/* ============================================================
   /assets/site.css — 金多宝赛场 共享外壳
   分层：tokens → reset → 排版 → 外壳 → 组件 → 动效 → 响应式
   ============================================================ */

:root{
  --midnight:#0A1A2F;
  --turf:#0E2A22;
  --gold:#E8B23A;
  --amber:#FF7A1A;
  --cyan:#2FE0C8;
  --cream:#F4EFE4;
  --ink:#16110C;
  --mist:#C7D1DC;
  --goldmist:#FFF7E6;
  --deepblue:#123A6B;
  --scarlet:#D8402A;

  --rail-w:266px;
  --header-h:66px;
  --wrap:1200px;
  --gut:clamp(18px,4vw,44px);

  --r-xs:6px;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:26px;

  --skew-a:-3deg;
  --skew-b:3deg;

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

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

/* ---------------- reset ---------------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 14px);
}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.78;
  letter-spacing:.008em;
  color:var(--cream);
  background:var(--midnight);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,h5{margin:0 0 .6em;line-height:1.16;letter-spacing:-.025em;font-weight:900;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;}
img,svg,video,picture{max-width:100%;}
button,input,select,textarea{font:inherit;color:inherit;}
hr{border:0;height:1px;background:rgba(199,209,220,.24);margin:0;}
#main-content{display:block;min-height:60vh;}

/* ---------------- 焦点与可访问性 ---------------- */
:where(a,button,summary,[tabindex],input,select,textarea):focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:var(--r-xs);
}
.skip-link{
  position:fixed;
  top:0;
  left:0;
  z-index:200;
  display:inline-block;
  padding:11px 20px;
  background:var(--gold);
  color:var(--ink);
  font-weight:800;
  font-size:14px;
  text-decoration:none;
  border-radius:0 0 12px 0;
  transform:translateY(-140%);
  transition:transform .22s var(--ease);
}
.skip-link:focus{transform:translateY(0);}

/* ---------------- 排版工具 ---------------- */
.display{
  margin:0 0 .3em;
  font-size:clamp(2.5rem,7.2vw,5.4rem);
  line-height:1.01;
  letter-spacing:-.048em;
  font-weight:900;
}
.h-sec{
  margin:0 0 .55em;
  font-size:clamp(1.68rem,3.4vw,2.55rem);
  letter-spacing:-.032em;
}
.lede{
  margin:0;
  max-width:64ch;
  font-size:clamp(1rem,1.4vw,1.13rem);
  line-height:1.82;
  color:var(--mist);
  letter-spacing:.012em;
}
.section--cream .lede{color:#4c4136;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{
  content:"";
  width:28px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--gold));
}
.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.rule{
  height:2px;
  border:0;
  margin:clamp(24px,4vw,48px) 0;
  background:linear-gradient(90deg,rgba(232,178,58,.9),rgba(47,224,200,.4) 45%,transparent);
}

/* ---------------- 布局容器 ---------------- */
.wrap{
  width:min(100% - (var(--gut) * 2), var(--wrap));
  margin-inline:auto;
}
.section{
  position:relative;
  padding-block:clamp(52px,8vw,104px);
}
.section--midnight{background:var(--midnight);}
.section--turf{background:var(--turf);}
.section--deep{background:linear-gradient(135deg,var(--midnight) 0%,var(--deepblue) 55%,var(--turf) 100%);}
.section--cream{background:var(--cream);color:var(--ink);}
.grid{display:grid;gap:clamp(18px,2.6vw,32px);}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(258px,1fr));}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(214px,1fr));}
.stack > * + *{margin-top:var(--stack,18px);}

/* ---------------- 表面与卡片 ---------------- */
.glass{
  background:rgba(255,247,230,.06);
  border:1px solid rgba(199,209,220,.2);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.panel{
  padding:clamp(18px,2.4vw,28px);
  background:rgba(255,247,230,.05);
  border:1px solid rgba(199,209,220,.18);
  border-radius:var(--r-md);
}
.panel--light{
  background:var(--goldmist);
  border-color:rgba(22,17,12,.12);
  color:var(--ink);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border:1px solid rgba(47,224,200,.45);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.09em;
  color:var(--cyan);
  white-space:nowrap;
}
.tag--amber{border-color:rgba(255,122,26,.5);color:var(--amber);}
.tag--gold{border-color:rgba(232,178,58,.55);color:var(--gold);}
.tag--red{border-color:rgba(216,64,42,.55);color:var(--scarlet);}

/* ---------------- 按钮 ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 21px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:14.5px;
  font-weight:800;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .18s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn--gold{
  background:var(--gold);
  color:var(--ink);
  box-shadow:0 14px 30px -18px rgba(232,178,58,.95);
}
.btn--gold:hover{background:var(--amber);color:var(--ink);}
.btn--ghost{
  background:rgba(47,224,200,.06);
  border-color:rgba(47,224,200,.55);
  color:var(--goldmist);
}
.btn--ghost:hover{background:rgba(47,224,200,.15);border-color:var(--cyan);}
.btn--block{width:100%;}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.45;pointer-events:none;}

/* ---------------- 面包屑 ---------------- */
.breadcrumb{
  margin:0 0 20px;
  font-size:13px;
  letter-spacing:.04em;
  color:var(--mist);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li+li::before{
  content:"/";
  margin-right:8px;
  color:rgba(232,178,58,.75);
}
.breadcrumb a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid rgba(199,209,220,.35);
  transition:color .2s,border-color .2s;
}
.breadcrumb a:hover{color:var(--goldmist);border-color:var(--cyan);}
.breadcrumb [aria-current="page"]{color:var(--gold);}
.section--cream .breadcrumb,
.section--cream .breadcrumb a{color:#5a4c3d;}

/* ---------------- 图片容器基础规则 ---------------- */
.img-frame{
  position:relative;
  display:block;
  overflow:hidden;
  isolation:isolate;
  border:1px solid rgba(199,209,220,.22);
  border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--deepblue) 0%,var(--turf) 100%);
}
.img-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(10,26,47,0) 46%,rgba(10,26,47,.74) 100%);
}
.img-frame > img,
.img-frame > picture,
.img-frame > picture > img,
.img-frame > svg{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.img-frame--16x9{aspect-ratio:16/9;}
.img-frame--4x3{aspect-ratio:4/3;}
.img-frame--1x1{aspect-ratio:1/1;}
.img-frame--3x4{aspect-ratio:3/4;}
.img-frame--21x9{aspect-ratio:21/9;}
.img-frame--skew{border-radius:var(--r-sm);}
.img-caption{
  margin:10px 0 0;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--mist);
}
.section--cream .img-caption{color:#6a5b4a;}

/* ============================================================
   页头：桌面端左侧轨道 / 移动端顶部品牌签 + 抽屉
   ============================================================ */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
  height:var(--header-h);
  color:var(--cream);
  background:linear-gradient(180deg,#0A1A2F 0%,#0E2A22 100%);
  border-bottom:1px solid rgba(199,209,220,.18);
}

.rail-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:4;
  height:3px;
  width:var(--progress,0%);
  background:linear-gradient(90deg,var(--cyan),var(--gold));
  pointer-events:none;
}

.rail{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:100%;
  padding:0 14px;
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  min-width:0;
  text-decoration:none;
  color:inherit;
}
.brand__mark{
  flex:0 0 auto;
  display:grid;
  place-items:center;
  width:42px;
  height:42px;
  border:1px solid rgba(232,178,58,.55);
  border-radius:13px;
  background:radial-gradient(circle at 30% 24%,rgba(232,178,58,.32),rgba(47,224,200,.09) 72%);
  box-shadow:inset 0 0 0 1px rgba(255,247,230,.08);
}
.brand__mark svg{display:block;width:25px;height:25px;}
.brand__text{display:flex;flex-direction:column;min-width:0;}
.brand__name{
  display:block;
  font-size:16.5px;
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.25;
  white-space:nowrap;
}
.brand__line{
  display:block;
  margin-top:1px;
  font-size:11px;
  letter-spacing:.07em;
  color:var(--mist);
  white-space:nowrap;
  transition:opacity .26s var(--ease);
}

/* 移动抽屉按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 14px;
  border:1px solid rgba(232,178,58,.5);
  border-radius:999px;
  background:rgba(255,247,230,.04);
  color:var(--goldmist);
  font-size:13px;
  font-weight:800;
  letter-spacing:.05em;
  cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);background:rgba(47,224,200,.12);}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  gap:4px;
  width:16px;
}
.nav-toggle__bars span{
  display:block;
  height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .26s var(--ease),opacity .2s var(--ease);
}
.site-header[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-header[data-open] .nav-toggle__bars span:nth-child(2){opacity:0;}
.site-header[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-toggle__label{line-height:1;}

/* 导航本体（移动优先：抽屉） */
.site-nav{
  position:fixed;
  top:var(--header-h);
  right:0;
  bottom:0;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:18px;
  width:min(86vw,352px);
  padding:22px 18px 30px;
  overflow-y:auto;
  background:linear-gradient(180deg,#0A1A2F 0%,#0E2A22 100%);
  border-left:1px solid rgba(232,178,58,.4);
  transform:translateX(102%);
  visibility:hidden;
  transition:transform .34s var(--ease),visibility .34s linear;
}
.site-header[data-open] .site-nav{
  transform:translateX(0);
  visibility:visible;
}

.site-nav__title{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:rgba(199,209,220,.66);
}
.site-nav__list{
  display:flex;
  flex-direction:column;
  gap:5px;
  margin:0;
  padding:0;
  list-style:none;
}
.site-nav__item{min-width:0;}
.nav-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:11px;
  padding:12px 13px;
  border:1px solid transparent;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:700;
  letter-spacing:.012em;
  text-decoration:none;
  color:var(--mist);
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.nav-link__num{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.06em;
  color:rgba(232,178,58,.72);
}
.nav-link__label{position:relative;}
.nav-link__label::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:-4px;
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--gold));
  transition:right .3s var(--ease);
}
.nav-link:hover{
  color:var(--goldmist);
  background:rgba(255,247,230,.05);
  border-color:rgba(47,224,200,.42);
}
.nav-link:hover .nav-link__label::after{right:0;}
.nav-link[aria-current="page"]{
  color:var(--ink);
  background:var(--gold);
  border-color:var(--gold);
  box-shadow:0 12px 26px -18px rgba(232,178,58,.98);
}
.nav-link[aria-current="page"] .nav-link__num{color:rgba(22,17,12,.66);}
.nav-link[aria-current="page"] .nav-link__label::after{display:none;}

.site-nav__foot{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid rgba(199,209,220,.16);
}
.rail__meta{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(199,209,220,.62);
}

/* 移动端遮罩 */
@media (max-width:999px){
  body{padding-top:var(--header-h);}
  .nav-toggle{display:inline-flex;}
  .site-header[data-open]::before{
    content:"";
    position:fixed;
    left:0;
    right:0;
    top:var(--header-h);
    bottom:0;
    z-index:1;
    background:rgba(3,8,16,.72);
  }
}

/* 桌面端：左侧轨道 */
@media (min-width:1000px){
  body{padding-left:var(--rail-w);}
  .site-header{
    top:0;
    bottom:0;
    right:auto;
    width:var(--rail-w);
    height:auto;
    border-bottom:0;
    border-right:1px solid rgba(199,209,220,.18);
  }
  .site-header::after{
    content:"";
    position:absolute;
    top:0;
    right:0;
    width:22px;
    height:100%;
    pointer-events:none;
    opacity:.55;
    background-image:repeating-linear-gradient(180deg,rgba(199,209,220,.34) 0 1px,transparent 1px 20px);
    -webkit-mask-image:linear-gradient(180deg,transparent,#000 10%,#000 90%,transparent);
    mask-image:linear-gradient(180deg,transparent,#000 10%,#000 90%,transparent);
  }
  .rail-progress{
    left:0;
    right:auto;
    bottom:auto;
    top:0;
    width:3px;
    height:var(--progress,0%);
    background:linear-gradient(180deg,var(--cyan),var(--gold));
  }
  .rail{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:26px;
    padding:26px 20px 24px;
    transition:padding .3s var(--ease);
  }
  .site-header[data-condensed] .rail{padding-top:18px;}
  .site-header[data-condensed] .brand__line{opacity:0;}
  .site-nav{
    position:static;
    flex:1 1 auto;
    min-height:0;
    width:auto;
    padding:0;
    overflow:visible;
    border-left:0;
    background:none;
    transform:none;
    visibility:visible;
    transition:none;
  }
  .site-nav__list{gap:4px;}
  .nav-link{font-size:14.5px;padding:11px 12px;}
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  padding:clamp(46px,7vw,86px) 0 0;
  overflow:hidden;
  color:var(--cream);
  background:linear-gradient(180deg,#0A1A2F 0%,#0E2A22 62%,#081422 100%);
  border-top:1px solid rgba(232,178,58,.32);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:4px;
  opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(232,178,58,.78) 0 2px,transparent 2px 12px);
}
.site-footer::after{
  content:"";
  position:absolute;
  right:-140px;
  bottom:-180px;
  width:440px;
  height:440px;
  border-radius:50%;
  pointer-events:none;
  background:radial-gradient(circle,rgba(47,224,200,.15),transparent 66%);
}
.footer__inner{
  position:relative;
  z-index:1;
  width:min(100% - (var(--gut) * 2), var(--wrap));
  margin-inline:auto;
}
.footer__grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(30px,4vw,60px);
}
.footer__brand{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
}
.footer__brand .brand__mark{width:48px;height:48px;}
.footer__brandline{
  margin:0;
  font-size:17px;
  font-weight:900;
  letter-spacing:-.015em;
}
.footer__closing{
  margin:0;
  max-width:34ch;
  font-size:14.5px;
  color:var(--mist);
}
.footer__cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:26px;
}
.footer__col{min-width:0;}
.footer__col-title{
  margin:0 0 13px;
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:700;
  font-style:normal;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
}
.footer__list{
  display:flex;
  flex-direction:column;
  gap:9px;
  margin:0;
  padding:0;
  list-style:none;
}
.footer__link{
  display:inline-block;
  font-size:14.5px;
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer__link:hover{color:var(--goldmist);border-color:var(--cyan);}
.footer__meta{
  display:grid;
  gap:8px;
  margin-top:clamp(32px,4vw,52px);
  padding:clamp(18px,3vw,26px);
  border:1px solid rgba(199,209,220,.2);
  border-radius:var(--r-md);
  background:rgba(255,247,230,.05);
}
.footer__contact{
  margin:0;
  font-size:14.5px;
  color:var(--goldmist);
  word-break:break-word;
}
.footer__hours{
  margin:0;
  max-width:74ch;
  font-size:13.5px;
  color:var(--mist);
}
.footer__bar{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(26px,3vw,40px);
  padding:18px 0 28px;
  border-top:1px solid rgba(199,209,220,.18);
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer__legal{color:rgba(232,178,58,.85);}

@media (min-width:620px){
  .footer__cols{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (min-width:760px){
  .footer__grid{grid-template-columns:minmax(0,1fr) minmax(0,1.55fr);}
}

/* ============================================================
   动效
   ============================================================ */
[data-reveal]{
  transition:opacity .46s var(--ease),transform .46s var(--ease);
  transition-delay:var(--d,0ms);
}
[data-reveal].is-out{
  opacity:0;
  transform:translateY(20px);
}
@keyframes rhythm-pulse{
  0%,100%{transform:scale(1);opacity:.86;}
  50%{transform:scale(1.04);opacity:1;}
}
.pulse{
  animation:rhythm-pulse 2.4s ease-in-out infinite;
  transform-origin:center;
}

@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],
  [data-reveal].is-out{
    opacity:1 !important;
    transform:none !important;
  }
  .skip-link{transition:none;}
}

/* ---------------- 打印与降级 ---------------- */
@media print{
  .site-header,.skip-link,.rail-progress,.nav-toggle{display:none !important;}
  body{padding:0 !important;background:#fff;color:#16110C;}
  .site-footer{background:#fff;color:#16110C;border-top:1px solid #16110C;}
}