:root{
  --deep:#0B3550;
  --ink:#07141F;
  --salt:#F6F8F4;
  --coral:#FF6B4A;
  --coral-deep:#B9381F;
  --tide-line:#1B5A78;
  --mint:#66D9B8;
  --mint-mist:#D8F5EA;
  --line:#D7E0E4;
  --body:#334C5B;
  --paper:#FFFFFF;
  --radius:12px;
  --shadow-1:0 1px 0 rgba(7,20,31,.04), 0 10px 26px -20px rgba(7,20,31,.5);
  --shadow-2:0 16px 40px -26px rgba(11,53,80,.62);
  --font-display:"Archivo Black","Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Georgia","Songti SC","SimSun",serif;
  --font-body:"Noto Sans SC","Inter",system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --shell:1180px;
  --dock-h:66px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  color:var(--body);
  background-color:var(--salt);
  background-image:
    radial-gradient(120% 58% at 88% -8%, rgba(102,217,184,.16), transparent 62%),
    radial-gradient(90% 46% at -4% 0%, rgba(11,53,80,.07), transparent 58%);
  background-repeat:no-repeat;
  padding-bottom:calc(var(--dock-h) + 22px);
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%}
img{height:auto;display:block}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
main{display:block}
#main-content{scroll-margin-top:98px}

h1,h2,h3,h4{margin:0 0 .55em;color:var(--ink);line-height:1.16;font-weight:700}
h1{font-family:var(--font-display);font-weight:900;font-size:clamp(2.2rem,4.4vw,4.25rem);letter-spacing:-.02em;line-height:1.04}
h2{font-family:var(--font-serif);font-size:clamp(1.55rem,2.6vw,2.5rem);letter-spacing:-.01em}
h3{font-family:var(--font-body);font-size:clamp(1.12rem,1.6vw,1.5rem)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
strong{color:var(--ink)}
a{color:var(--coral-deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
.mono,code,kbd,samp{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
:where(a,button,[tabindex],summary):focus-visible{
  outline:3px solid var(--mint);
  outline-offset:3px;
  border-radius:8px;
}

/* ---------- 布局容器 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.section{padding-block:clamp(30px,4.6vw,62px)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:10px 22px;
  padding-bottom:14px;margin-bottom:clamp(18px,3vw,32px);
  border-bottom:1px solid var(--line);
}
.section-head h2{margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--tide-line);
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--coral)}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}

.prose{max-width:68ch}
.prose h2{margin-top:1.5em}
.prose ul,.prose ol{list-style:disc;padding-left:1.2em;margin-bottom:1.1em}
.prose ol{list-style:decimal}

.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  padding:clamp(16px,2.2vw,26px);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  border:1px solid rgba(102,217,184,.55);
  background:var(--mint-mist);color:#0E4B3A;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:999px;
  font-family:var(--font-body);font-size:15px;font-weight:700;line-height:1;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--coral);color:#2A0C05;box-shadow:0 12px 26px -18px rgba(255,107,74,.95)}
.btn--primary:hover{background:#ff7f63;transform:translateY(-1px)}
.btn--deep{background:var(--deep);color:var(--salt)}
.btn--deep:hover{background:#12496A;transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--deep);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--deep);background:rgba(11,53,80,.04)}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0 0 20px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.03em;
  color:var(--body);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:#A9BBC4}
.breadcrumb a{color:var(--tide-line);text-decoration:none}
.breadcrumb a:hover{color:var(--coral-deep);text-decoration:underline}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- 图片容器基础规则 ---------- */
.media-figure{margin:0;display:grid;gap:10px}
.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  background:
    linear-gradient(135deg, rgba(11,53,80,.10), rgba(102,217,184,.14) 55%, rgba(255,107,74,.10)),
    var(--salt);
  box-shadow:var(--shadow-1);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg, rgba(11,53,80,.14) 0 1px, transparent 1px 30px);
  opacity:.45;
}
.media-frame img,.media-frame picture{display:block;width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--tall{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-caption{font-family:var(--font-mono);font-size:12.5px;color:var(--body);letter-spacing:.02em}

/* ---------- 波纹纹理 ---------- */
.tide-texture{position:relative;overflow:hidden}
.tide-texture::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-radial-gradient(circle at 22% 118%, rgba(102,217,184,.22) 0 1px, transparent 1px 24px);
  opacity:.7;
}

/* ---------- 章节高亮协议 ---------- */
[data-section-link]{transition:color .18s ease,border-color .18s ease,background-color .18s ease}
[data-section-link].is-active{color:var(--coral-deep);border-color:var(--coral-deep);font-weight:700}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-180%);
  padding:11px 20px;border-radius:999px;
  background:var(--ink);color:var(--salt);
  font-weight:700;font-size:14px;text-decoration:none;
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding-block:14px 10px;
  background:linear-gradient(180deg, rgba(246,248,244,.98) 0%, rgba(246,248,244,.88) 64%, rgba(246,248,244,0) 100%);
}
.read-progress{
  position:absolute;top:0;left:0;right:0;height:3px;
  background:rgba(11,53,80,.08);overflow:hidden;
}
.read-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--coral),var(--mint));
}
.header-shell{
  display:flex;flex-wrap:nowrap;align-items:center;
  gap:clamp(10px,1.5vw,20px);
}
.brand{
  display:inline-flex;align-items:center;gap:12px;
  padding:8px 20px 8px 8px;
  background:var(--deep);color:var(--salt);
  border:1px solid rgba(102,217,184,.24);
  border-radius:999px;text-decoration:none;
  box-shadow:var(--shadow-2);
  transition:padding .2s ease,box-shadow .2s ease;
}
.brand:hover{text-decoration:none;box-shadow:0 20px 44px -26px rgba(11,53,80,.85)}
.brand__badge{
  display:grid;place-items:center;flex:0 0 auto;
  width:44px;height:44px;border-radius:50%;
  background:var(--coral);color:#2A0C05;
  font-family:var(--font-mono);font-weight:700;font-size:15px;
  letter-spacing:-.02em;
  transition:width .2s ease,height .2s ease,font-size .2s ease;
}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__line{font-family:var(--font-display);font-weight:900;font-size:16px;letter-spacing:.02em}
.brand__sub{font-size:11px;letter-spacing:.07em;color:rgba(246,248,244,.7);margin-top:2px}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;padding:11px 18px;
  border-radius:999px;border:1px solid var(--line);
  background:var(--paper);color:var(--deep);
  font-weight:700;font-size:14px;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;height:12px}
.nav-toggle__bars i{display:block;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform .18s ease,opacity .18s ease}
.nav-toggle__label{letter-spacing:.04em}
.site-header[data-open] .nav-toggle{background:var(--deep);color:var(--salt);border-color:var(--deep)}
.site-header[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.capsule-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;padding:6px 6px 6px 10px;
  background:var(--deep);
  border:1px solid rgba(102,217,184,.22);
  border-radius:999px;
  box-shadow:var(--shadow-2);
  transition:padding .2s ease;
}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list a{
  display:block;padding:9px 13px;border-radius:999px;
  color:rgba(246,248,244,.84);
  font-size:14.5px;font-weight:500;text-decoration:none;white-space:nowrap;
  transition:color .18s ease,background-color .18s ease,padding .2s ease,font-size .2s ease;
}
.nav-list a:hover{color:#fff;background:rgba(102,217,184,.16)}
.nav-list a[aria-current="page"]{background:var(--coral);color:#2A0C05;font-weight:700}
.nav-cta{padding:10px 17px;font-size:14px}

.site-header.is-condensed .brand{padding:5px 16px 5px 5px}
.site-header.is-condensed .brand__badge{width:34px;height:34px;font-size:13px}
.site-header.is-condensed .brand__sub{display:none}
.site-header.is-condensed .capsule-nav{padding:4px 4px 4px 8px}
.site-header.is-condensed .nav-list a{padding:6px 11px;font-size:13.5px}
.site-header.is-condensed .nav-cta{padding:8px 14px;font-size:13px}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;overflow:hidden;
  margin-top:clamp(48px,7vw,96px);
  padding-block:clamp(40px,5.6vw,72px) 0;
  background:var(--deep);color:rgba(246,248,244,.78);
}
.site-footer::after{
  content:"";position:absolute;left:-10%;right:-10%;bottom:-140px;height:340px;
  background-image:repeating-radial-gradient(circle at 50% 100%, rgba(102,217,184,.12) 0 1px, transparent 1px 26px);
  pointer-events:none;
}
.footer-shell{position:relative;z-index:1}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1.5fr);
  gap:clamp(24px,3vw,44px);
  padding-bottom:clamp(28px,4vw,48px);
}
.footer-brand__mark{
  display:flex;align-items:baseline;gap:6px;
  font-family:var(--font-display);font-weight:900;font-size:22px;
  color:var(--salt);margin:0 0 12px;letter-spacing:.01em;
}
.footer-brand__num{font-family:var(--font-mono);font-size:19px;color:var(--coral)}
.footer-brand__summary{margin:0 0 16px;font-size:14.5px;line-height:1.65;color:rgba(246,248,244,.72);max-width:30ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags li{
  padding:5px 10px;border-radius:999px;
  border:1px solid rgba(102,217,184,.34);
  background:rgba(102,217,184,.10);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;
  color:var(--mint);
}
.footer-col__title{
  font-family:var(--font-body);font-weight:700;
  font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--mint);margin:0 0 16px;
}
.footer-list,.site-footer ul{display:grid;gap:10px}
.footer-list a{color:rgba(246,248,244,.8);text-decoration:none;font-size:14.5px}
.footer-list a:hover{color:var(--mint);text-decoration:underline;text-underline-offset:4px}
.footer-contact .footer-col__title{margin-bottom:10px}
.contact-row{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:10px;
  padding:9px 0;border-bottom:1px dashed rgba(246,248,244,.18);
}
.contact-row__label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:rgba(246,248,244,.46)}
.contact-row__value{font-family:var(--font-mono);font-size:13px;color:var(--salt);overflow-wrap:anywhere}
.copy-btn{
  flex:0 0 auto;padding:5px 11px;border-radius:999px;
  border:1px solid rgba(246,248,244,.28);background:transparent;
  color:rgba(246,248,244,.85);font-size:12px;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover{background:rgba(102,217,184,.18);border-color:rgba(102,217,184,.6);color:var(--salt)}
.copy-btn[data-copied="true"]{background:var(--mint);border-color:var(--mint);color:#062A20;font-weight:700}
.copy-btn[data-copied="false"]{border-color:var(--coral);color:var(--coral)}
.footer-note{margin:14px 0 0;font-size:12.5px;line-height:1.6;color:rgba(246,248,244,.55);max-width:34ch}

.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 20px;
  padding-block:18px 22px;
  border-top:1px solid rgba(246,248,244,.14);
}
.footer-meta,.footer-legal{
  margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
  color:rgba(246,248,244,.58);
}
.footer-meta span{color:var(--mint)}
.to-top{
  padding:9px 16px;border-radius:999px;
  border:1px solid rgba(246,248,244,.28);background:transparent;
  color:var(--salt);font-size:13px;font-weight:600;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.to-top:hover{background:var(--mint);border-color:var(--mint);color:#062A20}

/* ---------- 固定开奖入口栏 ---------- */
.dock-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:flex;justify-content:center;
  padding:10px clamp(12px,3vw,24px) calc(10px + env(safe-area-inset-bottom, 0px));
  background:linear-gradient(180deg, rgba(7,20,31,0), rgba(7,20,31,.18));
  pointer-events:none;
}
.dock-bar__inner{
  pointer-events:auto;
  display:flex;align-items:center;gap:6px;
  padding:6px;
  background:var(--deep);
  border:1px solid rgba(102,217,184,.3);
  border-radius:999px;
  box-shadow:0 -6px 34px -14px rgba(7,20,31,.7);
}
.dock-bar__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:rgba(246,248,244,.55);padding-inline:12px 4px;text-transform:uppercase}
.dock-link{
  padding:9px 18px;border-radius:999px;
  color:var(--salt);text-decoration:none;
  font-size:14px;font-weight:600;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.dock-link:hover{background:rgba(102,217,184,.18);text-decoration:none}
.dock-link--primary{background:var(--coral);color:#2A0C05}
.dock-link--primary:hover{background:#ff8064;color:#2A0C05}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

@media (max-width:980px){
  :root{--dock-h:72px}
  .header-shell{flex-wrap:wrap;row-gap:10px}
  .brand{padding-right:16px}
  .brand__sub{display:none}
  .nav-toggle{display:inline-flex}
  .capsule-nav{
    order:3;display:none;width:100%;
    flex-direction:column;align-items:stretch;
    margin-left:0;padding:10px;border-radius:20px;
  }
  .site-header[data-open] .capsule-nav{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-list a{padding:12px 14px;border-radius:12px;font-size:16px}
  .nav-cta{margin-top:6px;justify-content:center}
  .site-header.is-condensed .nav-list a{padding:12px 14px;font-size:16px}
  .site-header.is-condensed .nav-cta{padding:13px 22px;font-size:15px}
}

@media (max-width:720px){
  .section-head{align-items:flex-start;flex-direction:column;gap:8px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .contact-row{grid-template-columns:auto minmax(0,1fr);row-gap:6px}
  .contact-row .copy-btn{grid-column:2;justify-self:start}
  .footer-base{flex-direction:column;align-items:flex-start}
}

@media (max-width:640px){
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dock-bar{padding:8px 10px calc(8px + env(safe-area-inset-bottom, 0px))}
  .dock-bar__inner{width:100%;justify-content:space-between;padding:5px}
  .dock-bar__label{display:none}
  .dock-link{flex:1 1 0;text-align:center;padding:11px 8px;font-size:13.5px}
  .read-progress{height:2px}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}