@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Silkscreen&family=VT323&family=Noto+Sans+SC:wght@400;700&display=swap');

:root{
  --xl-blue:#3a6ed8;
  --xl-blue2:#5b9bd5;
  --xl-cyan:#5fd3f3;
  --xl-deep:#0b1b3a;
  --xl-ink:#060b18;
  --xl-glow:#4ea8ff;
  --xl-violet:#7c5cff;
  --xl-pix:'Press Start 2P','Silkscreen','Courier New',monospace;
  --xl-mono:'VT323','Consolas','Courier New',monospace;
  --xl-body:'Noto Sans SC','Segoe UI','Microsoft YaHei',sans-serif;
  --page-bg:#060b18;
  --page-fg:#c9dcff;
  --page-dim:#8fb3e8;
  --shell:1080px;
}

*{box-sizing:border-box;}

html{scroll-behavior:smooth;overflow-x:hidden;}

body{
  margin:0;background:var(--page-bg);color:var(--page-fg);
  font-family:var(--xl-body);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}

a{color:var(--xl-cyan);}

/* ============ 背景 ============ */
/*
 * 装饰层一律不使用 filter:blur() / mask-image / mix-blend-mode。
 * 这三种写法在部分 Android GPU（Mali/Adreno）与旧版 Chromium 上会让
 * 合成层直接失败，表现为整页白屏。改用渐变实现，视觉几乎一致。
 */
.bg-grid{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(180deg,rgba(8,13,26,0) 0%,rgba(8,13,26,.55) 45%,rgba(8,13,26,.92) 78%),
    repeating-linear-gradient(0deg,rgba(95,211,243,.05) 0 1px,rgba(0,0,0,0) 1px 44px),
    repeating-linear-gradient(90deg,rgba(95,211,243,.05) 0 1px,rgba(0,0,0,0) 1px 44px);
}
.bg-glow{
  position:fixed;left:50%;top:-260px;z-index:-1;transform:translateX(-50%);
  width:1100px;height:620px;pointer-events:none;border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(58,110,216,.30) 0%,rgba(124,92,255,.12) 45%,rgba(0,0,0,0) 70%);
}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:24px;
  max-width:var(--shell);margin:0 auto;padding:14px 24px;
}
.site-nav::before{
  content:'';position:absolute;inset:0;z-index:-1;
  background:rgba(6,11,24,.94);
  border-bottom:1px solid rgba(47,96,196,.35);
}
.site-brand{display:flex;align-items:center;}
.site-brand img{width:auto;height:26px;image-rendering:pixelated;}
.site-links{display:flex;gap:20px;margin-left:auto;}
.site-links a{
  color:var(--page-dim);text-decoration:none;font-family:var(--xl-mono);
  font-size:20px;letter-spacing:1px;transition:color .2s ease,transform .2s ease;
}
.site-links a:hover{color:var(--xl-cyan);transform:translateY(-2px);}
.site-cta{
  font-family:var(--xl-mono);font-size:20px;letter-spacing:1px;text-decoration:none;
  color:#cfe8ff;padding:5px 16px;border-radius:6px;
  background:linear-gradient(180deg,#16295a,#0a1730);
  border:2px solid #2f60c4;box-shadow:0 4px 0 #060b18;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-cta:hover{transform:translateY(-3px);border-color:var(--xl-cyan);box-shadow:0 7px 0 #060b18;}

/* ============ 版心 / 分区 ============ */
main{max-width:var(--shell);margin:0 auto;padding:0 24px 40px;}
.site-section{padding:18px 0 8px;}
.site-divider{max-width:var(--shell);margin:8px auto;}
.tech-chips{margin:6px 0 4px;}
.xl-meta{font-family:var(--xl-mono);font-size:21px;color:var(--page-dim);letter-spacing:1px;}
.contact-links{margin-top:8px;}

/* ============ HERO ============ */
.site-hero{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:56px 0 34px;gap:4px;
}
.hero-bot{width:190px;margin-bottom:6px;}
.hero-title{
  font-family:var(--xl-body);font-weight:700;font-size:34px;line-height:1.35;
  margin:18px 0 6px;color:#fff;letter-spacing:1px;
  text-shadow:0 3px 0 #0b1b3a,0 0 26px rgba(95,211,243,.35);
}
.hero-sub{
  font-family:var(--xl-mono);font-size:22px;letter-spacing:3px;color:var(--xl-cyan);
  margin:0 0 18px;
}
.hero-badges{margin:0 0 22px;}
.hero-btn{
  display:inline-block;font-family:var(--xl-pix);font-size:13px;line-height:1;
  text-decoration:none;color:#fff;padding:15px 30px;border-radius:8px;
  background:linear-gradient(180deg,#5b9bd5 0%,#2f60c4 48%,#1d3f8f 52%,#16307a 100%);
  border:3px solid #0b1b3a;
  text-shadow:0 3px 0 #0b1b3a,0 0 20px rgba(95,211,243,.6);
  box-shadow:0 6px 0 #0b1b3a,0 12px 28px rgba(0,0,0,.5);
  transition:transform .2s ease,box-shadow .2s ease;
}
.hero-btn:hover{transform:translateY(-4px);box-shadow:0 10px 0 #0b1b3a,0 16px 32px rgba(0,0,0,.55);}

/* ============ 页脚 ============ */
.site-foot{
  max-width:var(--shell);margin:0 auto;padding:40px 24px 60px;text-align:center;
  border-top:1px solid rgba(47,96,196,.28);
  font-family:var(--xl-mono);font-size:20px;color:var(--page-dim);
}
.site-foot p{margin:4px 0;}
.foot-dim{opacity:.55;letter-spacing:2px;}

/* ============ 移动端导航按钮 ============ */
.site-burger{
  display:none;margin-left:10px;
  width:44px;height:40px;padding:9px 9px;
  background:linear-gradient(180deg,#16295a,#0a1730);
  border:2px solid #2f60c4;border-radius:9px;
  box-shadow:0 4px 0 #060b18;cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.site-burger span{
  display:block;height:2px;background:#cfe8ff;border-radius:2px;
  margin:4px 0;transition:transform .25s ease,opacity .2s ease;
}
.site-burger.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.site-burger.is-active span:nth-child(2){opacity:0;}
.site-burger.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}



.markdown-body{color:#c9dcff;font-family:var(--xl-body);}
.markdown-body h1,.markdown-body h2,.markdown-body h3{font-family:var(--xl-pix);color:#fff;letter-spacing:1px;}

/* ============ 像素标题 ============ */
.xl-head{
  display:inline-block;padding:12px 28px;margin:28px 0 18px;
  font-family:var(--xl-pix);font-size:19px;line-height:1.6;color:#fff;
  background:linear-gradient(180deg,#5b9bd5 0%,#2f60c4 48%,#1d3f8f 52%,#16307a 100%);
  border:3px solid #0b1b3a;border-radius:8px;
  text-shadow:0 3px 0 #0b1b3a,0 0 22px rgba(95,211,243,.65);
  box-shadow:0 6px 0 #0b1b3a,0 12px 30px rgba(0,0,0,.55);
}
.xl-sub{
  display:block;margin:-8px 0 22px;
  font-family:var(--xl-mono);font-size:22px;letter-spacing:2px;color:var(--xl-cyan);
  text-shadow:0 0 14px rgba(95,211,243,.5);
}
.xl-divider{
  display:block;height:14px;margin:26px 0;
  background:
    linear-gradient(90deg,transparent 0%,rgba(95,211,243,0) 0%,#1b3766 0%,#1b3766 100%),
    repeating-linear-gradient(90deg,#0b1b3a 0 10px,#2f60c4 10px 20px,#5fd3f3 20px 26px,#2f60c4 26px 36px);
  background-repeat:no-repeat,repeat-x;
  background-size:100% 100%,100% 6px;
  background-position:center,center;
  border-radius:3px;opacity:.85;
}

/* ============ 浮动机器人 ============ */
.xl-float{
  animation:xl-float 4.2s ease-in-out infinite;
  filter:drop-shadow(0 10px 16px rgba(0,0,0,.65));
}
@keyframes xl-float{
  0%,100%{transform:translateY(0) rotate(-1.5deg);}
  50%{transform:translateY(-16px) rotate(1.5deg);}
}

/* ============ 打字机（自研，无第三方服务） ============ */
.xl-typewrap{display:flex;justify-content:center;height:46px;overflow:hidden;max-width:100%;}
.xl-type{
  position:relative;display:inline-block;max-width:100%;
  border-right:3px solid var(--xl-cyan);
  animation:xl-caret-blink 1s step-end infinite;
}
/* 文字本身不动，用 clip-path 从左往右揭示，避免打字时整个元素重新居中 */
.xl-type-text{
  display:inline-block;white-space:nowrap;
  font-family:var(--xl-mono);font-size:32px;letter-spacing:1px;color:var(--xl-cyan);
  text-shadow:0 0 16px rgba(95,211,243,.55);
  clip-path:inset(0 100% 0 0);
  animation:xl-type 16s steps(37,end) infinite;
}
@keyframes xl-type{
  0%{clip-path:inset(0 100% 0 0);}
  40%{clip-path:inset(0 0 0 0);}
  82%{clip-path:inset(0 0 0 0);}
  92%,100%{clip-path:inset(0 100% 0 0);}
}
@keyframes xl-caret-blink{0%,100%{border-right-color:var(--xl-cyan);}50%{border-right-color:transparent;}}
.xl-tagline{
  display:block;text-align:center;font-family:var(--xl-mono);font-size:24px;
  letter-spacing:3px;color:#8fb3e8;margin-top:-2px;
}

/* ============ 徽章 ============ */
.xl-badge{
  display:inline-block;padding:6px 14px;margin:5px;
  font-family:var(--xl-mono);font-size:20px;letter-spacing:1px;color:#cfe8ff;
  background:linear-gradient(180deg,#16295a,#0a1730);
  border:2px solid #2f60c4;border-radius:6px;
  box-shadow:0 4px 0 #060b18,inset 0 0 12px rgba(95,211,243,.22);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.xl-badge:hover{transform:translateY(-4px);border-color:var(--xl-cyan);box-shadow:0 8px 0 #060b18,0 0 22px rgba(95,211,243,.5);}
.xl-badge-link{text-decoration:none;}

/* ============ 终端窗口 ============ */
.xl-term{
  max-width:780px;margin:0 auto;text-align:left;
  background:linear-gradient(180deg,#0d1a33 0%,#08111f 100%);
  border:2px solid #2a4d8f;border-radius:12px;overflow:hidden;
  box-shadow:0 20px 44px rgba(0,0,0,.6),inset 0 0 60px rgba(58,110,216,.16);
}
.xl-term-bar{
  display:flex;align-items:center;gap:8px;padding:10px 14px;
  background:#0a1428;border-bottom:1px solid #22386b;position:relative;
}
.xl-term-bar::after{
  content:'xili-ai — zsh';position:absolute;right:14px;
  font-family:var(--xl-mono);font-size:16px;color:#4a6a9e;
}
.xl-dot{width:12px;height:12px;border-radius:50%;display:inline-block;}
.xl-term-body{
  padding:16px 18px;font-family:var(--xl-mono);font-size:19px;line-height:1.65;color:#9fd6ff;
}
.xl-cmd{color:var(--xl-cyan);}
.xl-key{color:#c08cff;}
.xl-val{color:#7ef2a8;}
.xl-caret{
  display:inline-block;width:9px;height:15px;background:var(--xl-cyan);
  vertical-align:-2px;margin-left:3px;animation:xl-blink 1.05s steps(1) infinite;
}
@keyframes xl-blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ============ 3D CPU 芯片（自研，纯 CSS） ============ */
.xl-chip-stage{
  --cw:240px;--ct:26px;
  position:relative;display:flex;justify-content:center;align-items:center;
  perspective:1200px;padding:64px 0 58px;min-height:390px;
}
.xl-cpu-glow{
  position:absolute;left:50%;top:50%;width:470px;height:470px;border-radius:50%;
  pointer-events:none;
  background:radial-gradient(circle,rgba(95,211,243,.26) 0%,rgba(58,110,216,.14) 42%,rgba(0,0,0,0) 70%);
  animation:xl-cpu-glow 3.6s ease-in-out infinite;
}
@keyframes xl-cpu-glow{
  0%,100%{opacity:.42;transform:translate(-50%,-50%) scale(.9);}
  50%{opacity:1;transform:translate(-50%,-50%) scale(1.08);}
}
.xl-cpu-tilt{
  position:relative;width:var(--cw);height:var(--cw);
  -webkit-transform-style:preserve-3d;transform-style:preserve-3d;
  animation:xl-cpu-float 10s ease-in-out infinite;
}
@keyframes xl-cpu-float{
  0%,100%{transform:rotateX(34deg) rotateZ(-14deg);}
  50%{transform:rotateX(27deg) rotateZ(-5deg) translateZ(16px);}
}
.xl-cpu{position:relative;width:var(--cw);height:var(--cw);transform-style:preserve-3d;}

/* 顶面 = 芯片封装基板 */
.xl-cpu-top{
  position:absolute;inset:0;transform:translateZ(var(--ct));
  background:linear-gradient(140deg,#24395f 0%,#10203e 52%,#0a1428 100%);
  border:2px solid #3d5c96;border-radius:7px;
  box-shadow:inset 0 0 40px rgba(95,211,243,.16);
}
.xl-cpu-top::after{
  content:'';position:absolute;inset:0;border-radius:5px;pointer-events:none;
  background:linear-gradient(140deg,rgba(190,248,255,.38),rgba(124,92,255,.24));
  animation:xl-face-pulse 3.6s ease-in-out infinite;
}
@keyframes xl-face-pulse{0%,100%{opacity:.10;}50%{opacity:.62;}}

/* 侧壁 */
.xl-cpu-face{position:absolute;overflow:hidden;}
.xl-cpu-face::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:rgba(190,248,255,.5);
  animation:xl-face-pulse 3.6s ease-in-out infinite;
}
.xl-cpu-front{
  left:0;top:var(--cw);width:var(--cw);height:var(--ct);
  transform-origin:top center;transform:translateZ(var(--ct)) rotateX(-90deg);
  background:linear-gradient(180deg,#2a4a80,#0a1428);
  border:1px solid #3a5b93;border-top:none;
}
.xl-cpu-right{
  left:var(--cw);top:0;width:var(--ct);height:var(--cw);
  transform-origin:left center;transform:translateZ(var(--ct)) rotateY(90deg);
  background:linear-gradient(90deg,#1d3358,#0a1428);
  border:1px solid #2f4d80;border-left:none;
}

/* 引脚 */
.xl-cpu-pins{
  position:absolute;opacity:.9;
  background-image:repeating-linear-gradient(90deg,#e8c96a 0 7px,rgba(232,201,106,0) 7px 16px);
}
.xl-cpu-pins.pt{left:14px;right:14px;top:-13px;height:11px;}
.xl-cpu-pins.pb{left:14px;right:14px;bottom:-13px;height:11px;}
.xl-cpu-pins.pl{top:14px;bottom:14px;left:-13px;width:11px;
  background-image:repeating-linear-gradient(0deg,#e8c96a 0 7px,rgba(232,201,106,0) 7px 16px);}
.xl-cpu-pins.pr{top:14px;bottom:14px;right:-13px;width:11px;
  background-image:repeating-linear-gradient(0deg,#e8c96a 0 7px,rgba(232,201,106,0) 7px 16px);}

/* 裸片（die） */
.xl-cpu-die{
  position:absolute;inset:20px 20px 54px;border-radius:4px;overflow:hidden;
  background:
    repeating-linear-gradient(0deg,rgba(95,211,243,.09) 0 1px,rgba(0,0,0,0) 1px 13px),
    repeating-linear-gradient(90deg,rgba(95,211,243,.09) 0 1px,rgba(0,0,0,0) 1px 13px),
    radial-gradient(circle at 46% 40%,rgba(58,140,216,.45),rgba(5,10,22,.94) 74%);
  border:1px solid rgba(95,211,243,.5);
  box-shadow:inset 0 0 36px rgba(95,211,243,.32);
}
/* 电流：两道流动的光带 */
.xl-cpu-die::before{
  content:'';position:absolute;inset:-60%;pointer-events:none;
  background:linear-gradient(104deg,rgba(0,0,0,0) 44%,rgba(190,248,255,.55) 50%,rgba(0,0,0,0) 56%);
  animation:xl-current 3.6s linear infinite;
}
.xl-cpu-die::after{
  content:'';position:absolute;inset:-60%;pointer-events:none;
  background:linear-gradient(104deg,rgba(0,0,0,0) 28%,rgba(124,92,255,.45) 34%,rgba(0,0,0,0) 40%);
  animation:xl-current 3.6s linear infinite;
}
@keyframes xl-current{
  0%{transform:translate(-40%,-40%);}
  100%{transform:translate(40%,40%);}
}
/* 核心：我们的像素机器人 */
.xl-cpu-die img{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:100px;image-rendering:pixelated;
  animation:xl-die-core 3.6s ease-in-out infinite;
}
@keyframes xl-die-core{
  0%,100%{opacity:.72;}
  50%{opacity:1;}
}
/* 电流粒子 */
.xl-spark{
  position:absolute;left:var(--x);top:var(--y);width:5px;height:5px;border-radius:50%;
  background:#e8fdff;box-shadow:0 0 9px 2px rgba(95,211,243,.95);opacity:0;
  animation:xl-spark 3.6s linear infinite;animation-delay:calc(var(--i) * -0.42s);
}
@keyframes xl-spark{
  0%{opacity:0;transform:translate(0,0) scale(.4);}
  10%{opacity:1;}
  55%{opacity:1;transform:translate(var(--dx),var(--dy)) scale(1);}
  90%{opacity:.65;transform:translate(calc(var(--dx) * 1.35),calc(var(--dy) * 1.35)) scale(.85);}
  100%{opacity:0;transform:translate(calc(var(--dx) * 1.6),calc(var(--dy) * 1.6)) scale(.5);}
}
/* 印在封装上的 logo */
.xl-cpu-mark{
  position:absolute;left:50%;bottom:15px;transform:translateX(-50%);width:130px;opacity:1;
}
/* 每次脉冲向外扩散的能量环 */
.xl-cpu-wave{
  position:absolute;left:50%;top:50%;width:var(--cw);height:var(--cw);
  border:2px solid rgba(95,211,243,.7);border-radius:9px;pointer-events:none;
  animation:xl-wave 3.6s ease-out infinite;
}
@keyframes xl-wave{
  0%{opacity:.5;transform:translate(-50%,-50%) scale(1);}
  68%{opacity:0;transform:translate(-50%,-50%) scale(var(--wave-max,1.85));}
  100%{opacity:0;transform:translate(-50%,-50%) scale(var(--wave-max,1.85));}
}

/* ============ 3D 翻转卡片（项目） ============ */
.xl-cards{
  display:flex;justify-content:center;align-items:stretch;gap:28px;flex-wrap:wrap;
  perspective:1500px;margin:8px 0 10px;
}
.xl-card{flex:1 1 320px;max-width:470px;height:300px;perspective:1200px;}
.xl-card-inner{
  position:relative;width:100%;height:100%;
  -webkit-transform-style:preserve-3d;transform-style:preserve-3d;
  transition:transform .95s cubic-bezier(.22,.85,.25,1);
}
.xl-card:hover .xl-card-inner{transform:rotateY(180deg);}
.xl-face{
  position:absolute;inset:0;
  -webkit-backface-visibility:hidden;backface-visibility:hidden;
  border-radius:16px;padding:20px;text-align:left;
  background:linear-gradient(160deg,#15295b 0%,#0a1730 100%);
  border:2px solid #2f60c4;
  box-shadow:0 14px 32px rgba(0,0,0,.55),inset 0 0 34px rgba(78,168,255,.14);
}
.xl-back{transform:rotateY(180deg);background:linear-gradient(160deg,#0e2246 0%,#07101f 100%);border-color:var(--xl-violet);}
.xl-front{transform:rotateY(0deg);}
.xl-card-title{font-family:var(--xl-pix);font-size:14px;color:#fff;line-height:1.7;margin:0 0 12px;word-break:break-word;}
.xl-card-desc{font-family:var(--xl-body);font-size:13.5px;color:#a9c7f5;line-height:1.75;margin:0;}
.xl-lock{
  display:inline-block;margin-bottom:12px;padding:3px 10px;border-radius:20px;
  font-family:var(--xl-mono);font-size:16px;color:#ffd479;
  background:rgba(255,196,61,.12);border:1px solid rgba(255,196,61,.45);
}
.xl-chip{
  display:inline-block;padding:3px 9px;margin:4px 4px 0 0;border-radius:5px;
  font-family:var(--xl-mono);font-size:16px;color:#bfe6ff;
  background:rgba(95,211,243,.1);border:1px solid rgba(95,211,243,.35);
  transition:transform .2s ease,background .2s ease;
}
.xl-chip:hover{transform:translateY(-3px) scale(1.06);background:rgba(95,211,243,.24);}

/* ============ 整幅横幅（长方形，铺满横跨） ============ */
.xl-wide{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  max-width:1000px;margin:22px auto 0;padding:22px 28px;border-radius:16px;
  background:linear-gradient(115deg,#15295b 0%,#0a1428 62%,#121a38 100%);
  border:2px dashed #2f60c4;
  box-shadow:0 12px 28px rgba(0,0,0,.5);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.xl-wide:hover{
  transform:translateY(-6px);border-style:solid;border-color:var(--xl-cyan);
  box-shadow:0 18px 34px rgba(0,0,0,.55),0 0 26px rgba(95,211,243,.3);
}
.xl-wide-main{flex:1 1 320px;min-width:0;}
.xl-wide-title{font-family:var(--xl-pix);font-size:13px;color:#fff;margin:0 0 10px;line-height:1.7;}
.xl-wide-desc{font-size:14px;color:#a9c7f5;margin:0;line-height:1.8;}
.xl-wide-chips{flex:1 1 280px;display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;}
.xl-wide-chips .xl-chip{margin:0;}

/* ============ 通用卡片 ============ */
.xl-grid{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;margin:14px 0;}
.xl-mini{
  flex:1 1 250px;max-width:300px;text-align:left;padding:18px;border-radius:14px;
  background:linear-gradient(160deg,#132449 0%,#0a1428 100%);
  border:2px solid #24467f;box-shadow:0 10px 24px rgba(0,0,0,.45);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.xl-mini:hover{
  transform:translateY(-8px) rotateX(6deg);border-color:var(--xl-cyan);
  box-shadow:0 18px 34px rgba(0,0,0,.55),0 0 26px rgba(95,211,243,.32);
}
.xl-mini h3{font-size:13px;margin:0 0 10px;}
.xl-mini p{font-size:14px;color:#a9c7f5;margin:0;line-height:1.75;}

/* ============ 生成的仓库卡片 ============ */
.xl-repos{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;margin:18px 0;perspective:1300px;}
.xl-repo{
  flex:1 1 300px;max-width:360px;padding:16px 18px;border-radius:14px;text-align:left;
  background:linear-gradient(160deg,#132449 0%,#0a1428 100%);
  border:2px solid #24467f;box-shadow:0 10px 24px rgba(0,0,0,.5);
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .3s ease,box-shadow .3s ease;
}
.xl-repo:hover{
  transform:rotateY(12deg) translateY(-6px);border-color:var(--xl-cyan);
  box-shadow:0 18px 32px rgba(0,0,0,.55),0 0 26px rgba(95,211,243,.3);
}
.xl-repo-top{display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.xl-repo-name{font-family:var(--xl-pix);font-size:12px;color:#fff;line-height:1.6;word-break:break-word;}
.xl-repo-desc{font-size:13px;color:#a9c7f5;line-height:1.7;margin:0 0 12px;min-height:22px;}
.xl-repo-stats{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:10px;}
.xl-metric{font-family:var(--xl-mono);font-size:17px;color:#7f9fd4;}
.xl-metric b{color:#fff;font-weight:400;}
.xl-repo-bar{height:8px;border-radius:4px;background:#0b1b3a;overflow:hidden;box-shadow:inset 0 1px 3px rgba(0,0,0,.7);margin-bottom:8px;}
.xl-repo-bar i{display:block;height:100%;width:var(--w);background:linear-gradient(90deg,#3a6ed8,#5fd3f3);border-radius:4px;}
.xl-repo-foot{font-family:var(--xl-mono);font-size:16px;color:#6d8ec2;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.xl-dotsep{opacity:.5;}

/* ============ 语言分布（3D 条） ============ */
.xl-langlist{max-width:780px;margin:18px auto;display:flex;flex-direction:column;gap:10px;}
.xl-langrow{display:grid;grid-template-columns:110px 1fr 62px;align-items:center;gap:12px;}
.xl-langname{font-family:var(--xl-mono);font-size:18px;color:#cfe8ff;text-align:right;}
.xl-langtrack{
  height:16px;border-radius:5px;background:#0b1b3a;position:relative;overflow:hidden;
  box-shadow:inset 0 2px 5px rgba(0,0,0,.75),0 1px 0 rgba(95,211,243,.12);
}
.xl-langtrack i{
  position:absolute;left:0;top:0;bottom:0;width:var(--w);border-radius:5px;
  background:linear-gradient(180deg,#8fe3ff 0%,#3a6ed8 48%,#24467f 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 0 12px rgba(95,211,243,.45);
}
.xl-langpct{font-family:var(--xl-mono);font-size:17px;color:#7f9fd4;}

/* ============ 3D 贡献者柱状图 ============ */
.xl-chart{margin:18px 0 8px;}
.xl-chart-head{display:flex;justify-content:center;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:18px;}
.xl-chart-title{font-family:var(--xl-pix);font-size:12px;color:#fff;}
.xl-chart-sub{font-family:var(--xl-mono);font-size:18px;color:#6d8ec2;}
.xl-chart-scene{
  position:relative;display:flex;align-items:flex-end;justify-content:center;gap:16px;
  height:230px;padding:34px 0 0;perspective:1100px;transform-style:preserve-3d;
  transform:rotateX(-8deg);
}
.xl-chart-floor{
  position:absolute;left:-8%;right:-8%;top:100%;height:320px;pointer-events:none;
  transform-origin:top center;transform:rotateX(-90deg);
  background:
    repeating-linear-gradient(90deg,rgba(95,211,243,.22) 0 1px,transparent 1px 36px),
    repeating-linear-gradient(0deg,rgba(95,211,243,.22) 0 1px,transparent 1px 36px);
}
.xl-bar{
  position:relative;flex:0 0 54px;width:54px;height:var(--h);transform-style:preserve-3d;
  transition:transform .3s ease;
}
.xl-bar:hover{transform:translateY(-10px);}
.xl-bar-front{
  position:absolute;inset:0;border-radius:4px 4px 0 0;
  background:linear-gradient(180deg,#5fd3f3 0%,#3a6ed8 55%,#24467f 100%);
  border:2px solid #0b1b3a;box-shadow:inset 0 0 20px rgba(255,255,255,.14);
}
.xl-bar-cap{
  position:absolute;left:-2px;right:-2px;top:0;height:18px;
  transform-origin:top center;transform:rotateX(-90deg);
  background:#9fe9ff;border:2px solid #0b1b3a;border-radius:4px;
}
.xl-bar-side{
  position:absolute;top:0;right:0;width:18px;height:100%;
  transform-origin:right center;transform:rotateY(-90deg);
  background:#2b4f9e;border:2px solid #0b1b3a;
}
.xl-bar-value{
  position:absolute;top:-26px;left:-14px;right:-14px;text-align:center;
  font-family:var(--xl-mono);font-size:18px;color:#eaf7ff;text-shadow:0 1px 3px rgba(0,0,0,.85);
}
.xl-bar-zero .xl-bar-front{background:linear-gradient(180deg,#2b4577,#16264a);}
.xl-bar-zero .xl-bar-value{display:none;}
.xl-chart-labels{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-top:16px;}
.xl-label{flex:0 0 54px;width:54px;text-align:center;font-family:var(--xl-mono);font-size:14px;color:#8fb3e8;}
.xl-label-ava{width:30px;height:30px;border-radius:8px;border:2px solid #2f60c4;box-shadow:0 4px 10px rgba(0,0,0,.5);}
.xl-label-name{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;}
.xl-label-num{display:block;color:#fff;font-size:16px;}

.xl-empty{font-family:var(--xl-mono);font-size:19px;color:#6d8ec2;text-align:center;}
.xl-dotsep{opacity:.5;}
.xl-center{text-align:center;}
.xl-quote{
  border-left:4px solid var(--xl-cyan);margin:18px auto;max-width:760px;padding:10px 18px;
  background:rgba(95,211,243,.06);border-radius:0 10px 10px 0;
  font-family:var(--xl-body);color:#bcd6fb;
}
.xl-link{color:#8fe6ff;text-decoration:none;border-bottom:1px dashed rgba(143,230,255,.5);}
.xl-link:hover{color:var(--xl-cyan);border-bottom-color:var(--xl-cyan);}
.markdown-body code{background:rgba(95,211,243,.12);color:#8fe6ff;padding:2px 6px;border-radius:4px;font-family:var(--xl-mono);font-size:16px;}

/* ============ 响应式 ============ */
@media (max-width:900px){
  /* 导航收进抽屉 */
  .site-burger{display:block;}
  .site-nav{gap:12px;padding:12px 18px;padding-left:calc(18px + env(safe-area-inset-left));padding-right:calc(18px + env(safe-area-inset-right));}
  .site-links{
    display:none;position:absolute;left:0;right:0;top:100%;z-index:20;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:6px 18px 14px;padding-left:calc(18px + env(safe-area-inset-left));
    padding-right:calc(18px + env(safe-area-inset-right));
    background:rgba(6,11,24,.97);
    border-bottom:1px solid rgba(47,96,196,.45);
    box-shadow:0 16px 30px rgba(0,0,0,.55);
  }
  .site-links.is-open{display:flex;}
  .site-links a{
    padding:13px 4px;font-size:19px;border-bottom:1px solid rgba(47,96,196,.22);
  }
  .site-links a:last-child{border-bottom:none;}
  .site-cta{margin-left:auto;}

  /* 背景光晕收窄，避免把页面撑宽 */
  .bg-glow{width:460px;height:300px;top:-150px;}
  .xl-cpu-glow{width:300px;height:300px;}

  /* 排版收紧 */
  .hero-title{font-size:26px;}
  .xl-head{font-size:16px;padding:11px 20px;margin:22px 0 14px;}
  .xl-sub{font-size:19px;}
  .xl-term-body{font-size:16px;padding:13px 14px;}
  .xl-badge{font-size:17px;padding:5px 11px;}
  .xl-chip{font-size:14px;}
  .xl-cards{gap:20px;}
  .xl-card{flex:1 1 100%;max-width:100%;height:320px;}
  .xl-card-desc{font-size:13px;}
  .xl-wide{padding:20px;gap:16px;}
  .xl-wide-chips{justify-content:flex-start;}
  .xl-quote{margin:16px 12px;}
  .xl-mini{padding:16px;}
  .xl-mini p{font-size:13.5px;}
  .xl-repo{padding:14px 16px;}
  .xl-repo-desc{font-size:12.5px;}
  .xl-metric{font-size:15px;}
  .xl-repo-foot{font-size:14px;}
  .xl-langname{font-size:15px;}
  .xl-langpct{font-size:15px;}
  .xl-chart-title{font-size:11px;}
  .xl-chart-sub{font-size:15px;}
}

@media (max-width:640px){
  main{padding:0 14px 30px;
       padding-left:calc(14px + env(safe-area-inset-left));
       padding-right:calc(14px + env(safe-area-inset-right));}
  .site-foot{font-size:16px;padding:32px 18px 48px;
             padding-bottom:calc(48px + env(safe-area-inset-bottom));}
  .bg-glow{width:400px;height:260px;top:-130px;}
  .xl-cpu-glow{width:250px;height:250px;}

  /* 打字机：37ch 必须能塞进窄屏 */
  .xl-type-text{font-size:15px;letter-spacing:0;}
  .xl-typewrap{height:26px;}
  .xl-tagline{font-size:14px;letter-spacing:0;}
  .hero-bot{width:118px;}
  .hero-title{font-size:22px;}
  .hero-sub{font-size:17px;letter-spacing:1px;}
  .hero-badges .xl-badge{font-size:15px;margin:4px;}
  .hero-btn{font-size:11px;padding:13px 24px;}

  /* 终端 */
  .xl-term-body{font-size:14px;line-height:1.6;padding:12px 12px;}
  .xl-term-bar::after{font-size:13px;right:10px;}

  /* 3D 芯片等比缩小 */
  .xl-chip-stage{--cw:190px;--ct:21px;--wave-max:1.45;padding:44px 0 40px;min-height:300px;}
  .xl-cpu-die img{width:76px;}
  .xl-cpu-mark{width:100px;bottom:12px;}
  .xl-cpu-die{inset:16px 16px 44px;}

  /* 项目卡：触屏没有 hover，改成自动翻转 */
  .xl-card{height:300px;}
  .xl-card-title{font-size:12px;}
  .xl-card-desc{font-size:12.5px;line-height:1.7;}

  /* 语言条 */
  .xl-langrow{grid-template-columns:84px 1fr 50px;gap:8px;}
  .xl-langname{font-size:14px;}
  .xl-langpct{font-size:14px;}

  /* 贡献者柱状图：柱子变窄，名字竖排 */
  .xl-chart-scene{height:165px;gap:5px;padding-top:28px;}
  .xl-bar{flex:0 0 36px;width:36px;}
  .xl-bar-cap{height:14px;}
  .xl-bar-side{width:14px;}
  .xl-bar-value{font-size:14px;top:-22px;left:-10px;right:-10px;}
  .xl-chart-labels{gap:5px;margin-top:10px;}
  .xl-label{flex:0 0 36px;width:36px;height:134px;position:relative;padding:0;font-size:13px;}
  .xl-label-num{position:absolute;top:0;left:-5px;right:-5px;font-size:14px;}
  .xl-label-ava{position:absolute;top:20px;left:50%;transform:translateX(-50%);width:26px;height:26px;}
  .xl-label-name{
    position:absolute;top:52px;left:50%;width:80px;
    transform:translateX(-50%) rotate(-90deg);transform-origin:center top;
    white-space:nowrap;font-size:11px;text-align:left;
  }
  .xl-chart-floor{height:220px;}
}

/* 触屏没有 hover：项目卡改为自动翻转 */
@media (hover:none) and (pointer:coarse){
  .xl-card-inner{animation:xl-card-flip 9s ease-in-out infinite;}
  .xl-card:nth-child(2) .xl-card-inner{animation-delay:1.4s;}
  @keyframes xl-card-flip{
    0%,36%{transform:rotateY(0deg);}
    52%,86%{transform:rotateY(180deg);}
    100%{transform:rotateY(360deg);}
  }
  .xl-bar:hover{transform:none;}
  .xl-repo:hover{transform:none;}
  .xl-mini:hover{transform:none;}
}

/* 超窄屏 */
@media (max-width:380px){
  .xl-type-text{font-size:12px;}
  .xl-tagline{font-size:12.5px;}
  .hero-title{font-size:19px;}
  .xl-chart-scene{gap:3px;}
  .xl-bar{flex:0 0 32px;width:32px;}
  .xl-label{flex:0 0 32px;width:32px;}
  .xl-label-name{font-size:10px;}
  .xl-term-body{font-size:13px;}
}

/* 横向滚动条（图表在窄屏上可能触发） */
@media (max-width:900px){
  .xl-chart{overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;padding-bottom:4px;}
  .xl-chart-scene,.xl-chart-labels{min-width:520px;}
}

@media (prefers-reduced-motion: reduce){
  .xl-float,.xl-blink,.xl-type,.xl-badge,.xl-chip,.xl-repo,.xl-cpu-tilt,.xl-cpu-glow,.xl-cpu-top::after,.xl-cpu-face,.xl-cpu-wave,.xl-spark,.xl-cpu-die::before,.xl-cpu-die::after,.xl-cpu-die img{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}