/* ===================== Theme tokens ===================== */
:root{
  --bg:#07080a;
  --bg-alt:#0a0c10;
  --panel:rgba(255,255,255,.026);
  --panel-2:rgba(255,255,255,.045);
  --border:rgba(255,255,255,.09);
  --border-strong:rgba(255,255,255,.16);
  --text:#e9ebee;
  --text-dim:#a6afba;
  --muted:#78828e;
  --accent:#ff8a3d;
  --accent-soft:rgba(255,138,61,.13);
  --accent-2:#ffc247;
  --warn:#f5b544;
  --radius:14px;
  --radius-sm:10px;
  --maxw:1180px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,Helvetica,Arial,sans-serif;
}
html[data-theme="light"]{
  --bg:#fbfcfd;
  --bg-alt:#f4f6f8;
  --panel:#ffffff;
  --panel-2:#ffffff;
  --border:rgba(9,14,22,.1);
  --border-strong:rgba(9,14,22,.18);
  --text:#0d1117;
  --text-dim:#414c58;
  --muted:#6a7684;
  --accent:#e56a0c;
  --accent-soft:rgba(229,106,12,.1);
  --accent-2:#d97706;
  --warn:#b7791f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;overflow-x:clip}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--sans);font-size:15px;line-height:1.68;
  -webkit-font-smoothing:antialiased;
  transition:background .3s ease,color .3s ease;
}
a{color:inherit;text-decoration:none}
code{font-family:var(--mono);font-size:.86em}
h1,h2,h3,h4,h5{line-height:1.25;margin:0;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container-narrow{max-width:860px}

/* ===================== Scroll progress ===================== */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:transparent}
.scroll-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .1s linear}

/* ===================== Nav ===================== */
.nav{
  position:sticky;top:0;z-index:100;
  background:color-mix(in srgb,var(--bg) 78%,transparent);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid transparent;transition:border-color .25s ease,background .25s ease;
}
.nav.scrolled{border-bottom-color:var(--border)}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;height:62px;
  display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:9px;display:block}
.brand-text{display:flex;flex-direction:column;font-weight:680;font-size:21px;letter-spacing:-.025em;line-height:1.1}
.brand-name{white-space:nowrap}
.brand-b{color:var(--text)}
.brand-s{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:22px;margin-right:auto}
.nav-links a{
  font-size:13.5px;color:var(--text-dim);position:relative;padding:4px 0;transition:color .2s;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;
  background:var(--accent);transition:right .25s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-links a.active{color:var(--text)}
.nav-actions{display:flex;align-items:center;gap:10px}
.lang-switch{
  display:flex;align-items:center;gap:4px;background:var(--panel);border:1px solid var(--border);
  color:var(--muted);border-radius:999px;padding:4px 10px;cursor:pointer;font-size:12.5px;
  font-family:var(--sans);transition:all .2s;
}
.lang-switch:hover{border-color:var(--border-strong)}
.lang-opt{transition:color .2s}
.lang-opt.active{color:var(--text);font-weight:600}
.lang-sep{opacity:.4}
.icon-btn{
  width:32px;height:32px;display:grid;place-items:center;border-radius:9px;cursor:pointer;
  background:var(--panel);border:1px solid var(--border);color:var(--text-dim);transition:all .2s;
}
.icon-btn:hover{color:var(--text);border-color:var(--border-strong)}
.icon-moon{display:none}
html[data-theme="light"] .icon-sun{display:none}
html[data-theme="light"] .icon-moon{display:block}
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:9px;
  font-size:13.5px;font-weight:550;cursor:pointer;border:1px solid transparent;transition:all .2s;white-space:nowrap;
}
.btn-primary{background:var(--text);color:var(--bg);border-color:var(--text)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,0,0,.28)}
.btn-ghost{background:var(--panel);border-color:var(--border);color:var(--text-dim)}
.btn-ghost:hover{color:var(--text);border-color:var(--border-strong);background:var(--panel-2)}

/* GitHub Star 按钮 */
.nav-github{gap:8px;padding:7px 12px}
.nav-github .gh-mark{flex-shrink:0}
.gh-divider{width:1px;height:14px;background:var(--border-strong);opacity:.7}
/* Star 图标：与蓝点同款呼吸 + 光晕扩散 */
.gh-star{
  color:var(--accent);flex-shrink:0;
  animation:bskStarPulse 2.4s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes bskStarPulse{
  0%,100%{transform:scale(1);filter:drop-shadow(0 0 0 rgba(255,138,61,0))}
  50%{transform:scale(1.18);filter:drop-shadow(0 0 4px rgba(255,138,61,.7))}
}
@media (prefers-reduced-motion:reduce){
  .gh-star{animation:none}
}
.gh-count{
  font-family:var(--mono);font-size:12.5px;font-weight:600;
  color:var(--text);line-height:1.5;letter-spacing:0;
}
.gh-count.loading{color:var(--muted);font-weight:400}
.gh-count.error{color:var(--muted);font-weight:400}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:18px;height:1.8px;background:var(--text);border-radius:2px;transition:.25s}

/* ===================== Hero ===================== */
/* 首屏完整占一屏，垂直居中：内容精简后留白变成刻意的呼吸感 */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 92px;
  display:flex;align-items:center;
  min-height:calc(100vh - 62px);
}
@supports (min-height:100svh){.hero{min-height:calc(100svh - 62px)}}
/* 向下滚动提示 */
.hero-scroll{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);pointer-events:none}
.hero-scroll-line{
  display:block;width:1px;height:42px;transform-origin:top;
  background:linear-gradient(180deg,transparent,var(--border-strong));
  animation:bskScrollHint 2.4s cubic-bezier(.4,0,.2,1) infinite;
}
@keyframes bskScrollHint{
  0%{transform:scaleY(.15);opacity:0}
  30%{opacity:1}
  100%{transform:scaleY(1);opacity:0}
}
@media (prefers-reduced-motion:reduce){
  .hero-scroll-line{animation:none;opacity:.45}
}
.hero-glow{
  position:absolute;top:-280px;left:50%;transform:translateX(-50%);
  width:900px;height:560px;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(255,138,61,.16),transparent 62%);
  filter:blur(30px);
}
html[data-theme="light"] .hero-glow{background:radial-gradient(ellipse at center,rgba(229,106,12,.12),transparent 62%)}
.hero-inner{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:5px 13px;border-radius:999px;
  border:1px solid var(--border);background:var(--panel);font-size:12.5px;color:var(--text-dim);
  margin-bottom:26px;transition:all .2s;
}
.pill:hover{border-color:var(--border-strong);color:var(--text)}
/* 腾讯蓝，固定色，不随深浅主题变化；带呼吸 + 扩散光晕动效 */
.pill-dot{
  width:7px;height:7px;border-radius:50%;background:#0052d9;
  box-shadow:0 0 0 3px rgba(0,82,217,.18);
  animation:bskDotPulse 2.4s cubic-bezier(.4,0,.2,1) infinite;
}
.pill-dot::after{
  content:"";position:absolute;inset:-3px;border-radius:50%;
  border:1.5px solid rgba(0,82,217,.55);
  animation:bskDotRipple 2.4s cubic-bezier(.4,0,.2,1) infinite;
}
.pill-dot{position:relative}
@keyframes bskDotPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(0,82,217,.18);transform:scale(1)}
  50%{box-shadow:0 0 0 5px rgba(0,82,217,.28);transform:scale(1.12)}
}
@keyframes bskDotRipple{
  0%{transform:scale(.7);opacity:.75}
  70%{transform:scale(2.1);opacity:0}
  100%{transform:scale(2.1);opacity:0}
}
@media (prefers-reduced-motion:reduce){
  .pill-dot,.pill-dot::after{animation:none}
}
.pill-arrow{opacity:.5}
.hero-title{
  font-size:clamp(34px,5.6vw,60px);font-weight:700;letter-spacing:-.035em;
  display:flex;flex-direction:column;gap:4px;margin-bottom:22px;
}
.grad{
  background:linear-gradient(100deg,var(--accent) 8%,var(--accent-2) 92%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{max-width:680px;color:var(--text-dim);font-size:16.5px}
.hero-sub code{
  font-family:var(--mono);font-size:.87em;color:var(--text);
  background:var(--panel-2);border:1px solid var(--border);
  padding:1.5px 6px;border-radius:5px;white-space:nowrap;
}
.works-with{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;
  margin-top:40px;padding-top:28px;position:relative;
}
/* 副标题与「已适配」之间的一条渐变细线，给精简后的首屏一个收口 */
.works-with::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:132px;height:1px;
  background:linear-gradient(90deg,transparent,var(--border-strong),transparent);
}
.works-with-label{font-size:12.5px;color:var(--muted)}
.works-with-list{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.ww-item{
  font-size:12px;padding:5px 11px;border-radius:999px;border:1px solid var(--border);
  color:var(--text-dim);background:var(--panel);transition:all .2s;
}
.ww-item:hover{border-color:var(--accent);color:var(--text)}

/* ===================== Sections ===================== */
.section{padding:clamp(70px,7.4vw,96px) 0;position:relative}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
html[data-theme="light"] .section-alt{background:var(--bg-alt)}
/* 相邻的同底色区块之间只保留一条分隔线，避免出现双线 */
.section-alt + .section-alt{border-top-color:transparent}
.section-head{max-width:760px;margin-bottom:clamp(36px,4vw,52px)}
.eyebrow{
  display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.section-head h2{font-size:clamp(26px,3.6vw,38px);font-weight:680;margin-bottom:14px}
.section-desc{color:var(--text-dim);font-size:15.5px}

/* grid 子项默认 min-width:auto，会被长代码行撑破布局 */
.feature-grid>*,
.mini-grid>*,
.split>*,
.steps>*,
.step>*,
.section>.container>*{min-width:0}

/* ===================== Feature cards ===================== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.feature-grid.two{grid-template-columns:repeat(2,1fr)}
.f-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:17px 18px;transition:all .25s;position:relative;overflow:hidden;
}
html[data-theme="light"] .f-card{background:#fff}
.f-card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .25s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(255,138,61,.1),transparent 60%);
}
.f-card:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.f-card:hover::before{opacity:1}
/* 图标与标题同一行，卡片更紧凑 */
.f-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.f-icon{
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex-shrink:0;
  background:var(--accent-soft);color:var(--accent);font-size:15px;line-height:1;
}
.f-card h3{font-size:14.8px;font-weight:620}
.f-card p{font-size:13.2px;color:var(--text-dim)}


/* ===================== Code blocks ===================== */
.code-block{
  background:#0d0f13;border:1px solid var(--border);border-radius:var(--radius-sm);
  overflow:hidden;position:relative;
}
html[data-theme="light"] .code-block{background:#0f1319;border-color:rgba(0,0,0,.1)}
/* 同一容器里连着排列的代码块之间留出间距，避免看起来像一个整体 */
.g-step-body-indent > .code-block + .code-block,
.ext-step-body > .code-block + .code-block{margin-top:10px}
.code-head{
  display:flex;align-items:center;justify-content:space-between;padding:8px 12px;
  border-bottom:1px solid rgba(255,255,255,.07);background:rgba(255,255,255,.022);
}
.code-label,.code-tag{font-family:var(--mono);font-size:11px;color:#7d8894;letter-spacing:.02em}
.code-tag{background:rgba(255,138,61,.13);color:#ffab63;padding:2px 8px;border-radius:5px}
.copy-btn{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#b7c0c9;
  font-size:11.5px;padding:3px 10px;border-radius:6px;cursor:pointer;font-family:var(--sans);transition:all .2s;
}
.copy-btn:hover{background:rgba(255,255,255,.12);color:#fff}
.copy-btn.done{color:var(--accent);border-color:var(--accent)}
.code-block pre{margin:0;padding:16px 16px 18px;overflow-x:auto}
.code-block code{font-family:var(--mono);font-size:12.7px;line-height:1.85;color:#dfe4ea;white-space:pre-wrap;overflow-wrap:anywhere}
/* 逐行模式下每行是块级元素，源码里的换行不再额外占高 */
.code-block.per-line code{white-space:normal}
.code-block.per-line .code-line{white-space:pre-wrap;overflow-wrap:anywhere}
.c-com{color:#5f6b78}
.c-prompt{color:var(--accent)}
.c-out{color:#9fb3c8}
/* 逐行复制：点哪行复制哪行，只对可执行命令生效 */
.code-block.per-line .code-line{
  display:block;border-radius:5px;margin:0 -6px;padding:0 6px;cursor:pointer;
  transition:background .15s,color .15s;
}
.code-block.per-line .code-line:hover{background:rgba(255,138,61,.13);color:#ffd0ab}
.code-block.per-line .code-line.line-done{background:rgba(255,138,61,.22);color:#fff}
.c-key{color:#8ab4f8}
.c-str{color:#a5e5a0}
.c-kw{color:#f0a35e}
.note{font-size:13.2px;color:var(--muted);margin-top:12px}
.note code{background:var(--panel-2);padding:1px 5px;border-radius:4px;color:var(--text-dim)}
.sub-title{font-size:17px;font-weight:640;margin-bottom:6px}
.sub-desc{font-size:13.8px;color:var(--text-dim);margin-bottom:14px}

/* ===================== Tabs ===================== */
.tabs{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.tab{
  background:var(--panel);border:1px solid var(--border);color:var(--text-dim);
  padding:6px 14px;border-radius:8px;font-size:13px;cursor:pointer;font-family:var(--sans);transition:all .2s;
}
.tab:hover{color:var(--text);border-color:var(--border-strong)}
.tab.active{background:var(--text);color:var(--bg);border-color:var(--text);font-weight:550}
html[data-theme="light"] .tab.active{color:#fff}
.tab-panel{display:none;animation:fadeIn .3s ease}
.tab-panel.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ===================== Steps ===================== */
.steps{counter-reset:s;display:grid;gap:2px;margin-bottom:44px}
.step{
  display:grid;grid-template-columns:44px 1fr;gap:18px;padding:20px;
  background:var(--panel);border:1px solid var(--border);
}
html[data-theme="light"] .step{background:#fff}
.step:first-child{border-radius:var(--radius) var(--radius) 0 0}
.step:last-child{border-radius:0 0 var(--radius) var(--radius)}
.step-n{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-family:var(--mono);font-size:12.5px;font-weight:600;
}
.step h3{font-size:15px;font-weight:620;margin-bottom:5px}
.step p{font-size:13.8px;color:var(--text-dim);margin-bottom:12px;max-width:620px}
.step .code-block{max-width:760px}

/* ===================== Split ===================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:8px}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.mini-grid.three{grid-template-columns:repeat(3,1fr)}
.mini-card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;
}
html[data-theme="light"] .mini-card{background:#fff}
.mini-card h4{font-size:14.5px;font-weight:620;margin-bottom:12px}
.mini-card ul{display:flex;flex-direction:column;gap:9px}
.mini-card li{font-size:13.2px;color:var(--text-dim);padding-left:14px;position:relative}
.mini-card li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--accent)}
.mini-card li code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:11.8px}
.prio-list{display:flex;flex-direction:column;gap:7px;margin-top:14px}
.prio-list li{display:flex;align-items:center;gap:9px;font-size:12.8px;color:var(--text-dim)}
.prio-list code{font-size:11.8px;background:var(--panel-2);padding:1px 6px;border-radius:4px}
.prio-badge{
  width:18px;height:18px;border-radius:5px;display:grid;place-items:center;flex-shrink:0;
  background:var(--panel-2);border:1px solid var(--border);font-family:var(--mono);font-size:10.5px;color:var(--muted);
}

/* ===================== Store cards & settings ===================== */
.store-links{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.store-card{
  display:flex;flex-direction:column;gap:4px;padding:18px 20px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--border);transition:all .2s;
}
html[data-theme="light"] .store-card{background:#fff}
.store-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.store-name{font-size:14.5px;font-weight:620}
.store-desc{font-size:13px;color:var(--muted)}
.settings{display:flex;flex-direction:column;gap:10px;margin-bottom:6px}
.setting{
  display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--border);
}
html[data-theme="light"] .setting{background:var(--bg-alt)}
.setting strong{display:block;font-size:13.8px;font-weight:620;margin-bottom:3px}
.setting p{font-size:12.8px;color:var(--text-dim)}
.sw{
  flex-shrink:0;font-size:11px;font-weight:600;padding:3px 9px;border-radius:6px;
  font-family:var(--mono);background:var(--accent-soft);color:var(--accent);
  border:1px solid var(--accent);line-height:1.5;
}
.sw.off{background:var(--panel-2);color:var(--muted);border-color:var(--border)}

/* ===================== Command table ===================== */
.cmd-toolbar{display:flex;flex-direction:column;gap:14px;margin-bottom:20px}
.search-box{
  display:flex;align-items:center;gap:9px;padding:9px 14px;border-radius:10px;
  background:var(--panel);border:1px solid var(--border);color:var(--muted);max-width:460px;
}
html[data-theme="light"] .search-box{background:#fff}
.search-box:focus-within{border-color:var(--accent)}
.search-box input{
  flex:1;background:none;border:none;outline:none;color:var(--text);font-size:13.5px;font-family:var(--sans);
}
.search-box input::placeholder{color:var(--muted)}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{
  padding:5px 12px;border-radius:999px;border:1px solid var(--border);background:var(--panel);
  color:var(--text-dim);font-size:12.5px;cursor:pointer;transition:all .2s;font-family:var(--sans);
}
.chip:hover{border-color:var(--border-strong);color:var(--text)}
.chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}
.cmd-table-wrap{
  border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);
  overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;
}
html[data-theme="light"] .cmd-table-wrap{background:#fff}
.cmd-table{width:100%;border-collapse:collapse}
.cmd-table th{
  text-align:left;padding:11px 18px;font-size:12px;font-weight:600;color:var(--muted);
  border-bottom:1px solid var(--border);background:var(--panel-2);text-transform:uppercase;letter-spacing:.06em;
}
.cmd-table td{padding:11px 18px;font-size:13.4px;border-bottom:1px solid var(--border);vertical-align:top}
.cmd-table tr:last-child td{border-bottom:none}
.cmd-table tr:hover td{background:var(--panel-2)}
.cmd-table td:first-child{
  font-family:var(--mono);font-size:12.4px;color:var(--accent);white-space:nowrap;width:38%;
}
html[data-theme="light"] .cmd-table td:first-child{color:var(--accent)}
.cmd-table td:last-child{color:var(--text-dim)}
.cmd-empty{padding:28px;text-align:center;color:var(--muted);font-size:13.5px}
/* 展开 / 收起行与命令表连成一体：表格让出下边框与下圆角，中间仅一条分隔线 */
.cmd-table-wrap.with-more{border-bottom:0;border-radius:var(--radius) var(--radius) 0 0}
.cmd-more{
  display:flex;align-items:center;justify-content:center;gap:7px;
  width:100%;margin-top:0;padding:12px;
  border:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);
  background:var(--panel);color:var(--text-dim);font-size:13.2px;
  cursor:pointer;font-family:var(--sans);transition:background .2s,color .2s;
}
.cmd-more:hover{background:var(--panel-2);color:var(--accent)}
.cmd-more-icon{font-size:12px;transition:transform .2s}
html[data-theme="light"] .cmd-more{background:#fff}

/* ===================== FAQ ===================== */
.faq{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
html[data-theme="light"] .faq{background:#fff}
.faq details{border-bottom:1px solid var(--border)}
.faq details:last-child{border-bottom:none}
.faq summary{
  padding:17px 20px;cursor:pointer;font-size:14.5px;font-weight:560;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background .2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--panel-2)}
.faq summary::after{
  content:"+";color:var(--accent);font-size:19px;font-weight:400;line-height:1;transition:transform .25s;flex-shrink:0;
}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{color:var(--accent)}
.faq-body{padding:0 20px 18px;font-size:13.8px;color:var(--text-dim);max-width:760px}
.faq-body code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:12.2px}

/* ===================== Footer ===================== */
.footer{border-top:1px solid var(--border);padding:52px 0 26px;background:var(--bg-alt)}
html[data-theme="light"] .footer{background:var(--bg-alt)}
.footer-inner{display:grid;grid-template-columns:1.4fr 2fr;gap:40px;padding-bottom:36px}
.footer-brand-row{display:flex;align-items:center;gap:9px}
.footer-brand-row img{width:26px;height:26px;border-radius:7px;display:block}
.footer-brand-row .brand-text{font-size:18px}
.footer-brand p{font-size:13.2px;color:var(--muted);margin-top:10px;max-width:340px}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-cols h5{font-size:12.5px;font-weight:620;margin-bottom:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.footer-cols a{display:block;font-size:13.4px;color:var(--text-dim);padding:4px 0;transition:color .2s}
.footer-cols a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--border);padding-top:20px;font-size:12.4px;color:var(--muted);
}

/* 安全策略区：卡片网格与下方代码块之间留出呼吸 */
#secGrid{margin-bottom:28px}
/* 常见问题：去掉大标题后收紧眉标与列表的间距 */
#faq .section-head{margin-bottom:clamp(18px,2.2vw,26px)}

/* ===================== Footnote / Notes ===================== */
/* 圆圈数字角标，可点击跳到页尾对应备注 */
.fn{
  display:inline-block;min-width:14px;height:14px;padding:0 3px;
  line-height:12px;text-align:center;font-size:9.5px;font-weight:600;
  font-family:var(--sans);color:var(--accent);
  border:1px solid var(--accent);border-radius:999px;
  vertical-align:super;margin-left:1px;transition:background .2s,color .2s;
}
.fn:hover{background:var(--accent-soft)}
.notes{padding:34px 0 40px;border-top:1px solid var(--border);background:var(--bg-alt)}
html[data-theme="light"] .notes{background:var(--bg-alt)}
.notes h5{
  font-size:11.5px;font-weight:620;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.notes-list{display:flex;flex-direction:column;gap:9px}
.notes-list li{
  display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--text-dim);
  max-width:760px;scroll-margin-top:110px;
}
.notes-list .fn{vertical-align:baseline;margin-top:3px;flex-shrink:0}

/* ===================== Back to top ===================== */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:95;
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--border);color:var(--text-dim);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s,color .2s,border-color .2s;
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  box-shadow:0 4px 16px rgba(0,0,0,.22);
}
html[data-theme="light"] .to-top{background:#fff;box-shadow:0 4px 14px rgba(9,14,22,.1)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{color:var(--accent);border-color:var(--accent)}

/* ===================== Responsive ===================== */
@media (max-width:1120px){
  .nav-links{gap:16px}
  .nav-links a{font-size:13px}
}
@media (max-width:1020px){
  .nav-links{
    position:absolute;top:62px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--bg);border-bottom:1px solid var(--border);padding:12px 24px 18px;gap:4px;
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 0;font-size:14.5px}
  .nav-toggle{display:flex}
  .nav-github .gh-divider{display:none}
  .nav-github{padding:8px}
  .split{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  /* 三卡片网格降为两列，最后一张跨列，避免出现半空的孤儿格 */
  .mini-grid.three{grid-template-columns:repeat(2,1fr)}
  .mini-grid.three>*:last-child{grid-column:1 / -1}
}
@media (max-width:720px){
  .section{padding:60px 0}
  .hero{padding:64px 0 60px}
  .hero-scroll{display:none}
  .store-links{grid-template-columns:1fr}
  /* —— 移动端：触摸目标放大到可稳定点击的尺寸 —— */
  .nav-toggle{padding:10px;width:40px;height:40px;margin-right:-10px}
  .lang-switch{padding:6px 9px;font-size:12px;min-height:32px}
  .icon-btn{width:34px;height:34px}
  .copy-btn{padding:5px 12px;font-size:12px;min-height:28px}
  .tab{padding:8px 15px;font-size:13.5px;min-height:36px}
  .chip{padding:7px 14px;font-size:13px;min-height:34px}
  .search-box{padding:12px 14px}
  /* —— 移动端：导航紧凑化 —— */
  .nav-inner{gap:10px;padding:0 16px}
  .brand{gap:8px}
  .brand-mark{width:30px;height:30px}
  .brand-text{font-size:17px}
  .nav-actions{gap:6px}
  .nav-github{gap:5px;padding:7px 8px;min-height:34px}
  .gh-count{min-width:0;padding:1px 5px;font-size:11px}
  .feature-grid,.feature-grid.two,.mini-grid,.mini-grid.three{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .footer-cols{grid-template-columns:repeat(2,1fr)}
  .cmd-table td:first-child{white-space:normal;width:44%}
  .step{grid-template-columns:1fr;gap:12px}
  .to-top{right:14px;bottom:16px;width:40px;height:40px}
}

/* 超窄屏（iPhone SE / 小型 Android）：进一步压缩导航，避免横向溢出 */
@media (max-width:420px){
  .lang-switch .lang-sep,
  .lang-switch .lang-opt:not(.active){display:none}
  .lang-switch{min-width:30px;justify-content:center}
  .nav-inner{gap:5px;padding:0 10px}
  .brand-text{font-size:15.5px}
  .brand-mark{width:26px;height:26px}
  .icon-btn{width:30px;height:30px}
  .nav-actions{gap:4px}
  .nav-github{padding:6px;gap:4px}
  .nav-github .gh-mark{display:none} /* 极窄屏只留星标与数字，保住品牌名与汉堡 */
  .code-block pre{padding:14px 13px 16px}
}

/* 兜底：320px 级别超小屏，进一步收缩才放得下 */
@media (max-width:350px){
  .nav-inner{gap:4px}
  .brand-mark{width:24px;height:24px}
  .brand-text{font-size:14px}
  .lang-switch{min-width:26px;padding:4px 6px}
  .gh-count{font-size:10px}
  .nav-github{padding:5px}
}

/* ===================== Install guide (filters) ===================== */
.guide{display:flex;flex-direction:column;gap:13px}
.guide-bar{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:1px 14px;display:flex;flex-direction:column;
}
.g-row{padding:8px 0;border-bottom:1px solid var(--border)}
.g-row.last{border-bottom:0}
.g-row[hidden]{display:none}
.g-opts{display:flex;flex-wrap:wrap;gap:7px;min-width:0}

/* 三个 TAB 各用一种颜色 */
.g-tabs{display:flex;flex-wrap:wrap;gap:8px}
.g-tab{
  appearance:none;cursor:pointer;font:inherit;font-size:13.2px;font-weight:620;
  padding:6px 15px;border-radius:9px;line-height:1.5;
  background:var(--panel-2);border:1px solid var(--border);color:var(--text-dim);
  transition:border-color .15s,background .15s,color .15s;white-space:nowrap;
}
.g-tab[data-val="install"]{--tabc:var(--accent)}
.g-tab[data-val="update"]{--tabc:#4a9eff}
.g-tab[data-val="uninstall"]{--tabc:#e2686f}
.g-tab[data-val="diag"]{--tabc:#3aa76d}
.g-tab:hover{color:var(--tabc);border-color:var(--tabc)}
.g-tab.on{background:var(--tabc);border-color:var(--tabc);color:#fff}
html[data-theme="light"] .g-tab.on{color:#fff}

.g-opt{
  appearance:none;cursor:pointer;font:inherit;font-size:12.7px;
  padding:4px 12px;border-radius:999px;line-height:1.55;
  background:var(--panel-2);border:1px solid var(--border);color:var(--text-dim);
  transition:border-color .15s,background .15s,color .15s;white-space:nowrap;
}
.g-opt:hover{border-color:var(--accent);color:var(--text)}
.g-opt.on{
  background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600;
}
html[data-theme="light"] .g-opt.on{color:#fff}

/* 分段开关：代码行首的源切换（GitHub / 腾讯镜像）与浏览器切换（Chrome / Edge）共用一套外观 */
.src-switch,.browser-switch{
  display:inline-flex;align-items:center;gap:2px;padding:2px;border-radius:7px;
}
.src-switch{background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09)}
.browser-switch{background:var(--panel-2);border:1px solid var(--border);margin-bottom:12px}
.src-opt,.b-opt{
  appearance:none;cursor:pointer;font:inherit;font-size:11.5px;font-weight:600;
  padding:2px 10px;border-radius:5px;line-height:1.6;white-space:nowrap;
  background:transparent;border:0;color:var(--muted);transition:background .15s,color .15s;
}
/* 两个浏览器等长，避免 Chrome / Edge 宽度不一致 */
.b-opt{min-width:76px;text-align:center}
/* 源切换贴在深色代码块上，用浅灰；浏览器切换在页面底色上，跟随主题 */
.src-opt{color:#98a2ae}
.src-opt:hover{color:#e6ebf1}
.b-opt{color:var(--text-dim)}
.b-opt:hover{color:var(--text)}
.src-opt.on,.b-opt.on{background:var(--accent);color:#fff}
html[data-theme="light"] .src-opt{color:#aeb7c2}
html[data-theme="light"] .src-opt:hover{color:#fff}
html[data-theme="light"] .src-opt.on,
html[data-theme="light"] .b-opt.on{color:#fff}

/* 单个商店直达卡片 */
/* 单个商店直达卡片：两行紧凑排布、宽度随内容收缩 */
.store-card.single{
  flex-direction:column;align-items:stretch;gap:3px;
  padding:14px 16px;width:fit-content;align-self:flex-start;
}
.store-card.single .store-name{text-align:left}
.store-card.single .store-desc{text-align:right;color:var(--accent);font-weight:600}

/* 浏览器扩展：切换开关与所有方式装进同一个大框，宽屏左右分栏、窄屏上下堆叠 */
.ext-box{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:15px 18px 17px;min-width:0;
}
.ext-box-top{margin-bottom:13px}
.ext-box-top .browser-switch{margin-bottom:0}
.ext-ways{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start;--act-w:240px}
/* 两栏里的主动作元素（商店卡片 / 下载按钮）等长，视觉才对得齐 */
.ext-step-body .store-card.single,
.ext-step-body .dl-btn{min-width:var(--act-w)}
.ext-way{display:flex;flex-direction:column;gap:9px;min-width:0}
.ext-way-title{font-size:14px;font-weight:640;margin:0;line-height:1.5}
.ext-way-note{margin:0;font-size:12.8px;color:var(--text-dim);line-height:1.6}
.ext-steps{display:flex;flex-direction:column;gap:12px}
.ext-step{display:flex;gap:9px;align-items:flex-start;min-width:0}
.ext-n{
  flex:0 0 auto;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-size:11.5px;font-weight:700;margin-top:1px;
}
.ext-step-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:7px}
.ext-step-text{margin:0;font-size:12.8px;color:var(--text-dim);line-height:1.6}
/* 作为步骤小标题时，与「方式一」标题同一字号字重 */
.ext-step-text.lead{font-size:14px;font-weight:640;color:var(--text);line-height:1.5}
/* 步骤小标题下的辅助说明（比小标题轻一档） */
.ext-step-note{margin:0;font-size:12.8px;color:var(--text-dim);line-height:1.6}
.ext-step-body .code-block,
.ext-step-body .store-card.single{margin-top:0}
.ext-step-body .g-hint{margin-top:0}
@media (max-width:860px){
  .ext-ways{grid-template-columns:1fr;gap:16px}
}

.guide-out{display:flex;flex-direction:column;gap:14px;--step-indent:31px}
.g-step{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:15px 18px;min-width:0;
}
/* 多个标记并入同一个框：外层容器带框，内部标记不再各自成一张卡 */
.g-box{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:15px 18px 17px;min-width:0;display:flex;flex-direction:column;gap:16px;
}
.g-box > .g-step{background:none;border:0;border-radius:0;padding:0}
.g-step-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.g-step-n{
  flex:0 0 auto;width:21px;height:21px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700;
}
.g-step-head h4{font-size:15px;font-weight:640;margin:0}
/* 步骤内的下一小步：标号与主标号左对齐，因此抵消正文缩进 */
.g-sub{display:flex;align-items:center;gap:10px;margin:0 0 10px calc(-1 * var(--step-indent))}
.g-sub-text{font-size:15px;font-weight:640;color:var(--text)}
/* 步骤正文与「标号 + 标题」的文字左边缘对齐（标号 21px + 间距 10px） */
.g-step-body-indent{margin-left:var(--step-indent)}
.g-step-note{font-size:13.4px;color:var(--text-dim);margin:0 0 10px;line-height:1.65}
.g-step-note code{background:var(--panel-2);padding:1px 5px;border-radius:4px;font-size:12.2px}
.g-step .code-block{margin-top:0}
/* 普通步骤卡里下载按钮下方还有内容时，保留原间距 */
.g-step .dl-btn{margin-bottom:12px}
.g-step .store-links{margin-top:0}
.g-hint{margin:8px 0 0;font-size:12.2px;color:var(--muted)}
.g-empty{
  margin:0;padding:26px 20px;text-align:center;font-size:13.4px;color:var(--muted);
  border:1px dashed var(--border);border-radius:var(--radius);background:var(--panel);
}

.dl-btn{
  display:inline-flex;align-items:center;gap:11px;margin-bottom:0;
  padding:11px 16px;border-radius:10px;text-decoration:none;
  background:var(--panel-2);border:1px solid var(--accent);
  transition:background .15s,transform .15s;max-width:100%;
  /* 宽度随内容收缩：在 flex 列容器里也不会被拉满整行 */
  width:fit-content;align-self:flex-start;
}
/* 大框（扩展 / Skill）内：按钮与商店卡片等长，文件名更长时按内容撑开、不换行 */
.ext-step-body .dl-btn{width:auto;min-width:var(--act-w)}
.dl-btn:hover{background:var(--accent-soft);transform:translateY(-1px)}
.dl-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent);color:#fff;font-size:13px;font-weight:700;
}
.dl-body{display:flex;flex-direction:column;gap:2px;min-width:0}
.dl-name{
  font-size:13.4px;font-weight:620;color:var(--text);
  white-space:nowrap;line-height:1.35;
}
html[data-theme="light"] .dl-icon{color:#fff}
.dl-mirror{font-size:11.5px;color:var(--accent);letter-spacing:.02em}

@media (max-width:720px){
  .g-row{padding:10px 0}
  .g-opt{padding:7px 13px;font-size:13px}
  .g-tab{padding:8px 14px;font-size:13.4px}
  .g-step{padding:14px}
  .b-opt,.src-opt{padding:5px 13px;font-size:12.4px}
}
@media (max-width:420px){
  .guide-bar{padding:0 12px}
  .b-opt,.src-opt{padding:4px 11px;font-size:11.8px}
  .g-opts{gap:7px}
  .g-tabs{gap:7px}
  .g-opt{padding:6px 11px;font-size:12.6px}
  .g-tab{padding:7px 12px;font-size:12.8px}
}