/* ============================================================
   xsnip 官网 · 设计稿公共样式
   设计取向：深色 + 真实产品界面；品牌光谱只做高光，不做大色块
   ============================================================ */

:root{
  --bg:#08090D;
  --bg-1:#0D0F15;
  --bg-2:#12151D;
  --bg-3:#171B24;

  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.12);
  --line-3:rgba(255,255,255,.20);

  --fg:#F5F7FA;
  --fg-2:#A2AAB8;
  --fg-3:#6E7686;

  --blue:#2F6BFF;
  --blue-hi:#5B8CFF;
  --cyan:#22D3EE;
  --violet:#8B5CF6;
  --rose:#F43F5E;
  --amber:#FBBF24;

  --spectrum:linear-gradient(100deg,#22D3EE 0%,#8B5CF6 36%,#F43F5E 68%,#FBBF24 100%);

  --r-s:6px;
  --r-m:10px;
  --r-l:16px;
  --r-xl:22px;

  --mono:"JetBrains Mono","Cascadia Code",Consolas,"SF Mono",Menlo,monospace;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:rgba(47,107,255,.35)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 32px}

/* ---------- 顶栏 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(8,9,13,.72);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:40px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.brand .logo{width:30px;height:30px;display:block;flex:none}
.brand .dot{color:var(--fg-3);font-weight:400}
.brand span.sub{font-size:13px;color:var(--fg-3);font-weight:500;letter-spacing:.02em}

.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--fg-2);transition:color .18s}
.nav-links a:hover{color:var(--fg)}
.nav-links a.on{color:var(--fg)}

.nav-act{display:flex;align-items:center;gap:14px;margin-left:8px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-m);
  font-size:14.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s,background .18s,border-color .18s,box-shadow .18s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--blue);color:#fff;
  box-shadow:0 1px 0 rgba(255,255,255,.16) inset,0 8px 24px -8px rgba(47,107,255,.7);
}
.btn-primary:hover{background:var(--blue-hi);box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 10px 30px -8px rgba(47,107,255,.85)}
.btn-ghost{
  background:rgba(255,255,255,.035);color:var(--fg);
  border-color:var(--line-2);
}
.btn-ghost:hover{background:rgba(255,255,255,.07);border-color:var(--line-3)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;border-radius:8px}
.btn-lg{height:52px;padding:0 30px;font-size:16px;border-radius:12px}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--fg-3);margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--spectrum);box-shadow:0 0 12px rgba(139,92,246,.9);
}
h1{font-size:64px;line-height:1.06;letter-spacing:-.032em;font-weight:700}
h2{font-size:42px;line-height:1.18;letter-spacing:-.026em;font-weight:700}
h3{font-size:20px;line-height:1.4;letter-spacing:-.012em;font-weight:600}
.lead{font-size:17.5px;line-height:1.78;color:var(--fg-2)}
.muted{color:var(--fg-3)}
.mono{font-family:var(--mono)}
.grad{background:var(--spectrum);-webkit-background-clip:text;background-clip:text;color:transparent}
section{padding:112px 0}
.sec-head{max-width:660px;margin-bottom:56px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

.pill{
  display:inline-flex;align-items:center;gap:9px;
  height:30px;padding:0 13px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.04);
  font-size:12.5px;color:var(--fg-2);
}
.pill .v{font-family:var(--mono);font-size:11.5px;color:var(--fg)}
.pill .sep{width:1px;height:11px;background:var(--line-3)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:88px 0 76px;overflow:hidden}
.hero-glow{
  position:absolute;left:50%;top:-320px;width:1100px;height:700px;
  transform:translateX(-50%);
  background:radial-gradient(50% 50% at 50% 50%,rgba(47,107,255,.22),transparent 70%),
             radial-gradient(40% 40% at 70% 40%,rgba(139,92,246,.18),transparent 70%);
  filter:blur(20px);pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1fr 1.12fr;
  gap:48px;align-items:center;
}
.hero h1{margin:22px 0 24px}
.hero .lead{max-width:480px}
.hero-cta{display:flex;gap:12px;margin:36px 0 22px;flex-wrap:wrap}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--fg-3)}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta svg{width:14px;height:14px;opacity:.8}

/* ---------- 产品视觉舞台 ---------- */
.stage{position:relative;height:auto;isolation:isolate;display:flex;align-items:center}
.stage-shot{
  position:relative;z-index:2;
  width:calc(100% + 72px);margin-left:-36px;height:auto;display:block;
  border-radius:10px;
  box-shadow:0 34px 80px -26px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.07);
}
.stage-bg{
  position:absolute;inset:-8% -6% -6% -6%;z-index:0;
  background:
    radial-gradient(70% 60% at 30% 20%,rgba(34,211,238,.16),transparent 65%),
    radial-gradient(60% 60% at 80% 80%,rgba(244,63,94,.14),transparent 65%);
  filter:blur(30px);
}
/* 背景里"被截的窗口" */
.fake-win{
  position:absolute;inset:44px 10px 60px 26px;z-index:1;
  background:linear-gradient(180deg,#151A24,#0F131B);
  border:1px solid rgba(255,255,255,.09);
  border-radius:12px;overflow:hidden;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.9);
}
.fake-win-bar{
  height:34px;display:flex;align-items:center;gap:6px;padding:0 12px;
  border-bottom:1px solid rgba(255,255,255,.06);background:rgba(255,255,255,.02);
}
.fake-win-bar i{width:9px;height:9px;border-radius:50%;background:#2A303C;display:block}
.fake-win-bar .addr{
  margin-left:10px;height:16px;flex:1;border-radius:4px;background:rgba(255,255,255,.05);
}
.fake-win-body{padding:20px 22px;display:flex;flex-direction:column;gap:12px}
.skel{height:9px;border-radius:4px;background:rgba(255,255,255,.075)}
.skel.w40{width:40%}.skel.w62{width:62%}.skel.w78{width:78%}.skel.w30{width:30%}
.skel.hi{background:rgba(255,255,255,.13)}

/* 选区 */
.sel{
  position:absolute;z-index:3;left:64px;top:78px;right:72px;bottom:104px;
  border:1.5px solid var(--blue);
  box-shadow:0 0 0 1px rgba(0,0,0,.5),0 0 40px rgba(47,107,255,.35);
  border-radius:2px;
}
.sel::before{ /* 九宫格辅助线省略，保持干净 */
  content:"";position:absolute;inset:0;
}
.handle{position:absolute;width:7px;height:7px;background:#fff;border:1.5px solid var(--blue);border-radius:1px}
.h-tl{left:-4px;top:-4px}.h-tr{right:-4px;top:-4px}.h-bl{left:-4px;bottom:-4px}.h-br{right:-4px;bottom:-4px}
.h-t{left:50%;top:-4px;margin-left:-3.5px}.h-b{left:50%;bottom:-4px;margin-left:-3.5px}
.h-l{left:-4px;top:50%;margin-top:-3.5px}.h-r{right:-4px;top:50%;margin-top:-3.5px}
.size-tag{
  position:absolute;left:-1.5px;top:-26px;height:22px;padding:0 8px;
  display:flex;align-items:center;border-radius:4px;
  background:var(--blue);color:#fff;font-family:var(--mono);font-size:11px;
  letter-spacing:.02em;white-space:nowrap;
}
/* 标注：箭头 + 文字 + 序号 */
.anno-arrow{position:absolute;z-index:4;right:96px;top:112px;width:112px;height:70px}
.anno-text{
  position:absolute;z-index:4;left:132px;top:150px;
  padding:5px 10px;border-radius:6px;
  background:rgba(244,63,94,.92);color:#fff;font-size:13px;font-weight:600;
  box-shadow:0 8px 24px -8px rgba(244,63,94,.8);
}
.anno-num{
  position:absolute;z-index:4;right:112px;bottom:128px;
  width:24px;height:24px;border-radius:50%;
  background:var(--amber);color:#1A1206;font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px -6px rgba(251,191,36,.9);
}

/* 浮动工具条 */
.toolbar{
  position:absolute;z-index:6;left:50%;transform:translateX(-50%);
  bottom:34px;
  display:flex;align-items:center;gap:2px;
  height:44px;padding:0 8px;border-radius:12px;
  background:rgba(20,23,31,.94);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 44px -12px rgba(0,0,0,.9),0 0 0 1px rgba(0,0,0,.4);
  backdrop-filter:blur(10px);
}
.toolbar i{width:1px;height:18px;background:rgba(255,255,255,.12);margin:0 5px}
.tbtn{
  width:30px;height:30px;border-radius:7px;display:flex;align-items:center;justify-content:center;
  color:#CDD4E0;transition:background .16s,color .16s;
}
.tbtn svg{width:17px;height:17px}
.tbtn:hover{background:rgba(255,255,255,.1);color:#fff}
.tbtn.on{background:rgba(47,107,255,.22);color:#8FB2FF}
.tbtn.accent{color:#8FB2FF}

/* 放大镜小卡 */
.magni{
  position:absolute;z-index:5;right:-6px;bottom:96px;width:118px;
  border-radius:10px;overflow:hidden;
  background:#12151D;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 20px 40px -14px rgba(0,0,0,.9);
}
.magni-img{
  height:72px;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 12px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 12px),
    linear-gradient(135deg,#26303F,#161B25);
  position:relative;
}
.magni-img::after{
  content:"";position:absolute;left:50%;top:50%;width:14px;height:14px;
  transform:translate(-50%,-50%);border:1.5px solid var(--blue);border-radius:2px;
}
.magni-info{padding:6px 8px;border-top:1px solid rgba(255,255,255,.08)}
.magni-info div{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;color:var(--fg-3);line-height:1.7}
.magni-info b{color:var(--fg-2);font-weight:500}

/* toast */
.toast{
  position:absolute;z-index:6;left:26px;bottom:86px;
  display:flex;align-items:center;gap:8px;
  height:34px;padding:0 12px;border-radius:8px;
  background:rgba(20,23,31,.95);border:1px solid rgba(255,255,255,.12);
  font-size:12px;color:var(--fg-2);
  box-shadow:0 14px 30px -12px rgba(0,0,0,.9);
}
.toast svg{width:14px;height:14px;color:#34D399}

/* ---------- 三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{
  position:relative;padding:28px 26px 30px;border-radius:var(--r-l);
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--line);
}
.step .n{
  font-family:var(--mono);font-size:11px;color:var(--fg-3);letter-spacing:.16em;
}
.step h3{margin:14px 0 8px}
.step p{font-size:14.5px;color:var(--fg-2);line-height:1.72}
.step .vis{
  margin-top:22px;height:52px;display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;color:var(--fg-2);
}

/* ---------- 键帽 ---------- */
.kbd{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:26px;height:26px;padding:0 7px;
  border-radius:6px;background:linear-gradient(180deg,#1E232E,#161A22);
  border:1px solid rgba(255,255,255,.14);border-bottom-color:rgba(0,0,0,.6);
  box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 2px 0 rgba(0,0,0,.5);
  font-family:var(--mono);font-size:12px;color:var(--fg);white-space:nowrap;
}
.kbd.plus{border:0;box-shadow:none;background:none;min-width:0;padding:0 1px;color:var(--fg-3)}

/* ---------- 能力卡 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  position:relative;display:flex;flex-direction:column;
  padding:30px 26px 28px;border-radius:var(--r-l);
  background:var(--bg-1);border:1px solid var(--line);
  transition:border-color .2s,transform .2s,background .2s;
  overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-l);
  background:radial-gradient(120% 80% at 50% -20%,rgba(47,107,255,.16),transparent 60%);
  opacity:0;transition:opacity .25s;pointer-events:none;
}
.card:hover{border-color:var(--line-3);transform:translateY(-3px);background:var(--bg-2)}
.card:hover::after{opacity:1}
.card .ic{
  width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);color:#B9C4D6;
  margin-bottom:18px;
}
.card .ic svg{width:19px;height:19px}
.card h3{font-size:17px;margin-bottom:9px}
.card p{font-size:14px;color:var(--fg-2);line-height:1.72}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:18px}
.tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.02em;
  padding:2px 7px;border-radius:5px;color:var(--fg-3);
  border:1px solid var(--line);background:rgba(255,255,255,.02);
}

/* ---------- 深挖行 ---------- */
.dive{display:grid;grid-template-columns:.95fr 1.05fr;gap:64px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.dive:first-of-type{border-top:0;padding-top:0}
.dive-num{
  font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--fg-3);margin-bottom:16px;
}
.dive h3{font-size:28px;line-height:1.32;letter-spacing:-.02em;margin-bottom:16px}
.dive p{color:var(--fg-2);font-size:15px;line-height:1.8}
.dive ul{list-style:none;margin-top:20px;display:flex;flex-direction:column;gap:10px}
.dive li{display:flex;gap:10px;font-size:14.5px;color:var(--fg-2);line-height:1.65}
.dive li::before{content:"";flex:none;width:5px;height:5px;border-radius:50%;background:var(--blue);margin-top:9px;box-shadow:0 0 8px rgba(47,107,255,.9)}
.panel{
  border-radius:var(--r-l);border:1px solid var(--line-2);
  background:linear-gradient(180deg,#0F131A,#0B0E14);
  padding:20px;box-shadow:0 30px 70px -40px rgba(0,0,0,.9);
}
.panel-head{
  display:flex;align-items:center;gap:8px;padding-bottom:14px;margin-bottom:16px;
  border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11px;color:var(--fg-3);letter-spacing:.08em;
}
.panel-head .lights{display:flex;gap:5px;margin-right:4px}
.panel-head .lights i{width:7px;height:7px;border-radius:50%;background:#252B36}

/* 元素树 */
.tree{font-family:var(--mono);font-size:12px;line-height:2.1;color:var(--fg-2)}
.tree div{display:flex;align-items:center;gap:8px}
.tree .indent{color:#39404E}
.tree .tagc{color:#7A869A}
.tree .attr{color:#5B6577}
.tree .on{background:rgba(47,107,255,.14);border-radius:4px;padding:0 6px;margin:0 -6px;color:#BFD1FF}
.tree .on .tagc{color:#8FB2FF}

/* 图层 */
.layers{display:flex;flex-direction:column;gap:8px}
.layer{
  display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:8px;
  background:rgba(255,255,255,.03);border:1px solid var(--line);font-size:13px;color:var(--fg-2);
}
.layer.on{background:rgba(47,107,255,.14);border-color:rgba(47,107,255,.45);color:var(--fg)}
.layer .li{width:16px;height:16px;color:var(--fg-3)}
.layer.on .li{color:#8FB2FF}
.layer .lm{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--fg-3)}

/* 格式块 */
.formats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.fmt{
  padding:14px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.025);
  text-align:center;
}
.fmt b{display:block;font-family:var(--mono);font-size:14px;color:var(--fg);letter-spacing:.02em}
.fmt span{font-size:11px;color:var(--fg-3)}

/* ---------- 快捷键表 ---------- */
.keys-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.keyrow{
  display:flex;align-items:center;gap:16px;padding:15px 0;
  border-bottom:1px solid var(--line);
}
.keyrow .kl{font-size:14.5px;color:var(--fg-2)}
.keyrow .kr{margin-left:auto;display:flex;align-items:center;gap:3px}
.keyrow .note{font-size:11.5px;color:var(--fg-3);font-family:var(--mono)}

/* ---------- 兼容性指标 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line)}
.stat{background:var(--bg-1);padding:32px 26px;display:flex;flex-direction:column}
.stat b{display:block;font-size:26px;letter-spacing:-.02em;line-height:1.2;margin-bottom:8px}
.stat span{font-size:13.5px;color:var(--fg-3);line-height:1.6}
.stat small{display:block;font-family:var(--mono);font-size:11px;color:var(--fg-3);margin-top:auto;padding-top:14px}

/* ---------- 下载 CTA ---------- */
.cta{position:relative;text-align:center;padding:96px 0}
.cta-card{
  position:relative;border-radius:28px;padding:80px 40px;
  border:1px solid var(--line-2);overflow:hidden;
  background:radial-gradient(80% 120% at 50% -20%,rgba(47,107,255,.18),transparent 65%),var(--bg-1);
}
.cta-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--spectrum);opacity:.9;
}
.cta-card h2{margin-bottom:18px}
.cta-card .lead{max-width:520px;margin:0 auto 36px}
.cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.cta-foot{margin-top:24px;font-size:12.5px;color:var(--fg-3);font-family:var(--mono)}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:60px 0 44px;background:#06070A}
.foot{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:40px}
.foot-brand p{font-size:13.5px;color:var(--fg-3);margin-top:14px;max-width:280px;line-height:1.75}
.foot h4{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-3);margin-bottom:16px;font-weight:600}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot li a{font-size:13.5px;color:var(--fg-2)}
.foot li a:hover{color:var(--fg)}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:12.5px;color:var(--fg-3);
}

/* ---------- 内页头 ---------- */
.page-head{padding:84px 0 60px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head h1{font-size:52px;margin:16px 0 20px}
.page-head .lead{max-width:600px}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  h1{font-size:52px}
  h2{font-size:34px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .stage{height:auto}
  .stage-shot{width:calc(100% + 32px);margin-left:-16px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .dive{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .wrap,.wrap-narrow{padding:0 20px}
  section{padding:72px 0}
  h1{font-size:34px;letter-spacing:-.02em}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .toolbar{transform:translateX(-50%) scale(.86);transform-origin:center bottom}
  h2{font-size:28px}
  .lead{font-size:16px}
  .nav-links{display:none}
  .hero{padding:56px 0 64px}
  .stage{height:auto}
  .stage-shot{width:100%;margin-left:0;border-radius:8px}
  .steps,.cards,.formats,.keys-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .cta-card{padding:52px 22px;border-radius:20px}
  .dive h3{font-size:22px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* ============================================================
   内页组件：功能分组 / 图标墙 / 表格 / FAQ / 下载卡
   ============================================================ */
.fgroup{display:grid;grid-template-columns:296px 1fr;gap:56px;padding:52px 0;border-top:1px solid var(--line)}
.fgroup:first-of-type{border-top:0;padding-top:8px}
.fg-head .fg-idx{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--fg-3)}
.fg-head h2{font-size:30px;margin:12px 0 14px;letter-spacing:-.02em}
.fg-head p{font-size:14.5px;color:var(--fg-2);line-height:1.78}
.fg-body{display:grid;grid-template-columns:1fr 1fr;gap:2px 40px}
.fitem{padding:16px 0;border-bottom:1px solid var(--line)}
.fitem h3{font-size:15.5px;margin-bottom:7px;display:flex;align-items:center;gap:9px}
.fitem h3 svg{width:17px;height:17px;color:#9FB0C8;flex:none}
.fitem p{font-size:13.5px;color:var(--fg-2);line-height:1.72}
.fitem code{font-family:var(--mono);font-size:12px;color:#BFD1FF;background:rgba(47,107,255,.12);padding:1px 5px;border-radius:4px}

/* 工具墙 */
.iconwall{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.iw{
  padding:20px 14px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.025);border:1px solid var(--line);
  transition:background .2s,border-color .2s;
}
.iw:hover{background:rgba(255,255,255,.05);border-color:var(--line-2)}
.iw .g{width:34px;height:34px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;color:#C3CEDE}
.iw .g svg{width:22px;height:22px}
.iw b{display:block;font-size:13.5px;font-weight:600;margin-bottom:4px}
.iw span{font-size:11.5px;color:var(--fg-3);font-family:var(--mono)}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{
  text-align:left;font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--fg-3);font-weight:600;padding:0 14px 12px;border-bottom:1px solid var(--line-2);
}
.tbl td{padding:13px 14px;border-bottom:1px solid var(--line);color:var(--fg-2);vertical-align:top}
.tbl td:first-child{color:var(--fg);font-family:var(--mono);font-size:12.5px;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}

/* FAQ */
.faq{border-top:1px solid var(--line)}
.faq-item{padding:24px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:320px 1fr;gap:40px}
.faq-item h3{font-size:15.5px;font-weight:600}
.faq-item p{font-size:14px;color:var(--fg-2);line-height:1.8}

/* 下载卡 */
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.dl{
  position:relative;padding:34px 30px;border-radius:var(--r-l);
  background:var(--bg-1);border:1px solid var(--line-2);
}
.dl.reco{border-color:rgba(47,107,255,.5);background:radial-gradient(120% 90% at 50% -30%,rgba(47,107,255,.16),transparent 60%),var(--bg-1)}
.dl .badge{
  position:absolute;top:-11px;left:30px;height:22px;padding:0 10px;border-radius:6px;
  background:var(--blue);color:#fff;font-size:11px;font-weight:600;
  display:flex;align-items:center;letter-spacing:.02em;
}
.dl h3{font-size:19px;margin-bottom:6px}
.dl .meta{font-family:var(--mono);font-size:11.5px;color:var(--fg-3);margin-bottom:22px}
.dl .btn{width:100%}
.dl .hint{margin-top:14px;font-size:12px;color:var(--fg-3);text-align:center}

/* 步骤条 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:fl}
.flow .fi{padding:24px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.flow .fi .no{font-family:var(--mono);font-size:11px;color:var(--fg-3);letter-spacing:.14em}
.flow .fi h3{font-size:15px;margin:10px 0 8px}
.flow .fi p{font-size:13px;color:var(--fg-2);line-height:1.7}
.flow .fi .path{
  margin-top:14px;font-family:var(--mono);font-size:11px;color:var(--fg-3);
  background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:6px;padding:8px 10px;
  line-height:1.7;word-break:break-all;
}

/* 更新日志 */
.log-item{display:grid;grid-template-columns:150px 1fr;gap:40px;padding:32px 0;border-top:1px solid var(--line)}
.log-item .ver{font-family:var(--mono);font-size:15px;color:var(--fg)}
.log-item .date{display:block;font-size:11.5px;color:var(--fg-3);margin-top:6px;font-family:var(--mono)}
.log-item ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.log-item li{font-size:14px;color:var(--fg-2);line-height:1.7;display:flex;gap:10px}
.log-item li::before{content:"";flex:none;width:4px;height:4px;border-radius:50%;background:var(--fg-3);margin-top:9px}
.log-item .latest li::before{background:var(--blue);box-shadow:0 0 8px rgba(47,107,255,.9)}

@media (max-width:1080px){
  .fgroup{grid-template-columns:1fr;gap:24px}
  .iconwall{grid-template-columns:repeat(3,1fr)}
  .faq-item{grid-template-columns:1fr;gap:10px}
  .log-item{grid-template-columns:1fr;gap:14px}
}
@media (max-width:720px){
  .fg-body{grid-template-columns:1fr}
  .iconwall{grid-template-columns:repeat(2,1fr)}
  .dl-grid,.flow{grid-template-columns:1fr}
}