@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root{
  --ink:#1B1B3A;
  --ink2:#14142C;
  --ink3:#2A2A55;
  --pink:#EF476F;
  --yellow:#FFD166;
  --paper:#F6F2E8;
  --r:18px;
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:'VT323',ui-monospace,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:19px;
  line-height:1.65;
  overflow-x:hidden;
  padding-bottom:132px;
}

h1,h2,h3,h4{
  font-family:'Press Start 2P','VT323',ui-monospace,'PingFang SC','Microsoft YaHei',sans-serif;
  font-weight:700;
  line-height:1.55;
  letter-spacing:.02em;
  color:var(--yellow);
  margin:0 0 14px;
}

p{margin:0 0 14px}
a{color:var(--yellow);text-decoration:none}
a:hover{color:var(--pink)}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0 0 14px;padding-left:22px}
li{margin-bottom:6px}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

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

/* 底部固定导航条 */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;gap:8px 10px;padding:9px 12px 11px;
  background:var(--ink2);
  border-top:3px solid var(--pink);
  border-radius:var(--r) var(--r) 0 0;
  grid-template-columns:1fr auto;
  grid-template-areas:"brand search" "menus menus";
  align-items:center;
}
.dock-brand{
  grid-area:brand;justify-self:center;
  display:inline-flex;align-items:center;gap:8px;min-height:44px;
  font-family:'Press Start 2P','VT323',ui-monospace,'PingFang SC',sans-serif;
  font-size:16px;color:var(--yellow);letter-spacing:.04em;
}
.brand-mark{color:var(--pink)}
.dock-search{grid-area:search;display:flex;gap:6px}
.dock-search input{
  width:104px;min-height:40px;padding:6px 10px;
  background:var(--ink3);border:2px solid var(--ink3);border-radius:4px;
  color:var(--paper);font-family:inherit;font-size:16px;
}
.dock-search button{
  min-height:40px;padding:0 12px;background:var(--yellow);color:var(--ink);
  border:0;border-radius:4px;font-family:inherit;font-size:16px;font-weight:700;cursor:pointer;
}
.dock-search button:hover{background:var(--pink)}
.dock-menus{
  grid-area:menus;display:flex;gap:6px;
  overflow-x:auto;scrollbar-width:none;padding-bottom:2px;
}
.dock-menus::-webkit-scrollbar{display:none}
.dock-menus ul{list-style:none;display:flex;gap:6px;margin:0;padding:0;flex:0 0 auto}
.dock-menus a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 12px;
  border-radius:4px;border:2px solid transparent;
  color:var(--paper);font-size:16px;white-space:nowrap;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.dock-menus a:hover,.dock-menus a:focus-visible{
  background:var(--pink);border-color:var(--pink);color:var(--ink);
}

/* 主体 */
main{max-width:1180px;margin:0 auto;padding:0 18px}

.hero{
  min-height:100vh;
  display:flex;flex-direction:column;justify-content:center;gap:26px;
  padding:28px 0 40px;
}
.hero-copy h1{font-size:clamp(23px,5.6vw,42px);margin-bottom:16px}
.hero-copy .lead{font-size:18px;color:#D9D4E8;max-width:46ch}

.hero-media{
  position:relative;margin:0;
  border:3px solid var(--yellow);border-radius:var(--r);
  overflow:hidden;aspect-ratio:4/3;background:var(--ink3);
}
.hero-media .hero-img{width:100%;height:100%;object-fit:cover}
.hero-block{
  height:100%;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:18px;
  background:var(--pink);
}
.hero-block span{background:var(--yellow);border-radius:4px}
.hero-block span:nth-child(2){background:var(--ink)}
.hero-block span:nth-child(3){background:var(--paper)}
.hero-badge{
  position:absolute;left:12px;bottom:12px;max-width:calc(100% - 24px);
  background:var(--yellow);color:var(--ink);
  font-family:'Press Start 2P','VT323',ui-monospace,'PingFang SC',sans-serif;
  font-size:16px;line-height:1.5;padding:8px 12px;border-radius:4px;
}

.layout{display:grid;gap:26px;padding-bottom:24px}
.col-main{min-width:0}

.col-main > section{
  background:#1F1F45;
  border:2px solid var(--ink3);
  border-bottom:6px solid var(--pink);
  border-radius:var(--r);
  padding:26px 22px;
  margin-bottom:26px;
  scroll-margin-top:18px;
}
.col-main > section:nth-child(even){border-bottom-color:var(--yellow)}
.col-main > section > :last-child{margin-bottom:0}

.subtitle{
  color:var(--pink);font-size:16px;letter-spacing:.12em;
  margin:-6px 0 18px;
}

.col-main h2{font-size:clamp(18px,2.6vw,24px)}
.col-main h3{font-size:18px;color:var(--pink);margin-top:22px}
.col-main a{text-decoration:underline;text-underline-offset:3px}
.col-main figure{margin:18px 0;border:2px solid var(--ink3);border-radius:4px;overflow:hidden}
.col-main blockquote{
  margin:18px 0;border-left:5px solid var(--yellow);
  padding:8px 0 8px 16px;color:#E7E2F2;
}
.col-main table{width:100%;border-collapse:collapse;font-size:17px;margin:0 0 16px}
.col-main th,.col-main td{border:2px solid var(--ink3);padding:8px 10px;text-align:left}
.col-main th{background:var(--ink3);color:var(--yellow)}

/* 侧栏 */
.rail{
  background:var(--ink2);border:2px solid var(--pink);border-radius:var(--r);
  padding:20px 18px;align-self:start;
}
.rail h2{font-size:16px;margin-bottom:6px}
.rail .subtitle{margin:0 0 14px;font-size:16px}
.rail-list{list-style:none;padding:0;margin:0 0 16px;counter-reset:rail}
.rail-list li{counter-increment:rail;margin:0}
.rail-list a{
  display:flex;align-items:center;gap:10px;min-height:40px;padding:9px 0;
  border-bottom:1px dashed var(--ink3);color:var(--paper);font-size:17px;
}
.rail-list a::before{
  content:counter(rail,decimal-leading-zero);
  color:var(--pink);font-size:16px;flex:0 0 auto;
}
.rail-top{
  display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  background:var(--yellow);color:var(--ink);border-radius:4px;font-weight:700;
}
.rail-top:hover{background:var(--pink);color:var(--ink)}

/* 页脚 */
.foot{
  background:var(--ink2);border-top:4px solid var(--pink);
  padding:34px 18px 24px;margin-top:30px;
}
.foot-grid{display:grid;gap:24px}
.foot-brand{display:inline-flex;align-items:center;gap:8px;color:var(--yellow);font-size:17px}
.foot-addr{font-style:normal;display:flex;flex-direction:column;gap:6px;margin:0 0 14px}
.foot-host{color:#A9A3C7;font-size:16px;word-break:break-all}
.foot-links{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.foot-links a{
  display:inline-flex;align-items:center;min-height:40px;padding:0 12px;
  border:2px solid var(--ink3);border-radius:4px;color:var(--paper);font-size:16px;
}
.foot-links a:hover{border-color:var(--pink);color:var(--pink)}
.foot-nav dl{margin:0}
.foot-nav dt a{
  display:flex;align-items:center;min-height:40px;padding:0 2px;
  border-bottom:1px dashed var(--ink3);color:var(--paper);font-size:16px;
}
.foot-nav dt a:hover{color:var(--pink)}
.foot-nav dd{margin:0}
.foot-h2{font-size:16px}
.foot-form{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.foot-form input{
  flex:1 1 140px;min-height:44px;padding:8px 12px;
  background:var(--ink3);border:2px solid var(--ink3);border-radius:4px;
  color:var(--paper);font-family:inherit;font-size:16px;
}
.foot-form button{
  min-height:44px;padding:0 16px;background:var(--pink);color:var(--ink);
  border:0;border-radius:4px;font-family:inherit;font-size:16px;font-weight:700;cursor:pointer;
}
.foot-form button:hover{background:var(--yellow)}
.copy{
  border-top:2px solid var(--ink3);margin:26px 0 0;padding-top:14px;
  font-size:16px;color:#A9A3C7;text-align:center;
}

/* 桌面 */
@media (min-width:900px){
  body{padding-bottom:92px}
  .dock{
    grid-template-columns:1fr auto 1fr auto;
    grid-template-areas:"left brand right search";
    padding:9px 22px;
  }
  .dock-menus{display:contents}
  .dock-l{grid-area:left;justify-self:end}
  .dock-r{grid-area:right;justify-self:start}
  .dock-search input{width:150px}
  .hero{flex-direction:row;align-items:center;gap:48px}
  .hero-media{order:1;flex:1 1 52%;aspect-ratio:5/4}
  .hero-copy{order:2;flex:1 1 48%;text-align:right}
  .hero-copy .lead{margin-left:auto}
  .layout{grid-template-columns:minmax(0,1fr) 250px;align-items:start}
  .rail{position:sticky;top:20px}
}

@media (min-width:760px){
  .foot-grid{grid-template-columns:1.1fr 1fr 1.1fr;gap:32px}
}

@media (min-width:1180px){
  .col-main > section{padding:32px 30px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}

button[aria-expanded]{min-width:44px;min-height:44px}