz-brand__mark{width:38px;height:38px;border-radius:11px}
  .tz-brand__text{font-size:17px}
  .tz-actions .btn{padding:8px 12px;font-size:12px}
  .tz-burger{padding:8px 11px}
  .tz-burger__text{display:none}
  .grid--2,
  .grid--3,
  .grid--4{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:520px){
  .container{width:calc(100% - 32px)}
  .tz-nav-shell__inner{gap:12px;min-height:60px}
  .tz-actions{gap:6px}
  .tz-actions .btn{padding:7px 10px;font-size:11px}
  .tz-foot__grid{grid-template-columns:1fr;gap:26px}
  .panel{padding:18px}
  .section__title{text-shadow:2px 2px 0 rgba(139,92,246,.22)}
}

@media (min-width:1100px){
  .tz-rail{display:flex}
}

/* ---------- 16. 可访问性偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .tz-progress__bar{transition:none}
}