/* ==========================================================================
   澳门新葡萄新京5303 · 地标新章 —— /assets/site.css
   共享外壳：重置 / 变量 / 中文排版 / 浮动胶囊页头 / 基座页脚 / 通用组件
   ========================================================================== */

/* 1 —— 重置 -------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0}

/* 2 —— 设计变量 ---------------------------------------------------------- */
:root{
  --ink:#071A2B;
  --ink-2:#0E2A3F;
  --grape:#6B3FA0;
  --grape-lift:#9A6BD6;
  --crimson:#D62F45;
  --lime:#A8E063;
  --cream:#F4EFE6;
  --mist:#9AAEC0;
  --copper:#C9974E;
  --void:#05090F;
  --text:#D8E2EA;

  --line:rgba(154,174,192,.22);
  --line-soft:rgba(154,174,192,.12);
  --line-warm:rgba(201,151,78,.42);

  --wrap:1180px;
  --gutter:clamp(18px,4vw,44px);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:14px;

  --shadow-hard:0 14px 0 -8px rgba(5,9,15,.55),0 30px 60px -34px rgba(0,0,0,.85);
  --shadow-lift:0 18px 0 -9px rgba(5,9,15,.65),0 34px 54px -30px rgba(0,0,0,.9);
  --ease:cubic-bezier(.22,.7,.3,1);

  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}

/* 3 —— 基础排版（中文优先） ---------------------------------------------- */
body{
  font-family:var(--sans);
  font-size:clamp(16px,1.02vw,17px);
  line-height:1.78;
  color:var(--text);
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 560px at 84% -12%,rgba(107,63,160,.45),transparent 62%),
    radial-gradient(880px 520px at -10% 8%,rgba(14,42,63,.95),transparent 60%),
    linear-gradient(180deg,#071A2B 0%,#061523 52%,#05090F 100%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{color:var(--cream);font-weight:800;line-height:1.2;letter-spacing:.01em}
h1{font-size:clamp(2.1rem,5.6vw,3.6rem);letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,3.2vw,2.25rem)}
h3{font-size:clamp(1.1rem,1.9vw,1.4rem)}
p{max-width:72ch}
strong{color:var(--cream);font-weight:800}
small{font-size:.82em;color:var(--mist)}

::selection{background:var(--lime);color:var(--void)}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:3px solid var(--lime);
  outline-offset:3px;
  border-radius:8px;
}

/* 4 —— 布局容器 ---------------------------------------------------------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(38px,6vw,80px)}
.section + .section{padding-top:0}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.26em;
  color:var(--copper);
}
.eyebrow::before{
  content:"";
  width:28px;
  height:2px;
  background:var(--copper);
  flex:none;
}

/* 5 —— 页头：悬浮胶囊浮岛 ------------------------------------------------ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:clamp(10px,1.5vw,16px) var(--gutter) clamp(10px,1.5vw,14px);
  background:linear-gradient(180deg,rgba(7,26,43,.96) 0%,rgba(7,26,43,.74) 62%,rgba(7,26,43,0) 100%);
}
.scroll-rail{
  position:fixed;
  top:0;
  left:0;
  right:0;
  height:3px;
  z-index:120;
  background:rgba(154,107,214,.16);
  pointer-events:none;
}
.scroll-rail__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--grape) 0%,var(--grape-lift) 48%,var(--lime) 100%);
  transition:width .12s linear;
}
.skip-link{
  position:fixed;
  top:10px;
  left:14px;
  z-index:200;
  transform:translateY(-180%);
  padding:12px 20px;
  border:2px solid var(--void);
  border-radius:var(--r-pill);
  background:var(--lime);
  color:var(--void);
  font-weight:800;
  font-size:14px;
  transition:transform .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0)}

.masthead{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,2vw,20px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:10px clamp(12px,1.8vw,18px);
  border:2px solid var(--line-warm);
  border-radius:var(--r-pill);
  background:linear-gradient(180deg,rgba(14,42,63,.94),rgba(7,26,43,.94));
  box-shadow:0 20px 42px -28px #000,inset 0 1px 0 rgba(244,239,230,.09);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
}

/* 品牌灯标 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:none;
  padding:4px 6px 4px 2px;
  border-radius:var(--r-pill);
}
.brand__mark{
  position:relative;
  flex:none;
  width:36px;
  height:36px;
  border:2px solid var(--copper);
  border-radius:11px;
  background:conic-gradient(from 210deg,var(--grape),var(--ink-2) 62%,var(--grape-lift));
  box-shadow:inset 0 0 0 3px rgba(5,9,15,.62);
  overflow:hidden;
}
.brand__mark::before{
  content:"";
  position:absolute;
  inset:7px 8px 5px;
  background:linear-gradient(180deg,var(--lime),rgba(168,224,99,.22));
  clip-path:polygon(50% 0,100% 36%,88% 100%,12% 100%,0 36%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16;min-width:0}
.brand__name{
  font-size:15px;
  font-weight:800;
  color:var(--cream);
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand__name b{color:var(--lime);letter-spacing:.05em}
.brand__tag{
  margin-top:2px;
  font-size:10.5px;
  font-weight:700;
  letter-spacing:.34em;
  color:var(--copper);
}

/* 导航 */
.primary-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  min-width:0;
}
.nav-list{display:flex;align-items:center;gap:2px;flex-wrap:nowrap}
.nav-link{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:9px 13px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  color:var(--mist);
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-link__num{
  font-size:10px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--copper);
  opacity:.85;
}
.nav-link:hover{
  color:var(--cream);
  background:rgba(154,107,214,.18);
  border-color:rgba(154,107,214,.42);
}
.nav-link[aria-current="page"]{
  color:var(--cream);
  background:linear-gradient(180deg,rgba(107,63,160,.62),rgba(107,63,160,.3));
  border-color:rgba(168,224,99,.6);
  box-shadow:inset 0 0 0 1px rgba(5,9,15,.42),0 6px 16px -10px rgba(168,224,99,.7);
}
.nav-link[aria-current="page"] .nav-link__num{color:var(--lime);opacity:1}
.nav-cta{margin-left:6px;flex:none}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 16px;
  border:2px solid var(--line-warm);
  border-radius:var(--r-pill);
  background:rgba(7,26,43,.72);
  color:var(--cream);
  font-size:12px;
  font-weight:800;
  letter-spacing:.18em;
}
.nav-toggle__bars{
  position:relative;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--cream);
  transition:background .18s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--cream);
  transition:transform .2s var(--ease),top .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:0;transform:rotate(45deg);background:var(--lime)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:0;transform:rotate(-45deg);background:var(--lime)}

/* 6 —— 按钮 -------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border:2px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:800;
  letter-spacing:.03em;
  text-align:center;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.btn--accent{
  background:var(--crimson);
  color:#fff;
  border-color:rgba(244,239,230,.22);
  box-shadow:0 6px 0 rgba(5,9,15,.6);
}
.btn--accent:hover{
  transform:translateY(-2px);
  box-shadow:0 9px 0 rgba(5,9,15,.62),0 16px 30px -18px rgba(214,47,69,.9);
}
.btn--ghost{
  background:transparent;
  color:var(--cream);
  border-color:rgba(244,239,230,.32);
}
.btn--ghost:hover{
  color:var(--lime);
  border-color:rgba(168,224,99,.72);
  background:rgba(168,224,99,.1);
}
.btn:active{transform:translateY(0)}

/* 7 —— 面包屑 ------------------------------------------------------------ */
.crumbs{font-size:13px;color:var(--mist)}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs__list li{display:inline-flex;align-items:center;gap:8px}
.crumbs__list li:not(:last-child)::after{content:"/";color:rgba(154,174,192,.45)}
.crumb{color:var(--mist);transition:color .16s var(--ease)}
.crumb:hover{color:var(--lime)}
.crumb[aria-current="page"]{color:var(--cream);font-weight:700}

/* 8 —— 网格 -------------------------------------------------------------- */
.grid{display:grid;gap:clamp(14px,2.2vw,26px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(238px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(196px,1fr))}

/* 9 —— 编号章节 ---------------------------------------------------------- */
.chapter{
  display:flex;
  align-items:flex-start;
  gap:clamp(12px,2vw,22px);
  margin-bottom:clamp(18px,3vw,32px);
}
.chapter__num{
  flex:none;
  font-size:clamp(38px,7vw,84px);
  font-weight:800;
  line-height:.82;
  letter-spacing:-.04em;
  color:transparent;
  -webkit-text-stroke:2px rgba(154,107,214,.78);
}
.chapter__title{font-size:clamp(1.3rem,2.9vw,2rem);color:var(--cream)}
.chapter__note{
  margin-left:auto;
  align-self:stretch;
  writing-mode:vertical-rl;
  font-size:11px;
  font-weight:700;
  letter-spacing:.34em;
  color:var(--copper);
  opacity:.9;
}

/* 10 —— 卡片 ------------------------------------------------------------- */
.card{
  position:relative;
  padding:clamp(18px,2.4vw,28px);
  border:2px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(165deg,rgba(14,42,63,.94),rgba(7,26,43,.76));
  box-shadow:0 10px 0 -6px rgba(5,9,15,.6);
  overflow:hidden;
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.card::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:4px;
  background:linear-gradient(90deg,var(--grape),var(--crimson));
  opacity:.55;
  transition:opacity .2s var(--ease);
}
.card:hover,
.card:focus-within{
  transform:translateY(-4px);
  border-color:rgba(168,224,99,.52);
  box-shadow:var(--shadow-lift);
}
.card:hover::after,
.card:focus-within::after{opacity:1}
.card__num{
  display:block;
  font-size:clamp(26px,3.6vw,44px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--copper);
  margin-bottom:12px;
}
.card__title{font-size:clamp(1.05rem,1.7vw,1.25rem);color:var(--cream);margin-bottom:8px}
.card__text{color:var(--text);font-size:.95rem;line-height:1.7}

/* 11 —— 标签 ------------------------------------------------------------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border:1px solid rgba(154,107,214,.55);
  border-radius:var(--r-pill);
  background:rgba(107,63,160,.24);
  color:var(--cream);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}
.tag--lime{
  border-color:rgba(168,224,99,.62);
  background:rgba(168,224,99,.14);
  color:var(--lime);
}

/* 12 —— 指标 ------------------------------------------------------------- */
.stat{
  padding:clamp(14px,2vw,20px) 0;
  border-top:2px solid var(--line);
}
.stat__value{
  display:block;
  font-size:clamp(30px,5vw,52px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.02em;
  color:var(--cream);
}
.stat__label{
  display:block;
  margin-top:8px;
  font-size:12.5px;
  letter-spacing:.16em;
  color:var(--mist);
}

/* 13 —— 图片与设备容器（页面阶段放入 <img>） ----------------------------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  border:2px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(107,63,160,.38),rgba(14,42,63,.92));
  box-shadow:var(--shadow-hard);
  overflow:hidden;
}
.media-frame--ratio{aspect-ratio:16/10}
.media-frame__img,
.media-frame img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.device-frame{
  position:relative;
  padding:10px;
  border:3px solid rgba(244,239,230,.18);
  border-radius:26px;
  background:linear-gradient(180deg,#0B2237,#061523);
  box-shadow:inset 0 0 0 1px rgba(168,224,99,.14),var(--shadow-hard);
}
.device-frame > .media-frame{border-radius:16px;border-color:rgba(154,107,214,.38)}

/* 14 —— 页脚基座 --------------------------------------------------------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  border-top:2px solid var(--line-warm);
  background:linear-gradient(180deg,#05090F 0%,#04070B 100%);
  color:var(--cream);
  overflow:hidden;
}
.footer-plinth{
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(154,107,214,.09) 0 1px,transparent 1px 84px),
    repeating-linear-gradient(0deg,rgba(154,107,214,.06) 0 1px,transparent 1px 84px);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
  mask-image:linear-gradient(180deg,#000 0%,transparent 78%);
}
.footer-inner{
  position:relative;
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(38px,6vw,72px) var(--gutter) clamp(22px,3vw,34px);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1.5fr);
  gap:clamp(24px,4vw,60px);
}
.footer-brand{min-width:0}
.footer-name{
  font-size:clamp(1.35rem,2.6vw,1.9rem);
  font-weight:800;
  line-height:1.15;
  color:var(--cream);
  letter-spacing:.01em;
}
.footer-name span{color:var(--copper);letter-spacing:.04em}
.footer-summary{
  margin-top:12px;
  max-width:38ch;
  font-size:.94rem;
  line-height:1.75;
  color:var(--mist);
}
.footer-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-top:16px;
  padding:7px 14px;
  border:1px solid rgba(168,224,99,.42);
  border-radius:var(--r-pill);
  background:rgba(168,224,99,.1);
  color:var(--lime);
  font-size:12px;
  font-weight:700;
  letter-spacing:.05em;
}
.footer-badge__dot{
  width:8px;
  height:8px;
  flex:none;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(168,224,99,.18);
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(18px,3vw,34px);
}
.footer-col{min-width:0}
.footer-col__title{
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:1px solid var(--line-soft);
  font-size:12px;
  font-weight:800;
  letter-spacing:.24em;
  color:var(--copper);
}
.footer-links{display:grid;gap:9px}
.footer-link{
  display:inline-block;
  color:var(--mist);
  font-size:.94rem;
  line-height:1.6;
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer-link:hover{color:var(--lime);transform:translateX(3px)}
.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(216px,1fr));
  gap:clamp(14px,2.4vw,28px);
  margin-top:clamp(28px,4vw,44px);
  padding-block:clamp(18px,2.6vw,24px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.contact-item{min-width:0}
.contact-label{
  display:block;
  font-size:11.5px;
  font-weight:800;
  letter-spacing:.22em;
  color:var(--copper);
}
.contact-value{
  display:block;
  margin-top:6px;
  font-size:.96rem;
  font-weight:700;
  color:var(--cream);
  overflow-wrap:anywhere;
}
.footer-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 22px;
  padding-top:clamp(16px,2.4vw,22px);
}
.footer-legal{
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--mist);
}
.footer-meta-links{display:flex;flex-wrap:wrap;gap:6px 18px}
.footer-meta-links .footer-link{font-size:12.5px}
.footer-copy{font-size:12.5px;letter-spacing:.06em;color:rgba(154,174,192,.8)}

/* 15 —— 返回顶端（由 JS 注入） ------------------------------------------- */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,28px);
  bottom:clamp(14px,3vw,28px);
  z-index:90;
  display:grid;
  place-items:center;
  width:54px;
  height:54px;
  border:2px solid var(--lime);
  border-radius:50%;
  background:rgba(7,26,43,.92);
  color:var(--lime);
  font-size:12px;
  font-weight:800;
  letter-spacing:.1em;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),background .2s var(--ease);
}
.to-top[data-show]{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(168,224,99,.18)}

/* 16 —— 响应式 ----------------------------------------------------------- */
@media (min-width:1041px) and (max-width:1240px){
  .nav-link{padding:8px 10px;font-size:13px}
  .nav-link__num{display:none}
  .brand__tag{letter-spacing:.24em}
}

@media (max-width:1040px){
  .site-header{padding-inline:clamp(12px,3vw,22px)}
  .masthead{border-radius:24px;padding:9px 12px}
  .nav-toggle{display:inline-flex}
  .primary-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:14px;
    border:2px solid var(--line-warm);
    border-radius:22px;
    background:linear-gradient(180deg,rgba(10,32,50,.985),rgba(6,18,30,.985));
    box-shadow:var(--shadow-lift);
    max-height:calc(100vh - 150px);
    overflow-y:auto;
  }
  .primary-nav[data-open]{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;width:100%}
  .nav-link{
    justify-content:flex-start;
    padding:13px 14px;
    border-radius:14px;
    font-size:15px;
    white-space:normal;
  }
  .nav-link__num{display:inline-block;font-size:11px}
  .nav-cta{margin:10px 0 0;width:100%}
  .footer-top{grid-template-columns:1fr}
  .footer-summary{max-width:60ch}
}

@media (max-width:680px){
  .brand__tag{display:none}
  .brand__mark{width:32px;height:32px}
  .brand__name{font-size:14px}
  .chapter{flex-wrap:wrap;align-items:center}
  .chapter__note{writing-mode:horizontal-tb;margin-left:0;letter-spacing:.24em}
  .footer-meta{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-meta-links{gap:6px 14px}
  .to-top{width:48px;height:48px;font-size:11px}
}

@media (max-width:400px){
  .nav-toggle__label{display:none}
  .brand__name{font-size:13px}
}

/* 17 —— 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;
  }
  .card:hover,
  .card:focus-within{transform:none}
  .footer-link:hover{transform:none}
  .btn--accent:hover{transform:none}
}