/* =========================================================
   米乐赛场 · 共享样式 /assets/site.css
   变量 → 重置 → 中文排版 → 页头 → 页脚 → 通用组件 → 响应式
   ========================================================= */

/* ---------- 1 设计变量 ---------- */
:root{
  --ink-green:#0E2A26;
  --night-green:#08201D;
  --turf-green:#1F6F5C;
  --sand-gold:#D8B26A;
  --pale-gold:#F0DDB4;
  --amber:#E4823A;
  --warm-sand:#F6F1E6;
  --charcoal:#12181A;
  --gray-green:#7C8F88;

  --cool-white:#F4F7F5;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"IBM Plex Mono",SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:180ms;
  --dur-slow:420ms;

  --wrap:1240px;
  --gutter:clamp(18px,4vw,56px);
  --header-pad:clamp(15px,2.1vw,24px);

  --line-gold:rgba(216,178,106,.28);
  --line-gold-strong:rgba(216,178,106,.62);
}

/* ---------- 2 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,pre{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}
main{display:block}

/* ---------- 3 中文排版基线 ---------- */
body{
  background:var(--ink-green);
  color:var(--cool-white);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(30px,5.4vw,58px)}
h2{font-size:clamp(23px,3.1vw,36px)}
h3{font-size:clamp(18px,1.9vw,23px);font-weight:700}
h4{font-size:16.5px;font-weight:700}
strong{font-weight:700;color:var(--pale-gold)}
::selection{background:var(--sand-gold);color:var(--night-green)}

.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.05em}

/* ---------- 4 跳转链 ---------- */
.skip-link{
  position:absolute;left:14px;top:-72px;z-index:200;
  padding:10px 20px;
  background:var(--sand-gold);color:var(--night-green);
  font-weight:700;font-size:14px;text-decoration:none;
  border-radius:0 0 10px 10px;
  transition:top var(--dur) var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 5 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--night-green);
  color:var(--cool-white);
  border-bottom:1px solid rgba(216,178,106,.2);
}
@supports ((backdrop-filter:blur(10px)) or (-webkit-backdrop-filter:blur(10px))){
  .site-header{
    background:rgba(8,32,29,.88);
    -webkit-backdrop-filter:blur(10px) saturate(1.15);
    backdrop-filter:blur(10px) saturate(1.15);
  }
}
.site-header::after{
  content:"";
  position:absolute;left:0;bottom:-1px;
  width:min(46%,560px);height:2px;
  background:linear-gradient(90deg,var(--sand-gold),rgba(216,178,106,.12));
  transform-origin:0 50%;
  transform:rotate(-1.5deg);
  pointer-events:none;
}

.site-header__inner{
  position:relative;
  width:100%;max-width:var(--wrap);
  margin-inline:auto;
  padding:var(--header-pad) var(--gutter);
  display:flex;align-items:center;gap:clamp(14px,2.6vw,38px);
  transition:padding var(--dur) var(--ease);
}
.site-header.is-condensed .site-header__inner{
  padding-top:9px;padding-bottom:9px;
}

/* 品牌 */
.brand{
  display:inline-flex;align-items:center;gap:11px;
  flex:0 0 auto;text-decoration:none;color:inherit;
}
.brand__mark{
  width:13px;height:32px;flex:0 0 auto;
  border-radius:3px 9px 3px 9px;
  background:linear-gradient(158deg,var(--sand-gold),var(--amber));
  box-shadow:0 0 0 1px rgba(216,178,106,.34);
  transform:skewX(-13deg);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.brand:hover .brand__mark{
  transform:skewX(-13deg) translateY(-2px);
  box-shadow:0 0 0 1px var(--sand-gold),0 6px 16px rgba(228,130,58,.28);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:clamp(17px,1.5vw,20px);font-weight:800;letter-spacing:.05em}
.brand__sub{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.3em;
  color:var(--gray-green);margin-top:3px;
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;
  padding:8px 15px;
  border:1px solid var(--line-gold-strong);border-radius:999px;
  color:var(--cool-white);font-size:14px;font-weight:600;
  cursor:pointer;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-toggle:hover{background:rgba(216,178,106,.14);border-color:var(--sand-gold)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:17px}
.nav-toggle__bars span{
  display:block;height:1.5px;background:currentColor;border-radius:2px;
  transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle__bars span:first-child,
.site-nav[data-open] ~ .nav-toggle .nav-toggle__bars span:first-child{}
.site-header[data-open] .nav-toggle__bars span:first-child{transform:translateY(2.75px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars span:last-child{transform:translateY(-2.75px) rotate(-45deg)}

/* 主导航 */
.site-nav{margin-left:auto}
.site-nav__list{
  display:flex;align-items:center;
  gap:clamp(6px,1.5vw,26px);
}
.site-nav__item{position:relative}
.site-nav__link{
  position:relative;display:inline-block;
  padding:8px 2px;
  font-size:15px;font-weight:500;letter-spacing:.02em;
  color:var(--cool-white);text-decoration:none;white-space:nowrap;
  transition:color var(--dur) var(--ease);
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:100%;bottom:1px;
  height:1.5px;background:var(--sand-gold);
  transition:right var(--dur) var(--ease),background var(--dur) var(--ease);
}
.site-nav__link:hover{color:var(--pale-gold)}
.site-nav__link:hover::after{right:0}
.site-nav__link[aria-current="page"]{color:var(--sand-gold);font-weight:700}
.site-nav__link[aria-current="page"]::after{right:0;background:var(--amber)}

/* 页头快捷入口 */
.header-quick{
  display:flex;align-items:center;gap:9px;
  max-width:0;opacity:0;overflow:hidden;
  margin-left:0;
  transition:max-width 300ms var(--ease),opacity 200ms var(--ease),margin-left 300ms var(--ease);
}
.site-header.is-condensed .header-quick{
  max-width:430px;opacity:1;margin-left:clamp(10px,2vw,26px);
}
.quick-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;white-space:nowrap;
  border:1px solid var(--line-gold-strong);border-radius:999px;
  font-size:13.5px;font-weight:600;text-decoration:none;
  color:var(--pale-gold);
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.quick-link:hover{background:var(--sand-gold);border-color:var(--sand-gold);color:var(--night-green)}
.quick-link--count{border-color:rgba(228,130,58,.55);color:var(--cool-white)}
.quick-link--count:hover{background:var(--amber);border-color:var(--amber);color:var(--night-green)}
.quick-link__count{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:12px;font-weight:700;line-height:1.5;
  padding:0 6px;border-radius:6px;
  background:var(--amber);color:var(--night-green);
}

/* 阅读进度 */
.scroll-progress{
  position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--amber),var(--sand-gold));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform 120ms linear;
  pointer-events:none;
}

/* ---------- 6 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px,9vw,120px);
  background:var(--night-green);
  color:var(--cool-white);
  border-top:1px solid rgba(216,178,106,.24);
}
.site-footer__inner{
  width:100%;max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(38px,6vw,78px) var(--gutter) 26px;
}
.site-footer__grid{
  display:grid;grid-template-columns:1fr;
  gap:clamp(26px,4vw,52px);
}
.footer-dossier__text{
  margin-top:16px;max-width:36ch;
  font-size:14.5px;line-height:1.85;color:var(--gray-green);
}
.footer-dossier__since{
  margin-top:14px;font-size:13px;color:var(--pale-gold);letter-spacing:.05em;
}
.brand--footer{margin-bottom:4px}
.footer-col__title{
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--sand-gold);
  padding-bottom:9px;margin-bottom:14px;
  border-bottom:1px solid rgba(216,178,106,.22);
}
.footer-list li{font-size:14.5px;line-height:1.7}
.footer-list li + li{margin-top:9px}
.footer-list a{
  position:relative;display:inline-block;
  color:var(--cool-white);text-decoration:none;
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.footer-list a::before{
  content:"";position:absolute;left:0;top:50%;
  width:0;height:1px;background:var(--amber);
  transition:width var(--dur) var(--ease);
}
.footer-list a:hover{color:var(--sand-gold);padding-left:16px}
.footer-list a:hover::before{width:10px}
.footer-list--contact li{color:var(--gray-green);font-size:13.5px;letter-spacing:.02em}

.site-footer__base{
  margin-top:clamp(30px,4vw,54px);
  padding-top:18px;
  border-top:1px solid rgba(216,178,106,.16);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  font-size:13px;color:var(--gray-green);
}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.footer-legal a{
  color:var(--pale-gold);text-decoration:none;
  border-bottom:1px solid rgba(216,178,106,.35);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-legal a:hover{color:var(--sand-gold);border-bottom-color:var(--sand-gold)}
.footer-meta{font-size:13px}
.footer-meta--mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}

/* ---------- 7 容器与画册节奏 ---------- */
.wrap{
  width:100%;max-width:var(--wrap);
  margin-inline:auto;padding-inline:var(--gutter);
}
.section{padding-block:clamp(46px,7.5vw,108px)}
.section--light{background:var(--warm-sand);color:var(--charcoal)}
.section--light h1,.section--light h2,.section--light h3{color:var(--charcoal)}
.rule{
  height:1px;border:0;
  background:linear-gradient(90deg,rgba(216,178,106,0),var(--line-gold-strong) 22%,rgba(216,178,106,.18) 78%,rgba(216,178,106,0));
}

/* ---------- 8 文本组件 ---------- */
.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.24em;text-transform:uppercase;
  color:var(--sand-gold);
}
.eyebrow--vertical{
  writing-mode:vertical-rl;text-orientation:mixed;
  letter-spacing:.34em;font-weight:400;
  color:var(--gray-green);
}
.prose{max-width:62ch;font-size:16.5px;line-height:1.9}
.prose p + p{margin-top:1.05em}
.prose h2{margin-top:1.5em;margin-bottom:.5em}
.prose h3{margin-top:1.3em;margin-bottom:.4em}
.prose ul,.prose ol{margin:1em 0}
.prose li{position:relative;padding-left:20px;margin-bottom:.5em}
.prose li::before{
  content:"";position:absolute;left:2px;top:.82em;
  width:7px;height:1.5px;background:var(--sand-gold);
}
.prose--light{color:var(--charcoal)}
.prose--light li::before{background:var(--amber)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;
  color:var(--gray-green);margin-bottom:20px;
}
.breadcrumb a{color:var(--gray-green);text-decoration:none;transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--sand-gold)}
.breadcrumb__sep{color:rgba(216,178,106,.5)}
.breadcrumb [aria-current="page"]{color:var(--pale-gold)}

/* ---------- 9 卡片与标签 ---------- */
.dossier{
  position:relative;
  padding:clamp(18px,2.4vw,30px);
  border:1px solid var(--line-gold);
  border-radius:4px 18px 4px 10px;
  background:linear-gradient(165deg,rgba(31,111,92,.24),rgba(8,32,29,.88));
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.dossier:hover{
  transform:translateY(-2px);
  border-color:var(--line-gold-strong);
  box-shadow:0 14px 34px rgba(4,16,14,.45);
}
.dossier--light{
  background:var(--warm-sand);color:var(--charcoal);
  border-color:rgba(18,24,26,.14);
}
.dossier--light:hover{border-color:rgba(228,130,58,.6)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;
  font-family:var(--font-mono);font-size:11px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;
  color:var(--pale-gold);
  border:1px solid rgba(216,178,106,.4);
  background:rgba(216,178,106,.07);
}
.tag--amber{
  color:var(--amber);
  border-color:rgba(228,130,58,.5);
  background:rgba(228,130,58,.1);
}

/* ---------- 10 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 22px;
  font-family:inherit;font-size:15px;font-weight:600;line-height:1;
  text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  border-radius:2px 15px 2px 15px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn--primary{background:var(--amber);color:#23140A;border-color:var(--amber)}
.btn--primary:hover{background:var(--sand-gold);border-color:var(--sand-gold);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--pale-gold);border-color:var(--line-gold-strong)}
.btn--ghost:hover{background:rgba(216,178,106,.13);border-color:var(--sand-gold);transform:translateY(-2px)}

/* ---------- 11 图片容器 ---------- */
.media{
  position:relative;isolation:isolate;overflow:hidden;
  border-radius:6px 24px 6px 16px;
  background:linear-gradient(152deg,var(--turf-green),var(--night-green));
  aspect-ratio:4/3;
}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,32,29,0) 46%,rgba(8,32,29,.58));
}
.media--portrait{aspect-ratio:3/4}
.media--wide{aspect-ratio:16/9}
.media--square{aspect-ratio:1/1}
.media__caption{
  margin-top:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--gray-green);
}

/* ---------- 12 分栏与数据 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:clamp(22px,3.6vw,56px)}
.split__side{min-width:0}
.split__body{min-width:0}

.stat{
  display:flex;flex-direction:column;gap:5px;
  padding-left:15px;
  border-left:1px solid var(--line-gold);
}
.stat__value{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:clamp(24px,3.3vw,38px);font-weight:700;line-height:1.1;
  color:var(--pale-gold);letter-spacing:-.01em;
}
.stat__label{font-size:13.5px;color:var(--gray-green);letter-spacing:.04em}

/* ---------- 13 显现协议 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity 520ms var(--ease),transform 520ms var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:none}

/* ---------- 14 焦点与可访问性 ---------- */
:focus-visible{
  outline:2px solid var(--sand-gold);
  outline-offset:2px;
  border-radius:2px;
}
.section--light :focus-visible{outline-color:var(--amber)}

/* ---------- 15 响应式 ---------- */
@media (min-width:640px){
  .site-footer__grid{grid-template-columns:repeat(2,1fr)}
  .split--halves{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:960px){
  .site-footer__grid{grid-template-columns:1.45fr 1fr 1fr 1.25fr}
  .split{grid-template-columns:55fr 45fr}
  .split--reverse{grid-template-columns:45fr 55fr}
  .split--reverse .split__side{order:2}
  .split--reverse .split__body{order:1}
}
@media (max-width:899px){
  .brand__sub{display:none}
  .nav-toggle{display:inline-flex}
  .header-quick{display:none}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    margin-left:0;
    max-height:0;opacity:0;visibility:hidden;overflow:hidden;
    background:var(--night-green);
    border-bottom:1px solid rgba(216,178,106,.34);
    box-shadow:0 22px 44px rgba(4,16,14,.6);
    transition:max-height 300ms var(--ease),opacity 200ms var(--ease),visibility 200ms linear;
  }
  .site-nav[data-open]{
    max-height:min(78vh,620px);
    opacity:1;visibility:visible;overflow-y:auto;
  }
  .site-nav__list{
    flex-direction:column;align-items:stretch;gap:0;
    padding:6px var(--gutter) 18px;
  }
  .site-nav__item{border-top:1px solid rgba(216,178,106,.12)}
  .site-nav__item:first-child{border-top:0}
  .site-nav__link{display:block;padding:15px 2px;font-size:17px;font-weight:600}
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]::before{
    content:"";position:absolute;left:-11px;top:50%;
    width:4px;height:19px;margin-top:-9.5px;
    background:var(--amber);border-radius:2px;
  }
}
@media (max-width:520px){
  body{font-size:16px}
  .site-footer__base{flex-direction:column;align-items:flex-start}
}

/* ---------- 16 降低动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
}