/* ==========================================================================
   BEPLAY 品牌主页 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 浮岛头部 / 全局面板 / 控制台页脚 / 基础组件
   ========================================================================== */

:root{
  --deep:#0A1B2E;
  --abyss:#050E18;
  --indigo:#2E2352;
  --wine:#4A1B2E;
  --cyan:#22E0D6;
  --cyan-mist:#8FF6EF;
  --orange:#FF6A1F;
  --ink:#E9F2F8;
  --muted:#93A8B9;
  --grid:#14344A;
  --line:rgba(34,224,214,.18);
  --line-strong:rgba(34,224,214,.4);
  --panel-bg:rgba(10,27,46,.8);
  --font-display:"Space Grotesk","Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-body:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono","Sarasa Mono SC","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;
  --radius-card:24px;
  --radius-pill:999px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shell:1180px;
  --gutter:clamp(18px,4vw,40px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,picture,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ---------- 底色与网格纹理 ---------- */
body{
  min-height:100dvh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--deep);
  background-image:
    radial-gradient(1100px 620px at 84% -8%, rgba(46,35,82,.72), transparent 62%),
    radial-gradient(880px 540px at -6% 18%, rgba(34,224,214,.12), transparent 58%),
    radial-gradient(760px 520px at 52% 108%, rgba(74,27,46,.5), transparent 62%),
    linear-gradient(180deg,#0A1B2E 0%,#081527 46%,#050E18 100%);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(20,52,74,.9) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,52,74,.9) 1px, transparent 1px);
  background-size:24px 24px;
  opacity:.3;
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:linear-gradient(45deg,transparent 42%,rgba(34,224,214,.07) 50%,transparent 58%);
  background-size:260% 260%;
  animation:grid-flow 12s linear infinite;
}
@keyframes grid-flow{
  from{background-position:0% 100%}
  to{background-position:100% 0%}
}
body.is-panel-open{overflow:hidden}

main,.site-footer{position:relative;z-index:1}
#main-content{scroll-margin-top:96px}
#main-content:focus{outline:none}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:700;line-height:1.1;letter-spacing:-.02em}
.display{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(2.6rem,6.2vw,5rem);
  line-height:1;
  letter-spacing:-.02em;
}
.serif{font-family:var(--font-serif);font-weight:500;line-height:1.35}
.section-title{
  display:flex;align-items:baseline;gap:16px;
  font-family:var(--font-serif);
  font-weight:500;
  font-size:clamp(1.35rem,2.6vw,2.1rem);
  line-height:1.35;
  color:var(--ink);
}
.section-title::before{
  content:"";flex:0 0 32px;height:2px;border-radius:2px;
  background:var(--cyan);
  transform:translateY(-.34em);
}
.section-sub{margin-top:12px;color:var(--muted);font-size:15px}
.lede{
  font-size:clamp(1rem,1.2vw,1.125rem);
  line-height:1.75;
  max-width:36em;
  color:rgba(233,242,248,.9);
}
.muted{color:var(--muted)}
.mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.01em}
p+p{margin-top:1em}

/* ---------- 布局 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(48px,8vw,96px)}
.stack{display:flex;flex-direction:column;gap:24px}
.grid{display:grid;gap:clamp(18px,2.6vw,32px)}
.grid--7-5{grid-template-columns:7fr 5fr}
.grid--5-7{grid-template-columns:5fr 7fr}
.grid--8-4{grid-template-columns:8fr 4fr}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-body);
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;
  transition:transform .16s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease);
}
.btn:active{transform:scale(.97)}
.btn--cta{
  background:var(--orange);
  color:#1A0A02;
  box-shadow:0 10px 26px rgba(255,106,31,.28);
}
.btn--cta:hover{background:#FF7F3D;box-shadow:0 12px 30px rgba(255,106,31,.38)}
.btn--ghost{
  background:rgba(34,224,214,.06);
  border-color:var(--line-strong);
  color:var(--cyan-mist);
}
.btn--ghost:hover{background:rgba(34,224,214,.14);border-color:var(--cyan)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(34,224,214,.3);
  background:rgba(34,224,214,.08);
  color:var(--cyan-mist);
  font-size:12px;line-height:1.5;letter-spacing:.04em;
}
.tag--mono{font-family:var(--font-mono);font-weight:600;letter-spacing:.02em}

/* ---------- 卡片 ---------- */
.card{
  position:relative;
  padding:clamp(20px,2.4vw,30px);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(160deg,rgba(46,35,82,.5),rgba(10,27,46,.72));
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 44px rgba(5,14,24,.5)}
.card--indigo{background:linear-gradient(165deg,rgba(46,35,82,.78),rgba(10,27,46,.8))}
.card--wine{background:linear-gradient(165deg,rgba(74,27,46,.72),rgba(10,27,46,.82))}

/* ---------- 图片容器基础规则 ---------- */
.media{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:linear-gradient(135deg,#0D2237,#1B1533);
  aspect-ratio:16/10;
}
.media img,.media picture,.media video{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:3/4}
.media--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 30px),calc(100% - 30px) 100%,0 100%)}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;
  font-family:var(--font-mono);font-size:12px;
  color:var(--cyan-mist);
  background:linear-gradient(0deg,rgba(5,14,24,.9),transparent);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin-bottom:18px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumbs li{display:flex;align-items:center;gap:8px}
.breadcrumbs li+li::before{content:"/";color:rgba(147,168,185,.5)}
.breadcrumbs a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumbs a:hover{color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--ink)}

/* ---------- 工具类 ---------- */
.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;
}
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
  transition-delay:calc(var(--i,0) * 80ms);
}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  padding:10px 20px;
  border-radius:var(--radius-pill);
  background:var(--orange);
  color:#1A0A02;
  font-weight:700;font-size:14px;
  transform:translateY(-180%);
  transition:transform .22s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}

/* ==========================================================================
   头部：悬浮胶囊浮岛
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:80;
  padding-top:clamp(12px,1.6vw,20px);
  transition:padding-top .24s var(--ease);
}
.site-header[data-scrolled="true"]{padding-top:8px}

.scroll-progress{
  position:absolute;top:0;left:0;right:0;height:2px;
  background:rgba(20,52,74,.85);
  pointer-events:none;
}
.scroll-progress i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--orange));
  transition:width .12s linear;
}

.island-wrap{
  padding-inline:var(--gutter);
  max-width:calc(var(--shell) + var(--gutter) * 2);
  margin-inline:auto;
}
.island{
  display:flex;align-items:center;gap:clamp(8px,1.6vw,20px);
  padding:8px 10px 8px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:var(--panel-bg);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 18px 44px rgba(5,14,24,.55);
  transition:padding .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header[data-scrolled="true"] .island{
  padding-block:4px;
  background:rgba(5,14,24,.92);
  box-shadow:0 12px 30px rgba(5,14,24,.6);
}

.island__brand{
  display:inline-flex;align-items:center;gap:10px;
  padding-right:18px;
  border-right:1px solid rgba(34,224,214,.16);
  font-family:var(--font-display);
  font-weight:800;font-size:15px;
  letter-spacing:.14em;
  color:var(--ink);
  white-space:nowrap;
}
.island__brand-text{line-height:1}
.island__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(34,224,214,.16);
  animation:status-pulse 3.2s var(--ease) infinite;
}
@keyframes status-pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(34,224,214,.14)}
  50%{box-shadow:0 0 0 6px rgba(34,224,214,.06)}
}

.island__nav{
  display:flex;flex:1;align-items:center;justify-content:center;
  gap:2px;min-width:0;
}
.island__link{
  padding:8px 14px;
  border-radius:var(--radius-pill);
  font-size:14px;font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.island__link:hover{color:var(--cyan-mist);background:rgba(34,224,214,.08)}
.island__link[aria-current="page"]{
  color:var(--cyan-mist);
  background:rgba(34,224,214,.13);
  box-shadow:inset 0 0 0 1px rgba(34,224,214,.3);
}

.island__actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.island__cta{padding:10px 20px;font-size:14px}

.island__grid-btn{
  width:44px;height:44px;flex:0 0 auto;
  display:grid;place-items:center;
  padding:0;
  border:1px solid rgba(34,224,214,.28);
  border-radius:16px;
  background:rgba(34,224,214,.06);
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease);
}
.island__grid-btn:hover{background:rgba(34,224,214,.14);border-color:var(--cyan)}
.island__grid-btn:active{transform:scale(.96)}
.grid-icon{
  display:grid;
  grid-template-columns:repeat(2,7px);
  grid-template-rows:repeat(2,7px);
  gap:3px;
}
.grid-icon i{display:block;border-radius:2px;background:var(--cyan);transition:background-color .2s var(--ease)}
.grid-icon i:nth-child(4){background:rgba(34,224,214,.26)}
.site-header[data-open="true"] .island__grid-btn{background:var(--cyan);border-color:var(--cyan)}
.site-header[data-open="true"] .grid-icon i{background:var(--abyss)}
.site-header[data-open="true"] .grid-icon i:nth-child(4){background:rgba(5,14,24,.4)}

/* ==========================================================================
   全局栏目面板
   ========================================================================== */
.site-panel__backdrop{
  position:fixed;inset:0;z-index:85;
  background:rgba(5,14,24,.72);
  backdrop-filter:blur(3px);
  -webkit-backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.site-header[data-open="true"] .site-panel__backdrop{opacity:1;visibility:visible}

.site-panel{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(420px,92vw);
  display:flex;flex-direction:column;gap:22px;
  padding:clamp(22px,4vw,32px);
  overflow-y:auto;
  border-left:1px solid rgba(34,224,214,.22);
  background:
    radial-gradient(600px 320px at 100% 0%,rgba(46,35,82,.95),transparent 70%),
    linear-gradient(200deg,rgba(13,34,55,.99),rgba(5,14,24,.99));
  box-shadow:-30px 0 80px rgba(5,14,24,.65);
  transform:translateX(102%);
  visibility:hidden;
  transition:transform .32s var(--ease),visibility .32s var(--ease);
}
.site-header[data-open="true"] .site-panel{transform:none;visibility:visible}

.site-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-panel__eyebrow{
  font-family:var(--font-mono);
  font-size:12px;font-weight:600;
  letter-spacing:.22em;
  color:var(--cyan);
}
.site-panel__close{
  width:38px;height:38px;
  display:grid;place-items:center;
  border:1px solid rgba(34,224,214,.32);
  border-radius:50%;
  background:transparent;
  color:var(--ink);
  font-size:20px;line-height:1;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease);
}
.site-panel__close:hover{background:rgba(34,224,214,.14);border-color:var(--cyan)}
.site-panel__close:active{transform:scale(.94)}

.site-panel__list{display:flex;flex-direction:column;gap:6px}
.site-panel__item{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 14px;
  border:1px solid transparent;
  border-radius:16px;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.site-panel__item:hover{background:rgba(34,224,214,.08);border-color:rgba(34,224,214,.24);transform:translateX(-2px)}
.site-panel__item[aria-current="page"]{background:rgba(34,224,214,.12);border-color:rgba(34,224,214,.34)}
.site-panel__label{font-size:15px;font-weight:600;color:var(--ink)}
.site-panel__desc{font-size:12.5px;line-height:1.5;color:var(--muted)}

.site-panel__foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;align-items:stretch}
.site-panel__meta{font-size:13px;color:var(--muted);text-align:center;transition:color .2s var(--ease)}
.site-panel__meta:hover{color:var(--cyan-mist)}

/* ==========================================================================
   页脚：控制台底座
   ========================================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(60px,9vw,120px);
  padding:clamp(40px,6vw,72px) 0 28px;
  border-top:1px solid rgba(34,224,214,.14);
  background:linear-gradient(180deg,rgba(5,14,24,.55),#050E18 62%);
  overflow:hidden;
}
.footer__grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(20,52,74,.9) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(20,52,74,.9) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.34;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 92%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 92%);
}
.footer__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.1fr 1.9fr 1.3fr;
  gap:clamp(28px,4vw,56px);
  align-items:start;
}
.footer__logo{
  display:flex;align-items:center;gap:9px;
  font-family:var(--font-display);
  font-weight:800;font-size:20px;letter-spacing:.14em;
  color:var(--ink);
}
.footer__dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(34,224,214,.14)}
.footer__signature{
  margin-top:14px;
  font-family:var(--font-serif);
  font-size:14px;line-height:1.6;
  color:var(--muted);
  max-width:22em;
}
.footer__cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer__title{
  margin-bottom:14px;
  font-family:var(--font-serif);
  font-weight:500;font-size:15px;
  letter-spacing:.06em;
  color:var(--cyan-mist);
}
.footer__list{display:flex;flex-direction:column;gap:9px}
.footer__list a{
  font-size:14px;
  color:var(--muted);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer__list a:hover{color:var(--cyan-mist);transform:translateX(3px)}
.footer__contact{
  display:flex;flex-direction:column;gap:9px;
  padding-left:20px;
  border-left:1px solid rgba(34,224,214,.16);
  font-size:13.5px;line-height:1.6;
  color:var(--muted);
}
.footer__contact-item{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline}
.footer__contact-key{
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.14em;
  color:var(--cyan);
  opacity:.85;
}
.footer__contact .mono{font-size:13px;color:var(--ink)}
.footer__note{
  margin-top:4px;
  font-family:var(--font-mono);
  font-size:11.5px;
  color:rgba(147,168,185,.8);
}
.footer__legal{
  position:relative;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:clamp(28px,4vw,48px);
  padding-top:20px;
  border-top:1px solid rgba(20,52,74,.9);
  font-family:var(--font-mono);
  font-size:12px;
  color:rgba(147,168,185,.85);
}
.footer__legal-line{letter-spacing:.02em}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .footer__inner{grid-template-columns:1fr 1.6fr}
  .footer__contact{grid-column:1 / -1;padding-left:0;border-left:0;border-top:1px solid rgba(34,224,214,.16);padding-top:18px;flex-direction:row;flex-wrap:wrap;gap:8px 28px}
}
@media (max-width:960px){
  .island__link{padding:8px 10px;font-size:13px}
  .island{padding-left:16px}
  .island__brand{font-size:14px;padding-right:14px}
  .grid--7-5,.grid--5-7,.grid--8-4{grid-template-columns:1fr}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:880px){
  .island__nav{display:none}
  .island__actions{margin-left:auto}
  .site-header{padding-top:10px}
}
@media (max-width:640px){
  .island__cta{display:none}
  .island{gap:10px;padding:6px 8px 6px 16px}
  .island__grid-btn{width:42px;height:42px;border-radius:14px}
  .footer__inner{grid-template-columns:1fr;gap:32px}
  .footer__cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px}
  .footer__contact{flex-direction:column;gap:8px}
  .footer__legal{font-size:11.5px;justify-content:flex-start}
  .grid--3{grid-template-columns:1fr}
  .display{font-size:clamp(2.2rem,10vw,3.4rem)}
}
@media (max-width:380px){
  .island__brand{letter-spacing:.08em;font-size:13px}
  .site-panel{padding:20px 18px}
}

/* ==========================================================================
   减少动效
   ========================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  body::after{animation:none;opacity:.5}
  .island__dot{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .card:hover{transform:none}
  .island__link:hover,.site-panel__item:hover,.footer__list a:hover{transform:none}
}