/* label.ktebo.jp 共用样式。系统字体、无外部资源(CSP 只放行本站)。 */
:root {
  --ink: #14213d;
  --navy: #1e3a8a;
  --navy-soft: #e3e9f7;
  --ground: #f1f4fa;
  --surface: #ffffff;
  --muted: #586178;
  --line: #d8dfec;
  --warn-soft: #fdf3e1;
  --warn-ink: #7a4b05;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Meiryo", "Noto Sans JP", sans-serif;
}
html[lang="zh-CN"] {
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 15px/1.8 var(--sans); }
.wrap { max-width: 920px; margin: 0 auto; padding-inline: 20px; }
a { color: var(--navy); }
a:focus-visible, .btn:focus-visible { outline: 3px solid #93b4f5; outline-offset: 2px; }
img { max-width: 100%; }

header.bar { background: var(--surface); border-bottom: 1px solid var(--line); }
header.bar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 10px 16px; padding-block: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; color: var(--ink); text-decoration: none; }
.brand img { width: 28px; height: 28px; border-radius: 6px; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 6px; font-size: 13.5px; }
.nav a { text-decoration: none; padding: 3px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); }
.nav a[aria-current="page"] { background: var(--navy-soft); color: var(--navy); border-color: transparent; font-weight: 700; }

.hero { padding-block: 40px 20px; }
.hero h1, .doc-head h1 { margin: 0 0 10px; font-size: clamp(24px, 4.2vw, 34px); line-height: 1.35; letter-spacing: .01em; text-wrap: balance; }
.lead { margin: 0; color: var(--muted); max-width: 42em; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.install { margin-top: 24px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.install h2 { grid-column: 1 / -1; margin: 0; font-size: 15px; }
.install .more { grid-column: 1 / -1; margin: 0; font-size: 14px; }
.opt { display: grid; gap: 6px; align-content: start; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 10px 18px; border-radius: 8px; font: inherit; font-weight: 700; text-decoration: none; background: var(--navy); color: #fff; border: 1px solid var(--navy); }
.btn[aria-disabled="true"] { background: var(--navy-soft); color: var(--muted); border-color: var(--line); cursor: default; }
.opt small { color: var(--muted); font-size: 12.5px; line-height: 1.6; }

figure.shot { margin: 22px 0 0; }
figure.shot img { display: block; width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); }
figure.shot figcaption { color: var(--muted); font-size: 12.5px; margin-top: 6px; }

section.block { padding-block: 26px; }
section.block > h2 { font-size: 20px; margin: 0 0 14px; text-wrap: balance; }
section.block h3 { font-size: 16px; margin: 20px 0 8px; }

.feat { display: grid; gap: 10px; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.feat li { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.feat b { display: block; margin-bottom: 2px; }
.feat span { color: var(--muted); font-size: 14px; }

/* 利用控:首页上单独一块强调 */
.spotlight { background: var(--surface); border: 2px solid var(--navy); border-radius: 14px; padding: 22px 22px 20px; }
.spotlight .tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--navy); background: var(--navy-soft); border-radius: 999px; padding: 1px 10px; margin-bottom: 8px; }
.spotlight h2 { margin: 0 0 8px; font-size: clamp(20px, 3.4vw, 26px); line-height: 1.4; text-wrap: balance; }
.spotlight p { margin: 0 0 10px; }
.checks { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.checks li { background: var(--ground); border-radius: 10px; padding: 12px 14px; font-size: 14px; }
.checks b { display: block; font-size: 14.5px; margin-bottom: 2px; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: step; }
.steps > li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px 14px 56px; position: relative; }
.steps > li::before { content: counter(step); position: absolute; left: 16px; top: 14px; width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 700; font-size: 13px; display: grid; place-items: center; line-height: 1; }
.steps b { display: block; }
.steps span { display: block; color: var(--muted); font-size: 14px; }

dl.spec { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
dl.spec div { display: grid; grid-template-columns: 9em 1fr; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line); }
dl.spec div:first-child { border-top: 0; }
dl.spec dt { color: var(--muted); font-size: 14px; }
dl.spec dd { margin: 0; }

.note { color: var(--muted); font-size: 13.5px; }
.tip { background: var(--warn-soft); color: var(--warn-ink); border-radius: 10px; padding: 12px 16px; font-size: 14px; margin: 12px 0 0; }
.tip b { display: block; margin-bottom: 2px; }

/* 使い方:三个模块的目录 */
.toc { display: grid; gap: 10px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin: 22px 0 0; padding: 0; list-style: none; counter-reset: mod; }
.toc a { display: block; height: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; text-decoration: none; color: var(--ink); }
.toc a:hover { border-color: var(--navy); }
.toc .num { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--navy); color: #fff; font-weight: 700; margin-right: 8px; }
.toc b { font-size: 15.5px; }
.toc span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }
.module { border-top: 1px solid var(--line); padding-block: 30px 10px; }
.module > h2 { display: flex; align-items: center; gap: 10px; font-size: clamp(20px, 3.2vw, 24px); margin: 0 0 6px; }
.module > h2 .num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--navy); color: #fff; font-size: 17px; flex: none; }
.module > p { margin: 0 0 14px; color: var(--muted); }

/* 条款、隐私政策正文 */
.doc-head { padding-block: 36px 8px; }
.doc-head .meta { color: var(--muted); font-size: 13px; margin: 0; }
.legal { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px; margin-bottom: 8px; }
.legal h2 { font-size: 16px; margin: 24px 0 6px; }
.legal h2:first-child { margin-top: 0; }
.legal p { margin: 0 0 10px; font-size: 14.5px; line-height: 1.9; }

footer.foot { border-top: 1px solid var(--line); background: var(--surface); margin-top: 28px; }
footer.foot .wrap { padding-block: 22px 30px; display: grid; gap: 6px; font-size: 13.5px; color: var(--muted); }
footer.foot .links { display: flex; flex-wrap: wrap; gap: 4px 16px; }
footer.foot .mail { user-select: all; color: var(--ink); }

/* 四项内容排成 2×2,窄屏一列(3+1 会让最后一项孤零零一行) */
@media (max-width: 640px) {
  .feat, .checks { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  dl.spec div { grid-template-columns: 1fr; gap: 0; }
  .spotlight { padding: 18px 16px; }
  .legal { padding: 18px 16px; }
  .steps > li { padding-left: 50px; }
  .steps > li::before { left: 13px; }
}

/* 插件隐私政策(插件方原件的段落结构原样嵌入) */
.privacy-doc .key { background: var(--navy-soft); border-radius: 8px; padding: 12px 14px; }
.privacy-doc table { border-collapse: collapse; width: 100%; font-size: 13.5px; margin: 4px 0 12px; display: block; overflow-x: auto; }
.privacy-doc th, .privacy-doc td { border: 1px solid var(--line); padding: 7px 9px; text-align: left; vertical-align: top; }
.privacy-doc th { background: var(--ground); font-weight: 600; }
.privacy-doc ul { margin: 0 0 10px; padding-left: 1.3em; font-size: 14.5px; line-height: 1.9; }