/* ZeroSet Games — 对外站点样式。设计稿方案 F「星图档案」：深夜蓝、细网格、等宽字、冰蓝描边。 */

:root{
  --bg:#070b16; --panel:#0b1122; --ink:#dfe7f5; --muted:#8494b5; --dim:#3a4867;
  --hair:#1c2740; --grid:#121a30; --accent:#7cd4f7; --danger:#ff7a6b;
  --mono:'IBM Plex Mono','Noto Sans SC','PingFang SC','Microsoft YaHei',ui-monospace,monospace;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --pad:72px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--mono);font-size:14px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:72px 72px;background-position:-1px -1px}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit}

.stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
main,.top,.foot{position:relative;z-index:1}

/* ---------------------------------------------------------- 通用零件 */

.eyebrow{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.eyebrow--accent{color:var(--accent)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 24px;
  font-size:13px;letter-spacing:.06em;white-space:nowrap;border:1px solid var(--accent);color:var(--accent);
  transition:background .12s,color .12s}
.btn:hover{background:var(--accent);color:var(--bg)}
.btn--fill{background:var(--accent);color:var(--bg)}
.btn--fill:hover{background:#a6e3fb}
.btn--block{width:100%}
.lnk{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--ink);
  border-bottom:1px solid var(--dim);padding-bottom:2px}
.lnk:hover{color:var(--accent);border-color:var(--accent)}
.ico{flex:none}

.pill{display:inline-flex;align-items:center;height:20px;padding:0 7px;margin-left:10px;border:1px solid var(--dim);
  font-size:10px;letter-spacing:.12em;color:var(--muted);vertical-align:2px;font-weight:400}

/* ------------------------------------------------------------- 顶栏 */

.top{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;padding:0 var(--pad);
  border-bottom:1px solid var(--hair);background:rgba(7,11,22,.86);backdrop-filter:blur(6px);
  position:sticky;top:0;z-index:20;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__logo{width:28px;height:28px;image-rendering:pixelated;border:1px solid var(--accent);flex:none}
.brand__name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top__right{display:flex;align-items:center;gap:32px;min-width:0}
.nav{display:flex;gap:32px}
.nav__item{color:var(--muted);white-space:nowrap;padding:4px 0}
.nav__item:hover{color:var(--accent)}
.langswitch{display:flex;align-items:center;gap:8px;padding-left:24px;border-left:1px solid var(--hair);color:var(--muted);white-space:nowrap}
.langswitch a:hover{color:var(--accent)}
.langswitch a.is-active{color:var(--accent)}
.langswitch__sep{color:var(--dim)}

/* ------------------------------------------------------------- 首屏 */

.hero{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;
  padding:96px var(--pad) 80px}
.hero__text{display:flex;flex-direction:column;gap:28px}
.hero__title{font-family:var(--sans);font-weight:300;font-size:clamp(40px,5vw,72px);line-height:1.2;text-wrap:pretty}
.hero__title strong{font-weight:700}
.hero__lead{max-width:520px;font-family:var(--sans);font-size:17px;line-height:1.8;color:var(--muted)}
.hero__acts{display:flex;align-items:center;gap:32px;flex-wrap:wrap;margin-top:8px}
.hero__chart{display:flex;justify-content:center;align-items:center}
.chart{width:min(100%,420px);height:auto}

/* ---------------------------------------------------------- 游戏目录 */

.catalog{margin:0 var(--pad);border-top:1px solid var(--dim)}
.catalog__head{display:flex;justify-content:space-between;align-items:flex-end;padding:40px 0 24px}
.catalog__count{font-size:12px;letter-spacing:.08em;color:var(--muted)}
.row{display:grid;grid-template-columns:120px minmax(0,1fr) 220px 160px 120px;gap:24px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--hair);transition:background .12s}
.row--head{padding:18px 0;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  border-top:1px solid var(--hair)}
a.row:hover{background:var(--panel);box-shadow:-16px 0 0 var(--panel),16px 0 0 var(--panel)}
.row__code{color:var(--accent)}
.row--draft .row__code{color:var(--muted)}
.row__title{font-family:var(--sans);font-weight:500;font-size:26px;line-height:1.3;color:var(--ink);min-width:0;
  overflow:hidden;text-overflow:ellipsis}
.row__meta{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.catalog__empty{padding:36px 0;font-family:var(--sans);font-size:15px;color:var(--muted);border-bottom:1px solid var(--hair)}

/* ---------------------------------------------------------- 工作室 / 联系 */

.studio{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:64px;padding:88px var(--pad) 96px}
.studio__text{display:flex;flex-direction:column;gap:20px}
.studio__title{font-family:var(--sans);font-weight:300;font-size:clamp(30px,3.4vw,48px);line-height:1.2}
.contact{display:flex;flex-direction:column;gap:20px;align-self:start;padding:28px;border:1px solid var(--dim);
  background:var(--panel)}
.contact__mail{font-family:var(--sans);font-weight:500;font-size:clamp(18px,2vw,26px);line-height:1.3;word-break:break-all}
.contact__mail:hover{color:var(--accent)}
.contact__links{display:flex;flex-direction:column;gap:12px}
.contact__links a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;
  border-top:1px solid var(--hair);font-size:13px;letter-spacing:.06em}
.contact__links a:hover{color:var(--accent)}
.contact__none{font-size:13px;color:var(--muted)}

/* ------------------------------------------------------------- 正文 */

.prose{font-family:var(--sans);font-size:16px;line-height:1.9;color:var(--muted)}
.prose--lead{font-size:17px;color:#b8c3da}
.prose>*+*{margin-top:1.1em}
.prose h1,.prose h2,.prose h3,.prose h4,.prose h5,.prose h6{font-weight:500;color:var(--ink);line-height:1.3;
  margin-top:2em;margin-bottom:.7em}
.prose h1,.prose h2{font-size:26px}
.prose h3{font-size:21px}
.prose h4,.prose h5,.prose h6{font-size:16px;letter-spacing:.02em}
.prose strong{color:var(--ink);font-weight:500}
.prose a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--dim)}
.prose a:hover{color:var(--accent);text-decoration-color:var(--accent)}
.prose ul,.prose ol{padding-left:1.4em;list-style:revert}
.prose li+li{margin-top:.4em}
.prose code{font-family:var(--mono);background:var(--panel);padding:2px 5px;font-size:.9em;color:var(--ink)}
.prose pre{font-family:var(--mono);background:var(--panel);border:1px solid var(--hair);color:#b8c3da;padding:20px;
  overflow-x:auto;font-size:12.5px;line-height:1.9}
.prose pre code{background:none;padding:0;color:inherit}
.prose blockquote{border-left:1px solid var(--accent);padding-left:16px;color:var(--muted)}
.prose table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.6}
.prose th,.prose td{border:1px solid var(--dim);padding:6px 10px;text-align:left}
.prose th{background:var(--panel);font-weight:500;color:var(--ink)}
.prose img{width:100%;height:auto;border:1px solid var(--dim)}
.prose hr{border:0;border-top:1px solid var(--dim)}

.gallery{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.gallery[data-count="1"]{grid-template-columns:1fr}
.gallery__item{margin:0}
.gallery__item[data-lead]{grid-column:1/-1}
.gallery img{width:100%;height:auto;border:1px solid var(--dim)}
.gallery video{width:100%;display:block;border:1px solid var(--dim);background:#000}

.embed{position:relative;width:100%;border:1px solid var(--dim);background:#000}
.embed--16x9{aspect-ratio:16/9}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.embed video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}

/* 轮播：多张图 / 视频共用同一块空间。轨道是 scroll-snap，没有 JS 也能划；
   按钮、圆点、计数、自动翻页由 carousel.js 挂上（挂好后加 .is-ready） */
.carousel{border:1px solid var(--dim);background:#000}
.carousel__track{position:relative;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;
  aspect-ratio:16/9;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.carousel__track::-webkit-scrollbar{display:none}
.carousel:not(.is-ready) .carousel__track{scrollbar-width:thin}
.carousel__slide{position:relative;flex:0 0 100%;min-width:100%;margin:0;scroll-snap-align:start;scroll-snap-stop:always}
.carousel__slide a{display:block;width:100%;height:100%}
.carousel__slide img{width:100%;height:100%;object-fit:contain;border:0}
.carousel__slide video{width:100%;height:100%;object-fit:contain;background:#000;display:block}
.carousel__slide--embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.carousel__ui{display:flex;align-items:center;gap:12px;padding:9px 10px;background:var(--panel);border-top:1px solid var(--dim)}
.carousel__btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:30px;
  border:1px solid var(--dim);background:transparent;color:var(--ink);font:500 13px/1 var(--mono);cursor:pointer}
.carousel__btn:hover{border-color:var(--accent);color:var(--accent)}
.carousel__dots{display:flex;flex-wrap:wrap;gap:7px;flex:1;justify-content:center}
.carousel__dot{width:8px;height:8px;padding:0;border:1px solid var(--dim);border-radius:999px;background:transparent;cursor:pointer}
.carousel__dot.is-on{background:var(--accent);border-color:var(--accent)}
.carousel__count{font-size:11px;letter-spacing:.08em;color:var(--muted);white-space:nowrap}

/* ------------------------------------------------------------- 游戏页 */

.crumb{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:20px var(--pad);border-bottom:1px solid var(--hair);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.crumb strong{color:var(--accent);font-weight:400}
.crumb a:hover{color:var(--ink)}

.notice{margin:24px var(--pad) 0;padding:12px 16px;border:1px dashed var(--accent);font-size:12.5px;color:var(--accent)}

.game{max-width:1040px;margin:0 auto;padding:56px var(--pad) 40px;display:flex;flex-direction:column;gap:40px}
.game__head{display:flex;flex-direction:column;gap:18px}
.game__title{font-family:var(--sans);font-weight:300;font-size:clamp(36px,5.4vw,68px);line-height:1.15}
.game__sub{font-family:var(--sans);font-size:18px;line-height:1.7;color:var(--muted)}
.game__date{font-size:12px;letter-spacing:.08em;color:var(--dim)}

.demo{display:flex;flex-direction:column}
.demo__frame{position:relative;aspect-ratio:16/9;background:#000;border:1px solid var(--accent);overflow:hidden}
.demo__frame iframe,.demo__frame video{position:absolute;inset:0;width:100%;height:100%;border:0}
.demo__frame img{width:100%;height:100%;object-fit:cover}
.demo__frame::before,.demo__frame::after{content:"";position:absolute;top:-1px;width:14px;height:14px;
  border-bottom:1px solid var(--accent);z-index:2;pointer-events:none}
.demo__frame::before{left:-1px;border-right:1px solid var(--accent)}
.demo__frame::after{right:-1px;border-left:1px solid var(--accent)}
.demo__bar{position:relative;display:flex;justify-content:space-between;gap:16px;padding:12px 2px 0;
  font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.demo__bar::before,.demo__bar::after{content:"";position:absolute;top:0;width:14px;height:14px;border-top:1px solid var(--accent)}
.demo__bar::before{left:0;border-right:1px solid var(--accent)}
.demo__bar::after{right:0;border-left:1px solid var(--accent)}
.demo__src{color:var(--muted)}
.demo--still .demo__frame{border-color:var(--dim)}
.demo--still .demo__frame::before,.demo--still .demo__frame::after,
.demo--still .demo__bar::before,.demo--still .demo__bar::after{border-color:var(--dim)}
.demo--still .demo__bar{color:var(--muted)}

.game__acts{display:flex;align-items:center;gap:32px;flex-wrap:wrap}

.gnav{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:24px var(--pad) 96px;border:1px solid var(--dim);background:var(--dim)}
.gnav__side{display:flex;flex-direction:column;gap:8px;padding:24px 28px;background:var(--bg);
  font-size:11px;letter-spacing:.12em;color:var(--muted)}
.gnav__side:hover{background:var(--panel);color:var(--accent)}
.gnav__side--next{text-align:right;align-items:flex-end}
.gnav__t{font-family:var(--sans);font-size:18px;letter-spacing:0;color:var(--ink);line-height:1.4}
.gnav>span{background:var(--bg)}

/* ------------------------------------------------------------- 页脚 */

.foot{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:32px var(--pad);border-top:1px solid var(--hair);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.foot a:hover{color:var(--accent)}
.foot__links{display:flex;align-items:center;gap:28px}

/* --------------------------------------------------------------- 404 */

.nf{display:flex;flex-direction:column;align-items:flex-start;gap:24px;padding:120px var(--pad) 160px}
.nf h1{font-family:var(--sans);font-weight:300;font-size:clamp(36px,5vw,64px);line-height:1.2}

/* ------------------------------------------------------------- 登录页
   站内唯一没有入口的页。样式放在公开的 site.css 里，因为这一页对谁都是 200。 */

.signin{padding:80px var(--pad) 120px;max-width:720px;margin:0 auto}
.signin__card{display:flex;flex-direction:column;gap:18px;padding:36px;border:1px solid var(--dim);background:var(--panel)}
.signin__title{font-family:var(--sans);font-weight:300;font-size:clamp(30px,4vw,44px);line-height:1.2}
.signin__lead{font-family:var(--sans);font-size:14px;line-height:1.8;color:var(--muted)}
.signin__err{padding:12px 14px;border:1px solid var(--danger);color:var(--danger);font-size:12.5px}
.signin__warn{padding:16px;border:1px dashed var(--dim)}
.signin__warn strong{display:block;font-size:13px;color:var(--ink)}
.signin__warn p{margin-top:8px;font-size:12px;line-height:1.8;color:var(--muted)}
.signin__label{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.signin__who{padding:16px;border:1px solid var(--dim);background:var(--bg)}
.signin__mail{display:block;margin-top:6px;font-size:15px;font-weight:500;word-break:break-all}
.signin__acts{display:flex;gap:12px;flex-wrap:wrap}
.signin__out{margin:0}
.signin__link{display:inline-block;padding:0;border:0;background:none;font:inherit;font-size:12px;
  color:var(--muted);cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.signin__link:hover{color:var(--accent)}
.signin__link--dim{display:block}
.signin__local{display:flex;flex-direction:column;gap:8px;margin-top:8px;padding-top:24px;border-top:1px solid var(--hair)}
.signin__hint{font-size:12px;line-height:1.8;color:var(--muted)}
.signin__row{display:flex;gap:10px;margin-top:6px}
.signin__row input{flex:1 1 auto;min-width:0;padding:0 14px;height:48px;border:1px solid var(--dim);
  background:var(--bg);font-family:var(--mono);font-size:13px;color:var(--ink)}
.signin__row input:focus{outline:none;border-color:var(--accent)}

/* ------------------------------------------------------------ 响应式 */

@media (max-width:1100px){
  :root{--pad:40px}
  .hero{grid-template-columns:1fr;gap:40px;padding-top:64px}
  .hero__chart{order:-1;justify-content:flex-start}
  .chart{width:220px}
  .studio{grid-template-columns:1fr;gap:40px}
  .row{grid-template-columns:100px minmax(0,1fr) 140px 120px}
  .row>:nth-child(4),.row--head>:nth-child(4){display:none}
}

@media (max-width:760px){
  :root{--pad:20px}
  body{font-size:13.5px}
  .top{height:auto;flex-wrap:wrap;padding:12px var(--pad);gap:10px;position:static}
  .top__right{width:100%;justify-content:space-between;gap:16px}
  .nav{gap:20px;overflow-x:auto;scrollbar-width:none;min-width:0}
  .nav::-webkit-scrollbar{display:none}
  .langswitch{padding-left:16px}
  .hero{padding-top:48px;padding-bottom:56px}
  .hero__title{font-size:38px}
  .hero__acts{gap:20px}
  .row{grid-template-columns:72px minmax(0,1fr);gap:12px;padding:20px 0}
  .row>:nth-child(3),.row>:nth-child(4),.row>:nth-child(5),
  .row--head>:nth-child(3),.row--head>:nth-child(4),.row--head>:nth-child(5){display:none}
  .row__title{font-size:20px;white-space:normal}
  a.row:hover{box-shadow:none}
  .studio{padding:56px var(--pad) 64px}
  .game{padding-top:32px;gap:28px}
  .game__acts{gap:20px}
  .gnav{grid-template-columns:1fr;margin-bottom:64px}
  .gnav__side--next{text-align:left;align-items:flex-start}
  .foot{flex-direction:column;align-items:flex-start;gap:14px}
  .signin{padding:40px var(--pad) 80px}
  .signin__card{padding:24px 20px}
  .signin__row{flex-direction:column}
  .signin__acts{flex-direction:column}
  .gallery{grid-template-columns:1fr}
  .carousel__track{aspect-ratio:4/3}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .crumb{flex-direction:column;align-items:flex-start;gap:8px}
}