/* =========================================================
   水果666游戏 · 全站共享样式 /assets/site.css
   果味朋克街机厅：深色电玩底 + 霓虹果色 + 切角面板
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --bg:#0F1020;
  --panel:#191C30;
  --line:#2C3150;
  --peach:#FF8A3D;
  --lime:#A8F03A;
  --grape:#9B5CFF;
  --cyan:#35E6E0;
  --ink:#F4F1E9;
  --coral:#FF4D6D;
  --muted:#8E95B2;
  --deep:#2A1140;

  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --wrap:1240px;
  --radius:6px;
  --cut:12px;
  --shadow-soft:0 10px 30px rgba(0,0,0,.45);
}

/* ---------- 2. Reset 与基础 ---------- */
*,*::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(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  position:relative;
  min-height:100vh;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(760px 420px at 82% -6%,rgba(155,92,255,.20),transparent 70%),
    radial-gradient(620px 380px at 8% 4%,rgba(53,230,224,.13),transparent 70%),
    radial-gradient(560px 460px at 50% 108%,rgba(42,17,64,.65),transparent 72%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(180deg,rgba(244,241,233,.024) 0 1px,transparent 1px 3px);
}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4,p,figure,address,blockquote{margin:0}
address{font-style:normal}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{text-decoration:underline}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- 3. 排版 ---------- */
.headline{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.005em;
  color:var(--ink);
}
.headline--xl{font-size:clamp(2.6rem,1.55rem + 5.2vw,5.4rem)}
.headline--lg{font-size:clamp(1.9rem,1.3rem + 2.4vw,3.1rem)}
.headline--md{font-size:clamp(1.25rem,1.05rem + .85vw,1.75rem)}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--cyan);
  margin-bottom:12px;
}
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}
.prose{max-width:74ch;font-size:17px;color:#D9D6CE}
.prose p + p{margin-top:1em}
.prose a{border-bottom:1px solid rgba(53,230,224,.45)}
.prose a:hover{text-decoration:none;border-bottom-color:var(--cyan)}

/* ---------- 4. 布局工具 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.section{padding:64px 0}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 5. 通用组件 ---------- */
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  box-shadow:inset 0 1px 0 rgba(244,241,233,.06),0 14px 34px rgba(0,0,0,.35);
}
.panel--cut{
  border-radius:0;
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn--primary{background:var(--peach);color:#1A0C02;box-shadow:0 8px 24px rgba(255,138,61,.34)}
.btn--primary:hover{box-shadow:0 12px 32px rgba(255,138,61,.5)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 20px rgba(53,230,224,.22)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-mono);font-size:12px;line-height:1;
  padding:6px 11px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted);
  background:rgba(15,16,32,.6);
}
.badge--ok{background:var(--lime);border-color:transparent;color:#121F02}
.badge--alert{background:var(--coral);border-color:transparent;color:#2A0208}

.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:13px;color:var(--muted);
  margin-bottom:20px;
}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--cyan);text-decoration:none}
.breadcrumbs__sep{color:var(--line)}

/* 图片容器基础规则 */
.figure{
  position:relative;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);
  aspect-ratio:16/9;
  background:
    linear-gradient(135deg,rgba(155,92,255,.18),rgba(53,230,224,.08) 58%,rgba(255,138,61,.14)),
    repeating-linear-gradient(0deg,rgba(44,49,80,.55) 0 1px,transparent 1px 24px),
    repeating-linear-gradient(90deg,rgba(44,49,80,.55) 0 1px,transparent 1px 24px),
    var(--panel);
}
.figure > img{width:100%;height:100%;object-fit:cover;position:relative;z-index:2}
.figure--square{aspect-ratio:1/1}
.figure--tall{aspect-ratio:3/4}
.figure--wide{aspect-ratio:21/9}
.figure__cap{
  position:absolute;left:12px;bottom:12px;z-index:3;
  font-family:var(--font-mono);font-size:12px;color:var(--ink);
  background:rgba(15,16,32,.76);padding:5px 11px;border-radius:999px;
  backdrop-filter:blur(6px);
}

/* ---------- 6. 跳过链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:-80px;z-index:120;
  background:var(--cyan);color:#06151A;
  padding:12px 20px;border-radius:4px;font-weight:700;font-size:15px;
  transition:top .22s ease;
}
.skip-link:focus{top:14px;text-decoration:none}

/* ---------- 7. 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(15,16,32,.84);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header[data-scrolled]{
  background:rgba(12,13,26,.96);
  box-shadow:0 12px 34px rgba(0,0,0,.55);
}
.season-rail{
  height:6px;width:100%;
  background:linear-gradient(90deg,
    rgba(155,92,255,.85) 0%,
    rgba(53,230,224,.75) 42%,
    rgba(168,240,58,.6) 74%,
    rgba(255,138,61,.8) 100%);
  position:relative;
  overflow:hidden;
}
.season-rail::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(90deg,var(--bg) 0 1px,transparent 1px 24px);
  opacity:.85;
}
.header-inner{
  display:flex;align-items:center;flex-wrap:wrap;
  gap:18px;min-height:68px;padding:8px 0;
}

/* 品牌锁形 */
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  position:relative;flex:0 0 40px;width:40px;height:40px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,#241A3D,#141728);
  border:1px solid var(--line);
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  filter:drop-shadow(0 0 10px rgba(155,92,255,.45));
}
.brand-mark__pixel{
  width:5px;height:5px;background:var(--peach);
  transform:translate(-12.5px,-5px);
  box-shadow:
    0 -10px 0 0 var(--lime),
    5px -5px 0 0 var(--peach),10px -5px 0 0 var(--peach),15px -5px 0 0 var(--peach),
    0 0 0 0 var(--peach),5px 0 0 0 var(--peach),10px 0 0 0 var(--peach),15px 0 0 0 var(--peach),20px 0 0 0 var(--peach),
    0 5px 0 0 var(--peach),5px 5px 0 0 var(--peach),10px 5px 0 0 var(--peach),15px 5px 0 0 var(--peach),20px 5px 0 0 var(--peach),
    5px 10px 0 0 var(--peach),10px 10px 0 0 var(--peach),15px 10px 0 0 var(--peach);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text__name{
  font-family:var(--font-display);
  font-size:19px;font-weight:800;letter-spacing:.05em;color:var(--ink);
  max-height:28px;overflow:hidden;white-space:nowrap;
  transition:max-height .3s ease,opacity .3s ease;
}
.brand-text__ver{
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-size:12px;letter-spacing:.1em;color:var(--cyan);
}
.site-header[data-scrolled] .brand-text__name{max-height:0;opacity:0}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;min-height:44px;padding:0 15px;
  border-radius:999px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink);font-size:14px;font-weight:600;
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle__bars{
  display:block;width:16px;height:2px;background:var(--cyan);border-radius:2px;
  box-shadow:0 -5px 0 var(--cyan),0 5px 0 var(--cyan);
}
.nav-toggle__label{letter-spacing:.08em}

/* 导航胶囊组 */
.nav-shell{
  display:flex;align-items:center;gap:12px;
  margin-left:auto;
  transition:transform .3s ease;
}
.site-header[data-scrolled] .nav-shell{transform:translateY(4px)}
.nav__list{display:flex;flex-wrap:wrap;gap:6px}
.nav__link{
  display:flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;
  border-radius:999px;
  background:var(--panel);border:1px solid transparent;
  color:var(--muted);font-size:15px;font-weight:500;white-space:nowrap;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.nav__link:hover{
  color:var(--ink);border-color:var(--line);
  transform:translateY(-1px);text-decoration:none;
}
.nav__link[aria-current="page"]{
  background:var(--grape);color:#fff;border-color:var(--cyan);
  box-shadow:0 0 0 1px rgba(53,230,224,.4),0 6px 22px rgba(155,92,255,.42);
}
.nav-cta{white-space:nowrap;flex:0 0 auto}

/* ---------- 8. 页脚 ---------- */
.site-footer{
  position:relative;z-index:2;
  margin-top:96px;
  padding:56px 0 34px;
  background:linear-gradient(180deg,rgba(42,17,64,.4),rgba(15,16,32,.98) 62%);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.15fr 1.5fr 1.15fr;
  gap:40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-tag{font-size:16px;font-weight:600;color:var(--ink)}
.footer-meta{margin-top:8px;font-size:13px;color:var(--muted);font-family:var(--font-mono)}
.footer-meta .mono{color:var(--cyan)}

.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.footer-col__title{
  font-family:var(--font-mono);
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--grape);margin-bottom:14px;
}
.footer-list{display:flex;flex-direction:column;gap:8px}
.footer-link{
  display:inline-flex;align-items:center;min-height:34px;
  color:var(--muted);font-size:15px;
}
.footer-link:hover{color:var(--ink);text-decoration:none}

.footer-address{display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:14px;line-height:1.65}
.footer-address__row{display:flex;flex-wrap:wrap;gap:8px}
.footer-address__k{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--cyan);flex:0 0 auto;
}
.footer-note{margin-top:14px;font-size:13px;color:var(--muted)}

.footer-lamp{
  position:relative;height:1px;margin:42px 0 24px;
  background:linear-gradient(90deg,transparent,rgba(155,92,255,.8) 14%,rgba(53,230,224,.8) 50%,rgba(255,138,61,.8) 86%,transparent);
  box-shadow:0 0 16px rgba(53,230,224,.4);
}
.footer-lamp::after{
  content:"";position:absolute;left:50%;top:-3px;
  width:7px;height:7px;background:var(--lime);
  transform:translateX(-50%);
  box-shadow:-11px 0 0 var(--peach),11px 0 0 var(--grape);
}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-family:var(--font-mono);font-size:13px;color:var(--muted);
}
.footer-copy,.footer-legal{margin:0}

/* ---------- 9. 滚动辅助组件 ---------- */
.toc{
  position:fixed;right:16px;top:50%;transform:translateY(-50%);
  z-index:45;
  display:flex;flex-direction:column;gap:12px;
  align-items:flex-end;
}
.toc__link{
  display:inline-flex;align-items:center;gap:10px;justify-content:flex-end;
  min-height:26px;
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
}
.toc__link::before{
  content:"";width:18px;height:1px;background:var(--line);
  transition:width .25s ease,background .25s ease;
}
.toc__link:hover{color:var(--ink);text-decoration:none}
.toc__link:hover::before{width:28px;background:var(--cyan)}
.toc__link[aria-current="true"]{color:var(--cyan)}
.toc__link[aria-current="true"]::before{width:32px;background:var(--cyan)}

.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--line);
  color:var(--cyan);font-size:20px;line-height:1;
  opacity:0;visibility:hidden;transform:translateY(12px);
  box-shadow:0 12px 30px rgba(0,0,0,.5);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--cyan);box-shadow:0 0 24px rgba(53,230,224,.4)}
.to-top > span{display:block;transform:translateY(-1px)}

.scroll-meter{
  position:fixed;top:0;left:0;z-index:90;
  height:2px;width:0;
  background:linear-gradient(90deg,var(--grape),var(--cyan) 50%,var(--peach));
  pointer-events:none;
}

/* ---------- 10. 入场显现 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity .5s ease,transform .5s ease;
}
[data-reveal][data-revealed]{opacity:1;transform:none}

/* ---------- 11. 响应式 ---------- */
@media (max-width:1080px){
  .section{padding:52px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .col-3,.col-4{grid-column:span 6}
  .col-6,.col-8{grid-column:span 12}
  .toc{display:none}
}
@media (max-width:820px){
  body{font-size:16px}
  .nav-toggle{display:inline-flex}
  .nav-shell{
    display:none;
    width:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:10px;
    padding:12px 0 14px;
    order:3;
  }
  .nav-shell[data-open]{display:flex}
  .nav__list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;width:100%}
  .nav__link{background:rgba(25,28,48,.92);font-size:14px;padding:0 12px}
  .nav-cta{width:100%}
  .header-inner{min-height:64px;gap:12px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .section{padding:40px 0}
  .site-footer{margin-top:64px;padding:44px 0 28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-nav{grid-template-columns:1fr 1fr}
  .to-top{right:14px;bottom:16px}
  .brand-text__name{font-size:17px}
}
@media (max-width:400px){
  .nav__list{grid-template-columns:1fr}
  .footer-nav{grid-template-columns:1fr}
}

/* ---------- 12. 减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
}