/* ==========================================================================
   RoboticsBaby — design system
   ========================================================================== */
:root{
  --ink:#0b1220; --ink2:#121b30; --ink3:#1b2740;
  --bg:#ffffff; --soft:#f4f7fc; --soft2:#eef2f9; --line:#e4e9f2;
  --tx:#0e1729; --muted:#5a6a86; --muted2:#8493ab;
  --brand:#2563ff; --brand2:#12b3d6; --brand-ink:#1749c9;
  --grad:linear-gradient(120deg,#2563ff 0%,#12b3d6 100%);
  --grad-soft:linear-gradient(120deg,rgba(37,99,255,.12),rgba(18,179,214,.12));
  --ok:#16a34a; --err:#dc2626;
  --r:14px; --r-lg:20px; --r-sm:9px;
  --sh:0 1px 2px rgba(12,22,44,.06),0 8px 24px rgba(12,22,44,.06);
  --sh-lg:0 24px 60px rgba(12,22,44,.14);
  --wrap:1180px; --fs:16px;
  --ff:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;
  --fm:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--ff);font-size:var(--fs);line-height:1.65;color:var(--tx);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.18;letter-spacing:-.02em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:840px}
.center{text-align:center;margin-left:auto;margin-right:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}
.ic{width:22px;height:22px}.ic-sm{width:16px;height:16px;flex:0 0 auto}.ic-xl{width:80px;height:80px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;
  padding:11px 20px;border-radius:var(--r-sm);border:1px solid transparent;cursor:pointer;
  transition:.18s ease;white-space:nowrap;line-height:1}
.btn-sm{padding:8px 14px;font-size:.88rem}
.btn-lg{padding:14px 26px;font-size:1rem}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(37,99,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(37,99,255,.36)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.28);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn-outline{background:transparent;color:var(--brand-ink);border-color:var(--brand)}
.btn-outline:hover{background:var(--grad-soft)}
.btn svg{transition:transform .18s}
.btn:hover svg{transform:translateX(3px)}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:20px;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.brand img{border-radius:8px}
.brand-name{font-size:1.15rem;letter-spacing:-.03em;color:var(--ink)}
.brand-name b{color:var(--brand)}
.nav{display:flex;gap:4px;margin-left:8px;flex:1}
.nav a{padding:8px 12px;border-radius:8px;color:var(--muted);font-weight:500;font-size:.94rem;transition:.15s}
.nav a:hover{color:var(--ink);background:var(--soft)}
.nav a[aria-current]{color:var(--brand-ink);background:var(--grad-soft)}
.head-right{display:flex;align-items:center;gap:12px}
.langsw{position:relative;color:var(--muted);cursor:pointer;display:flex;align-items:center;padding:6px}
.langmenu{position:absolute;right:0;top:130%;background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:var(--sh-lg);padding:6px;min-width:150px;display:none;flex-direction:column;gap:2px;z-index:120}
.langsw:hover .langmenu{display:flex}
.langmenu a{padding:8px 12px;border-radius:8px;font-size:.9rem;color:var(--tx)}
.langmenu a:hover{background:var(--soft)}
.langmenu a.cur{color:var(--brand-ink);font-weight:600;background:var(--grad-soft)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.mobile-nav{display:none}

/* ---------- brand promise bar ---------- */
.promise-bar{background:var(--grad);color:#fff;position:relative;z-index:90}
.promise-inner{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  padding:11px 24px;font-size:.95rem;text-align:center}
.promise-inner .ic-sm{color:rgba(255,255,255,.92);flex:0 0 auto}
.promise-title{font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.promise-sub{color:rgba(255,255,255,.86);font-weight:400;font-size:.9rem}
.promise-title + .promise-sub:before{content:"—";margin-right:10px;opacity:.7}
@media (max-width:680px){
  .promise-inner{flex-direction:column;gap:4px;padding:12px 18px}
  .promise-title{white-space:normal}
  .promise-title + .promise-sub:before{content:"";margin:0}
}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:radial-gradient(120% 120% at 80% -10%,#16233f 0%,#0b1220 55%);color:#eaf0fb;padding:clamp(64px,9vw,120px) 0 clamp(56px,7vw,96px)}
.hero-glow{position:absolute;inset:0;background:
  radial-gradient(50% 60% at 12% 20%,rgba(37,99,255,.35),transparent 60%),
  radial-gradient(45% 55% at 90% 80%,rgba(18,179,214,.3),transparent 60%);
  filter:blur(10px);pointer-events:none}
.hero:before{content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(80% 70% at 50% 30%,#000,transparent)}
.hero-inner{position:relative;max-width:900px}
.hero-inner.center{text-align:center;margin:0 auto}
.hero h1{color:#fff}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:.86rem;letter-spacing:.02em;
  color:#a9c4ff;background:rgba(37,99,255,.14);border:1px solid rgba(37,99,255,.3);padding:6px 14px;border-radius:999px;margin-bottom:20px}
.hero .lead{font-size:clamp(1.05rem,1.7vw,1.28rem);color:#c3cee2;max-width:720px;margin:18px 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-badges{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px}
.hero-badges span{display:inline-flex;align-items:center;gap:7px;font-size:.9rem;color:#b9c6de}
.hero-badges svg{color:var(--brand2)}
.hero-stats{display:flex;gap:40px;flex-wrap:wrap;margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12)}
.hstat b{display:block;font-size:2rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hstat span{font-size:.88rem;color:#9fb0cc}

/* hero two-column with visual */
.hero-inner.hero-2col{display:flex;align-items:center;gap:48px;max-width:1180px}
.hero-2col .hero-text{flex:1;min-width:0;max-width:640px}
.hero-visual{flex:0 0 420px;max-width:40%}
.hero-visual img{width:100%;height:auto;border-radius:var(--r-lg);box-shadow:0 30px 70px rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.12)}
@media(max-width:880px){.hero-inner.hero-2col{flex-direction:column-reverse;gap:28px}.hero-visual{flex:none;max-width:520px;width:100%}}

/* ---------- bands / sections ---------- */
.band{padding:clamp(56px,7vw,92px) 0}
.band-soft{background:var(--soft)}
.band-dark{background:radial-gradient(120% 140% at 50% -20%,#16233f,#0b1220);color:#eaf0fb}
.band-dark h2{color:#fff}
.sec-head{max-width:720px;margin:0 auto clamp(36px,5vw,56px);text-align:center}
.tag{display:inline-block;font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--brand-ink);background:var(--grad-soft);padding:5px 13px;border-radius:999px;margin-bottom:14px}
.sec-sub{color:var(--muted);font-size:1.08rem}
.band-dark .sec-sub{color:#aebbd4}

/* ---------- grid / feature cards ---------- */
.grid{display:grid;gap:22px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.gap-lg{gap:28px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);transition:.2s}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(37,99,255,.3)}
.ficon{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;color:#fff;background:var(--grad);margin-bottom:16px;box-shadow:0 8px 18px rgba(37,99,255,.28)}
.fcard h3{margin-bottom:8px}
.fcard p{color:var(--muted);margin:0;font-size:.96rem}

/* ---------- solution cards ---------- */
.solcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh);
  display:flex;flex-direction:column;transition:.2s;position:relative;overflow:hidden}
.solcard:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(37,99,255,.3)}
.solcard-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.badge{font-size:.74rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand-ink);
  background:var(--grad-soft);padding:5px 11px;border-radius:999px}
.solsub{color:var(--brand-ink);font-weight:600;font-size:.9rem;margin:-4px 0 12px}
.solcard>p{color:var(--muted);font-size:.97rem}
.ticks{list-style:none;padding:0;margin:14px 0 20px;display:grid;gap:10px}
.ticks li{display:flex;gap:9px;align-items:flex-start;font-size:.94rem;color:var(--tx)}
.ticks svg{color:var(--brand);margin-top:3px}
.cardlink{margin-top:auto;color:var(--brand-ink);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.cardlink:hover svg{transform:translateX(3px)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.split.rev .split-text{order:2}
.split-text h2{margin-bottom:16px}
.split-text>p{color:var(--muted);font-size:1.03rem}
.split-media{position:relative}
.media-panel{position:relative;aspect-ratio:4/3;border-radius:var(--r-lg);background:radial-gradient(120% 120% at 30% 20%,#16233f,#0b1220);
  display:grid;place-items:center;color:#fff;overflow:hidden;box-shadow:var(--sh-lg)}
.media-panel svg{position:relative;z-index:2;color:#cfe0ff;opacity:.95}
.media-glow{position:absolute;inset:0;background:radial-gradient(50% 50% at 50% 45%,rgba(37,99,255,.45),transparent 70%)}
.media-panel:before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:34px 34px}
.media-panel .chip{position:absolute;z-index:3;font-size:.76rem;font-family:var(--fm);color:#bcd3ff;
  background:rgba(11,18,32,.7);border:1px solid rgba(120,160,255,.3);padding:4px 9px;border-radius:7px}
.media-panel .chip:nth-of-type(1){top:16px;left:16px}
.media-panel .chip:nth-of-type(2){bottom:16px;right:16px}
.media-panel .chip:nth-of-type(3){bottom:16px;left:16px}
.media-photo{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);background:var(--soft2)}
.media-photo img{width:100%;height:auto;display:block}

/* video block */
.video-wrap{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);background:#000;margin-top:8px}
.video-wrap video{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.video-cap{margin-top:14px;color:var(--muted);font-size:.9rem;text-align:center}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh);position:relative}
.step-n{width:38px;height:38px;border-radius:11px;background:var(--grad);color:#fff;font-weight:800;display:grid;place-items:center;margin-bottom:14px}
.step h3{font-size:1.02rem;margin-bottom:6px}
.step p{color:var(--muted);font-size:.9rem;margin:0}

/* ---------- stats big ---------- */
.statrow{display:flex;justify-content:space-around;flex-wrap:wrap;gap:30px}
.bigstat{text-align:center}
.bigstat b{display:block;font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.bigstat span{color:#aebbd4;font-size:.95rem}

/* ---------- code ---------- */
.codebox{background:#0b1220;border:1px solid #1e2b46;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg)}
.codebar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid #1e2b46;background:#0e1729}
.codebar span{width:11px;height:11px;border-radius:50%;background:#33415c}
.codebar span:nth-child(1){background:#ff5f57}.codebar span:nth-child(2){background:#febc2e}.codebar span:nth-child(3){background:#28c840}
.codebar em{margin-left:8px;font-style:normal;font-family:var(--fm);font-size:.8rem;color:#8493ab}
.codebox pre{margin:0;padding:20px;overflow:auto}
.codebox code{font-family:var(--fm);font-size:.82rem;line-height:1.7;color:#cfe0ff;white-space:pre}

/* ---------- faq ---------- */
.faqlist{display:grid;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{transition:transform .2s;color:var(--brand);transform:rotate(90deg)}
.faq[open] summary svg{transform:rotate(-90deg)}
.faq-body{padding:0 24px 22px}
.faq-body p{color:var(--muted);margin:0}

/* ---------- cta banner ---------- */
.cta-banner{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:clamp(40px,6vw,72px);text-align:center;
  background:radial-gradient(120% 160% at 80% 0%,#1c3a86,#0b1220);color:#fff;box-shadow:var(--sh-lg)}
.cta-glow{position:absolute;inset:0;background:radial-gradient(40% 60% at 20% 100%,rgba(18,179,214,.4),transparent 60%);pointer-events:none}
.cta-banner h2{color:#fff;position:relative}
.cta-banner p{color:#c3cee2;max-width:620px;margin:0 auto 26px;position:relative}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative}

/* ---------- prose ---------- */
.prose{color:var(--tx)}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.4em;color:var(--ink)}
.prose p,.prose li{color:var(--muted);font-size:1.02rem}
.prose ul{padding-left:1.2em}
.prose strong{color:var(--tx)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,56px);align-items:start}
.contact-info .info-desc{color:var(--muted)}
.cmethods{list-style:none;padding:0;margin:24px 0;display:grid;gap:18px}
.cmethods li{display:flex;gap:14px;align-items:flex-start}
.cmethods svg{color:var(--brand);flex:0 0 auto;margin-top:2px}
.cmethods b{display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted2);margin-bottom:3px}
.cmethods a,.cmethods span{display:block;color:var(--tx)}
.cmethods a:hover{color:var(--brand-ink)}
.wechat-card{margin-top:8px}
.qr-ph{width:170px;height:170px;border:2px dashed var(--line);border-radius:var(--r);display:grid;place-items:center;text-align:center;color:var(--muted2);padding:14px;gap:8px}
.qr-ph svg{color:var(--brand)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,3vw,36px);box-shadow:var(--sh)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:block;font-size:.86rem;font-weight:600;color:var(--tx);margin-bottom:16px}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);
  border-radius:var(--r-sm);font-family:inherit;font-size:.95rem;background:var(--soft);transition:.15s;font-weight:400;color:var(--tx)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(37,99,255,.12)}
.contact-form textarea{resize:vertical}
.fnote{font-size:.82rem;color:var(--muted2);margin:12px 0 0}
.fmsg{margin:12px 0 0;padding:12px 14px;border-radius:var(--r-sm);font-size:.92rem}
.fmsg.ok{background:#e8f7ee;color:var(--ok)}
.fmsg.err{background:#fdeaea;color:var(--err)}

/* ---------- footer ---------- */
.site-foot{background:var(--ink);color:#c3cee2;padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.foot-brand .brand-name{color:#fff}
.foot-brand p{color:#94a3bd;font-size:.92rem;margin:16px 0}
.foot-badges{display:flex;gap:8px;flex-wrap:wrap}
.foot-badges span{font-size:.74rem;font-weight:600;color:#9fb0cc;border:1px solid rgba(255,255,255,.16);padding:4px 10px;border-radius:6px}
.foot-col h4{color:#fff;font-size:.92rem;margin-bottom:14px}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot-col a,.foot-contact span{color:#94a3bd;font-size:.9rem}
.foot-col a:hover{color:#fff}
.foot-contact li{display:flex;align-items:center;gap:9px;color:#94a3bd;font-size:.9rem}
.foot-contact svg{color:var(--brand2);flex:0 0 auto}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot-bottom p{margin:0;font-size:.82rem;color:#7e8ca6}
.foot-bottom .disc{max-width:640px;text-align:right}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .cols-3,.cols-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .split{grid-template-columns:1fr}.split.rev .split-text{order:0}
  .contact-grid{grid-template-columns:1fr}
  .foot-bottom .disc{text-align:left}
}
@media(max-width:720px){
  .nav{display:none}
  .burger{display:flex}
  .head-right .btn-sm{display:none}
  .mobile-nav{display:none;flex-direction:column;gap:4px;padding:12px 24px 20px;border-top:1px solid var(--line);background:#fff}
  .mobile-nav.open{display:flex}
  .mobile-nav a{padding:12px;border-radius:8px;color:var(--tx);font-weight:500}
  .mobile-nav a:hover{background:var(--soft)}
  .mobile-nav .btn{justify-content:center;margin-top:6px}
  .cols-2,.cols-3,.cols-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .hero-stats{gap:26px}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* ==========================================================================
   Floating contact dock (every page)
   ========================================================================== */
.float-dock{position:fixed;right:20px;bottom:20px;z-index:120;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
[dir="rtl"] .float-dock{right:auto;left:20px;align-items:flex-start}
.float-fab{width:58px;height:58px;border:none;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 10px 28px rgba(37,99,255,.4);transition:.18s ease}
.float-fab:hover{transform:translateY(-2px) scale(1.05)}
.float-fab .ic-xl{width:30px;height:30px}
.float-panel{width:264px;max-width:calc(100vw - 40px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-lg);padding:14px;display:flex;flex-direction:column;gap:8px;animation:floatIn .18s ease}
.float-panel[hidden]{display:none}
.float-panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:2px}
.float-help{display:flex;align-items:center;gap:6px;font-weight:700;color:var(--ink);font-size:.95rem}
.float-help span{line-height:1.2}
.float-close{border:none;background:var(--soft);color:var(--muted);width:28px;height:28px;border-radius:8px;font-size:1.25rem;line-height:1;cursor:pointer;flex:0 0 auto}
.float-close:hover{background:var(--soft2);color:var(--ink)}
.float-item{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;background:var(--soft);color:var(--ink);font-weight:600;font-size:.92rem;transition:.15s ease}
.float-item:hover{background:var(--grad-soft);transform:translateX(2px)}
.float-item svg{color:var(--brand);flex:0 0 auto}
@keyframes floatIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media(max-width:720px){.float-dock{right:14px;bottom:14px}[dir="rtl"] .float-dock{left:14px}}

/* ==========================================================================
   Blog list + article
   ========================================================================== */
.blog-grid{margin-top:10px}
.blogcard{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh);transition:.18s ease;color:var(--ink)}
.blogcard:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:var(--brand)}
.blogcard .ficon{color:var(--brand)}
.blogcard h3{font-size:1.12rem;margin:0}
.blogcard p{color:var(--muted);font-size:.95rem;margin:0 0 4px}
.blogcard-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.blog-tag{font-size:.76rem;font-weight:700;color:var(--brand-ink);background:var(--grad-soft);padding:3px 10px;border-radius:999px;white-space:nowrap}
.blog-date{font-size:.8rem;color:var(--muted2)}
.blogcard .cardlink{margin-top:auto}
.article-meta-band{padding:16px 0}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}
.am-tag{font-weight:700;color:var(--brand-ink);background:var(--grad-soft);padding:3px 12px;border-radius:999px}
.am-sep{color:var(--muted2)}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.2em}
.prose li{margin:0 0 .5rem}

/* ==========================================================================
   Per-language web fonts (CJK / Arabic)
   ========================================================================== */
body.lang-zh{font-family:'Noto Sans SC',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif}
body.lang-ja{font-family:'Noto Sans JP',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Hiragino Sans','Yu Gothic',sans-serif}
body.lang-ko{font-family:'Noto Sans KR',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Malgun Gothic',sans-serif}
body.lang-ar{font-family:'Noto Sans Arabic',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}