/* ============================================================
   777电玩城 · 共享外壳样式 /assets/site.css
   夜底墨 + 深紫外壳 + 牌桌绿 分区，霓虹紫 / 街机青 / 警示橙 作锚点
   ============================================================ */

/* ---------- 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,dd,hr{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--line)}
*{scrollbar-width:thin;scrollbar-color:#7A3BFF rgba(14,16,24,.9)}
*::-webkit-scrollbar{width:10px;height:10px}
*::-webkit-scrollbar-track{background:rgba(14,16,24,.9)}
*::-webkit-scrollbar-thumb{background:#7A3BFF;border:2px solid #0E1018}

/* ---------- 2. 变量 ---------- */
:root{
  color-scheme:dark;
  --neon-purple:#7A3BFF;
  --violet-shell:#2A1660;
  --night:#0E1018;
  --slate:#171B26;
  --arcade-cyan:#22E0D6;
  --alert-orange:#FF7A2F;
  --table-green:#0F5A46;
  --badge-pink:#FF5FD2;
  --text:#E7E9F2;
  --text-dim:#A6AEC7;
  --line:#3A3F55;

  --rail-w:240px;
  --overlay-w:300px;
  --maxw:1180px;
  --gap:24px;
  --hard-shadow:6px 6px 0 rgba(6,8,14,.85);

  --font-head:"HarmonyOS Sans SC","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"JetBrains Mono","IBM Plex Mono","Roboto Mono","SFMono-Regular",Consolas,"Courier New",monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--night);
  background-image:
    radial-gradient(900px 520px at 10% -8%, rgba(122,59,255,.30), transparent 62%),
    radial-gradient(760px 460px at 94% 4%, rgba(34,224,214,.13), transparent 60%),
    repeating-linear-gradient(0deg, rgba(58,63,85,.16) 0 1px, transparent 1px 48px),
    repeating-linear-gradient(90deg, rgba(58,63,85,.11) 0 1px, transparent 1px 48px);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;letter-spacing:-.02em;color:var(--text)}
h1{font-size:clamp(30px,4.4vw,44px);line-height:1.18}
h2{font-size:clamp(24px,3vw,30px);line-height:1.27}
h3{font-size:clamp(19px,2.2vw,22px);line-height:1.36}
p{line-height:1.75}
p+p{margin-top:.9em}
strong{color:var(--text);font-weight:700}
small{font-size:13px;line-height:1.6}
code,kbd,samp{font-family:var(--font-mono);font-size:.92em;color:var(--arcade-cyan)}

:focus-visible{outline:2px solid var(--arcade-cyan);outline-offset:2px}

.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-240%);
  padding:10px 16px;
  font:600 14px/1 var(--font-body);
  color:#06131A;background:var(--arcade-cyan);
  border:2px solid #0E1018;
  box-shadow:4px 4px 0 rgba(0,0,0,.6);
  transition:transform .2s ease;
}
.skip-link:focus{transform:translateY(0)}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
#main-content{scroll-margin-top:16px}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

/* ---------- 4. 容器与区块节奏 ---------- */
.container{width:min(100% - 32px,var(--maxw));margin-inline:auto}
.section{padding:56px 0}
.section+.section{border-top:1px solid rgba(58,63,85,.55)}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;
  font:600 15px/1.2 var(--font-body);
  color:var(--text);background:var(--slate);
  border:2px solid var(--line);
  box-shadow:4px 4px 0 rgba(0,0,0,.55);
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease,color .16s ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(0,0,0,.55);border-color:var(--arcade-cyan);color:#fff}
.btn:active{transform:translate(2px,2px);box-shadow:0 0 0 rgba(0,0,0,0)}
.btn--primary{background:var(--neon-purple);border-color:#B79BFF;color:#fff}
.btn--primary:hover{background:#8B52FF;border-color:var(--arcade-cyan)}
.btn--action{background:var(--alert-orange);border-color:#FFB183;color:#1A0C02}
.btn--action:hover{background:#FF9052;color:#1A0C02}
.btn--ghost{background:transparent;border-color:var(--arcade-cyan);color:var(--arcade-cyan)}
.btn--ghost:hover{background:rgba(34,224,214,.14);color:#D6FFFB}
.btn--sm{padding:8px 12px;font-size:13px;box-shadow:3px 3px 0 rgba(0,0,0,.55)}

/* ---------- 6. 头部：赛季轨道 ---------- */
.site-rail{
  position:sticky;top:0;z-index:60;
  display:flex;flex-direction:column;
  padding:12px 14px;
  background:linear-gradient(180deg,rgba(42,22,96,.98),rgba(14,16,24,.98));
  border-bottom:2px solid var(--line);
}
.rail-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rail-brand{display:flex;align-items:center;gap:12px;min-width:0}
.rail-brand__mark{
  flex:0 0 auto;display:grid;place-items:center;
  width:46px;height:46px;
  font:700 15px/1 var(--font-mono);letter-spacing:.02em;
  color:#F5F1FF;background:var(--neon-purple);
  border:2px solid var(--arcade-cyan);
  box-shadow:4px 4px 0 #0E1018;
}
.rail-brand__text{display:flex;flex-direction:column;gap:2px;min-width:0}
.rail-brand__name{font-family:var(--font-head);font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.rail-brand__sub{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--arcade-cyan);white-space:nowrap}

.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 12px;
  color:var(--text);background:var(--slate);
  border:2px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
}
.nav-toggle:hover{border-color:var(--arcade-cyan);color:var(--arcade-cyan)}
.nav-toggle__bars{position:relative;width:18px;height:2px;background:var(--arcade-cyan);box-shadow:0 -6px 0 var(--arcade-cyan),0 6px 0 var(--arcade-cyan)}
.nav-toggle__bars::before,
.nav-toggle__bars::after{content:"";position:absolute;inset:0;background:var(--arcade-cyan);opacity:0;transition:transform .2s ease,opacity .2s ease}
.site-rail[data-open] .nav-toggle{border-color:var(--alert-orange);color:var(--alert-orange)}
.site-rail[data-open] .nav-toggle__bars{background:transparent;box-shadow:none}
.site-rail[data-open] .nav-toggle__bars::before{opacity:1;transform:rotate(45deg)}
.site-rail[data-open] .nav-toggle__bars::after{opacity:1;transform:rotate(-45deg)}

.rail-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:50;
  width:min(86vw,340px);
  display:flex;flex-direction:column;gap:20px;
  padding:84px 20px 28px;
  overflow-y:auto;
  background:linear-gradient(180deg,#2A1660 0%,#14102F 68%,#0E1018 100%);
  border-left:2px solid var(--neon-purple);
  box-shadow:-12px 0 0 rgba(122,59,255,.16);
  transform:translateX(103%);
  transition:transform .28s ease;
}
.rail-drawer[data-open]{transform:translateX(0)}
.rail-scrim{
  position:fixed;inset:0;z-index:45;
  background:rgba(8,9,16,.74);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.rail-scrim[data-open]{opacity:1;visibility:visible}

.rail-nav{display:flex;flex-direction:column;gap:14px;min-height:0;flex:1 1 auto}
.rail-nav__caption{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--text-dim);
  padding-bottom:10px;
  border-bottom:1px dashed rgba(58,63,85,.95);
}
.rail-nav__list{display:flex;flex-direction:column;gap:4px;min-height:0;overflow-y:auto;padding-right:4px}
.rail-nav__link{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  font-size:15px;color:var(--text-dim);
  border-left:3px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.rail-nav__idx{flex:0 0 auto;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:rgba(166,174,199,.62)}
.rail-nav__label{min-width:0}
.rail-nav__link:hover{background:rgba(122,59,255,.22);color:var(--text);border-left-color:var(--arcade-cyan)}
.rail-nav__link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(122,59,255,.92),rgba(122,59,255,.14));
  color:#fff;border-left-color:var(--arcade-cyan);
  box-shadow:inset 0 0 0 1px rgba(34,224,214,.35);
}
.rail-nav__link[aria-current="page"] .rail-nav__idx{color:var(--arcade-cyan)}

.rail-foot{
  display:flex;flex-direction:column;gap:12px;
  margin-top:auto;padding-top:16px;
  border-top:2px solid var(--line);
}
.rail-meta{display:flex;flex-direction:column;gap:8px}
.version-chip{
  align-self:flex-start;
  padding:5px 10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--alert-orange);
  background:rgba(255,122,47,.10);
  border:2px solid var(--alert-orange);
}
.rail-meta__ticker{font-size:12px;line-height:1.65;color:var(--text-dim)}
.rail-cta{width:100%}

/* ---------- 7. 页脚：战报栏 ---------- */
.site-foot{
  position:relative;
  margin-top:0;
  background:linear-gradient(180deg,#12102B 0%,#0E1018 100%);
  border-top:4px solid var(--neon-purple);
  color:var(--text-dim);
}
.site-foot::before{
  content:"";display:block;height:6px;
  background:repeating-linear-gradient(90deg,
    var(--arcade-cyan) 0 24px,
    var(--neon-purple) 24px 48px,
    var(--alert-orange) 48px 72px,
    var(--badge-pink) 72px 96px);
}
.foot-shell{width:min(100% - 32px,var(--maxw));margin-inline:auto;padding:52px 0 26px}
.foot-grid{display:grid;gap:36px}
.foot-brand{display:flex;flex-direction:column;gap:14px}
.foot-brand__top{display:flex;align-items:center;gap:12px}
.foot-brand__mark{
  display:grid;place-items:center;width:42px;height:42px;
  font:700 14px/1 var(--font-mono);
  color:#F5F1FF;background:var(--neon-purple);
  border:2px solid var(--arcade-cyan);
  box-shadow:4px 4px 0 #06080E;
}
.foot-brand__name{font-family:var(--font-head);font-weight:900;font-size:21px;letter-spacing:-.02em;color:var(--text)}
.foot-brand__intro{max-width:38ch;font-size:14px;line-height:1.75}
.foot-contact{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;
  padding:14px 16px;
  font-size:13px;
  background:rgba(15,90,70,.38);
  border:2px solid var(--table-green);
}
.foot-contact__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--arcade-cyan)}
.foot-contact__note{font-family:var(--font-mono);font-size:11px;color:var(--text-dim)}
.copy-btn{
  padding:3px 6px;
  font-family:var(--font-mono);font-size:13px;
  color:var(--text);
  border-bottom:1px dashed rgba(34,224,214,.75);
  transition:color .16s ease,border-color .16s ease,background-color .16s ease;
}
.copy-btn:hover{color:var(--arcade-cyan);background:rgba(34,224,214,.10)}
.copy-btn[data-copied]::after{content:" 已复制";font-size:11px;letter-spacing:.08em;color:var(--alert-orange)}
.foot-addr{font-size:13px;font-family:var(--font-mono);color:var(--text-dim)}
.foot-cols{display:grid;gap:26px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.foot-col{display:flex;flex-direction:column}
.foot-col__title{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;font-weight:400;
  color:var(--arcade-cyan);
  padding-bottom:8px;margin-bottom:12px;
  border-bottom:1px dashed var(--line);
}
.foot-col__list{display:flex;flex-direction:column;gap:9px}
.foot-col__link{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--text-dim);transition:color .16s ease}
.foot-col__link::before{content:"";width:6px;height:6px;flex:0 0 auto;background:var(--line);transition:background-color .16s ease}
.foot-col__link:hover{color:var(--arcade-cyan)}
.foot-col__link:hover::before{background:var(--arcade-cyan)}
.foot-legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 22px;
  margin-top:36px;padding-top:20px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;
  color:rgba(166,174,199,.82);
}
.foot-legal__icp{color:var(--text-dim)}
.foot-legal__copy{color:rgba(166,174,199,.82)}

/* ---------- 8. 展签 / 网格 / 浮层 ---------- */
.plate{
  display:grid;gap:10px;
  padding:20px 22px;
  background:var(--slate);
  border:2px solid var(--line);
  border-left:6px solid var(--neon-purple);
  box-shadow:var(--hard-shadow);
}
.plate__idx{font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;color:var(--arcade-cyan)}
.plate__title{font-family:var(--font-head);font-weight:800;font-size:22px;line-height:1.35;letter-spacing:-.02em;color:var(--text)}
.plate__text{font-size:14px;line-height:1.75;color:var(--text-dim)}
.plate--cyan{border-left-color:var(--arcade-cyan)}
.plate--orange{border-left-color:var(--alert-orange)}
.plate--green{border-left-color:var(--table-green)}

.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--split,
.grid--split-rev{grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){
  .grid--split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
  .grid--split-rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
}
.grid--aside{display:grid;gap:var(--gap);grid-template-columns:minmax(0,1fr)}
@media (min-width:1400px){
  .grid--aside{grid-template-columns:minmax(0,1fr) var(--overlay-w)}
}
.data-overlay{display:flex;flex-direction:column;gap:16px}
@media (min-width:1400px){
  .data-overlay{position:sticky;top:24px;align-self:start}
}
.data-overlay__block{
  padding:16px;
  background:rgba(23,27,38,.94);
  border:2px solid var(--line);
  border-top:3px solid var(--arcade-cyan);
}
.data-overlay__title{
  margin-bottom:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-dim);
}

/* ---------- 9. 图片容器基础 ---------- */
.media-frame{
  position:relative;display:block;overflow:hidden;
  background:linear-gradient(135deg,#171B26 0%,#2A1660 100%);
  border:2px solid var(--line);
  box-shadow:var(--hard-shadow);
}
.media-frame__img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover}
.media-frame--wide .media-frame__img{aspect-ratio:21/9}
.media-frame--tall .media-frame__img{aspect-ratio:4/5}
.media-frame__cap{
  padding:10px 12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--text-dim);
  background:rgba(14,16,24,.88);
  border-top:2px solid var(--line);
}
.media-frame--empty{
  aspect-ratio:16/10;
  background-image:repeating-linear-gradient(45deg,rgba(122,59,255,.22) 0 12px,rgba(14,16,24,.55) 12px 24px);
}
.media-frame--empty::after{
  content:"图位待放";position:absolute;left:12px;bottom:12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--arcade-cyan);
}

/* ---------- 10. 数据表格 ---------- */
.data-table{font-size:14px;line-height:22px}
.data-table caption{
  padding-bottom:10px;text-align:left;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--text-dim);
}
.data-table th{
  padding:10px 12px;text-align:left;
  font-family:var(--font-mono);font-size:12px;font-weight:400;letter-spacing:.08em;
  color:var(--text);background:var(--violet-shell);
  border:1px solid var(--line);
}
.data-table td{padding:11px 12px;color:var(--text-dim);border:1px solid var(--line)}
.data-table tbody tr:nth-child(odd) td{background:rgba(15,90,70,.20)}
.data-table tbody tr:hover td{background:rgba(122,59,255,.18);color:var(--text)}
.data-table td.num{color:var(--arcade-cyan)}

/* ---------- 11. 标签与筛选 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--arcade-cyan);background:rgba(34,224,214,.08);
  border:1px solid currentColor;
}
.chip--purple{color:#C3A8FF;background:rgba(122,59,255,.16)}
.chip--orange{color:var(--alert-orange);background:rgba(255,122,47,.12)}
.chip--pink{color:var(--badge-pink);background:rgba(255,95,210,.12)}
.chip--green{color:#7FE3C4;background:rgba(15,90,70,.42)}

.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:14px;
  background:var(--slate);
  border:2px solid var(--line);
}
.filter-btn{
  padding:8px 12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  color:var(--text-dim);background:rgba(14,16,24,.62);
  border:2px solid var(--line);
  transition:background-color .16s ease,border-color .16s ease,color .16s ease;
}
.filter-btn:hover{border-color:var(--arcade-cyan);color:var(--text)}
.filter-btn[aria-pressed="true"]{
  color:#fff;background:var(--neon-purple);
  border-color:var(--arcade-cyan);
  box-shadow:3px 3px 0 rgba(0,0,0,.6);
}
.filter-count{margin-left:auto;font-family:var(--font-mono);font-size:12px;color:var(--alert-orange)}
[data-filter-item].is-filtered-out{display:none}
[data-filter-item].is-enter{animation:filterIn .24s ease-out both}
@keyframes filterIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ---------- 12. 正文 / 面包屑 / 显现 / 进度 ---------- */
.prose{max-width:70ch;font-size:16px;line-height:1.75;color:var(--text-dim)}
.prose h2,.prose h3{color:var(--text);margin:1.2em 0 .5em}
.prose p{margin:0 0 .9em}
.prose a{color:var(--arcade-cyan);border-bottom:1px solid rgba(34,224,214,.5)}
.prose a:hover{background:rgba(34,224,214,.14)}
.prose ul,.prose ol{margin:0 0 1em;padding-left:1.3em;list-style:square}
.prose li{margin-bottom:.4em}
.prose blockquote{
  margin:0 0 1em;padding:8px 0 8px 16px;
  color:var(--text);background:rgba(122,59,255,.10);
  border-left:4px solid var(--neon-purple);
}

.breadcrumb{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__link{color:var(--text-dim);transition:color .16s ease}
.breadcrumb__link:hover{color:var(--arcade-cyan)}
.breadcrumb__sep{color:var(--line)}
.breadcrumb__current{color:var(--arcade-cyan)}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

.scroll-progress{
  position:fixed;top:0;left:0;z-index:120;
  width:0;height:3px;pointer-events:none;
  background:linear-gradient(90deg,var(--neon-purple),var(--arcade-cyan),var(--alert-orange));
  transition:width .12s linear;
}

/* ---------- 13. 平板 ---------- */
@media (min-width:768px){
  .container,.foot-shell{width:min(100% - 48px,var(--maxw))}
  .section{padding:72px 0}
  :root{--gap:28px}
}

/* ---------- 14. 桌面：侧边轨道夹持画布 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .site-rail{
    position:fixed;inset:0 auto 0 0;
    width:var(--rail-w);height:100vh;
    padding:24px 18px 22px;
    overflow:hidden;
    border-bottom:0;
    border-right:2px solid var(--line);
    background:linear-gradient(180deg,#2A1660 0%,#1A1040 44%,#0E1018 100%);
    box-shadow:10px 0 0 rgba(122,59,255,.10);
  }
  .site-rail::after{
    content:"";position:absolute;top:0;right:-2px;width:2px;height:100%;
    background:linear-gradient(180deg,var(--neon-purple) 0%,rgba(34,224,214,.35) 52%,transparent 100%);
  }
  .rail-top{justify-content:flex-start}
  .nav-toggle{display:none}
  .rail-drawer{
    position:static;width:auto;
    transform:none;transition:none;
    padding:22px 0 0;overflow:visible;
    background:none;border-left:0;box-shadow:none;
    flex:1 1 auto;min-height:0;
  }
  .rail-scrim{display:none}
  .rail-nav{flex:1 1 auto;min-height:0}
  .rail-nav__list{flex:1 1 auto}
  .section{padding:88px 0}
  .foot-shell{padding:64px 0 30px}
  .foot-grid{grid-template-columns:minmax(280px,.88fr) minmax(0,1.62fr);gap:44px}
}

/* ---------- 15. 降级动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
  .rail-drawer{transition:none}
  .scroll-progress{transition:none}
}