/* m-ui 介绍站:沿用面板的配色与圆角,纯 CSS,无框架 */
:root {
  --bg: #f4f6f9; --surface: #fff; --surface-2: #f8fafc; --text: #1a202c; --muted: #64748b;
  --border: #e2e8f0; --primary: #2563eb; --primary-2: #1d4ed8; --primary-soft: #eff6ff; --ok: #16a34a; --radius: 14px; --radius-sm: 9px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -12px rgba(15, 23, 42, .12);
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1216; --surface: #171b21; --surface-2: #1c2129; --text: #e6e9ef; --muted: #8b95a5; --border: #2a313b; --primary: #3b82f6; --primary-2: #60a5fa; --primary-soft: #1e293b; --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px -16px rgba(0,0,0,.6); }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
code, pre { font-family: var(--mono); font-size: .9em; }
pre { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .9rem 1rem; overflow-x: auto; }
:not(pre) > code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 5px; padding: .05rem .35rem; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.2rem; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }

/* 顶栏 */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; gap: 1rem; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); }
.brand img { display: block; }
.brand small { font-weight: 500; color: var(--muted); font-size: .78rem; padding-left: .45rem; border-left: 1px solid var(--border); }
.nav { display: flex; gap: .2rem; flex: 1; overflow-x: auto; scrollbar-width: none; }
.nav a { color: var(--muted); padding: .4rem .65rem; border-radius: 8px; white-space: nowrap; font-size: .95rem; }
.nav a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.nav a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }
.right { display: flex; gap: .5rem; align-items: center; }
.right a { white-space: nowrap; font-size: .92rem; }
.lang, .gh { color: var(--muted); padding: .4rem .5rem; }
.cta, .btn { display: inline-flex; align-items: center; gap: .4rem; background: var(--primary); color: #fff !important; padding: .55rem 1.05rem; border-radius: var(--radius-sm); font-weight: 600; box-shadow: 0 6px 16px -8px rgba(37, 99, 235, .6); transition: transform .12s, filter .12s; }
.cta:hover, .btn:hover { filter: brightness(1.06); transform: translateY(-1px); text-decoration: none; }
.btn.ghost { background: var(--surface); color: var(--text) !important; border: 1px solid var(--border); box-shadow: none; }
@media (max-width: 760px) { .nav { display: none; } .gh { display: none; } .brand small { display: none; } }

/* 首屏 */
.hero { position: relative; text-align: center; padding: 4rem 0 1.5rem; }
.hero::before { content: ""; position: absolute; inset: -60px -40vw 0; background: radial-gradient(60% 55% at 50% 0%, color-mix(in srgb, var(--primary) 16%, transparent), transparent 70%); pointer-events: none; z-index: -1; }
.eyebrow { display: inline-flex; align-items: center; gap: .45rem; font-size: .8rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--primary); background: var(--primary-soft); border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent); border-radius: 999px; padding: .3rem .8rem; margin-bottom: 1rem; }
.hero h1 { font-size: clamp(2.1rem, 5.2vw, 3.3rem); margin: 0 0 .7rem; letter-spacing: -.025em; line-height: 1.12; }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 44rem; margin: 0 auto 1.5rem; }
.hero .actions { display: flex; gap: .7rem; justify-content: center; flex-wrap: wrap; }
.install { display: flex; align-items: center; gap: .6rem; justify-content: center; margin: 1.5rem auto 0; max-width: 46rem; }
.install pre { margin: 0; flex: 1; text-align: left; white-space: pre; background: var(--surface); box-shadow: var(--shadow); }
.install button { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: var(--radius-sm); padding: .6rem .85rem; cursor: pointer; font: inherit; }
.install button:hover { border-color: var(--primary); color: var(--primary); }
.proof { display: flex; flex-wrap: wrap; justify-content: center; gap: .4rem 1.2rem; margin: 1.1rem 0 0; color: var(--muted); font-size: .86rem; }
.proof span::before { content: "✓"; color: var(--ok); margin-right: .35rem; font-weight: 700; }
.shot { margin: 2.2rem auto 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: 0 30px 60px -32px rgba(15, 23, 42, .45); }
.shot img { display: block; }
.shot.phone { max-width: 360px; }
figure { margin: 1.5rem 0; }
figcaption { color: var(--muted); font-size: .85rem; text-align: center; margin-top: .5rem; }

/* 一横一竖两张图并排:等高、裁掉下方,不再留白 */
.duo { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 1rem; align-items: stretch; }
.duo .shot { margin: 0; height: 480px; }
.duo .shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
@media (max-width: 820px) { .duo { grid-template-columns: 1fr; } .duo .shot { height: auto; } .duo .shot.phone { max-width: 320px; margin: 0 auto; } }

/* 区块 */
section.block { padding: 2.8rem 0; border-top: 1px solid var(--border); }
section.block h2 { font-size: 1.7rem; margin: 0 0 .45rem; letter-spacing: -.015em; }
section.block > p.sub { color: var(--muted); margin: 0 0 1.5rem; max-width: 46rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem 1.25rem; box-shadow: var(--shadow); transition: transform .15s, border-color .15s; }
.card:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.card .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; margin-bottom: .7rem; }
.card .ic svg { width: 20px; height: 20px; }
.card h3 { margin: 0 0 .35rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.steps li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.1rem 1rem 3rem; position: relative; box-shadow: var(--shadow); }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; left: 1rem; top: 1rem; width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--primary); color: #fff; font-size: .8rem; font-weight: 700; display: grid; place-items: center; }
.steps b { display: block; margin-bottom: .2rem; }
.steps span { color: var(--muted); font-size: .9rem; }
.ctaband { text-align: center; background: linear-gradient(135deg, var(--primary-soft), var(--surface)); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.2rem 1rem; margin: 2.8rem 0; box-shadow: var(--shadow); }
.ctaband h2 { margin: 0 0 .5rem; }
.ctaband p { color: var(--muted); margin: 0 0 1rem; }

/* 文档页 */
article.doc { max-width: 780px; margin: 0 auto; padding: 2.2rem 0 3rem; }
article.doc h1 { font-size: 2.1rem; letter-spacing: -.02em; margin: 0 0 .4rem; line-height: 1.2; }
article.doc .lead { color: var(--muted); font-size: 1.1rem; margin: 0 0 1.6rem; }
article.doc h2 { font-size: 1.4rem; margin: 2.2rem 0 .6rem; padding-top: .4rem; }
article.doc h3 { font-size: 1.1rem; margin: 1.5rem 0 .4rem; }
article.doc p, article.doc li { color: var(--text); }
article.doc table { width: 100%; border-collapse: collapse; font-size: .93rem; margin: 1rem 0; display: block; overflow-x: auto; }
article.doc th, article.doc td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
article.doc th { color: var(--muted); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
article.doc details { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .6rem .9rem; margin: .5rem 0; background: var(--surface); }
article.doc summary { cursor: pointer; font-weight: 600; }
article.doc details p { margin: .6rem 0 .2rem; color: var(--muted); }
article.doc .meta { color: var(--muted); font-size: .85rem; margin-bottom: 1.2rem; }
article.doc .note { background: var(--primary-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .7rem .9rem; margin: 1rem 0; font-size: .95rem; }
article.doc figure.shot { margin: 1.4rem 0; }
.toc { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 1.2rem; }
.toc a { font-size: .85rem; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: .2rem .7rem; color: var(--muted); }
.toc a:hover { color: var(--primary); border-color: var(--primary); text-decoration: none; }
.yes { color: var(--ok); font-weight: 600; }
.unk { color: var(--muted); }
.article-list { list-style: none; padding: 0; margin: 0; }
.article-list li { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.article-list li a { font-weight: 600; font-size: 1.05rem; }
.article-list li p { margin: .3rem 0 0; font-size: .93rem; }
.related { margin-top: 2.4rem; padding-top: 1.2rem; border-top: 1px solid var(--border); font-size: .93rem; color: var(--muted); }

/* 页脚 */
.foot { border-top: 1px solid var(--border); padding: 2rem 0 2.4rem; margin-top: 2rem; }
.cols { display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.cols > div:last-child { display: flex; gap: 1.2rem; flex-wrap: wrap; align-items: center; }
.cols a { color: var(--muted); }
.foot p { margin: .3rem 0 0; }

/* 站点页脚的社交证明、Getting started 里的自动测试列表 */
.foot .social a { color: var(--muted); }
.tested li { margin: .3rem 0; }
.tested .ok { color: var(--ok); font-weight: 700; }
.tested .bad { color: #dc2626; font-weight: 600; }