/* hawk 官网样式 —— 暗色 + 琥珀色（鹰羽）主题 */
:root {
  --bg: #0a0f1e;
  --bg-2: #0d1428;
  --surface: #121a30;
  --surface-2: #182142;
  --border: #263156;
  --text: #e7ebf7;
  --muted: #98a3c4;
  --amber: #f5a623;
  --amber-2: #ffcf6b;
  --emerald: #34d399;
  --danger: #f87171;
  --radius: 16px;
  --maxw: 1120px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--amber-2); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { max-width: 100%; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.01em; }
code, pre { font-family: var(--mono); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.eyebrow { color: var(--amber); font-weight: 700; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.muted { color: var(--muted); }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 15, 30, .78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.brand .dot { color: var(--amber); }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta { background: var(--amber); color: #1a1200 !important; padding: 8px 16px; border-radius: 10px; font-weight: 700; }
.nav-cta:hover { background: var(--amber-2); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 10px; cursor: pointer; }

/* ---------- 通用 section ---------- */
section { padding: 88px 0; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin: 12px 0 12px; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 96px 0 80px;
  background:
    radial-gradient(900px 480px at 78% -8%, rgba(245,166,35,.16), transparent 60%),
    radial-gradient(760px 440px at 8% 12%, rgba(52,211,153,.10), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin: 14px 0 20px; }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--amber-2), var(--amber));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 1.18rem; color: var(--muted); margin: 0 0 32px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px 20px; color: var(--muted); font-size: .92rem; }
.hero-badges span { display: inline-flex; align-items: center; gap: 7px; }
.hero-badges .tick { color: var(--emerald); font-weight: 800; }

.hero-art { display: flex; justify-content: center; }
.hero-logo {
  width: min(360px, 78%); filter: drop-shadow(0 24px 60px rgba(245,166,35,.18));
}

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 13px 22px; border-radius: 12px; font-weight: 700; font-size: 1rem; cursor: pointer; border: 1px solid transparent; transition: transform .06s ease, background .15s ease; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--amber); color: #1a1200; }
.btn-primary:hover { background: var(--amber-2); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--amber); color: var(--amber-2); }
.btn svg { width: 18px; height: 18px; }

/* ---------- 特性卡片 ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: border-color .18s ease, transform .18s ease;
}
.card:hover { border-color: #3a4778; transform: translateY(-3px); }
.card .ico { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; background: rgba(245,166,35,.12); margin-bottom: 16px; }
.card .ico svg { width: 24px; height: 24px; stroke: var(--amber); }
.card h3 { font-size: 1.15rem; margin: 0 0 8px; }
.card p { color: var(--muted); margin: 0; font-size: .96rem; }

/* ---------- 代码块 ---------- */
.code {
  position: relative; background: #070b16; border: 1px solid var(--border);
  border-radius: 12px; margin: 0 0 20px; overflow: hidden;
}
.code-head { display: flex; align-items: center; justify-content: space-between; padding: 9px 14px; border-bottom: 1px solid var(--border); background: #0a1120; }
.code-head .fname { color: var(--muted); font-size: .82rem; font-family: var(--mono); }
.copy-btn { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); border-radius: 7px; padding: 4px 11px; font-size: .78rem; cursor: pointer; font-family: var(--sans); }
.copy-btn:hover { border-color: var(--amber); color: var(--amber-2); }
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-size: .88rem; line-height: 1.7; }
/* 日志窗口：自动换行，不出现横向滚动条 */
.code.code-wrap pre { overflow-x: hidden; white-space: pre-wrap; word-break: break-word; overflow-wrap: anywhere; }
.code code { color: #d7def3; }
.code .c { color: #6b7aa3; }      /* 注释 */
.code .k { color: var(--amber-2); } /* 命令/关键字 */
.code .s { color: var(--emerald); } /* 字符串/路径 */

/* ---------- 下载 ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dl-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; }
.dl-card.feat { border-color: var(--amber); box-shadow: 0 0 0 1px rgba(245,166,35,.35), 0 20px 50px rgba(245,166,35,.08); }
.dl-card .tag { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--amber); }
.dl-card h3 { margin: 8px 0 4px; font-size: 1.3rem; }
.dl-card .arch { color: var(--muted); font-size: .9rem; margin-bottom: 4px; }
.dl-card .size { color: var(--muted); font-size: .82rem; margin-bottom: 18px; }
.dl-card ul { margin: 0 0 20px; padding-left: 18px; color: var(--muted); font-size: .9rem; }
.dl-card ul li { margin-bottom: 5px; }
.dl-card .btn { margin-top: auto; justify-content: center; }
.dl-note { margin-top: 26px; padding: 16px 18px; background: var(--surface); border: 1px dashed var(--border); border-radius: 12px; color: var(--muted); font-size: .9rem; }
.dl-note code { color: var(--amber-2); background: #070b16; padding: 2px 6px; border-radius: 5px; }

/* ---------- 步骤 ---------- */
.steps { counter-reset: step; display: grid; gap: 20px; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start; }
.step .num { counter-increment: step; width: 44px; height: 44px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); display: grid; place-items: center; font-weight: 800; color: var(--amber); }
.step .num::before { content: counter(step); }
.step h3 { margin: 6px 0 8px; font-size: 1.12rem; }
.step p { margin: 0 0 12px; color: var(--muted); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); color: var(--text); font-weight: 700; white-space: nowrap; }
td { color: var(--muted); }
td code, th code { color: var(--amber-2); background: #070b16; padding: 1px 6px; border-radius: 5px; font-size: .86em; }
tr:last-child td { border-bottom: none; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); padding: 48px 0 40px; background: #070b16; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer h4 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 14px; }
.footer a { color: var(--muted); display: block; margin-bottom: 9px; font-size: .93rem; }
.footer a:hover { color: var(--amber-2); }
.footer .brand { margin-bottom: 12px; }
.footer .desc { color: var(--muted); font-size: .92rem; max-width: 320px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; color: var(--muted); font-size: .85rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
/* 备案号：底部正中间 */
.beian { margin-top: 18px; text-align: center; color: var(--muted); font-size: .82rem; }
.beian a { color: var(--muted); }
.beian a:hover { color: var(--amber-2); }

/* ---------- 面包屑 / 文档页 ---------- */
.doc-hero { padding: 56px 0 32px; background: radial-gradient(700px 300px at 80% 0%, rgba(245,166,35,.10), transparent 60%); border-bottom: 1px solid var(--border); }
.crumb { color: var(--muted); font-size: .88rem; margin-bottom: 12px; }
.doc-layout { display: grid; grid-template-columns: 240px 1fr; gap: 48px; align-items: start; padding: 48px 0; }
.toc { position: sticky; top: 84px; }
.toc h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 12px; }
.toc a { display: block; color: var(--muted); font-size: .9rem; padding: 5px 0; border-left: 2px solid transparent; padding-left: 12px; }
.toc a:hover, .toc a.active { color: var(--amber-2); border-left-color: var(--amber); text-decoration: none; }
.doc-body h2 { font-size: 1.6rem; margin: 48px 0 16px; padding-top: 8px; }
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { font-size: 1.2rem; margin: 32px 0 12px; }
.doc-body p, .doc-body li { color: #cdd5ee; }
.doc-body ul, .doc-body ol { padding-left: 22px; }
.doc-body li { margin-bottom: 7px; }
.callout { border-left: 3px solid var(--amber); background: rgba(245,166,35,.07); padding: 14px 18px; border-radius: 0 10px 10px 0; margin: 20px 0; color: #e7ebf7; }
.callout.warn { border-left-color: var(--danger); background: rgba(248,113,113,.07); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-art { order: -1; }
  .hero p.lead, .hero-actions, .hero-badges { margin-left: auto; margin-right: auto; justify-content: center; }
  .grid-3, .dl-grid { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .doc-layout { grid-template-columns: 1fr; }
  .toc { position: static; display: none; }
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; }
  .nav-toggle { display: block; margin-left: auto; }
  section { padding: 64px 0; }
}