:root{
  --dark:#1a4f63; --dark2:#236d84; --accent:#1a8fa8; --accent2:#4ec4da;
  --light:#eef6f8; --border:#c8dde2; --text:#1a2533; --muted:#5a6a7a; --ink:#111820;
  --on-dark:#cfe6ec; --on-dark-muted:#9fc3cd; --line:rgba(78,196,218,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Manrope,system-ui,sans-serif;color:var(--text);background:var(--light);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}
.tag{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.dark .tag{color:var(--accent2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 24px;border-radius:10px;font-weight:700;font-size:15px;cursor:pointer;border:0;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}
.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover{background:var(--dark2)}
.btn.bright{background:var(--accent2);color:var(--ink)}
section{scroll-margin-top:20px}
.sec{padding:104px 0}
.dark{background:var(--dark);color:#fff}
h2{font-size:clamp(30px,3.4vw,46px);font-weight:800;letter-spacing:-.025em;line-height:1.1;text-wrap:balance}
.light-sec h2{color:var(--dark)}
.sub{font-size:18px;line-height:1.6;color:var(--muted);max-width:640px;margin-top:16px}
.dark .sub{color:var(--on-dark)}
.draft{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;background:#ffe9a8;color:#6b4e00;border-radius:4px;padding:2px 6px;vertical-align:middle}

/* ── HERO ── */
.hero{color:#fff;background:radial-gradient(900px 520px at 88% 0%, rgba(78,196,218,.14), transparent 60%), var(--dark);padding-bottom:72px}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;border-bottom:1px solid var(--line)}
.nav ul{display:flex;gap:30px;list-style:none;font-size:15px;font-weight:500;color:var(--on-dark)}
.nav ul a:hover{color:#fff}
.nav .btn{height:44px;font-size:14px;background:transparent;border:1px solid rgba(78,196,218,.55);color:#fff}
.nav .btn:hover{background:rgba(78,196,218,.12)}
.row{display:grid;grid-template-columns:1fr 390px;gap:64px;align-items:end;padding-top:64px}
h1{font-size:clamp(40px,5.4vw,76px);line-height:1.02;font-weight:800;letter-spacing:-.035em;margin-top:18px;text-wrap:balance}
.t{font-family:'JetBrains Mono',monospace;font-weight:600;letter-spacing:-.04em;color:var(--accent2)}
.side p{font-size:18px;line-height:1.55;color:var(--on-dark)}
.side p b{color:#fff}
.quick{display:flex;gap:6px;margin-top:22px;background:#fff;padding:6px;border-radius:12px;box-shadow:0 18px 40px rgba(0,0,0,.22)}
.quick:focus-within{box-shadow:0 0 0 3px rgba(78,196,218,.45),0 18px 40px rgba(0,0,0,.22)}
.quick input{flex:1;min-width:0;border:0;background:transparent;padding:0 14px;font-size:16px;color:var(--text);height:48px}
.quick input:focus{outline:none}
.quick .btn{height:48px}
form.sent .btn{background:#2e9b6a!important;color:#fff!important}
.fine{font-size:13px;color:var(--on-dark-muted);margin-top:10px}
.day{margin-top:64px;position:relative}
.bars{display:grid;grid-template-columns:repeat(24,1fr);gap:6px;align-items:end;height:220px}
.bar{border-radius:4px 4px 0 0;background:rgba(255,255,255,.14);transform-origin:bottom;animation:grow .7s cubic-bezier(.2,.8,.2,1) backwards}
.bar.off{background:rgba(78,196,218,.6)}.bar.off.hot{background:var(--accent2)}
@keyframes grow{from{transform:scaleY(0)}}
.hours{display:grid;grid-template-columns:repeat(24,1fr);gap:6px;margin-top:8px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--on-dark-muted)}
.hours span{text-align:center}
.work{position:absolute;top:-34px;border-left:1px dashed rgba(207,230,236,.45);border-right:1px dashed rgba(207,230,236,.45);background:rgba(255,255,255,.035);pointer-events:none}
.work em{position:absolute;top:0;left:50%;transform:translateX(-50%);font-style:normal;font-size:12px;color:var(--on-dark);white-space:nowrap;background:var(--dark);padding:0 8px}
.legend{display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:22px;border-top:1px solid var(--line);margin-top:18px;flex-wrap:wrap}
.legend .big{display:flex;align-items:baseline;gap:14px}
.legend .big b{font-size:44px;color:var(--accent2);font-weight:800;letter-spacing:-.03em}
.legend .big span{color:var(--on-dark);max-width:340px;line-height:1.4}
.keys{display:flex;gap:20px;font-size:13px;color:var(--on-dark)}
.keys i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:7px;vertical-align:-1px}

/* ── 2. ПРОБЛЕМЫ ── */
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px;border-top:2px solid var(--dark);padding-top:32px}
.pains .n{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--accent);font-weight:600}
.pains b{display:block;font-size:22px;line-height:1.25;margin:12px 0 10px;color:var(--text)}
.pains p{color:var(--muted);line-height:1.6}
.pivot{margin-top:56px;font-size:clamp(22px,2.2vw,30px);font-weight:700;line-height:1.35;color:var(--dark);max-width:880px}
.pivot em{font-style:normal;color:var(--accent)}

/* ── 3. САЙТ ── */
.site{background:#e3eff2;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
.split .sticky{position:sticky;top:40px}
.feat{border-top:1px solid var(--border)}
.feat li{list-style:none;display:grid;grid-template-columns:56px 1fr;gap:8px 20px;padding:28px 0;border-bottom:1px solid var(--border)}
.feat .n{font-family:'JetBrains Mono',monospace;font-size:15px;color:var(--accent);font-weight:600;padding-top:4px}
.feat h3{font-size:22px;line-height:1.25}
.feat p{grid-column:2;color:var(--muted);line-height:1.6}
.inbox{margin-top:40px;background:#f4f9fa;border:1px solid var(--border);border-radius:14px;padding:18px}
.inbox .h{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;padding-bottom:10px}
.inbox .r{display:grid;grid-template-columns:96px 1fr auto;gap:12px;align-items:center;background:#fff;border-radius:10px;padding:11px 14px;margin-top:6px;font-size:14px}
.src{font-size:12px;font-weight:700;color:var(--accent);background:rgba(26,143,168,.1);border-radius:6px;padding:4px 8px;text-align:center}
.inbox time{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted)}

/* ── 4. ИИ-АССИСТЕНТ ── */
.ai{background:radial-gradient(800px 500px at 0% 100%, rgba(78,196,218,.12), transparent 60%), var(--dark)}
.ai-grid{display:grid;grid-template-columns:1fr 460px;gap:72px;align-items:center;margin-top:8px}
.metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-top:40px}
.metrics div{background:var(--dark);padding:22px 24px}
.metrics b{display:block;font-size:34px;font-weight:800;letter-spacing:-.02em;color:#fff}
.metrics span{color:var(--on-dark-muted);font-size:14px}
.chat{background:#fff;color:var(--text);border-radius:18px;padding:22px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.chat .h{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--border)}
.live{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--accent)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--accent2);box-shadow:0 0 0 4px rgba(78,196,218,.25)}
.msgs{display:flex;flex-direction:column;gap:10px;padding:18px 0}
.m{max-width:84%;padding:11px 14px;border-radius:14px;font-size:14.5px;line-height:1.45}
.m small{display:block;font-size:11px;color:var(--muted);margin-top:4px}
.m.c{background:var(--light);align-self:flex-start;border-bottom-left-radius:4px}
.m.b{background:var(--dark);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.m.b small{color:var(--on-dark-muted)}
.lead-card{display:flex;justify-content:space-between;gap:14px;align-items:center;background:var(--light);border:1px dashed var(--accent);border-radius:12px;padding:12px 14px;font-size:13.5px}
.lead-card b{display:block;font-size:14.5px}
.lead-card .ok{font-weight:700;color:var(--accent);font-size:12.5px;white-space:nowrap}
/* чат: сообщения появляются по очереди, ассистент «печатает» (запускает JS, без JS всё видно сразу) */
.m.b{position:relative}
.chat.anim .m,.chat.anim .lead-card{opacity:0;transform:translateY(8px);transition:opacity .35s ease,transform .35s ease,background-color .25s ease,color .25s ease}
.chat.anim .m.show,.chat.anim .lead-card.show{opacity:1;transform:none}
.chat.anim .m.b.typing{opacity:1;transform:none;background-color:transparent;color:transparent}
.m.b.typing small{visibility:hidden}
.dots{display:none;position:absolute;top:0;right:0;gap:5px;align-items:center;background:var(--dark);border-radius:14px 14px 4px 14px;padding:14px 16px}
.m.b.typing .dots{display:flex}
.dots i{width:7px;height:7px;border-radius:50%;background:var(--accent2);opacity:.3;animation:dot 1.2s infinite}
.dots i:nth-child(2){animation-delay:.2s}.dots i:nth-child(3){animation-delay:.4s}
@keyframes dot{0%,60%,100%{opacity:.3}30%{opacity:1}}
.steps-h{margin-top:96px;display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.steps-h h3{font-size:28px;font-weight:800;letter-spacing:-.02em}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:32px;position:relative}
.steps::before{content:"";position:absolute;left:0;right:0;top:9px;height:2px;background:var(--line)}
.step{position:relative;padding-right:28px}
.step .dot{width:20px;height:20px;border-radius:50%;background:var(--dark);border:2px solid var(--accent2);position:relative}
.step:last-child .dot{background:var(--accent2)}
.step .when{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--accent2);margin-top:20px}
.step h4{font-size:20px;margin:8px 0}
.step p{color:var(--on-dark);line-height:1.55;font-size:15px}

/* ── 5. КЕЙСЫ ── */
.cases{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:52px}
.case{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;display:flex;flex-direction:column}
.shot{aspect-ratio:16/10;background:var(--light);border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.shot .bar3{height:30px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px;padding:0 12px}
.shot .bar3 i{width:9px;height:9px;border-radius:50%;background:var(--border)}
.shot .bar3 span{margin-left:10px;font-size:12px;color:var(--muted);font-family:'JetBrains Mono',monospace}
.shot img{width:100%;display:block}
.shot .ph{position:absolute;inset:30px 0 0;display:grid;place-items:center;color:var(--muted);font-size:14px;text-align:center;padding:20px;background:repeating-linear-gradient(135deg,transparent 0 14px,rgba(26,143,168,.05) 14px 28px)}
.case .body{padding:28px;display:flex;flex-direction:column;gap:14px;flex:1}
.case .niche{font-size:13px;color:var(--muted)}
.case h3{font-size:24px;line-height:1.2}
.case p{color:var(--muted);line-height:1.6}
.ba{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--border);border-radius:10px;overflow:hidden;margin-top:auto}
.ba div{background:var(--light);padding:14px 16px}
.ba small{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.ba b{font-size:22px;color:var(--dark)}
.ba div:last-child b{color:var(--accent)}

/* ── 6. ПОЧЕМУ ── */
.why{background:#e3eff2;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.reasons{display:grid;grid-template-columns:1fr 1fr;gap:0 72px;margin-top:52px}
.reason{padding:30px 0;border-top:1px solid var(--border);display:grid;grid-template-columns:auto 1fr;gap:6px 22px}
.reason .n{font-size:44px;font-weight:800;color:var(--border);line-height:1;letter-spacing:-.03em}
.reason h3{font-size:22px;line-height:1.25;align-self:center}
.reason p{grid-column:2;color:var(--muted);line-height:1.6}

/* ── 7. ПАКЕТЫ ── */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--border);border-radius:18px;padding:32px;display:flex;flex-direction:column;gap:18px}
.plan.hl{background:var(--dark);color:#fff;border-color:var(--dark);position:relative;box-shadow:0 24px 60px rgba(26,79,99,.25)}
.plan .badge{position:absolute;top:-12px;left:32px;background:var(--accent2);color:var(--ink);font-size:12px;font-weight:800;padding:5px 10px;border-radius:6px;letter-spacing:.04em}
.plan h3{font-size:24px;line-height:1.2}
.plan .what{color:var(--muted);line-height:1.5;min-height:48px}
.plan.hl .what{color:var(--on-dark)}
.price{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:18px 0}
.plan.hl .price{border-color:var(--line)}
.price b{font-size:30px;font-weight:800;letter-spacing:-.02em;display:block}
.price span{color:var(--muted);font-size:15px}
.plan.hl .price span{color:var(--on-dark-muted)}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:10px;flex:1}
.plan li{padding-left:26px;position:relative;line-height:1.45;font-size:15px}
.plan li::before{content:"";position:absolute;left:0;top:6px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.plan.hl li::before{border-color:var(--accent2)}
.plan .btn{width:100%}
.plan .btn.out{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.ai-band{margin-top:20px;background:var(--dark);color:#fff;border-radius:18px;padding:28px 32px;display:grid;grid-template-columns:1.4fr auto auto auto;gap:36px;align-items:center}
.ai-band h3{font-size:22px;margin:8px 0 6px}
.ai-band p{color:var(--on-dark);line-height:1.5}
.ai-price{border-left:1px solid var(--line);padding-left:28px}
.ai-price b{display:block;font-size:24px;font-weight:800;letter-spacing:-.02em}
.ai-price span{color:var(--on-dark-muted);font-size:14px;line-height:1.4;display:block;max-width:190px}

/* ── 8. CTA / КОНТАКТЫ ── */
.cta{background:radial-gradient(900px 520px at 100% 0%, rgba(78,196,218,.14), transparent 60%), var(--dark)}
.cta-grid{display:grid;grid-template-columns:1fr 480px;gap:72px;align-items:start}
.audit-list{list-style:none;margin-top:32px;display:flex;flex-direction:column;gap:16px}
.audit-list li{display:grid;grid-template-columns:28px 1fr;gap:14px;color:var(--on-dark);line-height:1.5;font-size:17px}
.audit-list li span{font-family:'JetBrains Mono',monospace;color:var(--accent2);font-weight:600}
.contacts{display:flex;align-items:center;gap:12px;margin-top:44px;flex-wrap:wrap}
.contacts .msg{display:inline-flex;align-items:center;justify-content:center;height:48px;min-width:132px;padding:0 22px;border-radius:10px;border:1px solid rgba(78,196,218,.55);color:#fff;font-weight:700;font-size:16px;transition:background .15s}
.contacts .msg:hover{background:rgba(78,196,218,.12)}
.contacts .tel{color:#fff;font-weight:800;font-size:20px;margin-left:16px;white-space:nowrap}
.form{background:#fff;color:var(--text);border-radius:18px;padding:32px;box-shadow:0 30px 80px rgba(0,0,0,.3);display:flex;flex-direction:column;gap:14px}
.form h3{font-size:22px}
.form label{font-size:13px;font-weight:700;color:var(--muted);display:flex;flex-direction:column;gap:6px}
.form input,.form textarea{border:1px solid var(--border);border-radius:10px;padding:13px 14px;font-size:16px;color:var(--text);background:var(--light);resize:vertical}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(26,143,168,.15);background:#fff}
.chan{display:flex;gap:8px;flex-wrap:wrap}
.chan input{position:absolute;opacity:0;pointer-events:none}
.chan span{display:inline-block;padding:9px 14px;border:1px solid var(--border);border-radius:999px;font-size:14px;font-weight:600;color:var(--text);cursor:pointer}
.chan input:checked+span{background:var(--dark);border-color:var(--dark);color:#fff}
.chan input:focus-visible+span{outline:3px solid var(--accent2);outline-offset:2px}
.form .btn{width:100%;margin-top:4px}
.form .legal{font-size:12px;color:var(--muted);line-height:1.5}
.form .legal a{text-decoration:underline}

footer{background:var(--ink);color:var(--on-dark-muted);padding:36px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
footer a{white-space:nowrap}
footer a:hover{color:#fff}
footer nav{display:flex;gap:12px 24px;flex-wrap:wrap}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  /* чат остаётся «живым» и при отключённых анимациях (Android): без сдвига, только плавное появление */
  .chat.anim .m,.chat.anim .lead-card{transform:none!important;transition:opacity .3s ease,background-color .25s ease,color .25s ease!important}
  .dots i{animation:dot 1.2s infinite!important}
}
@media (max-width:960px){
  .wrap{padding:0 20px}
  .sec{padding:72px 0}
  .nav ul,.nav .btn{display:none}
  .row,.split,.ai-grid,.cases,.reasons,.plans,.cta-grid{grid-template-columns:1fr}
  .row{gap:28px;padding-top:40px}
  .split{gap:32px}.split .sticky{position:static}
  .ai-grid,.cta-grid{gap:40px}
  .pains{grid-template-columns:1fr;gap:28px}
  .steps{grid-template-columns:1fr;gap:28px}
  .steps::before{left:9px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .step{padding:0 0 0 40px}.step .dot{position:absolute;left:0;top:0}.step .when{margin-top:0}
  .tag{letter-spacing:.08em;line-height:1.5}
  .quick{flex-direction:column;padding:8px}
  .quick input{flex:0 0 auto;height:56px;font-size:17px;padding:0 16px}
  .quick .btn{height:54px;font-size:16px}
  .bars{gap:3px;height:150px}.hours{gap:3px;font-size:9px}
  .hours span:nth-child(odd){visibility:hidden}
  .legend .big b{font-size:34px}
  .work em{font-size:10px}
  .inbox .r{grid-template-columns:80px 1fr}.inbox time{display:none}
  .plan.hl{margin-top:8px}
  .ai-band{grid-template-columns:1fr;gap:20px;padding:24px}
  .ai-price{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}
  .form{padding:24px}
  footer .wrap{flex-direction:column;align-items:flex-start;gap:18px}
  .contacts .msg{flex:1}
  .contacts .tel{margin-left:0;width:100%;margin-top:6px}
  .metrics b{font-size:26px;white-space:nowrap}
  .metrics div{padding:18px}
}

/* бывшие style="" */
.u1{background:rgba(255,255,255,.14)}
.u2{background:var(--accent2)}
.u3{margin-top:14px;max-width:760px}
.u4{margin-top:14px}
.u5{color:var(--on-dark-muted)}
.u6{margin-top:14px;max-width:700px}
.u7{white-space:nowrap}
.u8{margin-bottom:8px}
/* формы: honeypot, согласие, статус */
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;opacity:0;pointer-events:none}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.45;margin-top:12px;color:var(--on-dark-muted);cursor:pointer}
.consent a{text-decoration:underline;color:inherit}
.consent input{width:18px;height:18px;margin:0;flex-shrink:0;accent-color:var(--accent2);cursor:pointer}
.form .consent{flex-direction:row;font-weight:500;color:var(--muted);margin-top:0}
.form .consent input{padding:0;border:0;background:none;accent-color:var(--accent)}
.form-msg{font-size:14px;line-height:1.45;margin-top:10px}
.form-msg:empty{display:none}
.hero .form-msg.ok{color:#8be3c0}.hero .form-msg.err{color:#ffb4a8}
.form .form-msg{margin-top:0}.form .form-msg.ok{color:#1f7a52}.form .form-msg.err{color:#b3261e}
.btn[disabled]{opacity:.75;cursor:default;transform:none}
/* ИИ-чат */
.try-ai{margin-top:18px;width:100%;display:none}
.ai-on .try-ai{display:inline-flex}
.ai-fab{position:fixed;right:20px;bottom:20px;z-index:60;display:none;align-items:center;gap:10px;height:54px;padding:0 20px 0 16px;border:0;border-radius:999px;background:var(--dark);color:#fff;font-weight:700;font-size:15px;cursor:pointer;box-shadow:0 12px 30px rgba(17,24,32,.35);transition:transform .15s}
.ai-on .ai-fab{display:flex}
.ai-fab:hover{transform:translateY(-2px)}
.ai-fab:focus-visible{outline:3px solid var(--accent2);outline-offset:3px}
.ai-fab-dot{width:10px;height:10px;border-radius:50%;background:var(--accent2);box-shadow:0 0 0 4px rgba(78,196,218,.25)}
.ai-on.ai-open .ai-fab{display:none}
.ai-panel{position:fixed;right:20px;bottom:20px;z-index:70;width:390px;max-width:calc(100vw - 24px);height:min(600px,calc(100vh - 40px));background:#fff;border-radius:18px;box-shadow:0 30px 80px rgba(17,24,32,.35);display:flex;flex-direction:column;overflow:hidden;color:var(--text)}
.ai-panel[hidden]{display:none}
.ai-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;background:var(--dark);color:#fff}
.ai-head b{display:block;font-size:16px}
.ai-sub{font-size:13px;color:var(--on-dark-muted)}
.ai-x{width:40px;height:40px;border:0;border-radius:10px;background:rgba(255,255,255,.08);color:#fff;font-size:26px;line-height:1;cursor:pointer}
.ai-x:hover{background:rgba(255,255,255,.16)}
.ai-test{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:8px 18px;background:#fff7d6;font-size:12px;color:#6b4e00;border-bottom:1px solid #f0dc94}
.ai-test[hidden]{display:none}
.ai-test select{font:inherit;font-weight:700;border:1px solid #e3c96a;border-radius:6px;padding:3px 6px;background:#fff}
.ai-log{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#fbfdfd;overscroll-behavior:contain}
.ai-log .m{animation:none;opacity:1;transform:none;white-space:pre-wrap;word-wrap:break-word}
.ai-log .m.c{align-self:flex-end;background:var(--accent);color:#fff;border-radius:14px 14px 4px 14px}
.ai-log .m.b{align-self:flex-start;background:var(--light);color:var(--text);border-radius:14px 14px 14px 4px}
.ai-log .m.sys{align-self:center;background:none;color:var(--muted);font-size:12px;padding:2px 8px}
.ai-log .meta{display:block;margin-top:6px;font-size:11px;color:var(--muted)}
.ai-log .dots{position:static;display:flex;background:none;padding:4px 2px}
.ai-log .dots i{background:var(--accent)}
.ai-form{display:flex;gap:8px;align-items:flex-end;padding:12px;border-top:1px solid var(--border)}
.ai-form textarea{flex:1;min-width:0;resize:none;max-height:120px;border:1px solid var(--border);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px;line-height:1.35;color:var(--text);background:var(--light)}
.ai-form textarea:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(26,143,168,.15)}
.ai-send{width:48px;height:48px;flex-shrink:0;border:0;border-radius:12px;background:var(--accent);color:#fff;font-size:18px;cursor:pointer}
.ai-send[disabled]{opacity:.5;cursor:default}
.ai-note{font-size:11.5px;line-height:1.4;color:var(--muted);padding:0 14px 12px}
.ai-note a{color:inherit;text-decoration:underline}
@media (max-width:600px){
  .ai-fab{right:12px;bottom:12px;height:52px;padding:0 16px 0 14px}
  .ai-panel{right:0;bottom:0;left:0;width:auto;max-width:none;height:100%;height:100dvh;border-radius:0}
  .ai-open{overflow:hidden}
}

.page-head{padding-bottom:0}
.doc .wrap{max-width:820px}
.doc h1{font-size:clamp(30px,3.4vw,44px);color:var(--dark);letter-spacing:-.025em;margin:0 0 24px}
.doc h2{font-size:22px;color:var(--dark);margin:36px 0 12px;letter-spacing:-.01em}
.doc p,.doc li{color:var(--text);line-height:1.65;font-size:16px}
.doc p+p{margin-top:12px}
.doc ul{margin:10px 0 0 22px}
.doc li+li{margin-top:6px}
.doc a{color:var(--accent);text-decoration:underline}
.doc .muted{color:var(--muted);font-size:14px;margin-top:40px}
.doc .big404{font-size:clamp(80px,12vw,160px);font-weight:800;color:var(--border);line-height:1;letter-spacing:-.04em}