:root{--purple:#887ef1;--deep:#2f1d73;--gray:#9b98a9;--yellow:#ffee2e;--ink:#323135;--safe-area-top:0px;--safe-area-bottom:0px;--safe-area-left:0px;--safe-area-right:0px}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Arial Rounded MT Bold,Trebuchet MS,PingFang SC,Microsoft YaHei,Arial,sans-serif}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.app-shell{min-height:100vh;min-height:100dvh}.student-theme{min-height:100vh;min-height:100dvh;color:var(--ink);background:radial-gradient(circle at 6% 0,#a69cfd6b,#0000 28%),radial-gradient(circle at 88% 8%,#dbdef6b8,#0000 30%),linear-gradient(#f2f0ff 0%,#f6f6fd 38%,#dbdef6 68%,#cbbfff 100%)}.student-topbar{min-height:82px;padding:calc(16px + var(--safe-area-top)) calc(clamp(18px,3vw,48px) + var(--safe-area-right)) 16px calc(clamp(18px,3vw,48px) + var(--safe-area-left));grid-template-columns:minmax(140px,1fr) auto minmax(140px,1fr);place-items:center;display:grid}.student-app-exit-button{background:0 0;border:0;border-radius:50%;justify-self:start;width:48px;height:48px;padding:0;transition:transform .15s,box-shadow .15s;display:block;overflow:hidden;box-shadow:0 8px 20px #2f1d7333}.student-app-exit-button:hover{transform:translateY(-1px);box-shadow:0 10px 24px #2f1d7347}.student-app-exit-button:active{transform:scale(.96)}.student-app-exit-button svg{width:48px;height:48px;display:block}.student-app-exit-button.on-login{top:calc(24px + var(--safe-area-top));left:calc(24px + var(--safe-area-left));z-index:10;position:fixed}.student-page-tabs{gap:8px;display:inline-flex}.student-page-tabs button{color:#7d72e3;background:#fffc;border:0;border-radius:99px;justify-content:center;align-items:center;gap:8px;width:178px;height:56px;padding:16px 24px;font-size:20px;font-weight:700;display:flex}.student-page-tabs 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20px;font-weight:900}.primary-button{color:#fff;background:var(--purple)}.primary-button:hover{background:var(--deep)}.danger-button{color:#b42318;background:#fff1f0}.text-button{color:var(--deep);background:0 0}@media (max-width:700px){.student-topbar{padding:calc(12px + var(--safe-area-top)) calc(16px + var(--safe-area-right)) 12px calc(16px + var(--safe-area-left));grid-template-columns:auto minmax(0,1fr) auto;gap:8px}.student-page-tabs{justify-self:center}.student-page-tabs button,.student-page-tabs button.active{width:auto;height:46px;padding:0 12px;font-size:17px}.student-header-points img{width:26px;height:26px}.student-header-points strong{font-size:22px}}.student-mall-view{gap:24px;display:grid}.student-hero{color:#fff;background:var(--student-hero-image) center/cover no-repeat,var(--purple);border-radius:32px;grid-template-columns:minmax(0,1fr) minmax(220px,300px);align-items:center;min-height:210px;padding:clamp(24px,4vw,42px);display:grid;overflow:hidden;box-shadow:0 24px 60px #2f1d7342}.student-hero h2{max-width:520px;margin:8px 0 0;font-size:clamp(34px,5vw,58px);line-height:1.02}.student-kicker{min-height:28px;color:var(--yellow);background:#ffee2e2e;border-radius:999px;align-items:center;margin:0;padding:0 12px;font-size:12px;font-weight:900;display:inline-flex}.student-filter-bar{top:calc(18px + var(--safe-area-top));z-index:8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f6f6fde6;border-radius:999px;justify-self:center;align-items:center;gap:10px;width:clamp(680px,76vw,880px);max-width:100%;padding:6px;display:flex;position:sticky;box-shadow:0 12px 30px #2f1d7314}.student-product-search{background:#fff;border-radius:999px;flex:220px;align-items:center;gap:8px;min-width:180px;min-height:42px;padding:0 14px;display:flex}.search-icon{flex:none;width:22px;height:22px}.student-product-search input{width:100%;min-width:0;min-height:40px;color:var(--ink);background:0 0;border:0;outline:0;font-weight:800}.student-category-tabs{align-items:center;gap:10px;display:flex}.student-category-tabs button{min-width:104px;min-height:42px;color:var(--gray);background:0 0;border:0;border-radius:999px;padding:0 18px;font-weight:900}.student-category-tabs button.active{color:#fff;background:var(--deep);box-shadow:inset 0 -3px #fff3}.student-category-tab-content{white-space:nowrap;justify-content:center;align-items:center;gap:6px;display:flex}.student-category-tab-icon{width:20px;height:20px}.student-product-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(14px,2vw,24px);display:grid}.student-product-card{background:#f6f6fdb8;border:2px solid #2f1d731a;border-radius:24px;gap:12px;min-width:0;padding:12px;transition:all .18s;display:grid;overflow:hidden;box-shadow:0 18px 44px #2f1d731a}.student-product-card:hover{border-color:#6f4cff61;outline:0;transform:translateY(-2px);box-shadow:0 20px 50px 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(max-width:1000px){.student-product-grid{grid-template-columns:repeat(3,1fr)}.student-filter-bar{overflow-x:auto}}@media (max-width:700px){.student-hero{border-radius:24px;grid-template-columns:1fr;min-height:170px}.student-filter-bar{border-radius:22px;flex-direction:column;align-items:stretch;gap:6px;width:100%;position:static}.student-product-search{flex:none;min-height:44px}.student-product-search input{min-height:42px}.student-category-tabs{gap:0;width:100%;overflow:visible}.student-category-tabs button{flex:20%;min-width:0;min-height:40px;padding:0 2px;font-size:13px}.student-category-tabs button.active{box-shadow:none;background:0 0}.student-category-tabs button.active .student-category-tab-content{color:#fff;background:var(--deep);box-shadow:inset 0 -3px #fff3}.student-category-tab-content{border-radius:999px;min-height:36px;padding:0 7px}.student-category-tab-icon{display:none}.student-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media 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strong{text-align:right;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:13px;overflow:hidden}.student-order-actions{justify-content:flex-end;align-items:center;min-height:32px;display:flex}.student-order-actions span{color:var(--gray);font-size:13px;font-weight:900}@media (max-width:520px){.student-order-card{--art-size:92px}.student-order-title-row h3{font-size:16px}}.student-my-tabs{background:#f6f6fde6;border-radius:999px;width:max-content;max-width:100%;margin:0 0 18px;padding:6px;box-shadow:0 12px 30px #2f1d7314}.student-my-tabs button{white-space:nowrap;width:auto;padding:0 22px}.student-filter-tabs{scrollbar-width:thin;scrollbar-color:#887ef159 transparent;border-bottom:1px solid #2f1d731a;align-items:stretch;gap:32px;min-width:0;max-width:100%;padding:0 4px;display:flex;overflow-x:auto}.student-filter-tabs button{color:#657080;white-space:nowrap;background:0 0;border:0;border-radius:0;flex:none;min-height:54px;padding:8px 2px 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var(--safe-area-bottom)) calc(20px + var(--safe-area-left));-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#21184c8c;place-items:center;display:grid;position:fixed;top:0;bottom:0;left:0;right:0;overflow:auto}.modal{background:linear-gradient(#fffffffa,#f7f6fffa);border-radius:28px;width:min(520px,100%);padding:22px;box-shadow:0 28px 70px #2f1d733d}.modal-header,.modal-actions{justify-content:space-between;align-items:center;gap:12px;display:flex}.modal-header{margin-bottom:18px}.modal-header h2{color:var(--deep);margin:0}.modal-close-button{width:36px;height:36px;color:var(--deep);background:#f1efff;border:0;border-radius:50%;flex:0 0 36px;place-items:center;padding:0;line-height:1;display:grid;overflow:hidden}.modal-close-button svg{width:20px;height:20px;display:block}.modal-actions{justify-content:flex-end;margin-top:18px}.student-help-content,.student-cancel-content{background:#ffffffb8;border-radius:20px;gap:12px;padding:18px;font-weight:900;line-height:1.6;display:grid}.student-help-content p,.student-cancel-content p{margin:0}.student-cancel-content{text-align:center}.student-cancel-content h2{color:var(--deep);margin:0}.exchange-modal{width:min(860px,100%);overflow:hidden}.exchange-step-viewport{width:100%;overflow:hidden}.exchange-step-track{width:200%;transition:transform .28s;display:flex}.exchange-step-viewport.reviewing .exchange-step-track{transform:translate(-50%)}.exchange-step-panel{flex:none;width:50%}.confirm-exchange-layout{grid-template-columns:minmax(220px,.8fr) minmax(320px,1.2fr);gap:24px;display:grid}.confirm-exchange-layout .product-image.large{border-radius:22px;min-height:330px}.confirm-exchange-layout .product-image.large 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#2f1d7333}.campus-select-option{border-radius:11px;align-items:center;gap:8px;padding-right:6px;display:flex}.campus-select-option:hover,.campus-select-option.selected{background:#f0edff}.campus-option-choice{min-width:0;min-height:48px;color:var(--ink);text-align:left;background:0 0;border:0;border-radius:11px;flex-wrap:wrap;flex:1;justify-content:space-between;align-items:center;gap:4px 10px;padding:10px;display:flex}.campus-option-choice span{overflow-wrap:anywhere}.campus-option-choice small{color:var(--gray);white-space:nowrap}.restock-button{min-height:36px;color:var(--deep);white-space:nowrap;background:#f0edff;border:1px solid #d9d3ff;border-radius:999px;flex-shrink:0;padding:6px 10px;font-size:12px;font-weight:800}.restock-button:hover:not(:disabled){background:#e4dfff}.restock-button.registered{color:#33745b;opacity:1;background:#edf8f1;border-color:#cde7d7}.restock-prompt{color:var(--deep);background:#f0edff;border-radius:12px;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;font-size:13px;display:flex}.restock-feedback{color:var(--deep);margin:0;padding:8px 10px;font-size:12px;line-height:1.5}.confirm-purchase-row{gap:12px;display:grid}.quantity-picker{justify-content:space-between;align-items:center;gap:12px;display:flex}.quantity-picker>span{color:var(--gray);font-size:13px;font-weight:900}.quantity-picker div{align-items:center;display:flex}.quantity-picker button{width:36px;height:36px;color:var(--deep);background:#eeeaff;border:0;border-radius:50%;font-size:20px}.quantity-picker input{text-align:center;background:0 0;border:0;outline:0;width:56px;height:36px;font-weight:900}.confirm-total{text-align:right;margin:0}.confirm-total strong{color:var(--purple);font-size:22px}.exchange-review-panel{text-align:center;place-content:center;gap:20px;min-height:330px;display:grid}.exchange-review-panel h2{color:var(--deep);margin:0;font-size:32px}.exchange-review-message{background:#f5f3ff;border-radius:20px;padding:22px}.exchange-review-message p{margin:8px 0}@media (max-width:700px){.modal-backdrop{padding:calc(10px + var(--safe-area-top)) calc(10px + var(--safe-area-right)) calc(10px + var(--safe-area-bottom)) calc(10px + var(--safe-area-left))}.exchange-modal{padding:16px}.confirm-exchange-layout{grid-template-columns:1fr;gap:16px}.confirm-exchange-layout .product-image.large{aspect-ratio:1;justify-self:center;width:min(46vw,180px);height:auto;min-height:0;max-height:none}.confirm-copy{gap:12px}.confirm-copy h2{font-size:24px}.confirm-product-heading p{font-size:13px}.confirm-summary-grid{grid-template-columns:1fr 1fr}}.student-login-page{min-height:100vh;min-height:100dvh;padding:calc(24px + var(--safe-area-top)) calc(24px + var(--safe-area-right)) calc(24px + var(--safe-area-bottom)) calc(24px + var(--safe-area-left));background:radial-gradient(circle at 20% 10%,#fff 0,#0000 28%),linear-gradient(135deg,#efedff,#d8d5ff);place-items:center;display:grid}.student-login-card{text-align:center;background:#ffffffeb;border:1px solid #2f1d731a;border-radius:32px;width:min(440px,100%);padding:38px;box-shadow:0 28px 80px #2f1d7333}.student-login-coin{object-fit:contain;width:64px;height:64px}.student-login-kicker{color:var(--purple);letter-spacing:.12em;margin:12px 0 6px;font-size:12px;font-weight:900}.student-login-card h1{color:var(--deep);margin:0;font-size:32px}.student-login-tip{color:var(--gray);margin:10px 0 28px;font-weight:700}.student-login-card form,.student-login-card label{text-align:left;gap:10px;display:grid}.student-login-card form{gap:18px}.student-login-card label>span{color:var(--deep);font-size:13px;font-weight:900}.student-login-card input{width:100%;height:50px;color:var(--ink);background:#fff;border:2px solid #e8e5f7;border-radius:15px;outline:0;padding:0 15px;font-size:16px;font-weight:700}.student-login-card input:focus{border-color:var(--purple);box-shadow:0 0 0 4px #6f4cff1a}.student-code-field{grid-template-columns:minmax(0,1fr) 118px;gap:10px;display:grid}.student-code-field button{color:#fff;background:var(--purple);border:0;border-radius:15px;font-weight:900}.student-code-field button:disabled{color:#9995ad;background:#eeecf7}.student-login-error{color:#b42318;background:#fee4e2;border-radius:12px;margin:0;padding:10px 12px;font-size:13px;font-weight:800}.student-login-submit{color:#fff;background:var(--deep);border:0;border-radius:16px;height:52px;font-size:17px;font-weight:900;box-shadow:0 10px 24px #2f1d7333}.student-login-submit:disabled{opacity:.45;box-shadow:none}@media (max-width:480px){.student-login-card{border-radius:24px;padding:28px 20px}.student-code-field{grid-template-columns:minmax(0,1fr) 104px}}