:root{--green:#143d2e;--muted:#56685b;--cream:#f7f4ee;--gold:#d4af6a;--line:#dce1d7;--soft:#edf0e7;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--green);background:var(--cream);font-synthesis:none;scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0;line-height:1.65}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit;text-underline-offset:4px}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #b27a20;outline-offset:4px}[hidden]{display:none!important}.wrap{max-width:1100px;margin:auto;padding-left:28px;padding-right:28px}.header{max-width:1220px;margin:auto;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:22px 28px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:19px;font-weight:650}.brand img{border-radius:8px}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:.05em}.quiet{border:0;background:transparent;color:var(--green);min-height:44px;padding:10px 12px}.skip{position:fixed;top:-80px;left:16px;padding:12px;background:white;z-index:10}.skip:focus{top:8px}.hero{padding-top:58px;padding-bottom:34px;max-width:860px;text-align:center}.eyebrow{font-size:12px;letter-spacing:.1em;color:var(--muted);margin:0 0 15px}h1,h2,h3,p{overflow-wrap:anywhere}h1{font-family:"Songti SC","STSong",serif;font-size:clamp(34px,5vw,56px);line-height:1.3;font-weight:650;letter-spacing:-.035em;margin:0 0 22px}h1 span{color:#648067}.lead{font-size:17px;color:var(--muted);line-height:1.9}.steps{display:flex;justify-content:center;gap:28px;margin:27px 0;font-size:13px}.steps b{font-size:12px;color:#8a6b32;margin-right:6px}.gift{display:flex;align-items:center;justify-content:center;text-align:left;gap:16px;background:#eee5d2;border-radius:16px;padding:19px 25px;margin:28px auto 0;max-width:650px}.gift-symbol{border:1px solid #b89b5f;border-radius:50%;width:40px;height:40px;display:grid;place-items:center;flex:none;color:#745823}.gift p{font-size:14px;margin:3px 0;color:#56604d}.gift a{font-size:12px}.origin details{border:1px solid var(--line);border-radius:13px;background:#faf8f3}.origin summary{display:flex;justify-content:space-between;align-items:center;padding:17px 20px;list-style:none}.origin summary small{margin-left:10px;color:var(--muted);font-size:12px;font-weight:400}summary{cursor:pointer;min-height:48px}.origin-inner{padding:0 20px 22px}.origin-inner>p{font-size:14px;color:var(--muted);max-width:780px}.original-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}figure{margin:0}.photo{aspect-ratio:16/9;position:relative;overflow:hidden;background:#eee}.photo img{width:56.25%;height:auto;position:absolute;left:50%;top:50%}.photo .clockwise{transform:translate(-50%,-50%) rotate(90deg)}.photo .anticlockwise{transform:translate(-50%,-50%) rotate(-90deg)}figcaption{font-size:12px;color:var(--muted);padding:7px 0}.text-link{display:inline-block;font-size:13px;margin-top:12px}.designs{padding-top:52px;scroll-margin-top:20px}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:24px}.section-title h2{font-size:29px;line-height:1.25;margin:0}.section-title p{font-size:13px;color:var(--muted);margin:0}.section-title .eyebrow{margin:0 0 7px;font-size:11px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.logo-card{border:1px solid var(--line);border-radius:15px;overflow:hidden;position:relative;background:#fffdf8;transition:border-color .15s,box-shadow .15s}.logo-card.selected{border:2px solid var(--green);box-shadow:0 0 0 2px #143d2e12}.logo-card.selected .logo-body{padding:15px 17px 17px}.art-button{display:block;position:relative;background:var(--cream);padding:0;border:0;width:100%;aspect-ratio:1;color:var(--green)}.art-button img{display:block;width:100%;height:100%;object-fit:contain}.art-hint{position:absolute;bottom:10px;right:10px;background:#fffdf8eb;padding:4px 9px;border-radius:15px;font-size:11px}.logo-body{padding:16px 18px 18px}.logo-title{display:flex;gap:10px;align-items:center}.number{background:var(--soft);border-radius:6px;font-size:12px;min-width:27px;line-height:27px;text-align:center}.logo-title h3{font-size:18px;margin:0}.logo-desc{font-size:13px;color:var(--muted);margin:12px 0 16px;min-height:42px}.pick{position:relative;display:flex;gap:9px;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--line);border-radius:8px;cursor:pointer;font-size:14px}.pick input{width:18px;height:18px;accent-color:var(--green);margin:0}.selected .pick{background:var(--green);color:#fff}.pick:has(input:focus-visible){outline:3px solid #b27a20;outline-offset:3px}.pick:has(input:disabled){cursor:default}.notice{border-left:3px solid var(--gold);background:#eee5d2;padding:12px 16px;margin:0 0 16px;font-size:14px}.feedback-area{margin:30px 0 0;padding:24px;border:1px solid var(--line);border-radius:14px}.feedback-area label{display:block;font-weight:600;margin-bottom:12px}.feedback-area label span{font-size:12px;color:var(--muted);font-weight:400;margin-left:9px}textarea{width:100%;border:1px solid #bcc8b8;background:#fffdf8;padding:14px;border-radius:9px;color:var(--green);resize:vertical;font-size:16px}.field-note{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin-top:6px}.trap{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}.rules{padding-top:48px;padding-bottom:28px}.rules h2{font-size:23px;margin:0 0 18px}.rules details{border-top:1px solid var(--line);padding:10px 0}.rules summary{font-weight:600;display:flex;align-items:center;list-style:none}.rules summary::after{content:'＋';margin-left:auto}.rules details[open] summary::after{content:'−'}.rules details>div{font-size:14px;color:var(--muted);padding-bottom:15px;max-width:860px}dl{font-size:13px;margin:18px 0}dl>div{display:grid;grid-template-columns:75px 1fr;gap:10px;padding:6px 0}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}.primary,.secondary{display:inline-flex;justify-content:center;align-items:center;min-height:46px;border-radius:8px;border:1px solid var(--green);padding:11px 20px;text-decoration:none;font-weight:550}.primary{background:var(--green);color:#fff}.secondary{background:transparent;color:var(--green)}.vote-bar{position:fixed;bottom:0;left:0;right:0;background:#fffdf8f7;backdrop-filter:blur(12px);border-top:1px solid #ccd6c6;padding:14px 24px max(12px,env(safe-area-inset-bottom));z-index:5;box-shadow:0 -6px 26px #143d2e08}.bar-inner{max-width:1044px;margin:auto;display:grid;grid-template-columns:1fr auto;gap:0 20px;align-items:center}.selection{display:flex;flex-direction:column;line-height:1.6}.selection strong{font-size:16px}.selection span{font-size:13px;color:var(--muted)}.submit{min-width:260px}.bar-inner>p{grid-column:1/-1;font-size:11px;color:var(--muted);margin:5px 0 0;text-align:right}.footer{border-top:1px solid var(--line);padding-top:26px;padding-bottom:180px;color:var(--muted);font-size:13px}.footer a{text-decoration:none}.footer p{margin-bottom:3px}.footer small{font-size:11px}.toast{position:fixed;left:50%;bottom:145px;transform:translateX(-50%);background:var(--green);color:white;box-shadow:0 4px 28px #0002;padding:12px 18px;border-radius:9px;max-width:min(90vw,540px);width:max-content;font-size:14px;z-index:30}.success{padding-top:50px;scroll-margin-top:20px}.success>h2{font-size:32px;margin:0}.success>p:not(.eyebrow){color:var(--muted)}.coupon{border:1px solid #d2be95;border-radius:16px;overflow:hidden;display:grid;grid-template-columns:1fr 235px;background:#fffaf0}.coupon-main{padding:28px}.coupon-tag{color:#836128;font-size:12px}.coupon h3{font-size:24px;margin:12px 0 0}.coupon-benefit{font-size:20px;font-weight:600;margin:9px 0 20px}.coupon-code-wrap{border-top:1px dashed #c9bd9d;border-bottom:1px dashed #c9bd9d;padding:15px 0}.coupon-code-wrap span{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.coupon-code-wrap code{font-size:clamp(15px,2.1vw,22px);letter-spacing:.035em;word-break:break-all;user-select:all}.coupon-actions{display:flex;gap:12px;flex-wrap:wrap}.small{font-size:12px;color:var(--muted)}.teacher{padding:24px;border-left:1px dashed #d2be95;align-content:center}.teacher img{display:block;max-width:100%;height:auto}.teacher p{font-size:12px;text-align:center}.results{padding-top:32px}.results h3{margin:0}.result-row{display:grid;grid-template-columns:120px 1fr 60px;gap:16px;align-items:center;font-size:13px;margin:12px 0}.result-track{height:7px;background:#e3e7dc;border-radius:5px;overflow:hidden}.result-fill{height:100%;background:#729071;min-width:0}.result-count{text-align:right;color:var(--muted)}dialog{padding:0;border:0;border-radius:18px;width:min(94vw,730px);max-height:92dvh;background:var(--cream);color:var(--green);box-shadow:0 15px 80px #0004}dialog::backdrop{background:#13281fc9}.dialog-inner{position:relative;overflow:auto;max-height:92dvh}.close{position:absolute;right:12px;top:12px;z-index:2;font-size:29px;line-height:1;border:1px solid var(--line);background:#fffdf8;border-radius:50%;width:44px;height:44px;color:var(--green)}.preview-art{max-width:470px;margin:auto}.preview-art img{display:block;width:100%;height:auto}.preview-copy{padding:0 30px 25px}.preview-copy h2{margin:0;font-size:24px}.preview-copy p{margin:8px 0 18px}.preview-controls{display:flex;gap:10px}.preview-controls .primary{flex:1}.save-inner{padding:28px;position:relative}.save-inner h2{font-size:22px;margin:0 50px 6px 0}.save-inner p{font-size:13px;color:var(--muted)}#coupon-image{display:block;width:100%;height:auto;margin:15px 0}.save-inner>a{width:100%}@media(max-width:700px){.wrap{padding-left:18px;padding-right:18px}.header{padding:14px 18px}.brand{font-size:17px;gap:8px}.brand img{width:35px;height:35px}.header .quiet{font-size:12px;padding:8px}.hero{padding-top:36px}.lead{font-size:15px}.steps{gap:14px;font-size:12px}.gift{padding:17px;gap:12px}.origin summary{padding:14px}.origin summary small{display:block;margin:0}.original-grid{grid-template-columns:1fr}.section-title{display:block}.section-title h2{font-size:25px}.section-title>p{margin-top:9px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.logo-body{padding:12px}.logo-card.selected .logo-body{padding:11px}.logo-title{gap:6px}.logo-title h3{font-size:16px}.number{min-width:23px;line-height:23px;font-size:11px}.logo-desc{font-size:12px;line-height:1.7;min-height:62px;margin:10px 0 12px}.art-hint{font-size:10px;padding:2px 6px;bottom:6px;right:6px}.pick{font-size:13px}.feedback-area{padding:17px}.feedback-area label{font-size:15px}.field-note{font-size:11px}.vote-bar{padding:12px 18px max(12px,env(safe-area-inset-bottom))}.bar-inner{gap:0 12px;grid-template-columns:1fr auto}.submit{min-width:0;padding:12px 14px;font-size:13px}.selection strong{font-size:14px}.selection span{font-size:11px;max-width:150px}.bar-inner>p{font-size:10px}.coupon{grid-template-columns:1fr}.coupon-main{padding:23px 20px}.coupon h3{font-size:23px}.coupon-code-wrap code{font-size:18px}.teacher{border-left:0;border-top:1px dashed #d2be95;padding:20px}.teacher img{width:155px;margin:auto}.results .section-title{display:flex;align-items:center}.result-row{grid-template-columns:103px 1fr 42px;gap:10px;font-size:12px}.preview-copy{padding:0 20px 20px}.preview-art{max-height:52dvh;width:min(100%,52dvh)}.toast{bottom:145px}.footer{padding-bottom:180px}.save-inner{padding:22px 16px}}@media(max-width:359px){.grid{grid-template-columns:1fr}.logo-desc{min-height:0}.bar-inner{grid-template-columns:1fr}.selection{flex-direction:row;gap:8px;margin-bottom:7px;align-items:center}.selection span{max-width:none}.bar-inner>p{text-align:center}.logo-title h3{font-size:18px}.logo-desc{font-size:14px}.steps{gap:9px;font-size:10px}.steps b{margin-right:3px}.header .brand small{font-size:8px}.header .quiet{font-size:11px}.hero h1{font-size:32px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{transition:none!important}}@media print{.header,.vote-bar,.toast,dialog,.feedback-area,.rules,.footer,.results,.origin{display:none!important}.success{display:block!important}.coupon{break-inside:avoid}.designs,.hero{display:none}}

@media(max-width:700px){.hero{padding-top:26px;padding-bottom:24px}.hero>.eyebrow{font-size:11px;margin-bottom:12px}.hero h1{margin-bottom:14px}.hero .lead{margin:12px 0;font-size:14px;line-height:1.75}.hero .steps{margin:20px 0;gap:12px;font-size:11px}.hero .gift{margin-top:18px;padding:14px}.hero .gift p{font-size:13px}.designs{padding-top:32px}}
/* 2026-09-22: quicker browsing, clear reward details and selected-design comparison. */
.hero{padding-top:40px;padding-bottom:28px}.hero-actions{display:flex;align-items:center;justify-content:center;gap:20px;margin:23px 0 0}.hero-actions>span{font-size:12px;color:var(--muted)}.hero-actions .primary{padding:11px 22px}.origin summary{padding:13px 20px}.designs{padding-top:30px}.gift{max-width:none;justify-content:flex-start;margin:28px 0 0;padding:24px}.gift .eyebrow{font-size:11px}.gift h3{font-size:24px;margin:3px 0 5px}.gift .gift-deadline{font-size:12px;color:#56604d;margin:8px 0}.selection-top{display:flex;align-items:center;gap:12px}.compare-link{border:0;background:transparent;text-decoration:underline;text-underline-offset:3px;font-size:13px;min-height:32px;padding:2px 8px;color:var(--green)}#selection-numbers{display:flex;align-items:center;gap:5px;min-height:32px;max-width:none}.selection-chip{border:1px solid var(--line);background:var(--soft);border-radius:6px;padding:3px 8px;min-height:32px;line-height:1.25;color:var(--green);font-size:12px;white-space:nowrap}.selection-chip:focus-visible{outline-offset:1px}#compare-dialog{width:min(94vw,960px)}.compare-inner{padding:28px}.compare-inner h2{margin:0;font-size:26px}.compare-inner>.eyebrow{padding-right:38px}.compare-inner>p:not(.eyebrow){font-size:14px;color:var(--muted)}#compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.compare-card{min-width:0}.compare-card img{display:block;width:100%;border-radius:10px}.compare-card h3{font-size:17px;margin:10px 0}.compare-card p{font-size:13px;color:var(--muted)}.compare-card .secondary{width:100%;font-size:13px;padding:9px 4px}.logo-card.selected{border-width:1px;box-shadow:0 0 0 2px var(--green)}.logo-card.selected .logo-body{padding:16px 18px 18px}button,input,textarea,a{scroll-margin-bottom:150px}
@media(max-width:700px){.hero{padding-top:24px;padding-bottom:22px}.hero h1{font-size:34px;margin-bottom:12px}.hero>.eyebrow{font-size:10px;margin-bottom:12px}.hero .lead{font-size:14px;margin:10px 0}.hero-actions{gap:10px;flex-direction:column;margin-top:18px}.hero-actions .primary{min-height:44px}.hero-actions>span{font-size:11px}.origin summary{padding:11px 14px}.origin summary small{display:inline;margin-left:7px;font-size:10px}.origin summary>span:first-child{font-size:13px}.designs{padding-top:26px}.section-title{margin-bottom:18px}.section-title h2{font-size:24px}.gift{padding:18px;gap:12px;align-items:flex-start}.gift h3{font-size:22px}.gift-symbol{width:32px;height:32px;margin-top:3px}.logo-card.selected .logo-body{padding:12px}.compare-inner{padding:22px 14px}.compare-inner h2{font-size:23px}#compare-grid{gap:10px}.compare-card h3{font-size:13px}.compare-card p{font-size:12px}.compare-card .secondary{font-size:11px}.selection-chip{padding:3px 6px;min-height:34px}.vote-bar{padding-top:9px;padding-bottom:max(9px,env(safe-area-inset-bottom))}.bar-inner{gap:0 8px}.selection-top{gap:7px}.submit{padding:12px;font-size:12px}.bar-inner>p{margin-top:3px}.field-note{flex-wrap:wrap}}
@media(max-width:359px){.hero h1{font-size:30px}.selection{flex-direction:row;justify-content:space-between;gap:5px}.selection-top{gap:0}.selection strong{font-size:13px}.compare-link{font-size:12px;padding:2px 4px}.selection-chip{font-size:11px;padding:3px 5px}.origin summary small{display:none}.compare-card p{font-size:11px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}}
.campaign-summary{display:inline-block;background:#eee5d2;border-radius:9px;padding:10px 18px;margin:2px 0 12px}.campaign-summary p{margin:0;font-size:13px}.campaign-summary p:first-child{font-weight:600}.campaign-summary p+p{font-size:12px;color:var(--muted);margin-top:3px}.eligibility{margin-top:22px;padding:18px 20px;border:1px solid #c6cfbe;border-radius:12px;background:#f0f2e9;scroll-margin-top:20px}.eligibility label{display:flex;align-items:flex-start;gap:12px;cursor:pointer;font-size:15px;min-height:44px}.eligibility input{width:20px;height:20px;margin:3px 0 0;accent-color:var(--green);flex:none}.eligibility p{font-size:12px;color:var(--muted);margin:8px 0 0 32px}#quota-status{font-weight:600}.allocation-status{font-size:14px;padding:12px;background:#eee5d2;border-radius:8px}#scope-shortcut{grid-column:1/-1;font-size:12px;text-align:right;margin-top:3px}#scope-shortcut+ #bar-note{margin-top:2px}.hero h1{margin-bottom:16px}@media(max-width:700px){.campaign-summary{padding:9px 12px}.campaign-summary p{font-size:11px}.campaign-summary p+p{font-size:10px}.eligibility{padding:16px}.eligibility label{font-size:14px}#scope-shortcut{font-size:11px}.toast{bottom:172px}}