/* =========================================================
   Reasonix 中文下载站 · 共享样式
   基于 TRAE Work 设计库 token（colors_and_type.css）
   ========================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg-base-default);
  color:var(--text-default);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}

/* ---------- 布局容器 ---------- */
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--alt{background:var(--bg-base-secondary)}
.section__head{max-width:720px;margin:0 auto 56px;text-align:center}
.section__eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-brand);margin-bottom:14px;
}
.section__title{font-size:34px;font-weight:700;letter-spacing:-.02em;line-height:1.25}
.section__sub{margin-top:16px;color:var(--text-secondary);font-size:17px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  font-size:15px;font-weight:600;border-radius:var(--radius-8);
  padding:11px 20px;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,border-color .18s ease,transform .12s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--bg-brand);color:var(--text-onbrand)}
.btn--primary:hover{background:var(--bg-brand-hover);box-shadow:0 6px 20px rgba(75,63,227,.28)}
.btn--secondary{background:var(--bg-base-default);color:var(--text-default);border-color:var(--border-neutral-l2)}
.btn--secondary:hover{border-color:var(--border-neutral-l3);background:var(--bg-base-secondary)}
.btn--ghost{background:transparent;color:var(--text-brand);padding-left:8px;padding-right:8px}
.btn--ghost:hover{background:var(--bg-brand-popup)}
.btn--lg{padding:14px 26px;font-size:16px}
.btn--sm{padding:8px 14px;font-size:13px}
.btn__icon{width:18px;height:18px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;height:64px;
  background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border-neutral-l1);
}
.site-header__inner{height:64px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em}
.brand__mark{
  width:30px;height:30px;border-radius:var(--radius-8);background:var(--bg-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;flex:none;
}
.brand__mark svg{width:18px;height:18px}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:8px 12px;border-radius:var(--radius-8);font-size:14px;font-weight:500;
  color:var(--text-secondary);transition:color .15s,background .15s;
}
.nav-link:hover{color:var(--text-default);background:var(--bg-base-secondary)}
.nav-link.is-active{color:var(--text-brand);font-weight:600}
.site-header__right{margin-left:auto;display:flex;align-items:center;gap:14px}
.github-link{color:var(--text-secondary);display:flex;align-items:center;padding:6px;border-radius:var(--radius-8);transition:color .15s,background .15s}
.github-link:hover{color:var(--text-default);background:var(--bg-base-secondary)}
.github-link svg{width:20px;height:20px}
.nav-toggle{display:none;background:none;border:none;color:var(--text-default);cursor:pointer}
.nav-toggle svg{width:24px;height:24px}

/* ---------- Hero ---------- */
.hero{padding:84px 0 72px;position:relative;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--text-brand);background:var(--bg-brand-popup);
  padding:6px 12px;border-radius:var(--radius-full);margin-bottom:22px;
}
.hero__badge svg{width:15px;height:15px}
.hero__title{font-size:52px;line-height:1.08;font-weight:800;letter-spacing:-.03em}
.hero__title .accent{color:var(--bg-brand)}
.hero__lead{margin-top:22px;font-size:19px;color:var(--text-secondary);max-width:520px}
.hero__cta{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.hero__meta{margin-top:30px;display:flex;gap:24px;flex-wrap:wrap;color:var(--text-tertiary);font-size:13px}
.hero__meta span{display:inline-flex;align-items:center;gap:6px}
.hero__meta svg{width:15px;height:15px;color:var(--status-success-default)}

/* ---------- 终端模拟 ---------- */
.terminal{
  background:#0f1117;border-radius:var(--radius-12);overflow:hidden;
  box-shadow:0 24px 60px rgba(20,18,40,.28);border:1px solid #20232e;
}
.terminal__bar{
  display:flex;align-items:center;gap:7px;padding:12px 14px;background:#161922;border-bottom:1px solid #20232e;
}
.terminal__dot{width:11px;height:11px;border-radius:50%}
.terminal__dot--r{background:#ff5f57}.terminal__dot--y{background:#febc2e}.terminal__dot--g{background:#28c840}
.terminal__title{margin-left:10px;font-size:12px;color:#8b90a0;font-family:var(--font-family-mono)}
.terminal__body{padding:18px 18px 22px;font-family:var(--font-family-mono);font-size:13.5px;line-height:1.7;color:#c9d1e0}
.terminal__line{white-space:pre-wrap;word-break:break-word}
.terminal__prompt{color:#7d6ee6;font-weight:600}
.terminal__cmd{color:#e6e9f2}
.terminal__out{color:#8b90a0}
.terminal__ok{color:#28c840}
.terminal__hl{color:#9d8bff}
.terminal__cursor{display:inline-block;width:8px;height:15px;background:#7d6ee6;animation:blink 1.1s step-end infinite;vertical-align:middle}
@keyframes blink{50%{opacity:0}}

/* ---------- 卡片 / 网格 ---------- */
.grid{display:grid;gap:24px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:var(--bg-base-default);border:1px solid var(--border-neutral-l1);
  border-radius:var(--radius-12);padding:28px;transition:border-color .18s,box-shadow .18s,transform .18s;
}
.card--hover:hover{border-color:var(--border-brand);box-shadow:0 14px 40px rgba(75,63,227,.12);transform:translateY(-3px)}
.card__icon{
  width:46px;height:46px;border-radius:var(--radius-12);background:var(--bg-brand-popup);
  display:flex;align-items:center;justify-content:center;color:var(--text-brand);margin-bottom:18px;
}
.card__icon svg{width:23px;height:23px}
.card__title{font-size:18px;font-weight:700;margin-bottom:8px}
.card__text{color:var(--text-secondary);font-size:15px}
.card__list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.card__list li{display:flex;gap:10px;font-size:14px;color:var(--text-secondary)}
.card__list svg{width:17px;height:17px;color:var(--status-success-default);flex:none;margin-top:3px}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:var(--radius-full);
  background:var(--bg-base-tertiary);color:var(--text-secondary);
}
.tag--brand{background:var(--bg-brand-popup);color:var(--text-brand)}
.tag--success{background:rgba(31,157,87,.12);color:var(--status-success-default)}

/* ---------- 分栏段落 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--rev .split__media{order:-1}
.split__title{font-size:28px;font-weight:700;letter-spacing:-.02em;margin-bottom:16px}
.split__text{color:var(--text-secondary);font-size:16px;margin-bottom:14px}
.split__list{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.split__list li{display:flex;gap:11px;font-size:15px;color:var(--text-default)}
.split__list svg{width:19px;height:19px;color:var(--bg-brand);flex:none;margin-top:3px}
.split__media{background:var(--bg-base-secondary);border:1px solid var(--border-neutral-l1);border-radius:var(--radius-16);padding:22px}

/* ---------- 代码块 ---------- */
.code{
  background:#0f1117;border-radius:var(--radius-12);padding:18px 20px;
  font-family:var(--font-family-mono);font-size:14px;color:#e6e9f2;overflow-x:auto;
  border:1px solid #20232e;position:relative;
}
.code__copy{
  position:absolute;top:10px;right:10px;background:#20232e;border:none;color:#9aa0b0;
  font-size:12px;padding:5px 9px;border-radius:var(--radius-6);cursor:pointer;display:flex;align-items:center;gap:5px;
}
.code__copy:hover{color:#fff;background:#2a2e3c}
.code__copy svg{width:13px;height:13px}
.code .c-prompt{color:#7d6ee6;font-weight:600}
.code .c-com{color:#5d6373}
.code .c-hl{color:#9d8bff}
.code .c-ok{color:#28c840}

/* ---------- 统计条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat__num{font-size:34px;font-weight:800;color:var(--bg-brand);letter-spacing:-.02em}
.stat__label{font-size:14px;color:var(--text-tertiary);margin-top:6px}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{position:relative;padding:28px;border:1px solid var(--border-neutral-l1);border-radius:var(--radius-12);background:var(--bg-base-default)}
.step__no{
  width:38px;height:38px;border-radius:var(--radius-8);background:var(--bg-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px;
}
.step__title{font-size:17px;font-weight:700;margin-bottom:6px}
.step__text{color:var(--text-secondary);font-size:14px}

/* ---------- 徽标行 / 安装方式 Tabs ---------- */
.tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.tab{
  font-size:14px;font-weight:600;padding:9px 16px;border-radius:var(--radius-8);
  border:1px solid var(--border-neutral-l2);background:var(--bg-base-default);color:var(--text-secondary);cursor:pointer;
  transition:all .15s;
}
.tab.is-active{background:var(--bg-brand);color:#fff;border-color:var(--bg-brand)}
.tab:hover:not(.is-active){border-color:var(--border-neutral-l3)}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:collapse;background:var(--bg-base-default);border:1px solid var(--border-neutral-l1);border-radius:var(--radius-12);overflow:hidden}
.table th,.table td{padding:14px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--border-neutral-l1)}
.table th{background:var(--bg-base-secondary);font-weight:600;color:var(--text-default)}
.table tr:last-child td{border-bottom:none}
.table td:first-child{font-weight:600}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:820px;margin:0 auto}
.faq__item{border:1px solid var(--border-neutral-l1);border-radius:var(--radius-12);padding:20px 22px;background:var(--bg-base-default)}
.faq__q{font-weight:700;font-size:16px;display:flex;gap:10px;align-items:center}
.faq__q svg{width:18px;height:18px;color:var(--bg-brand)}
.faq__a{margin-top:10px;color:var(--text-secondary);font-size:15px}

/* ---------- 文档布局 ---------- */
.docs{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
.docs__toc{position:sticky;top:88px;display:flex;flex-direction:column;gap:4px}
.docs__toc a{font-size:14px;color:var(--text-secondary);padding:7px 12px;border-radius:var(--radius-8);border-left:2px solid transparent}
.docs__toc a:hover{color:var(--text-default);background:var(--bg-base-secondary)}
.docs__toc a.is-active{color:var(--text-brand);font-weight:600;border-left-color:var(--bg-brand)}
.docs__content h3{font-size:22px;font-weight:700;margin:34px 0 12px;letter-spacing:-.01em}
.docs__content h3:first-child{margin-top:0}
.docs__content p{color:var(--text-secondary);font-size:15.5px;margin-bottom:14px}
.docs__content .code{margin-bottom:16px}

/* ---------- 博客 ---------- */
.blog-feature{
  display:grid;grid-template-columns:1.2fr 1fr;gap:0;border:1px solid var(--border-neutral-l1);
  border-radius:var(--radius-16);overflow:hidden;background:var(--bg-base-default);
}
.blog-feature__body{padding:36px}
.blog-feature__media{background:linear-gradient(135deg,var(--brand-700),var(--brand-300));display:flex;align-items:center;justify-content:center;color:#fff}
.blog-feature__media svg{width:64px;height:64px;opacity:.9}
.blog-card{border:1px solid var(--border-neutral-l1);border-radius:var(--radius-12);padding:24px;background:var(--bg-base-default);transition:border-color .18s,transform .18s,box-shadow .18s}
.blog-card:hover{border-color:var(--border-brand);transform:translateY(-3px);box-shadow:0 14px 40px rgba(75,63,227,.1)}
.blog-card__date{font-size:13px;color:var(--text-tertiary);margin-bottom:10px}
.blog-card__title{font-size:18px;font-weight:700;margin-bottom:8px}
.blog-card__excerpt{color:var(--text-secondary);font-size:14px}
.blog-card__more{margin-top:14px;font-size:14px;font-weight:600;color:var(--text-brand);display:inline-flex;align-items:center;gap:5px}
.blog-card__more svg{width:15px;height:15px}

/* ---------- 关于 / 路线图 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tl{border:1px solid var(--border-neutral-l1);border-radius:var(--radius-12);padding:22px;background:var(--bg-base-default)}
.tl__ver{font-size:13px;font-weight:700;color:var(--text-brand);margin-bottom:8px}
.tl__title{font-size:16px;font-weight:700;margin-bottom:6px}
.tl__text{font-size:14px;color:var(--text-secondary)}
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.principle{display:flex;gap:14px;padding:22px;border:1px solid var(--border-neutral-l1);border-radius:var(--radius-12)}
.principle__icon{width:40px;height:40px;border-radius:var(--radius-8);background:var(--bg-brand-popup);color:var(--text-brand);display:flex;align-items:center;justify-content:center;flex:none}
.principle__icon svg{width:20px;height:20px}
.principle__title{font-weight:700;margin-bottom:5px}
.principle__text{font-size:14px;color:var(--text-secondary)}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  border-radius:var(--radius-16);padding:56px;text-align:center;color:#fff;
}
.cta-band h2{font-size:32px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.cta-band p{font-size:17px;opacity:.9;margin-bottom:28px;max-width:560px;margin-left:auto;margin-right:auto}
.cta-band .btn--primary{background:#fff;color:var(--bg-brand)}
.cta-band .btn--primary:hover{background:#f0f0ff}
.cta-band .btn--secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.cta-band .btn--secondary:hover{background:rgba(255,255,255,.12)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-base-secondary);border-top:1px solid var(--border-neutral-l1);padding:56px 0 32px;margin-top:24px}
.footer__grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
.footer__brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer__brand .brand__mark{width:28px;height:28px}
.footer__desc{color:var(--text-tertiary);font-size:14px;max-width:260px}
.footer__col h4{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary);margin-bottom:14px}
.footer__col a{display:block;font-size:14px;color:var(--text-secondary);padding:5px 0;transition:color .15s}
.footer__col a:hover{color:var(--text-brand)}
.footer__bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--border-neutral-l1);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;color:var(--text-tertiary);font-size:13px}
.footer__bottom a{color:var(--text-tertiary)}
.footer__bottom a:hover{color:var(--text-secondary)}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero__grid,.split,.blog-feature{grid-template-columns:1fr}
  .split--rev .split__media{order:0}
  .grid--3,.grid--2,.stats,.timeline,.steps,.principles{grid-template-columns:1fr}
  .docs{grid-template-columns:1fr}
  .docs__toc{position:static;flex-direction:row;flex-wrap:wrap;gap:8px;margin-bottom:24px}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .site-nav,.site-header__right .btn{display:none}
  .nav-toggle{display:flex}
  .site-header.is-open .site-nav{
    display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;
    background:var(--bg-base-default);border-bottom:1px solid var(--border-neutral-l1);padding:12px 24px;gap:2px;
  }
  .hero__title{font-size:38px}
  .section{padding:60px 0}
  .section__title{font-size:27px}
  .footer__grid{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
}