/* 书深官网静态站样式：源自官网草稿（0910 版为事实源），已去除原型调试条与单文件页开关。
   配色取草稿尾部「浅色主题」覆盖后的生效值 —— 草稿用第二个 :root 覆盖，这里直接合并成一份。 */
:root{
  --page:#EFEFEA; --app:#FBFBF8; --panel:#F3F4EF; --white:#FFFFFF;
  --green:#1B3A29; --green-2:#2C5340; --green-3:#3E6E51; --tint:#E4EDE5; --tint-line:#C6D6C8;
  --gold:#B4842B; --gold-tint:#F4E8CB; --gold-line:#E3D2A6;
  --ink:#25241E; --ink-2:#4B4940; --muted:#7C7767; --muted-2:#9B9584;
  --line:#E6E4DC; --line-2:#ECEAE3; --red:#AC4E47;
  /* 草稿引用了 --hp-soft 却没定义（背景落空）；取草稿 .hp-shot-ai 的底色补齐 */
  --hp-soft:#F7F9F5;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --mono:"SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{margin:0;background:var(--app);color:var(--ink);font:14px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
.ic{display:inline-flex;flex:none;vertical-align:-2px}

.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 18px;border-radius:100px;
  font-size:13.5px;font-weight:600;border:1px solid var(--line);background:var(--white);color:var(--ink);white-space:nowrap}
.btn:hover{border-color:var(--tint-line)}
.btn.pri{background:linear-gradient(135deg,var(--green-2),var(--green));border-color:var(--green);color:#F2EFE6}
.btn.pri:hover{background:linear-gradient(135deg,var(--green-3),var(--green-2));border-color:var(--green-2)}
.btn.sm{height:32px;padding:0 13px;font-size:12.5px;border-radius:100px}
.btn.danger{color:var(--red);border-color:#E8D0CC}
.btn.danger:hover{border-color:var(--red)}
.sec-t{font-family:var(--sans);font-size:29px;line-height:1.35;margin:8px 0;font-weight:600}
.sec-t em,.paradigm h2 em,.wf-t em{font-style:normal;color:var(--green-3)}
.sec-p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}

/* 顶栏 */
.nav{position:sticky;top:0;z-index:100;background:rgba(251,251,248,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-2)}
.nav-in{max-width:1180px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;gap:26px}
.logo{display:flex;align-items:center;gap:8px;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;font-size:19px;font-weight:600;letter-spacing:.06em;color:var(--green)}
.logo i{width:23px;height:23px;border-radius:7px;background:var(--green);display:grid;place-items:center;
  color:#F2EFE6;font-size:11px;font-style:normal;font-family:var(--sans);font-weight:700}
.nav-links{display:flex;gap:22px;font-size:13.5px;color:var(--ink-2)}
.nav-links a:hover,.nav-links a.on{color:var(--green)}
.nav-links a.on{font-weight:600}
/* 未公开的 GitHub 入口保留悬停与键盘提示，不执行导航。 */
.js-gh:not([href]){cursor:default}
.js-gh:focus-visible{outline:2px solid var(--green-3);outline-offset:4px}
.repo-coming-tooltip{position:fixed;z-index:200;margin:0;padding:10px 14px;border:1px solid #dce5d8;border-radius:9px;background:#fffffc;color:#456b57;font-size:13px;line-height:1.5;white-space:nowrap;box-shadow:0 4px 16px rgba(44,85,69,.04)}
.repo-coming-tooltip[hidden]{display:none}
.repo-coming-tooltip::before{content:'';position:absolute;top:-5px;left:calc(var(--arrow-x,50%) - 5px);width:8px;height:8px;background:#fffffc;border-top:1px solid #dce5d8;border-left:1px solid #dce5d8;transform:rotate(45deg)}
.nav-sp{flex:1}
.nav-act{display:flex;align-items:center;gap:12px}
.ghost{font-size:13.5px;color:var(--ink-2);padding:6px 4px}
.ghost:hover{color:var(--green)}

/* 更新日志：沿用官网字体、纸色背景与绿色强调。 */
.changelog-main{padding:70px 0 88px}
.changelog-heading{max-width:960px;margin-bottom:52px}
.changelog-heading h1{font-size:40px;line-height:1.25;letter-spacing:-.04em;font-weight:600;margin:0 0 16px;color:var(--green)}
.changelog-heading p{font-size:15px;color:var(--muted);margin:0}
.log{max-width:912px;margin:0 auto}
.log-item{border-top:1px solid var(--line)}
.log-item:last-child{border-bottom:1px solid var(--line)}
.log-meta{display:flex;align-items:center;gap:12px;list-style:none;cursor:pointer;padding:25px 0}
.log-meta::-webkit-details-marker{display:none}
.log-meta:hover .log-v{color:var(--green-3)}
.log-meta:focus-visible{outline:2px solid var(--green-3);outline-offset:4px;border-radius:4px}
.log-v{font:600 16px/1.3 var(--sans);letter-spacing:-.03em;color:var(--green)}
.log-date{font-size:13px;color:var(--muted);margin-left:auto;font-variant-numeric:tabular-nums}
.log-tag{display:inline-flex;padding:2px 9px;border-radius:100px;font-size:11px;font-weight:600;background:var(--panel);border:1px solid var(--line);color:var(--ink-2)}
.log-soon{background:var(--panel);border-color:var(--line);color:var(--muted)}
.log-current{background:var(--tint);border-color:var(--tint-line);color:var(--green-2)}
.log-chevron{width:7px;height:7px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(-45deg);margin:0 4px 0 10px;flex:none}
.log-item[open] .log-chevron{transform:rotate(45deg);margin-top:-4px}
.log-body{padding:4px 0 36px}
.log-groups{display:grid;gap:22px}
.log-group h3{font-size:14px;margin:0 0 7px;font-weight:600;color:var(--green-2)}
.log-group ul{margin:0;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.85}
.log-group li{padding-left:3px;margin:3px 0}
.log-group li::marker{color:var(--muted-2);font-size:10px}
.log-empty{padding:30px 0;color:var(--muted);text-align:center}
@media(max-width:760px){
  .changelog-main{padding:40px 0 56px}
  .changelog-heading{margin-bottom:32px}
  .changelog-heading h1{font-size:32px}
  .log-meta{gap:8px;padding:22px 0;flex-wrap:wrap}
  .log-v{font-size:16px}
  .log-date{font-size:12px}
  .log-chevron{margin-left:4px}

}

/* 顶部 hover 下拉（产品 / 社群） */
.ndrop{position:relative;display:inline-flex}
.ndrop>a{display:inline-flex;align-items:center;gap:3px}
.ndrop .nd-m{position:absolute;top:100%;left:50%;transform:translateX(-50%);padding-top:12px;display:none;z-index:120}
.ndrop:hover .nd-m{display:block}
.nd-card{display:block;min-width:148px;padding:6px;border-radius:11px;background:var(--white);
  border:1px solid var(--line);box-shadow:0 10px 28px rgba(38,35,24,.14)}
.nd-card>a{display:flex;align-items:center;gap:8px;padding:8px 11px;border-radius:8px;font-size:13px;color:var(--ink-2);white-space:nowrap}
.nd-card>a:hover{background:var(--panel);color:var(--green)}
/* 导航登录态：头像 + 掩码手机号触发下拉（site.js 探测 /api/web/me 后显示） */
.acc-b{height:32px;padding:0 4px;border-radius:8px}
.acc-b:hover{background:var(--white)}
.acc-b .ava{width:26px;height:26px;border-radius:50%;background:var(--green);color:#F2EFE6;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;font-style:normal}
.acc-b span{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.nd-card>button.nd-out{display:flex;align-items:center;width:100%;padding:8px 11px;border-radius:8px;
  font-size:13px;color:var(--ink-2);text-align:left;white-space:nowrap}
.nd-card>button.nd-out:hover{background:var(--panel);color:var(--red)}
.nd-qr{width:196px;padding:15px;text-align:center}
.nd-qr b{display:block;font-size:13px;color:var(--ink)}
.nd-qr .qr{width:152px;height:152px;margin:11px auto 0;border-radius:9px;border:1px solid var(--line);
  background:var(--panel);display:grid;place-items:center;color:var(--muted);font-size:12px}
.nd-qr p{font-size:11.5px;color:var(--muted);margin:10px 0 0;line-height:1.5}
/* 语言切换：横排分段控件，选中态高亮（取代草稿的 dropdown 形态） */
.lang{display:inline-flex;align-items:center;padding:3px;border-radius:100px;background:var(--panel);border:1px solid var(--line)}
.lang-b{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:100px;font-size:12.5px;color:var(--muted)}
.lang-b:hover{color:var(--green)}
.lang-b.on{background:var(--white);color:var(--green);font-weight:600;box-shadow:0 1px 3px rgba(38,35,24,.10)}
/* 账号（不显示积分） */
.user{display:flex;align-items:center;gap:8px;height:36px;padding:0 13px 0 5px;border-radius:100px;
  background:var(--white);border:1px solid var(--line);font-size:13px;font-weight:600}
.user:hover{border-color:var(--tint-line)}
.user .av{width:26px;height:26px;border-radius:50%;background:var(--green);color:#F2EFE6;display:grid;place-items:center;font-size:12px;font-weight:600;flex:none}

/* Hero（0910 草稿浅色版：网格底纹 + 右上光晕，取代旧的径向渐变底）
   overflow-x:clip 是兜住 ::after 那颗 right:-60px 的光晕 —— 草稿靠 #p-home{overflow-x:clip}，
   生产是多页真实 URL 没有页面壳，只能挂在 .hero 上；纵向保持 visible，别裁掉下载下拉菜单。 */
.hero{position:relative;padding:104px 0 96px;text-align:center;background:var(--app);
  overflow-x:clip;overflow-y:visible}
.hero::before{content:'';position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:56px 56px;opacity:.55;
  -webkit-mask-image:radial-gradient(760px 480px at 50% 40%,#000 25%,transparent 75%);mask-image:radial-gradient(760px 480px at 50% 40%,#000 25%,transparent 75%)}
.hero::after{content:'';position:absolute;pointer-events:none;width:680px;height:460px;right:-60px;top:-40px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(62,110,81,.18),rgba(62,110,81,0));filter:blur(10px)}
.hero>.wrap{position:relative;z-index:1}
.pill{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 13px;border-radius:100px;
  background:var(--tint);border:1px solid var(--tint-line);color:var(--green-2);font-size:12px;font-weight:600}
.hero h1{font-family:var(--sans);font-size:54px;line-height:1.2;margin:0 auto;max-width:760px;font-weight:600;letter-spacing:-.01em}
.hero h1 em,.dtext h2 em{font-style:normal;color:var(--green-3)}
.hero p{font-size:16px;color:var(--muted);max-width:760px;margin:18px auto 0;line-height:1.7}
.hero p b{color:var(--ink);font-weight:600}
.hero-cta{display:flex;gap:11px;justify-content:center;margin-top:30px;flex-wrap:wrap}
[hidden]{display:none!important}

/* 单个分体下载按钮：主按钮 = 当前平台推荐版本，右侧箭头展开三版本（PRD-官网 §2 / §3：
   不并列铺开三个下载按钮，与已上线的 13ef670 三按钮相反） */
.dl-split{position:relative;display:inline-flex}
.dl-split .dl-main{border-radius:100px 0 0 100px;padding:0 20px;height:44px;font-size:14px}
.dl-split .dl-tog{border-radius:0 100px 100px 0;padding:0 10px;height:44px;border-left:1px solid rgba(255,255,255,.22)}
.dl-split .dl-tog .ic{transition:transform .18s}
.dl-split.open .dl-tog .ic{transform:rotate(180deg)}
.dl-split .dl-main,.dl-split .dl-tog{background:linear-gradient(135deg,#4A7A5C,var(--green-3));border-color:var(--green-3);color:#F7F5EE}
.dl-split .dl-main:hover,.dl-split .dl-tog:hover{background:linear-gradient(135deg,#3E6E51,#2C5340)}
.dl-split .dl-tog{border-left-color:rgba(255,255,255,.28)}
.dl-menu{position:absolute;top:calc(100% + 8px);left:0;min-width:100%;padding:5px;border-radius:12px;background:var(--white);border:1px solid var(--line);
  box-shadow:0 12px 30px rgba(38,35,24,.14);display:none;z-index:50;text-align:left}
.dl-split.open .dl-menu{display:block}
.dl-menu button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 11px;border-radius:8px;font-size:13px;color:var(--ink-2);white-space:nowrap}
.dl-menu button:hover{background:var(--panel);color:var(--green)}
.dl-menu button i{margin-left:auto;color:var(--green);visibility:hidden}
.dl-menu button.on{color:var(--green);font-weight:600}
.dl-menu button.on i{visibility:visible}
/* 无产物平台的置灰态（官网设计 §17.3）：状态由 site.js 的探测结果驱动，元素保持可聚焦，
   故不用原生 disabled，只降为面板底色并关掉 hover 的「可点」暗示。特异性压过上面两条渐变与
   hover 规则，且对 .quick-download（同带 .dl-split）一并生效。 */
.dl-split .dl-main.dl-off{background:var(--panel);border-color:var(--line);color:var(--ink-2);opacity:.65;cursor:default}
.dl-split .dl-main.dl-off:hover{background:var(--panel)}
.dl-menu button.dl-off{color:var(--ink-2);opacity:.65;cursor:default}
.dl-menu button.dl-off:hover{background:transparent;color:var(--ink-2)}
.dl-hint{margin-top:10px;font-size:12px;color:var(--muted-2)}

/* GitHub 大按钮：只出入口 + 协议标识，不显示 Star 数（PRD-官网 §2 备注） */
.btn.gh-big{height:44px;padding:0 20px;font-size:14px}
.btn.gh-big i{font-style:normal;font-size:11.5px;font-weight:600;color:var(--green-2);padding:2px 8px;border-radius:100px;background:var(--tint);border:1px solid var(--tint-line);margin-left:4px}

/* 首屏：下载 → 或 → 一键使用 */
/* 作用域必须带 .hero：文件后段第三方登录另有一条同名 .or，同特异性靠后会吃掉这里的居中 margin */
.hero .or{display:flex;align-items:center;gap:14px;max-width:420px;margin:22px auto 16px;font-size:12.5px;color:var(--muted)}
.hero .or::before,.hero .or::after{content:'';flex:1;height:1px;background:var(--line)}
.hero .cmd{height:46px;padding:0 6px 0 18px}
.hero .cmd code{font-size:14.5px}

/* 命令块 + 复制按钮：反馈按真实剪贴板写入结果，.ok = 已复制、.bad = 写入失败（绝不显示成功） */
.cmd{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 6px 0 18px;border-radius:100px;background:#14261B;border:1px solid #0E1C13}
.cmd code{font:13.5px/1 var(--sans);color:#F7F5EE;white-space:nowrap}
.cmd code::before{content:'$ ';color:var(--gold)}
.cmd-copy{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 10px;border-radius:100px;font-size:12px;color:#F7F5EE;background:rgba(255,255,255,.1)}
.cmd-copy:hover{background:rgba(255,255,255,.2)}
.cmd-copy.ok{background:var(--gold);color:#14261B}
.cmd-copy.bad{background:#7E4A44;color:#FBF1EF}
/* wide 只是「撑满容器」的布局变体：配色、圆角、复制按钮状态一律继承基类，保持与首屏一致 */
.cmd.wide{display:flex}
.cmd.wide code{flex:1}

/* 区块底 */
.band{padding:70px 0;border-top:1px solid var(--line)}
.band.alt{background:var(--panel)}
.band.cta{background:var(--white);padding-bottom:30px}
/* 锚点跳转目标给顶栏留位：sticky 顶栏 60px，scrollIntoView 否则把区块标题遮在栏下 */
.diff,#feat,.doc-sec{scroll-margin-top:76px}

/* 协议 / 隐私正文（构建期由仓内 legal/*.md 转换，见 build.py） */
.legal{max-width:760px;margin:0 auto;padding:44px 24px 90px;font-size:14px;line-height:2;color:var(--ink-2)}
.legal h1{font-size:26px;line-height:1.4;margin:0 0 20px;color:var(--ink);font-weight:700}
.legal h2{font-size:20px;line-height:1.5;margin:28px 0 14px;color:var(--ink);font-weight:600}
.legal p{margin:0 0 14px}
.legal ul{list-style:disc;padding-left:24px;margin:0 0 14px}
.legal li{margin-bottom:8px}
.legal hr{border:0;border-top:1px solid var(--line);margin:24px 0}
.legal strong{color:var(--ink)}

/* 四大改变：概要 01-04 + 逐一展示（左右非对称交错） */
.paradigm h2{font-family:var(--sans);font-weight:600}
.sum4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:-24px 0 64px}
.sum4-c{padding:20px 20px 22px;border-radius:12px;background:var(--white);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:7px;position:relative;overflow:hidden}
.sum4-c::before{content:'';position:absolute;left:20px;top:0;width:36px;height:3px;border-radius:0 0 3px 3px;background:var(--green-3)}
.sum4-n{font-size:11.5px;font-weight:700;letter-spacing:.06em;color:var(--green-3)}
.sum4-c b{font-size:15.5px;font-weight:650;line-height:1.4}
.sum4-c span:not(.sum4-n){font-size:13px;color:var(--muted);line-height:1.7}
.diff{display:grid;grid-template-columns:1fr 1.55fr;gap:56px;align-items:center}
.diff+.diff{margin-top:72px}
#diff1,#diff3{grid-template-columns:1.3fr 1fr}
#diff2,#diff4{grid-template-columns:1fr 1.3fr}
.num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;
  background:var(--green-3);color:#F2EFE6;font:700 12px var(--sans);margin-bottom:12px}
.dtext h2{font-family:var(--sans);font-size:30px;line-height:1.32;margin:0 0 10px;font-weight:600}
.dtext p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.85}
.dtext ul{margin:16px 0 0;padding-left:18px;font-size:13.5px;color:var(--ink-2);line-height:2}
.vs{display:inline-block;margin-top:14px;padding:3px 10px;border-radius:100px;font-size:11.5px;font-weight:600;
  background:var(--tint);border:1px solid var(--tint-line);color:var(--green-2)}
.frame{border-radius:13px;border:1px solid var(--line);background:var(--panel);padding:52px 26px 26px;min-height:320px;
  display:flex;align-items:center;box-shadow:0 20px 50px rgba(27,58,41,.10);
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:28px 28px;background-position:center}
.frame>div{width:100%}

/* 抽象界面示意卡（PRD 允许抽象卡片或真实截图；是否换真实截图见官网设计 D2，演示素材见 D19） */
.hp-shot{border-radius:14px 14px 0 0;background:#fff;border:1px solid var(--line);border-bottom:0;
  box-shadow:0 30px 70px rgba(27,58,41,.16),0 2px 6px rgba(27,58,41,.06);overflow:hidden;color:var(--ink)}
.hp-shot.standalone{border-radius:14px;border-bottom:1px solid var(--line);max-width:920px;margin:0 auto}
.hp-shot-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--hp-soft);border-bottom:1px solid var(--line-2);font-size:11.5px;color:var(--muted)}
.hp-shot-bar i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.hp-shot-bar span{margin-left:8px}
.hp-shot-body{display:grid;grid-template-columns:1.15fr 1fr;min-height:340px}
.hp-shot-pdf{padding:22px 20px;border-right:1px solid var(--line-2);display:flex;flex-direction:column;gap:10px}
.hp-line{height:9px;border-radius:4px;background:var(--line-2)}
.hp-line.w9{width:95%}.hp-line.w8{width:84%}.hp-line.w7{width:72%}.hp-line.w6{width:62%}.hp-line.w5{width:50%}
.hp-line.sel{height:auto;background:var(--gold-tint);border:1px solid var(--gold-line);padding:6px 9px;font-size:11.5px;line-height:1.5;color:var(--ink-2);border-radius:6px}
.hp-tools{display:inline-flex;gap:2px;padding:4px;border-radius:8px;background:var(--green);width:max-content;margin:-2px 0 0 14px;box-shadow:0 8px 20px rgba(27,58,41,.3)}
.hp-tools span{padding:3px 9px;border-radius:5px;font-size:11px;font-weight:600;color:#F2EFE6}
.hp-tools span:first-child{background:rgba(255,255,255,.16)}
.hp-shot-ai{padding:20px 18px;background:var(--hp-soft);display:flex;flex-direction:column;gap:10px}
.hp-q{align-self:flex-end;padding:8px 11px;border-radius:12px 12px 3px 12px;background:var(--green);color:#F2EFE6;font-size:12px;line-height:1.55;max-width:90%}
.hp-a{padding:10px 12px;border-radius:12px 12px 12px 3px;background:#fff;border:1px solid var(--line-2);font-size:12px;line-height:1.65;color:var(--ink-2)}
.hp-refs{display:flex;flex-wrap:wrap;gap:5px}
.hp-refs span{padding:2px 8px;border-radius:100px;font-size:10.5px;background:var(--tint);border:1px solid var(--tint-line);color:var(--green-2)}
.hp-shot-cap{display:flex;align-items:center;gap:7px;padding:9px 14px;border-top:1px solid var(--line-2);font-size:11.5px;color:var(--muted);background:#fff}
.hp-shot-cap .ic{color:var(--green)}
.hp-tree{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;max-width:360px;margin:0 auto;box-shadow:0 12px 30px rgba(27,58,41,.08)}
.hp-tree-h{font-size:14px;font-weight:600;padding:4px 0 10px;border-bottom:1px solid var(--line-2);margin-bottom:6px}
.hp-tree-r{display:flex;justify-content:space-between;padding:7px 10px;border-radius:7px;font-size:13px;color:var(--ink-2)}
.hp-tree-r.on{background:var(--tint);color:var(--green);font-weight:600}
.hp-tree-r em{font-style:normal;color:var(--muted);font-variant-numeric:tabular-nums}
.hp-tree-f{margin-top:10px;padding-top:10px;border-top:1px solid var(--line-2);font-size:11.5px;color:var(--muted)}
.hp-chat{display:flex;flex-direction:column;gap:10px;max-width:520px;margin:0 auto}
.hp-chat-sel{padding:10px 13px;border-radius:8px;background:var(--gold-tint);border:1px solid var(--gold-line);font-size:12.5px;line-height:1.65;color:var(--ink-2)}
.hp-chat-q{align-self:flex-end;padding:9px 13px;border-radius:14px 14px 4px 14px;background:var(--green);color:#F2EFE6;font-size:13px;max-width:88%}
.hp-chat-a{padding:12px 14px;border-radius:14px 14px 14px 4px;background:#fff;border:1px solid var(--line-2);font-size:13px;line-height:1.7;color:var(--ink-2);box-shadow:0 12px 30px rgba(27,58,41,.08)}
.hp-diff{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;max-width:520px;margin:0 auto;box-shadow:0 12px 30px rgba(27,58,41,.08)}
.hp-diff-h{font-size:12px;color:var(--muted);padding-bottom:10px;border-bottom:1px solid var(--line-2);margin-bottom:10px}
.hp-diff-r{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:8px 11px;border-radius:7px;font-size:13px;margin-bottom:6px;border:1px solid transparent}
.hp-diff-r.del{background:#FBF1EF;border-color:#EBD4CF;color:var(--muted);text-decoration:line-through}
.hp-diff-r.add{background:#EDF4EE;border-color:#CFE0D2;color:var(--ink)}
.hp-diff-r.add b{flex:none;font-size:11px;font-weight:600;color:var(--green-2)}
.hp-diff-r.keep{color:var(--ink-2)}
.hp-diff-f{display:flex;gap:8px;margin-top:10px}
.hp-diff-f span{padding:3px 10px;border-radius:6px;font-size:11.5px;border:1px solid var(--line);color:var(--ink-2);background:var(--hp-soft)}
.hp-plug{display:flex;flex-direction:column;gap:8px;max-width:520px;margin:0 auto}
.hp-plug-r{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:9px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);box-shadow:0 6px 18px rgba(27,58,41,.06)}
.hp-plug-r.on{background:var(--tint);border-color:var(--tint-line)}
.hp-plug-r b{flex:none;min-width:52px;text-align:center;padding:3px 9px;border-radius:6px;font-size:12px;font-weight:600;background:#fff;border:1px solid var(--line-2);color:var(--muted)}
.hp-plug-r.on b{color:var(--green);border-color:var(--tint-line)}

/* 五步工作流 */
.wf{text-align:center}
.wf-t{font-family:var(--sans);font-size:28px;font-weight:600;margin:0 0 8px}
.wf-sub{font-size:14.5px;color:var(--muted);margin:0 0 38px}
.wf-flow{display:flex;align-items:flex-start;justify-content:center;gap:0}
.wf-step{flex:1;max-width:170px;text-align:center;padding:0 8px}
.wf-ico{width:46px;height:46px;border-radius:50%;background:var(--white);border:1px solid var(--tint-line);display:grid;place-items:center;margin:0 auto 12px;color:var(--green)}
.wf-step h4{font-size:14px;font-weight:600;margin:0 0 4px}
.wf-step p{font-size:12px;color:var(--muted);line-height:1.5;margin:0}
.wf-arr{color:var(--muted-2);flex:none;margin-top:12px}

/* 典型使用场景六卡 */
.uc{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.uc-card{display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:12px;background:var(--white);border:1px solid var(--line)}
.uc-card .ic{color:var(--green)}
.uc-card b{font-size:15px;font-weight:650}
.uc-card span{font-size:13px;color:var(--muted);line-height:1.65}

/* FAQ 手风琴 */
.faq{text-align:center}
.faq-t{font-family:var(--sans);font-size:28px;font-weight:600;margin:0 0 8px}
.faq-sub{font-size:14.5px;color:var(--muted);margin:0 0 32px}
.faq-list{max-width:680px;margin:0 auto;text-align:left}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:18px 0;cursor:pointer;font-size:15px;font-weight:500;color:var(--ink);user-select:none;gap:12px}
.faq-q:hover,.faq-q:focus-visible{color:var(--green)}
.faq-q:focus-visible{outline:2px solid var(--green-3);outline-offset:2px;border-radius:6px}
.faq-q .arr{flex:none;transition:transform .25s;color:var(--muted);font-size:18px}
.faq-item.open .faq-q .arr{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;font-size:14px;color:var(--muted);line-height:1.8}
/* 草稿给 200px，最长的答案（faq.a3）在窄屏换行后会被截断，放到 420px */
.faq-item.open .faq-a{max-height:420px;padding:0 0 18px}

/* 开源与社群带 */
.oss{display:grid;grid-template-columns:1fr 236px;gap:48px;align-items:center}
.oss-l .sec-t em{font-style:normal;color:var(--green-3)}
.oss-r{padding:18px;border-radius:14px;background:var(--white);border:1px solid var(--line);text-align:center}
.oss-r b{display:block;font-size:13.5px}
.oss-r .qr{display:grid;place-items:center;width:160px;height:160px;margin:12px auto 0;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--muted);font-size:12px}
.oss-r p{font-size:12px;color:var(--muted);margin:10px 0 0;line-height:1.6}
.oss-actions{justify-content:flex-start;align-items:center;gap:10px;margin-top:24px}
.oss-actions .quick-download{width:240px;max-width:100%}
.oss-actions .dl-menu{top:auto;bottom:calc(100% + 8px)}
.oss-actions>.btn{height:44px;box-sizing:border-box}
.oss-start{width:300px;max-width:100%;margin:0}
.oss-start .cmd{display:flex;width:100%;height:44px;box-sizing:border-box;gap:10px;padding:0 7px 0 14px}
.oss-start-label{font-size:12px;color:rgba(247,245,238,.62);white-space:nowrap;padding-right:10px;border-right:1px solid rgba(247,245,238,.22);line-height:18px}
.oss-start .cmd code{flex:1}

/* 快速开始 / 首页底部复用同一个分体下载按钮 */
.quick-download{display:flex;width:100%}
.quick-download .dl-main{flex:1;min-width:0;padding:0 12px;font-size:13px}
.quick-download .dl-tog{flex:none;padding:0 12px}
.quick-download .dl-menu{box-sizing:border-box;width:100%;min-width:0}
.quick-download .dl-menu button{font-size:12.5px;white-space:normal;text-align:left}
.quick-download .dl-menu button .ic,.quick-download .dl-menu button i{flex-shrink:0}
.quick-download .dl-tog:focus-visible,.quick-download .dl-menu button:focus-visible{outline:2px solid var(--green-3);outline-offset:2px}

/* 快速开始：安装区两卡 + 八章手册 */
.qs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qs-c{padding:22px 22px 20px;border-radius:12px;background:var(--white);border:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.qs-c h3{font-size:16px;font-weight:650;margin:0}
.qs-c p{margin:-4px 0 2px;font-size:13px;color:var(--muted);line-height:1.6}
.qs-dl{display:flex;flex-direction:column;gap:8px}
.qs-dl .btn{justify-content:center}
.con.doc{min-height:calc(100vh - 60px)}
.doc-sec{padding:26px 0;border-top:1px solid var(--line-2)}
.doc-sec:first-of-type{border-top:0;padding-top:6px}
.doc-sec h2{font-size:19px;font-weight:650;margin:0 0 14px}
.doc-p{margin:14px 0 0;font-size:14px;line-height:1.85;color:var(--ink-2)}
.doc-p code{font:inherit;padding:1px 6px;border-radius:5px;background:var(--panel);border:1px solid var(--line-2)}
.doc-ol{margin:0;padding-left:20px;font-size:14px;line-height:2;color:var(--ink-2)}

.foot{border-top:1px solid var(--line-2);padding:42px 0 32px;background:var(--panel)}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:30px}
.foot h4{margin:0 0 11px;font-size:12px;letter-spacing:.06em;color:var(--muted-2);font-weight:700}
.foot a{display:block;font-size:13px;color:var(--ink-2);padding:3px 0}
.foot a:hover{color:var(--green)}
.foot a.mail{font-size:12.5px;line-height:1.6;word-break:break-all}
.foot-oss{font-size:11.5px;color:var(--muted-2);margin:6px 0 0}
/* 点击复制的触发元素 + 瞬时反馈：成功「已复制」约 2 秒恢复，失败红字且保留原文供手动复制 */
.foot-copy{display:block;position:relative}
.copy-tip{display:block;font-size:11.5px;color:var(--green-2);min-height:0}
.copy-tip:empty{display:none}
.copy-tip.bad{color:var(--red)}
.foot-mailhint{display:block;font-size:11.5px;color:var(--muted-2);margin-top:2px}

/* 控制台 */
.con{max-width:1180px;margin:0 auto;padding:0 24px;display:grid;grid-template-columns:210px 1fr;gap:34px;min-height:calc(100vh - 60px)}
.con-side{padding:30px 0}
.con-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:82px}
.con-nav button{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;font-size:13.5px;color:var(--ink-2)}
.con-nav button:hover{background:var(--panel)}
.con-nav button.on{background:var(--tint);color:var(--green);font-weight:600}
.con-nav button .ic{color:var(--muted)}
.con-nav button.on .ic{color:var(--green)}
.con-main{padding:30px 0 70px;max-width:860px}
.con-hd{margin-bottom:22px}
.con-hd h1{font-family:var(--serif);font-size:26px;margin:0 0 4px;font-weight:600}
.con-hd p{margin:0;font-size:13.5px;color:var(--muted)}
.box{border:1px solid var(--line);border-radius:12px;background:var(--white);margin-bottom:16px;overflow:hidden}
.box-h{padding:13px 18px;border-bottom:1px solid var(--line-2);font-size:13.5px;font-weight:650}
.row{display:flex;align-items:center;gap:14px;padding:15px 18px;border-bottom:1px solid var(--line-2)}
.row:last-child{border-bottom:0}
.row .v{flex:1;min-width:0}
.row .v b{display:block;font-size:13.5px;font-weight:650}
.row .v span{display:block;font-size:12.3px;color:var(--muted);margin-top:2px}
.row .v span.dim{color:var(--muted-2)}
.ava{width:52px;height:52px;border-radius:12px;background:var(--green);color:#F2EFE6;display:grid;place-items:center;font-size:20px;font-weight:600;flex:none}
.ava-meta{flex:1}
.ava-meta small{display:block;font-size:12px;color:var(--muted)}
.ava-meta b{display:block;font-size:16px;font-weight:650;margin-top:1px}
.ico-btn{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;color:var(--muted);border:1px solid transparent}
.ico-btn:hover{background:var(--panel);color:var(--ink);border-color:var(--line-2)}

.cr-top{padding:22px 20px;border:1px solid var(--line);border-left:3px solid var(--green);border-radius:12px;background:var(--white);margin-bottom:16px}
.cr-top .lab{font-size:12.5px;color:var(--muted)}
.cr-top .amt{font-family:var(--serif);font-size:38px;font-weight:600;line-height:1.15;margin-top:2px}
.cr-top .amt em{font-style:normal;font-size:14px;color:var(--muted);font-family:var(--sans);margin-left:5px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:12px;background:var(--white);overflow:hidden;margin-bottom:16px}
.stats div{padding:17px 20px;border-right:1px solid var(--line-2)}
.stats div:last-child{border-right:0}
.stats span{font-size:12px;color:var(--muted)}
.stats b{display:block;font-family:var(--serif);font-size:25px;font-weight:600;margin-top:4px}
.stats b em{font-style:normal;font-size:12.5px;color:var(--muted);font-family:var(--sans);margin-left:4px}
.src-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border-bottom:1px solid var(--line-2)}
.src-row .v{flex:1}
.src-row .v b{display:block;font-size:13.5px;font-weight:650}
.src-row .v span{display:block;font-size:12.3px;color:var(--muted);margin-top:2px}
.src-row .amt{font-family:var(--serif);font-size:19px;font-weight:600;white-space:nowrap}
.src-row .amt em{font-style:normal;font-size:12px;color:var(--muted);font-family:var(--sans);margin-left:3px}
.tag{display:inline-block;padding:1px 8px;border-radius:100px;font-size:11px;font-weight:600;
  background:var(--tint);border:1px solid var(--tint-line);color:var(--green-2)}
.tag.y{background:var(--gold-tint);border-color:var(--gold-line);color:var(--gold)}

.filt{display:flex;align-items:center;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line-2);font-size:12.5px;color:var(--muted)}
.date{display:flex;align-items:center;gap:10px;height:34px;padding:0 12px;border-radius:100px;border:1px solid var(--line);background:var(--white);color:var(--muted-2)}
.date input{border:0;outline:none;background:none;font:inherit;color:var(--ink);width:92px}
.date input::placeholder{color:var(--muted-2)}
.filt .sp{flex:1}
.filt .cnt{color:var(--ink-2)}
table{width:100%;border-collapse:collapse;font-size:12.8px}
th{text-align:left;padding:11px 14px;font-size:11.5px;color:var(--muted-2);font-weight:600;border-bottom:1px solid var(--line-2);white-space:nowrap}
th.r{text-align:right}
td{padding:13px 14px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
tr:last-child td{border-bottom:0}
td.t{font-variant-numeric:tabular-nums;white-space:nowrap}
td.m{font:12px var(--mono)}
td.n{font-variant-numeric:tabular-nums;text-align:right}
td.cr{font-variant-numeric:tabular-nums;text-align:right;font-weight:650;color:var(--ink)}
.note{padding:13px 18px;font-size:12.3px;color:var(--muted);line-height:1.7;background:var(--panel);border-top:1px solid var(--line-2)}

/* ---------- 登录相关 ---------- */
.auth{max-width:1180px;margin:0 auto;padding:0 24px;min-height:calc(100vh - 60px);
  display:grid;grid-template-columns:1fr 460px;gap:60px;align-items:center}
.auth-l h2{font-family:var(--serif);font-size:40px;line-height:1.28;margin:0 0 10px;font-weight:600}
.auth-l h2 em{font-style:normal;color:var(--green-3)}
.auth-l>p{margin:0 0 26px;font-size:14.5px;color:var(--muted);max-width:420px;line-height:1.8}
.sell{display:flex;flex-direction:column;gap:13px}
.sell div{display:flex;align-items:flex-start;gap:11px;font-size:13.8px;color:var(--ink-2)}
.sell .ic{color:var(--green);margin-top:3px}
.card{border-radius:16px;background:var(--white);border:1px solid var(--line);padding:26px 26px 22px;
  box-shadow:0 16px 44px rgba(38,35,24,.1)}
.card h3{font-family:var(--serif);font-size:22px;margin:0 0 4px;font-weight:600;text-align:center}
.card>p.sub{margin:0 0 20px;font-size:12.8px;color:var(--muted);text-align:center}
.seg{display:flex;padding:4px;border-radius:100px;background:var(--panel);margin-bottom:20px}
.seg button{flex:1;height:34px;border-radius:100px;font-size:13.2px;color:var(--muted)}
.seg button.on{background:var(--white);color:var(--ink);font-weight:650;box-shadow:0 1px 3px rgba(38,35,24,.1)}
.fld{margin-bottom:15px}
.fld label{display:block;font-size:12.5px;font-weight:650;margin-bottom:6px}
.fld-hd{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.fld-hd label{margin:0;flex:1}
.fld-alt{font-size:12.3px;color:var(--green-2);font-weight:600}
.fld-alt:hover{text-decoration:underline}
/* 国家 / 地区区号 */
.cc{flex:none;max-width:132px;border:0;outline:none;background:none;font:inherit;font-size:13.5px;
  color:var(--ink-2);padding-right:9px;margin-right:2px;border-right:1px solid var(--line);cursor:pointer}
/* 第三方登录 */
.or{display:flex;align-items:center;gap:12px;margin:20px 0 14px;color:var(--muted-2);font-size:12px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line-2)}
.oauth{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.oa{display:flex;align-items:center;justify-content:center;gap:8px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--white);font-size:13.5px;font-weight:600;color:var(--ink-2)}
.oa:hover{border-color:var(--tint-line);background:var(--panel);color:var(--ink)}
.inp{display:flex;align-items:center;gap:9px;height:44px;padding:0 14px;border-radius:11px;
  background:var(--panel);border:1px solid transparent}
.inp:focus-within{background:var(--white);border-color:var(--tint-line);box-shadow:0 0 0 3px rgba(27,58,41,.07)}
.inp input{flex:1;min-width:0;border:0;outline:none;background:none;font:inherit;font-size:14px;color:var(--ink)}
.inp input::placeholder{color:var(--muted-2)}
.inp .pre{font-size:14px;color:var(--muted);padding-right:9px;border-right:1px solid var(--line)}
.inp .eye{color:var(--muted-2);cursor:pointer}
.code-row{display:flex;gap:10px}
.code-row .inp{flex:1}
.code-btn{flex:none;height:44px;padding:0 16px;border-radius:11px;background:var(--panel);
  font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap}
.code-btn:hover{background:var(--tint);color:var(--green)}
.hint{font-size:12.3px;color:var(--muted);margin:0 0 8px}
.agree{font-size:12.3px;color:var(--muted);margin:0 0 18px;line-height:1.7}
.agree a{color:var(--green-2);font-weight:600}
.sub-btn{width:100%;height:46px;border-radius:12px;background:var(--green);color:#F2EFE6;
  font-size:14.5px;font-weight:600;display:grid;place-items:center}
.sub-btn:hover{background:var(--green-2)}
.sub-btn.ghost{background:var(--white);border:1px solid var(--line);color:var(--ink);margin-top:10px}
.sub-btn.ghost:hover{border-color:var(--tint-line);background:var(--panel)}
.card-foot{display:flex;margin-top:14px}
.card-foot .sp{flex:1}
.card-foot a{font-size:12.5px;color:var(--green-2);font-weight:600}
/* 已登录检测 / 登录成功 */
.mid-card{text-align:center;padding:34px 26px 26px}
.big-av{width:64px;height:64px;border-radius:50%;background:var(--green);color:#F2EFE6;display:grid;place-items:center;
  font-size:24px;font-weight:600;margin:0 auto 18px}
.mid-card .lab{font-size:13px;color:var(--muted)}
.mid-card .phone{font-family:var(--serif);font-size:27px;font-weight:600;margin:5px 0 6px}
.mid-card .tip{font-size:12.8px;color:var(--muted);margin:0 0 22px}
.hand{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:20px}
.hand .b{width:60px;height:60px;border-radius:16px;display:grid;place-items:center;border:1px solid var(--line);background:var(--panel)}
.hand .b.g{background:var(--tint);border-color:var(--tint-line);color:var(--green)}
.hand .dots{flex:none;color:var(--green);display:flex;align-items:center;gap:5px}
.hand .dots i{width:4px;height:4px;border-radius:50%;background:var(--tint-line);display:block}
.done-t{font-family:var(--serif);font-size:26px;font-weight:600;margin:0 0 6px}

@media(max-width:900px){
  .auth{grid-template-columns:1fr;gap:28px;padding-top:34px;padding-bottom:40px}
  .auth-l{display:none}
  .diff,#diff1,#diff2,#diff3,#diff4{grid-template-columns:1fr;gap:26px}
  .con{grid-template-columns:1fr;gap:0;padding:0 16px}
  /* 栅格项默认 min-width:auto，会被最宽的目录按钮撑破视口 —— 必须显式归零 */
  .con>*{min-width:0}
  .con-nav{position:static;flex-direction:row;overflow:auto;gap:6px;padding-bottom:6px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none}
  .con-nav::-webkit-scrollbar{display:none}
  .con-nav button{flex:none;white-space:nowrap}
  .hero h1{font-size:36px}
  .foot-in{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr}
  .nav-links{display:none}
  .uc{grid-template-columns:1fr}
  .sum4{grid-template-columns:1fr 1fr}
  .oss{grid-template-columns:1fr}
  .qs{grid-template-columns:1fr}
  .hp-shot-body{grid-template-columns:1fr}
  .hp-shot-pdf{border-right:0;border-bottom:1px solid var(--line-2)}
  .wf-flow{flex-wrap:wrap;justify-content:center;gap:18px 0}
  .wf-arr{display:none}
  .frame{padding:26px 18px 18px;min-height:0}
}
@media(max-width:760px){
  .cmd code{font-size:12.5px}
  .sum4{grid-template-columns:1fr;margin-bottom:44px}
  .hero{padding:72px 0 64px}
  .hero p{font-size:14.5px}
  .oss-actions{justify-content:center;flex-wrap:wrap}
}
/* 顶栏收缩：草稿写的是账号页的 #navAuth / #navUser，营销页对应 .js-login / #navAcc */
@media(max-width:600px){
  .nav-in{gap:8px;padding:0 14px}
  .nav-act{gap:6px}
  .nav .logo{white-space:nowrap;flex-shrink:0;gap:6px}
  .nav .logo span{max-width:100px;overflow:hidden;text-overflow:ellipsis}
  .nav .lang{padding:2px}
  .nav .lang-b{white-space:nowrap;padding:6px;font-size:12px}
  .nav .ghost{white-space:nowrap;max-width:102px;overflow:hidden;text-overflow:ellipsis;font-size:12px}
  #navAcc .acc-b span{max-width:88px;overflow:hidden;text-overflow:ellipsis}
  .wrap{padding:0 16px}
  .band{padding:48px 0}
  .sec-t{font-size:24px}
  .dtext h2{font-size:24px}
  .wf-t,.faq-t{font-size:23px}
  .foot-in{grid-template-columns:1fr}
  .dl-split{width:100%}
  .dl-split .dl-main{flex:1;min-width:0;justify-content:center;padding:0 14px;font-size:13px}
  .oss-start{width:100%}
  .oss-start .cmd{width:100%}
  .hp-tools{margin-left:0}
}
@media(max-width:480px){
  .oss-actions .quick-download{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .gh-big{justify-content:center}
  .cmd{width:100%;justify-content:space-between}
}

/* 2026-09-20：共享内容页顶部统一为 0919 首页设计稿导航。 */
.nav{
  height:60px;
  background:rgba(250,248,244,.94);
  border-bottom-color:rgba(44,85,69,.14);
  box-shadow:none;
}
.nav-in{height:59px;gap:26px}
.nav .logo{gap:8px;flex:none;letter-spacing:0}
.nav .logo .seed-mark{display:block;width:calc(var(--brand-wordmark-width) * 279.37 / 2375.76 * 174 / 134);height:auto;object-fit:contain;flex:none}
.nav .logo{--brand-wordmark-width:180px}.nav .logo .nav-wordmark-svg{display:block;width:var(--brand-wordmark-width);height:auto;object-fit:contain;flex:none}
.nav-links{gap:28px;font-size:14px;color:#4d514d}
.nav-links>a,.nav-links>.ndrop>a{position:relative;padding:7px 1px;transition:color .18s ease}
.nav-links>a::after,.nav-links>.ndrop>a::after{
  content:"";position:absolute;left:1px;right:1px;bottom:2px;height:1px;background:var(--green);
  transform:scaleX(0);transform-origin:center;opacity:.65;transition:transform .18s ease
}
.nav-links>a:hover,.nav-links>.ndrop>a:hover{color:var(--green);transform:none}
.nav-links>a:hover::after,.nav-links>a:focus-visible::after,
.nav-links>.ndrop>a:hover::after,.nav-links>.ndrop>a:focus-visible::after{transform:scaleX(1)}
.nav-act{gap:9px}
#navAuth{display:flex;align-items:center;gap:18px}
#navAuth .site-login{padding:8px 0;color:#4d514d;font-size:14px;line-height:1}
#navAuth .site-login:hover{color:var(--green)}
#navAuth .site-download{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 24px;
  border:1px solid #e5e8e3;border-radius:999px;background:rgba(255,255,255,.78);
  box-shadow:0 8px 24px rgba(38,55,45,.07);color:#505450;font-size:14px;line-height:1;
  transition:background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease
}
#navAuth .site-download:hover{background:#fff;border-color:#cfd8d1;box-shadow:0 10px 28px rgba(38,55,45,.11);color:var(--green)}
.nav-act>.lang{position:relative;display:block;padding:0;border:0;border-radius:0;background:transparent}
.nav-act .lang-b{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 4px;border-radius:8px;color:#4d514d;font-size:14px}
.nav-act .lang-b:hover,.nav-act .lang.open .lang-b{color:var(--green);background:rgba(255,255,255,.66)}
.lang-m{position:absolute;top:calc(100% + 8px);right:0;z-index:130;display:none;min-width:128px;padding:6px;
  border:1px solid var(--line);border-radius:11px;background:var(--white);box-shadow:0 10px 28px rgba(38,35,24,.14)}
.lang.open .lang-m{display:block}
.lang-m button{display:flex;align-items:center;width:100%;padding:8px 10px;border-radius:8px;color:var(--ink-2);font-size:13px;text-align:left}
.lang-m button:hover{background:var(--panel);color:var(--green)}
.lang-m button::after{content:"";width:15px;margin-left:auto;color:var(--green);text-align:center}
.lang-m button.on::after{content:"✓"}
.nd-qr .qr{display:block;object-fit:contain;background:#fff}
@media(prefers-reduced-motion:reduce){.nav-links>a,.nav-links>a::after,.nav-links>.ndrop>a,.nav-links>.ndrop>a::after{transition:none}}
@media(max-width:1100px){
  .nav-in{gap:18px}.nav-links{gap:18px}#navAuth{gap:12px}
  #navAuth .site-download{padding:0 16px}
}
@media(max-width:900px){.nav-links{display:none}}
@media(max-width:600px){
  .nav{height:54px}.nav-in{height:53px;padding:0 14px;gap:8px}
  .nav .logo{--brand-wordmark-width:145px}.nav .logo .nav-wordmark-svg{width:var(--brand-wordmark-width);}
  .nav-act .lang-b{font-size:12px;gap:4px}.nav-act .lang-b .ic:first-child{display:none}
  #navAuth{gap:9px}#navAuth .site-login{font-size:13px}
  #navAuth .site-download{height:34px;padding:0 14px;font-size:13px}
}
@media(max-width:430px){
  .nav .logo{--brand-wordmark-width:122px}.nav .logo .nav-wordmark-svg{width:var(--brand-wordmark-width);}
  #navAuth .site-login{display:none}
  #navAuth .site-download{padding:0 12px}
}

/* 登录态头像：所有官网页面统一为浅色 34px 圆形，不展示手机号。 */
#navAuth .site-avatar{
  display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.78);border:1px solid #e5e8e3;color:#2c5545;
  font-size:14px;font-weight:700;line-height:1;text-decoration:none;transition:background .2s
}
#navAuth .site-avatar:hover{background:#fff}
#navAuth .site-avatar:focus-visible{outline:2px solid #5c8065;outline-offset:3px}

/* 顶部语言切换：中英文固定同宽，所有官网页面使用同一视觉和交互状态。 */
.nav-act>.lang{position:relative!important;display:block!important;width:92px!important;height:36px!important;padding:0!important;border:0!important;border-radius:0!important;background:transparent!important}
.nav-act .lang-b{
  display:inline-flex!important;align-items:center!important;justify-content:center!important;
  width:92px!important;min-width:92px!important;height:36px!important;padding:0 8px!important;
  gap:6px!important;font-size:14px!important;font-weight:400!important;line-height:1!important;
  color:#4d514d!important;background:transparent!important;border:0!important;border-radius:8px!important;box-shadow:none!important
}
.nav-act .lang-b:hover,.nav-act .lang.open .lang-b{background:rgba(255,255,255,.66)!important;color:#2c5545!important}
.nav-act .lang-b #langNow{display:inline-block;width:45px;text-align:center;white-space:nowrap}
.nav-act .lang-b>.ic{display:inline-flex!important;align-items:center!important;justify-content:center!important;flex:0 0 auto}
.nav-act .lang-b>.ic:first-child{width:16px!important;height:16px!important}
.nav-act .lang-b>.lang-chevron{width:13px!important;height:13px!important;transition:transform .18s ease}
.nav-act .lang.open .lang-chevron{transform:rotate(180deg)}
.nav-act .lang-m{
  position:absolute!important;display:none!important;top:44px!important;right:0!important;left:auto!important;
  width:136px!important;min-width:136px!important;padding:6px!important;border:1px solid #d8d0c1!important;
  border-radius:11px!important;background:#fbfaf6!important;box-shadow:0 10px 28px rgba(38,35,24,.14)!important;z-index:130!important
}
.nav-act .lang.open .lang-m{display:block!important}
.nav-act .lang-m button{
  display:flex!important;align-items:center!important;width:100%!important;height:34px!important;padding:0 10px!important;
  border-radius:8px!important;color:#4d514b!important;font-size:13px!important;font-weight:400!important;text-align:left!important
}
.nav-act .lang-m button:hover{background:#ece6d9!important;color:#2c5545!important}
.nav-act .lang-m button.on{background:#e6eee9!important;color:#2c5545!important;font-weight:600!important}
@media(max-width:600px){
  .nav-act>.lang{width:82px!important;height:34px!important}
  .nav-act .lang-b{width:82px!important;min-width:82px!important;height:34px!important;padding:0 6px!important;font-size:12px!important;gap:4px!important}
  .nav-act .lang-b #langNow{width:42px}
  .nav-act .lang-b>.ic:first-child{display:none!important}
  .nav-act .lang-m{top:42px!important}
}

/* 顶部品牌与首个导航项间距：内容页对齐 0919 首页设计稿。 */
.nav .nav-in{max-width:1256px!important;padding-left:36px!important;padding-right:36px!important;gap:26px!important}
.nav .nav-links{margin-left:36px!important;gap:26px!important}
@media(max-width:1100px){
  .nav .nav-in{gap:18px!important}
  .nav .nav-links{margin-left:20px!important;gap:17px!important}
}
@media(max-width:600px){
  .nav .nav-in{padding-left:14px!important;padding-right:14px!important;gap:8px!important}
  .nav .nav-links{margin-left:0!important}
}

/* 下载页：统一白色卡片、灰色说明与品牌绿操作。 */
body[data-page="download"]{background:#fbfaf7}
.download-page{--download-line:#e3e4df;--download-muted:#777b75;--download-ink:#303630;--download-green:#2c5545;max-width:1184px;margin:0 auto;padding:64px 32px 88px;color:var(--download-ink)}
.download-hero{text-align:center;margin:0 auto 48px}
.download-hero .download-brand{--brand-wordmark-width:320px;display:flex;align-items:center;justify-content:center;gap:15px;margin:12px 0 24px;line-height:1}
.download-brand img{object-fit:contain}
.download-brand-mark{width:calc(var(--brand-wordmark-width) * 279.37 / 2375.76 * 174 / 134);height:auto;flex:none}
.download-brand-wordmark{width:var(--brand-wordmark-width);height:auto}
.download-hero p{font-size:17px;color:var(--download-muted);margin:0}
.download-release{padding:30px;background:#fff;border:1px solid var(--download-line);border-radius:24px}
.download-release-heading{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.download-beta{display:inline-flex;flex:none;padding:3px 7px;border:1px solid #d6dfd5;border-radius:5px;background:#edf2ec;color:#6c866c;font-size:11px;font-weight:500;line-height:1.3;letter-spacing:.04em}
.download-release-top h2{font-size:23px;line-height:1.4;margin:0;font-weight:650}
.download-choice{margin:20px 0 23px}
.download-choice>p{margin:0;color:var(--download-muted);font-size:14px}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.download-platform{display:flex;flex-direction:column;padding:25px 24px 22px;background:#fff;border:1px solid var(--download-line);border-radius:18px;transition:background .2s,border-color .2s}
.download-platform:hover{background:#f7f8f5;border-color:#aebbb0}
.download-platform-icons{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px;color:var(--download-ink)}
.download-platform-icons>.ic:last-child{color:var(--download-muted)}
.download-os{font-size:13px;color:var(--download-muted)}
.download-platform h3{font-size:22px;line-height:1.35;margin:6px 0 10px;font-weight:600}
.download-platform p{font-size:13px;color:var(--download-muted);margin:0 0 22px;flex:1}
.download-action{font-size:13px;font-weight:600;color:var(--download-green)}
.download-npx{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:36px;margin-top:22px;padding:30px 32px;background:#fff;border:1px solid var(--download-line);border-radius:22px}
.download-eyebrow{color:var(--download-muted);font-size:12px;font-weight:600;letter-spacing:.08em}
.download-npx h2{font-size:24px;font-weight:600;line-height:1.3;margin:7px 0 10px;color:var(--download-ink)}
.download-npx-copy>p{font-size:14px;color:var(--download-muted);margin:0}
.download-command{min-width:0}
.download-command .cmd{display:flex;width:100%;justify-content:space-between;gap:12px;background:#f7f8f5;border:1px solid var(--download-line);border-radius:12px;padding:16px;margin:0}
.download-command code{font:13px/1.6 var(--mono);color:var(--download-ink);white-space:normal;overflow-wrap:anywhere;min-width:0}
.download-command code::before{color:var(--download-muted)}
.download-command .cmd-copy{display:flex;align-items:center;gap:6px;flex:none;color:var(--download-green);font-size:12px;background:transparent}
.download-command .cmd-copy:hover,.download-command .cmd-copy.ok{background:#e8ede7;color:var(--download-green)}
.download-command .cmd-copy.bad{background:#f5e7e5;color:var(--red)}
.download-page a:focus-visible,.download-page button:focus-visible{outline:2px solid var(--download-green);outline-offset:4px}
@media(max-width:900px){.download-grid{gap:12px}.download-platform{padding:20px 16px}.download-platform h3{font-size:20px}.download-npx{grid-template-columns:1fr;gap:22px}}
@media(max-width:600px){.download-page{padding:38px 16px 56px}.download-hero{margin-bottom:30px}.download-hero p{font-size:14px}.download-hero .download-brand{--brand-wordmark-width:min(250px,calc((100vw - 44px) / 1.152694));gap:12px}.download-release{padding:22px 18px}.download-release-top h2{font-size:20px}.download-grid{grid-template-columns:1fr}.download-platform{padding:22px}.download-platform-icons{margin-bottom:16px}.download-platform p{margin-bottom:15px}.download-npx{padding:24px 20px}}

/* 下载页沿用首页的简洁深绿色页尾。 */
.download-footer{background:var(--app);color:var(--muted);border-top:1px solid var(--line-2)}
.download-footer-inner{max-width:1184px;margin:0 auto;padding:24px 32px 12px;display:flex;align-items:center;flex-wrap:wrap;gap:14px 26px;font-size:13px;line-height:1.7}
.download-footer-inner>span,.download-footer-inner>a{white-space:nowrap}
.download-footer-contact{position:relative;min-width:0}
.download-footer-contact button{padding:0;font:inherit;color:inherit;text-align:left;overflow-wrap:anywhere}
.download-footer a:hover,.download-footer button:hover{color:var(--green-2)}
.download-footer a:focus-visible,.download-footer button:focus-visible{outline:2px solid var(--green-3);outline-offset:4px}
.download-footer .copy-tip{position:absolute;left:0;bottom:100%;font-size:12px;color:#fff;background:#2c5545;border-radius:6px}
.download-footer .copy-tip:not(:empty){padding:3px 8px}
@media(max-width:600px){.download-footer-inner{padding:22px 20px;gap:10px 20px;font-size:12px}.download-footer-inner>.download-footer-contact{width:100%;white-space:normal}}
.download-footer-legal-in{max-width:1184px;margin:0 auto;padding:0 32px 26px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 24px;font-size:12px;color:var(--muted)}
.download-footer-beian{display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px}
.download-footer-beian a{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
@media(max-width:600px){.download-footer-legal-in{padding:0 20px 22px;gap:8px 16px}}
/* 更新日志内容较少时，页尾仍落在视口底部。 */
body[data-page="changelog"]{min-height:100vh;display:flex;flex-direction:column}
body[data-page="changelog"]>.download-footer{margin-top:auto}

/* 移动端顶栏导航：≤900px 不再隐藏 .nav-links，改为整行横向可滚动条 —— 与首页
   homepage/index.html（@media(max-width:900px) 的 body:not(.site-auth)>.nav .nav-links）同一套方案，
   保持全站一致。放在文件末尾、用 body>.nav 高特异性 + !important，覆盖上方
   .nav .nav-links{margin-left:36px!important}（顶部品牌间距块）与 .nav-links{display:none}（900px 块）。 */
@media(max-width:900px){
  /* nav 固定高度（60/54px）装不下两层 nav-in，底边线会横穿导航条；撑开 nav。 */
  body>.nav{height:auto!important;min-height:60px}
  body>.nav>.nav-in{height:auto;min-height:60px;flex-wrap:wrap;row-gap:0;padding-bottom:8px}
  body>.nav .nav-links{display:flex!important;order:3;width:100%;margin-left:0!important;gap:20px;overflow-x:auto;white-space:nowrap;padding-top:4px;scrollbar-width:none}
  body>.nav .nav-links::-webkit-scrollbar{display:none}
  body>.nav .nav-links a,body>.nav .nav-links .ndrop>a{flex:none;font-size:13px!important}
}

/* User guide: readable steps, original screenshots and narrow-screen tables. */
.con.doc .doc-sec h3{font-size:17px;line-height:1.5;margin:30px 0 12px;scroll-margin-top:90px}
.con.doc .doc-sec h4{font-size:15px;line-height:1.5;margin:0}
.con.doc .doc-p{margin:12px 0;overflow-wrap:anywhere}
.con.doc .qs-c .doc-p{margin:0}
.con.doc .qs-c{min-width:0}
.con.doc .cmd{min-width:0;max-width:100%;flex-wrap:wrap}
.con.doc .cmd code{overflow-wrap:anywhere;white-space:normal}
.doc-list{padding-left:22px;color:var(--ink-2);font-size:14px;line-height:1.9}
.doc-figure{margin:22px 0 28px}
.doc-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:var(--white)}
.doc-figure figcaption{margin-top:9px;text-align:center;color:var(--ink-2);font-size:12px;line-height:1.6}
.doc-table-wrap{overflow-x:auto;margin:18px 0}
.doc-table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.8;color:var(--ink-2)}
.doc-table th,.doc-table td{padding:12px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.doc-table th{font-weight:600;color:var(--ink)}
.doc-table td:first-child{width:25%;min-width:110px}
.con.doc .doc-p a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
@media(max-width:600px){.con.doc .doc-sec h3{margin-top:25px}.doc-table th,.doc-table td{padding:10px 8px}.doc-figure{margin:18px 0 24px}}


/* Three-column guide: articles at left, full article in center, headings at right. */
/* 整页文档滚动：外壳不定高、不裁切，页脚因此落在内容末尾而不是常驻视口底部；
   左栏目录靠 sticky 跟随（祖先链上任何 overflow 都会废掉 sticky，故此处一律 visible）。 */
.con.doc{max-width:1640px;grid-template-columns:250px minmax(0,1fr) 210px;gap:42px;min-height:calc(100vh - 100px);padding:0 32px}
.con.doc .con-side{padding:32px 0;border:0}
.con.doc .con-nav{position:sticky;top:82px;display:block;max-height:calc(100vh - 100px);overflow-y:auto;white-space:normal}
.con.doc .con-main{min-width:0;max-width:none;padding:32px 8px 70px 0}
.con.doc [hidden]{display:none!important}
.con.doc .con-hd{margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.con.doc .con-hd h1{font-size:14px;font-weight:500;color:var(--muted)}
.con.doc .con-hd>p{display:none}
.doc-folder{margin:0 0 25px}
.doc-group-label{display:flex;align-items:center;gap:8px;padding:0 9px 9px;font-size:12px;letter-spacing:.04em;color:var(--muted)}
.doc-group-label .ic{display:inline-flex;flex:none}
.doc-file{display:block;padding:9px 12px;border-radius:7px;font-size:14px;line-height:1.6;color:var(--ink-2);text-decoration:none}
.doc-file:hover{background:var(--panel)}
.doc-file[aria-current=page]{background:var(--tint);color:var(--green);font-weight:600}
.doc-file:focus-visible,.doc-toc a:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.con.doc .doc-sec{border:0;padding:0}
.con.doc .doc-sec h2{font-size:34px;line-height:1.35;margin-bottom:22px}
.con.doc .doc-sec h3{font-size:22px;margin:40px 0 16px}
.con.doc .doc-p,.con.doc .doc-list{font-size:15px;line-height:1.9}
.doc-toc{min-width:0;overflow:auto;padding:35px 0;color:var(--muted)}
.doc-toc-title{font-size:12px;letter-spacing:.04em;margin-bottom:16px}
.doc-toc a{display:block;padding:7px 0;font-size:13px;line-height:1.7;color:var(--ink-2);text-decoration:none}
.doc-toc a:hover,.doc-toc a[aria-current=location]{color:var(--green)}
.doc-toc a[aria-current=location]{font-weight:600}
@media(max-width:1100px){.con.doc{grid-template-columns:200px minmax(0,1fr) 160px;gap:24px;padding:0 20px}}
@media(max-width:800px){.con.doc{grid-template-columns:180px minmax(0,1fr);gap:20px}.doc-toc{display:none}}
@media(max-width:600px){.con.doc{grid-template-columns:135px minmax(0,1fr);gap:16px;padding:0 12px}.doc-group-label{padding-left:0;font-size:11px;gap:5px}.doc-file{font-size:12px;padding:8px}.con.doc .con-main{padding-right:0}.con.doc .doc-sec h2{font-size:26px}.con.doc .doc-sec h3{font-size:19px}.con.doc .qs{grid-template-columns:1fr}}

/* Collapsible section navigation lives entirely in the left column. */
.con.doc{grid-template-columns:280px minmax(0,1fr);max-width:1360px}
.doc-folder{margin:4px 0}
.doc-group-label{cursor:pointer;font-size:14px;color:var(--ink-2);padding:10px 8px;border-radius:7px;letter-spacing:0;list-style:none}
.doc-group-label::-webkit-details-marker{display:none}
.doc-group-label:before{content:'›';width:12px;flex:none;font-size:18px;line-height:1}
.doc-folder[open]>.doc-group-label:before{transform:rotate(90deg)}
.doc-group-label:hover{background:var(--panel)}
.doc-group-label[aria-current=page]{background:var(--tint);color:var(--green);font-weight:600}
.doc-section-links{margin:5px 0 12px 14px;padding-left:13px;border-left:1px solid var(--line)}
.doc-section-links a{display:block;padding:7px 10px;font-size:13px;line-height:1.65;color:var(--ink-2);text-decoration:none;border-radius:5px}
.doc-section-links a:hover{background:var(--panel)}
.doc-section-links a[aria-current=location]{color:var(--green);font-weight:600}
.doc-group-label:focus-visible,.doc-section-links a:focus-visible{outline:2px solid var(--green);outline-offset:2px}
@media(max-width:800px){.con.doc{grid-template-columns:210px minmax(0,1fr)}}
@media(max-width:600px){.con.doc{grid-template-columns:145px minmax(0,1fr)}.doc-group-label{font-size:12px;gap:4px;padding:8px 3px}.doc-section-links{margin-left:7px;padding-left:5px}.doc-section-links a{font-size:12px;padding:7px 4px}}

.con.doc blockquote{margin:18px 0;padding:14px 18px;border-left:3px solid var(--green);background:var(--panel);line-height:1.85;font-size:15px}.con.doc .codeblock{padding:18px;background:var(--panel);border-radius:8px}.con.doc .codeblock pre{overflow:auto}.con.doc .codeblock .copy{display:none}

.doc-nav-group{margin:0 0 18px}.doc-category{display:flex;gap:8px;align-items:center;font-size:13px;font-weight:600;color:var(--muted);padding:8px 3px;cursor:default;list-style:none}.doc-category::-webkit-details-marker{display:none}.doc-category-items{margin-left:8px}.doc-category-items .doc-group-label{font-size:13px;font-weight:400}.doc-category-items .doc-group-label[aria-current=page]{font-weight:600}

/* Compact article rows; category and section spacing stays unchanged. */
.doc-category-items .doc-folder{margin:2px 0}
.doc-category-items .doc-group-label{padding-top:5px;padding-bottom:5px}

/* Manual fenced commands use a code panel, independent of homepage pills. */
.con.doc .cmd{display:block;position:relative;width:100%;height:auto;min-height:64px;margin:16px 0 24px;padding:20px 76px 20px 20px;border-radius:10px;background:#14261B;border:1px solid #0E1C13}
.con.doc .cmd pre{margin:0;min-width:0;max-width:100%;overflow-x:auto;white-space:pre;tab-size:2}
.con.doc .cmd pre code{display:block;padding:0;background:none;font:13.5px/1.75 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#F7F5EE;white-space:pre;overflow-wrap:normal;word-break:normal}
.con.doc .cmd pre code::before{content:none}
.con.doc .cmd .cmd-copy{position:absolute;top:16px;right:12px;display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:32px;padding:0 8px;border-radius:6px;cursor:pointer}
.con.doc .cmd .cmd-copy:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
@media(max-width:600px){.con.doc .cmd{padding-left:14px;padding-right:62px}.con.doc .cmd pre code{font-size:12.5px}}