/* aiagt shared base — dark theme design system */

:root {
  --accent: #60a5fa;
  --accent-hover: #93bbfd;
  --accent-dim: #0e1a2e;
  --link: var(--accent);
  --link-hover: var(--accent-hover);
  --container-max: 960px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#0a0a0f;color:#d4d4d8;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none;transition:color .2s}
a:hover,a:focus-visible{color:var(--link-hover)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:2px}
code,kbd,pre{font-family:"JetBrains Mono","Fira Code",monospace}

.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}

nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,10,15,.85);backdrop-filter:blur(12px);border-bottom:1px solid #1e1e2e}
nav .container{display:flex;align-items:center;justify-content:space-between;height:56px}
.nav-logo{font-weight:700;font-size:18px;color:#e4e4e7}
.nav-logo span{color:var(--accent)}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{font-size:14px;color:#a1a1aa}
.nav-links a:hover{color:#e4e4e7}
.lang-btn{background:none;border:1px solid #2e2e3e;color:#a1a1aa;padding:4px 10px;border-radius:6px;font-size:13px;cursor:pointer;transition:all .2s}
.lang-btn:hover{color:#e4e4e7;border-color:#52526b}

section{padding:100px 0}
section[id]{scroll-margin-top:72px}

.section-label{font-size:13px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
h2{font-size:clamp(28px,5vw,40px);font-weight:700;color:#fafafa;line-height:1.2;letter-spacing:-.01em;margin-bottom:16px}
.section-desc{font-size:17px;color:#a1a1aa;max-width:560px;margin-bottom:48px;line-height:1.7}

footer{padding:32px 0;border-top:1px solid #1e1e2e;text-align:center;font-size:13px;color:#52525b}
footer a{color:#71717a}
footer a:hover{color:#a1a1aa}

.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:48px}
.hero-cta .primary,.hero-cta .secondary{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none}
.hero-cta .secondary{background:transparent;color:#a1a1aa;border:1px solid #2e2e3e}
.hero-cta .secondary:hover{color:#e4e4e7;border-color:#52526b}

.clone-box{display:inline-flex;align-items:center;gap:12px;background:#13131a;border:1px solid #1e1e2e;border-radius:8px;padding:14px 22px;font-family:"JetBrains Mono","Fira Code",monospace;font-size:14px;color:#4ade80;cursor:pointer;user-select:all;max-width:100%;overflow-x:auto;font:inherit;transition:border-color .2s,color .2s}
.clone-box:hover{border-color:#4ade80}

.hero{padding:160px 0 80px;text-align:center}
.hero h1{font-size:clamp(40px,8vw,64px);font-weight:700;color:#fafafa;line-height:1.1;letter-spacing:-.02em;margin-bottom:16px}
.hero h1 span{color:var(--accent)}
.hero .sub{font-size:clamp(16px,3vw,20px);color:#a1a1aa;max-width:600px;margin:0 auto 40px;line-height:1.6}

.card{background:#13131a;border:1px solid #1e1e2e;border-radius:10px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

.faq{max-width:640px;margin:0 auto}
.faq-item{border-bottom:1px solid #1e1e2e;padding:20px 0}
.faq-q{font-size:16px;font-weight:500;color:#e4e4e7;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;user-select:none}
.faq-q:hover{color:#fafafa}
.faq-q::after{content:"+";font-size:20px;color:#52525b;transition:transform .2s;flex-shrink:0}
.faq-a{font-size:14px;color:#71717a;line-height:1.7;margin-top:12px;display:none}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q::after{content:"\2212";transform:rotate(180deg)}

.copy-btn{background:#1a1a24;border:1px solid #2e2e3e;border-radius:6px;color:#52525b;cursor:pointer;font-size:12px;padding:4px 10px;transition:all .2s;font-family:Inter,system-ui,sans-serif}
.copy-btn:hover{color:var(--accent);border-color:var(--accent)}
.copy-btn.copied{color:#4ade80;border-color:#4ade80}

/* WSL 代码块自动换行 */
.wsl-cmd-wrapper pre code{word-break:break-all;white-space:pre-wrap}
.wsl-cmd-wrapper pre{max-height:none;overflow-x:hidden}

@media(max-width:768px){
  section{padding:64px 0}
  .hero{padding:120px 0 64px}
  .hero-cta{margin-bottom:32px}
  .card-grid{grid-template-columns:1fr}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}