/* ==========================================================================
   澳门游戏娱乐正 CN 官方主站 — 共享样式 /assets/site.css
   夜蓝底 · 钴蓝骨架 · 奶油白纸面 · 葡式瓷砖脊线
   ========================================================================== */

:root{
  --night:#070B1F;
  --night-soft:#0A1030;
  --paper-deep:#0E1633;
  --cobalt:#1B3A8F;
  --cobalt-bright:#2F6BE0;
  --cream:#F5EFE2;
  --paper-edge:#E4D8BE;
  --jade:#0FA37F;
  --gold:#E8B34A;
  --neon:#FF5C7A;
  --mist:#C9D4F0;
  --ink:#101A33;

  --line-dark:rgba(201,212,240,.16);
  --line-dark-2:rgba(201,212,240,.28);
  --line-light:rgba(16,26,51,.14);
  --line-cream:rgba(228,216,190,.22);

  --font-head:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --header-h:72px;
  --page-max:1200px;
  --wide-max:1440px;
  --gutter:clamp(16px,4vw,40px);

  --radius-s:4px;
  --radius-m:10px;
  --radius-l:18px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:180ms;
  --t-mid:240ms;

  --shadow-paper:0 20px 44px -28px rgba(3,7,22,.95), 0 1px 0 0 rgba(228,216,190,.22);
  --shadow-lift:0 26px 54px -30px rgba(3,7,22,1), 0 1px 0 0 rgba(228,216,190,.34);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--night);
  background-image:
    radial-gradient(1200px 620px at 10% -10%, rgba(47,107,224,.26), transparent 62%),
    radial-gradient(940px 520px at 98% 4%, rgba(15,163,127,.15), transparent 66%),
    radial-gradient(820px 520px at 46% 112%, rgba(232,179,74,.11), transparent 70%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  color:var(--cream);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.9;
  min-height:100vh;
  overflow-x:hidden;
}
img,picture,svg,video{max-width:100%;}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-head);
  font-weight:800;
  line-height:1.24;
  letter-spacing:-.02em;
}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--cobalt-bright);text-decoration:none;}
a:hover{color:var(--neon);}
button{font:inherit;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
hr{border:0;border-top:1px solid var(--line-dark);margin:2em 0;}
::selection{background:rgba(47,107,224,.55);color:#fff;}

:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
  border-radius:var(--radius-s);
}

.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}

/* ---------- 通用容器与基础组件 ---------- */
.container{
  width:100%;
  max-width:var(--page-max);
  margin:0 auto;
  padding:0 var(--gutter);
}
.container--wide{max-width:var(--wide-max);}
.stack > * + *{margin-top:1.1em;}
.stack-lg > * + *{margin-top:clamp(24px,3.4vw,48px);}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-dark-2) 18%,var(--line-dark-2) 82%,transparent);border:0;margin:0;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold);
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--gold);display:block;}

.section-band{
  display:flex;align-items:center;gap:clamp(10px,2vw,20px);
  padding:10px clamp(12px,2vw,20px);
  border-radius:var(--radius-s);
  background:linear-gradient(90deg,var(--cobalt) 0%,rgba(27,58,143,.72) 46%,rgba(14,22,51,0) 100%);
  border-left:3px solid var(--gold);
}
.band-index{
  font-family:var(--font-mono);
  font-size:13px;font-weight:600;
  color:var(--gold);
  padding:2px 8px;
  border:1px solid rgba(232,179,74,.45);
  border-radius:var(--radius-s);
  line-height:1.5;
}
.band-title{
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(1rem,1.6vw,1.25rem);
  letter-spacing:-.01em;
  color:var(--cream);
}

.paper{
  position:relative;
  background:var(--cream);
  color:var(--ink);
  border-radius:var(--radius-m);
  border:1px solid var(--paper-edge);
  box-shadow:var(--shadow-paper);
  padding:clamp(20px,3.2vw,40px);
}
.paper h2,.paper h3,.paper h4{color:var(--ink);}
.paper a{color:#1B3A8F;}
.paper a:hover{color:#B8352F;}
.paper .muted,.paper .field-note{color:#4A5570;}
.paper::before{
  content:"";
  position:absolute;inset:6px;
  border:1px solid rgba(16,26,51,.10);
  border-radius:calc(var(--radius-m) - 4px);
  pointer-events:none;
}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;
  color:var(--mist);
  margin:0 0 18px;
}
.breadcrumb a{color:var(--mist);}
.breadcrumb a:hover{color:var(--cream);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li + li::before{content:"/";color:rgba(201,212,240,.4);}
.breadcrumb [aria-current="page"]{color:var(--gold);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  border-radius:999px;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--cobalt-bright),var(--cobalt) 58%,#16307a);
  color:#fff;
  border-color:rgba(245,239,226,.24);
  box-shadow:0 10px 24px -16px rgba(47,107,224,.95);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(255,92,122,.72);color:#fff;}
.btn-ghost{
  background:rgba(14,22,51,.6);
  color:var(--cream);
  border-color:var(--line-dark-2);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--gold);color:var(--gold);}
.btn-paper{
  background:transparent;color:#1B3A8F;border-color:rgba(27,58,143,.35);
}
.btn-paper:hover{background:rgba(27,58,143,.08);color:#B8352F;border-color:rgba(184,53,47,.45);}

.grid{display:grid;gap:clamp(18px,2.6vw,32px);}
.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));}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.06em;
  border:1px solid var(--line-dark-2);
  color:var(--mist);
  background:rgba(14,22,51,.55);
}
.tag--gold{border-color:rgba(232,179,74,.5);color:var(--gold);background:rgba(232,179,74,.10);}
.tag--jade{border-color:rgba(15,163,127,.5);color:var(--jade);background:rgba(15,163,127,.10);}

/* ---------- 图片容器基础规则 ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  width:100%;
  border-radius:var(--radius-m);
  border:1px solid var(--line-cream);
  background:
    linear-gradient(158deg,rgba(47,107,224,.30),rgba(15,163,127,.18) 52%,rgba(232,179,74,.16)),
    var(--paper-deep);
  box-shadow:var(--shadow-paper);
}
.media-frame > img,
.media-frame > picture > img,
.media-frame > video{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.media-frame[data-ratio="21/9"]{aspect-ratio:21/9;}
.media-frame[data-ratio="16/9"]{aspect-ratio:16/9;}
.media-frame[data-ratio="4/3"]{aspect-ratio:4/3;}
.media-frame[data-ratio="1/1"]{aspect-ratio:1/1;}
.media-frame[data-ratio="3/4"]{aspect-ratio:3/4;}
.media-frame::after{
  content:"";
  position:absolute;inset:6px;
  border:1px solid rgba(245,239,226,.18);
  border-radius:calc(var(--radius-m) - 4px);
  pointer-events:none;
}
.media-frame--flat{box-shadow:none;border-color:var(--line-dark);}
.media-caption{
  margin:10px 0 0;
  font-size:12px;
  color:var(--mist);
  line-height:1.75;
}

/* ---------- 显现协议 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease);
}
[data-reveal][data-revealed]{opacity:1;transform:none;}

/* ==========================================================================
   头部 · 紧凑命令栏
   ========================================================================== */
.skip-link{
  position:fixed;
  left:50%;top:0;
  transform:translate(-50%,-130%);
  z-index:200;
  padding:10px 22px;
  background:var(--gold);
  color:var(--ink);
  font-size:14px;font-weight:700;
  text-decoration:none;
  border-radius:0 0 var(--radius-m) var(--radius-m);
  transition:transform var(--t-fast) var(--ease);
}
.skip-link:focus{transform:translate(-50%,0);color:var(--ink);}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg,rgba(7,11,31,.97),rgba(7,11,31,.90));
  border-bottom:1px solid var(--line-dark);
  transition:box-shadow var(--t-mid) var(--ease);
}
.site-header[data-scrolled]{box-shadow:0 18px 38px -28px rgba(0,0,0,1);}

.header-stripe{
  height:5px;
  background-color:var(--cobalt);
  background-image:
    repeating-linear-gradient(90deg,rgba(245,239,226,.30) 0 1px,transparent 1px 24px),
    linear-gradient(90deg,var(--cobalt) 0%,var(--cobalt-bright) 42%,var(--jade) 70%,var(--gold) 100%);
  background-blend-mode:overlay;
}

.header-bar{position:relative;}

.header-inner{
  position:relative;
  max-width:var(--wide-max);
  margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:clamp(14px,2.4vw,36px);
  transition:min-height var(--t-mid) var(--ease);
}
.site-header[data-scrolled] .header-inner{min-height:58px;}

/* 品牌铭牌 */
.brand{
  display:flex;
  flex-direction:column;
  gap:2px;
  text-decoration:none;
  color:var(--cream);
  padding:6px 0;
  min-width:0;
}
.brand:hover{color:var(--cream);}
.brand-mark{
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(15px,1.5vw,19px);
  letter-spacing:-.02em;
  line-height:1.24;
  white-space:nowrap;
}
.brand-meta{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:10.5px;
  letter-spacing:.10em;
  color:var(--mist);
  white-space:nowrap;
}
.brand-dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--jade);
  box-shadow:0 0 0 3px rgba(15,163,127,.18);
  flex:none;
}
.brand-sep{color:rgba(201,212,240,.38);padding:0 1px;}

/* 栏目索引 */
.nav{min-width:0;justify-self:center;}
.nav-caption{display:none;}
.nav-list{
  display:flex;
  align-items:center;
  gap:clamp(2px,.9vw,12px);
}
.nav-item{display:block;}
.nav-link{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:6px;
  padding:9px 10px;
  border-radius:var(--radius-s);
  color:var(--mist);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  text-decoration:none;
  transition:color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease);
}
.nav-num{
  font-size:10px;
  letter-spacing:.06em;
  color:rgba(201,212,240,.42);
  transition:color var(--t-fast) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:2px;
  height:2px;
  background:var(--cobalt-bright);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t-mid) var(--ease);
}
.nav-link:hover{color:var(--cream);background-color:rgba(47,107,224,.12);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link:hover .nav-num{color:var(--gold);}
.nav-link[aria-current="page"]{
  color:var(--cream);
  background-color:rgba(47,107,224,.16);
}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}
.nav-link[aria-current="page"] .nav-num{color:var(--gold);}

/* 工具区 */
.header-tools{
  display:flex;
  align-items:center;
  gap:8px;
  justify-self:end;
}
.tool-btn{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 13px;
  border-radius:999px;
  border:1px solid var(--line-dark-2);
  background:rgba(14,22,51,.55);
  color:var(--mist);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease);
}
.tool-btn:hover{color:var(--cream);border-color:var(--cobalt-bright);background:rgba(47,107,224,.16);}
.tool-btn[aria-expanded="true"]{color:var(--cream);border-color:var(--neon);background:rgba(255,92,122,.14);}
.tool-icon{
  position:relative;
  width:12px;height:12px;
  border:1.5px solid currentColor;
  border-radius:50%;
  flex:none;
}
.tool-icon::after{
  content:"";
  position:absolute;
  right:-4px;bottom:-3px;
  width:6px;height:1.5px;
  background:currentColor;
  transform:rotate(45deg);
}
.tool-label{line-height:1.5;}

.tool-cta{
  display:inline-flex;
  align-items:center;
  padding:9px 17px;
  border-radius:999px;
  background:linear-gradient(135deg,var(--cobalt-bright),var(--cobalt) 56%,#16307a);
  border:1px solid rgba(245,239,226,.22);
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
  text-decoration:none;
  box-shadow:0 10px 22px -16px rgba(47,107,224,.95);
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.tool-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px -14px rgba(255,92,122,.75);}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 13px;
  border-radius:999px;
  border:1px solid var(--line-dark-2);
  background:rgba(14,22,51,.55);
  color:var(--cream);
  font-size:13px;
  font-weight:600;
  cursor:pointer;
}
.nav-toggle-bars{
  display:grid;
  gap:4px;
  width:16px;
  flex:none;
}
.nav-toggle-bars span{
  display:block;
  height:2px;
  width:100%;
  background:currentColor;
  border-radius:2px;
  transition:transform var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-toggle-label{line-height:1.5;}

/* 检索面板 */
.search-dock{
  position:absolute;
  left:0;right:0;top:100%;
  z-index:54;
  background:linear-gradient(180deg,rgba(10,16,48,.99),rgba(7,11,31,.99));
  border-bottom:1px solid var(--line-dark);
  box-shadow:0 30px 56px -34px rgba(0,0,0,1);
  animation:dockIn var(--t-mid) var(--ease) both;
}
.search-dock[hidden]{display:none;}
@keyframes dockIn{
  from{opacity:0;transform:translateY(-8px);}
  to{opacity:1;transform:translateY(0);}
}
.search-inner{
  max-width:860px;
  margin:0 auto;
  padding:22px var(--gutter) 26px;
}
.search-label{
  display:block;
  font-size:11px;
  letter-spacing:.20em;
  color:rgba(201,212,240,.62);
  margin-bottom:10px;
}
.search-field{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 12px;
  border-radius:var(--radius-m);
  background:rgba(14,22,51,.92);
  border:1px solid rgba(47,107,224,.42);
  transition:border-color var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease);
}
.search-field:focus-within{
  border-color:var(--cobalt-bright);
  box-shadow:0 0 0 3px rgba(47,107,224,.22);
}
.search-input{
  flex:1;
  min-width:0;
  background:transparent;
  border:0;
  outline:none;
  color:var(--cream);
  font-size:16px;
  line-height:1.8;
}
.search-input::placeholder{color:rgba(201,212,240,.40);}
.search-clear{
  flex:none;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid var(--line-dark-2);
  background:transparent;
  color:var(--mist);
  font-size:12px;
  cursor:pointer;
  transition:color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);
}
.search-clear:hover{color:var(--neon);border-color:var(--neon);}
.search-hint{
  margin:10px 0 0;
  font-size:12px;
  color:rgba(201,212,240,.60);
  line-height:1.7;
}
.search-results{
  margin-top:14px;
  display:grid;
  gap:6px;
  max-height:44vh;
  overflow-y:auto;
  padding-right:2px;
}
.search-result{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px;
  border-radius:var(--radius-s);
  border:1px solid transparent;
  border-left:2px solid var(--cobalt);
  background:rgba(14,22,51,.6);
  text-align:left;
  cursor:pointer;
  transition:border-color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.search-result:hover{
  background:rgba(47,107,224,.14);
  border-left-color:var(--gold);
  transform:translateX(2px);
}
.search-result-kind{
  flex:none;
  font-size:11px;
  color:var(--gold);
  border:1px solid rgba(232,179,74,.42);
  border-radius:var(--radius-s);
  padding:1px 7px;
}
.search-result-label{
  flex:1;
  min-width:0;
  font-size:14px;
  color:var(--cream);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.search-result-meta{
  flex:none;
  font-size:11px;
  color:var(--mist);
}
.search-empty{
  padding:14px 12px;
  border:1px dashed var(--line-dark-2);
  border-radius:var(--radius-s);
  font-size:13px;
  color:var(--mist);
  text-align:center;
}

.scroll-rail{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background:rgba(201,212,240,.08);
  pointer-events:none;
}
.scroll-rail-fill{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--jade),var(--cobalt-bright) 55%,var(--gold));
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,var(--paper-deep) 0%,#060A1A 78%,#050814 100%);
  border-top:1px solid rgba(228,216,190,.18);
  color:var(--cream);
}
.footer-pattern{
  height:10px;
  background-color:rgba(27,58,143,.55);
  background-image:
    repeating-linear-gradient(90deg,transparent 0 14px,rgba(47,107,224,.65) 14px 15px),
    repeating-linear-gradient(45deg,rgba(245,239,226,.06) 0 6px,transparent 6px 12px);
  border-bottom:1px solid rgba(228,216,190,.14);
}
.footer-inner{
  max-width:var(--page-max);
  margin:0 auto;
  padding:clamp(36px,5vw,64px) var(--gutter) 32px;
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr 1.4fr;
  gap:clamp(20px,3vw,40px);
}

.footer-brand{min-width:0;}
.footer-mark{
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(17px,1.7vw,21px);
  letter-spacing:-.02em;
  margin:0 0 6px;
  color:var(--cream);
}
.footer-meta{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 0 14px;
  font-size:11px;
  letter-spacing:.10em;
  color:var(--mist);
}
.footer-note{
  margin:0 0 16px;
  font-size:13px;
  line-height:1.85;
  color:rgba(201,212,240,.78);
  max-width:32ch;
}
.footer-note--sm{font-size:12px;margin:14px 0 0;max-width:30ch;}
.footer-cta{
  display:inline-flex;
  align-items:center;
  padding:9px 16px;
  border-radius:999px;
  border:1px solid rgba(232,179,74,.5);
  background:rgba(232,179,74,.10);
  color:var(--gold);
  font-size:13px;
  font-weight:700;
  text-decoration:none;
  transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.footer-cta:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px);}

.footer-col{min-width:0;}
.footer-col-title{
  margin:0 0 14px;
  font-family:var(--font-head);
  font-weight:800;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--gold);
}
.footer-links{display:grid;gap:10px;}
.footer-link{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:var(--mist);
  text-decoration:none;
  transition:color var(--t-fast) var(--ease);
}
.footer-link::before{
  content:"";
  flex:none;
  width:6px;height:1px;
  background:currentColor;
  opacity:.55;
  transition:width var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease);
}
.footer-link:hover{color:var(--cream);}
.footer-link:hover::before{width:15px;background:var(--neon);opacity:1;}

.footer-lines{display:grid;gap:11px;}
.footer-lines li{display:grid;gap:2px;}
.footer-line-key{
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(201,212,240,.58);
}
.footer-line-val{
  font-size:13px;
  color:var(--cream);
  word-break:break-word;
}

.footer-base{
  border-top:1px solid var(--line-dark);
  background:rgba(5,8,20,.72);
}
.footer-base-inner{
  max-width:var(--page-max);
  margin:0 auto;
  padding:16px var(--gutter);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 24px;
}
.footer-legal{
  margin:0;
  font-size:12px;
  color:rgba(201,212,240,.72);
  line-height:1.8;
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  border-radius:999px;
  border:1px solid rgba(228,216,190,.24);
  background:rgba(27,58,143,.42);
  color:var(--cream);
  font-size:12px;
  font-weight:600;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),visibility 0s linear var(--t-mid),border-color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease);
}
.to-top[data-visible]{
  opacity:1;
  visibility:visible;
  transform:none;
  transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),visibility 0s,border-color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease);
}
.to-top:hover{border-color:var(--gold);background:rgba(232,179,74,.16);color:var(--gold);}
.to-top-arrow{font-size:13px;line-height:1;}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1180px){
  .nav-link{padding:9px 7px;font-size:13.5px;}
  .footer-inner{grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:26px;}
  .footer-col--contact{grid-column:1 / -1;}
}

@media (max-width:1023px){
  :root{--header-h:62px;}

  .header-inner{grid-template-columns:1fr auto;}
  .brand{grid-column:1;}

  .nav-toggle{display:inline-flex;}

  .nav{
    position:fixed;
    inset:0;
    z-index:55;
    justify-self:stretch;
    padding:calc(var(--header-h) + 22px) var(--gutter) 40px;
    display:flex;
    flex-direction:column;
    gap:16px;
    overflow-y:auto;
    background:
      radial-gradient(760px 420px at 100% 0%,rgba(47,107,224,.32),transparent 70%),
      radial-gradient(560px 380px at 0% 100%,rgba(15,163,127,.16),transparent 72%),
      linear-gradient(180deg,rgba(7,11,31,.995),rgba(10,16,48,.995));
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),visibility 0s linear var(--t-mid);
  }
  .site-header[data-open] .nav{
    opacity:1;
    visibility:visible;
    transform:none;
    transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),visibility 0s;
  }
  body.is-nav-open{overflow:hidden;}

  .nav-caption{
    display:block;
    margin:0;
    font-size:10px;
    letter-spacing:.26em;
    color:rgba(201,212,240,.55);
  }
  .nav-list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
  }
  .nav-link{
    justify-content:flex-start;
    align-items:center;
    gap:12px;
    padding:16px 12px 16px 14px;
    font-size:18px;
    border-radius:0;
    border-bottom:1px solid var(--line-dark);
  }
  .nav-link::after{display:none;}
  .nav-link[aria-current="page"]{
    background:linear-gradient(90deg,rgba(47,107,224,.30),rgba(47,107,224,0) 74%);
    box-shadow:inset 3px 0 0 var(--gold);
  }
  .nav-num{font-size:12px;}

  .tool-label{display:none;}
  .tool-btn{padding:8px 11px;}

  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-col--contact{grid-column:1 / -1;}
  .footer-note{max-width:none;}
}

@media (max-width:640px){
  body{font-size:15px;line-height:1.85;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;gap:24px;}
  .footer-base-inner{flex-direction:column;align-items:flex-start;}
  .nav-toggle-label{display:none;}
  .nav-toggle{padding:8px 10px;}
  .tool-cta{padding:9px 13px;font-size:12.5px;}
  .search-inner{padding:18px var(--gutter) 22px;}
  .paper{padding:18px;}
}

/* ==========================================================================
   动效偏好与打印
   ========================================================================== */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none;}
  .to-top{opacity:1;visibility:visible;transform:none;}
}

@media print{
  .site-header,.to-top,.scroll-rail,.footer-pattern{display:none;}
  body{background:#fff;color:#000;}
}