:root{color-scheme:light;--ink:#173c35;--green:#075b50;--pink:#d75e7b;--cream:#fbf8f2;--line:#e4e7dc;--muted:#64776b}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.7 "Segoe UI","Microsoft YaHei","PingFang SC",sans-serif}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #d75e7b;outline-offset:5px}.skip{position:absolute;left:16px;top:-90px;background:white;padding:10px 20px;z-index:10}.skip:focus{top:10px}.wrap{width:min(1180px,calc(100% - 72px));margin-inline:auto}.header{height:98px;max-width:1320px;margin:auto;padding:0 36px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:750;letter-spacing:.08em;line-height:1.2}.brand small{display:block;font:10px/1.8 "Segoe 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em{font-style:normal;color:var(--pink)}.lead{font-size:17px;color:var(--muted);max-width:450px;margin:0 0 30px;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.button{padding:14px 25px;border-radius:10px;display:inline-flex;align-items:center;gap:22px;transition:transform .2s}.button:hover{transform:translateY(-2px)}.primary{background:var(--green);color:white;box-shadow:0 8px 18px #075b5018;font-weight:600;font-size:14px}.text-link{font-size:14px;border-bottom:1px solid #b6c5b4;padding:7px 0}.hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:35px}.hero-tags span{font-size:12px;color:#71816f;border:1px solid #dfe4d6;padding:5px 11px;border-radius:25px}.small-note{font-size:12px;color:#899182;margin:14px 0 0}.hero-visual{margin:0;position:relative;justify-self:end;width:min(100%,450px)}.hero-visual:before{content:"";position:absolute;inset:28px -18px -18px 25px;border:1px solid #ddc8b6;border-radius:150px 16px 130px 16px;z-index:-1}.photo-frame{height:570px;overflow:hidden;border-radius:150px 16px 130px 16px;background:#edc4ce}.photo-frame img{width:100%;height:100%;object-fit:cover;object-position:center 34%;display:block}.hero-visual figcaption{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11px;color:#7d8878;margin:15px 15px 0}.hero-visual figcaption small{font-size:10px;white-space:nowrap}.experience{padding:65px 0 95px;border-top:1px solid var(--line)}.kicker{display:inline-block;text-transform:uppercase;letter-spacing:.13em;font-size:12px;color:var(--pink);font-weight:650}.section-heading h2,.download h2{font-size:clamp(27px,3vw,41px);letter-spacing:-.035em;line-height:1.35;font-weight:600;margin:13px 0 15px}.section-heading>p{font-size:15px;color:var(--muted);margin:0;max-width:650px}.experience-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:95px;margin-top:45px;align-items:center}.feature-list article{display:flex;gap:22px;max-width:530px;padding:22px 0;border-bottom:1px solid var(--line)}.feature-list article:last-child{border-bottom:0}.number{font:12px/2 "Segoe UI",sans-serif;color:#b5b9a6;padding-top:4px;letter-spacing:.1em}h3{font-size:19px;font-weight:600;letter-spacing:-.02em;margin:0 0 8px}.feature-list p{font-size:14px;line-height:1.85;margin:0;color:var(--muted)}.conversation{background:white;border:1px solid #dde6da;border-radius:24px;box-shadow:0 20px 50px #173c3508;overflow:hidden;transform:rotate(1.5deg)}.chat-head{display:flex;gap:11px;align-items:center;padding:22px;border-bottom:1px solid #eef0e9}.avatar{background:#f5d5dd;color:#a84a66;display:grid;place-items:center;width:42px;height:42px;border-radius:15px;font-size:19px}.chat-head strong{font-size:14px}.chat-head small{display:block;font-size:10px;color:#8b9586}.chat-mark{margin-left:auto;color:var(--pink);font-size:25px}.chat-body{background:#f7faf6;padding:24px 20px}.bubble{font-size:14px;background:white;border:1px solid #e8eedd;border-radius:16px 16px 16px 4px;padding:15px 17px;max-width:92%;margin-bottom:22px}.bubble small{display:block;font-size:11px;color:#78917e;border-top:1px solid #edf1e6;margin-top:10px;padding-top:8px}.bubble.mine{margin-left:auto;background:#dff0e5;border-color:#d6e9db;border-radius:16px 16px 4px 16px}.bubble.mine small{border-color:#cae2d2}.chat-bottom{text-align:center;font-size:10px;color:#91a18d;margin-top:28px;letter-spacing:.05em}.download{text-align:center;background:var(--green);color:#fff;padding:70px 0 65px}.download .kicker{color:#e8a6b7}.download h2{margin:14px 0}.download p{color:#bfd8cd;font-size:14px;max-width:650px;margin:0 auto}.download-links{display:flex;justify-content:center;gap:18px;margin:33px auto 23px;flex-wrap:wrap}.download-card{display:flex;align-items:center;gap:18px;text-align:left;background:#fff9f3;color:var(--ink);border-radius:13px;padding:17px 30px;min-width:240px;border:1px solid #fff9f3;transition:transform .2s}.download-card:not([aria-disabled=true]):hover{transform:translateY(-3px)}.download-card[aria-disabled=true]{opacity:.78;cursor:default}.platform{font-size:28px;font-family:"Segoe UI",sans-serif}.download-card strong{font:600 18px/1.4 "Segoe UI",sans-serif;display:block}.download-card small{font-size:11px;color:#6d8272;display:block;margin-top:5px}.age{display:block;font-size:11px;letter-spacing:.08em;color:#afd0bd}.faq{padding:78px 0;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.faq-list details{border-bottom:1px solid var(--line);padding:16px 0}.faq-list summary{font-size:15px;font-weight:600;cursor:pointer;list-style:none;padding-right:30px;position:relative}.faq-list summary:after{content:"+";position:absolute;right:3px;font-size:21px;color:#8da08b;top:-5px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list p{font-size:14px;color:var(--muted);margin:14px 28px 2px 0}.footer{border-top:1px solid var(--line);padding:25px 0 30px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.footer-brand{font-size:16px;font-weight:650}.footer-brand span{font-size:11px;font-weight:400;color:#80907b;margin-left:12px}.footer p{font-size:10px;color:#83927c;max-width:390px;margin:0}.footer small{font-size:10px;color:#83927c}html[lang=vi] h1{font-size:clamp(38px,4.1vw,60px);letter-spacing:-.035em}html[lang=vi] .brand{letter-spacing:.03em}
@media(max-width:900px){.hero{gap:35px;min-height:auto}.wrap{width:calc(100% - 48px)}.header{padding:0 24px}.photo-frame{height:505px}.experience-grid{gap:35px}.faq{gap:35px}.hero-visual:before{inset:20px -10px -13px 20px}.footer p{max-width:320px}}
@media(max-width:640px){html{scroll-padding-top:75px}.header{height:80px;padding:0 20px;gap:10px}.brand{font-size:19px;gap:8px}.brand img{width:30px;height:30px}.brand small{font-size:8px;letter-spacing:.15em}.header nav{display:none}.languages{margin-left:auto}.languages button{font-size:11px;padding:5px 8px}.wrap{width:calc(100% - 40px)}.hero{grid-template-columns:1fr;gap:30px;padding:26px 0 52px}.hero-copy{padding:0 3px}.eyebrow{font-size:10px}h1,html[lang=vi] h1{font-size:43px;margin:18px 0;letter-spacing:-.04em;line-height:1.2}.lead{font-size:14px;max-width:100%;margin-bottom:22px}.hero-actions{gap:22px}.button{padding:12px 20px;font-size:13px}.hero-tags{margin-top:23px;gap:7px}.hero-tags span{font-size:10px;padding:4px 9px}.small-note{font-size:10px;margin-top:10px}.hero-visual{justify-self:center;width:min(100%,370px);margin-right:7px}.photo-frame{height:415px;border-radius:110px 15px 95px 15px}.hero-visual:before{border-radius:110px 15px 95px 15px;inset:20px -9px -12px 20px}.experience{padding:40px 0 50px}.section-heading h2,.download h2{font-size:29px}.section-heading>p{font-size:13px}.experience-grid{grid-template-columns:1fr;gap:30px;margin-top:20px}.feature-list article{padding:18px 0;gap:17px}h3{font-size:17px}.feature-list p{font-size:13px}.conversation{max-width:420px;width:100%;justify-self:center;transform:none}.download{padding:44px 0}.download p{font-size:12px}.download-links{gap:12px;margin:25px auto 18px}.download-card{min-width:230px;padding:14px 25px}.faq{grid-template-columns:1fr;gap:15px;padding:43px 0}.faq-list summary{font-size:14px}.faq-list p{font-size:13px}.footer{gap:12px;padding:23px 0}.footer p{max-width:100%;width:100%;order:3}.footer small{margin-left:auto}html[lang=vi] h1{font-size:40px}html[lang=vi] .hero-actions{gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}