:root {
  --navy:#07366b; --blue:#006cdc; --pale:#f0f8ff; --yellow:#ffda4b;
  --muted:#607d98; --border:#d4e6f7; --app-width:480px;
  --footer-space:calc(108px + env(safe-area-inset-bottom, 0px));
  font-family:"Noto Sans TC","Microsoft JhengHei","PingFang TC",system-ui,sans-serif;
  color:var(--navy); line-height:1.65; background:#d9eaf7; scroll-padding-top:84px;
}
* { box-sizing:border-box; }
body { max-width:var(--app-width); min-height:100dvh; margin:0 auto; background:var(--pale); box-shadow:0 0 45px #16446d12; }
button,input { font:inherit; color:inherit; -webkit-tap-highlight-color:transparent; }
button { cursor:pointer; }
button:disabled { cursor:not-allowed; }
button:focus-visible,a:focus-visible,input:focus-visible { outline:3px solid #dfa600; outline-offset:4px; }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; }
h1,h2,h3,p { margin:0; }
[hidden] { display:none!important; }
.icon { width:24px; height:24px; display:inline-block; flex-shrink:0; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; vertical-align:middle; }
.svg-definitions { position:absolute; width:0; height:0; overflow:hidden; }
.content-width,.header-inner,.hero-inner { width:calc(100% - 32px); margin-inline:auto; }
.skip-link { position:fixed; top:-100px; left:16px; z-index:100; padding:12px 18px; background:white; border-radius:8px; }
.skip-link:focus { top:8px; }

/* One mobile canvas, including when previewed on a large screen. */
.site-header { position:sticky; top:0; z-index:25; height:66px; background:#fffffffa; border-bottom:2px solid #1984dd; }
.header-inner { display:flex; height:100%; align-items:center; justify-content:space-between; gap:12px; }
.brand { display:inline-flex; align-items:center; gap:7px; padding:0; min-height:44px; border:0; background:none; text-align:left; }
.brand-mark { width:36px; height:36px; flex-shrink:0; }
.brand-mark img { width:100%; height:100%; object-fit:contain; }
.brand-words { display:flex; flex-direction:column; }
.brand-words strong { font-size:17px; line-height:1.4; font-weight:800; letter-spacing:.025em; }
.brand-words>span { font:7px/1.8 Arial,sans-serif; letter-spacing:.13em; color:#6e89a3; }
.preview-badge { display:block; white-space:nowrap; font-size:11px; padding:4px 8px; color:#4384b8; border-radius:4px; background:#edf7ff; }
.survey-step { white-space:nowrap; color:#217cc9; font:650 16px/1.4 Arial,sans-serif; }

/* A portrait photograph composed for the phone, not a desktop crop. */
#landing-view { padding-bottom:var(--footer-space); }
.hero { position:relative; height:clamp(520px,145vw,670px); overflow:hidden; isolation:isolate; background:#8ed8ff url("assets/fishing-coast-mobile.png") center bottom/cover no-repeat; }
.hero-shade { position:absolute; inset:0; z-index:-1; background:linear-gradient(180deg,#def5ff60,#d9f2ff25 48%,transparent 65%); }
.hero-inner { height:100%; padding-top:30px; }
.hero-copy { text-align:center; }
.campaign-eyebrow { display:flex; align-items:center; justify-content:center; gap:10px; font-size:23px; font-weight:850; letter-spacing:.04em; }
.eyebrow-year { background:var(--yellow); padding:0 9px; font:italic 900 26px/1.4 Arial,sans-serif; transform:rotate(-4deg); }
.campaign-eyebrow>.icon { width:30px; height:30px; transform:rotate(-15deg); }
.hero h1 { font-size:clamp(36px,10.5vw,50px); font-weight:900; line-height:1.38; letter-spacing:-.055em; margin-top:13px; text-shadow:0 2px 1px #ffffff40; }
.headline-highlight { display:inline-block; position:relative; isolation:isolate; padding:0 21px; margin-top:5px; letter-spacing:.06em; font-size:.83em; transform:rotate(-3deg); }
.headline-highlight::before { content:""; position:absolute; inset:3px -5px 0; z-index:-1; background:var(--yellow); clip-path:polygon(3% 8%,98% 0,95% 89%,0 100%,3% 72%,0 53%); }
.hero-description { margin-top:20px; font-size:17px; font-weight:800; line-height:1.7; letter-spacing:.02em; }
.hero-description br { display:none; }
.hero-wave { position:absolute; bottom:-1px; left:0; width:100%; height:30px; }

/* Both prizes stay visible together, following the supplied mobile poster. */
.campaign-section { position:relative; margin-top:-26px; padding:0 12px; z-index:2; }
.campaign-section>.content-width { width:100%; display:flex; flex-direction:column; border:1px solid #d4eafa; border-radius:18px; padding:20px 11px 14px; background:#fffffffa; box-shadow:0 7px 28px #0867ae13; }
.section-intro { order:0; text-align:center; margin-bottom:17px; }
.section-eyebrow { display:flex; align-items:center; justify-content:center; gap:6px; font-size:13px; font-weight:800; }
.section-eyebrow .icon { width:18px; height:18px; color:var(--blue); }
.section-intro h2 { font-size:16px; line-height:1.6; letter-spacing:-.03em; margin-top:5px; }
.section-intro h2 span { color:#147cce; }
.gift-grid { order:1; display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:10px; }
.gift-card { min-width:0; overflow:hidden; border:1px solid #cfe6fa; border-radius:14px; background:#fff; }
.gift-visual { position:relative; height:158px; display:grid; place-items:center; isolation:isolate; background:radial-gradient(ellipse at center,#fff 15%,#e6f5ff 100%); overflow:hidden; }
.gift-visual::after { content:""; position:absolute; width:190px; height:80px; bottom:-45px; left:-35px; border-radius:50%; border:1px solid #b9e0fa; box-shadow:0 0 0 12px #c6e8fd44,0 0 0 24px #c6e8fd33; transform:rotate(-15deg); z-index:-1; }
.gift-visual img { width:100%; height:139px; padding:24px 6px 0; object-fit:contain; filter:drop-shadow(0 8px 5px #07366b16); }
.gift-tag { position:absolute; left:8px; top:8px; z-index:2; background:#0874cd; color:#fff; font-size:10px; font-weight:800; padding:3px 8px; border-radius:15px; }
.gift-category { display:none; }
.gift-details { padding:11px 9px 14px; }
.product-brand { font:750 10px/1.5 Arial,sans-serif; letter-spacing:.08em; color:#1c78bd; }
.gift-details h3 { font-size:15px; font-weight:800; line-height:1.6; letter-spacing:-.025em; margin-top:4px; text-wrap:balance; }
.gift-details p { color:#56718a; font-size:11px; line-height:1.8; margin-top:6px; text-wrap:pretty; }
.campaign-facts { order:2; display:grid; grid-template-columns:1fr 1fr 1.2fr; margin-top:15px; padding:13px 0 5px; border-top:1px solid #e0edf8; }
.campaign-facts>div { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px; text-align:center; }
.campaign-facts>div+div { border-left:1px solid #dfebf5; }
.fact-icon { color:#0874cf; height:22px; }
.fact-icon .icon { width:21px; height:21px; }
.campaign-facts strong { display:block; font-size:14px; font-weight:800; }
.campaign-facts small { display:block; font-size:10px; color:#56718a; }
.gift-footnote { order:3; font-size:11px; color:#56718a; line-height:1.8; text-align:center; margin:14px 1px 0; text-wrap:pretty; }
.participation-section { margin:23px 16px 0; }
.participation-steps { display:flex; justify-content:space-between; align-items:center; gap:6px; list-style:none; margin:0; padding:0; }
.participation-steps li { display:flex; align-items:center; gap:5px; font-size:11px; font-weight:750; white-space:nowrap; }
.participation-steps li>span { width:19px; height:19px; border-radius:50%; display:grid; place-items:center; background:#dceeff; color:#116bb6; font:750 10px/1 Arial,sans-serif; }
.participation-section>p { text-align:center; margin-top:16px; color:#4e799c; font-size:12px; }
.site-footer { padding:13px 0 14px; }
.footer-inner { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; column-gap:16px; color:#56718a; font-size:10px; }
.footer-inner>div { display:flex; align-items:center; gap:5px; }
.footer-inner button,.footer-inner a { display:inline-flex; align-items:center; min-height:44px; border:0; background:none; padding:4px 3px; color:#507594; font-size:12px; }
.footer-inner small { text-align:center; flex-basis:100%; font-size:10px; }

/* Fixed action bars respect the safe area and remain inside the mobile canvas. */
.button { display:inline-flex; align-items:center; justify-content:center; gap:13px; min-height:52px; padding:14px 17px; border:0; border-radius:10px; font-size:17px; font-weight:800; line-height:1.4; transition:background .15s; touch-action:manipulation; }
.button-primary { color:#fff; background:var(--blue); box-shadow:0 4px 12px #006cdc20; }
.button-primary:active { background:#0057b5; }
.button-primary:disabled { background:#d0e4f6; color:#6e99be; box-shadow:none; }
.button-secondary { color:#0e65b0; background:#fff; border:1.5px solid #c5dff5; }
.landing-action,.survey-navigation { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:min(100%,var(--app-width)); z-index:30; border-top:1px solid #d4e7f8; background:#fffffffa; padding:12px 16px calc(10px + env(safe-area-inset-bottom,0px)); box-shadow:0 -6px 20px #07366b05; }
.landing-action .button { width:100%; font-size:21px; letter-spacing:.12em; min-height:55px; gap:21px; }
.landing-action>span { display:block; text-align:center; color:#6786a0; font-size:10px; line-height:1.5; margin-top:6px; }

/* The existing seven-question, two-stage flow is mobile by default. */
#survey-view { min-height:calc(100dvh - 66px); padding:23px 16px var(--footer-space); }
.survey-shell { width:100%; }
.progress-top { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:11px; }
.progress-label { font-size:14px; font-weight:800; }
.progress-percent { color:#326a9d; font:600 14px/1 Arial,sans-serif; }
.progress-track { height:5px; border-radius:8px; overflow:hidden; background:#cbdff3; margin-bottom:20px; }
.progress-fill { height:100%; border-radius:8px; background:linear-gradient(90deg,#145eaf,#2999ef); transition:width .2s; }
.question-card { background:#fff; padding:19px 18px; border:1px solid #cce3f8; border-radius:14px; margin-bottom:15px; box-shadow:0 3px 12px #164e7c04; }
.question-meta { display:flex; align-items:center; gap:9px; margin-bottom:12px; }
.question-badge { color:#fff; background:#1165b6; padding:5px 10px; border-radius:5px; font:750 15px/1.5 Arial,sans-serif; }
.question-type { color:#56718a; background:#f0f4f8; padding:3px 8px; border-radius:4px; font-size:12px; font-weight:700; }
.question-title { outline:none; font-size:19px; font-weight:800; line-height:1.6; letter-spacing:-.015em; text-wrap:balance; overflow-wrap:anywhere; }
.question-help { color:#56718a; font-size:13px; line-height:1.8; margin-top:10px; text-wrap:pretty; }
.options-list { display:grid; gap:11px; min-width:0; }
.option-card { position:relative; display:grid; grid-template-columns:auto minmax(0,1fr) auto; align-items:center; align-content:center; gap:8px; min-height:88px; padding:16px; border:1px solid #d5e7f6; border-radius:13px; background:#fff; cursor:pointer; box-shadow:0 2px 8px #1d609005; }
.option-card.is-selected,.option-card:has(input:checked) { border-color:#2786d8; background:#edf7ff; box-shadow:inset 3px 0 0 #2786d8,0 0 0 1px #2786d826; }
.option-card:has(input:focus-visible),.prize-choice:has(input:focus-visible) { outline:3px solid #dfa600; outline-offset:3px; }
.option-input { position:absolute; opacity:0; width:1px; height:1px; }
.option-letter { align-self:flex-start; padding-top:1px; font:750 17px/1.55 Arial,sans-serif; }
.option-copy { display:flex; flex:1; flex-direction:column; min-width:0; }
.option-copy strong { font-size:17px; font-weight:800; line-height:1.6; text-wrap:balance; overflow-wrap:anywhere; }
.option-copy>span { color:#56718a; font-size:13px; line-height:1.8; margin-top:5px; text-wrap:pretty; overflow-wrap:anywhere; }
#survey-view .option-card.is-selected .option-copy strong,#survey-view .option-card:has(input:checked) .option-copy strong { color:#075d9f; }
.option-indicator { width:24px; height:24px; border:2px solid #bfd5e9; border-radius:50%; display:grid; place-items:center; flex-shrink:0; margin-left:7px; }
.option-indicator>.icon { display:none; }
.option-indicator::after { content:""; width:8px; height:4px; border-left:2px solid #fff; border-bottom:2px solid #fff; transform:rotate(-45deg); margin-top:-2px; opacity:0; }
.is-selected>.option-indicator,label:has(input:checked)>.option-indicator { background:var(--blue); border-color:var(--blue); }
.is-selected>.option-indicator::after,label:has(input:checked)>.option-indicator::after { opacity:1; }
.other-field { padding:16px; border:1px solid #bfdcf4; border-radius:12px; background:#f8fcff; }
.other-field .field-label { font-size:14px; }
.other-input { margin-top:8px; }
.selection-hint { font-size:11px; color:#536f89; text-align:center; line-height:1.8; margin-top:13px; }
.field-error { color:#b42b39; font-size:13px; line-height:1.75; margin:11px 1px 0; }
.field-error:empty { display:none; }
#survey-view .field-error:not(:empty) { padding:11px 13px; border:1px solid #f1d9dd; border-radius:10px; background:#fff5f6; }
.survey-navigation-inner { display:flex; align-items:center; gap:10px; }
.survey-navigation #prev-question { width:35%; flex-shrink:0; }
.survey-navigation #next-question { flex:1; min-width:0; }
.survey-navigation .button { font-size:17px; padding-inline:12px; gap:7px; min-height:54px; }
.survey-navigation .icon { width:20px; height:20px; }
.survey-navigation .button-secondary:disabled { color:#8ca5b9; background:#f5f9fc; border-color:#d8e5ef; }
#question-counter { display:none; }
.choice-fieldset { border:0; min-width:0; padding:0; margin:0 0 21px; }
.choice-fieldset>legend { padding:0 0 12px; }
.field-label { font-size:15px; font-weight:800; line-height:1.6; }
.field-label>span { color:#bd3545; }
.prize-options { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:11px; }
.prize-choice { position:relative; display:flex; flex-direction:column; min-width:0; padding:14px 12px 16px; border:1px solid var(--border); border-radius:13px; background:#fff; cursor:pointer; }
.prize-choice.is-selected,.prize-choice:has(input:checked) { border-color:#2786d8; box-shadow:inset 3px 0 0 #2786d8,0 0 0 1px #2786d826; background:#edf7ff; }
.prize-choice .option-indicator { position:absolute; top:11px; right:11px; width:24px; height:24px; }
.prize-image { display:block; position:relative; height:142px; margin:14px 0 10px; }
.prize-image>img { width:100%; height:100%; object-fit:contain; }
.prize-label { position:absolute; left:0; top:5px; color:#2d78b0; background:#ecf7ff; padding:3px 6px; font-size:9px; font-weight:700; border-radius:4px; }
.prize-copy { display:flex; flex-direction:column; font-size:13px; line-height:1.75; }
.prize-copy strong { font-weight:800; text-wrap:balance; overflow-wrap:anywhere; }
.prize-copy>span { color:#56718a; font-size:12px; line-height:1.8; margin-top:6px; text-wrap:pretty; }
.delivery-options { display:grid; gap:11px; }
.delivery-options .option-card { min-height:85px; gap:10px; }
.delivery-icon { display:grid; place-items:center; color:#247fca; }
.delivery-options .option-copy strong { font-size:16px; }
.delivery-options .option-copy>span { font-size:12px; }
.contact-form { display:grid; gap:20px; padding:22px 18px; background:#fff; border:1px solid var(--border); border-radius:14px; }
.field-group { display:flex; flex-direction:column; gap:8px; }
.text-input { width:100%; min-height:52px; border:1px solid #c7ddf1; border-radius:8px; background:#fbfdff; padding:12px; color:var(--navy); font-size:16px; line-height:1.5; scroll-margin-block:86px 110px; }
.text-input::placeholder { color:#5c758d; }
.text-input[aria-invalid="true"] { border-color:#bd3545; }
.privacy-note { display:flex; align-items:flex-start; gap:8px; color:#56718a; font-size:12px; line-height:1.9; border-top:1px solid #e2edf7; padding-top:16px; }
.privacy-note>.icon { width:19px; height:19px; color:#3983bc; margin-top:3px; }
.privacy-note p { display:flex; flex-direction:column; gap:7px; }
.privacy-note strong { color:#3d6282; }
.privacy-note .text-link { align-self:flex-start; }
.text-link { display:inline-flex; align-items:center; min-height:44px; border:0; background:none; padding:4px 0; color:#076cbb; font-size:12px; font-weight:700; text-decoration:underline; text-underline-offset:3px; white-space:nowrap; }

/* Completion and information stay inside the same mobile flow. */
#complete-view { min-height:calc(100dvh - 66px); padding:26px 16px 40px; }
.completion-shell { padding:28px 19px; border:1px solid var(--border); border-radius:16px; background:#fff; text-align:center; }
.completion-icon { width:65px; height:65px; margin:0 auto 18px; border-radius:50%; display:grid; place-items:center; color:var(--blue); background:#e7f4ff; }
.completion-icon .icon { width:34px; height:34px; stroke-width:2.2; }
.completion-eyebrow { color:#2380c5; font:750 11px/1.6 Arial,sans-serif; letter-spacing:.1em; margin-bottom:10px; }
.completion-title { font-size:25px; line-height:1.5; font-weight:850; outline:none; }
.completion-description { margin:15px 0 22px; font-size:13px; line-height:1.9; color:var(--muted); }
.completion-summary { border-top:1px solid #dfeaf4; border-bottom:1px solid #dfeaf4; padding:8px 0; text-align:left; }
.summary-heading { display:flex; align-items:center; justify-content:space-between; gap:8px; padding:8px 0 10px; font-size:12px; }
.summary-heading>span { color:#6e87a0; font-size:10px; }
.summary-row { display:flex; align-items:flex-start; gap:9px; padding:10px 0; }
.summary-number { display:grid; place-items:center; flex-shrink:0; width:24px; height:24px; border-radius:5px; color:var(--blue); background:#edf7ff; font:750 11px/1 Arial,sans-serif; }
.summary-copy { min-width:0; display:flex; flex:1; flex-direction:column; overflow-wrap:anywhere; font-size:12px; line-height:1.7; }
.summary-copy>span { margin-top:3px; font-size:11px; color:#6e87a0; }
.summary-row>.text-link { margin-top:-8px; }
.completion-actions { display:flex; flex-direction:column; gap:11px; margin-top:22px; }
.completion-actions .button { width:100%; font-size:16px; }
.completion-footnote { color:#728ba3; font-size:11px; line-height:1.8; margin-top:16px; }
.info-dialog { width:min(calc(100% - 32px),430px); max-height:calc(100dvh - 48px); overflow-y:auto; border:1px solid #cce4f8; border-radius:16px; padding:34px 23px 26px; color:var(--navy); background:#fff; box-shadow:0 14px 65px #07366b25; }
.info-dialog::backdrop { background:#052e5766; }
.dialog-close { position:absolute; top:8px; right:8px; width:44px; height:44px; border:0; display:grid; place-items:center; border-radius:50%; background:none; color:#5281a6; }
.dialog-close .icon { width:20px; height:20px; }
.dialog-eyebrow { font-size:10px; color:#287bbb; }
.info-dialog h2 { font-size:23px; margin:9px 0 19px; }
.info-dialog p,.info-dialog li { font-size:13px; line-height:1.9; color:#688098; }
.info-dialog p+p { margin-top:14px; }
.noscript-message { padding:16px; color:#714900; background:#fff2c8; }

@media (max-width:359px) {
  .brand-words strong { font-size:15px; }
  .brand-mark { width:32px; height:32px; }
  .hero { height:520px; }
  .hero-inner { padding-top:26px; }
  .campaign-eyebrow { font-size:21px; }
  .hero-description { font-size:15px; margin-top:16px; }
  .hero-description br { display:block; }
  .gift-visual { height:140px; }
  .gift-visual img { height:125px; }
  .gift-details h3 { font-size:14px; }
  .gift-details p { font-size:11px; }
  .section-intro h2 { font-size:16px; text-wrap:balance; }
  .section-eyebrow { font-size:12px; }
  .participation-steps li { font-size:11px; gap:4px; }
  .question-title { font-size:18px; }
  .option-card { padding:16px 13px; }
  .option-copy strong { font-size:16px; }
  .option-copy>span { font-size:12px; }
  .option-indicator { width:22px; height:22px; margin-left:3px; }
  .survey-navigation .button { font-size:15px; }
  .prize-image { height:125px; }
  .prize-copy { font-size:12px; }
}
@media (max-height:500px) {
  .site-header { height:56px; }
  #survey-view { padding-top:15px; }
  .survey-navigation { padding-top:8px; padding-bottom:calc(8px + env(safe-area-inset-bottom,0px)); }
  .survey-navigation .button { min-height:48px; padding-block:11px; }
  .question-card { padding-block:16px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { transition:none!important; animation:none!important; scroll-behavior:auto!important; }
}