/* v5.17 — registration only; existing brand photography and restrained geometry. */
:root{--paper:#f6f5f0;--ink:#203a32;--muted:#5e7067;--line:#dce2d9;--accent:#b85232;--white:#fffefa;--sage:#edf2e7;font-family:"PingFang TC","Noto Sans TC","Microsoft JhengHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.75}button,input,select{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,p{margin-top:0}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.dr-skip{position:absolute;top:-100px;left:20px;z-index:5;padding:12px 20px;background:var(--ink);color:white}.dr-skip:focus{top:10px}.dr-header{max-width:1450px;margin:auto;padding:22px 5.5%;display:flex;align-items:center;justify-content:space-between;gap:20px}.dr-brand{display:flex;gap:12px;align-items:center;font-size:22px;font-weight:600;letter-spacing:1px;line-height:1.25}.dr-brand svg{width:37px;height:37px}.dr-brand small{display:block;font-size:8px;letter-spacing:1.8px;margin-top:6px;font-weight:500}.dr-header nav{display:flex;gap:30px;font-size:14px}.dr-header nav a{min-height:44px;display:flex;align-items:center;gap:18px}.dr-header nav a:hover,.dr-footer a:hover{color:var(--accent)}.dr-shell{max-width:1450px;margin:auto;padding:0 5.5% 80px}.dr-welcome{display:grid;grid-template-columns:minmax(0,1fr) 210px;align-items:center;gap:40px;min-height:350px;padding:32px 36px;margin:4px 0 44px;color:var(--white);background-color:var(--ink);background-image:linear-gradient(90deg,rgba(15,38,31,.94),rgba(15,38,31,.6) 48%,rgba(15,38,31,.28)),url("assets/driver-context-v5-14.jpg");background-size:cover;background-position:center 58%}.dr-kicker{font-size:11px;letter-spacing:1.4px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:#d4dfd6}.dr-mode{font-size:10px;letter-spacing:.3px;border:1px solid #afc0b466;padding:3px 7px;color:#e0e8df}.dr-welcome h1{font-size:clamp(34px,3.7vw,48px);font-weight:600;line-height:1.4;letter-spacing:-.8px;margin:18px 0;text-wrap:balance}.dr-welcome h1>span{color:#edbb94}.dr-welcome>div>p{font-size:16px;color:#d4dfd6;line-height:1.85;margin:0}.dr-device{width:164px;justify-self:center;align-self:center}.dr-device-screen{border:5px solid #101d18;border-radius:12px;background:#101d18;overflow:hidden;outline:1px solid #b2c6b352}.dr-device-screen img{display:block;width:100%;height:auto;aspect-ratio:1/2;object-fit:contain;object-position:top;background:var(--paper);border-radius:7px}
.dr-registration-layout{display:grid;grid-template-columns:minmax(210px,.68fr) minmax(0,1.7fr);gap:56px;align-items:start}.dr-eyebrow{display:block;font-size:11px;letter-spacing:1.4px;color:var(--muted);margin-bottom:12px}.dr-registration-intro h2{font-size:34px;line-height:1.5;font-weight:500;letter-spacing:-.5px;margin:16px 0 20px}.dr-registration-intro>p{color:var(--muted);font-size:15px;max-width:320px;margin:0 0 28px}.dr-registration-intro ol{list-style:none;padding:0;margin:0 0 28px;border-top:1px solid var(--line)}.dr-registration-intro li{padding:18px 0;display:flex;gap:18px;border-bottom:1px solid var(--line)}.dr-registration-intro li>span{font-size:12px;color:var(--accent);padding-top:3px}.dr-registration-intro li strong{font-size:15px;font-weight:500;display:block}.dr-registration-intro li small{font-size:13px;color:var(--muted);display:block;margin-top:4px}.dr-contact{display:grid;grid-template-columns:1fr auto;font-size:12px;color:var(--muted);padding:12px 0;min-height:44px}.dr-contact strong{grid-column:1;font-size:20px;font-weight:500;color:var(--ink)}.dr-contact>span{grid-column:2;grid-row:1/3;align-self:center;font-size:23px;color:var(--ink)}.dr-contact:hover strong{color:var(--accent)}.dr-registration-panel{background:var(--white);border-top:2px solid var(--ink);min-width:0}.dr-settings{padding:28px 32px}.dr-form-intro{font-size:13px;color:var(--muted);margin:0 0 20px}.dr-settings summary{list-style:none;cursor:pointer;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:15px}.dr-settings summary::-webkit-details-marker{display:none}.dr-form-group{border-top:1px solid var(--line)}.dr-form-group>summary{justify-content:flex-start;gap:14px;padding:20px 0;line-height:1.5;min-height:85px}.dr-step{font-size:12px;color:var(--accent);align-self:flex-start;padding-top:3px}.dr-group-title{font-size:17px;font-weight:500;flex:1}.dr-group-title>small{display:block;font-size:13px;color:var(--muted);font-weight:400;margin-top:5px}.dr-expand{font-size:22px;color:var(--accent);transition:transform .18s}.dr-form-group[open]>summary>.dr-expand{transform:rotate(45deg)}.dr-group-content{padding:6px 0 22px}.dr-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 24px}.dr-full{grid-column:1/-1}.dr-settings label{font-size:14px;display:block;margin-bottom:22px;min-width:0}.dr-settings label>span,.dr-settings legend>span{font-size:12px;color:var(--muted);margin-left:5px;font-weight:400}.dr-settings label>small,.dr-field-note{font-size:13px;line-height:1.8;color:var(--muted);margin:8px 0 12px;display:block}.dr-settings input,.dr-settings select{display:block;width:100%;max-width:100%;min-width:0;min-height:50px;padding:11px 12px;margin-top:8px;background:var(--paper);border:1px solid #acb9aa;border-radius:2px;font-size:16px;line-height:1.5;transition:border-color .18s}.dr-settings input::placeholder{font-size:13px;color:#748176}.dr-settings input:hover,.dr-settings select:hover{border-color:#708c79}.dr-settings input:focus-visible,.dr-settings select:focus-visible{border-color:#577564}.dr-settings fieldset{min-width:0;border:0;padding:0}.dr-settings legend{font-size:14px;font-weight:500;padding:0}.dr-dimensions{margin:0}.dr-dimensions>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.dr-choice-fieldset{margin:4px 0 26px}.dr-choice-fieldset legend{margin-bottom:12px}.dr-choices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.dr-settings .dr-check{display:flex;align-items:center;gap:10px;min-height:48px;margin:0;padding:10px 12px;border:1px solid var(--line);border-radius:2px;cursor:pointer}.dr-settings .dr-check>input{appearance:auto;display:block;flex:none;width:18px;height:18px;min-height:18px;margin:0;padding:0;accent-color:var(--ink)}.dr-settings .dr-check>span{font-size:14px;color:var(--ink);margin:0;line-height:1.6}.dr-settings .dr-check:has(input:checked){background:#e2ebd9;border-color:#a4b796}.dr-settings .dr-check:focus-within{outline:2px solid var(--accent);outline-offset:1px}.dr-region-picker{border:1px solid #bdccb2;background:#f7f9f1;border-radius:2px;margin-bottom:12px}.dr-region-picker>summary{padding:14px;font-size:14px;gap:8px}.dr-region-picker>summary>span{font-size:12px;color:var(--muted)}.dr-settings .dr-region-options{padding:0 12px 14px;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.dr-region-options .dr-check{padding:9px 7px;gap:7px}.dr-region-options .dr-check>span{font-size:13px}.dr-text-button{background:none;border:0;min-height:44px;padding:9px 0;text-align:left;font-size:13px;color:#84513b;text-decoration:underline;text-underline-offset:4px}.dr-text-button#copy-regions{margin:0 0 18px}.dr-save-actions{border-top:1px solid var(--line);padding-top:24px}.dr-registration-note{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 18px}.dr-action-row{display:flex;flex-wrap:wrap;gap:12px}.dr-button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:50px;border:1px solid transparent;border-radius:2px;padding:13px 18px;font-size:14px;font-weight:500;line-height:1.5;transition:background .18s,border-color .18s}.dr-button>span{font-size:19px}.dr-primary{background:var(--ink);color:var(--paper)}.dr-primary:hover{background:#2f5144}.dr-outline{background:var(--white);border-color:#a9baa5}.dr-outline:hover{background:var(--sage)}.dr-danger{background:#a9452c;color:white}.dr-danger:hover{background:#87331f}.dr-status{font-size:14px;color:var(--ink);line-height:1.85;margin:18px 0 0;overflow-wrap:anywhere}.dr-status:empty{display:none}.dr-status[data-state=error]{color:#a13d25}.dr-data-actions{display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;justify-content:space-between;margin-top:14px}.dr-data-actions>a{display:inline-flex;align-items:center;min-height:44px;font-size:13px;text-decoration:underline;text-underline-offset:4px;color:var(--muted)}.dr-settings .dr-field-error{color:#a13d25;font-size:13px;margin:7px 0 0;display:block}.dr-settings [aria-invalid=true]{border-color:#a13d25;background:#fff6ef}.dr-region-picker>.dr-field-error{padding:0 14px 14px}.dr-sr-only{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.dr-notice{font-size:14px;line-height:1.85;padding:14px 18px;border:1px solid #bea77a;background:#faf2df;color:#6c5d3b;margin:0 0 25px}.dr-notice a{text-decoration:underline}
.dr-footer{border-top:1px solid var(--line);background:#edf0e7;padding:26px max(5.5%,calc((100% - 1290px)/2));display:flex;justify-content:space-between;align-items:center;gap:25px}.dr-wordmark{font-size:19px;font-weight:600;letter-spacing:-.5px;display:flex;align-items:center;gap:25px}.dr-wordmark>span{font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}.dr-footer>div{display:flex;gap:24px;font-size:12px}.dr-footer>div>a{min-height:44px;display:flex;align-items:center}.dr-dialog{width:min(480px,calc(100% - 32px));padding:32px;border:1px solid var(--line);border-radius:2px;background:var(--white);color:var(--ink);box-shadow:none}.dr-dialog::backdrop{background:#15231899;backdrop-filter:blur(4px)}.dr-dialog h2{font-size:27px;font-weight:500;margin:17px 0}.dr-dialog p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:25px}.dr-dialog>div{display:flex;justify-content:flex-end;gap:12px}html:has(.dr-dialog[open]){overflow:hidden}
@media(max-width:1100px){.dr-header,.dr-shell{padding-left:4%;padding-right:4%}.dr-registration-layout{gap:32px;grid-template-columns:minmax(190px,.65fr) minmax(0,1.7fr)}.dr-settings{padding:26px}.dr-settings .dr-region-options{grid-template-columns:repeat(2,minmax(0,1fr))}.dr-field-grid{gap:0 18px}}
@media(max-width:900px){.dr-registration-layout{grid-template-columns:1fr;gap:28px}.dr-registration-intro h2{font-size:28px;margin:8px 0}.dr-registration-intro h2 br{display:none}.dr-registration-intro>p{max-width:620px;margin-bottom:0}.dr-registration-intro ol,.dr-contact{display:none}.dr-welcome{grid-template-columns:minmax(0,1fr) 170px;gap:24px}.dr-settings{padding:28px 32px}.dr-settings .dr-region-options{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.dr-header{padding:18px 20px;gap:12px}.dr-brand{font-size:19px;gap:9px}.dr-brand svg{width:31px;height:31px}.dr-brand small{font-size:6.5px;letter-spacing:1.4px}.dr-header nav{font-size:12px;gap:14px}.dr-header nav a{gap:5px}.dr-header nav a span{display:none}.dr-shell{padding:0 20px 52px}.dr-device{display:none}.dr-welcome{padding:24px 20px;grid-template-columns:1fr;gap:0;min-height:240px;background-position:70% center;margin:4px 0 24px}.dr-welcome h1{font-size:30px;line-height:1.35;letter-spacing:-.6px;margin:12px 0}.dr-welcome>div>p{font-size:14px;line-height:1.75}.dr-kicker,.dr-eyebrow{font-size:10px}.dr-registration-layout{gap:20px}.dr-registration-intro h2{font-size:25px}.dr-registration-intro>p{font-size:14px}.dr-settings{padding:22px 18px}.dr-form-intro{font-size:13px}.dr-form-group>summary{min-height:80px;gap:11px}.dr-group-title{font-size:16px}.dr-group-title>small{font-size:12px}.dr-field-grid{grid-template-columns:1fr}.dr-full{grid-column:auto}.dr-settings input,.dr-settings select{font-size:16px}.dr-choices{grid-template-columns:1fr}.dr-settings .dr-region-options{grid-template-columns:repeat(2,minmax(0,1fr));padding:0 8px 12px;gap:6px}.dr-region-options .dr-check{padding:10px 6px;gap:6px}.dr-region-options .dr-check>span{font-size:13px}.dr-action-row{display:grid;grid-template-columns:1fr;gap:10px}.dr-button{min-height:50px;justify-content:space-between}.dr-data-actions{gap:0 16px}.dr-footer{padding:25px 20px;flex-direction:column;align-items:flex-start;gap:11px}.dr-wordmark{font-size:17px;gap:19px}.dr-wordmark>span{font-size:12px}.dr-footer>div{flex-wrap:wrap;gap:16px}.dr-dialog{padding:28px 24px}.dr-dialog h2{font-size:25px}.dr-dialog>div>.dr-button{flex:1;justify-content:center;padding-left:12px;padding-right:12px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}
/* Keep controls inactive until local-only handlers have loaded. */
.dr-settings>#registration-fields{margin:0}
.dr-button:disabled{cursor:not-allowed;opacity:.55}.dr-settings select:disabled{background:var(--sage);color:var(--ink);opacity:1}