/* ==========================================================================
   澳门新京葡8888 · 共享站点样式 /assets/site.css
   深海墨绿为海 · 鎏金为航线 · 电光青为刻度 · 暖橙为灯塔
   ========================================================================== */

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
table{width:100%;border-collapse:collapse;}
hr{border:0;}

/* ---------- tokens ---------- */
:root{
  --ink:#0A1F1C;
  --ink-2:#0F2B27;
  --ink-3:#081916;
  --gold:#D4AF37;
  --gold-soft:#F0D98C;
  --cyan:#00E5C3;
  --orange:#FF8A3D;
  --text:#E6F0EE;
  --muted:#9BB8B2;
  --glass:rgba(18,48,43,0.7);
  --line:#2A4A44;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-body:"Inter","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  --shell-max:1200px;
  --gutter:clamp(1.1rem,4vw,2.5rem);
  --radius-cut:4px 16px 4px 16px;
  --shadow-deep:0 26px 60px -44px #000;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- base ---------- */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 620px at 12% -12%, rgba(0,229,195,.10), transparent 62%),
    radial-gradient(880px 520px at 98% 4%, rgba(212,175,55,.09), transparent 58%),
    radial-gradient(700px 700px at 50% 120%, rgba(255,138,61,.05), transparent 60%);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.25;letter-spacing:.01em;}
h1{font-size:clamp(2rem,5.4vw,3.6rem);}
h2{font-size:clamp(1.4rem,3.2vw,2.2rem);}
h3{font-size:clamp(1.1rem,2.2vw,1.4rem);}
p{text-wrap:pretty;}
::selection{background:rgba(0,229,195,.28);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px;}

/* ---------- layout ---------- */
.shell{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(2rem,6vw,4.5rem);}
.section__head{max-width:56ch;}
.section__title{margin-top:.7rem;}
.section__lede{margin-top:.8rem;color:var(--muted);font-size:clamp(.98rem,1.6vw,1.08rem);}
.section__note{
  margin-top:1.1rem;padding-left:.9rem;border-left:2px solid var(--cyan);
  font-size:.84rem;color:var(--muted);letter-spacing:.04em;
}
.grid{display:grid;gap:clamp(1rem,2.6vw,1.8rem);}
.grid--hub{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);align-items:start;}
.divider{height:1px;margin-block:clamp(1.6rem,4vw,3rem);
  background:linear-gradient(90deg,transparent,var(--line) 12%,var(--line) 88%,transparent);}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;
  font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);}
.eyebrow::before{content:"";width:2rem;height:1px;background:linear-gradient(90deg,var(--gold),transparent);}
.text-gold{color:var(--gold);}
.text-cyan{color:var(--cyan);}
.text-muted{color:var(--muted);}
.num{font-family:var(--font-display);font-weight:700;color:var(--gold);font-size:1.55em;line-height:1;}
.tag{display:inline-flex;align-items:center;gap:.35rem;padding:.22rem .62rem;
  border:1px solid rgba(0,229,195,.35);border-radius:99px;background:rgba(0,229,195,.06);
  font-size:.68rem;letter-spacing:.16em;color:var(--cyan);white-space:nowrap;}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;left:1rem;top:-5rem;z-index:200;
  padding:.6rem 1.1rem;background:linear-gradient(135deg,var(--gold-soft),var(--gold));
  color:#08201C;font-weight:700;font-size:.85rem;letter-spacing:.08em;border-radius:2px;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:.75rem;}

/* ---------- scroll progress ---------- */
.scroll-progress{
  position:fixed;inset:0 0 auto 0;height:2px;z-index:150;pointer-events:none;
  background:rgba(0,229,195,.08);
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--gold) 58%,var(--orange));
  transition:transform .12s linear;
}

/* ---------- header : upper deck ---------- */
.site-header{position:relative;z-index:60;}
.header-top{
  background:linear-gradient(90deg,#071613,var(--ink) 48%,#0C2622);
  border-bottom:1px solid var(--line);
  color:var(--muted);
  font-size:.76rem;
  letter-spacing:.06em;
}
.header-top__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.35rem 1.4rem;padding-block:.6rem;
}
.header-top__tag{color:var(--gold-soft);}
.header-top__aux{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1.2rem;}
.header-top__aux span{color:var(--muted);}
.header-top__cta{
  color:var(--cyan);border-bottom:1px solid rgba(0,229,195,.4);padding-bottom:1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.header-top__cta:hover{color:var(--orange);border-color:var(--orange);}

/* ---------- header : sticky keel ---------- */
.header-bar{
  position:sticky;top:0;z-index:60;
  background:rgba(10,31,28,.86);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header[data-scrolled] .header-bar{
  background:rgba(7,22,19,.96);
  border-bottom-color:rgba(212,175,55,.35);
  box-shadow:0 22px 46px -34px rgba(0,0,0,.95);
}
.header-bar__inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding-block:.68rem;
}
.brand{display:inline-flex;align-items:center;gap:.7rem;min-width:0;}
.brand__glyph{
  flex:none;width:2.4rem;height:2.4rem;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:1.05rem;line-height:1;
  color:#08201C;border-radius:var(--radius-cut);
  background:linear-gradient(150deg,var(--gold-soft),var(--gold) 55%,#A8862A);
  box-shadow:0 12px 26px -16px rgba(212,175,55,.95),inset 0 0 0 1px rgba(255,255,255,.28);
}
.brand__text{display:flex;flex-direction:column;min-width:0;line-height:1.18;}
.brand__name{
  font-family:var(--font-display);font-weight:700;font-size:1.02rem;
  letter-spacing:.08em;color:var(--gold-soft);white-space:nowrap;
}
.brand__sub{
  font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  white-space:nowrap;
}

/* ---------- nav toggle ---------- */
.nav-toggle{
  display:none;align-items:center;gap:.55rem;
  padding:.5rem .75rem;border:1px solid var(--line);border-radius:3px;
  color:var(--cyan);font-size:.78rem;letter-spacing:.14em;
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);background:rgba(0,229,195,.08);}
.nav-toggle__bars{display:grid;gap:3px;width:16px;}
.nav-toggle__bars span{display:block;height:1.5px;background:currentColor;transition:transform .25s var(--ease),opacity .18s linear;}
.header-bar[data-open] .nav-toggle__bars span:nth-child(1){transform:translateY(4.5px) rotate(45deg);}
.header-bar[data-open] .nav-toggle__bars span:nth-child(2){opacity:0;}
.header-bar[data-open] .nav-toggle__bars span:nth-child(3){transform:translateY(-4.5px) rotate(-45deg);}

/* ---------- primary nav ---------- */
.primary-nav__list{display:flex;align-items:center;gap:.12rem;}
.primary-nav__list a{
  position:relative;display:block;padding:.5rem .82rem;border-radius:3px;
  font-size:.86rem;letter-spacing:.06em;color:var(--text);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.primary-nav__list a::after{
  content:"";position:absolute;left:.82rem;right:.82rem;bottom:.2rem;height:1px;
  background:linear-gradient(90deg,var(--cyan),var(--gold));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .28s var(--ease);
}
.primary-nav__list a:hover{color:var(--cyan);background:rgba(0,229,195,.07);}
.primary-nav__list a:hover::after{transform:scaleX(1);}
.primary-nav__list a[aria-current="page"]{color:var(--gold);font-weight:600;}
.primary-nav__list a[aria-current="page"]::after{
  transform:scaleX(1);background:linear-gradient(90deg,var(--gold),var(--gold-soft));
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.74rem 1.2rem;border-radius:3px;border:1px solid transparent;
  font-size:.88rem;font-weight:600;letter-spacing:.08em;
  transition:transform .2s var(--ease),background-color .2s var(--ease),
             box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,var(--orange),#E86A18);color:#1A0D03;
  box-shadow:0 16px 34px -20px rgba(255,138,61,.95);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 22px 40px -20px rgba(255,138,61,.95);}
.btn--ghost{border-color:rgba(0,229,195,.45);color:var(--cyan);background:rgba(0,229,195,.05);}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--cyan);background:rgba(0,229,195,.13);}
.btn--quiet{border-color:var(--line);color:var(--gold-soft);background:rgba(15,43,39,.6);}
.btn--quiet:hover{transform:translateY(-2px);border-color:rgba(212,175,55,.6);}

/* ---------- breadcrumbs ---------- */
.breadcrumbs{padding-block:1.1rem;font-size:.76rem;letter-spacing:.08em;color:var(--muted);}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;}
.breadcrumbs li{display:inline-flex;align-items:center;gap:.4rem;}
.breadcrumbs li+li::before{content:"/";color:var(--line);}
.breadcrumbs a{color:var(--muted);transition:color .2s var(--ease);}
.breadcrumbs a:hover{color:var(--cyan);}
.breadcrumbs [aria-current="page"]{color:var(--gold-soft);}

/* ---------- prose ---------- */
.prose{max-width:68ch;font-size:1.02rem;}
.prose p+p{margin-top:1rem;}
.prose h2{margin-top:2.3rem;color:var(--gold-soft);}
.prose h3{margin-top:1.7rem;color:var(--gold-soft);}
.prose strong{color:var(--gold-soft);}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(0,229,195,.35);}
.prose a:hover{color:var(--orange);border-color:var(--orange);}
.prose ul{margin-top:.9rem;}
.prose ul li{position:relative;padding-left:1.25rem;margin-top:.5rem;color:var(--text);}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:.55rem;height:1px;background:var(--cyan);
}

/* ---------- card ---------- */
.card{
  position:relative;padding:clamp(1.05rem,2.4vw,1.6rem);
  background:linear-gradient(160deg,rgba(15,43,39,.95),rgba(10,31,28,.9));
  border:1px solid var(--line);border-radius:var(--radius-cut);
  box-shadow:var(--shadow-deep);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(212,175,55,.45);
  box-shadow:0 34px 66px -46px #000;}
.card--glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.card__meta{font-size:.7rem;letter-spacing:.18em;color:var(--muted);}
.card__title{margin-top:.45rem;font-size:clamp(1.05rem,2vw,1.28rem);color:var(--gold-soft);}
.card__body{margin-top:.6rem;color:var(--muted);font-size:.94rem;}

/* ---------- panel (专题研究板) ---------- */
.panel{
  padding:clamp(1rem,2.2vw,1.5rem);
  background:rgba(15,43,39,.55);
  border:1px solid var(--line);border-left:3px solid var(--gold);
}
.panel__head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1rem;
  padding-bottom:.6rem;margin-bottom:.9rem;border-bottom:1px dashed var(--line);
}
.panel__title{font-size:1.05rem;color:var(--gold-soft);}
.panel__body{font-size:.95rem;color:var(--muted);}

/* ---------- figure (图片容器基础规则) ---------- */
.figure{margin:0;}
.figure__frame{
  position:relative;overflow:hidden;aspect-ratio:16/10;
  border:1px solid var(--line);border-radius:var(--radius-cut);
  background:
    radial-gradient(120% 120% at 22% 0%, rgba(0,229,195,.14), transparent 58%),
    linear-gradient(150deg,var(--ink-2),var(--ink-3));
}
.figure__frame--tall{aspect-ratio:3/4;}
.figure__frame--wide{aspect-ratio:21/9;}
.figure__frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,20,17,0) 46%,rgba(6,20,17,.72));
}
.figure__img{width:100%;height:100%;object-fit:cover;}
.figure__caption{margin-top:.65rem;font-size:.78rem;color:var(--muted);letter-spacing:.04em;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;margin-top:clamp(3rem,8vw,7rem);
  background:linear-gradient(180deg,#081B18,var(--ink) 42%,#061513);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--cyan),var(--gold),transparent);
  opacity:.65;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;
  gap:clamp(1.5rem,4vw,3rem);
  padding-block:clamp(2.4rem,6vw,4.2rem) 2rem;
}
.footer-brand__name{
  font-family:var(--font-display);font-size:1.25rem;letter-spacing:.08em;color:var(--gold-soft);
}
.footer-brand__desc{margin-top:.7rem;color:var(--muted);font-size:.92rem;max-width:34ch;}
.footer-brand__meta{
  margin-top:.9rem;padding-top:.7rem;border-top:1px dashed var(--line);
  font-size:.72rem;letter-spacing:.14em;color:var(--muted);
}
.footer-col__title{
  position:relative;padding-bottom:.6rem;margin-bottom:.9rem;
  font-family:var(--font-display);font-size:.92rem;letter-spacing:.18em;color:var(--gold);
}
.footer-col__title::after{
  content:"";position:absolute;left:0;bottom:0;width:2.2rem;height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.footer-links li+li{margin-top:.5rem;}
.footer-links a{
  position:relative;display:inline-block;padding-left:.9rem;
  color:var(--muted);font-size:.9rem;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a::before{
  content:"";position:absolute;left:0;top:.72em;width:.45rem;height:1px;
  background:var(--line);transition:background-color .2s var(--ease),width .2s var(--ease);
}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-links a:hover::before{background:var(--cyan);width:.65rem;}
.footer-contact__item{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:.15rem .6rem;align-items:center;
  padding-block:.6rem;border-bottom:1px dashed var(--line);
}
.footer-contact__item:first-child{padding-top:0;}
.footer-contact__item--plain{border-bottom:0;}
.footer-contact__label{
  grid-column:1/-1;font-size:.68rem;letter-spacing:.2em;color:var(--muted);
}
.footer-contact__value{font-size:.88rem;color:var(--text);word-break:break-word;}
.copy-btn{
  justify-self:end;padding:.24rem .58rem;border:1px solid var(--line);border-radius:99px;
  font-size:.66rem;letter-spacing:.14em;color:var(--cyan);
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.copy-btn:hover{border-color:var(--cyan);background:rgba(0,229,195,.1);}
.copy-btn[data-copied="true"]{color:var(--orange);border-color:var(--orange);background:rgba(255,138,61,.1);}
.footer-col__note{
  margin-top:1rem;font-size:.76rem;line-height:1.65;color:var(--muted);
  padding-left:.8rem;border-left:2px solid var(--line);
}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.4rem 1.5rem;padding-block:1.15rem 1.6rem;
  border-top:1px solid var(--line);
  font-size:.74rem;letter-spacing:.06em;color:var(--muted);
}
.footer-base__icp{color:var(--gold-soft);}
.footer-base__copy{color:var(--muted);}

/* ---------- reveal ---------- */
html.has-js [data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
html.has-js [data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- responsive : tablet ---------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .footer-col--contact{grid-column:1/-1;}
}

/* ---------- responsive : mobile nav ---------- */
@media (max-width:900px){
  .header-top__inner{font-size:.72rem;}
  .nav-toggle{display:inline-flex;}
  .primary-nav{
    position:absolute;left:0;right:0;top:100%;
    padding-inline:var(--gutter);
    max-height:0;overflow:hidden;visibility:hidden;
    background:linear-gradient(180deg,rgba(8,25,22,.98),rgba(10,31,28,.99));
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 50px -34px #000;
    transition:max-height .32s var(--ease),visibility .32s var(--ease);
  }
  .header-bar[data-open] .primary-nav{
    max-height:32rem;visibility:visible;padding-block:1rem 1.5rem;
  }
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:.15rem;}
  .primary-nav__list a{
    padding:.72rem .85rem;border-radius:3px;border-left:2px solid transparent;
  }
  .primary-nav__list a::after{display:none;}
  .primary-nav__list a[aria-current="page"]{
    border-left-color:var(--gold);background:rgba(212,175,55,.08);
  }
  .grid--hub{grid-template-columns:1fr;}
}

/* ---------- responsive : small ---------- */
@media (max-width:640px){
  body{font-size:15.5px;}
  .brand__sub{display:none;}
  .brand__glyph{width:2.1rem;height:2.1rem;font-size:.95rem;}
  .footer-grid{grid-template-columns:1fr;gap:2rem;}
  .footer-col--contact{grid-column:auto;}
  .footer-base{flex-direction:column;align-items:flex-start;}
  .header-top__aux{gap:.3rem .9rem;}
}

/* ---------- motion preferences ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html.has-js [data-reveal]{opacity:1;transform:none;}
  .card:hover,.btn:hover,.footer-links a:hover{transform:none;}
}