:root{--bg:#f6f3ec;--ink:#203b34;--muted:#78847d;--green:#1d5948;--orange:#d9643d;--line:#e2e4d9;--white:#fffef9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.6;-webkit-tap-highlight-color:transparent}.shell{max-width:480px;min-height:100dvh;margin:auto;padding:0 22px;background:var(--bg)}a{color:inherit;text-decoration:none}button,a,input{touch-action:manipulation}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #e49d38;outline-offset:4px}.brand{padding:24px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:8px}.brand>a{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;line-height:1.2}.brand small{font-size:8px;letter-spacing:1.8px;display:block;margin-top:5px;font-weight:500}.brand-icon{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:white;border-radius:10px;font-family:serif;font-size:23px}.demo{font-size:10px;border:1px solid #d4d8cc;padding:4px 8px;border-radius:20px;color:#727e75;white-space:nowrap}h1,h2,h3,p{margin:0}h1{font-size:42px;line-height:1.18;letter-spacing:-2px;font-weight:800;margin:15px 0}h2{font-size:23px;line-height:1.5}h3{font-size:17px}.eyebrow{display:flex;align-items:center;gap:8px;color:var(--orange);font-size:11px;font-weight:700;letter-spacing:1.5px}.dot{width:6px;height:6px;border-radius:50%;background:var(--orange)}.subtitle{color:#6d7e73;font-size:14px;line-height:1.8}.hero{position:relative;padding:14px 0 0}.hero h1 span{color:var(--orange)}.art{height:200px;position:relative;margin:14px 0 4px;overflow:hidden}.art svg{width:100%;height:100%}.art-tag{position:absolute;right:10px;top:24px;transform:rotate(7deg);font-size:10px;border:1px solid var(--green);padding:3px 10px;background:var(--white);border-radius:30px}.stats{display:flex;justify-content:space-around;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin-bottom:22px}.stats>div{text-align:center;flex:1;line-height:1.3}.stats>div+div{border-left:1px solid var(--line)}.stats strong{font-size:22px}.stats span{font-size:11px;color:var(--muted);display:block;margin-top:5px}.section-label{display:flex;justify-content:space-between;align-items:center;margin:20px 0 12px}.section-label span{font-size:10px;color:var(--muted);letter-spacing:1px}.prizes{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:4px 18px}.prize{display:flex;align-items:center;gap:12px;padding:13px 0}.prize+.prize{border-top:1px dashed var(--line)}.prize .num{font-family:Georgia,serif;font-size:25px;color:var(--orange);min-width:53px;line-height:1.1}.prize .num small{font-family:inherit;font-size:12px}.prize b{display:block;font-size:13px}.prize p{color:var(--muted);font-size:11px}.gift-icon{margin-left:auto;font-size:22px}.primary,.secondary{border:0;border-radius:13px;padding:15px 20px;font-weight:700;font-size:15px;min-height:52px}.primary{background:var(--green);color:white}.primary:disabled{background:#b3bdb1;cursor:default}.secondary{color:var(--green);background:#e9ede3}.wide{display:block;width:100%}.start{margin-top:23px;display:flex;justify-content:space-between;align-items:center;padding:17px 21px}.arrow{font-size:22px;line-height:1}.note{font-size:11px;line-height:1.8;color:var(--muted);margin-top:12px}.links{display:flex;justify-content:center;gap:24px;font-size:12px;margin-top:17px;color:#537164;text-decoration:underline;text-underline-offset:4px}footer{text-align:center;padding:28px 0 24px;font-size:10px;color:#839086}footer span{color:#a1a89c;font-size:9px}.topline{display:flex;justify-content:space-between;align-items:center;margin:12px 0;color:var(--muted);font-size:12px}.back{border:0;background:none;padding:6px 0;color:#526b5c;font-size:13px}.progress{height:5px;background:#e2e6d9;border-radius:6px;overflow:hidden;margin:15px 0 26px}.progress>div{height:100%;background:var(--orange);transition:width .2s}.qmeta{font-size:11px;color:var(--orange);letter-spacing:1px;margin-bottom:13px}.question-title{font-size:23px;line-height:1.55;letter-spacing:-.5px;margin-bottom:25px;min-height:100px}.options{display:grid;gap:11px}.option{display:flex;align-items:center;gap:13px;width:100%;text-align:left;border:1px solid #dde1d5;border-radius:14px;background:var(--white);padding:17px 15px;font-size:15px;line-height:1.65;min-height:66px;color:var(--ink)}.option .letter{flex:none;display:grid;place-items:center;border:1px solid #dce1d6;border-radius:50%;height:28px;width:28px;font-size:12px;color:#7b887d}.option.selected{border-color:var(--green);background:#e9eee2;box-shadow:inset 0 0 0 1px var(--green)}.option.selected .letter{background:var(--green);border-color:var(--green);color:white}.qnav{display:flex;gap:12px;margin-top:28px}.qnav .primary{flex:1}.qnav .secondary{min-width:88px}.question-map{display:flex;gap:7px;justify-content:center;margin-top:26px}.question-map button{border:1px solid #dfe3d7;background:transparent;width:27px;height:29px;border-radius:7px;font-size:10px;color:#829080;padding:0}.question-map button.done{background:#dbe5d5;border-color:#dbe5d5;color:var(--green)}.question-map button.current{border:1px solid var(--green);color:var(--green);font-weight:bold}.toast{padding:10px 13px;border-radius:10px;background:#fff0e4;color:#a44e25;margin-top:15px;font-size:13px}.result-hero{text-align:center;padding:13px 0 25px}.result-hero .eyebrow{justify-content:center}.score{font-size:93px;line-height:1.2;font-weight:800;letter-spacing:-6px;color:var(--green);margin-top:16px}.score small{font-size:16px;letter-spacing:0;margin-left:7px}.score-caption{color:var(--muted);font-size:12px;margin:2px 0 17px}.result-hero h1{font-size:30px;letter-spacing:-1px}.ticket{border-radius:20px;background:var(--green);color:white;padding:22px;position:relative;margin-bottom:19px;overflow:hidden}.ticket:after{content:"DEMO";position:absolute;right:-6px;bottom:-17px;opacity:.07;font-size:100px;font-weight:900;letter-spacing:-8px;pointer-events:none}.ticket .label{font-size:10px;letter-spacing:2px;color:#b7ceba}.ticket h2{font-size:26px;margin:6px 0 7px}.ticket .giftline{font-size:15px;color:#ebf1e6}.ticket .divider{border-top:1px dashed #71917b;margin:18px 0 13px}.ticket .tiny{font-size:11px;color:#c6d6c4}.ticket .stamp{display:inline-block;border:1px solid #99b99a;border-radius:4px;font-size:10px;padding:2px 5px;transform:rotate(-8deg);float:right;color:#c3d4bf}.row{display:flex;gap:10px}.row>*{flex:1}.review-card{border:1px solid var(--line);background:var(--white);border-radius:16px;padding:18px;margin:13px 0}.review-head{display:flex;justify-content:space-between;font-size:11px;margin-bottom:12px;color:#7f8e80}.badge{padding:2px 8px;border-radius:5px;background:#e4edde;color:var(--green)}.badge.wrong{background:#fae8df;color:#b75a35}.review-card h3{font-size:16px;line-height:1.7;margin-bottom:13px}.review-option{padding:8px 10px;margin:5px 0;border-radius:7px;font-size:13px;color:#697b6d}.review-option.correct{background:#eaf1e3;color:var(--green)}.review-option.incorrect{background:#fff0e9;color:#aa4e2d}.explanation{font-size:12px;color:#627767;border-top:1px solid var(--line);margin-top:13px;padding-top:13px;line-height:1.9}.source{font-size:10px;color:#94a08e;margin-top:7px}.source a{text-decoration:underline}dialog{border:0;border-radius:20px;padding:26px;max-width:calc(100% - 44px);width:370px;background:var(--white);color:var(--ink)}dialog::backdrop{background:#18382a60;backdrop-filter:blur(3px)}dialog h2{font-size:21px}dialog p{font-size:13px;color:var(--muted);margin:12px 0 23px}.loading{min-height:50dvh;display:grid;place-items:center;text-align:center}.rules{padding:20px 0}.rules p{font-size:14px;line-height:1.9;margin:15px 0;color:#5c7263}.rules h2{margin:14px 0}.small-btn{border:0;background:none;color:var(--green);text-decoration:underline;font-size:12px;padding:8px}.error{color:#a44e25}@media(max-width:350px){.shell{padding:0 16px}h1{font-size:37px}.brand>a{font-size:14px}.question-map{gap:5px}.question-map button{width:24px}.option{padding:14px 12px}.prize .num{min-width:48px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
/* Brand revision: brochure blues, original logo and tote-bag mascot. */
:root{--bg:#EAF1FA;--ink:#18375b;--muted:#667e99;--green:#1B62B4;--orange:#F08300;--line:#cad9ec;--white:#fff}body{background:#dce7f4}.shell{max-width:480px;padding:0 20px;background:linear-gradient(180deg,#f6f9ff 0,#EAF1FA 65%,#f5f8fd 100%)}.brand{padding:21px 0 20px}.company-logo{width:177px;height:auto;display:block}.demo{border-color:#c6d6e9;color:#667e99;font-size:10px}.blue-hero{border-radius:22px;padding:25px 23px 0;background:linear-gradient(145deg,#16467F 0%,#1a579a 60%,#1B62B4 100%);overflow:hidden;isolation:isolate;color:white;box-shadow:0 14px 28px #16467f16}.blue-hero:before{content:"";position:absolute;width:235px;height:235px;border:1px solid #ffffff13;border-radius:50%;right:-115px;top:-110px;z-index:-1}.blue-hero .eyebrow{color:#d7e8fc;font-size:10px;letter-spacing:1px}.blue-hero .dot{background:#F08300}.blue-hero h1{font-size:34px;letter-spacing:-1.5px;line-height:1.35;margin:16px 0 10px;font-weight:800}.blue-hero h1 span{color:white}.blue-hero h1:after{content:"";display:block;width:39px;height:4px;background:#F08300;margin-top:15px;border-radius:2px}.blue-hero .subtitle{color:#d5e5f8;font-size:12px;line-height:1.85}.mascot-scene{height:228px;position:relative;margin-top:-3px}.mascot-scene>img{position:absolute;z-index:2;right:5px;bottom:1px;height:238px;width:auto;filter:drop-shadow(0 10px 9px #071c3b33)}.scene-number{position:absolute;left:-5px;bottom:37px;font-size:108px;line-height:1;letter-spacing:-8px;font-weight:900;color:#ffffff0d;z-index:0}.orbit{position:absolute;border:1px solid #ffffff1a;border-radius:50%;width:185px;height:185px;right:2px;bottom:24px}.orbit-two{width:222px;height:222px;right:-17px;bottom:5px;border-style:dashed;border-color:#ffffff0e}.mascot-note{position:absolute;left:0;top:58px;color:#deebfb;font-size:14px;line-height:1.9;font-weight:500}.mascot-note i{display:block;font-style:normal;font-size:26px;color:#ffb24f;margin-top:8px}.scene-baseline{position:absolute;bottom:0;left:3px;right:0;height:1px;background:linear-gradient(90deg,transparent,#a1c4eb55,transparent)}.hero-bottom{display:flex;align-items:center;justify-content:space-between;margin:0 -23px;padding:15px 23px;background:#103d743d;border-top:1px solid #ffffff13}.hero-bottom>span{font-size:10px;letter-spacing:1px;color:#c9ddf6}.hero-bottom>b{font-size:14px;letter-spacing:1px;color:#ffd39b;display:flex;gap:6px;align-items:center}.hero-bottom>b:before{content:"";width:5px;height:5px;background:#F08300;border-radius:50%}.challenge-intro{padding:4px 0 0}.section-label{margin:23px 0 16px}.section-label h3{font-size:15px;color:#16467F}.section-label>span{font-size:8px;letter-spacing:.6px;color:#8296af}.stats{background:#ffffffa8;border:1px solid #d3e0f0;border-radius:14px;padding:17px 0;margin:0}.stats>div+div{border-color:#dce6f3}.stats strong{font-size:25px;color:#16467F}.stats strong small{font-size:11px;font-weight:500}.stats .prize-word{font-size:17px;line-height:1.9}.stats span{font-size:10px;color:#6d85a1}.start{margin-top:17px;background:linear-gradient(100deg,#16467F,#1B62B4);box-shadow:0 7px 16px #1b62b422;min-height:57px;border-radius:13px}.note{color:#7a8da5;font-size:10px;margin-top:14px}.challenge-intro>.note{text-align:center}.links{margin-top:8px;gap:18px;color:#527499;font-size:11px;align-items:center}.small-btn{color:#527499;font-size:11px}.secondary{background:#e0eaf7;color:#16467F}footer{padding:25px 0 23px;color:#6d84a0;font-size:10px}footer span{display:block;color:#16467F;letter-spacing:3px;font-size:12px;margin-top:8px}.option{border-color:#cedcee;background:white}.option .letter{border-color:#cfdded;color:#738ba5}.option.selected{background:#e1edfc;border-color:#1B62B4;box-shadow:inset 0 0 0 1px #1B62B4}.option.selected .letter{background:#1B62B4;color:white;border-color:#1B62B4}.progress{background:#d3e1f1}.progress>div{background:#1B62B4}.qmeta{color:#1B62B4}.back{color:#527499}.question-map button{border-color:#cddbed;color:#718aa6}.question-map button.done{background:#d6e5f9;border-color:#d6e5f9;color:#16467F}.question-map button.current{border-color:#1B62B4;color:#16467F}.ticket{background:linear-gradient(135deg,#16467F,#1B62B4);padding-right:80px;min-height:210px}.ticket .label{color:#b9d5f4;font-size:9px}.ticket .giftline{font-size:12px;color:#dfedff}.ticket .tiny{color:#c5dcf8;font-size:10px}.ticket .divider{border-color:#87add75c}.ticket .stamp{float:none;border-color:#a4c6f27a;color:#c5dbf4;font-size:8px;margin-bottom:9px}.ticket:after{font-size:80px;color:white;bottom:-13px}.result-mascot{position:absolute;width:83px;height:auto;right:7px;bottom:16px;z-index:1}.result-hero h1{font-size:27px;color:#16467F}.badge{background:#e4eefb;color:#1B62B4}.review-option.correct{background:#e5effb;color:#16467F}.explanation{color:#58718f}.source{color:#8196af}.rules p{color:#58718f}.rules .brand-slogan{color:#16467F;text-align:center;letter-spacing:3px;margin-top:28px}.row>.secondary{font-size:13px;padding:14px 10px}@media(max-width:350px){.shell{padding:0 15px}.company-logo{width:157px}.blue-hero{padding:22px 19px 0}.blue-hero h1{font-size:30px}.blue-hero .eyebrow{font-size:9px}.hero-bottom{margin:0 -19px;padding:14px 19px}.mascot-scene>img{height:218px;right:-10px}.mascot-scene{height:208px}.mascot-note{font-size:12px;top:55px}.section-label h3{font-size:13px}.section-label>span{font-size:7px}.stats .prize-word{font-size:15px}}
.test-banner{background:#fff0d9;color:#88510b;border:1px solid #f2d3a3;font-size:11px;padding:9px 12px;border-radius:9px;margin:2px 0 14px;line-height:1.7}input:not([type=checkbox]){display:block;width:100%;border:1px solid #b7cce5;border-radius:10px;padding:13px 12px;font:inherit;background:white;color:#18375b;min-height:49px}.input-label{display:block;font-size:12px;font-weight:600;margin:16px 0 7px}.checkline{display:flex;align-items:flex-start;gap:9px;font-size:11px;line-height:1.9;margin:16px 0;color:#586f8c}.checkline input{flex:none;width:17px;height:17px;accent-color:#1B62B4;margin:3px 0 0}.checkline a{color:#1B62B4;text-decoration:underline}.claim-card{text-align:center;background:white;border:1px solid #c7d8ed;border-radius:18px;padding:23px 18px;margin-bottom:20px}.claim-card h3{font-size:15px}.claim-qr{display:block;width:220px;max-width:100%;height:auto;margin:17px auto}.claim-status{color:#1B62B4;font-weight:700;font-size:19px;margin:12px 0}.claim-status.used{color:#ae4b31}.verify-card{padding:19px;border:2px solid #1B62B4;border-radius:16px;background:white;margin:20px 0}.verify-card.redeemed{border-color:#b9654d;background:#fffaf7}.verify-card p{font-size:12px}.verify-mode{display:block;color:#96600f;background:#fff0da;border-radius:6px;padding:5px 8px;font-size:11px;margin-bottom:13px}.verify-score{font-size:32px;font-weight:800;color:#16467F}.verify-card h2{font-size:28px}.verify-card .checkline{font-size:12px}.rules details{margin-top:24px;font-size:13px}.rules summary{cursor:pointer}.rules details p{margin:6px 0}.question-title{min-height:112px}.hero-bottom>b{white-space:nowrap}
.quiz-timer{font-variant-numeric:tabular-nums;color:#16467F;white-space:nowrap}.quiz-timer.urgent{color:#b84425}.time-warning{background:#fff0e9;color:#a23c20;border:1px solid #ecc4b5;border-radius:9px;padding:10px 12px;font-size:12px;line-height:1.8;margin:12px 0}.review-summary{padding:18px 0}.review-summary h2{font-size:23px;margin:15px 0 10px}.review-summary>p{font-size:13px;color:#567291}.review-summary .note{font-size:11px}.review-summary strong{font-size:25px;color:#16467F}.correct-review{font-size:13px;color:#527499;margin:20px 0}.correct-review summary{cursor:pointer}.read-end{text-align:center;font-size:11px;color:#7b91aa;padding:22px 0;margin-bottom:12px;border-bottom:1px solid #cbd9e9}#generate-claim{font-size:13px;margin-bottom:12px}
/* Inventory lottery: mobile experience and one-touch staff actions. */
.lottery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:18px 0}.lottery-cell{position:relative;text-align:center;background:#fff;border:2px solid #d7e3f3;border-radius:16px;padding:12px 4px 14px;transition:background .1s,border-color .1s,transform .1s}.prize-picture{display:block;width:100%;max-width:105px;height:105px;object-fit:contain;margin:auto}.lottery-cell b{font-size:11px;color:#16467f;display:block;margin-top:6px}.lottery-cell.drawing{border-color:#f08300;background:#fff1d5;transform:translateY(-3px);box-shadow:0 5px 15px #f0830030}.lottery-cell.sold-out{opacity:.5}.lottery-cell>span{font-size:10px;color:#a24e29}.draw-button{background:linear-gradient(110deg,#ef8b12,#e86c16);font-size:18px;min-height:62px;box-shadow:0 8px 18px #e87c2125}.centered{text-align:center}.result-hero>.prize-picture{height:166px;max-width:180px;margin:10px auto 15px}.claim-code{font-size:10px;letter-spacing:.3px;overflow-wrap:anywhere;color:#8294aa}.demo-staff-link{display:block;margin-top:5px}.staff-console{padding:4px 0 20px}.staff-console h2{font-size:22px}.staff-tabs{display:flex;background:#e0eaf7;border-radius:13px;padding:5px;gap:3px;margin:20px 0 10px}.staff-tabs button{border:0;background:transparent;padding:11px 3px;flex:1;border-radius:9px;font-size:13px;font-weight:700;color:#637d9b}.staff-tabs button.active{background:white;color:#16467f;box-shadow:0 3px 8px #16467f0d}.staff-mode{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#7a8da5}.staff-mode span{border:1px solid #c8d9ed;border-radius:20px;padding:3px 10px}.verify-card{text-align:center;margin-top:13px}.verify-card .prize-picture{height:145px;max-width:150px}.verify-card h2{font-size:25px}.verify-card .note{font-size:11px}.staff-prizes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px;margin:16px 0}.staff-prize{padding:12px 6px;border:1px solid #cadbed;border-radius:15px;background:white;color:#16467f;min-width:0}.staff-prize b{display:block;font-size:13px;margin-top:8px}.staff-prize>span{display:block;font-size:11px;color:#6f85a0;margin-top:5px}.staff-prize>strong{display:block;margin:10px 8px 0;padding:7px;border-radius:8px;background:#e9f1fc;font-size:13px}.staff-prize:disabled{opacity:.4;cursor:default}.staff-intro{margin:24px 0 16px}.staff-intro h3{font-size:23px}.staff-intro p{font-size:12px;color:#7488a0;margin-top:8px}.swap-panel{border-top:1px solid #d5e2f1;margin-top:22px;padding-top:14px}.swap-panel>p{font-size:12px;color:#71849b}.swap-panel .staff-prize{padding:8px 2px}.swap-panel .prize-picture{max-width:85px;height:85px}.swap-panel .staff-prize b{font-size:12px}.scan-empty{text-align:center;padding:42px 12px;background:#ffffff80;border:1px dashed #c4d7ec;border-radius:18px;margin:20px 0}.scan-empty p{color:#8193ab;font-size:12px;margin-top:8px}.scan-mark{font-size:60px;line-height:1.3;color:#1b62b4}.manual-code{font-size:12px;color:#6e83a0;margin-top:20px}.manual-code summary{padding:12px 0;cursor:pointer}.stock-list{margin:20px 0}.stock-list article{display:flex;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid #d5e1ef}.stock-list .prize-picture{width:60px;max-width:60px;height:65px;margin:0;flex:none}.stock-list b{font-size:13px}.stock-list p{font-size:10px;color:#7c8fa5;margin-top:5px}.stock-list strong{margin-left:auto;font-size:25px;line-height:1.3;color:#16467f;text-align:center}.stock-list small{display:block;font-size:10px;color:#7e90a7;font-weight:400}.audit-line{font-size:12px;border-bottom:1px solid #d5e1ef;padding:12px 0}.audit-line small{font-size:10px;color:#8093a9}.gift-success{padding:12px;border:1px solid #b8d7c9;border-radius:10px;background:#e9f5ee;color:#276746;font-size:13px;margin-top:14px}
@media(max-width:370px){.lottery-grid{gap:7px}.lottery-cell{padding:8px 1px 10px}.lottery-cell .prize-picture{height:86px}.lottery-cell b{font-size:10px}}