@font-face{font-family:'Public Sans';src:url(fonts/publicsans-regular.otf) format('opentype');font-weight:400;font-display:swap}
@font-face{font-family:'Public Sans';src:url(fonts/publicsans-bold.otf) format('opentype');font-weight:700;font-display:swap}
@font-face{font-family:'Xanh Display';src:url(fonts/xanhdisplay-regular.ttf) format('truetype');font-weight:400;font-display:swap}
:root{color-scheme:light;--ink:#003335;--muted:#50716d;--cyan:#00ced2;--yellow:#ffc500;--line:#dceadd;--shadow:#00a7ad}
*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f6faf8;color:var(--ink);font:16px/1.65 'Public Sans',Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,h2:focus-visible{outline:3px solid #003335;outline-offset:4px}h1,h2{font-family:'Xanh Display','Public Sans',sans-serif;font-weight:400;letter-spacing:-.025em;margin:0;line-height:1.13}p{margin:0}img{max-width:100%;display:block}.guide-wrap{width:min(1180px,90%);margin:auto}.guide-header,.guide-intro{background:var(--cyan)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:92px;border-bottom:1px solid #ffffff50}.guide-brand{display:flex;flex-direction:column;gap:7px}.brand-crop{height:32px;overflow:hidden;display:block}.brand-crop img{height:44px;width:auto;max-width:none}.guide-brand>span:last-child{font-size:10px;letter-spacing:.05em}.back-link{display:flex;gap:10px;align-items:center;min-height:44px;font-size:13px;font-weight:700}.guide-intro{padding:48px 0 84px}.eyebrow,.section-kicker{font-size:11px;letter-spacing:.075em;font-weight:700;line-height:1.6}.eyebrow{display:flex;gap:8px;align-items:center;margin-bottom:18px}.eyebrow>span{width:7px;height:7px;border-radius:50%;background:var(--yellow)}h1{font-size:clamp(36px,4.1vw,58px)}h1>span{color:white}.guide-intro p:not(.eyebrow){max-width:660px;margin-top:20px;color:#005559;line-height:1.75}.skip-link{display:inline-flex;gap:18px;align-items:center;min-height:44px;margin-top:13px;font-size:13px;font-weight:700}.skip-link:hover{text-decoration:underline}.guide-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);align-items:start;gap:28px;margin-top:-34px;position:relative}.video-card,.next-card,.help-card{background:white;border:1px solid var(--line);border-radius:22px}.video-card{padding:28px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.section-kicker{color:#168085;margin-bottom:9px}.card-heading h2,.next-card h2{font-size:29px}.duration{flex:none;font-size:12px;background:#e5f7f2;border-radius:999px;padding:6px 12px;color:#167374}.video-stage{position:relative;display:flex;justify-content:center;background:radial-gradient(ellipse at 45% 40%,#dff5ec,#f4f9f6);border:1px solid #e0ede6;border-radius:16px;overflow:hidden;min-height:300px}.video-stage video{display:block;width:100%;height:530px;max-width:100%;object-fit:contain;background:transparent}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid white;border-radius:16px;background:#003335ed;color:white;padding:17px 21px;display:flex;flex-direction:column;gap:9px;align-items:center;text-align:center;min-width:185px;font-size:13px;box-shadow:0 9px 30px #0033352a}.play-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:50%;background:var(--yellow);color:var(--ink);font-size:21px;padding-left:3px}.video-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:9px 0 19px;color:var(--muted);font-size:11px}.video-toolbar>span{max-width:70%}.video-toolbar button{display:flex;gap:8px;align-items:center;min-height:44px;background:transparent;border:0;padding:0 4px;color:#00676a;font-size:12px;font-weight:700}.video-toolbar button>span{font-size:22px}.chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}.chapter-list button{display:flex;align-items:center;gap:10px;background:#f6faf8;border:1px solid #deece4;border-radius:12px;padding:12px 10px;min-height:68px;text-align:left;font-size:12px;line-height:1.45;color:var(--ink)}.chapter-list button:hover,.chapter-list button[aria-current=true]{background:#fff9dc;border-color:var(--yellow)}.chapter-number{display:grid;place-items:center;flex:none;width:28px;height:28px;background:#e0f6ef;border-radius:50%;color:#008b90;font-weight:700}.chapter-list small{display:block;color:#699184;margin-top:3px;font-size:10px}.chapter-list button>span:last-child{margin-left:auto;font-size:17px}.video-note{margin-top:17px;color:var(--muted);font-size:11px;line-height:1.8}.guide-side{display:grid;gap:18px}.next-card{padding:28px;scroll-margin-top:24px;transition:box-shadow .2s}.next-card.is-ready{box-shadow:0 0 0 3px var(--yellow)}.selected-bike{display:flex;align-items:center;gap:13px;border-bottom:1px solid var(--line);padding:17px 0;margin-bottom:20px}.selected-bike img{width:86px;height:80px;object-fit:contain;flex:none}.selected-bike>div{display:grid;min-width:0;line-height:1.5}.selected-bike small{font-size:10px;color:var(--muted)}.selected-bike strong{font-family:'Xanh Display','Public Sans',sans-serif;font-size:21px;font-weight:400}.selected-bike>div>span{font-size:11px;color:var(--muted)}.selected-bike>a{margin-left:auto;min-height:44px;display:flex;align-items:center;font-size:11px;white-space:nowrap;color:#168085}.referral-card{background:#fff9dd;border:1px solid #f4e8b7;border-radius:16px;padding:20px}.referral-title{display:flex;align-items:center;gap:10px;font-size:13px;line-height:1.5}.round-icon{display:grid;place-items:center;flex:none;width:30px;height:30px;border-radius:50%;background:#003335;color:white;font-weight:700}.code-row{display:flex;gap:14px;align-items:center;justify-content:space-between;margin:15px 0 12px}.code-row input{width:120px;min-width:0;border:0;background:transparent;padding:0;color:#003335;font-weight:700;font-size:35px;letter-spacing:.08em;line-height:1.3}.code-row button{display:flex;gap:7px;align-items:center;justify-content:center;border:1px solid #e7dca7;background:white;border-radius:10px;min-height:46px;padding:10px 12px;font-size:12px;font-weight:700;color:#003335}.code-row svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.5;flex:none}.referral-card>p{font-size:12px;line-height:1.8;color:#486956}.referral-card .copy-status{margin-top:8px;font-size:11px;min-height:20px;color:#687c66}.copy-status.is-copied{color:#007170;font-weight:700}.guide-button{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;border-radius:11px;padding:16px 19px;font-size:13px;font-weight:700;line-height:1.5;text-align:left}.guide-button>span{flex:none;font-size:21px;line-height:1}.primary{background:var(--yellow);border:1px solid var(--yellow);box-shadow:-3px 3px 0 var(--shadow);margin-top:23px}.primary:hover{background:#ffd54c}.secondary{background:#e5f7f2;border:1px solid #cbe9dc;margin-top:18px}.secondary:hover{background:#d6f4e8}.destination-note{font-size:10px;color:var(--muted);margin-top:9px;line-height:1.7}.app-path,.model-note{font-size:11px;color:var(--muted);line-height:1.8;margin-top:10px}.model-note{padding-top:14px;margin-top:17px;border-top:1px solid var(--line)}.help-card{display:flex;gap:14px;padding:24px}.help-card .round-icon{background:#e0f6f1;color:#008e93;width:36px;height:36px}.help-card h2{font-size:22px}.help-card p{font-size:12px;color:var(--muted);margin-top:8px;line-height:1.8}.help-links{display:flex;gap:24px;font-size:12px;font-weight:700;color:#008b90;margin-top:10px}.help-links a{min-height:44px;display:flex;align-items:center}.payment-note{font-size:11px;color:var(--muted);padding:0 6px;line-height:1.8}.quick-steps{padding-top:65px;padding-bottom:55px;display:grid;grid-template-columns:1fr 2fr;gap:40px}.quick-steps h2{font-size:35px}.quick-steps ol{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0;padding:0;list-style:none}.quick-steps li>span{display:grid;place-items:center;width:37px;height:37px;border-radius:50%;background:#e0f6f1;color:#008e93;font-weight:700;margin-bottom:16px}.quick-steps strong{font-size:13px}.quick-steps p{font-size:12px;color:var(--muted);line-height:1.8;margin-top:7px}.guide-footer{border-top:1px solid var(--line);display:flex;align-items:center;flex-wrap:wrap;gap:16px;padding:25px 0 32px;font-size:11px}.guide-footer>a{margin-left:auto;min-height:44px;display:flex;align-items:center}.guide-footer small{width:100%;color:var(--muted);font-size:10px}.no-script{padding:20px}
@media(max-width:900px) and (min-width:701px){.guide-grid{gap:18px}.video-card,.next-card{padding:22px}.code-row{gap:8px}.code-row input{width:110px}.code-row button{padding:10px}.selected-bike{gap:8px}.selected-bike img{width:65px}.selected-bike strong{font-size:19px}.quick-steps{grid-template-columns:1fr;gap:24px}.card-heading h2,.next-card h2{font-size:25px}}
@media(max-width:700px){.guide-wrap{width:calc(100% - 32px)}.header-inner{min-height:84px;gap:13px}.guide-brand>span:last-child{font-size:8px}.brand-crop{height:28px}.brand-crop img{height:38px}.back-link{font-size:11px;gap:6px}.guide-intro{padding:32px 0 59px}.eyebrow{font-size:9px;margin-bottom:14px}h1{font-size:35px;line-height:1.1}.guide-intro p:not(.eyebrow){font-size:14px;line-height:1.75;margin-top:17px}.skip-link{font-size:12px;margin-top:11px}.guide-grid{grid-template-columns:1fr;gap:20px;margin-top:-25px}.video-card,.next-card{padding:22px 20px;border-radius:19px}.card-heading{gap:8px;margin-bottom:17px}.section-kicker{font-size:9px}.card-heading h2,.next-card h2{font-size:25px}.duration{font-size:10px;padding:5px 9px}.video-stage{border-radius:12px}.video-stage video{height:425px}.video-toolbar{margin-bottom:14px;font-size:10px}.video-toolbar button{font-size:11px}.chapter-list{gap:8px}.chapter-list button{gap:7px;padding:10px 8px;font-size:11px;min-height:66px}.chapter-number{width:25px;height:25px}.chapter-list button>span:last-child{font-size:15px}.video-note{font-size:10px}.selected-bike img{width:84px}.referral-card{padding:19px}.referral-title{font-size:13px}.code-row input{font-size:36px}.guide-button{font-size:13px;min-height:58px;padding:15px 17px}.help-card{padding:22px 20px}.quick-steps{grid-template-columns:1fr;gap:25px;padding-top:42px;padding-bottom:36px}.quick-steps h2{font-size:30px}.quick-steps ol{grid-template-columns:1fr;gap:21px}.quick-steps li{display:flex;gap:15px}.quick-steps li>span{flex:none;margin:0}.quick-steps strong{font-size:14px}.quick-steps p{font-size:12px}.guide-footer{font-size:10px;gap:8px}.guide-footer>a{font-size:10px}.payment-note{padding:0 8px;font-size:10px}}
@media(max-width:350px){.guide-wrap{width:calc(100% - 24px)}.video-card,.next-card{padding:20px 15px}h1{font-size:30px}.card-heading h2{font-size:22px}.video-stage video{height:370px}.chapter-list{grid-template-columns:1fr}.chapter-list button{min-height:48px}.chapter-list small{display:inline;margin-left:8px}.code-row{gap:8px}.code-row input{width:100px;font-size:32px}.code-row button{font-size:11px;padding:10px}.selected-bike img{width:65px}.selected-bike strong{font-size:20px}.selected-bike>a{font-size:10px}.guide-button{font-size:12px}.referral-card{padding:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}