/* ==========================================================================
   365电玩城 · /assets/site.css
   共享外壳样式：reset / 变量 / 中文排版 / 头部轨道 / 页脚 / 通用组件
   ========================================================================== */

/* --- 1. reset --- */
*,*::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,dt,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,picture,svg,video{display:block;max-width:100%}
img,video{height:auto}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-blue);outline-offset:3px;border-radius:2px}

/* --- 2. 变量 --- */
:root{
  --c-night:#07040F;
  --c-deep:#140A2E;
  --c-panel:#1B1140;
  --c-neon:#8B5CFF;
  --c-blue:#2FC7FF;
  --c-amber:#FFB02E;
  --c-pink:#FF4D97;
  --c-ink:#F2EFFF;
  --c-mist:#A79BCB;
  --c-line:#3A2A6B;

  --font-display:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-serif:"Songti SC","SimSun","Noto Serif SC",Georgia,"Times New Roman",serif;
  --font-body:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;

  --rail-w:118px;
  --topbar-h:58px;
  --wrap:1180px;
  --gap:clamp(16px,3vw,40px);
  --ease:cubic-bezier(.22,.7,.24,1);
  --pad-x:clamp(16px,4vw,44px);
}

/* --- 3. 中文排版与基底 --- */
body{
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  color:var(--c-ink);
  background-color:var(--c-night);
  background-image:
    radial-gradient(760px 520px at 94% -6%, rgba(139,92,255,.18), transparent 62%),
    radial-gradient(620px 460px at -8% 28%, rgba(47,199,255,.10), transparent 60%);
  background-repeat:no-repeat;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:600;line-height:1.28;text-wrap:balance}
h1,h2{font-family:var(--font-serif);letter-spacing:-.01em}
h3,h4{font-family:var(--font-body);font-weight:700}

.display{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:.95;
  text-shadow:0 0 28px rgba(139,92,255,.45);
}
.display--xl{font-size:clamp(64px,13vw,180px)}
.display--l{font-size:clamp(40px,7vw,96px)}
.display--m{font-size:clamp(28px,4vw,52px)}
.display--stroke{-webkit-text-stroke:1px rgba(139,92,255,.65)}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.eyebrow{
  display:inline-block;
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--c-mist);
  text-transform:uppercase;
}
.lede{font-size:clamp(16px,1.6vw,19px);line-height:1.7;color:var(--c-mist);max-width:60ch}
.prose{max-width:68ch}
.prose p + p{margin-top:1em}
.prose a,.link-inline{color:var(--c-blue);text-decoration:underline;text-underline-offset:3px}
.prose a:hover,.link-inline:hover{color:var(--c-ink)}
.muted{color:var(--c-mist)}

/* --- 4. 版式容器 --- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad-x)}
.wrap--wide{max-width:1420px}
.section{padding-block:clamp(48px,7vw,96px)}
.section--deep{
  background:linear-gradient(180deg,var(--c-deep),#0B0620 68%,var(--c-night));
  border-block:1px solid var(--c-line);
}
.edge{height:1px;border:0;background:var(--c-line)}
.edge--glow{background:linear-gradient(90deg,transparent,var(--c-neon),var(--c-blue),transparent);opacity:.65}
.slant-band{height:2px;background:linear-gradient(90deg,var(--c-neon),var(--c-blue));transform:skewY(-3deg);transform-origin:left center;opacity:.55}

/* --- 5. 头部：移动端顶栏 + 左侧抽屉 --- */
.skip-link{
  position:absolute;left:8px;top:-70px;z-index:120;
  padding:10px 18px;border-radius:2px;
  background:var(--c-amber);color:#0B0620;font-weight:700;font-size:14px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:8px}

.site-header{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:var(--topbar-h);
  padding:0 clamp(14px,4vw,22px);
  background:#0A0618;
  border-bottom:1px solid var(--c-line);
}
.rail-head{display:flex;align-items:baseline;gap:10px;min-width:0}
.brand-mark{display:inline-flex;align-items:baseline;gap:6px}
.brand-mark__num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;
  font-size:19px;line-height:1;color:var(--c-neon);text-shadow:0 0 16px rgba(139,92,255,.75);
}
.brand-mark__name{
  font-family:var(--font-display);font-weight:900;font-size:14px;
  letter-spacing:.12em;color:var(--c-ink);
}
.brand-tagline{display:none}

.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 11px;border:1px solid var(--c-line);border-radius:2px;
  color:var(--c-mist);font-size:12px;letter-spacing:.08em;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{color:var(--c-ink);border-color:var(--c-blue)}
.nav-toggle__bars{position:relative;display:block;width:16px;height:2px;background:currentColor}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle__bars::before{top:-5px}
.nav-toggle__bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-5px) rotate(-45deg)}
.nav-toggle[aria-expanded="true"]{color:var(--c-neon);border-color:var(--c-neon)}

.nav-scrim{
  position:fixed;left:0;right:0;bottom:0;top:var(--topbar-h);z-index:61;
  background:rgba(4,2,10,.72);
}
.nav-scrim[hidden]{display:none}

.site-nav{
  position:fixed;top:var(--topbar-h);bottom:0;left:0;z-index:62;
  width:min(86vw,320px);
  display:flex;flex-direction:column;
  padding:16px 0 22px;
  background:linear-gradient(180deg,#150B31,#080418);
  border-right:1px solid var(--c-line);
  transform:translateX(-102%);
  visibility:hidden;
  overflow-y:auto;
  transition:transform .28s var(--ease),visibility .28s var(--ease);
}
.site-nav[data-open]{transform:translateX(0);visibility:visible}

.site-nav__list{display:flex;flex-direction:column;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.rail-link{
  position:relative;display:block;
  padding:12px 20px;
  font-size:15px;line-height:1.4;color:var(--c-mist);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.rail-link:hover{color:var(--c-ink);background:rgba(139,92,255,.12)}
.rail-link[aria-current="page"]{
  color:var(--c-ink);
  border-left-color:var(--c-neon);
  background:linear-gradient(90deg,rgba(139,92,255,.28),rgba(139,92,255,0));
  text-shadow:0 0 14px rgba(139,92,255,.6);
}
.rail-link[aria-current="page"]::after{
  content:"";position:absolute;right:14px;top:50%;
  width:5px;height:5px;margin-top:-2.5px;border-radius:50%;
  background:var(--c-amber);box-shadow:0 0 10px var(--c-amber);
}

.rail-utility{display:flex;flex-direction:column;gap:4px;padding:14px 20px 6px}
.rail-utility a{
  font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--c-mist);
  transition:color .2s var(--ease);
}
.rail-utility a:hover{color:var(--c-blue)}

.rail-cta{
  display:block;margin:auto 16px 8px;padding:12px 10px;
  text-align:center;font-size:14px;font-weight:700;letter-spacing:.04em;
  color:#0B0620;border-radius:2px;
  background:linear-gradient(120deg,var(--c-neon),#6A3CFF);
  box-shadow:0 14px 34px -20px rgba(139,92,255,.95);
  transition:filter .22s var(--ease),transform .22s var(--ease);
}
.rail-cta:hover{filter:brightness(1.14);transform:translateY(-1px)}

.rail-note,.rail-track{display:none}

.rail-top{
  position:fixed;right:16px;bottom:16px;z-index:45;
  padding:10px 15px;border:1px solid var(--c-line);border-radius:999px;
  background:#150B31;color:var(--c-ink);
  font-family:var(--font-num);font-size:11px;letter-spacing:.08em;
  box-shadow:0 14px 34px -20px #000;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.rail-top:hover{color:var(--c-amber);border-color:var(--c-amber)}
.rail-top[hidden]{display:none}

/* --- 6. 头部：桌面左侧轨道 --- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}

  .site-header{
    position:fixed;top:0;left:0;bottom:0;right:auto;
    width:var(--rail-w);height:auto;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:12px;
    padding:22px 0 16px;
    border-bottom:0;
    border-right:1px solid var(--c-line);
    background:linear-gradient(180deg,#0B0619 0%,var(--c-night) 58%,#0A0518 100%);
  }
  .site-header::after{
    content:"";position:absolute;top:8%;bottom:8%;right:-1px;width:1px;
    background:linear-gradient(180deg,transparent,rgba(139,92,255,.55),rgba(47,199,255,.35),transparent);
  }
  .rail-head{display:block;padding:0 14px}
  .brand-mark{flex-direction:column;align-items:flex-start;gap:2px}
  .brand-mark__num{font-size:26px}
  .brand-mark__name{font-size:17px;letter-spacing:.16em}
  .brand-tagline{display:block;margin-top:10px;font-size:11px;line-height:1.55;letter-spacing:.06em;color:var(--c-mist)}

  .nav-toggle,.nav-scrim{display:none}

  .site-nav{
    position:static;top:auto;bottom:auto;left:auto;
    width:auto;visibility:visible;transform:none;z-index:auto;
    background:none;border-right:0;padding:0;
    flex:1 1 auto;min-height:0;overflow-y:auto;
  }
  .site-nav__list{border-top:1px solid var(--c-line);border-bottom:0;padding-block:6px}
  .rail-link{font-size:13px;padding:9px 14px}
  .rail-link[aria-current="page"]::after{right:11px;width:4px;height:4px;margin-top:-2px}
  .rail-utility{padding:10px 14px 6px;gap:3px}
  .rail-utility a{font-size:11px}
  .rail-cta{margin:auto 12px 10px;padding:10px 8px;font-size:13px}

  .rail-note{
    display:block;padding:8px 14px 0;
    font-family:var(--font-num);font-size:11px;letter-spacing:.06em;color:var(--c-amber);
  }
  .rail-track{
    display:flex;flex-direction:column;gap:7px;
    padding:10px 14px 0;border-top:1px solid var(--c-line);margin-top:10px;
  }
  .rail-track__label{font-size:10px;letter-spacing:.16em;color:var(--c-mist)}
  .rail-track__line{position:relative;display:block;height:2px;background:var(--c-line);overflow:hidden}
  .rail-track__bar{
    position:absolute;top:0;bottom:0;left:0;width:0;
    background:linear-gradient(90deg,var(--c-neon),var(--c-amber));
    transition:width .15s linear;
  }
  .rail-track__num{font-family:var(--font-num);font-size:11px;letter-spacing:.06em;color:var(--c-amber)}

  .rail-top{
    position:static;right:auto;bottom:auto;
    margin:10px 12px 0;border-radius:2px;
    background:transparent;box-shadow:none;
  }
}

/* --- 7. 页脚 --- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  background:linear-gradient(180deg,var(--c-deep),#080417);
  border-top:1px solid var(--c-line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-neon),var(--c-blue),transparent);
  opacity:.6;
}
.footer-grid{
  max-width:var(--wrap);margin-inline:auto;
  padding:clamp(40px,5vw,72px) var(--pad-x) clamp(28px,4vw,48px);
  display:grid;gap:clamp(28px,3.5vw,48px);
  grid-template-columns:1fr;
}
.footer-brand__mark{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(20px,2.4vw,26px);letter-spacing:.1em;color:var(--c-ink);
  text-shadow:0 0 22px rgba(139,92,255,.5);
}
.footer-brand__text{margin-top:14px;max-width:46ch;font-size:14px;line-height:1.75;color:var(--c-mist)}
.footer-brand__badge{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;padding:6px 12px;
  border:1px solid var(--c-line);border-radius:999px;
  font-family:var(--font-num);font-size:11px;letter-spacing:.08em;color:var(--c-mist);
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--c-pink);box-shadow:0 0 10px var(--c-pink)}

.footer-col__title{
  font-family:var(--font-serif);font-size:15px;font-weight:600;
  letter-spacing:.02em;color:var(--c-ink);
  padding-bottom:10px;border-bottom:1px solid var(--c-line);
}
.footer-list{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.footer-list a{
  display:inline-block;font-size:14px;color:var(--c-mist);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-list a::before{content:"";display:inline-block;width:10px;height:1px;background:var(--c-line);margin-right:9px;vertical-align:middle}
.footer-list a:hover{color:var(--c-blue);transform:translateX(3px)}

.footer-dl{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.footer-dl__row{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:start}
.footer-dl dt{font-family:var(--font-num);font-size:11px;letter-spacing:.1em;color:var(--c-mist);padding-top:3px}
.footer-dl dd{font-size:13.5px;line-height:1.6;color:var(--c-ink);word-break:break-word}
.footer-contact__note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--c-mist);max-width:44ch}

.footer-tail{
  max-width:var(--wrap);margin-inline:auto;
  padding:16px var(--pad-x) 26px;
  border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
}
.footer-tail__icp,.footer-tail__copy{
  font-family:var(--font-num);font-size:11.5px;letter-spacing:.06em;color:var(--c-mist);
}

@media (min-width:720px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1100px){
  .footer-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,.8fr) minmax(0,.9fr) minmax(0,1.2fr)}
}

/* --- 8. 按钮 --- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border:1px solid var(--c-neon);border-radius:2px;
  background:rgba(139,92,255,.12);color:var(--c-ink);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  transition:background .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn:hover{
  background:rgba(139,92,255,.26);
  box-shadow:0 0 0 1px rgba(139,92,255,.45),0 10px 28px -16px rgba(139,92,255,.95);
  transform:translateY(-1px);
}
.btn--solid{background:linear-gradient(120deg,var(--c-neon),#6A3CFF);border-color:transparent;color:#0B0620}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-mist)}
.btn--ghost:hover{color:var(--c-ink);border-color:var(--c-blue);background:rgba(47,199,255,.10);box-shadow:none}
.btn--amber{background:rgba(255,176,46,.12);border-color:var(--c-amber);color:var(--c-amber)}
.btn--amber:hover{background:rgba(255,176,46,.22);box-shadow:0 10px 28px -18px rgba(255,176,46,.95)}

/* --- 9. 面包屑 --- */
.breadcrumbs{padding-block:14px;border-bottom:1px solid var(--c-line)}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-num);font-size:12px;letter-spacing:.06em;color:var(--c-mist)}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li + li::before{content:"/";color:var(--c-line)}
.breadcrumbs a{color:var(--c-mist);transition:color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--c-blue)}
.breadcrumbs [aria-current="page"]{color:var(--c-ink)}

/* --- 10. 面板与数据 --- */
.panel{
  background:linear-gradient(160deg,rgba(27,17,64,.92),rgba(11,6,32,.92));
  border:1px solid var(--c-line);border-radius:2px;
  box-shadow:0 22px 44px -38px rgba(0,0,0,.95);
}
.panel__head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-bottom:1px solid var(--c-line);
}

.stat-row{display:flex;flex-wrap:wrap;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.stat{flex:1 1 140px;padding:16px 18px;border-left:1px solid var(--c-line)}
.stat:first-child{border-left:0}
.stat__label{display:block;font-family:var(--font-num);font-size:11px;letter-spacing:.16em;color:var(--c-mist)}
.stat__value{display:inline-block;margin-top:6px;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(24px,3.4vw,40px);font-weight:700;line-height:1.1;color:var(--c-ink)}
.stat__unit{margin-left:6px;font-size:12px;color:var(--c-mist)}
.stat--amber .stat__value{color:var(--c-amber)}
.stat--blue .stat__value{color:var(--c-blue)}

/* --- 11. 筛选 --- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-block:12px}
.filter-btn{
  padding:7px 13px;border:1px solid var(--c-line);border-radius:2px;
  background:transparent;color:var(--c-mist);
  font-family:var(--font-num);font-size:12px;letter-spacing:.06em;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.filter-btn:hover{color:var(--c-ink);border-color:var(--c-blue)}
.filter-btn[aria-pressed="true"]{
  color:var(--c-amber);border-color:var(--c-amber);background:rgba(255,176,46,.12);
}

/* --- 12. 横向主题带 --- */
.band{position:relative;border-block:1px solid var(--c-line);background:linear-gradient(90deg,rgba(20,10,46,.92),rgba(7,4,15,.92))}
.band__track{
  display:flex;gap:12px;overflow-x:auto;
  padding:16px var(--pad-x);
  scroll-snap-type:x proximity;
  scrollbar-width:thin;
}
.band__track[data-drag]{cursor:grab}
.band__track[data-drag]:active{cursor:grabbing}
.band__item{
  flex:0 0 auto;min-width:154px;
  padding:12px 14px;
  border:1px solid var(--c-line);background:rgba(27,17,64,.65);
  border-radius:2px;scroll-snap-align:start;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.band__item:hover{border-color:var(--c-neon);background:rgba(139,92,255,.16)}

/* --- 13. 栅格 --- */
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.split{display:grid;gap:var(--gap);grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){
  .split{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr)}
  .split--reversed{grid-template-columns:minmax(0,1fr) minmax(0,1.7fr)}
}

/* --- 14. 取景框 --- */
.frame{
  position:relative;
  padding:clamp(18px,3vw,40px);
  border:1px solid var(--c-line);
  background:linear-gradient(155deg,rgba(20,10,46,.72),rgba(7,4,15,.55));
}
.frame::before,.frame::after{
  content:"";position:absolute;width:14px;height:14px;border:1px solid var(--c-amber);
}
.frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.frame__scale{
  display:flex;justify-content:space-between;gap:12px;
  font-family:var(--font-num);font-size:11px;letter-spacing:.12em;color:var(--c-mist);
}

/* --- 15. 图片容器基础 --- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--c-line);border-radius:2px;
  background:linear-gradient(140deg,var(--c-panel),#0B0620 72%);
}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 82% 0%, rgba(139,92,255,.22), transparent 62%);
}
.media-frame img,.media-frame picture > *{width:100%;height:100%;object-fit:cover}
.media-frame--16x9{aspect-ratio:16 / 9}
.media-frame--4x3{aspect-ratio:4 / 3}
.media-frame--1x1{aspect-ratio:1 / 1}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame__cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:10px 12px;
  font-family:var(--font-num);font-size:11px;letter-spacing:.06em;color:var(--c-ink);
  background:linear-gradient(0deg,rgba(7,4,15,.9),transparent);
}

/* --- 16. 显现动效 --- */
.has-js [data-reveal]{opacity:0;transform:translateY(14px)}
.has-js [data-reveal].is-visible{
  opacity:1;transform:none;
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}

/* --- 17. 减弱动效 --- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .has-js [data-reveal]{opacity:1;transform:none}
}