/* ============================================================
   澳门1877 · 共享样式表 /assets/site.css
   深夜门户：墨蓝底 + 门内暖光 + 霓虹金节奏
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root{
  --ink-900:#070E1F;
  --ink-800:#101A33;
  --ink-700:#1B2745;
  --gold:#F5B94A;
  --gold-soft:#FFE1A3;
  --tile:#CFE3DE;
  --tile-dim:#8FA9A6;
  --brick:#C9563C;
  --signal:#3FD0C9;
  --frost:#E9EFF8;

  --line:rgba(143,169,166,.26);
  --line-soft:rgba(143,169,166,.14);
  --line-gold:rgba(245,185,74,.42);

  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --font-mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --shell-max:1280px;
  --gutter:clamp(20px,4vw,56px);
  --header-h:68px;
  --radius:2px;

  --shadow-1:0 1px 0 rgba(0,0,0,.45),0 14px 30px -20px rgba(0,0,0,.95);
  --shadow-2:0 2px 0 rgba(0,0,0,.5),0 26px 48px -22px rgba(0,0,0,1);

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

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--frost);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.004em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video,canvas{max-width:100%;display:block;}
a{color:inherit;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
hr{border:0;border-top:1px solid var(--line);margin:0;}
table{border-collapse:collapse;width:100%;}
[hidden]{display:none !important;}

/* ---------- 3. 排版 ---------- */
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;line-height:1.16;color:var(--frost);}
h1{font-size:clamp(36px,5.4vw,56px);}
h2{font-size:clamp(28px,3.6vw,40px);}
h3{font-size:clamp(22px,2.4vw,28px);}
h4{font-size:20px;}
h5{font-size:17px;font-weight:700;letter-spacing:0;}
small{font-size:13px;}
b,strong{font-weight:700;}

.mono{
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.data-num{
  font-family:var(--font-mono);
  font-size:1em;
  letter-spacing:.04em;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold);
}
.kicker::before{content:"";width:22px;height:1px;background:var(--gold);flex:none;}
.rule-label{
  display:flex;
  align-items:center;
  gap:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--tile-dim);
}
.rule-label::after{content:"";flex:1;height:1px;background:var(--line);}
.vertical-note{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.34em;
  text-transform:uppercase;
  color:var(--tile-dim);
}
.hairline{height:1px;background:var(--line);border:0;}
.hairline--gold{background:linear-gradient(90deg,var(--gold),rgba(245,185,74,0));}

/* ---------- 4. 无障碍 ---------- */
:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
  border-radius:1px;
}
.skip-link{
  position:absolute;
  left:12px;
  top:-120%;
  z-index:200;
  background:var(--gold);
  color:#070E1F;
  padding:10px 18px;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  border-radius:var(--radius);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px;}

/* ---------- 5. 布局骨架 ---------- */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
main{padding-top:var(--header-h);}
main:has(> [data-hero]){padding-top:0;}
.band{position:relative;padding:clamp(56px,8vw,110px) 0;}
.band--ink800{background:var(--ink-800);}
.band--ink700{background:var(--ink-700);}
.band--edge{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.band--tight{padding:clamp(36px,5vw,64px) 0;}

.grid{display:grid;gap:clamp(16px,2.2vw,30px);}
.grid-12{grid-template-columns:repeat(12,minmax(0,1fr));}
.span-3{grid-column:span 3;}
.span-4{grid-column:span 4;}
.span-5{grid-column:span 5;}
.span-6{grid-column:span 6;}
.span-7{grid-column:span 7;}
.span-8{grid-column:span 8;}
.span-9{grid-column:span 9;}
.span-12{grid-column:span 12;}

.split{
  display:grid;
  gap:clamp(24px,4vw,64px);
  grid-template-columns:minmax(0,7fr) minmax(0,4fr);
}
.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:clamp(26px,3.4vw,44px);}
.section-head h2{max-width:24ch;}
.section-head p{max-width:62ch;color:rgba(233,239,248,.72);font-size:16px;}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:11px 20px;
  border:1px solid var(--line-gold);
  border-radius:var(--radius);
  background:transparent;
  color:var(--gold-soft);
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  position:relative;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn-solid{
  background:var(--gold);
  border-color:var(--gold);
  color:#0A1224;
  font-weight:700;
}
.btn-solid:hover{background:var(--gold-soft);border-color:var(--gold-soft);color:#070E1F;}
.btn-ghost{border-color:rgba(207,227,222,.32);color:var(--tile);}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-soft);background:rgba(245,185,74,.06);}

/* ---------- 7. 头部 ---------- */
.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:90;
  background:var(--ink-900);
  border-bottom:1px solid var(--line-gold);
  transition:background .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
body[data-header="overlay"] .site-header:not([data-scrolled]){
  background:transparent;
  border-bottom-color:transparent;
}
.site-header[data-scrolled]{
  background:var(--ink-900);
  border-bottom-color:var(--line-gold);
  box-shadow:0 18px 40px -34px rgba(0,0,0,1);
}
.header-inner{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
  height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:clamp(14px,2.6vw,40px);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  color:var(--frost);
  flex:none;
}
.brand-mark{
  position:relative;
  width:28px;
  height:28px;
  flex:none;
  display:grid;
  place-items:center;
  border:1px solid rgba(245,185,74,.55);
  border-radius:1px;
  background:linear-gradient(180deg,#101A33,#070E1F);
}
.brand-mark::before{
  content:"";
  width:2px;
  height:70%;
  background:linear-gradient(180deg,var(--gold-soft),var(--gold));
  box-shadow:0 0 12px rgba(245,185,74,.85);
  transition:height .3s var(--ease);
}
.brand:hover .brand-mark::before{height:88%;}
.brand-text{display:flex;flex-direction:column;gap:1px;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.02em;line-height:1.15;}
.brand-note{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.08em;
  color:var(--tile-dim);
  line-height:1.3;
}

.primary-nav{
  display:flex;
  align-items:center;
  gap:clamp(14px,2.4vw,34px);
}
.nav-list{display:flex;align-items:center;gap:clamp(12px,1.8vw,26px);}
.nav-list a{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:6px 0;
  font-size:14.5px;
  line-height:1.3;
  color:var(--tile);
  text-decoration:none;
  white-space:nowrap;
  transition:color .22s var(--ease);
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-2px;
  height:2px;
  background:var(--gold-soft);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.nav-list a:hover{color:var(--frost);}
.nav-list a:hover::after,
.nav-list a:focus-visible::after{transform:scaleX(1);}
.nav-list a[aria-current="page"]{color:var(--gold);font-weight:700;}
.nav-list a[aria-current="page"]::after{transform:scaleX(1);background:var(--gold);}
.nav-list a[aria-current="page"] .nav-index{color:var(--gold-soft);}
.nav-index{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.06em;
  color:var(--tile-dim);
  transition:color .22s var(--ease);
}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn{padding:9px 15px;font-size:13px;}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:1px solid rgba(207,227,222,.28);
  border-radius:var(--radius);
  background:transparent;
  color:var(--tile);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold);color:var(--gold-soft);}
.nav-toggle-bars{display:grid;gap:4px;width:18px;flex:none;}
.nav-toggle-bars i{
  display:block;
  width:100%;
  height:1px;
  background:currentColor;
  transition:transform .25s var(--ease),opacity .25s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1){transform:translateY(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(-5px) rotate(-45deg);}

.header-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:transparent;
  overflow:hidden;
}
.header-progress-bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background:linear-gradient(90deg,var(--gold),var(--gold-soft));
  transition:transform .12s linear;
}

/* ---------- 8. 面包屑 ---------- */
.breadcrumb{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--tile-dim);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";color:rgba(143,169,166,.5);}
.breadcrumb li:last-child::after{content:none;}
.breadcrumb a{
  color:var(--tile);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.breadcrumb a:hover{color:var(--gold);border-bottom-color:var(--gold);}
.breadcrumb [aria-current="page"]{color:var(--gold);}

/* ---------- 9. 长文容器 ---------- */
.prose{
  font-size:17px;
  line-height:1.85;
  color:rgba(233,239,248,.86);
  max-width:74ch;
}
.prose > * + *{margin-top:1.1em;}
.prose h2{margin-top:2.2em;font-size:clamp(24px,2.8vw,32px);}
.prose h3{margin-top:1.8em;font-size:clamp(20px,2.1vw,24px);}
.prose h4{margin-top:1.6em;}
.prose ul{padding-left:0;}
.prose ul li{position:relative;padding-left:1.15em;}
.prose ul li + li{margin-top:.5em;}
.prose ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.82em;
  width:9px;
  height:1px;
  background:var(--gold);
}
.prose ol{list-style:decimal;padding-left:1.4em;}
.prose ol li + li{margin-top:.5em;}
.prose a{
  color:var(--gold-soft);
  text-decoration:none;
  border-bottom:1px solid rgba(245,185,74,.45);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.prose a:hover{color:var(--gold);border-bottom-color:var(--gold);}
.prose blockquote{
  border-left:2px solid var(--tile);
  padding-left:20px;
  color:var(--tile);
  font-size:16px;
}
.prose code{
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.04em;
  color:var(--gold);
  background:rgba(245,185,74,.07);
  padding:2px 6px;
  border-radius:1px;
}
.prose strong{color:var(--frost);}

/* ---------- 10. 通用组件 ---------- */
.panel{
  background:var(--ink-700);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(20px,2.6vw,30px);
  box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.panel:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(245,185,74,.28);}

.notice{
  border-left:2px solid var(--brick);
  background:rgba(201,86,60,.08);
  padding:16px 20px;
  font-size:15px;
  line-height:1.8;
  color:rgba(233,239,248,.86);
}
.notice--tile{border-left-color:var(--tile);background:rgba(207,227,222,.06);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--tile);
  white-space:nowrap;
}
.tag--gold{border-color:var(--line-gold);color:var(--gold);}
.tag--brick{border-color:rgba(201,86,60,.55);color:#E3907A;}
.tag--signal{border-color:rgba(63,208,201,.45);color:var(--signal);}

.status-dot{
  width:7px;
  height:7px;
  flex:none;
  border-radius:50%;
  background:var(--signal);
  box-shadow:0 0 10px rgba(63,208,201,.85);
}
.status-dot--gold{background:var(--gold);box-shadow:0 0 10px rgba(245,185,74,.85);}

/* ---------- 11. 图片容器基础规则 ---------- */
.figure{display:flex;flex-direction:column;gap:10px;margin:0;}
.figure-frame{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(150deg,#101A33 0%,#0A1226 55%,#070E1F 100%);
  aspect-ratio:var(--ratio,16/10);
  box-shadow:var(--shadow-1);
}
.figure-frame img,
.figure-frame picture,
.figure-frame > .figure-media{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
  object-fit:cover;
}
.figure-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(233,239,248,.07) 1px,transparent 1px);
  background-size:3px 3px;
  opacity:.45;
  mix-blend-mode:overlay;
}
.figure-frame--seam{
  box-shadow:inset 0 0 0 1px rgba(245,185,74,.22),var(--shadow-1);
  border-color:var(--line-gold);
}
.figure-frame--wide{--ratio:21/9;}
.figure-frame--tall{--ratio:3/4;}
.figure-frame--square{--ratio:1/1;}
.figure-cap{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--tile-dim);
  line-height:1.6;
}

/* ---------- 12. 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--ink-900);
  border-top:1px solid var(--line);
  color:var(--frost);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(245,185,74,.6) 32%,rgba(63,208,201,.35) 72%,transparent);
}

.footer-archive{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px 28px;
  padding:16px clamp(20px,5vw,80px);
  border-bottom:1px solid var(--line-soft);
}
.archive-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--tile-dim);
  flex:none;
}
.archive-strip{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 26px;
}
.archive-strip li{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.archive-strip li span{color:var(--tile-dim);}
.archive-strip li b{color:var(--gold);font-weight:600;}

.footer-inner{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding:clamp(40px,5vw,68px) var(--gutter);
  display:grid;
  gap:clamp(28px,4vw,52px);
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
}
.footer-brand{display:flex;flex-direction:column;gap:12px;}
.footer-mark{
  font-size:26px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
  color:var(--frost);
}
.footer-tagline{
  font-size:15px;
  line-height:1.8;
  color:rgba(233,239,248,.72);
  max-width:36ch;
}
.footer-meta{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--tile-dim);
  line-height:1.75;
}
.footer-col{display:flex;flex-direction:column;gap:16px;}
.footer-col-title{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--gold);
  padding-bottom:12px;
  border-bottom:1px solid var(--line-soft);
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  display:inline-block;
  font-size:15px;
  color:var(--tile);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a:hover{color:var(--gold-soft);border-bottom-color:var(--gold);transform:translateX(2px);}

.footer-base{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding:22px var(--gutter) 34px;
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-direction:column;
  gap:8px;
}
.footer-base-line{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--tile-dim);
  line-height:1.8;
}
.footer-base-legal{color:rgba(207,227,222,.62);}

/* ---------- 13. 进入视区渐显 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .primary-nav{
    position:fixed;
    left:0;
    right:0;
    top:var(--header-h);
    display:grid;
    gap:0;
    padding:10px var(--gutter) 26px;
    background:var(--ink-900);
    border-bottom:1px solid var(--line-gold);
    box-shadow:0 40px 60px -40px rgba(0,0,0,1);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    pointer-events:none;
    transform:translateY(-12px);
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
  }
  .primary-nav[data-open="true"]{
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transform:none;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list a{
    width:100%;
    padding:15px 0;
    font-size:17px;
    border-bottom:1px solid var(--line-soft);
  }
  .nav-list a::after{display:none;}
  .nav-list a[aria-current="page"]{color:var(--gold);}
  .nav-cta{flex-direction:column;align-items:stretch;gap:10px;margin-top:20px;}
  .nav-cta .btn{width:100%;padding:13px 18px;font-size:14px;}
}

@media (max-width:980px){
  .split{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:900px){
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr));}
  .span-3,.span-4,.span-5{grid-column:span 3;}
  .span-6,.span-7,.span-8,.span-9,.span-12{grid-column:span 6;}
}

@media (max-width:640px){
  :root{--header-h:60px;}
  body{font-size:16.5px;}
  .grid-12{grid-template-columns:1fr;}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-9,.span-12{grid-column:1 / -1;}
  .footer-inner{grid-template-columns:1fr;}
  .brand-note{display:none;}
  .nav-toggle-label{display:none;}
  .footer-archive{padding-inline:var(--gutter);}
  .archive-strip{gap:8px 18px;}
}

/* ---------- 15. 动效降级 ---------- */
@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;}
  .panel:hover,.btn:hover,.footer-links a:hover{transform:none;}
}