/* ============================================================
   金赢国际站 · 共享样式表 /assets/site.css
   深海蓝底 + 鎏金铜金渐变 + 青瓷绿 + 暖白档案层
   ============================================================ */

/* ---------- 01 变量 ---------- */
:root{
  --ink-deep:#0B1730;
  --ink-mid:#12294A;
  --ink-lift:#16305A;
  --gold:#C9A227;
  --gold-deep:#8C6A2F;
  --gold-light:#E0C170;
  --celadon:#4E8C7A;
  --celadon-light:#9FD4C4;
  --warm-white:#F6F2E9;
  --rock:#566072;
  --paper:#EDE6D8;
  --clay:#A8624A;
  --mist:#9FB8AE;

  --grad-gold:linear-gradient(135deg,#8C6A2F 0%,#C9A227 44%,#E0C170 100%);
  --line-gold:linear-gradient(90deg,rgba(140,106,47,.12),rgba(224,193,112,.85),rgba(140,106,47,.12));

  --topbar-h:64px;
  --rail-w:216px;

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

  --ease:cubic-bezier(.22,.61,.36,1);
  --pad-x:clamp(20px,4vw,56px);
  --radius:14px;
  --radius-sm:9px;
}

/* ---------- 02 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  padding-top:var(--topbar-h);
  padding-left:var(--rail-w);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--warm-white);
  background-color:var(--ink-deep);
  background-image:
    radial-gradient(920px 540px at 84% -10%,rgba(201,162,39,.11),transparent 62%),
    radial-gradient(780px 480px at -8% 34%,rgba(78,140,122,.11),transparent 62%),
    repeating-linear-gradient(115deg,rgba(159,184,174,.05) 0 1px,transparent 1px 96px);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg{max-width:100%}
img{height:auto;display:block}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none}
hr{border:0;border-top:1px solid rgba(86,96,114,.4);margin:32px 0}
::selection{background:rgba(201,162,39,.34);color:var(--warm-white)}

/* ---------- 03 排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.012em;
  margin:0 0 12px;
  color:var(--warm-white);
}
h1{font-size:clamp(34px,5.4vw,68px)}
h2{font-size:clamp(26px,3.4vw,44px)}
h3{font-size:clamp(19px,2.1vw,25px)}
h4{font-size:17px;letter-spacing:.01em}
.mono,.is-mono{font-family:var(--font-mono);letter-spacing:.02em}
.lead{font-size:clamp(16.5px,1.5vw,19px);line-height:1.8;color:rgba(246,242,233,.78);max-width:36em}
.dim{color:rgba(246,242,233,.62)}
.tiny{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--rock)}

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

/* ---------- 04 跳转链接 ---------- */
.skip-link{
  position:fixed;left:14px;top:-70px;z-index:300;
  padding:11px 20px;
  background:var(--grad-gold);color:#141F38;
  font-size:14px;font-weight:700;border-radius:var(--radius-sm);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 05 头部 ---------- */
.site-header{position:relative;z-index:110}

.header-top{
  position:fixed;top:0;right:0;left:0;height:var(--topbar-h);
  z-index:140;
  display:flex;align-items:center;gap:16px;
  padding:0 var(--pad-x);
  background:rgba(11,23,48,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(201,162,39,.24);
}
.header-top::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--line-gold);opacity:.7;pointer-events:none;
}

.brand{display:flex;align-items:center;gap:13px;min-width:0;flex:none}
.brand::before{
  content:"";flex:none;width:4px;height:30px;border-radius:2px;background:var(--grad-gold);
}
.brand-mark{
  font-family:var(--font-display);font-weight:800;font-size:21px;
  letter-spacing:.16em;white-space:nowrap;color:var(--warm-white);
}
.brand-sub{
  padding-left:14px;border-left:1px solid rgba(159,184,174,.3);
  font-size:12px;letter-spacing:.08em;color:var(--mist);white-space:nowrap;
}

.header-quick{display:flex;align-items:center;gap:10px;margin-left:auto}
.quick-link{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 17px;border-radius:999px;
  font-size:14px;font-weight:600;white-space:nowrap;
  color:var(--warm-white);
  border:1px solid rgba(201,162,39,.44);
  background:linear-gradient(135deg,rgba(140,106,47,.24),rgba(18,41,74,.55));
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.quick-link:hover{border-color:var(--gold-light);transform:translateY(-1px)}
.quick-link--solid{
  background:var(--grad-gold);color:#141F38;border-color:transparent;
  box-shadow:0 8px 22px -14px rgba(224,193,112,.9);
}
.quick-link--solid:hover{box-shadow:0 12px 26px -12px rgba(224,193,112,.95)}
.quick-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--gold-light)}
.quick-link--solid .quick-num{color:rgba(20,31,56,.68)}

.nav-toggle{
  display:none;align-items:center;gap:10px;
  padding:9px 15px;border-radius:10px;cursor:pointer;
  background:rgba(18,41,74,.72);
  border:1px solid rgba(159,184,174,.34);
  color:var(--warm-white);font-size:13.5px;font-weight:600;
  transition:border-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--gold-light)}
.nav-toggle-bars{position:relative;display:block;width:18px;height:2px;background:var(--gold-light);flex:none}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--gold-light);
  transition:transform .22s 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{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-6px) rotate(-45deg)}
.nav-toggle-label{white-space:nowrap}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:var(--grad-gold);z-index:2;pointer-events:none;
}

/* 侧边固定栏目索引（桌面） */
.site-nav{
  position:fixed;top:var(--topbar-h);left:0;bottom:0;width:var(--rail-w);
  z-index:120;
  display:flex;flex-direction:column;
  padding:28px 0 22px;
  background:linear-gradient(180deg,rgba(18,41,74,.94),rgba(11,23,48,.9));
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-right:1px solid rgba(201,162,39,.22);
  overflow-y:auto;
}
.nav-list{list-style:none}
.nav-item{position:relative}
.nav-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:13px 20px 13px 24px;
  font-size:15px;font-weight:600;
  color:rgba(246,242,233,.72);
  transition:color .18s var(--ease),background .18s var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;
  background:var(--grad-gold);
  transform:scaleY(0);transform-origin:top;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--warm-white);background:rgba(201,162,39,.07)}
.nav-link:hover::before,.nav-link[aria-current="page"]::before{transform:scaleY(1)}
.nav-link[aria-current="page"]{
  color:var(--gold-light);
  background:linear-gradient(90deg,rgba(201,162,39,.17),rgba(201,162,39,0));
}
.nav-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--rock);flex:none}
.nav-link[aria-current="page"] .nav-num{color:var(--gold)}
.nav-note{
  margin:auto 20px 0;padding-top:16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--rock);border-top:1px solid rgba(86,96,114,.42);
}

/* ---------- 06 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  background:linear-gradient(180deg,rgba(18,41,74,.6),rgba(11,23,48,.99));
  border-top:1px solid rgba(201,162,39,.26);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:var(--line-gold);
}
.footer-band{
  display:flex;align-items:center;gap:22px;
  padding:17px var(--pad-x);
  border-bottom:1px solid rgba(86,96,114,.35);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;
  color:var(--mist);text-transform:uppercase;
}
.footer-band-text{white-space:nowrap}
.footer-band-line{
  flex:1;height:1px;min-width:24px;
  background:linear-gradient(90deg,rgba(224,193,112,.75),rgba(224,193,112,0));
}
.footer-main{
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1.7fr) minmax(0,1fr);
  gap:clamp(24px,4vw,64px);
  padding:clamp(34px,5vw,62px) var(--pad-x);
}
.footer-brand{min-width:0}
.footer-mark{
  margin:0 0 14px;
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(26px,3vw,36px);letter-spacing:.14em;
  background:var(--grad-gold);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-desc{
  margin:0 0 22px;max-width:28em;
  font-size:14.5px;line-height:1.8;color:rgba(246,242,233,.68);
}
.to-top{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 17px;border-radius:999px;cursor:pointer;
  background:transparent;border:1px solid rgba(159,184,174,.42);
  color:var(--warm-white);font-size:13.5px;font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.to-top::before{
  content:"";width:8px;height:8px;flex:none;
  border-left:1.5px solid var(--gold-light);border-top:1.5px solid var(--gold-light);
  transform:rotate(45deg);
}
.to-top:hover{border-color:var(--gold-light);color:var(--gold-light)}

.footer-cols{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(18px,2.4vw,36px);
}
.footer-col{min-width:0}
.footer-col-title{
  margin:0 0 16px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);
}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-link{
  font-size:14.5px;color:rgba(246,242,233,.74);
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-link:hover{color:var(--gold-light);padding-left:5px}

.footer-contact{min-width:0}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.contact-item{display:flex;flex-direction:column;gap:3px}
.contact-key{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:var(--rock);
}
.contact-value{font-size:14px;line-height:1.7;color:rgba(246,242,233,.84);word-break:break-word}
.contact-value.is-mono{font-family:var(--font-mono);letter-spacing:.02em}

.footer-base{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 26px;
  padding:18px var(--pad-x) 26px;
  border-top:1px solid rgba(86,96,114,.32);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--rock);
}
.footer-legal{white-space:nowrap}

/* ---------- 07 布局容器 ---------- */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 var(--pad-x)}
.wrap--narrow{max-width:840px}
.wrap--wide{max-width:1400px}
.wrap--flush{padding:0}
.section{padding:clamp(44px,6vw,96px) 0}
.section--tight{padding:clamp(28px,4vw,56px) 0}
.section--plain{padding:0 0 clamp(40px,5vw,80px)}

.split{display:grid;gap:clamp(20px,3vw,52px);align-items:start}
.split--38{grid-template-columns:minmax(0,38fr) minmax(0,62fr)}
.split--62{grid-template-columns:minmax(0,62fr) minmax(0,38fr)}
.split--even{grid-template-columns:repeat(2,minmax(0,1fr))}

.grid{display:grid;gap:clamp(16px,2vw,26px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}

/* ---------- 08 标题组与标签 ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);margin-bottom:14px;
}
.kicker::before{content:"";width:26px;height:1px;flex:none;background:var(--grad-gold)}
.kicker--celadon{color:var(--celadon-light)}
.kicker--celadon::before{background:linear-gradient(90deg,rgba(78,140,122,.2),var(--celadon-light))}

.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px 34px;
  margin-bottom:clamp(24px,3vw,40px);
}
.section-head h2{margin:0;flex:1 1 320px}
.section-head p{margin:0;flex:1 1 260px;max-width:34em;font-size:15px;color:rgba(246,242,233,.66)}

.side-note{
  display:inline-block;
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--mist);
}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  color:var(--gold-light);
  background:rgba(201,162,39,.14);
  border:1px solid rgba(201,162,39,.36);
}
.tag--celadon{color:var(--celadon-light);background:rgba(78,140,122,.18);border-color:rgba(78,140,122,.46)}
.tag--clay{color:#E8A992;background:rgba(168,98,74,.2);border-color:rgba(168,98,74,.52)}

/* ---------- 09 内容层 ---------- */
.panel{
  position:relative;
  padding:clamp(20px,2.4vw,32px);
  border-radius:var(--radius);
  border:1px solid rgba(159,184,174,.24);
  background:linear-gradient(160deg,rgba(18,41,74,.8),rgba(11,23,48,.64));
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.panel--gold{border-color:rgba(201,162,39,.42)}
.panel--solid{background:var(--ink-mid);border-color:rgba(86,96,114,.52)}
.panel--paper{background:var(--paper);border-color:#D8CFBC;color:#17233A}
.panel--flush{padding:0}
.panel-title{margin:0 0 10px;font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--warm-white)}
.panel--paper .panel-title{color:#17233A}
.panel-text{margin:0;font-size:15px;line-height:1.8;color:rgba(246,242,233,.72)}
.panel--paper .panel-text{color:#3C465A}

/* ---------- 10 索引列表 ---------- */
.listing{list-style:none;border-top:1px solid rgba(201,162,39,.28)}
.listing-row{
  display:flex;align-items:baseline;gap:18px;
  padding:15px 6px;
  border-bottom:1px solid rgba(86,96,114,.34);
  transition:background .18s var(--ease);
}
.listing-row:hover{background:rgba(201,162,39,.06)}
.listing-num{
  flex:none;min-width:2.6em;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--gold);
}
.listing-title{margin:0;font-size:16px;font-weight:600;color:var(--warm-white)}
.listing-meta{
  margin-left:auto;white-space:nowrap;
  font-family:var(--font-mono);font-size:12px;color:var(--rock);
}
.listing-text{margin:6px 0 0;font-size:14.5px;color:rgba(246,242,233,.68)}

/* ---------- 11 主题带 ---------- */
.theme-band{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 26px;
  padding:14px var(--pad-x);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--gold-light);
  background:linear-gradient(90deg,rgba(201,162,39,.18),rgba(201,162,39,.03) 62%,rgba(201,162,39,0));
  border-top:1px solid rgba(201,162,39,.32);
  border-bottom:1px solid rgba(201,162,39,.32);
}
.theme-band--celadon{
  color:var(--celadon-light);
  background:linear-gradient(90deg,rgba(78,140,122,.24),rgba(78,140,122,0) 62%);
  border-color:rgba(78,140,122,.44);
}
.theme-band-note{margin-left:auto;color:rgba(246,242,233,.62)}

/* ---------- 12 帮助文档卡片 ---------- */
.doc-card{
  display:flex;flex-direction:column;gap:12px;
  padding:clamp(18px,2vw,26px);
  border-radius:var(--radius);
  background:var(--paper);
  border:1px solid #D8CFBC;
  color:#17233A;
}
.doc-card--glass{
  background:linear-gradient(160deg,rgba(18,41,74,.82),rgba(11,23,48,.66));
  border-color:rgba(78,140,122,.4);
  color:var(--warm-white);
}
.doc-card-head{display:flex;align-items:center;gap:12px}
.doc-card-num{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:#8C6A2F;
}
.doc-card--glass .doc-card-num{color:var(--celadon-light)}
.doc-card-title{margin:0;font-size:16.5px;font-weight:700;letter-spacing:.01em}
.doc-card-body{margin:0;font-size:14.5px;line-height:1.8;color:#46506A}
.doc-card--glass .doc-card-body{color:rgba(246,242,233,.72)}
.doc-card-foot{
  margin-top:auto;padding-top:12px;
  border-top:1px solid rgba(86,96,114,.28);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;
  color:#6B7488;
}
.doc-card--glass .doc-card-foot{color:var(--rock);border-color:rgba(86,96,114,.42)}

/* ---------- 13 媒体容器 ---------- */
.media-grid{display:grid;gap:clamp(12px,1.6vw,20px)}
.media-frame{
  position:relative;overflow:hidden;
  border-radius:var(--radius);
  border:1px solid rgba(159,184,174,.22);
  background:linear-gradient(140deg,rgba(18,41,74,.92),rgba(11,23,48,.92));
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,23,48,0) 40%,rgba(11,23,48,.5));
}
.media-frame img,.media-frame svg{display:block;width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--3x4{aspect-ratio:3/4}
.media-frame--tall{aspect-ratio:2/3}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--paper{background:var(--paper);border-color:#D8CFBC}
.media-frame--paper::after{background:linear-gradient(180deg,rgba(23,35,58,0) 55%,rgba(23,35,58,.14))}
.media-caption{
  margin:10px 0 0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--rock);
}

/* ---------- 14 数据与表单 ---------- */
.stat{
  display:flex;flex-direction:column;gap:5px;
  padding:16px 0;
  border-top:1px solid rgba(201,162,39,.3);
}
.stat-value{
  font-family:var(--font-mono);font-weight:700;letter-spacing:.02em;
  font-size:clamp(23px,3vw,34px);color:var(--gold-light);
}
.stat-label{font-size:13px;color:rgba(246,242,233,.62)}

.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field-label{font-size:13.5px;font-weight:600;letter-spacing:.02em;color:rgba(246,242,233,.86)}
.field-input,.field-area{
  width:100%;
  padding:11px 14px;
  border-radius:var(--radius-sm);
  border:1px solid rgba(159,184,174,.34);
  background:rgba(11,23,48,.7);
  color:var(--warm-white);
  font-size:15px;
  transition:border-color .18s var(--ease);
}
.field-input:focus,.field-area:focus{border-color:var(--gold-light);outline:none}
.field-area{min-height:120px;resize:vertical;line-height:1.7}
.field-hint{font-size:12.5px;color:var(--rock);line-height:1.6}
.panel--paper .field-label{color:#17233A}
.panel--paper .field-input,.panel--paper .field-area{
  background:#fff;border-color:#CFC5B0;color:#17233A;
}

/* ---------- 15 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 24px;border-radius:999px;cursor:pointer;
  font-family:var(--font-body);font-size:15px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn--gold{background:var(--grad-gold);color:#141F38;box-shadow:0 10px 26px -14px rgba(201,162,39,.9)}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(224,193,112,.95)}
.btn--ghost{background:transparent;border-color:rgba(224,193,112,.5);color:var(--warm-white)}
.btn--ghost:hover{border-color:var(--gold-light);color:var(--gold-light)}
.btn--paper{background:var(--paper);color:#17233A}
.btn--paper:hover{transform:translateY(-2px)}

/* ---------- 16 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0 0 18px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--rock);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"/";color:rgba(201,162,39,.6)}
.crumbs a{color:var(--mist);transition:color .18s var(--ease)}
.crumbs a:hover{color:var(--gold-light)}
.crumbs [aria-current="page"]{color:var(--warm-white)}

/* ---------- 17 分段切换 ---------- */
.tabs{
  display:inline-flex;flex-wrap:wrap;gap:6px;
  padding:6px;border-radius:999px;
  border:1px solid rgba(159,184,174,.26);
  background:rgba(18,41,74,.6);
}
.tab{
  padding:8px 20px;border-radius:999px;cursor:pointer;
  background:transparent;border:1px solid transparent;
  color:rgba(246,242,233,.7);
  font-size:14px;font-weight:600;
  transition:color .18s var(--ease),background .18s var(--ease);
}
.tab:hover{color:var(--warm-white)}
.tab[aria-selected="true"]{background:var(--grad-gold);color:#141F38}
.tab-panel{padding-top:22px}
.tab-panel[hidden]{display:none}

/* ---------- 18 装饰 ---------- */
.contour{position:relative}
.contour::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 80% 8%,rgba(159,184,174,.08) 0 1px,transparent 1px 28px);
}
.rule-gold{height:1px;border:0;background:var(--line-gold);margin:0}

/* ---------- 19 显现动画 ---------- */
.js-on [data-reveal]{opacity:0;transform:translateY(16px)}
.js-on [data-reveal].is-in{
  opacity:1;transform:none;
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}

/* ---------- 20 响应式 ---------- */
@media (max-width:1080px){
  .footer-main{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1/-1}
}

@media (max-width:960px){
  :root{--rail-w:0px}
  body{padding-left:0}
  .split--38,.split--62,.split--even{grid-template-columns:minmax(0,1fr)}
  .brand-sub{display:none}
  .nav-toggle{display:inline-flex;margin-left:10px;order:3}
  .header-quick{margin-left:auto;order:2}
  .site-nav{
    top:0;bottom:0;width:min(300px,84vw);height:100vh;
    padding:96px 0 24px;
    border-right:1px solid rgba(201,162,39,.32);
    box-shadow:24px 0 60px -30px rgba(0,0,0,.9);
    transform:translateX(-104%);
    transition:transform .26s var(--ease);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .nav-link{padding:14px 24px}
}

@media (max-width:760px){
  body{font-size:16px}
  .footer-main{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-cols{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .section-head{align-items:flex-start}
  .listing-row{flex-wrap:wrap;gap:8px 14px}
  .listing-meta{margin-left:0;width:100%}
  .theme-band-note{margin-left:0;width:100%}
}

@media (max-width:520px){
  .header-top{gap:10px;padding:0 14px}
  .brand{gap:9px}
  .brand-mark{font-size:17px;letter-spacing:.1em}
  .brand::before{height:24px;width:3px}
  .quick-link{padding:7px 11px;font-size:12px;gap:6px}
  .quick-num{font-size:10px}
  .nav-toggle{padding:8px 10px}
  .nav-toggle-label{display:none}
  .footer-base{flex-direction:column;gap:6px}
  .footer-legal{white-space:normal}
  .to-top{width:100%;justify-content:center}
}

/* ---------- 21 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-on [data-reveal]{opacity:1;transform:none}
  .site-nav{transition:none}
  .scroll-progress{transition:none}
}

/* ---------- 22 打印 ---------- */
@media print{
  .header-top,.site-nav,.to-top,.scroll-progress,.skip-link{display:none !important}
  body{padding:0;background:#fff;color:#000}
  .site-footer{background:#fff;color:#000;border-top:1px solid #999}
}