/* ============================================================
   金赢国际站 · /assets/site.css
   共享外壳：reset / 变量 / 头部 / 页脚 / 通用组件
   ============================================================ */

:root{
  --ink-deep:#0B1B3A;
  --ink-mid:#12294F;
  --gold-a:#C9A227;
  --gold-b:#F5D76E;
  --cinnabar:#C0392B;
  --cinnabar-dark:#96301F;
  --paper:#F4EFE2;
  --ink:#1C1A17;
  --slate:#5B6B8C;
  --bronze:#2E8B8B;

  --line-gold:rgba(201,162,39,.32);
  --line-gold-soft:rgba(201,162,39,.18);
  --line-slate:rgba(91,107,140,.28);
  --text-body:#B9C5DA;

  --rail-w:96px;
  --bar-h:68px;
  --maxw:1240px;

  --font-display:"Songti SC","STSong","SimSun","Noto Serif SC","Source Han Serif SC",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --ease:160ms ease;
  --shadow-card:0 2px 6px rgba(11,27,58,.35);
}

/* ---------- reset ---------- */
*,
*::before,
*::after{box-sizing:border-box;}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--bar-h) + 20px);
}

body{
  margin:0;
  min-height:100vh;
  padding-left:var(--rail-w);
  padding-bottom:0;
  background:
    radial-gradient(1200px 620px at 80% -12%, rgba(46,139,139,.16), transparent 62%),
    radial-gradient(900px 520px at 6% 108%, rgba(201,162,39,.13), transparent 60%),
    var(--ink-deep);
  color:var(--text-body);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}

img,svg,video{display:block;max-width:100%;}

h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}

ul[class],
ol[class]{margin:0;padding:0;list-style:none;}

a{color:inherit;}

button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;}

table{border-collapse:collapse;width:100%;}

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

/* ---------- 排版工具 ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.32em;
  text-transform:uppercase;
  color:var(--gold-a);
  margin:0 0 12px;
}

.h-display{
  font-family:var(--font-display);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.12;
  color:#F4EFE2;
}

.h1{font-size:clamp(40px,6.4vw,96px);}
.h2{font-size:clamp(26px,3.4vw,52px);}

.lede{
  font-size:clamp(15px,1.4vw,18px);
  line-height:1.9;
  color:var(--text-body);
  max-width:34em;
}

.muted{color:var(--slate);}

.annot{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.3em;
  text-transform:uppercase;
  color:var(--slate);
}

.annot--vertical{
  writing-mode:vertical-rl;
  transform:rotate(180deg);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line-gold);
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--gold-b);
}

.rule{
  height:1px;
  border:0;
  background:linear-gradient(90deg,rgba(201,162,39,.62),rgba(201,162,39,0));
}

/* ---------- 布局工具 ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 clamp(16px,3vw,40px);
}

.section{padding:64px 0;}

.paper{
  background:var(--paper);
  color:var(--ink);
}
.paper .h-display{color:var(--ink);}
.paper .lede{color:#4A4438;}
.paper .muted{color:#6B6355;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:2px;
  font-family:var(--font-body);
  font-size:14px;
  letter-spacing:.06em;
  line-height:1.2;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:border-color var(--ease),background-color var(--ease),color var(--ease);
}

.btn--sm{padding:8px 14px;font-size:13px;}

.btn--ghost{
  border-color:var(--line-gold);
  color:var(--gold-b);
  background:transparent;
}
.btn--ghost:hover{
  border-color:var(--gold-b);
  background:rgba(201,162,39,.12);
}

.btn--seal{
  border-color:var(--cinnabar);
  background:var(--cinnabar);
  color:#FFF2E6;
}
.btn--seal:hover{
  background:var(--cinnabar-dark);
  border-color:var(--cinnabar-dark);
}

.btn--gold{
  border-color:transparent;
  background:linear-gradient(120deg,var(--gold-a),var(--gold-b));
  color:#0B1B3A;
  font-weight:600;
}
.btn--gold:hover{
  background:linear-gradient(120deg,var(--gold-b),var(--gold-a));
}

/* ---------- 头部外壳 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,27,58,.9);
  border-bottom:1px solid var(--line-gold-soft);
}

.read-progress{
  position:fixed;
  top:0;
  left:var(--rail-w);
  right:0;
  height:2px;
  z-index:200;
  background:linear-gradient(90deg,var(--gold-a),var(--gold-b));
  transform:scaleX(0);
  transform-origin:0 50%;
  pointer-events:none;
  will-change:transform;
}

.skip-link{
  position:absolute;
  left:12px;
  top:-72px;
  z-index:300;
  padding:10px 18px;
  border-radius:2px;
  background:var(--gold-b);
  color:#0B1B3A;
  font-size:13px;
  letter-spacing:.08em;
  text-decoration:none;
  transition:top var(--ease);
}
.skip-link:focus{top:10px;}

.site-header__bar{
  display:flex;
  align-items:center;
  gap:clamp(12px,2.4vw,28px);
  height:var(--bar-h);
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 clamp(16px,3vw,40px);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}

/* 品牌 */
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  text-decoration:none;
}
.brand__seal{
  width:38px;
  height:38px;
  flex:0 0 38px;
  display:grid;
  place-items:center;
  border-radius:3px;
  background:linear-gradient(140deg,var(--gold-a),var(--gold-b));
  color:#0B1B3A;
  font-family:var(--font-display);
  font-size:20px;
  font-weight:700;
  box-shadow:var(--shadow-card);
}
.brand__lockup{
  display:flex;
  flex-direction:column;
  line-height:1.18;
}
.brand__name{
  font-size:16px;
  font-weight:600;
  letter-spacing:.05em;
  color:var(--gold-b);
}
.brand__tag{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.26em;
  color:var(--slate);
}

/* 更新提示 */
.bar__ticker{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--slate);
}
.bar__dot{
  width:6px;
  height:6px;
  flex:0 0 6px;
  border-radius:50%;
  background:var(--bronze);
}

/* 操作区 */
.bar__actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 12px;
  border:1px solid var(--line-gold);
  border-radius:2px;
  transition:border-color var(--ease);
}
.nav-toggle:hover{border-color:var(--gold-b);}
.nav-toggle__bars{
  display:grid;
  gap:4px;
  width:16px;
}
.nav-toggle__bars i{
  display:block;
  height:1px;
  background:var(--gold-b);
  transition:transform var(--ease),opacity var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
.nav-toggle__text{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  color:var(--gold-b);
}

/* ---------- 左侧拼音索引轨道 ---------- */
.index-rail{
  position:fixed;
  top:0;
  left:0;
  bottom:0;
  width:var(--rail-w);
  z-index:70;
  display:flex;
  flex-direction:column;
  padding:16px 0 16px;
  background:linear-gradient(180deg,#12294F 0%,#0E2140 100%);
  border-right:1px solid var(--line-gold);
  overflow:hidden;
}

.rail-handle{display:none;}

.rail-list{
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
  gap:2px;
  overflow-y:auto;
  overscroll-behavior:contain;
}

.rail-item{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:12px 8px 12px 14px;
  text-decoration:none;
  color:#A9B7D0;
  transition:color var(--ease),background-color var(--ease);
}
.rail-item::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  bottom:9px;
  width:2px;
  background:var(--slate);
  opacity:.22;
  transition:opacity var(--ease),background var(--ease),width var(--ease);
}
.rail-item__pin{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--slate);
  transition:color var(--ease);
}
.rail-item__cn{
  font-family:var(--font-display);
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  line-height:1.2;
}
.rail-item:hover{
  background:rgba(201,162,39,.08);
  color:#F4EFE2;
}
.rail-item:hover::before{
  background:var(--gold-a);
  opacity:1;
}
.rail-item[aria-current="page"]{
  background:linear-gradient(90deg,rgba(201,162,39,.2),rgba(201,162,39,0));
  color:var(--gold-b);
}
.rail-item[aria-current="page"]::before{
  width:3px;
  opacity:1;
  background:linear-gradient(180deg,var(--gold-a),var(--gold-b));
}
.rail-item[aria-current="page"] .rail-item__pin{color:var(--gold-a);opacity:1;}

.rail-note{
  flex:0 0 auto;
  padding:12px 12px 0;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--slate);
  border-top:1px solid var(--line-gold-soft);
  margin-top:10px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  border-top:1px solid var(--line-gold);
  background:var(--ink-deep);
  padding:56px clamp(16px,3vw,40px) 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--gold-a) 22%,var(--gold-b) 50%,var(--gold-a) 78%,transparent);
}

.footer__grid{
  max-width:var(--maxw);
  margin:0 auto;
  display:grid;
  gap:44px 40px;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
}

.footer__brand{min-width:0;}

.footer__name{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--paper);
  margin-bottom:6px;
}
.footer__tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.3em;
  color:var(--gold-a);
  margin-bottom:20px;
}

.footer__contact li{
  display:flex;
  flex-wrap:wrap;
  gap:2px 10px;
  padding:6px 0;
  border-bottom:1px dashed var(--line-slate);
  font-size:13px;
  line-height:1.7;
}
.footer__contact li:last-child{border-bottom:0;}
.footer__label{
  flex:0 0 auto;
  min-width:5em;
  padding-top:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--gold-a);
}
.footer__value{
  min-width:0;
  color:var(--text-body);
  word-break:break-word;
}

.footer__note{
  margin-top:16px;
  font-size:12px;
  line-height:1.85;
  color:var(--slate);
  max-width:36em;
}

.footer__col{min-width:0;}

.footer__col-title{
  padding-bottom:10px;
  margin-bottom:16px;
  border-bottom:1px solid var(--line-gold);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.28em;
  color:var(--gold-b);
}

.footer__list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer__list a{
  display:inline-flex;
  align-items:center;
  gap:0;
  font-size:14px;
  color:var(--text-body);
  text-decoration:none;
  transition:color var(--ease),gap var(--ease);
}
.footer__list a::before{
  content:"";
  width:0;
  height:1px;
  background:var(--gold-b);
  transition:width var(--ease);
}
.footer__list a:hover{
  color:var(--gold-b);
  gap:8px;
}
.footer__list a:hover::before{width:12px;}

.footer__base{
  max-width:var(--maxw);
  margin:44px auto 0;
  padding-top:18px;
  border-top:1px solid var(--line-slate);
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  justify-content:space-between;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--slate);
}
.footer__copy{min-width:0;word-break:break-word;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:18px 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--slate);
}
.breadcrumb li::after{
  content:"/";
  color:rgba(91,107,140,.55);
}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a{
  color:var(--slate);
  text-decoration:none;
  transition:color var(--ease);
}
.breadcrumb a:hover{color:var(--gold-b);}
.breadcrumb [aria-current="page"]{color:var(--gold-b);}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  min-width:0;
  padding:22px;
  border:1px solid var(--line-gold-soft);
  border-radius:3px;
  background:var(--ink-mid);
  box-shadow:var(--shadow-card);
  transition:border-color var(--ease);
}
.card:hover{border-color:rgba(245,215,110,.55);}

/* ---------- 数据表格 ---------- */
.data-table{
  width:100%;
  font-size:14px;
  line-height:1.7;
}
.data-table caption{
  padding:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-align:left;
  color:var(--slate);
}
.data-table th{
  padding:12px 14px;
  text-align:left;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--gold-b);
  background:rgba(46,139,139,.14);
  border-bottom:1px solid var(--gold-a);
  white-space:nowrap;
}
.data-table td{
  padding:12px 14px;
  color:var(--text-body);
  border-bottom:1px solid var(--line-slate);
}
.data-table tbody tr:nth-child(even){background:rgba(18,41,79,.6);}
.data-table tbody tr:hover{outline:1px solid rgba(201,162,39,.6);outline-offset:-1px;}

/* ---------- 响应式图片容器 ---------- */
.figure{
  position:relative;
  margin:0;
  overflow:hidden;
  border:1px solid var(--line-gold-soft);
  border-radius:3px;
  background:
    linear-gradient(150deg,rgba(46,139,139,.22),rgba(11,27,58,.9) 62%),
    var(--ink-mid);
  aspect-ratio:16 / 9;
  width:100%;
}
.figure--wide{aspect-ratio:21 / 9;}
.figure--tall{aspect-ratio:3 / 4;}

.figure__img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.figure__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:12px 16px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--paper);
  background:linear-gradient(0deg,rgba(11,27,58,.92),rgba(11,27,58,0));
}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}

/* ---------- 移动端：轨道折叠为底部抽屉 ---------- */
@media (max-width:900px){
  :root{--rail-w:0px;}

  body{padding-bottom:56px;}

  .site-header__bar{gap:12px;}

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

  .index-rail{
    top:auto;
    left:0;
    right:0;
    bottom:0;
    width:auto;
    height:72vh;
    border-right:0;
    border-top:1px solid rgba(201,162,39,.55);
    border-radius:16px 16px 0 0;
    padding:0 0 12px;
    background:linear-gradient(180deg,#142C54 0%,#0B1B3A 100%);
    box-shadow:0 -10px 30px rgba(0,0,0,.45);
    transform:translateY(calc(100% - 48px));
    transition:transform 240ms ease;
  }
  .index-rail[data-open]{transform:translateY(0);}

  .rail-handle{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    height:48px;
    flex:0 0 48px;
    width:100%;
    cursor:pointer;
  }
  .rail-handle__grip{
    width:34px;
    height:3px;
    border-radius:2px;
    background:linear-gradient(90deg,var(--gold-a),var(--gold-b));
  }
  .rail-handle__text{
    font-family:var(--font-mono);
    font-size:11px;
    letter-spacing:.24em;
    color:var(--gold-b);
  }

  .rail-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:0;
    padding:0 12px;
    align-content:start;
  }
  .rail-item{
    padding:12px 10px;
    border-bottom:1px solid var(--line-gold-soft);
  }
  .rail-item::before{display:none;}
  .rail-item[aria-current="page"]{
    background:rgba(201,162,39,.16);
  }
  .rail-note{display:none;}

  .site-footer{padding-top:44px;}
}

@media (max-width:640px){
  .bar__ticker{display:none;}
  .bar__actions .btn--ghost{display:none;}
  .brand__tag{display:none;}
}

@media (max-width:480px){
  .nav-toggle__text{display:none;}
  .section{padding:44px 0;}
  .footer__grid{gap:34px 24px;}
}

/* ---------- 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;
  }
  .index-rail{transition:none;}
}