/* =========================================================
   出奇科技 · CHUQI TECHNOLOGY
   main.css — 暗色科技感 · 动效 · 响应式
   ========================================================= */

@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Space Grotesk";src:url("../fonts/space-grotesk-700.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}

:root{
  --bg:#1c1540;
  --bg-2:#261d52;
  --panel:rgba(255,255,255,.03);
  --panel-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --ink:#f2f5ff;
  --ink-2:#a9b2c7;
  --ink-3:#6b7488;
  --cyan:#4be1ff;
  --violet:#8b6bff;
  --pink:#ff6ad5;
  --grad:linear-gradient(100deg,#4be1ff 0%,#7f7bff 48%,#ff6ad5 100%);
  --grad-soft:linear-gradient(100deg,rgba(75,225,255,.9),rgba(139,107,255,.9));
  --ease:cubic-bezier(.22,.8,.24,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --wrap:1280px;
  --radius:20px;
  --pad-x:40px;
  --gap-sec:clamp(80px,10vh,130px);
  --gap-title:clamp(40px,5vh,64px);
  --gap-grid:clamp(16px,1.4vw,20px);
  --font-disp:"Space Grotesk","PingFang SC","HarmonyOS Sans SC","MiSans","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Mono",Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
body{
  background:radial-gradient(1400px 800px at 50% -12%,rgba(154,117,255,.12),transparent 62%),var(--bg);
  color:var(--ink);
  font-family:var(--font-disp);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none;touch-action:manipulation}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;touch-action:manipulation}
ul{list-style:none}
em,i{font-style:normal}
b,strong{font-weight:600}
::selection{background:rgba(75,225,255,.28);color:#fff}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#1c1540}
::-webkit-scrollbar-thumb{background:#3a2f6b;border-radius:9px;border:2px solid #1c1540}
::-webkit-scrollbar-thumb:hover{background:#4a3b7d}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 40px}
.section{position:relative;padding:var(--gap-sec) 0}
section[id],main[id]{scroll-margin-top:92px}

/* ---------- 全局装饰 ---------- */
.grain{
  position:fixed;inset:0;z-index:9;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
.scroll-bar{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:999;
  background:var(--grad);transform:scaleX(0);transform-origin:0 50%;
  will-change:transform;
}

/* ---------- 跳转链接 ---------- */
.skip-link{position:fixed;top:-60px;left:24px;z-index:10000;padding:10px 18px;border-radius:8px;background:#241b4a;color:#fff;transition:top .3s}
.skip-link:focus{top:16px}

/* ---------- 预加载 ---------- */

/* ---------- 导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:1001;transition:transform .5s var(--ease),background .4s,border-color .4s,backdrop-filter .4s;border-bottom:1px solid transparent}
.nav.is-scrolled{background:rgba(30,23,66,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom-color:rgba(255,255,255,.06)}
.nav.is-hidden{transform:translateY(-110%)}
.nav__inner{max-width:var(--wrap);margin:0 auto;padding:0 40px;height:68px;display:flex;align-items:center;gap:36px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__img{height:24px;width:auto;display:block}
.brand__icon{width:30px;height:30px;flex:none;display:block;filter:drop-shadow(0 6px 18px rgba(75,225,255,.35))}
.brand__icon svg{width:100%;height:100%;display:block}
.nav__links{display:flex;gap:38px;margin-left:auto}
.nav__links a{position:relative;font-size:14.5px;color:var(--ink-2);letter-spacing:.12em;padding:6px 0;transition:color .3s}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--grad);transform:scaleX(0);transform-origin:100% 50%;transition:transform .45s var(--ease)}
.nav__links a:hover{color:var(--ink)}
.nav__links a:hover::after{transform:scaleX(1);transform-origin:0 50%}
.lang{position:relative;flex:none}
.lang__btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--line-2);border-radius:99px;font-size:13px;letter-spacing:.04em;color:var(--ink-2);background:rgba(255,255,255,.02);transition:color .3s,border-color .3s}
.lang__btn:hover{color:var(--ink);border-color:rgba(75,225,255,.5)}
.lang__btn svg{width:15px;height:15px;flex:none}
.lang__menu{position:absolute;top:calc(100% + 10px);right:0;min-width:150px;padding:6px;border:1px solid var(--line-2);border-radius:14px;background:rgba(30,23,66,.96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 24px 60px -30px rgba(0,0,0,.9);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .25s,transform .25s,visibility 0s .25s;z-index:1001}
.lang.is-open .lang__menu{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .25s}
.lang__menu button{display:block;width:100%;text-align:left;padding:9px 12px;border-radius:9px;font-size:13px;color:var(--ink-2);transition:background .25s,color .25s;white-space:nowrap}
.lang__menu button:hover{background:rgba(75,225,255,.08);color:var(--ink)}
.lang__menu button[aria-selected="true"]{color:var(--cyan)}
.nav__burger{display:none;width:44px;height:44px;margin-left:auto;position:relative;z-index:1002}
.nav__burger i{position:absolute;left:11px;right:11px;height:1.6px;background:var(--ink);transition:transform .4s var(--ease),top .4s var(--ease),opacity .3s}
.nav__burger i:nth-child(1){top:19px}
.nav__burger i:nth-child(2){top:25px}
.nav__burger[aria-expanded="true"] i:nth-child(1){top:22px;transform:rotate(45deg)}
.nav__burger[aria-expanded="true"] i:nth-child(2){top:22px;transform:rotate(-45deg)}

/* ---------- 移动菜单 ---------- */
.menu{position:fixed;inset:0;z-index:1000;display:flex;flex-direction:column;justify-content:center;padding:0 40px;visibility:hidden;transition:visibility 0s .7s}
.menu__bg{position:absolute;inset:0;background:rgba(30,23,66,.94);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);clip-path:circle(0% at calc(100% - 42px) 38px);transition:clip-path .75s var(--ease)}
.menu.is-open{visibility:visible;transition:visibility 0s}
.menu.is-open .menu__bg{clip-path:circle(150% at calc(100% - 42px) 38px)}
.menu__links{position:relative;display:flex;flex-direction:column;gap:6px}
.menu__links a{font-size:clamp(22px,4.6vw,30px);font-weight:600;letter-spacing:.06em;padding:10px 0;opacity:0;transform:translateY(30px);transition:opacity .5s var(--ease),transform .5s var(--ease),color .3s;display:flex;align-items:baseline;gap:18px;border-bottom:1px solid rgba(255,255,255,.06)}
.menu__links a em{font-family:var(--font-mono);font-size:12px;color:var(--cyan);letter-spacing:.2em}
.menu__links a:hover{color:var(--cyan)}
.menu.is-open .menu__links a{opacity:1;transform:none}
.menu.is-open .menu__links a:nth-child(1){transition-delay:.12s}
.menu.is-open .menu__links a:nth-child(2){transition-delay:.18s}
.menu.is-open .menu__links a:nth-child(3){transition-delay:.24s}
.menu.is-open .menu__links a:nth-child(4){transition-delay:.3s}
.menu.is-open .menu__links a:nth-child(5){transition-delay:.36s}
.menu__foot{position:relative;margin-top:44px;display:flex;justify-content:space-between;font-size:13px;color:var(--ink-3);letter-spacing:.08em;opacity:0;transition:opacity .5s .44s}
.menu.is-open .menu__foot{opacity:1}
.menu__foot a{color:var(--ink-2)}
.menu__foot a:hover{color:var(--cyan)}

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden;padding:120px 0 84px}
.hero__canvas{position:absolute;inset:0;z-index:1;width:100%;height:100%;pointer-events:none;opacity:0;transition:opacity 1.6s ease 1s}
body.loaded .hero__canvas{opacity:1}
.hero__aurora{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.hero__aurora i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.hero__aurora .a1{width:52vw;height:52vw;top:-18vw;right:-12vw;background:radial-gradient(circle at 40% 40%,rgba(75,225,255,.32),transparent 62%);animation:aurora1 22s ease-in-out infinite alternate}
.hero__aurora .a2{width:46vw;height:46vw;bottom:-20vw;left:-14vw;background:radial-gradient(circle at 60% 40%,rgba(139,107,255,.34),transparent 62%);animation:aurora2 26s ease-in-out infinite alternate}
.hero__aurora .a3{width:30vw;height:30vw;top:34%;left:52%;background:radial-gradient(circle at 50% 50%,rgba(255,106,213,.16),transparent 62%);animation:aurora3 19s ease-in-out infinite alternate}
.hero__grid{
  position:absolute;left:-10%;right:-10%;bottom:-6%;height:56%;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(96,130,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(96,130,255,.12) 1px,transparent 1px);
  background-size:64px 64px;
  transform:perspective(520px) rotateX(58deg);
  transform-origin:50% 100%;
  -webkit-mask-image:linear-gradient(to top,rgba(0,0,0,.85),transparent 78%);
  mask-image:linear-gradient(to top,rgba(0,0,0,.85),transparent 78%);
  animation:gridMove 14s linear infinite;
}
.hero__watermark{
  position:absolute;top:50%;right:-2%;z-index:0;transform:translateY(-50%);
  font-size:clamp(280px,40vw,620px);font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.055);
  pointer-events:none;user-select:none;
  animation:watermark 9s ease-in-out infinite;
}
.hero__editor{position:relative;width:100%;min-width:0;pointer-events:none;user-select:none;border-radius:16px;border:1px solid var(--line-2);background:rgba(30,23,66,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 40px 120px -40px rgba(75,225,255,.32);overflow:hidden}
.hero__editor::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(420px 220px at 78% 0%,rgba(75,225,255,.1),transparent 70%)}
.editor__bar{position:relative;display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.editor__bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.14)}
.editor__bar i:first-child{background:rgba(255,106,213,.6)}
.editor__bar i:nth-child(2){background:rgba(255,196,0,.5)}
.editor__bar i:nth-child(3){background:rgba(75,225,255,.6)}
.editor__file{margin-left:10px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3)}
.editor__body{position:relative;display:flex;gap:14px;padding:16px 18px;height:302px;overflow:hidden}
.editor__gutter{display:flex;flex-direction:column;flex:none;width:16px;text-align:right;font-family:var(--font-mono);font-size:11px;line-height:1.72;color:rgba(255,255,255,.16)}
.editor__code{flex:1;min-width:0;margin:0;font-family:var(--font-mono);font-size:12.5px;line-height:1.72;color:var(--ink-2);white-space:pre-wrap;word-break:break-word}
.editor__caret{display:inline-block;width:2px;height:1.05em;background:var(--cyan);vertical-align:-.16em;margin-left:2px;animation:editorBlink 1s steps(1) infinite}
.hero__editor .c-key{color:#9d86ff}
.hero__editor .c-fn{color:#4be1ff}
.hero__editor .c-var{color:#e8ecff}
.hero__editor .c-str{color:#2ee6a8}
.hero__editor .c-num{color:#ffc400}
.hero__editor .c-prop{color:#7fd4ff}
.hero__editor .c-com{color:#5b6376}
.editor__status{position:relative;display:flex;align-items:center;gap:20px;padding:9px 16px;border-top:1px solid var(--line);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-3)}
.editor__live{margin-left:auto;display:inline-flex;align-items:center;gap:7px}
.editor__live i{width:6px;height:6px;border-radius:50%;background:#2ee6a8;animation:editorBlink 2.4s ease-in-out infinite}
.hero__inner{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin:0 auto;padding:0 40px;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);gap:clamp(36px,4vw,72px);align-items:center}
.hero__copy{min-width:0}
.hero__eyebrow{display:inline-flex;align-items:center;gap:12px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.22em;color:var(--ink-2);border:1px solid var(--line);border-radius:99px;padding:9px 20px;background:rgba(255,255,255,.02);margin-bottom:36px}
.hero__eyebrow .pulse{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 rgba(75,225,255,.7);animation:pulse 2.2s infinite}
.hero__title{font-size:clamp(26px,3.1vw,44px);line-height:1.08;font-weight:700;letter-spacing:.06em;margin-bottom:24px}
.hero__title .line{display:block;overflow:hidden;padding:.06em 0}
.hero__title .line__in{display:inline-block;will-change:transform}
.hero__title .ai{
  background:var(--grad);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradFlow 6s linear infinite;
  position:relative;padding-right:.06em;
}
.hero__title .grad{
  background:linear-gradient(100deg,#ffffff 0%,#c9d4ff 40%,#8b9dff 70%,#ffffff 100%);
  background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradFlow 9s linear infinite;
}
.hero__sub{max-width:600px;font-size:clamp(12.5px,1vw,13.5px);color:var(--ink-2);margin-bottom:38px;font-weight:400}
.hero__actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:70px}
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:54px;padding:0 32px;border-radius:99px;font-size:15px;letter-spacing:.06em;overflow:hidden;transition:transform .4s var(--ease),box-shadow .4s,border-color .4s,color .4s;will-change:transform}
.btn svg{width:16px;height:16px;position:relative;z-index:1;transition:transform .4s var(--ease)}
.btn span{position:relative;z-index:1}
.btn--primary{color:#120c2e;font-weight:600}
.btn--primary::before{content:"";position:absolute;inset:0;background:var(--grad);background-size:180% 100%;transition:background-position .6s var(--ease)}
.btn--primary::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.btn--primary:hover{box-shadow:0 14px 44px -12px rgba(75,225,255,.55)}
.btn--primary:hover::after{transform:translateX(120%)}
.btn--primary:hover svg{transform:translateX(4px)}
.btn--ghost{border:1px solid var(--line-2);color:var(--ink)}
.btn--ghost:hover{border-color:rgba(75,225,255,.6);color:var(--cyan);box-shadow:0 0 34px -10px rgba(75,225,255,.5)}
.btn--lg{height:62px;padding:0 40px;font-size:16px}
.hero__scroll{position:absolute;left:50%;bottom:26px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;font-family:var(--font-mono);font-size:10px;letter-spacing:.4em;color:var(--ink-3);opacity:0;transform:translateX(-50%) translateY(18px);transition:color .3s,opacity 1s var(--ease) .9s,transform 1s var(--ease) .9s}
body.loaded .hero__scroll{opacity:1;transform:translateX(-50%)}
.hero__scroll i{width:1px;height:46px;background:linear-gradient(to bottom,var(--cyan),transparent);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;left:0;top:-50%;width:100%;height:50%;background:#fff;animation:scrollDrop 2s var(--ease) infinite}
.hero__scroll:hover{color:var(--cyan)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:clamp(200px,32vh,360px);z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(30,23,66,0),rgba(30,23,66,.62) 58%,#1c1540 96%)}

/* ---------- 入场动画 ---------- */
.anim{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1.1s var(--ease-out);transition-delay:var(--anim-delay,0s)}
[data-anim="1"]{--anim-delay:.05s}[data-anim="2"]{--anim-delay:.15s}[data-anim="3"]{--anim-delay:.26s}
[data-anim="4"]{--anim-delay:.4s}[data-anim="5"]{--anim-delay:.52s}[data-anim="6"]{--anim-delay:.64s}[data-anim="7"]{--anim-delay:.8s}
body.loaded .anim{opacity:1;transform:none}
.hero__title .line__in.anim{transform:translateY(118%) rotate(1.5deg);filter:none;opacity:1;transition:transform 1.25s var(--ease-out);transition-delay:var(--anim-delay,0s)}
body.loaded .hero__title .line__in.anim{transform:none}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(38px);transition:opacity 1s var(--ease),transform 1.1s var(--ease-out);transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

/* ---------- 关键词滚动带 ---------- */

/* ---------- 通用节标题 ---------- */
.sec-title{font-size:clamp(20px,2.4vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;margin-bottom:var(--gap-title);max-width:760px}
.sec-title em{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}


/* ---------- 02 能力 ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap-grid)}
.bento__card{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;min-height:218px;display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(255,255,255,.045),rgba(255,255,255,.012) 55%);
  transition:transform .55s var(--ease),border-color .45s,background .45s;
  transform-style:preserve-3d;
}
.bento__card::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .45s;
  background:radial-gradient(360px circle at var(--mx,50%) var(--my,50%),rgba(75,225,255,.14),transparent 62%);
}
.bento__card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;opacity:0;transition:opacity .45s;
  background:linear-gradient(90deg,transparent,rgba(75,225,255,.7),transparent);
}
.bento__card:hover{transform:translateY(-5px);border-color:rgba(75,225,255,.28);background:linear-gradient(165deg,rgba(255,255,255,.06),rgba(255,255,255,.015) 60%)}
.bento__card:hover::before,.bento__card:hover::after{opacity:1}
.bento__card--feature{grid-column:span 2;grid-row:span 2;min-height:100%}
.bento__card--wide{grid-column:span 2}
.bento__card:last-child{grid-column:span 2}
.bento__icon{width:46px;height:46px;border-radius:13px;border:1px solid var(--line-2);display:grid;place-items:center;color:var(--cyan);margin-bottom:22px;background:rgba(75,225,255,.05);transition:transform .5s var(--ease),box-shadow .5s,background .5s}
.bento__icon svg{width:22px;height:22px}
.bento__card:hover .bento__icon{transform:translateY(-3px) rotate(-6deg);background:rgba(75,225,255,.12);box-shadow:0 10px 30px -10px rgba(75,225,255,.5)}
.bento__card h4{font-size:16px;font-weight:600;margin-bottom:10px;letter-spacing:.02em}
.bento__card p{font-size:13.5px;color:var(--ink-2);max-width:46ch}
.neural{margin-top:auto;padding-top:18px;opacity:.9}
.neural svg{width:100%;height:auto;max-height:190px}
.neural__lines path{stroke-dasharray:5 9;animation:dashMove 2.8s linear infinite}
.neural__lines path:nth-child(2n){animation-delay:-.9s}
.neural__nodes circle{animation:nodePulse 2.6s ease-in-out infinite}
.neural__nodes circle:nth-child(2){animation-delay:.4s}
.neural__nodes circle:nth-child(3){animation-delay:.8s}
.neural__nodes circle:nth-child(4){animation-delay:1.2s}
.neural__nodes circle:nth-child(5){animation-delay:1.6s}
.neural__nodes circle:nth-child(6){animation-delay:2s}

/* ---------- 数字 ---------- */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(75,225,255,.022),transparent)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats__item{padding:clamp(40px,4vw,56px) clamp(20px,2.4vw,32px);text-align:center;border-left:1px solid var(--line);display:flex;flex-direction:column;align-items:center;gap:6px}
.stats__item:first-child{border-left:0}
.stats__item b{font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1;letter-spacing:-.02em;background:linear-gradient(180deg,#fff,#8fa0cc);-webkit-background-clip:text;background-clip:text;color:transparent}
.stats__item b i{font-size:.55em;color:var(--cyan);-webkit-text-fill-color:var(--cyan)}
.stats__item>span{font-size:12.5px;letter-spacing:.22em;color:var(--ink-3)}

/* ---------- 03 项目 ---------- */
.products .sec-title{margin-bottom:var(--gap-title)}
.product{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,4vw,56px);align-items:center}
.product+.product{margin-top:clamp(64px,8vh,104px);padding-top:clamp(64px,8vh,104px);border-top:1px solid var(--line)}
.product--flip .product__info{grid-column:2;grid-row:1;margin-left:auto;margin-right:0}
.product--flip .product__viz{grid-column:1;grid-row:1}
.product__info{max-width:520px;width:100%}
.product__info h4{font-size:clamp(16px,1.25vw,18px);font-weight:700;letter-spacing:.01em;margin-bottom:6px}
.product__info h4 em{display:block;font-family:var(--font-mono);font-size:9.5px;font-weight:400;letter-spacing:.3em;color:var(--ink-3);margin-top:8px}
.product__info>p{color:var(--ink-2);margin:16px 0 28px;max-width:52ch;font-size:14px}
.product__points{display:flex;flex-direction:column;gap:12px;margin-bottom:32px}
.product__points li{position:relative;padding-left:26px;font-size:13px;color:var(--ink-2)}
.product__points li::before{content:"";position:absolute;left:0;top:.62em;width:14px;height:1px;background:var(--grad)}
.link-arrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;color:var(--ink);padding:10px 18px;border:1px solid var(--line-2);border-radius:99px;background:rgba(255,255,255,.02);transition:color .35s,border-color .35s,background .35s,box-shadow .35s}
.link-arrow svg{width:14px;height:14px;transition:transform .4s var(--ease)}
.link-arrow:hover{color:var(--cyan);border-color:rgba(75,225,255,.55);background:rgba(75,225,255,.06);box-shadow:0 0 28px -10px rgba(75,225,255,.5)}
.link-arrow:hover svg{transform:translateX(4px)}

.product__viz{perspective:1200px}
.product .viz{margin-left:auto;margin-right:0}
.product--flip .viz{margin-left:0;margin-right:auto}
.viz{
  position:relative;max-width:500px;width:100%;height:350px;border-radius:22px;border:1px solid var(--line);
  background:
    radial-gradient(120% 90% at 80% 0%,rgba(139,107,255,.12),transparent 55%),
    radial-gradient(100% 90% at 10% 100%,rgba(75,225,255,.1),transparent 55%),
    linear-gradient(165deg,#241c4c,#160f36);
  overflow:hidden;
  transition:transform .6s var(--ease),border-color .5s,box-shadow .6s;
  transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));
  box-shadow:0 40px 80px -50px rgba(0,0,0,.9);
}
.viz::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(180deg,rgba(255,255,255,.05),transparent 30%);pointer-events:none}
.viz:hover{border-color:rgba(75,225,255,.3);box-shadow:0 50px 100px -50px rgba(75,225,255,.25)}

.viz-defs{position:absolute;width:0;height:0;overflow:hidden}
.viz__bar{position:relative;display:flex;align-items:center;gap:6px;padding:11px 15px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.viz__bar i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.14)}
.viz__bar i:first-child{background:rgba(255,106,213,.6)}
.viz__bar i:nth-child(2){background:rgba(255,196,0,.5)}
.viz__bar i:nth-child(3){background:rgba(75,225,255,.6)}
.viz__bar span{margin-left:8px;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;color:var(--ink-3)}
.viz__body{position:relative;display:flex;flex-direction:column;gap:10px;padding:14px 15px;height:calc(100% - 41px)}

.kyt__date{display:flex;align-items:baseline;gap:10px}
.kyt__date b{font-size:21px;font-weight:700;letter-spacing:.06em}
.kyt__date span{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;color:var(--ink-3)}
.kyt__rows{display:flex;flex-direction:column;gap:8px}
.kyt__row{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.kyt__row i{flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;font-style:normal;font-size:13px;font-weight:700}
.kyt__row--yi i{color:#2ee6a8;background:rgba(46,230,168,.12)}
.kyt__row--ji i{color:#ff6a9d;background:rgba(255,106,157,.12)}
.kyt__row p{font-size:12.5px;color:var(--ink-2);letter-spacing:.04em}
.kyt__gua{display:flex;align-items:center;gap:12px;margin-top:auto;padding:10px 12px;border-radius:12px;border:1px solid rgba(75,225,255,.28);background:rgba(75,225,255,.05)}
.kyt__gua svg{width:28px;height:28px;flex:none}
.kyt__gua b{display:block;font-size:13px}
.kyt__gua span{font-size:10.5px;color:var(--ink-3);letter-spacing:.05em}

.trip__day{display:flex;gap:12px}
.trip__day i{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-style:normal;font-family:var(--font-mono);font-size:11px;color:var(--cyan);border:1px solid rgba(75,225,255,.35);background:rgba(75,225,255,.06)}
.trip__day b{display:block;font-size:13px;margin-bottom:2px}
.trip__day span{font-size:11px;color:var(--ink-3)}
.trip__meta{display:flex;gap:8px;margin-top:auto}
.trip__meta span{flex:1;text-align:center;padding:8px 0;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;color:var(--ink-2)}
.trip__meta span:last-child{border-color:rgba(75,225,255,.4);color:var(--cyan);box-shadow:0 0 22px -8px rgba(75,225,255,.5)}

.study__chart{flex:1;min-height:0;width:100%;overflow:visible}
.study__axis{stroke:rgba(255,255,255,.2);stroke-width:1.5}
.study__curve{stroke:url(#vizGrad);stroke-width:2.6;stroke-linecap:round;stroke-dasharray:520;stroke-dashoffset:520}
.product__viz.in .study__curve{animation:draw 1.8s var(--ease) .3s forwards}
.study__point{animation:studyDot 2.4s ease-in-out infinite}
.study__label{font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;fill:var(--ink-3)}
.study__chips{display:flex;gap:8px}
.study__chips span{flex:1;text-align:center;padding:7px 0;border-radius:9px;border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:10.5px;color:var(--ink-2);letter-spacing:.03em}

.hr__chart{position:relative;flex:1}
.viz__node{position:absolute;padding:7px 15px;border-radius:99px;border:1px solid var(--line-2);background:rgba(28,21,62,.9);font-size:11.5px;letter-spacing:.1em;color:var(--ink-2);white-space:nowrap}
.viz__node--top{left:50%;top:4%;transform:translateX(-50%);border-color:rgba(75,225,255,.5);color:var(--ink);box-shadow:0 0 30px -10px rgba(75,225,255,.6)}
.viz__branch{position:absolute;left:26%;right:26%;top:26%;height:16%}
.viz__branch::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--line-2)}
.viz__branch::after{content:"";position:absolute;left:50%;bottom:100%;width:1px;height:70%;background:var(--line-2)}
.viz__branch i{position:absolute;top:0;bottom:0;width:1px;background:var(--line-2)}
.viz__branch i:nth-child(1){left:0}.viz__branch i:nth-child(2){left:50%}.viz__branch i:nth-child(3){left:100%}
.viz__node--l{left:26%;top:44%;transform:translateX(-50%)}
.viz__node--c{left:50%;top:44%;transform:translateX(-50%)}
.viz__node--r{left:74%;top:44%;transform:translateX(-50%)}
.viz__card{position:absolute;left:0;bottom:4%;display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:11px;border:1px solid var(--line-2);background:rgba(28,21,62,.9);font-size:11px;color:var(--ink-2);white-space:nowrap;animation:floatY 6s ease-in-out infinite}
.viz__card--2{left:auto;right:0;bottom:16%;animation-delay:-3.2s}
.viz__card .ok{color:#2ee6a8;font-weight:700}

/* ---------- 04 开源 ---------- */
.opensource{background:radial-gradient(900px 500px at 88% 20%,rgba(75,225,255,.06),transparent 60%)}
.os__layout{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center;margin-bottom:var(--gap-sec)}
.os__intro .sec-title{margin-bottom:26px}
.os__intro>p{color:var(--ink-2);max-width:50ch;font-size:14px}
.terminal{border:1px solid var(--line-2);border-radius:18px;background:rgba(30,23,64,.9);box-shadow:0 40px 90px -50px rgba(0,0,0,.9);overflow:hidden;transition:border-color .5s,box-shadow .5s}
.terminal:hover{border-color:rgba(75,225,255,.35);box-shadow:0 40px 90px -50px rgba(75,225,255,.35)}
.terminal__bar{display:flex;align-items:center;gap:8px;height:46px;padding:0 20px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.025)}
.terminal__bar i{width:10px;height:10px;border-radius:50%}
.terminal__bar i:nth-child(1){background:#ff5f57}.terminal__bar i:nth-child(2){background:#febc2e}.terminal__bar i:nth-child(3){background:#28c840}
.terminal__bar span{margin-left:12px;font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--ink-3)}
.terminal__body{position:relative;margin:0;padding:26px 28px 30px;font-family:var(--font-mono);font-size:13.5px;line-height:2.05;color:var(--ink-2);min-height:238px;white-space:pre-wrap;word-break:break-all}
.terminal__caret{display:inline-block;width:8px;height:16px;vertical-align:-2px;background:var(--cyan);animation:blink 1s steps(1) infinite}
.os__cards{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap-grid)}
.os-card{
  position:relative;overflow:hidden;display:flex;flex-direction:row;align-items:stretch;gap:28px;
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;min-height:236px;
  background:linear-gradient(165deg,rgba(255,255,255,.045),rgba(255,255,255,.012) 60%);
  transition:transform .55s var(--ease),border-color .45s;
}
.os-card::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .45s;background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(75,225,255,.13),transparent 62%)}
.os-card::after{content:"";position:absolute;top:0;left:30px;right:30px;height:1px;pointer-events:none;background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent)}
.os-card:hover{transform:translateY(-5px);border-color:rgba(75,225,255,.3)}
.os-card:hover::before{opacity:1}
.os-card h4{font-size:16.5px;font-weight:600}
.os-card p{font-size:13.5px;color:var(--ink-2);line-height:1.8}
.os-card__main{flex:1;min-width:0;display:flex;flex-direction:column;gap:14px;position:relative;z-index:1}
.os-card__head{display:flex;align-items:center;gap:14px}
.os-card__icon{width:40px;height:40px;flex:none;border-radius:12px;border:1px solid var(--line-2);color:var(--cyan);background:rgba(75,225,255,.06);display:grid;place-items:center;transition:transform .5s var(--ease),background .5s,box-shadow .5s}
.os-card__icon svg{width:20px;height:20px}
.os-card:hover .os-card__icon{transform:translateY(-2px);background:rgba(75,225,255,.12);box-shadow:0 10px 26px -12px rgba(75,225,255,.55)}
.os-card__tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto}
.os-card__tags li{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-2);border:1px solid var(--line-2);border-radius:7px;padding:3px 9px;background:rgba(30,23,64,.6);transition:color .3s,border-color .3s}
.os-card__tags li:hover{color:var(--ink);border-color:rgba(75,225,255,.4)}
.os-card__side{position:relative;z-index:1;flex:none;width:176px;display:flex;flex-direction:column;justify-content:center;gap:12px;border-left:1px solid var(--line);padding-left:26px}
.os-card__foot{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;letter-spacing:.06em;color:var(--cyan);transition:color .35s}
.os-card__foot svg{width:15px;height:15px;transition:transform .4s var(--ease)}
.os-card__foot:hover{color:var(--ink)}
.os-card__foot:hover svg{transform:translateX(4px)}
.os-card__repo{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;color:var(--ink-2);border:1px solid var(--line-2);border-radius:9px;padding:8px 13px;background:rgba(30,23,64,.6);transition:color .3s,border-color .3s,background .3s,transform .35s var(--ease)}
.os-card__repo svg{width:16px;height:16px;flex:none}
.os-card__repo:hover{color:var(--ink);border-color:rgba(75,225,255,.45);background:rgba(75,225,255,.07);transform:translateX(3px)}

/* ---------- 05 联系 ---------- */
.contact{text-align:center;padding-bottom:var(--gap-sec);overflow:hidden}
.contact__inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center}
.contact__title{font-size:clamp(21px,2.3vw,30px);line-height:1.2;font-weight:700;letter-spacing:-.01em;margin-bottom:20px}
.contact__title em{background:var(--grad);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradFlow 7s linear infinite}
.contact__sub{color:var(--ink-2);max-width:560px;margin-bottom:46px;font-size:14px}
.contact__actions{margin-bottom:44px}
.contact__links{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 38px;font-size:13px;color:var(--ink-3);letter-spacing:.1em}
.contact__links a{position:relative;transition:color .3s}
.contact__links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:1px;background:var(--grad);transform:scaleX(0);transition:transform .4s var(--ease)}
.contact__links a:hover{color:var(--ink)}
.contact__links a:hover::after{transform:scaleX(1)}
.contact__glow{position:absolute;left:50%;bottom:-320px;transform:translateX(-50%);width:900px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(75,225,255,.16),rgba(139,107,255,.1) 42%,transparent 68%);filter:blur(70px);pointer-events:none}

/* ---------- 页脚 ---------- */
.footer{position:relative;border-top:1px solid var(--line);overflow:hidden}
.footer__inner{position:relative;display:flex;align-items:center;gap:44px;flex-wrap:wrap;padding-top:44px;padding-bottom:30px}
.footer__brand{display:flex;align-items:center;gap:14px}
.footer__logo{height:22px;width:auto;display:block;margin-bottom:4px}
.footer__brand span{font-size:12px;letter-spacing:.2em;color:var(--ink-3)}
.footer__nav{display:flex;gap:30px;margin-left:auto;font-size:13px;color:var(--ink-2)}
.footer__nav a{transition:color .3s}
.footer__nav a:hover{color:var(--cyan)}
.footer__copy{width:100%;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px 30px;font-size:12px;color:var(--ink-3);letter-spacing:.08em}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:30px;bottom:30px;z-index:90;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2);border:1px solid var(--line-2);background:rgba(30,23,66,.82);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .4s var(--ease),transform .4s var(--ease),visibility 0s .4s,border-color .35s,color .35s,box-shadow .35s}
.to-top.is-show{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.to-top:hover{color:var(--cyan);border-color:rgba(75,225,255,.55);box-shadow:0 14px 40px -14px rgba(75,225,255,.6)}
.to-top svg{width:20px;height:20px;position:relative;z-index:1;transition:transform .4s var(--ease)}
.to-top:hover svg{transform:translateY(-3px)}
.to-top::before{content:"";position:absolute;inset:-1px;border-radius:50%;padding:1.5px;background:var(--grad);opacity:0;transition:opacity .35s;pointer-events:none;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude}
.to-top:hover::before{opacity:.85}

/* ---------- 动画关键帧 ---------- */
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(75,225,255,.65)}70%{box-shadow:0 0 0 9px rgba(75,225,255,0)}100%{box-shadow:0 0 0 0 rgba(75,225,255,0)}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes gradFlow{0%{background-position:0% 50%}100%{background-position:200% 50%}}
@keyframes gradFlowY{0%{background-position:0 0}100%{background-position:0 200%}}
@keyframes aurora1{0%{transform:translate(0,0) scale(1)}50%{transform:translate(-7%,9%) scale(1.12)}100%{transform:translate(5%,-5%) scale(.96)}}
@keyframes aurora2{0%{transform:translate(0,0) scale(1)}50%{transform:translate(9%,-7%) scale(1.14)}100%{transform:translate(-6%,6%) scale(.94)}}
@keyframes aurora3{0%{transform:translate(-50%,-50%) scale(.9);opacity:.4}100%{transform:translate(-30%,-70%) scale(1.15);opacity:.7}}
@keyframes gridMove{to{background-position:0 64px,64px 0}}
@keyframes watermark{0%,100%{transform:translateY(-50%) rotate(0deg)}50%{transform:translateY(-52%) rotate(2deg)}}
@keyframes editorBlink{0%,49%{opacity:1}50%,100%{opacity:0}}
@keyframes studyDot{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes scrollDrop{0%{top:-50%}100%{top:110%}}
@keyframes dashMove{to{stroke-dashoffset:-56}}
@keyframes nodePulse{0%,100%{opacity:.45}50%{opacity:1}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ---------- 响应式 ---------- */
@media (max-width:1120px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento__card--feature{grid-column:span 2;grid-row:auto}
  .bento__card--wide,.bento__card:last-child{grid-column:span 2}
  .os__layout{grid-template-columns:1fr;gap:48px}
}
@media (max-width:920px){
  :root{--pad-x:28px}
  .wrap{padding:0 28px}
  .nav__inner{padding:0 28px;gap:20px}
  .hero__inner{padding:0 28px}
  .hero__scroll{display:none}
  .hero__inner{grid-template-columns:1fr;gap:44px}
  .nav__links{display:none}
  .nav__burger{display:block}
  .lang{margin-left:auto;margin-right:12px}
  .lang__btn{padding:0 11px;height:36px}
  .lang__btn span{display:none}
  .lang__menu{right:-4px}
  .nav__burger{margin-left:0}
  .product{grid-template-columns:1fr;gap:44px}
  .product+.product{margin-top:56px;padding-top:56px}
  .product .viz,.product--flip .viz{margin:0 auto}
  .product--flip .product__info,.product--flip .product__viz{grid-column:auto;grid-row:auto}
  .product--flip .product__viz{order:2}
  .os__cards{grid-template-columns:1fr;gap:16px}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .stats__item:nth-child(odd){border-left:0}
  .stats__item:nth-child(n+3){border-top:1px solid var(--line)}
  .footer__inner{gap:26px}
  .footer__nav{margin-left:0}
}
@media (max-width:600px){
  :root{--pad-x:20px}
  .wrap{padding:0 20px}
  .nav__inner{padding:0 20px}
  .hero__inner{padding:0 20px}
  .hero{padding-top:110px}
  .editor__body{height:286px}
  .hero__eyebrow{font-size:10.5px;letter-spacing:.14em;padding:8px 14px}
  .hero__actions{gap:12px}
  .btn{height:50px;padding:0 24px;font-size:14px}
  .btn--lg{height:56px;padding:0 28px}
  .bento{grid-template-columns:1fr}
  .bento__card--feature,.bento__card--wide,.bento__card:last-child{grid-column:span 1}
  .viz{max-width:360px;height:340px}
  .viz__node{padding:6px 12px;font-size:10.5px;letter-spacing:.06em}
  .viz__card{padding:8px 11px;font-size:10.5px;gap:6px}
  .viz__card--2{bottom:26%}
  .viz__branch{left:24%;right:24%}
  .viz__node--l{left:24%}
  .viz__node--r{left:76%}
  .stats__item{padding:38px 20px}
  .terminal__body{font-size:12px;padding:20px;min-height:210px}
  .os-card{flex-direction:column;gap:16px;padding:24px;min-height:0}
  .os-card::after{left:24px;right:24px}
  .os-card__side{width:auto;border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:16px;flex-direction:row;flex-wrap:wrap;gap:12px 22px;justify-content:flex-start}
  .os-card__tags{margin-top:0}
  .menu{padding:0 28px}
  .footer__copy{flex-direction:column;gap:8px}
  .footer__inner{padding-top:64px}
  .to-top{right:18px;bottom:18px;width:46px;height:46px}
  .to-top svg{width:18px;height:18px}
  .sec-title{margin-bottom:44px}
}

@supports (padding:max(0px)){
  .wrap,.nav__inner,.hero__inner,.menu{
    padding-left:max(var(--pad-x),env(safe-area-inset-left,0px));
    padding-right:max(var(--pad-x),env(safe-area-inset-right,0px));
  }
  .nav{padding-top:env(safe-area-inset-top,0px)}
}

/* ---------- 关于页 ---------- */
.about-copy{max-width:860px}
.about-copy__lead{color:var(--ink);font-size:14.5px;line-height:1.95;margin-bottom:20px;font-weight:600}
.about-copy__lead b{font-weight:600}
.about-copy__grad{background:var(--grad);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradFlow 7s linear infinite;font-weight:600}
.about-copy__list{display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.about-copy__list li{position:relative;padding-left:26px;color:var(--ink-2);font-size:14px;line-height:1.85}
.about-copy__list li::before{content:"";position:absolute;left:0;top:.82em;width:14px;height:1px;background:var(--grad)}
.about-copy__list b{color:var(--ink);font-weight:600}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-grid)}
.member{position:relative;display:flex;flex-direction:column;padding:26px 26px 24px;border:1px solid var(--line);border-radius:20px;background:radial-gradient(240px 150px at 100% 0%,rgba(75,225,255,.07),transparent 70%),linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.007));overflow:hidden;transition:transform .5s var(--ease),border-color .5s,box-shadow .5s}
.member--product{background:radial-gradient(240px 150px at 100% 0%,rgba(139,107,255,.1),transparent 70%),linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.007))}
.member--tech{background:radial-gradient(240px 150px at 100% 0%,rgba(46,230,168,.08),transparent 70%),linear-gradient(180deg,rgba(255,255,255,.032),rgba(255,255,255,.007))}
.member::before{content:"";position:absolute;top:0;left:26px;right:26px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent)}
.member>*{position:relative;z-index:1}
.member::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .45s;background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(75,225,255,.12),transparent 62%)}
.member:hover{transform:translateY(-4px);border-color:rgba(75,225,255,.3);box-shadow:0 34px 70px -50px rgba(0,0,0,.95)}
.member:hover::after{opacity:1}
.member--product:hover{border-color:rgba(139,107,255,.35)}
.member--product::after{background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(139,107,255,.14),transparent 62%)}
.member--tech:hover{border-color:rgba(46,230,168,.3)}
.member--tech::after{background:radial-gradient(340px circle at var(--mx,50%) var(--my,50%),rgba(46,230,168,.12),transparent 62%)}
.member__head{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.member__avatar{width:68px;height:68px;flex:none;filter:drop-shadow(0 10px 22px rgba(75,225,255,.16));transition:filter .55s}
.member:hover .member__avatar{filter:drop-shadow(0 14px 26px rgba(75,225,255,.3))}
.member--product:hover .member__avatar{filter:drop-shadow(0 14px 26px rgba(139,107,255,.35))}
.member--product .member__avatar{filter:drop-shadow(0 10px 22px rgba(139,107,255,.2))}
.member--tech:hover .member__avatar{filter:drop-shadow(0 14px 26px rgba(46,230,168,.3))}
.member--tech .member__avatar{filter:drop-shadow(0 10px 22px rgba(46,230,168,.16))}
.member__avatar svg{width:100%;height:100%;display:block}
.member__id h4{font-size:16px;font-weight:600;margin-bottom:5px}
.member__role{font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;color:var(--ink-3)}
.member__bio{color:var(--ink-2);font-size:13px;line-height:1.7;margin-bottom:20px}
.member__stack{margin-top:auto;display:flex;flex-direction:column;gap:16px;padding-top:20px;border-top:1px solid var(--line)}
.stack-group__label{position:relative;display:inline-block;font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;color:var(--cyan);margin-bottom:10px;padding-left:15px}
.stack-group__label::before{content:"";position:absolute;left:0;top:50%;width:7px;height:7px;border-radius:2px;transform:translateY(-50%);background:var(--cyan);opacity:.85}
.member--product .stack-group__label{color:#b79bff}
.member--product .stack-group__label::before{background:#b79bff}
.member--tech .stack-group__label{color:#2ee6a8}
.member--tech .stack-group__label::before{background:#2ee6a8}
.stack-group ul{display:flex;flex-wrap:wrap;gap:7px}
.stack-group li{font-family:var(--font-mono);font-size:10.5px;color:var(--ink-2);border:1px solid var(--line-2);border-radius:7px;padding:3px 9px;background:rgba(30,23,64,.6);transition:color .3s,border-color .3s}
.stack-group li:hover{color:var(--ink);border-color:rgba(75,225,255,.4)}
.member--product .stack-group li:hover{border-color:rgba(139,107,255,.45)}
.member--tech .stack-group li:hover{border-color:rgba(46,230,168,.4)}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap-grid)}
.contact-item{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:18px;padding:24px;background:radial-gradient(240px 150px at 0% 0%,rgba(75,225,255,.05),transparent 70%),linear-gradient(180deg,rgba(255,255,255,.026),rgba(255,255,255,.006));transition:transform .45s var(--ease),border-color .45s}
.contact-item::before{content:"";position:absolute;top:0;left:24px;right:24px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.16),transparent)}
.contact-item>*{position:relative;z-index:1}
.contact-item::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .45s;background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(75,225,255,.12),transparent 62%)}
.contact-item:hover{transform:translateY(-3px);border-color:rgba(75,225,255,.3)}
.contact-item:hover::after{opacity:1}
.contact-item i{transition:color .35s,border-color .35s,background .35s}
.contact-item:hover i{color:#fff;border-color:rgba(75,225,255,.45);background:rgba(75,225,255,.08)}
.contact-item i{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;border:1px solid var(--line-2);color:var(--cyan)}
.contact-item__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.contact-item__tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.24em;color:var(--ink-3)}
.contact-item p a{font-family:var(--font-mono);letter-spacing:.04em}
.contact-item i svg{width:18px;height:18px}
.contact-item h4{font-size:13px;color:var(--ink-3);font-weight:500;margin-bottom:6px;letter-spacing:.08em}
.contact-item p,.contact-item a{font-size:14px;color:var(--ink);line-height:1.7;white-space:nowrap}
.contact-item a:hover{color:var(--cyan)}
.about-sec{margin-bottom:var(--gap-sec)}
.about-sec:last-child{margin-bottom:0}
@media (max-width:1000px){
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:1fr;gap:14px}
}
@media (max-width:920px){
}
@media (max-width:600px){
  .contact-grid{grid-template-columns:1fr}
}

/* ---------- 多端 / 多浏览器兼容 ---------- */
.grain{top:0;right:0;bottom:0;left:0}
.menu{top:0;right:0;bottom:0;left:0}
.menu__bg{top:0;right:0;bottom:0;left:0}
.hero__aurora{top:0;right:0;bottom:0;left:0}
.hero__editor::before{top:0;right:0;bottom:0;left:0}
.viz::after{top:0;right:0;bottom:0;left:0}
.os-card::before{top:0;right:0;bottom:0;left:0}
.btn--primary::before{top:0;right:0;bottom:0;left:0}
.btn--primary::after{top:0;right:0;bottom:0;left:0}
.to-top::before{top:-1px;right:-1px;bottom:-1px;left:-1px}
@supports (scrollbar-width:thin){
  html{scrollbar-width:thin;scrollbar-color:#3a2f6b #1c1540}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .nav.is-scrolled{background:rgba(30,23,66,.95)}
  .menu__bg{background:rgba(30,23,66,.985)}
  .hero__editor{background:rgba(36,28,74,.96)}
}
@supports not (gap:1px){
  .nav__links a+a{margin-left:38px}
  .footer__nav a+a{margin-left:30px}
  .hero__actions .btn+.btn{margin-left:16px}
  .contact__links a+a{margin-left:38px}
  .hero__inner{gap:0}
  .hero__editor{margin-top:40px}
}
@supports not (font-size:clamp(1px,1vw,2px)){
  .hero__title{font-size:36px}
  .sec-title{font-size:24px}
  .stats__item b{font-size:30px}
  .product__info h4{font-size:17px}
  .contact__title{font-size:26px}
  .hero__sub{font-size:14px}
  .section{padding:100px 0}
  .products .sec-title{margin-bottom:70px}
  .page-cta{padding:120px 0 150px}
}
@media (hover:none){
  .viz:hover{border-color:var(--line);box-shadow:0 40px 80px -50px rgba(0,0,0,.9)}
  .os-card:hover{transform:none}
  .member:hover{transform:none}
  .contact-item:hover{transform:none}
  .member:hover .member__avatar{filter:drop-shadow(0 10px 22px rgba(75,225,255,.16))}
  .member--product:hover .member__avatar{filter:drop-shadow(0 10px 22px rgba(139,107,255,.2))}
  .member--tech:hover .member__avatar{filter:drop-shadow(0 10px 22px rgba(46,230,168,.16))}
}
@media (min-width:1920px){
  :root{--wrap:1440px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .anim,.reveal{opacity:1!important;transform:none!important;filter:none!important}
  .hero__title .line__in.anim{transform:none!important}
}