/* ===========================================================
   银河澳门主页 · 共享样式表 /assets/site.css
   星图档案：深空底 + 星辉紫 + 暖金 + 荧光青
   =========================================================== */

/* --- 1. 重置 --- */
*,*::before,*::after{box-sizing:border-box;}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}
a{color:inherit;text-decoration:none;}
table{border-collapse:collapse;width:100%;}

/* --- 2. 设计变量 --- */
:root{
  --space:#0B0E1A;
  --space-2:#0E1223;
  --star-blue:#16204A;
  --panel:#131B3B;
  --panel-2:#1A2450;
  --violet:#6E4BD1;
  --violet-soft:#B9A6F2;
  --gold:#E7B44C;
  --cyan:#4FE0C8;
  --moss:#5C7A5A;
  --clay:#B4674A;
  --rock:#2A3040;
  --line:rgba(90,102,140,.34);
  --line-strong:rgba(122,132,160,.5);
  --paper:#F2EFE8;
  --text-1:#F2EFE8;
  --text-2:rgba(242,239,232,.76);
  --text-3:rgba(242,239,232,.52);
  --text-4:rgba(242,239,232,.34);
  --font-body:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  --font-display:var(--font-body);
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"JetBrains Mono","Noto Sans Mono CJK SC","Courier New",monospace;
  --shell:1240px;
  --gutter:clamp(18px,4vw,48px);
  --header-h:66px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --cut-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px);
  --cut-sm-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}

/* --- 3. 基底 --- */
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 18px);
  background-color:var(--space);
}
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.012em;
  color:var(--text-1);
  background-color:var(--space);
  background-image:
    radial-gradient(120% 80% at 8% -6%, rgba(110,75,209,.28), transparent 62%),
    radial-gradient(90% 60% at 92% 4%, rgba(22,32,74,.95), transparent 60%),
    radial-gradient(80% 60% at 50% 108%, rgba(79,224,200,.10), transparent 66%),
    repeating-linear-gradient(0deg, rgba(122,132,160,.055) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(90deg, rgba(122,132,160,.045) 0 1px, transparent 1px 104px);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 14% 22%, rgba(242,239,232,.72), transparent 100%),
    radial-gradient(1.2px 1.2px at 68% 12%, rgba(185,166,242,.8), transparent 100%),
    radial-gradient(1.6px 1.6px at 84% 46%, rgba(242,239,232,.58), transparent 100%),
    radial-gradient(1.2px 1.2px at 32% 66%, rgba(79,224,200,.7), transparent 100%),
    radial-gradient(1.4px 1.4px at 54% 86%, rgba(231,180,76,.62), transparent 100%),
    radial-gradient(1.2px 1.2px at 7% 88%, rgba(242,239,232,.5), transparent 100%);
  animation:twinkle 11s ease-in-out infinite;
}
@keyframes twinkle{0%,100%{opacity:.32}45%{opacity:.78}70%{opacity:.5}}
.site-header,.site-footer,#main-content{position:relative;z-index:1;}

/* --- 4. 无障碍 --- */
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;left:var(--gutter);top:-120px;z-index:200;
  padding:10px 18px;background:var(--violet);color:#fff;
  font-size:13px;letter-spacing:.08em;clip-path:var(--cut-sm-path);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:14px;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* --- 5. 布局骨架 --- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter);}
.section{padding-block:clamp(56px,8vw,110px);}
.section--dense{padding-block:clamp(34px,4.5vw,60px);}
.section--air{padding-block:clamp(80px,12vw,170px);}
.grid{display:grid;gap:clamp(16px,2.2vw,28px);}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr));}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,3fr);}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.col-3{grid-column:span 3;}
.col-4{grid-column:span 4;}
.col-5{grid-column:span 5;}
.col-6{grid-column:span 6;}
.col-7{grid-column:span 7;}
.col-8{grid-column:span 8;}
.col-9{grid-column:span 9;}
.col-12{grid-column:span 12;}
.divider-diagonal{
  height:72px;
  background-image:repeating-linear-gradient(24deg, transparent 0 30px, rgba(122,132,160,.16) 30px 31px);
}
.axis-rail{position:relative;padding-left:30px;}
.axis{position:absolute;left:6px;top:0;bottom:0;width:1px;background:linear-gradient(180deg,transparent,var(--line-strong) 10%,var(--line-strong) 90%,transparent);}
.axis-node{
  position:absolute;left:0;width:13px;height:13px;margin-top:-6px;
  background:var(--space);border:1px solid var(--line-strong);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.axis-node.is-active{background:var(--gold);border-color:var(--gold);box-shadow:0 0 14px rgba(231,180,76,.6);}

/* --- 6. 排版组件 --- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  color:var(--violet-soft);text-transform:uppercase;
}
.mono-index{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.16em;color:var(--gold);}
.page-head{padding-block:clamp(30px,5vw,68px) clamp(10px,2vw,22px);}
.page-title{
  font-family:var(--font-display);
  font-size:clamp(38px,7.2vw,88px);
  font-weight:200;line-height:1.04;letter-spacing:-.01em;
}
.page-title strong{font-weight:700;color:var(--paper);}
.page-lead{margin-top:18px;max-width:62ch;font-size:17px;color:var(--text-2);}
.section-band{
  position:relative;display:flex;align-items:center;gap:16px;
  padding-top:20px;margin-bottom:clamp(20px,3vw,34px);
}
.section-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--violet) 0 20%,rgba(110,75,209,.22) 20% 100%);
}
.section-band--moss::before{background:linear-gradient(90deg,var(--moss) 0 20%,rgba(92,122,90,.2) 20% 100%);}
.section-band--clay::before{background:linear-gradient(90deg,var(--clay) 0 20%,rgba(180,103,74,.2) 20% 100%);}
.section-band--cyan::before{background:linear-gradient(90deg,var(--cyan) 0 20%,rgba(79,224,200,.2) 20% 100%);}
.band-index{font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;color:var(--gold);}
.band-title{font-family:var(--font-display);font-size:clamp(22px,3vw,30px);font-weight:300;letter-spacing:.02em;}
.band-meta{margin-left:auto;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--text-3);}
.stat{display:grid;gap:6px;}
.stat-value{font-family:var(--font-mono);font-weight:500;font-size:clamp(30px,5vw,54px);line-height:1.05;letter-spacing:-.01em;color:var(--text-1);}
.stat-label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--text-3);}
.stat--gold .stat-value{color:var(--gold);}
.stat--cyan .stat-value{color:var(--cyan);}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;
  border:1px solid var(--line);clip-path:var(--cut-sm-path);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--text-2);
}
.chip--violet{color:var(--violet-soft);border-color:rgba(110,75,209,.6);}
.chip--gold{color:var(--gold);border-color:rgba(231,180,76,.55);}
.chip--cyan{color:var(--cyan);border-color:rgba(79,224,200,.5);}
.chip--moss{color:#8FAE8C;border-color:rgba(92,122,90,.7);}
.chip--clay{color:#D98C6E;border-color:rgba(180,103,74,.7);}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;letter-spacing:.04em;color:var(--violet-soft);
  transition:color .22s var(--ease);
}
.link-arrow::after{content:"→";transition:transform .24s var(--ease);}
.link-arrow:hover{color:var(--gold);}
.link-arrow:hover::after{transform:translateX(4px);}
.prose{max-width:72ch;font-size:17px;line-height:1.75;color:var(--text-2);}
.prose > * + *{margin-top:1.15em;}
.prose h2{font-family:var(--font-display);font-size:clamp(24px,3.2vw,34px);font-weight:300;color:var(--text-1);letter-spacing:.02em;}
.prose h3{font-size:19px;font-weight:600;color:var(--text-1);}
.prose strong{color:var(--text-1);font-weight:600;}
.prose a{color:var(--violet-soft);text-decoration:underline;text-underline-offset:4px;}
.prose ul{display:grid;gap:.6em;}
.prose li{position:relative;padding-left:18px;}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:7px;height:1.5px;background:var(--gold);}

/* --- 7. 切角面板 / 媒体容器 / 设备对照 --- */
.panel{position:relative;padding:1px;background:var(--line);clip-path:var(--cut-path);}
.panel-inner{background:var(--panel);clip-path:var(--cut-path);padding:clamp(20px,2.6vw,32px);height:100%;}
.panel--soft .panel-inner{background:var(--star-blue);}
.panel--accent{background:linear-gradient(150deg,var(--violet),var(--rock) 55%);}
.panel--accent .panel-inner{background:linear-gradient(150deg,rgba(110,75,209,.32),var(--panel) 60%);}
.panel-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px;}
.panel-title{font-size:22px;font-weight:600;letter-spacing:.02em;}
.panel-caption{font-size:14px;color:var(--text-3);}
.media-frame{
  position:relative;overflow:hidden;background:var(--star-blue);
  border:1px solid var(--line);clip-path:var(--cut-path);
  box-shadow:inset 0 0 44px rgba(11,14,26,.75);
}
.media-frame > img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;inset:auto -10% -46% -10%;height:62%;pointer-events:none;
  background:linear-gradient(24deg, transparent 46%, rgba(79,224,200,.16) 50%, transparent 54%);
}
.media-frame--wide{aspect-ratio:16/9;}
.media-frame--tall{aspect-ratio:4/5;}
.media-frame--square{aspect-ratio:1/1;}
.media-frame--phone{aspect-ratio:9/19.5;}
.media-grid{display:grid;gap:clamp(12px,1.8vw,20px);grid-template-columns:repeat(auto-fit,minmax(180px,1fr));}
.media-caption{margin-top:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--text-3);}
.device-split{position:relative;display:grid;grid-template-columns:1fr 1fr;}
.device-split::after{
  content:"";position:absolute;top:6%;bottom:6%;left:50%;
  border-left:1px dashed var(--cyan);opacity:.55;
  transition:opacity .24s var(--ease),box-shadow .24s var(--ease);
}
.device-split > *{padding-inline:clamp(14px,2vw,26px);}
.device-col-label{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--text-3);margin-bottom:12px;}
body[data-diff="on"] .device-split::after{border-left-style:solid;opacity:.95;box-shadow:0 0 14px rgba(79,224,200,.55);}
.diff-dot{
  display:inline-block;width:8px;height:8px;background:var(--cyan);border-radius:50%;
  opacity:.32;box-shadow:0 0 0 3px rgba(79,224,200,.12);
  transition:opacity .24s var(--ease);
}
body[data-diff="on"] .diff-dot{opacity:1;animation:diffPulse 4s ease-in-out infinite;}
@keyframes diffPulse{0%,100%{transform:scale(.9);opacity:.65}50%{transform:scale(1.1);opacity:1}}

/* --- 8. 按钮 --- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 16px;
  font-size:13px;letter-spacing:.06em;border:1px solid transparent;
  clip-path:var(--cut-sm-path);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn--primary{background:var(--violet);color:#fff;box-shadow:0 12px 26px -14px rgba(110,75,209,1);}
.btn--primary:hover{background:#7C58E4;transform:translateY(-1px);}
.btn--gold{border-color:rgba(231,180,76,.55);color:var(--gold);}
.btn--gold:hover{background:rgba(231,180,76,.14);}
.btn--ghost{border-color:var(--line-strong);color:var(--text-2);}
.btn--ghost:hover{color:var(--text-1);border-color:var(--violet-soft);}

/* --- 9. 面包屑 --- */
.breadcrumb{padding-block:18px;}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;}
.breadcrumb-item{display:flex;align-items:center;gap:10px;color:var(--text-3);}
.breadcrumb-link{color:var(--text-3);transition:color .2s var(--ease);}
.breadcrumb-link:hover{color:var(--gold);}
.breadcrumb-sep{color:var(--text-4);}
.breadcrumb-item[aria-current="page"]{color:var(--text-1);}

/* --- 10. 头部 --- */
.progress-bar{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:rgba(122,132,160,.18);}
.progress-bar-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--violet),var(--cyan));transition:width .16s linear;}
.site-header{
  position:sticky;top:0;z-index:110;
  background:rgba(11,14,26,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:clamp(12px,2vw,26px);
  min-height:var(--header-h);
}
.brand{display:flex;align-items:center;gap:11px;padding-block:9px;}
.brand-mark{
  width:22px;height:22px;flex:none;
  background:linear-gradient(140deg,var(--gold),var(--violet-soft));
  clip-path:polygon(50% 0,61% 39%,100% 50%,61% 61%,50% 100%,39% 61%,0 50%,39% 39%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:.08em;}
.brand-tagline{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--text-3);}
.nav-command{justify-self:center;}
.nav-list{display:flex;align-items:center;gap:2px;}
.nav-item{position:relative;}
.nav-link{
  display:flex;align-items:baseline;gap:7px;padding:9px 12px;
  font-size:14px;letter-spacing:.04em;color:var(--text-2);
  transition:color .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--text-4);transition:color .22s var(--ease);}
.nav-link:hover{color:var(--text-1);background:rgba(110,75,209,.16);}
.nav-link[aria-current="page"]{color:var(--text-1);background:rgba(110,75,209,.32);box-shadow:inset 0 -2px 0 var(--gold);}
.nav-link[aria-current="page"] .nav-index{color:var(--gold);}
.nav-item--has-sub > .nav-link::after{
  content:"+";font-family:var(--font-mono);font-size:11px;color:var(--text-4);
  transition:transform .24s var(--ease),color .24s var(--ease);
}
.nav-item--has-sub:hover > .nav-link::after{transform:rotate(45deg);color:var(--gold);}
.nav-sub{
  position:absolute;top:calc(100% + 8px);left:50%;min-width:196px;z-index:5;
  padding:14px 16px 16px;background:var(--panel);border:1px solid var(--line);
  clip-path:var(--cut-path);
  opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,-6px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);}
.nav-sub-title{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--gold);margin-bottom:10px;}
.nav-sub-list{display:grid;gap:7px;}
.nav-sub-item{font-size:13px;color:var(--text-3);border-left:1px solid var(--line);padding-left:10px;}
.header-actions{display:flex;align-items:center;gap:10px;justify-self:end;}
.status-chip{
  display:flex;align-items:center;gap:7px;padding:5px 11px;
  border:1px solid var(--line);clip-path:var(--cut-sm-path);
}
.status-dot{width:6px;height:6px;background:var(--cyan);box-shadow:0 0 0 3px rgba(79,224,200,.18);flex:none;}
.status-text{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--text-2);white-space:nowrap;}
.diff-toggle{
  padding:7px 12px;border:1px solid var(--line);clip-path:var(--cut-sm-path);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--text-2);
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.diff-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.diff-toggle[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--space);}
.nav-toggle{
  display:none;align-items:center;gap:9px;padding:8px 12px;
  border:1px solid var(--line-strong);clip-path:var(--cut-sm-path);
  color:var(--text-2);font-size:12px;letter-spacing:.08em;
}
.nav-toggle-bars{display:grid;gap:4px;width:16px;}
.nav-toggle-bar{display:block;height:1.5px;background:currentColor;transition:transform .24s var(--ease),opacity .24s var(--ease);}
.nav-toggle[aria-expanded="true"]{border-color:var(--violet);color:var(--text-1);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}
.nav-toggle-text{font-family:var(--font-mono);}

/* --- 11. 页脚 --- */
.site-footer{
  position:relative;margin-top:clamp(64px,10vw,140px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg, rgba(22,32,74,.55), rgba(11,14,26,.98) 62%);
}
.footer-stars{
  height:64px;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 42%, rgba(242,239,232,.6), transparent 100%),
    radial-gradient(1.4px 1.4px at 34% 68%, rgba(185,166,242,.7), transparent 100%),
    radial-gradient(1.8px 1.8px at 58% 34%, rgba(79,224,200,.6), transparent 100%),
    radial-gradient(1.4px 1.4px at 78% 62%, rgba(231,180,76,.65), transparent 100%),
    radial-gradient(1.6px 1.6px at 94% 40%, rgba(242,239,232,.5), transparent 100%);
}
.footer-inner{padding-block:clamp(34px,5vw,64px) 26px;}
.footer-top{display:grid;grid-template-columns:minmax(210px,1.05fr) minmax(300px,1.6fr) minmax(230px,1fr);gap:clamp(24px,4vw,56px);}
.footer-brand-line{font-family:var(--font-display);font-size:clamp(22px,3vw,30px);font-weight:300;letter-spacing:.04em;}
.footer-tagline{margin-top:8px;font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--violet-soft);}
.footer-note{margin-top:14px;max-width:36ch;font-size:14px;line-height:1.7;color:var(--text-3);}
.footer-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.6vw,32px);}
.footer-col-title{
  position:relative;margin-bottom:14px;padding-top:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;color:var(--gold);
}
.footer-col-title::before{content:"";position:absolute;top:0;left:0;width:26px;height:2px;background:var(--violet);}
.footer-links{display:grid;gap:9px;}
.footer-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);transition:color .2s var(--ease),gap .2s var(--ease);}
.footer-link::before{content:"";width:6px;height:1px;background:var(--text-4);transition:background-color .2s var(--ease),width .2s var(--ease);}
.footer-link:hover{color:var(--text-1);gap:11px;}
.footer-link:hover::before{width:12px;background:var(--cyan);}
.footer-text{font-size:13.5px;line-height:1.72;color:var(--text-3);}
.contact-list{display:grid;gap:12px;}
.contact-item{display:grid;gap:3px;}
.contact-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--text-4);}
.contact-value{font-size:13.5px;line-height:1.6;color:var(--text-1);word-break:break-word;}
.contact-note{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;line-height:1.7;color:var(--text-3);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px;
  margin-top:clamp(30px,4.5vw,56px);padding-top:20px;border-top:1px solid var(--line);
}
.footer-legal{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--text-3);}
.footer-legal-links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-legal-links a{font-size:13px;color:var(--text-3);transition:color .2s var(--ease);}
.footer-legal-links a:hover{color:var(--gold);}
.footer-sign{margin-left:auto;font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--text-4);}
.footer-closing{display:flex;justify-content:center;align-items:center;gap:14px;padding-bottom:26px;}
.footer-closing span{width:4px;height:4px;background:var(--violet-soft);opacity:.5;clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);}
.footer-closing span:nth-child(3){background:var(--gold);opacity:.9;}

/* --- 12. 入场动效 --- */
.reveal{opacity:1;transform:none;}
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
html.js .reveal.is-visible{opacity:1;transform:none;}

/* --- 13. 响应式 --- */
@media (max-width:1179px){
  .status-chip{display:none;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .header-inner{grid-template-columns:minmax(0,1fr) auto;}
  .nav-command{
    position:absolute;top:100%;left:0;right:0;z-index:60;
    padding:0 var(--gutter);
    background:rgba(11,14,26,.97);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 50px -30px rgba(0,0,0,.95);
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:max-height .3s var(--ease),opacity .24s var(--ease),transform .3s var(--ease),visibility .3s;
  }
  .nav-command[data-open]{
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
    opacity:1;visibility:visible;transform:none;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;padding:8px 0 22px;}
  .nav-item{border-bottom:1px solid var(--line);}
  .nav-item:last-child{border-bottom:0;}
  .nav-link{padding:14px 4px;font-size:16px;}
  .nav-sub{
    position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;
    min-width:0;padding:0 4px 16px;background:none;border:0;clip-path:none;
  }
  .nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{transform:none;}
  .nav-sub-list{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));}
  .nav-item--has-sub > .nav-link::after{display:none;}
  .grid--split{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-contact{grid-column:1 / -1;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{grid-column:span 12;}
}
@media (max-width:767px){
  .diff-toggle{display:none;}
  .header-actions .btn{padding:8px 12px;font-size:12px;}
  .footer-top{grid-template-columns:1fr;}
  .footer-cols{grid-template-columns:1fr;}
  .footer-sign{margin-left:0;}
  .device-split{grid-template-columns:1fr;}
  .device-split::after{display:none;}
  .device-split > *{padding-inline:0;}
  .device-split > * + *{margin-top:26px;padding-top:22px;border-top:1px dashed rgba(79,224,200,.5);}
  .section-band{flex-wrap:wrap;gap:10px;}
  .band-meta{margin-left:0;width:100%;}
}
@media (max-width:560px){
  .brand-tagline{display:none;}
  .brand-name{font-size:16px;letter-spacing:.04em;}
  .page-title{font-size:clamp(34px,10vw,52px);}
  .footer-closing{gap:10px;}
}

/* --- 14. 动效减弱 --- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }
  body::before{animation:none;opacity:.45;}
  html.js .reveal{opacity:1;transform:none;}
}