/* Parent-first introduction. This isolated preview contains no purchase controls. */
#shopIntro{--intro-accent:var(--accent,#d17d52);--intro-line:var(--line,#dce0dd);--intro-panel:var(--panel,#fff);--intro-muted:var(--muted,#738080);max-width:1120px;margin:0 auto;color:var(--text,#20282b);font-size:14px;line-height:1.6}
#shopIntro *{min-width:0}#shopIntro [hidden]{display:none!important}#shopIntro button,#shopIntro a{touch-action:manipulation}#shopIntro button{cursor:pointer}#shopIntro .intro-icon{width:21px!important;height:21px!important;flex-shrink:0;stroke:currentColor;fill:none;stroke-linecap:round;stroke-linejoin:round}
#shopIntro h1,#shopIntro h2,#shopIntro h3{letter-spacing:-.025em;line-height:1.25}#shopIntro h1{font-size:34px;margin:7px 0 11px;font-weight:650}#shopIntro h2{font-size:24px;margin:7px 0 15px;font-weight:620}#shopIntro h3{font-size:17px;margin:0 0 10px;font-weight:600}#shopIntro p{margin:0 0 14px}#shopIntro p:last-child{margin-bottom:0}
.intro-page-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:22px;margin-bottom:24px}.intro-page-heading>div{max-width:720px}.intro-page-heading p{font-size:15px;color:var(--intro-muted);line-height:1.6}.intro-section-label{font-size:11px;font-weight:600;color:var(--intro-muted)}.intro-preview-label{font-size:10px;white-space:nowrap;border:1px solid var(--intro-line);padding:5px 9px;border-radius:7px;color:var(--intro-muted);margin-top:4px}
.intro-opening{display:flex;align-items:center;gap:20px;padding:20px 24px;background:color-mix(in srgb,var(--intro-accent) 10%,var(--intro-panel));border:1px solid color-mix(in srgb,var(--intro-accent) 28%,var(--intro-line));border-radius:15px;margin-bottom:24px}.intro-date-tile{flex:0 0 66px;border-radius:10px;background:var(--intro-panel);border:1px solid var(--intro-line);padding:5px 8px;text-align:center;line-height:1.15}.intro-date-tile span{display:block;font-size:8px;font-weight:650;color:var(--intro-muted);letter-spacing:.06em}.intro-date-tile strong{display:block;font-size:29px;color:var(--intro-accent);padding:3px 0}.intro-opening>div:last-child>span{font-size:11px;color:var(--intro-muted)}.intro-opening>div:last-child>strong{display:block;font-size:23px;font-weight:620;line-height:1.3;margin:3px 0 5px}.intro-opening small{font-size:12px;color:var(--intro-muted)}
.intro-tabs{display:flex;gap:5px;padding:5px;border-radius:11px;border:1px solid var(--intro-line);background:var(--panel2,#f0f2ef);margin-bottom:24px;scroll-margin-top:95px;width:fit-content;max-width:100%}.intro-tabs button{background:transparent;border:0;border-radius:7px;padding:10px 18px;color:var(--intro-muted);font-size:13px;font-weight:550;min-height:42px;transition:background .18s,color .18s,box-shadow .18s}.intro-tabs button[aria-selected=true]{background:var(--intro-panel);color:var(--text,#20282b);box-shadow:0 1px 3px #0000000a}.intro-tabs button:hover{color:var(--text,#20282b)}#shopIntro button:focus-visible,#shopIntro summary:focus-visible,#shopIntro a:focus-visible,#shopIntro input:focus-visible{outline:2px solid var(--intro-accent);outline-offset:3px}
.intro-panel{padding:27px;border:1px solid var(--intro-line);background:var(--intro-panel);border-radius:15px}.intro-start-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(285px,1fr);gap:20px}.intro-parent>p{color:var(--intro-muted)}.intro-steps{list-style:none;padding:0;margin:24px 0}.intro-steps>li{display:flex;gap:13px;margin-bottom:20px}.intro-steps>li:last-child{margin-bottom:0}.intro-steps>li>span{display:grid;place-items:center;flex:0 0 25px;height:25px;border-radius:7px;background:color-mix(in srgb,var(--intro-accent) 12%,transparent);color:var(--intro-accent);font-size:12px;font-weight:650;margin-top:1px}.intro-steps strong{display:block;font-weight:600;font-size:14px;margin-bottom:4px}.intro-steps p{font-size:13px;line-height:1.65;color:var(--intro-muted)}#shopIntro .intro-contact{display:inline-flex;gap:16px;align-items:center;text-decoration:none;justify-content:center;min-height:44px;padding:10px 17px;font-size:13px}
.intro-parent-template{border-top:1px solid var(--intro-line);margin-top:23px;padding-top:16px}.intro-parent-template summary{font-size:12px;cursor:pointer;color:var(--intro-muted);min-height:30px}.intro-parent-template>p{font-size:13px;line-height:1.7;color:var(--intro-muted);padding:15px;border:1px solid var(--intro-line);background:var(--panel2,#f7f8f5);border-radius:9px;margin-top:12px!important}.intro-parent-template button{font-size:12px;min-height:42px}.intro-copy-status{display:block;font-size:12px;color:var(--intro-muted);margin-top:8px}
.intro-side{display:flex;flex-direction:column;gap:18px}.intro-money{background:linear-gradient(150deg,color-mix(in srgb,var(--intro-accent) 5%,var(--intro-panel)),var(--intro-panel))}.intro-money>img{image-rendering:pixelated;display:block;width:70px;height:70px;object-fit:contain;margin:0 0 18px}.intro-money h2{font-size:21px!important}.intro-money p{color:var(--intro-muted);font-size:13px}.intro-money ul{padding-left:17px;margin:19px 0;font-size:13px}.intro-money li{padding-left:3px;margin-bottom:7px}.intro-money li::marker{color:var(--intro-accent)}.intro-text-button{display:inline-flex;align-items:center;gap:12px;background:none;border:0;padding:4px 0;color:var(--intro-accent);font-size:12px;font-weight:600;text-align:left;min-height:36px}.intro-voluntary{display:flex;gap:12px;padding:4px 9px;color:var(--intro-muted)}.intro-voluntary p{font-size:12px;line-height:1.65}.intro-voluntary strong{display:block;color:var(--text,#20282b);font-size:13px;margin-bottom:4px;font-weight:600}
.intro-next{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 2px}.intro-next strong{font-size:14px;font-weight:600}.intro-next p{font-size:12px;color:var(--intro-muted);margin:4px 0 0!important}.intro-next button{font-size:13px;min-height:44px;white-space:nowrap}.intro-local-footer{font-size:10px;color:var(--intro-muted);margin-top:20px;padding-top:16px;border-top:1px solid var(--intro-line)}
.intro-section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:22px}.intro-section-heading h2{margin-bottom:0!important}.intro-section-heading p{font-size:13px;color:var(--intro-muted);margin-top:9px!important}.intro-example-tag{font-size:11px;color:var(--intro-muted);margin-top:5px}.intro-earning-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.intro-earning-grid>article{border:1px solid var(--intro-line);border-radius:11px;padding:20px;background:var(--panel2,#f7f8f5)}.intro-earning-grid article>span{display:block;font-size:12px;color:var(--intro-muted);margin-bottom:7px}.intro-earning-grid article>strong{display:flex;align-items:center;gap:4px;font-size:26px;font-weight:600;margin-bottom:9px}.intro-earning-grid article p{font-size:13px;color:var(--intro-muted);line-height:1.65}.intro-note{font-size:12px;color:var(--intro-muted);line-height:1.65}.intro-calculator{display:grid;grid-template-columns:minmax(170px,1.5fr) minmax(120px,1fr) minmax(120px,1fr) minmax(110px,.7fr);gap:18px;align-items:center;border-top:1px solid var(--intro-line);margin-top:23px;padding-top:23px}.intro-calculator h3{font-size:15px!important}.intro-calculator p{font-size:11px;color:var(--intro-muted);max-width:240px}.intro-calculator label{font-size:11px;color:var(--intro-muted)}.intro-calculator input{display:block;width:100%;margin-top:6px;min-height:44px;padding:10px 12px;border-radius:8px;font-size:14px}.intro-calc-total{border-left:1px solid var(--intro-line);padding-left:18px}.intro-calc-total>span,.intro-calc-total small{font-size:10px;color:var(--intro-muted)}.intro-calc-total strong{display:flex;align-items:center;gap:4px;font-size:26px;line-height:1.4;font-weight:600}.intro-olympiads{border-top:1px solid var(--intro-line);margin-top:25px;padding-top:18px}.intro-olympiads>summary{font-size:14px;font-weight:600;cursor:pointer;min-height:36px}.intro-olympiads>p{font-size:12px;color:var(--intro-muted);margin-top:12px!important}.intro-olympiad-table{overflow:auto;max-width:100%;margin:18px 0;border:1px solid var(--intro-line);border-radius:10px}.intro-olympiad-table table{width:100%;min-width:560px;border-collapse:collapse;font-size:12px}.intro-olympiad-table th,.intro-olympiad-table td{padding:12px 14px;border-bottom:1px solid var(--intro-line);text-align:right;white-space:nowrap}.intro-olympiad-table th:first-child{text-align:left;font-weight:500}.intro-olympiad-table thead{background:var(--panel2,#f7f8f5);color:var(--intro-muted)}.intro-olympiad-table tbody tr:last-child>*{border-bottom:0}.intro-turgor{padding:16px;border-radius:10px;background:var(--panel2,#f7f8f5);border:1px solid var(--intro-line)}.intro-turgor>span{display:block;font-size:11px;color:var(--intro-muted)}.intro-turgor>strong{display:block;font-size:14px;margin:6px 0}.intro-turgor p{font-size:12px;color:var(--intro-muted)}
.intro-use{margin-top:20px}.intro-use-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:22px}.intro-use-grid article+article{border-left:1px solid var(--intro-line);padding-left:30px}.intro-step-number{font-size:11px;color:var(--intro-accent);display:block;margin-bottom:12px;font-variant-numeric:tabular-nums}.intro-use-grid p{font-size:13px;color:var(--intro-muted);line-height:1.7}.intro-how-receive{margin:24px 0;padding-top:22px;border-top:1px solid var(--intro-line)}.intro-how-receive p{font-size:13px;color:var(--intro-muted);line-height:1.7}
.intro-catalog-count{font-size:12px;color:var(--intro-muted);margin-top:8px;white-space:nowrap}.intro-game-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:22px}.intro-game-tabs button{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;text-align:left;min-height:64px;padding:12px 16px;background:var(--intro-panel);border:1px solid var(--intro-line);border-radius:10px;color:var(--text,#20282b);transition:background .18s,border-color .18s}.intro-game-tabs button[aria-pressed=true]{border-color:var(--intro-accent);background:color-mix(in srgb,var(--intro-accent) 8%,var(--intro-panel))}.intro-game-tabs button>span{font-size:13px;font-weight:550}.intro-game-tabs button>small{font-size:10px;color:var(--intro-muted);margin-top:2px}.intro-catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.intro-product{display:flex;flex-direction:column;padding:20px;border:1px solid var(--intro-line);border-bottom:2px solid var(--rarity);background:var(--intro-panel);border-radius:13px}.intro-product-image{height:126px;display:grid;place-items:center;margin-bottom:20px}.intro-product-image>img{height:126px;width:126px;object-fit:contain}.intro-product h3{font-size:15px!important;font-weight:600;line-height:1.45!important;margin:0 0 22px!important}.intro-product-bottom{display:flex;align-items:center;justify-content:space-between;gap:9px;margin-top:auto}.intro-product-bottom>strong{font-size:15px;font-weight:600;display:flex;align-items:center;gap:1px;white-space:nowrap}.intro-product-bottom button{font-size:11px;padding:8px 11px;min-height:40px}.intro-catalog-note{padding:19px 2px 0}
#introProductDialog{width:min(470px,calc(100vw - 28px));padding:30px;max-height:calc(100dvh - 28px);overflow:auto;color:var(--text,#20282b);background:var(--intro-panel);border:1px solid var(--intro-line);border-radius:17px}#introProductDialog::backdrop{background:#10171999;backdrop-filter:blur(3px)}.intro-dialog-close{position:absolute;top:12px;right:12px;display:grid;place-items:center;width:36px;height:36px;padding:0;background:transparent;border:1px solid var(--intro-line);border-radius:50%;color:var(--intro-muted)}.intro-modal-image{display:block;width:160px;height:160px;object-fit:contain;margin:21px auto}.intro-modal-price{display:flex;align-items:center;gap:5px;font-size:23px;font-weight:600;margin:14px 0 20px}#introProductDialog p{font-size:13px;color:var(--intro-muted);line-height:1.7}
@media(max-width:900px){.intro-start-grid{grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:15px}.intro-panel{padding:22px}.intro-calculator{grid-template-columns:1fr 1fr 1fr}.intro-calculator>div:first-child{grid-column:1/-1}.intro-calculator p{max-width:none}.intro-example-tag{display:none}}
@media(max-width:700px){#shopIntro h1{font-size:28px}#shopIntro h2{font-size:22px}.intro-page-heading{display:block;margin-bottom:20px}.intro-preview-label{display:inline-block;margin-top:2px}.intro-page-heading p{font-size:14px}.intro-opening{padding:15px;gap:13px;border-radius:12px;margin-bottom:19px}.intro-date-tile{flex-basis:54px}.intro-opening>div:last-child>strong{font-size:18px}.intro-opening small{font-size:10px;line-height:1.5;display:block}.intro-opening>div:last-child>span{font-size:10px}.intro-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;gap:3px;padding:4px;margin-bottom:18px;scroll-margin-top:120px}.intro-tabs button{font-size:12px;padding:9px 5px;white-space:normal;line-height:1.3;min-height:45px}.intro-start-grid{grid-template-columns:1fr}.intro-panel{padding:21px 18px;border-radius:12px}.intro-steps{margin:20px 0}.intro-steps>li{gap:11px}.intro-steps strong{font-size:13px}.intro-steps p{font-size:12px}.intro-parent>p{font-size:13px}.intro-side{gap:16px}.intro-money>img{width:55px;height:55px;margin:0 0 12px}.intro-contact{width:100%}.intro-next{display:block;padding:20px 1px}.intro-next button{margin-top:14px;width:100%}.intro-earning-grid{grid-template-columns:1fr;gap:10px}.intro-earning-grid>article{padding:17px}.intro-earning-grid article>strong{font-size:24px}.intro-calculator{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px 12px}.intro-calc-total{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;align-items:center;border-left:0;border-top:1px solid var(--intro-line);padding:14px 0 0}.intro-calc-total small{grid-column:1/-1}.intro-section-heading{gap:10px;margin-bottom:18px}.intro-use-grid{grid-template-columns:1fr;gap:20px}.intro-use-grid article+article{border-left:0;border-top:1px solid var(--intro-line);padding:20px 0 0}.intro-step-number{margin-bottom:8px}.intro-game-tabs{grid-template-columns:1fr 1fr;gap:7px;margin-bottom:16px}.intro-game-tabs button{padding:10px 12px;min-height:59px}.intro-game-tabs button>span{font-size:12px}.intro-catalog-grid{grid-template-columns:1fr 1fr;gap:10px}.intro-product{padding:14px 12px;border-radius:11px}.intro-product-image{height:94px;margin-bottom:15px}.intro-product-image>img{width:94px;height:94px}.intro-product h3{font-size:12px!important;margin-bottom:16px!important}.intro-product-bottom{flex-wrap:wrap;gap:8px}.intro-product-bottom>strong{font-size:14px}.intro-product-bottom button{width:100%;min-height:40px}.intro-catalog-count{font-size:10px}.intro-local-footer{font-size:9px}.intro-turgor>strong{font-size:13px;line-height:1.5}#introProductDialog{padding:25px 20px}}
@media(prefers-reduced-motion:no-preference){#shopIntro [role=tabpanel]:not([hidden]){animation:intro-arrive .2s ease both}#introProductDialog[open]{animation:intro-arrive .18s ease both}@keyframes intro-arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}}