:root{--orange: #f25c05;--orange-bright: #ff8a3d;--orange-soft: #fff1e7;--orange-border: #ffd9bf;--ink: #1c1917;--ink-soft: #57534e;--ink-faint: #a8a29e;--bg: #ffffff;--bg-warm: #fffaf6;--card: #ffffff;--card-border: #f0eae5;--shadow-sm: 0 1px 2px rgba(28, 25, 23, .05);--shadow-md: 0 10px 30px -12px rgba(242, 92, 5, .18), 0 2px 8px rgba(28, 25, 23, .05);--shadow-lg: 0 30px 60px -20px rgba(242, 92, 5, .25), 0 4px 14px rgba(28, 25, 23, .06);--radius: 20px;--radius-sm: 12px;--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg{display:block;max-width:100%}a{color:var(--orange);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em;font-weight:700}.container{max-width:1080px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffd1;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--card-border)}.site-header .container{display:flex;align-items:center;gap:24px;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--ink);letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand svg{width:30px;height:30px}.main-nav{display:flex;align-items:center;gap:20px;margin-left:auto}.main-nav a{color:var(--ink-soft);font-size:.95rem;font-weight:500}.main-nav a:hover{color:var(--ink);text-decoration:none}.lang-switch{display:inline-flex;border:1px solid var(--card-border);border-radius:999px;padding:2px;background:var(--bg-warm)}.lang-switch a{padding:3px 10px;border-radius:999px;font-size:.8rem;font-weight:600;color:var(--ink-soft)}.lang-switch a:hover{text-decoration:none}.lang-switch a[aria-current=true]{background:var(--orange);color:#fff}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:1rem;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:linear-gradient(135deg,var(--orange-bright),var(--orange));color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--card);color:var(--ink);border-color:var(--card-border);box-shadow:var(--shadow-sm)}.btn-secondary:hover{border-color:var(--orange-border)}.btn-sm{padding:8px 16px;font-size:.9rem}.section{padding:88px 0}.section-alt{background:var(--bg-warm)}.section-head{text-align:center;max-width:640px;margin:0 auto 56px}.section-head h2{font-size:clamp(1.7rem,4vw,2.4rem)}.section-head p{color:var(--ink-soft);font-size:1.1rem;margin:0}.hero{position:relative;overflow:hidden;background:radial-gradient(60% 80% at 85% 10%,rgba(255,154,77,.16),transparent 65%),radial-gradient(50% 60% at 10% 90%,rgba(242,92,5,.1),transparent 60%),linear-gradient(180deg,#fff7f0,#fff)}.hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:88px;padding-bottom:96px}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--orange-soft);border:1px solid var(--orange-border);color:var(--orange);font-weight:600;font-size:.85rem;border-radius:999px;padding:6px 14px;margin-bottom:20px}.hero h1{font-size:clamp(2.2rem,5.5vw,3.4rem);letter-spacing:-.03em}.hero-sub{color:var(--ink-soft);font-size:1.15rem;max-width:34em;margin:0 0 32px}.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:16px}.hero-note{color:var(--ink-faint);font-size:.88rem;margin:0}.phone-wrap{display:flex;justify-content:center}.phone{width:300px;border-radius:44px;background:#fff;border:1px solid var(--card-border);box-shadow:var(--shadow-lg);padding:14px}.phone-screen{border-radius:32px;background:var(--bg-warm);overflow:hidden;display:flex;flex-direction:column;height:540px}.chat-header{display:flex;align-items:center;gap:10px;padding:14px 16px 10px;background:#ffffffe6;border-bottom:1px solid var(--card-border)}.chat-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--orange-bright),var(--orange));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.95rem}.chat-peer{line-height:1.25}.chat-peer .name{font-weight:700;font-size:.95rem}.chat-peer .status{font-size:.72rem;color:var(--ink-faint);font-family:var(--mono)}.chat-banner{font-size:.72rem;font-weight:600;text-align:center;color:var(--orange);background:var(--orange-soft);padding:6px 10px}.chat-body{flex:1;padding:14px 12px;display:flex;flex-direction:column;gap:8px;overflow:hidden}.bubble{max-width:82%;padding:9px 13px;border-radius:18px;font-size:.86rem;line-height:1.4;box-shadow:var(--shadow-sm)}.bubble.in{align-self:flex-start;background:#fff;border:1px solid var(--card-border);border-bottom-left-radius:6px}.bubble.out{align-self:flex-end;background:linear-gradient(135deg,var(--orange-bright),var(--orange));color:#fff;border-bottom-right-radius:6px}.chat-input{margin:10px 12px 14px;padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--card-border);color:var(--ink-faint);font-size:.86rem}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.step{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}.step-num{width:40px;height:40px;border-radius:14px;background:linear-gradient(135deg,var(--orange-bright),var(--orange));color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:18px;font-size:1.05rem}.step h3{font-size:1.15rem}.step p{color:var(--ink-soft);margin:0;font-size:.98rem}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .15s ease,box-shadow .15s ease}.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.feature-icon{width:44px;height:44px;border-radius:14px;background:var(--orange-soft);color:var(--orange);display:flex;align-items:center;justify-content:center;margin-bottom:16px}.feature-icon svg{width:22px;height:22px}.feature h3{font-size:1.02rem;margin-bottom:.35em}.feature p{color:var(--ink-soft);margin:0;font-size:.9rem}.privacy-card{background:radial-gradient(80% 120% at 90% 0%,rgba(255,154,77,.22),transparent 60%),linear-gradient(135deg,#fff3e8,#fff8f2);border:1px solid var(--orange-border);border-radius:28px;padding:clamp(32px,5vw,56px);display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.privacy-card h2{font-size:clamp(1.6rem,3.5vw,2.2rem)}.privacy-card>div>p{color:var(--ink-soft);font-size:1.05rem}.privacy-points{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.privacy-points li{display:flex;gap:12px;align-items:flex-start;background:#ffffffbf;border:1px solid var(--orange-border);border-radius:var(--radius-sm);padding:14px 16px;font-size:.95rem}.privacy-points svg{flex-shrink:0;width:20px;height:20px;color:var(--orange);margin-top:2px}.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:760px;margin:0 auto}.download-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:32px;text-align:center;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;align-items:center;gap:8px}.download-card .platform-icon{width:56px;height:56px;border-radius:18px;background:var(--orange-soft);color:var(--orange);display:flex;align-items:center;justify-content:center;margin-bottom:8px}.download-card .platform-icon svg{width:30px;height:30px}.download-card h3{margin:0;font-size:1.2rem}.download-card p{color:var(--ink-soft);font-size:.95rem;margin:0 0 16px}.download-card .btn{margin-top:auto}.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.faq-item{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}.faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-weight:600;font-size:1.02rem}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:1.3rem;font-weight:400;color:var(--orange);transition:transform .2s ease;flex-shrink:0}.faq-item[open] summary:after{transform:rotate(45deg)}.faq-item .answer{padding:0 22px 18px;color:var(--ink-soft);font-size:.98rem}.faq-item .answer p{margin:0}.page-hero{background:radial-gradient(60% 100% at 80% 0%,rgba(255,154,77,.14),transparent 60%),linear-gradient(180deg,#fff7f0,#fff);padding:72px 0 48px}.page-hero h1{font-size:clamp(2rem,5vw,2.8rem)}.page-hero p{color:var(--ink-soft);font-size:1.1rem;margin:0;max-width:640px}.prose{max-width:720px;padding:48px 24px 88px;margin:0 auto}.prose h2{font-size:1.35rem;margin:2em 0 .6em}.prose h2:first-child{margin-top:0}.prose p{color:var(--ink-soft);margin:0 0 1em}.site-footer{border-top:1px solid var(--card-border);background:var(--bg-warm);padding:56px 0 32px;font-size:.92rem}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}.footer-brand p{color:var(--ink-soft);margin:12px 0 0;max-width:30em}.footer-col h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);margin-bottom:14px}.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.footer-col a{color:var(--ink-soft)}.footer-col a:hover{color:var(--ink)}.footer-bottom{border-top:1px solid var(--card-border);padding-top:24px;color:var(--ink-faint);font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.notfound{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:88px 24px}.notfound h1{font-size:clamp(2rem,5vw,3rem)}.notfound p{color:var(--ink-soft);margin-bottom:28px}@media(max-width:900px){.hero .container{grid-template-columns:1fr;padding-top:56px;padding-bottom:64px}.phone-wrap{order:-1}.phone{width:270px}.phone-screen{height:480px}.steps{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}.privacy-card{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.main-nav a:not(.btn){display:none}}@media(max-width:560px){.section{padding:64px 0}.feature-grid,.download-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:28px}}