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span{font-size:var(--k-fs-12);color:#8391a6}.plan-large{height:138px;padding:var(--k-space-20);background:linear-gradient(130deg,#fff,#f2f8ff);justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.plan-large p{color:#7d899d;margin:0}.plan-large strong{font-size:var(--k-fs-40)}.plan-large small{font-size:var(--k-fs-16)}.plan-large span{color:#99a6b7;display:block}.plan-large a{border-radius:var(--k-radius-18);background:var(--k-primary);color:#fff;height:38px;padding:0 var(--k-space-16);place-items:center;display:grid}.plan-row{padding:var(--k-space-16);margin-bottom:var(--k-space-12);position:relative}.plan-row b{font-size:var(--k-fs-18)}.plan-row span{float:right;color:var(--k-primary);font-weight:800}.plan-row p{margin:var(--k-space-8) 0 0;color:#738198}.plan-row i{font-style:normal;font-size:var(--k-fs-12);color:#9aa7b8;position:absolute;bottom:14px;right:16px}.profile-head{align-items:center;gap:16px;height:128px;display:flex}.avatar{border-radius:var(--k-radius-24);color:#fff;width:72px;height:72px;font-size:var(--k-fs-36);background:linear-gradient(135deg,#5dadff,#1265f2);place-items:center;font-weight:900;display:grid;box-shadow:0 12px 25px #2475ff47}.profile-head h1{font-size:var(--k-fs-24);margin:0 0 6px}.profile-head p{color:#7f8da3;margin:0}.profile-card{text-align:center;grid-template-columns:repeat(3,1fr);align-items:center;height:76px;margin-bottom:14px;display:grid}.profile-card b{font-size:var(--k-fs-24);display:block}.profile-card span{font-size:var(--k-fs-12);color:#8694a9}.menu-card{margin-bottom:14px;overflow:hidden}.menu-card a{height:56px;padding:0 var(--k-space-16);border-bottom:1px solid #edf2f8;justify-content:space-between;align-items:center;display:flex}.menu-card a:last-child{border-bottom:0}.menu-card span{font-weight:700}.menu-card b{font-size:var(--k-fs-14);color:#8b98ad}.wallet.balance a{border-radius:var(--k-radius-18);background:var(--k-primary);color:#fff;height:36px;padding:0 var(--k-space-20);place-items:center;display:grid}.bill-row{height:64px;padding:0 var(--k-space-16);margin-bottom:var(--k-space-12);justify-content:space-between;align-items:center;display:flex}.bill-row small{margin-top:var(--k-space-4);color:#96a3b6;display:block}.question-card{cursor:pointer}.form-notice,.api-tip{border-radius:var(--k-radius-12);color:#d47400;min-height:32px;padding:var(--k-space-8) var(--k-space-12);margin:var(--k-space-12) 0;font-size:var(--k-fs-14);background:#fff7e8;line-height:1.4}.captcha-field{gap:var(--k-space-12);margin-top:var(--k-space-16);grid-template-columns:1fr 104px;align-items:center;display:grid}.captcha-field input{border-radius:var(--k-radius-12);background:#f5f7fb;border:0;outline:0;height:52px;padding:0 14px}.captcha-img{border-radius:var(--k-radius-8);cursor:pointer;object-fit:contain;background:#fff;border:1px solid #e4ecfb;width:104px;height:36px}.captcha-refresh{border-radius:var(--k-radius-12);height:52px;color:var(--k-primary);background:#eef4ff;border:0;font-weight:700}.form-hint{color:#8592a8;font-size:var(--k-fs-14);margin:-var(--k-space-8) 0 var(--k-space-16) 0;padding-left:4px;line-height:1.5}.primary-btn:disabled,.code-line button:disabled{opacity:.65}.menu-card a{cursor:pointer}.question-img{object-fit:contain;border-radius:var(--k-radius-12);background:#f7faff;width:100%;max-height:180px;margin:12px 0}.bottom-actions a,.answer-sheet button,.option,.plan-large a{cursor:pointer}@supports (padding:max(0px)){.phone{padding-bottom:max(12px,env(safe-area-inset-bottom))}.tab-bar{padding-bottom:env(safe-area-inset-bottom);height:calc(58px + env(safe-area-inset-bottom))}.screen{height:calc(100vh - 96px - env(safe-area-inset-bottom))}.screen.full{height:calc(100vh - 38px - env(safe-area-inset-bottom))}}@media (width<=460px){.phone{padding-top:max(12px,env(safe-area-inset-top))}.status-bar{height:max(26px,env(safe-area-inset-top))}}input:focus,textarea:focus,select:focus{outline:none}img{-webkit-touch-callout:none;max-width:100%;height:auto}.answer-textarea{border:1px solid var(--k-line);border-radius:var(--k-radius-12);width:100%;min-height:120px;padding:var(--k-space-16);font:inherit;resize:vertical;color:#344258;background:#f7f9fd}.answer-textarea:focus{border-color:var(--k-primary);background:#fff}.pay-order-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);margin-top:var(--k-space-16);background:#fff;box-shadow:0 10px 28px #1f478214}.pay-order-card h3{margin:0 0 var(--k-space-12);font-size:var(--k-fs-16)}.pay-order-card div{padding:var(--k-space-8) 0;font-size:var(--k-fs-14);border-bottom:1px solid #f5f8fc;justify-content:space-between;display:flex}.pay-order-card div:last-of-type{border:0}.pay-order-card div b{color:var(--k-ink)}.pay-order-card button{border-radius:var(--k-radius-18);width:100%;height:42px;color:var(--k-primary);margin-top:var(--k-space-12);cursor:pointer;background:#f1f6ff;border:0;font-weight:800}.pay-link{text-align:center;border-radius:var(--k-radius-18);background:var(--k-primary);color:#fff;height:42px;margin-top:12px;font-weight:800;line-height:42px;display:block}.auth-links{justify-content:center;gap:var(--k-space-24);margin-top:var(--k-space-20);color:var(--k-primary);font-size:var(--k-fs-14);font-weight:800;display:flex}.login-hero.compact{height:200px}.hero-ill.small{bottom:-4px;left:130px;transform:scale(.72)}.recharge-submit{height:48px;margin:var(--k-space-8) 0 var(--k-space-2);font-size:var(--k-fs-16)}.popup-overlay{z-index:9999;background:#00000073;justify-content:center;align-items:flex-end;animation:.25s fadeIn;display:flex;position:absolute;inset:0}.popup-card{background:#fff;border-radius:20px 20px 0 0;flex-direction:column;width:100%;max-height:75vh;animation:.3s slideUp;display:flex;overflow:hidden;box-shadow:0 -8px 40px #0000002e}.popup-handle{border-radius:var(--k-radius-4);background:#d9e0eb;flex-shrink:0;width:36px;height:5px;margin:10px auto 0}.popup-head{padding:var(--k-space-12) var(--k-space-20) var(--k-space-16);border-bottom:1px solid var(--k-line);justify-content:space-between;align-items:center;display:flex}.popup-head strong{font-size:var(--k-fs-18);color:#1a2b4c;font-weight:900}.popup-close{color:#657288;width:32px;height:32px;font-size:var(--k-fs-20);cursor:pointer;background:#f5f7fa;border:0;border-radius:50%;place-items:center;line-height:1;display:grid}.popup-body{padding:var(--k-space-20);font-size:var(--k-fs-14);color:#344258;-webkit-overflow-scrolling:touch;-ms-overflow-style:none;scrollbar-width:none;flex:1;line-height:1.7;overflow-y:auto}.popup-body::-webkit-scrollbar{display:none}.popup-body img{border-radius:var(--k-radius-12);max-width:100%}.popup-foot{padding:var(--k-space-16) var(--k-space-20);border-top:1px solid var(--k-line);justify-content:center;display:flex}.popup-btn{border-radius:var(--k-radius-24);background:var(--k-primary);color:#fff;width:100%;height:48px;font-size:var(--k-fs-16);cursor:pointer;border:0;font-weight:800;box-shadow:0 4px 12px #2475ff4d}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.empty-card{border-radius:var(--k-radius-12);color:#8c99ad;height:48px;font-size:var(--k-fs-14);background:#f6f8fc;place-items:center;margin-bottom:10px;display:grid}.primary-btn:disabled{opacity:.55}.pay{cursor:pointer}.notice-bar{border-radius:var(--k-radius-12);color:#b96a00;align-items:center;gap:var(--k-space-12);height:42px;padding:0 var(--k-space-12);margin-bottom:var(--k-space-12);background:#fff7e8;display:flex;box-shadow:0 8px 20px #1f47820f}.notice-bar span{color:#fff;border-radius:var(--k-radius-12);padding:var(--k-space-4) var(--k-space-8);font-size:var(--k-fs-12);background:#ff9d2e}.notice-bar b{font-size:var(--k-fs-14);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.homework-summary{border-radius:var(--k-radius-18);text-align:center;height:86px;margin-bottom:var(--k-space-16);border:1px solid var(--k-line);background:linear-gradient(130deg,#fff,#f2f8ff);grid-template-columns:repeat(2,1fr);align-items:center;display:grid;box-shadow:0 10px 28px #1f478214}.homework-summary p{color:#7d899d;margin:0}.homework-summary strong{font-size:var(--k-fs-36);color:var(--k-primary)}.homework-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);margin-bottom:var(--k-space-12);cursor:pointer;background:#fff;position:relative;box-shadow:0 10px 28px #1f478214}.homework-card b{font-size:var(--k-fs-18);margin-bottom:7px;display:block}.homework-card span{color:#7b879b;font-size:var(--k-fs-14)}.homework-card em{border-radius:var(--k-radius-12);background:var(--k-primary);color:#fff;padding:var(--k-space-4) var(--k-space-12);font-style:normal;font-size:var(--k-fs-12);position:absolute;top:16px;right:16px}.homework-card em.done{color:#20a864;background:#e9f8ee}.homework-card p{margin:var(--k-space-12) 0 0;color:#9aa6b8;font-size:var(--k-fs-12)}.homework-meta{gap:var(--k-space-12);color:#7d899d;font-size:var(--k-fs-14);flex-wrap:wrap;margin-top:12px;display:flex}.answer-textarea{border-radius:var(--k-radius-12);width:100%;min-height:132px;padding:var(--k-space-16);color:#344258;resize:none;font:inherit;background:#f7f9fd;border:0;outline:0;margin-top:12px}.openclaw-hero{border-radius:var(--k-radius-18);color:#fff;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);box-shadow:0 12px 26px #2475ff00}.openclaw-hero h2{margin:0 0 var(--k-space-8);font-size:var(--k-fs-24)}.openclaw-hero p{line-height:1.6;font-size:var(--k-fs-14);opacity:.92;margin:0}.form-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);background:#fff;margin-bottom:14px;box-shadow:0 10px 28px #1f478214}.form-card label{margin-bottom:14px;display:block}.form-card span{color:#5c6a80;margin-bottom:var(--k-space-8);font-weight:800;font-size:var(--k-fs-14);display:block}.form-card select,.form-card textarea{border-radius:var(--k-radius-12);width:100%;padding:var(--k-space-12);font-family:inherit;font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;border:0;outline:0}.form-card textarea{resize:none;min-height:108px;line-height:1.55}.diagnosis-card{border:1px solid var(--k-line);border-radius:var(--k-radius-24);padding:var(--k-space-24);background:linear-gradient(#fff,#f6fbff);margin-bottom:14px;box-shadow:0 12px 30px #1f47821a}.diagnosis-card h2{margin:0 0 var(--k-space-12);color:var(--k-primary)}.diagnosis-card p{color:#506077;margin:0;line-height:1.8}.generate-btn{margin:var(--k-space-8) 0 var(--k-space-16);height:48px}.paper-hero{border-radius:var(--k-radius-18);color:#fff;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);box-shadow:0 12px 26px #2475ff47}.paper-hero h2{margin:0 0 var(--k-space-8);font-size:var(--k-fs-24)}.paper-hero p{line-height:1.6;font-size:var(--k-fs-14);opacity:.92;margin:0}.plain-input{border-radius:var(--k-radius-12);width:100%;padding:var(--k-space-12);font:inherit;color:#344258;background:#f7f9fd;border:0;outline:0}.paper-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);margin-bottom:var(--k-space-12);cursor:pointer;background:#fff;position:relative;box-shadow:0 10px 28px #1f478214}.paper-card b{font-size:var(--k-fs-18);margin-bottom:7px;display:block}.paper-card span{color:#7b879b;font-size:var(--k-fs-14)}.paper-card em{border-radius:var(--k-radius-12);background:var(--k-primary);color:#fff;padding:var(--k-space-4) var(--k-space-12);font-style:normal;font-size:var(--k-fs-12);position:absolute;top:16px;right:16px}.paper-card em.done{color:#20a864;background:#e9f8ee}.assistant-top{border-radius:var(--k-radius-18);color:#fff;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);box-shadow:0 12px 26px #2475ff47}.assistant-top h2{margin:0 0 var(--k-space-8);font-size:var(--k-fs-24)}.assistant-top p{font-size:var(--k-fs-14);opacity:.92;margin:0}.assistant-filter{border-radius:var(--k-radius-12);align-items:center;gap:var(--k-space-12);height:48px;padding:0 var(--k-space-16);background:#fff;margin-bottom:12px;display:flex;box-shadow:0 8px 22px #1f478214}.assistant-filter span{color:#657288;font-weight:800}.assistant-filter select{border-radius:var(--k-radius-12);background:#f7f9fd;border:0;outline:0;padding:7px 10px}.chat-box{border-radius:var(--k-radius-18);border:1px solid var(--k-line);height:330px;padding:var(--k-space-16);background:#f7faff;margin-bottom:12px;overflow:auto}.chat-msg{margin-bottom:12px;display:flex}.chat-msg p{border-radius:var(--k-radius-16);max-width:82%;padding:var(--k-space-12) var(--k-space-12);line-height:1.55;font-size:var(--k-fs-14);margin:0}.chat-msg.assistant{justify-content:flex-start}.chat-msg.assistant p{color:#344258;background:#fff;box-shadow:0 6px 18px #1f478212}.chat-msg.user{justify-content:flex-end}.chat-msg.user p{background:var(--k-primary);color:#fff}.assistant-input{border-radius:var(--k-radius-18);background:#fff;padding:12px;box-shadow:0 10px 28px #1f478214}.assistant-input textarea{resize:none;border-radius:var(--k-radius-12);width:100%;height:74px;padding:var(--k-space-12);font:inherit;color:#344258;background:#f7f9fd;border:0;outline:0}.assistant-input div{gap:var(--k-space-12);grid-template-columns:1fr 1fr;margin-top:10px;display:grid}.assistant-input button{border-radius:var(--k-radius-18);background:var(--k-primary-soft);height:40px;color:var(--k-primary);border:0;font-weight:800}.assistant-input button.primary{background:var(--k-primary);color:#fff}.evidence-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);background:#fff;margin-bottom:12px;box-shadow:0 10px 28px #1f478214}.evidence-card b{margin-bottom:8px;display:block}.evidence-card p{color:#5f6f86;line-height:1.7;font-size:var(--k-fs-14);margin:0}.evidence-card span{margin-top:var(--k-space-12);color:#97a3b5;font-size:var(--k-fs-12);display:block}.notice-summary{border-radius:var(--k-radius-18);color:#fff;padding:var(--k-space-16);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);justify-content:space-between;align-items:center;display:flex;box-shadow:0 12px 26px #2475ff40}.notice-summary p{margin:0 0 var(--k-space-4);opacity:.9}.notice-summary strong{font-size:var(--k-fs-36)}.notice-summary span{font-size:var(--k-fs-14);opacity:.9}.notice-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);margin-bottom:var(--k-space-12);cursor:pointer;background:#fff;box-shadow:0 10px 28px #1f478214}.notice-card div{justify-content:space-between;gap:12px;display:flex}.notice-card b{font-size:var(--k-fs-16)}.notice-card small{color:#98a4b6}.notice-card p{margin:var(--k-space-12) 0 0;color:#5f6f86;line-height:1.6;font-size:var(--k-fs-14)}.notice-detail{border:1px solid var(--k-line);border-radius:var(--k-radius-24);padding:var(--k-space-24);background:#fff;margin-top:8px;box-shadow:0 12px 30px #1f47821a}.notice-detail h2{margin:0 0 8px}.notice-detail span{color:#9aa6b8;font-size:var(--k-fs-14)}.notice-detail p{margin:var(--k-space-16) 0 0;color:#536278;line-height:1.8}.dashboard-hero{border-radius:var(--k-radius-24);color:#fff;gap:var(--k-space-12);height:118px;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);grid-template-columns:repeat(2,1fr);display:grid;box-shadow:0 12px 26px #2475ff40}.dashboard-hero p{margin:0 0 var(--k-space-8);opacity:.9}.dashboard-hero strong{font-size:var(--k-fs-32)}.dashboard-hero small{font-size:var(--k-fs-14);margin-left:4px}.bar-chart{gap:var(--k-space-12);grid-template-columns:repeat(5,1fr);align-items:end;height:142px;padding-top:12px;display:grid}.bar-chart div{place-items:end center;gap:7px;display:grid}.bar-chart i{background:linear-gradient(180deg,var(--k-primary),#91c7ff);border-radius:14px 14px 4px 4px;width:26px}.bar-chart span{font-size:var(--k-fs-12);color:var(--k-muted)}.subject-stat{padding:var(--k-space-12) 0 var(--k-space-16);border-bottom:1px solid #edf2f8;position:relative}.subject-stat:last-child{border-bottom:0}.subject-stat div{justify-content:space-between;display:flex}.subject-stat b{font-size:var(--k-fs-16)}.subject-stat span,.subject-stat em{color:#7e8da3;font-style:normal;font-size:var(--k-fs-14)}.subject-stat i{border-radius:var(--k-radius-8);background:#edf2f7;height:5px;position:absolute;bottom:6px;left:0;right:0}.subject-stat u{border-radius:var(--k-radius-8);background:linear-gradient(90deg,var(--k-primary),#84bdff);height:5px;display:block}.dashboard-tip{color:#5f6f86;margin:0;line-height:1.7}.profile-edit-head{border-radius:var(--k-radius-18);color:#fff;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);align-items:center;gap:var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);display:flex;box-shadow:0 12px 26px #2475ff40}.profile-edit-head .avatar{color:var(--k-primary);box-shadow:none;background:#fff}.profile-edit-head p{line-height:1.6;font-size:var(--k-fs-14);opacity:.95;margin:0}.security-card{border-radius:var(--k-radius-18);color:#fff;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);box-shadow:0 12px 26px #2475ff40}.security-card h2{margin:0 0 var(--k-space-8);font-size:var(--k-fs-24)}.security-card p{line-height:1.6;font-size:var(--k-fs-14);opacity:.94;margin:0}.bind-code-row{grid-template-columns:1fr 110px;gap:10px;display:grid}.bind-code-row button{border-radius:var(--k-radius-12);background:var(--k-primary);color:#fff;border:0;font-weight:800}.upload-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);background:#fff;margin-bottom:14px;box-shadow:0 10px 28px #1f478214}.upload-box{border-radius:var(--k-radius-16);height:96px;color:var(--k-primary);cursor:pointer;background:#f5f9ff;border:1px dashed #9fc4ff;place-items:center;display:grid}.upload-box input{display:none}.upload-box strong{font-size:var(--k-fs-18)}.upload-box span{font-size:var(--k-fs-12);color:#7e8ca3;margin-top:-12px}.ocr-preview{object-fit:contain;border-radius:var(--k-radius-12);background:#f7f9fd;width:100%;max-height:160px;margin-top:12px}.ocr-text{margin:var(--k-space-12) 0 0;color:#5f6f86;font-size:var(--k-fs-14);border-radius:var(--k-radius-12);background:#f7f9fd;padding:10px;line-height:1.6}.review{cursor:pointer}.wrong-actions{gap:var(--k-space-12);grid-template-columns:repeat(3,1fr);margin-top:14px;display:grid}.wrong-actions button{border-radius:var(--k-radius-24);background:var(--k-primary-soft);height:44px;color:var(--k-primary);border:0;font-weight:800}.wrong-actions button.primary{background:var(--k-primary);color:#fff;box-shadow:0 10px 22px #2475ff40}.detail-card .option{padding:12px 14px}.add-image-btn{justify-content:center;align-items:center;gap:var(--k-space-8);padding:var(--k-space-12) var(--k-space-20);border-radius:var(--k-radius-12);color:var(--k-primary);font-size:var(--k-fs-14);cursor:pointer;background:#f0f7ff;border:1.5px dashed #9fc4ff;font-weight:600;transition:all .2s;display:inline-flex}.add-image-btn:hover{background:var(--k-primary);color:#fff;border-color:var(--k-primary);box-shadow:0 4px 14px #2475ff33}.report-hero{border-radius:var(--k-radius-24);color:#fff;gap:var(--k-space-12);height:118px;padding:var(--k-space-20);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);grid-template-columns:repeat(3,1fr);display:grid;box-shadow:0 12px 26px #2475ff40}.report-hero p{margin:0 0 var(--k-space-8);opacity:.9}.report-hero strong{font-size:var(--k-fs-28)}.report-hero small{font-size:var(--k-fs-14);margin-left:4px}.report-row{cursor:pointer;border-bottom:1px solid #edf2f8;justify-content:space-between;align-items:center;height:62px;display:flex}.report-row:last-child{border-bottom:0}.report-row b{font-size:var(--k-fs-16);margin-bottom:5px;display:block}.report-row span{font-size:var(--k-fs-12);color:var(--k-muted)}.report-row em{color:var(--k-primary);font-style:normal;font-weight:900}.answer-report-row{border-bottom:1px solid #edf2f8;grid-template-columns:1fr 60px 54px;align-items:center;height:46px;display:grid}.answer-report-row:last-child{border-bottom:0}.answer-report-row span{color:#59687f}.answer-report-row b{font-size:var(--k-fs-14)}.answer-report-row b.right{color:#18a85d}.answer-report-row b.wrong{color:#ef5148}.answer-report-row em{color:#7f8da3;text-align:right;font-style:normal}.balance-card{border-radius:var(--k-radius-24);color:#fff;padding:var(--k-space-24);margin:var(--k-space-4) 0 var(--k-space-16);background:linear-gradient(135deg,#2f6fcf,#4a86e0);position:relative;overflow:hidden;box-shadow:0 12px 26px #2475ff40}.balance-card p{margin:0 0 var(--k-space-8);opacity:.9}.balance-card strong{font-size:var(--k-fs-36);margin-bottom:8px;display:block}.balance-card span{line-height:1.5;font-size:var(--k-fs-14);opacity:.94;display:block}.balance-card a{border-radius:var(--k-radius-18);color:var(--k-primary);padding:var(--k-space-8) var(--k-space-16);background:#fff;font-weight:900;position:absolute;top:22px;right:18px}.balance-card.small strong{font-size:var(--k-fs-28)}.billing-guide{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);background:#fff;margin-bottom:14px;box-shadow:0 10px 28px #1f478214}.billing-guide h3{margin:0 0 8px}.billing-guide p{color:#5f6f86;line-height:1.7;font-size:var(--k-fs-14);margin:0}.billing-row,.model-row{border-bottom:1px solid #edf2f8;justify-content:space-between;align-items:center;height:58px;display:flex}.billing-row:last-child,.model-row:last-child{border-bottom:0}.billing-row b,.model-row b{font-size:var(--k-fs-14);margin-bottom:5px;display:block}.billing-row small,.model-row small{color:#95a2b5;font-size:var(--k-fs-12)}.billing-row em{font-style:normal;font-weight:900}.billing-row em.minus{color:#ef5148}.billing-row em.plus{color:#18a85d}.model-row span{border-radius:var(--k-radius-12);color:#18a85d;padding:var(--k-space-4) var(--k-space-12);font-size:var(--k-fs-12);background:#eef7f2;font-weight:800}.screen,.screen.full{-webkit-overflow-scrolling:touch;padding-bottom:var(--k-space-16);overflow:hidden auto}.screen::-webkit-scrollbar{width:0;height:0}.phone{flex-direction:column;display:flex}.status-bar{flex:0 0 26px}.screen{flex:auto;min-height:0}.tab-bar{z-index:5;background:#fff;flex:0 0 58px}.no-scroll{overflow:hidden}.plan-row.clickable{padding-bottom:42px}.mini-action{border-radius:var(--k-radius-12);background:var(--k-primary);color:#fff;height:28px;padding:0 var(--k-space-16);font-size:var(--k-fs-12);border:0;font-weight:800;position:absolute;bottom:12px;right:16px}.wrong-actions.four{grid-template-columns:repeat(4,1fr)}.login-required{text-align:center;place-items:center;height:100%;padding:40px 24px;display:grid}.login-required h2{margin:var(--k-space-16) 0 var(--k-space-8);font-size:var(--k-fs-28);color:var(--k-ink)}.login-required p{margin:0 0 var(--k-space-24);color:#6c7a90;line-height:1.7}.login-required-btn{place-items:center;text-decoration:none;display:grid}.health-row{border-bottom:1px solid #edf2f8;justify-content:space-between;align-items:center;height:46px;display:flex}.health-row:last-child{border-bottom:0}.health-row span{color:#627087}.health-row b{color:var(--k-primary);font-size:var(--k-fs-14)}.state-block{border-radius:var(--k-radius-16);color:#6b7a92;justify-content:center;align-items:center;gap:var(--k-space-8);text-align:center;min-height:72px;margin:var(--k-space-12) 0;padding:var(--k-space-16);border:1px solid var(--k-line);background:#f7faff;flex-direction:column;display:flex}.state-block span{font-size:var(--k-fs-14);line-height:1.5}.state-block b{width:32px;height:32px;color:var(--k-primary);font-size:var(--k-fs-18);background:#e8f2ff;border-radius:50%;justify-content:center;align-items:center;display:flex}.state-block a{border-radius:var(--k-radius-16);background:var(--k-primary);color:#fff;height:34px;padding:0 var(--k-space-16);font-size:var(--k-fs-14);white-space:nowrap;justify-content:center;align-items:center;font-weight:700;text-decoration:none;display:flex}.state-block.error{color:#c66a00;background:#fff7f0}.state-block.error b{color:#e87b00;background:#ffead7}.state-spinner{border:3px solid #d8e9ff;border-top-color:var(--k-primary);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.pay-order-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);background:#fff;margin:14px 0;box-shadow:0 10px 28px #1f478214}.pay-order-card h3{margin:0 0 12px}.pay-order-card div{border-bottom:1px solid #edf2f8;justify-content:space-between;align-items:center;gap:12px;min-height:34px;display:flex}.pay-order-card div span{color:#7d899d}.pay-order-card div b{font-size:var(--k-fs-12);word-break:break-all;text-align:right}.pay-order-card pre{white-space:pre-wrap;word-break:break-all;border-radius:var(--k-radius-12);padding:var(--k-space-12);font-size:var(--k-fs-12);color:#536278;background:#f7f9fd;max-height:160px;overflow:auto}.pay-order-card button,.pay-order-card .pay-link{border-radius:var(--k-radius-18);background:var(--k-primary);color:#fff;height:40px;margin-top:var(--k-space-12);border:0;place-items:center;width:100%;font-weight:900;display:grid}.pay-order-card .pay-link{background:var(--k-primary-soft);color:var(--k-primary)}.star-picker{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}.star-picker button{border-radius:var(--k-radius-12);height:40px;font-size:var(--k-fs-12);background:#f0f5ff;border:0}.star-picker button.active{background:var(--k-primary);color:#fff}.wrong-actions.five{grid-template-columns:repeat(5,1fr)}.link-btn{color:var(--k-primary);background:0 0;border:0;padding:0;font-weight:800}.message-bell{border-radius:var(--k-radius-16);background:var(--k-primary-soft);justify-content:center;align-items:center;width:42px;height:42px;text-decoration:none;display:flex;position:relative;box-shadow:0 8px 20px #2475ff1f}.message-bell span{font-size:var(--k-fs-20)}.message-bell i{min-width:18px;height:18px;padding:0 var(--k-space-4);border-radius:var(--k-radius-8);color:#fff;font-size:var(--k-fs-12);white-space:nowrap;background:#ff4d4f;border:2px solid #fff;justify-content:center;align-items:center;font-style:normal;font-weight:800;line-height:1;display:flex;position:absolute;top:2px;right:4px}.message-bell i:empty{width:8px;min-width:0;height:8px;padding:0;top:7px;right:8px}.tab-switch{margin:0 0 var(--k-space-16);border-radius:var(--k-radius-12);border:1px solid var(--k-line);background:#f7f9fd;gap:0;display:flex;overflow:hidden}.tab-switch a{color:#6b7a92;cursor:pointer;height:42px;font-weight:800;font-size:var(--k-fs-14);flex:1;place-items:center;display:grid}.tab-switch a.active{background:var(--k-primary);color:#fff;border-radius:var(--k-radius-12)}.btn-sm{border-radius:var(--k-radius-12);background:var(--k-primary);color:#fff;height:30px;padding:0 var(--k-space-16);font-weight:800;font-size:var(--k-fs-12);cursor:pointer;border:0;place-items:center;display:inline-grid}.form-group{margin-bottom:14px}.form-group label{margin-bottom:var(--k-space-8);color:#344258;font-weight:800;display:block}.form-group input{border-radius:var(--k-radius-12);width:100%;height:46px;padding:0 var(--k-space-16);font:inherit;color:#344258;background:#f7f9fd;border:0;outline:0}.btn-primary{border-radius:var(--k-radius-24);background:var(--k-primary);color:#fff;width:100%;height:48px;font-weight:800;font-size:var(--k-fs-16);cursor:pointer;border:0;box-shadow:0 10px 22px #2475ff40}.btn-primary:disabled{opacity:.55;cursor:not-allowed}.api-tip.error{color:#ef5148;background:#fff0ef}.subject-tabs.selectable b,.subject-tabs.selectable span{cursor:pointer}.subject-tabs .active{border-radius:var(--k-radius-pill);padding:7px 13px;background:var(--k-primary)!important;color:#fff!important}.filters.selects{grid-template-columns:1fr 1fr auto;gap:8px;display:grid}.filters.selects select{border-radius:var(--k-radius-12);height:36px;padding:0 var(--k-space-8);color:#445;background:#f3f6fb;border:0}.filters.selects button,.refresh-btn{border-radius:var(--k-radius-12);color:var(--k-primary);background:#edf4ff;border:0;padding:0 12px;font-weight:700}.refresh-btn{width:100%;height:36px;margin:8px 0 12px}.load-more{margin:12px 0 24px}.phone{padding:0 14px}.screen{-webkit-overflow-scrolling:touch;height:786px;padding:0 3px 12px;overflow:hidden auto}.screen.full{height:844px}.status-bar{display:none!important}.blue-header{margin:0 -14px 16px}.pill-link{min-width:44px;height:28px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);background:var(--k-primary-soft);white-space:nowrap;border:1px solid #d9e8ff;justify-content:center;align-items:center;font-weight:800;color:var(--k-primary)!important;font-size:var(--k-fs-14)!important;display:inline-flex!important}.pill-link.button{cursor:pointer;border:1px solid #d9e8ff}.blue-header .pill-link,.blue-header>a:last-child{min-width:42px;height:26px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);background:#ffffff2e;border:1px solid #ffffff52;color:#fff!important;font-size:var(--k-fs-12)!important}.pay-icon{border-radius:var(--k-radius-8);width:26px;height:26px;font-size:var(--k-fs-14);color:#fff;flex:0 0 26px;place-items:center;font-weight:900;display:grid}.pay-icon svg{fill:#fff;width:24px;height:24px}.pay-icon.wechat{background:#16c25d}.pay-icon.alipay{background:#1677ff}.pay-icon.default{background:var(--k-primary)}.wallet.balance{margin-bottom:18px}.wallet.balance+.api-tip,.wallet.balance+div,.wallet.balance~.bill-row:first-of-type{margin-top:14px}.bill-row{margin-top:10px}.photo-upload-card{align-items:center;gap:var(--k-space-12);border-radius:var(--k-radius-18);padding:var(--k-space-16) var(--k-space-16);margin-bottom:var(--k-space-16);cursor:pointer;background:linear-gradient(135deg,#f8fbff,#edf6ff);border:1px solid #dce9ff;grid-template-columns:48px 1fr 18px;display:grid;box-shadow:0 8px 22px #1f478212}.photo-upload-icon{border-radius:var(--k-radius-16);background:var(--k-primary);color:#fff;width:48px;height:48px;font-size:var(--k-fs-24);place-items:center;display:grid}.photo-upload-card b{font-size:var(--k-fs-16);margin-bottom:4px;display:block}.photo-upload-card span{color:#7e8ba0;font-size:var(--k-fs-12);line-height:1.4;display:block}.photo-upload-card i{color:#9ba7bb;font-style:normal;font-size:var(--k-fs-24)}.wrong-plan{height:auto;min-height:126px;padding:var(--k-space-16);grid-template-columns:112px 1fr;align-items:center}.wrong-plan .calendar-icon{width:78px;height:78px;font-size:var(--k-fs-48)}.wrong-plan-content{align-self:center}.wrong-plan-content p{margin:0 0 2px}.wrong-plan-content strong{font-size:var(--k-fs-32);line-height:1.05}.wrong-plan-content span{margin-top:2px}.wrong-plan-content button{margin-top:8px}.subject-tabs-clickable{gap:var(--k-space-8);padding:2px 0;overflow-x:auto}.subject-tabs-clickable button{color:#526176;border-radius:var(--k-radius-16);padding:var(--k-space-8) var(--k-space-12);white-space:nowrap;background:#f3f6fb;border:0;font-weight:700}.subject-tabs-clickable button.active{background:var(--k-primary);color:#fff}.day-review{cursor:pointer}.detail-card p{white-space:pre-wrap}.detail-card .q-title b{line-height:1.45}.analysis-card p{white-space:pre-wrap;line-height:1.65}.page-title{grid-template-columns:42px 1fr auto;gap:8px}.page-title .pill-link{justify-self:end}.pay-order-card pre{white-space:pre-wrap;word-break:break-all;max-height:150px;overflow:auto}.report-hero,.card,.question-card,.analysis-card,.detail-card,.wallet,.plan{box-shadow:0 8px 22px #1f478212}@media (width<=460px){.phone{padding:0 14px}.screen{height:calc(100vh - 58px)}.screen.full{height:100vh}.blue-header{margin:0 -14px 16px}}.back-icon{border-radius:var(--k-radius-12);background:#f2f7ff;border:1px solid #dfeaff;place-items:center;width:34px;height:34px;font-weight:900;line-height:1;box-shadow:0 6px 14px #2475ff14;color:var(--k-primary)!important;font-size:var(--k-fs-28)!important;display:inline-grid!important}.back-icon svg{width:18px;height:18px}.diagnosis-loading{border-radius:var(--k-radius-24);padding:var(--k-space-24) var(--k-space-20);margin:var(--k-space-12) 0 var(--k-space-16);text-align:center;background:linear-gradient(#fff,#f4f8ff);border:1px solid #dbe8ff;box-shadow:0 12px 28px #1f478217}.diagnosis-loading h2{margin:var(--k-space-12) 0 var(--k-space-8);color:var(--k-ink)}.diagnosis-loading p{color:#6f7f96;margin:0;line-height:1.7}.spinner{border:4px solid #dbe8ff;border-top-color:var(--k-primary);border-radius:50%;width:44px;height:44px;margin:0 auto;animation:.9s linear infinite kadaSpin}@keyframes kadaSpin{to{transform:rotate(360deg)}}.status-pill{height:28px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);font-size:var(--k-fs-12);justify-content:center;align-items:center;font-weight:900;display:inline-flex}.status-pill.done{color:#12a35a;background:#ecfff4;border:1px solid #c8f4da}.diagnosis-result h2{margin-top:10px}.tag-row{flex-wrap:wrap;gap:8px;display:flex}.tag{height:28px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);background:var(--k-primary-soft);color:var(--k-primary);font-size:var(--k-fs-12);align-items:center;font-weight:800;display:inline-flex}.question-card.clickable{cursor:pointer}.question-card.clickable:active{transform:scale(.99)}.link-btn{background:var(--k-primary-soft);color:var(--k-primary);border-radius:var(--k-radius-pill);padding:var(--k-space-8) var(--k-space-12);font-size:var(--k-fs-12);border:0;font-weight:900}.level-0{color:var(--k-amber);letter-spacing:1px;background:#fffbeb}.question-item{border:1px solid var(--k-line);border-radius:var(--k-radius-12);padding:var(--k-space-16);background:#f7f9fd;margin-top:12px}.question-item:first-child{margin-top:0}.question-item h4{margin:0 0 var(--k-space-12);font-size:var(--k-fs-16);color:var(--k-ink)}.bottom-actions{justify-content:center;margin-top:14px;display:flex}.bottom-actions a{border-radius:var(--k-radius-24);width:100%;max-width:280px;height:52px;color:var(--k-primary);background:#f1f6ff;place-items:center;font-weight:800;display:grid}.bottom-actions .primary{background:var(--k-primary);color:#fff;box-shadow:0 10px 22px #2475ff47}.bottom-actions .primary.wide-center{max-width:320px;height:54px;font-size:var(--k-fs-16)}.bottom-fixed{padding:var(--k-space-12) var(--k-space-16);z-index:100;background:#fff;border-top:1px solid #f0f3f8;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 20px #0000000d}.bottom-fixed a{border-radius:var(--k-radius-24);background:var(--k-primary);color:#fff;place-items:center;width:100%;height:52px;font-weight:800;display:grid;box-shadow:0 10px 22px #2475ff47}.bottom-fixed a:disabled{opacity:.5}.openclaw-bottom-actions{padding:var(--k-space-12) var(--k-space-16);background:0 0;flex-shrink:0;justify-content:center;display:flex}.openclaw-bottom-actions a{border-radius:var(--k-radius-24);background:var(--k-primary);color:#fff;width:100%;max-width:320px;height:52px;font-weight:900;font-size:var(--k-fs-16);place-items:center;display:grid;box-shadow:0 10px 22px #2475ff47}.openclaw-bottom-actions a.loading{opacity:.85;pointer-events:none}.openclaw-page-wrapper{flex-direction:column;height:100%;margin-bottom:-12px;display:flex}.openclaw-page-scroll{min-height:0;padding-bottom:var(--k-space-12);-ms-overflow-style:none;scrollbar-width:none;flex:1;overflow-y:auto}.openclaw-page-scroll::-webkit-scrollbar{display:none}.openclaw-content{min-height:300px;position:relative}.openclaw-loading-overlay{z-index:99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:var(--k-radius-16);background:#fff9;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.openclaw-loading-card{border-radius:var(--k-radius-18);background:linear-gradient(#fff,#f4f8ff);flex-direction:column;justify-content:center;align-items:center;gap:10px;width:120px;height:120px;display:flex;box-shadow:0 12px 28px #1f47821f,0 0 0 1px #e8f0fe}.class-container{padding:0 8px}.btn-join{min-width:64px;height:30px;padding:0 var(--k-space-16);border-radius:var(--k-radius-pill);background:var(--k-primary);white-space:nowrap;cursor:pointer;border:0;justify-content:center;align-items:center;font-weight:800;box-shadow:0 6px 16px #2475ff38;color:#fff!important;font-size:var(--k-fs-14)!important;display:inline-flex!important}.class-card{border-radius:var(--k-radius-18);margin-bottom:var(--k-space-16);background:#fff;border:1px solid #e8f0fc;overflow:hidden;box-shadow:0 12px 32px #1f478214}.card-header{justify-content:space-between;align-items:center;padding:16px 18px 0;display:flex}.grade-badge{height:28px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);color:#fff;font-size:var(--k-fs-12);align-items:center;font-weight:800;display:flex}.grade-badge.bg-blue-500{background:#3b82f6}.grade-badge.bg-green-500{background:#22c55e}.grade-badge.bg-purple-500{background:#a855f7}.grade-badge.bg-indigo-500{background:#6366f1}.card-actions{gap:8px;display:flex}.action-btn{border-radius:var(--k-radius-12);color:#6b7a92;cursor:pointer;background:#f4f8ff;border:0;place-items:center;width:32px;height:32px;display:grid}.action-btn svg{width:16px;height:16px}.card-body{padding:12px 18px}.class-name{margin:0 0 var(--k-space-8);font-size:var(--k-fs-18);color:var(--k-ink)}.class-info{align-items:center;gap:var(--k-space-12);color:#6b7a92;font-size:var(--k-fs-14);display:flex}.class-info svg{width:14px;height:14px;margin-right:4px}.teacher-info,.member-info{align-items:center;display:flex}.divider{color:#d0d9e3}.card-footer{padding:var(--k-space-12) var(--k-space-16) var(--k-space-16);border-top:1px solid #f4f7fc;justify-content:space-between;align-items:center;display:flex}.footer-link{color:var(--k-primary);font-size:var(--k-fs-14);font-weight:800}.footer-stats{gap:20px;display:flex}.stat-item{flex-direction:column;align-items:center;display:flex}.stat-value{font-size:var(--k-fs-20);color:var(--k-ink);font-weight:900}.stat-label{font-size:var(--k-fs-12);color:#9aa6b8}.stat-divider{background:#e8eef5;width:1px;height:24px}.empty-state{padding:60px var(--k-space-24);text-align:center;flex-direction:column;align-items:center;display:flex}.empty-icon{font-size:var(--k-fs-64);margin-bottom:16px}.empty-title{margin:0 0 var(--k-space-8);font-size:var(--k-fs-20);color:var(--k-ink)}.empty-desc{margin:0 0 var(--k-space-24);color:#6b7a92;font-size:var(--k-fs-14);line-height:1.6}.empty-btn{border-radius:var(--k-radius-24);background:var(--k-primary);color:#fff;place-items:center;width:100%;max-width:200px;height:48px;font-weight:800;display:grid;box-shadow:0 10px 22px #2475ff40}.parsed-questions-section{margin-top:16px}.parsed-header{padding:var(--k-space-12) var(--k-space-16);color:#d47400;font-size:var(--k-fs-14);background:#fff8e8;border-radius:16px 16px 0 0;font-weight:800}.parsed-question-card{border:1px solid var(--k-line);padding:var(--k-space-16);background:#fff;border-radius:0 0 18px 18px;margin-bottom:16px;box-shadow:0 10px 28px #1f478214}.parsed-question-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.question-title-row{align-items:center;gap:12px;display:flex}.question-title{font-size:var(--k-fs-16);color:var(--k-primary);font-weight:900}.question-meta{font-size:var(--k-fs-12);color:var(--k-muted)}.delete-question-btn{color:#ff453a;width:30px;height:30px;font-size:var(--k-fs-24);cursor:pointer;background:#fff0ef;border:0;border-radius:50%;place-items:center;display:grid}.question-fields-row{gap:var(--k-space-12);grid-template-columns:1fr 1fr auto;margin-bottom:14px;display:grid}.field-group{flex-direction:column;gap:6px;display:flex}.field-label{font-size:var(--k-fs-12);color:#8592a8;font-weight:700}.field-select{border-radius:var(--k-radius-12);height:38px;padding:0 var(--k-space-12);font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;border:1px solid #e8edf5;outline:none}.answer-status-group{align-self:flex-end}.answer-status-btns{gap:8px;display:flex}.answer-status-btn{border-radius:var(--k-radius-16);height:34px;padding:0 var(--k-space-16);font-size:var(--k-fs-12);color:#657288;cursor:pointer;background:#f7f9fd;border:1px solid #e8edf5}.answer-status-btn.correct{color:#21a965;background:#eefaf2;border-color:#21a965}.answer-status-btn.wrong{color:#ef4d45;background:#fff0ef;border-color:#ef4d45}.question-field-block{margin-bottom:12px}.block-label{font-size:var(--k-fs-12);color:#8592a8;margin-bottom:6px;font-weight:700;display:block}.block-content{border-radius:var(--k-radius-12);padding:var(--k-space-12);font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;min-height:40px;line-height:1.7}.options-list{flex-direction:column;gap:6px;display:flex}.option-item{align-items:flex-start;gap:var(--k-space-8);border-radius:var(--k-radius-12);padding:var(--k-space-12) var(--k-space-12);font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;line-height:1.6;display:flex}.option-label{color:var(--k-primary);flex-shrink:0;font-weight:700}.question-field-row{gap:var(--k-space-12);grid-template-columns:1fr 1fr;margin-bottom:12px;display:grid}.half-field{flex-direction:column;gap:6px;display:flex}.answer-content{border-radius:var(--k-radius-12);padding:var(--k-space-12) var(--k-space-12);font-size:var(--k-fs-14);color:var(--k-primary);background:#f0f5ff;min-height:36px;font-weight:700}.exam-points-list{flex-wrap:wrap;gap:8px;display:flex}.exam-point-tag{height:28px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);background:var(--k-primary-soft);color:var(--k-primary);font-size:var(--k-fs-12);align-items:center;font-weight:800;display:inline-flex}.analysis-content{border-radius:var(--k-radius-12);padding:var(--k-space-12);font-size:var(--k-fs-14);color:#506077;background:#f7f9fd;line-height:1.8}.save-all-btn{width:100%!important;max-width:100%!important}.stem-textarea{border-radius:var(--k-radius-12);width:100%;min-height:80px;padding:var(--k-space-12);font-size:var(--k-fs-14);color:#344258;resize:vertical;background:#f7f9fd;border:1px solid #e8edf5;outline:none;font-family:inherit;line-height:1.7}.stem-textarea:focus{border-color:var(--k-primary);background:#fff}.option-item.editable{align-items:center;gap:var(--k-space-8);border-radius:var(--k-radius-12);background:#f7f9fd;padding:8px 12px;display:flex}.option-input{border-radius:var(--k-radius-8);padding:var(--k-space-8) var(--k-space-12);font-size:var(--k-fs-14);color:#344258;background:#fff;border:1px solid #e8edf5;outline:none;flex:1}.option-input:focus{border-color:var(--k-primary)}.option-delete-btn{color:#ff453a;width:28px;height:28px;font-size:var(--k-fs-18);cursor:pointer;background:#fff0ef;border:0;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.add-option-btn{border-radius:var(--k-radius-12);width:100%;height:36px;color:var(--k-muted);font-size:var(--k-fs-14);cursor:pointer;background:#f7f9fd;border:1px dashed #d0d9e3;margin-top:8px}.add-option-btn:hover{border-color:var(--k-primary);color:var(--k-primary)}.answer-input{border-radius:var(--k-radius-12);width:100%;padding:var(--k-space-12) var(--k-space-12);font-size:var(--k-fs-14);color:var(--k-primary);background:#f0f5ff;border:1px solid #e8edf5;outline:none;font-weight:700}.answer-input:focus{border-color:var(--k-primary);background:#e8f0ff}.form-row-inline{gap:var(--k-space-12);margin-bottom:14px;display:flex}.form-inline-item{flex:1;display:block;margin-bottom:0!important}.form-inline-item span{color:#5c6a80;margin-bottom:var(--k-space-8);font-weight:800;font-size:var(--k-fs-14);display:block}.form-inline-item select{border-radius:var(--k-radius-12);width:100%;padding:var(--k-space-12);font-family:inherit;font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;border:0;outline:0}.ocr-questions-section{margin-top:14px}.ocr-questions-header{padding:var(--k-space-12) var(--k-space-16);color:#d47400;font-size:var(--k-fs-14);background:#fff8e8;border-radius:16px 16px 0 0;justify-content:space-between;align-items:center;font-weight:800;display:flex}.toggle-preview-btn{border-radius:var(--k-radius-16);height:32px;padding:0 var(--k-space-16);font-size:var(--k-fs-12);color:#657288;cursor:pointer;background:#fff;border:1px solid #e8edf5}.ocr-question-card{border:1px solid var(--k-line);padding:var(--k-space-16);background:#fff;border-radius:0 0 18px 18px;margin-bottom:14px;box-shadow:0 10px 28px #1f478214}.ocr-question-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.ocr-question-title{font-size:var(--k-fs-14);color:var(--k-primary);font-weight:900}.ocr-question-meta{font-size:var(--k-fs-14);color:var(--k-muted);margin-left:12px}.ocr-question-delete{color:#ff453a;width:30px;height:30px;font-size:var(--k-fs-24);cursor:pointer;background:#fff0ef;border:0;border-radius:50%;place-items:center;display:grid}.ocr-question-fields{flex-direction:column;gap:12px;display:flex}.ocr-field-row{gap:10px;display:flex}.ocr-question-loading{align-items:center;gap:var(--k-space-8);font-size:var(--k-fs-12);color:var(--k-primary);font-weight:600;display:inline-flex}.ocr-question-loading i{border:2px solid #cfdfff;border-top-color:var(--k-primary);border-radius:50%;width:14px;height:14px;animation:.8s linear infinite ocrSpin}@keyframes ocrSpin{to{transform:rotate(360deg)}}.ocr-skeleton{border-radius:var(--k-radius-8);background:linear-gradient(90deg,#f0f4fb 25%,#e6edf7 37%,#f0f4fb 63%) 0 0/400% 100%;animation:1.3s ease-in-out infinite ocrSkeleton}.deep-thinking{align-items:center;gap:var(--k-space-8);padding:var(--k-space-8) var(--k-space-16);background:linear-gradient(90deg,var(--k-primary-soft),#f3efff);border-radius:var(--k-radius-pill);color:#5b5ef7;font-size:var(--k-fs-14);letter-spacing:1px;border:1px solid #e4e9ff;font-weight:700;display:inline-flex}.deep-thinking i{border:2px solid #d8dcff;border-top-color:#5b5ef7;border-radius:50%;width:14px;height:14px;animation:.8s linear infinite ocrSpin}.deep-thinking .dt-dots{gap:var(--k-space-4);align-items:flex-end;display:inline-flex}.deep-thinking .dt-dots b{opacity:.3;background:#5b5ef7;border-radius:50%;width:4px;height:4px;animation:1.2s ease-in-out infinite dtPulse}.deep-thinking .dt-dots b:nth-child(2){animation-delay:.2s}.deep-thinking .dt-dots b:nth-child(3){animation-delay:.4s}@keyframes dtPulse{0%,to{opacity:.25;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}@keyframes ocrSkeleton{0%{background-position:100%}to{background-position:0}}.ocr-field-group{gap:var(--k-space-8);flex-direction:column;flex:1;display:flex}.ocr-field-label{font-size:var(--k-fs-14);color:#8592a8;font-weight:700}.ocr-field-select{border-radius:var(--k-radius-12);height:38px;padding:0 var(--k-space-12);font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;border:1px solid #e8edf5;outline:none}.ocr-question-row{gap:var(--k-space-12);align-items:flex-start;display:flex}.ocr-question-label{width:48px;font-size:var(--k-fs-14);color:#8592a8;flex-shrink:0;padding-top:10px;font-weight:700}.ocr-question-readonly{border-radius:var(--k-radius-12);padding:var(--k-space-12);font-size:var(--k-fs-14);color:#344258;background:#f7f9fd;flex:1;min-height:40px;line-height:1.7}.ocr-question-textarea{border-radius:var(--k-radius-12);min-height:60px;padding:var(--k-space-12);font-size:var(--k-fs-14);color:#344258;resize:vertical;background:#f7f9fd;border:1px solid #e8edf5;outline:none;flex:1;font-family:inherit;line-height:1.7}.ocr-question-textarea:focus{border-color:var(--k-primary);background:#fff}.stream-log-card{border:1px solid var(--k-line);border-radius:var(--k-radius-18);padding:var(--k-space-16);background:#fff;margin-bottom:14px;box-shadow:0 10px 28px #1f478214}.stream-log-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.stream-log-header span{color:#5c6a80;font-weight:800;font-size:var(--k-fs-14)}.stream-log-count{font-size:var(--k-fs-12);color:var(--k-muted);padding:var(--k-space-2) var(--k-space-12);border-radius:var(--k-radius-pill);background:#f7f9fd}.stream-log-content{border-radius:var(--k-radius-12);background:#f7f9fd;max-height:320px;padding:10px 12px;overflow-y:auto}.stream-log-item{gap:var(--k-space-12);padding:var(--k-space-8) 0;font-size:var(--k-fs-14);border-bottom:1px solid #eef2f8;line-height:1.5;display:flex}.stream-log-item:last-child{border-bottom:0}.stream-log-time{color:var(--k-muted);font-size:var(--k-fs-12);text-align:right;flex-shrink:0;width:62px;font-family:monospace}.stream-log-message{color:#344258;word-break:break-all}.stream-log-info .stream-log-message{color:#344258}.stream-log-success .stream-log-message{color:#21a965}.stream-log-error .stream-log-message{color:#ef4d45}.stream-log-raw .stream-log-message{color:var(--k-muted);font-family:monospace;font-size:var(--k-fs-12)}.dp-edit-btn{background:var(--k-primary-soft);width:30px;height:30px;color:var(--k-primary);cursor:pointer;border:0;border-radius:50%;place-items:center;transition:background .2s;display:grid}.dp-edit-btn:hover{background:#dceaff}.dp-guide{margin-bottom:var(--k-space-20);padding:0 var(--k-space-12);background:0 0;justify-content:center;align-items:center;gap:0;display:flex}.dp-guide-step{align-items:center;gap:var(--k-space-4);padding:var(--k-space-8) var(--k-space-12);border-radius:var(--k-radius-12);background:#f5f7fa;transition:all .3s;display:flex}.dp-guide-step.active{background:var(--k-primary-soft);box-shadow:0 2px 8px #2475ff26}.dp-guide-step.done{background:#e8f5e9}.dp-guide-num{font-size:var(--k-fs-12);color:var(--k-muted);font-weight:800;transition:color .3s}.dp-guide-step.active .dp-guide-num{color:var(--k-primary)}.dp-guide-step.done .dp-guide-num{color:#21a965}.dp-guide-text{font-size:var(--k-fs-12);color:#657288;white-space:nowrap;font-weight:700;transition:color .3s}.dp-guide-step.active .dp-guide-text{color:var(--k-primary)}.dp-guide-step.done .dp-guide-text{color:#21a965}.dp-guide-line{border-radius:var(--k-radius-4);background:#e8edf5;flex-shrink:0;width:16px;height:2px}.dp-guide-step.done+.dp-guide-line{background:#b7dfc5}.qe-overlay{z-index:999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000073;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.qe-modal{border-radius:var(--k-radius-18);background:#fff;flex-direction:column;width:100%;max-width:600px;max-height:85vh;display:flex;overflow:hidden;box-shadow:0 20px 60px #0003}.qe-header{padding:var(--k-space-16) var(--k-space-20);border-bottom:1px solid var(--k-line);justify-content:space-between;align-items:center;display:flex}.qe-title{font-size:var(--k-fs-16);color:#1a2b4c;font-weight:900}.qe-close{color:#657288;cursor:pointer;background:#f5f7fa;border:0;border-radius:50%;place-items:center;width:32px;height:32px;display:grid}.qe-body{padding:var(--k-space-20);-ms-overflow-style:none;scrollbar-width:none;flex:1;overflow-y:auto}.qe-body::-webkit-scrollbar{display:none}.qe-footer{gap:var(--k-space-12);padding:var(--k-space-16) var(--k-space-20);border-top:1px solid var(--k-line);justify-content:flex-end;display:flex}.qe-btn-cancel{height:40px;padding:0 var(--k-space-20);border-radius:var(--k-radius-12);color:#657288;font-size:var(--k-fs-14);cursor:pointer;background:#fff;border:1px solid #e8edf5;font-weight:700}.qe-btn-save{height:40px;padding:0 var(--k-space-24);border-radius:var(--k-radius-12);background:var(--k-primary);color:#fff;font-size:var(--k-fs-14);cursor:pointer;border:0;font-weight:700;box-shadow:0 4px 12px #2475ff4d}.vc-root{border-radius:var(--k-radius-18);padding:var(--k-space-12) var(--k-space-12) var(--k-space-12);background:radial-gradient(120% 90% at 50% 0,#5082ff24,#0000 55%),linear-gradient(165deg,#18223a,#101728 55%,#141d33);flex-direction:column;align-items:center;display:flex;box-shadow:inset 0 0 0 1px #ffffff12,0 10px 26px #10182c29}.vc-root--immersive{box-shadow:none;width:100%;min-height:100%;padding:0 0 max(env(safe-area-inset-bottom,0px),6px);border-radius:0}.vc-viewport{border-radius:var(--k-radius-12);background:#0b1120;justify-content:center;align-items:center;width:100%;display:flex;position:relative;overflow:hidden;box-shadow:0 6px 20px #0000006b}.vc-imglayer{border-radius:var(--k-radius-12);transform-origin:50%;background:#0b1120;position:absolute;top:50%;left:50%;overflow:hidden;box-shadow:0 6px 20px #0000006b}.vc-zoom-label{text-align:center;color:#aebdd0;min-width:42px;font-size:var(--k-fs-12);font-variant-numeric:tabular-nums;justify-content:center;align-self:center;align-items:center;font-weight:700;line-height:1;display:inline-flex}.vc-img{-webkit-user-select:none;user-select:none;-webkit-user-drag:none;max-width:none;position:absolute;top:50%;left:50%}.vc-mask{pointer-events:none;background:#090e1a6b;transition:background .25s,opacity .25s;position:absolute;inset:0}.vc-viewport.is-dragging .vc-mask{background:#090e1a8c}.vc-mask.vc-anim{transition:clip-path .28s cubic-bezier(.22,1,.36,1),background .25s,opacity .25s}.vc-frame{box-sizing:border-box;cursor:move;touch-action:none;z-index:6;border:1px solid #ffffffe0;position:absolute;box-shadow:0 0 0 1px #00000047,0 0 22px #3d82ff38}.vc-viewport.is-dragging .vc-frame{border-color:#5aa2ff;box-shadow:0 0 0 1px #00000047,0 0 30px #3d82ff73}.vc-gridline{pointer-events:none;background:#ffffff29;position:absolute}.vc-gl-v1{width:1px;top:0;bottom:0;left:33.33%}.vc-gl-v2{width:1px;top:0;bottom:0;left:66.66%}.vc-gl-h1{height:1px;top:33.33%;left:0;right:0}.vc-gl-h2{height:1px;top:66.66%;left:0;right:0}.vc-corner{pointer-events:none;filter:drop-shadow(0 1px 4px #00000073);border:0 solid #5aa2ff;width:22px;height:22px;position:absolute}.vc-c-tl{border-top-width:3px;border-left-width:3px;border-top-left-radius:7px;top:-2px;left:-2px}.vc-c-tr{border-top-width:3px;border-right-width:3px;border-top-right-radius:7px;top:-2px;right:-2px}.vc-c-bl{border-bottom-width:3px;border-left-width:3px;border-bottom-left-radius:7px;bottom:-2px;left:-2px}.vc-c-br{border-bottom-width:3px;border-right-width:3px;border-bottom-right-radius:7px;bottom:-2px;right:-2px}.vc-handles{z-index:7;pointer-events:none;position:absolute;inset:0}.vc-edge{touch-action:none;pointer-events:auto;background:0 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20px;display:flex}.k-empty-icon{border-radius:var(--k-radius-18);background:var(--k-primary-soft);width:64px;height:64px;color:var(--k-primary);font-size:var(--k-fs-32);place-items:center;margin-bottom:14px;font-weight:900;display:grid}.k-empty-title{font-size:var(--k-fs-16);color:var(--k-ink);margin:0 0 6px;font-weight:900}.k-empty-desc{font-size:var(--k-fs-14);color:var(--k-muted);margin:0 0 var(--k-space-16);line-height:1.6}.k-empty-btn{height:42px;padding:0 var(--k-space-24);border-radius:var(--k-radius-18);background:var(--k-primary);color:#fff;font-size:var(--k-fs-14);justify-content:center;align-items:center;font-weight:800;display:inline-flex;box-shadow:0 8px 20px #2475ff40}.k-btn{height:44px;padding:0 var(--k-space-20);border-radius:var(--k-radius-24);background:var(--k-primary);color:#fff;cursor:pointer;border:0;justify-content:center;align-items:center;font-size:14.5px;font-weight:800;transition:opacity .15s;display:inline-flex;box-shadow:0 8px 20px #2475ff38}.k-btn:disabled{opacity:.55;cursor:not-allowed}.k-btn.block{width:100%}.k-btn.ghost{background:var(--k-primary-soft);color:var(--k-primary);box-shadow:none}.k-btn.outline{color:var(--k-body);border:1px solid var(--k-line-strong);box-shadow:none;background:#fff}.k-btn.danger{background:var(--k-red-soft);color:var(--k-red);box-shadow:none}.k-btn.sm{height:32px;padding:0 var(--k-space-16);border-radius:var(--k-radius-16);font-size:12.5px}.k-tabs{gap:var(--k-space-8);border-radius:var(--k-radius-12);padding:var(--k-space-4);background:#f1f4f9;margin-bottom:14px;display:flex}.k-tabs button{border-radius:var(--k-radius-12);height:36px;color:var(--k-body);cursor:pointer;background:0 0;border:0;flex:1;font-size:13.5px;font-weight:700;transition:all .15s}.k-tabs button.active{color:var(--k-primary);box-shadow:var(--k-shadow-sm);background:#fff}.k-tag-row{gap:var(--k-space-8);flex-wrap:wrap;margin-bottom:12px;display:flex}.k-tag{height:26px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);align-items:center;font-size:12px;font-weight:800;display:inline-flex}.k-tag.blue{background:var(--k-blue-soft);color:var(--k-blue)}.k-tag.violet{background:var(--k-violet-soft);color:var(--k-violet)}.k-tag.amber{background:var(--k-amber-soft);color:var(--k-amber)}.k-tag.gray{color:var(--k-muted);background:#f1f4f9}.k-status{height:26px;padding:0 var(--k-space-12);border-radius:var(--k-radius-pill);font-size:var(--k-fs-12);flex-shrink:0;align-items:center;font-weight:800;display:inline-flex}.k-status.pending{background:var(--k-amber-soft);color:var(--k-amber)}.k-status.mastered{background:var(--k-green-soft);color:var(--k-green)}.k-status.reviewed{background:var(--k-blue-soft);color:var(--k-blue)}.k-toolbar{align-items:center;gap:var(--k-space-8);margin-bottom:12px;display:flex}.k-toolbar .k-tag-row{flex:1;margin:0}.k-scroll-tabs{gap:var(--k-space-8);padding:var(--k-space-2) 0 var(--k-space-4);margin-bottom:var(--k-space-12);scrollbar-width:none;-ms-overflow-style:none;display:flex;overflow-x:auto}.k-scroll-tabs::-webkit-scrollbar{display:none}.k-scroll-tabs button{color:var(--k-body);border-radius:var(--k-radius);padding:var(--k-space-8) var(--k-space-16);font-size:var(--k-fs-14);white-space:nowrap;cursor:pointer;min-height:var(--k-tap);box-sizing:border-box;background:#f1f4f9;border:0;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;transition:all .15s;display:inline-flex}.k-scroll-tabs button.active{background:var(--k-primary);color:#fff}.k-form-card{background:var(--k-card);border:1px solid var(--k-line);border-radius:var(--k-radius);box-shadow:var(--k-shadow);padding:var(--k-space-16);margin-bottom:14px}.k-field{margin-bottom:14px}.k-field:last-child{margin-bottom:0}.k-label{color:var(--k-body);margin-bottom:7px;font-size:12.5px;font-weight:800;display:block}.k-input,.k-select,.k-textarea{border-radius:var(--k-radius-in);width:100%;padding:var(--k-space-12) var(--k-space-12);color:var(--k-ink);background:#f6f8fc;border:0;outline:0;font-family:inherit;font-size:13.5px}.k-input:focus,.k-select:focus,.k-textarea:focus{background:#eef4ff}.k-textarea{resize:none;min-height:96px;line-height:1.6}.k-select{appearance:none;height:44px;padding:0 var(--k-space-32) 0 var(--k-space-12);cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238d99ad' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;background-size:14px;line-height:44px}.k-select:focus{background-color:#eef4ff;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%232475ff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;background-size:14px}.k-notice{align-items:center;gap:var(--k-space-8);border-radius:var(--k-radius-12);background:var(--k-amber-soft);min-height:34px;color:var(--k-amber);padding:var(--k-space-8) var(--k-space-12);font-size:var(--k-fs-14);margin-bottom:12px;line-height:1.5;display:flex}.k-notice.success{background:var(--k-green-soft);color:var(--k-green)}.k-notice.error{background:var(--k-red-soft);color:var(--k-red)}.k-actions{gap:var(--k-space-12);grid-template-columns:1fr 1fr;margin:12px 0 14px;display:grid}.k-actions.single{grid-template-columns:1fr}.k-actions.triple{grid-template-columns:repeat(3,1fr)}.k-actions.triple>.k-btn{gap:var(--k-space-2);height:auto;min-height:44px;padding:var(--k-space-4) var(--k-space-8);flex-direction:column;font-size:13px;line-height:1.15}.k-actions.triple>.k-btn .k-btn-note{opacity:.85;font-size:12px;font-weight:600;line-height:1.1}.k-btn-line{justify-content:center;align-items:center;gap:6px;display:inline-flex}.k-metric{align-items:baseline;gap:4px;display:flex}.k-metric b{font-size:var(--k-fs-24);color:var(--k-ink);font-weight:900}.k-metric small{font-size:var(--k-fs-12);color:var(--k-muted);font-weight:600}.qitem{background:var(--k-card);border:1px solid var(--k-line);border-radius:var(--k-radius);box-shadow:var(--k-shadow);padding:var(--k-space-16);margin-bottom:var(--k-space-16);cursor:pointer;transition:box-shadow .15s,transform .12s}.qitem:active{transform:scale(.995)}.qitem-tags{margin-bottom:10px}.qitem-tags .qitem-diff{margin-left:auto}.qitem-stem{font-size:var(--k-fs-14);color:var(--k-body);margin:0 0 var(--k-space-12);-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.65;display:-webkit-box;overflow:hidden}.qitem-imgs{gap:var(--k-space-8);margin-bottom:var(--k-space-12);display:flex;overflow:hidden}.qitem-img{border-radius:var(--k-radius-8);object-fit:cover;border:1px solid var(--k-line);background:var(--k-bg);flex:none;width:96px;height:72px}.qitem-img-more{border-radius:var(--k-radius-8);background:var(--k-bg);border:1px solid var(--k-line);width:96px;height:72px;color:var(--k-muted);font-size:var(--k-fs-14);justify-content:center;align-items:center;font-weight:800;display:inline-flex}.qitem-personal{gap:var(--k-space-8);flex-wrap:wrap;margin-bottom:12px;display:flex}.qitem-foot{justify-content:space-between;align-items:center;gap:var(--k-space-8);padding-top:var(--k-space-12);border-top:1px solid var(--k-line);flex-wrap:wrap;display:flex}.qitem-points{gap:var(--k-space-4);flex-wrap:wrap;flex:1;min-width:0;display:flex}.qitem-point{font-size:var(--k-fs-12);color:var(--k-muted);background:var(--k-bg);padding:var(--k-space-4) var(--k-space-8);border-radius:var(--k-radius-pill);white-space:nowrap;font-weight:700}.qitem-point.empty{color:var(--k-faint);background:0 0}.qitem-point.more{background:var(--k-primary-soft);color:var(--k-primary)}.qitem-right{align-items:center;gap:var(--k-space-8);flex-shrink:0;display:flex}.qitem-accuracy{font-size:var(--k-fs-12);color:var(--k-green);white-space:nowrap;font-weight:800}.qitem-add{height:30px;padding:0 var(--k-space-12);border-radius:var(--k-radius-12);background:var(--k-red-soft);color:var(--k-red);font-size:var(--k-fs-12);cursor:pointer;border:0;font-weight:800;transition:opacity .15s}.qitem-add:active{opacity:.75}.qitem-add:disabled{opacity:.5}.qdc-head{justify-content:space-between;align-items:flex-start;gap:var(--k-space-12);margin-bottom:12px;display:flex}.qdc-head .k-tag-row{flex:1;margin:0}.qdc-stem{font-size:var(--k-fs-16);color:var(--k-ink);margin:0 0 12px;line-height:1.75}.qdc-img{object-fit:contain;border-radius:var(--k-radius-12);background:var(--k-bg);width:100%;max-height:240px;margin:0 0 12px}.qdc-options{flex-direction:column;gap:8px;display:flex}.qdc-option{align-items:center;gap:var(--k-space-12);padding:var(--k-space-12) var(--k-space-12);border-radius:var(--k-radius-12);border:1px solid var(--k-line-strong);background:#f6f8fc;display:flex}.qdc-option-key{background:var(--k-line-strong);width:26px;height:26px;color:var(--k-body);font-size:var(--k-fs-12);border-radius:50%;flex-shrink:0;place-items:center;font-weight:800;display:grid}.qdc-option-text{min-width:0;font-size:var(--k-fs-14);color:var(--k-body);align-items:center;gap:var(--k-space-8);flex-wrap:wrap;flex:1;line-height:1.6;display:flex}.qdc-option.answer{background:var(--k-green-soft);border-color:#a7e3bd}.qdc-option.answer .qdc-option-key{background:var(--k-green);color:#fff}.qdc-option.my-wrong{background:var(--k-red-soft);border-color:#f6c1cc}.qdc-option.my-wrong .qdc-option-key{background:var(--k-red);color:#fff}.qdc-option-mark{white-space:nowrap;flex-shrink:0;margin-left:auto;font-size:12px;font-weight:800}.qdc-option-mark.ok{color:var(--k-green)}.qdc-option-mark.no{color:var(--k-red)}.qdc-option-img{border-radius:var(--k-radius-8);flex-shrink:0;max-width:120px;max-height:120px}.qdc-meta{gap:var(--k-space-8) var(--k-space-16);margin-top:var(--k-space-16);padding-top:var(--k-space-12);border-top:1px solid var(--k-line);flex-wrap:wrap;display:flex}.qdc-meta-item{font-size:var(--k-fs-12);color:var(--k-muted)}.qdc-meta-item b{color:var(--k-body);margin-right:5px;font-weight:700}.vq2-chip-gold{color:#b45309;background:#fffaeb;border-color:#fde9c8}.vq2-chip-red{color:var(--k-red);background:#fff1f2;border-color:#fecdd3}.vq2-body{padding:6px 16px 16px}.vq2-section{margin-top:14px}.vq2-section-title{font-size:var(--k-fs-14);color:#5c6a80;margin-bottom:var(--k-space-8);align-items:center;gap:8px;font-weight:800;display:flex}.vq2-stem{font-size:var(--k-fs-14);color:#334155;line-height:1.7;position:relative}.vq2-stem-fade{background:linear-gradient(#0000,#fff);height:28px;position:absolute;bottom:0;left:0;right:0}.vq2-toggle{margin-top:var(--k-space-8);padding:var(--k-space-4) var(--k-space-12);color:#5c6a80;font-size:var(--k-fs-12);border-radius:var(--k-radius-pill);cursor:pointer;background:#f7f9fd;border:1px solid #dbe3ef;font-weight:700;transition:all .2s;display:inline-block}.vq2-toggle:hover{color:var(--k-primary);background:#eef2f8;border-color:#c7d8f5}.vq2-answers{gap:var(--k-space-12);flex-wrap:wrap;display:flex}.vq2-answer-col{flex:160px;min-width:140px}.vq2-answer-box{border-radius:var(--k-radius-12);padding:var(--k-space-12) var(--k-space-12);font-size:var(--k-fs-14);color:#334155;background:#f7f9fd;border:1px solid #eef2f8;min-height:42px;line-height:1.6}.vq2-hint{font-size:var(--k-fs-14);color:#475569;border-radius:var(--k-radius-12);background:#f7f9fd;padding:10px 12px;line-height:1.7}.vq2-analysis-scroll{max-height:340px;font-size:var(--k-fs-14);color:#334155;padding:var(--k-space-12) var(--k-space-16);border-radius:var(--k-radius-12);scrollbar-width:thin;scrollbar-color:#dbe3ef transparent;background:#fbfcfe;border:1px solid #eef2f8;line-height:1.8;overflow-y:auto}.vq2-analysis-scroll .math-block{color:#1e293b}.vq2-save-success{padding:var(--k-space-40) var(--k-space-16) var(--k-space-24);text-align:center}.vq2-save-success-card{max-width:360px;padding:var(--k-space-32) var(--k-space-20);border-radius:var(--k-radius-18);background:#fff;border:1px solid #eef2f8;margin:0 auto;box-shadow:0 8px 24px #0f172a0f}.vq2-save-success-icon{width:76px;height:76px;color:var(--k-green);background:#e8f8ee;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 18px;display:flex;box-shadow:0 8px 24px #16a34a29}.vq2-save-success-title{font-size:var(--k-fs-24);color:#111827;margin-bottom:10px;font-weight:800}.vq2-save-success-desc{font-size:var(--k-fs-14);color:#657288;line-height:1.7}.vq2-save-actions{grid-template-columns:1fr 1fr;gap:10px;max-width:360px;margin:20px auto 0;display:grid}.vq2-save-actions .btn{padding:var(--k-space-12) var(--k-space-12);border-radius:var(--k-radius-12);color:#374151;font-size:var(--k-fs-14);cursor:pointer;justify-content:center;align-items:center;gap:var(--k-space-8);white-space:nowrap;background:#fff;border:1px solid #d1d5db;font-weight:600;display:flex}.vq2-mini-loading{align-items:center;gap:var(--k-space-4);color:var(--k-primary);font-size:var(--k-fs-12);font-weight:700;display:inline-flex}.vq2-mini-loading i{border:2px solid #cfdfff;border-top-color:var(--k-primary);border-radius:50%;width:12px;height:12px;animation:.8s linear infinite ocrSpin}.vq2-retry{align-items:center;gap:var(--k-space-8);margin-top:var(--k-space-12);padding:var(--k-space-8) var(--k-space-16);border-radius:var(--k-radius-12);border:1px solid var(--k-primary);color:var(--k-primary);font-size:var(--k-fs-14);cursor:pointer;background:#fff;font-weight:700;transition:all .2s;display:inline-flex}.vq2-analysis-empty{font-size:var(--k-fs-14);color:#94a3b8;flex-direction:column;align-items:flex-start;display:flex}.vq2-retry:hover{background:#f0f6ff}.pap-detail-hero{gap:var(--k-space-12);margin:0 var(--k-space-16) var(--k-space-12);padding:var(--k-space-16) var(--k-space-16);border-radius:var(--k-radius-12);background:#fff;border:1px solid #eef0f4;flex-direction:column;display:flex;box-shadow:0 2px 10px #1e1e3c0d}.pap-detail-title-row{align-items:center;gap:8px;display:flex}.pap-detail-title{min-width:0;font-size:var(--k-fs-18);color:#111827;word-break:break-all;flex:1;font-weight:700;line-height:1.4}.pap-status-badge{font-size:var(--k-fs-12);padding:var(--k-space-4) var(--k-space-8);border-radius:var(--k-radius-pill);white-space:nowrap;flex-shrink:0;font-weight:700}.pap-detail-meta{flex-wrap:wrap;gap:6px;display:flex}.pap-meta-chip{font-size:var(--k-fs-12);color:#555;padding:var(--k-space-4) var(--k-space-8);border-radius:var(--k-radius-pill);background:#f5f5f8;border:1px solid #ececf1}.pap-meta-chip.good{color:#0f766e;background:#eafbf8;border-color:#0f766e2e}.pap-meta-chip.bad{color:#e0523f;background:#fff1ed;border-color:#e0523f2e}.pap-detail-foot{justify-content:space-between;align-items:center;gap:var(--k-space-8);border-top:1px dashed #f0f0f3;padding-top:9px;display:flex}.pap-detail-src{font-size:var(--k-fs-12);padding:var(--k-space-4) var(--k-space-12);border-radius:var(--k-radius-pill);white-space:nowrap;font-weight:600}.pap-detail-time{font-size:var(--k-fs-12);color:#999}.pap-status-banner{gap:var(--k-space-8);margin:0 var(--k-space-16) var(--k-space-12);padding:var(--k-space-16) var(--k-space-16) var(--k-space-12);border-radius:var(--k-radius-12);background:var(--k-primary-soft,#eef0ff);border:1px solid #4b3fe32e;flex-direction:column;display:flex}.pap-status-banner.queued{background:#fef3c7;border-color:#b453092e}.pap-status-banner.failed{background:#fff1ed;border-color:#e0523f2e}.pap-status-banner.warn{background:#fffbeb;border-color:#b4530938}.pap-status-icon{font-size:var(--k-fs-24);text-align:center}.pap-status-text{font-size:var(--k-fs-12);color:#555;text-align:center}.pap-detail-empty{align-items:center;gap:var(--k-space-8);padding:var(--k-space-24) 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vs-bar-flow{to{transform:translate(100%)}}.vs-real-progress-fill.static:after{opacity:0;animation:none}.vs-real-progress-fill.flash{animation:.8s ease-out vs-progress-flash}@keyframes vs-progress-flash{0%{box-shadow:0 0 #16a34a00}40%{box-shadow:0 0 8px 2px #16a34a8c}to{box-shadow:0 0 #16a34a00}}.vq2-tab .vq2-tab-num{position:relative}.vq2-tab.tab-loading .vq2-tab-num{color:#0000}.vq2-tab.tab-loading .vq2-tab-num:after{content:"";border:2px solid #ffffff73;border-top-color:#fff;border-radius:50%;width:13px;height:13px;margin:auto;animation:.9s linear infinite vs-spin;position:absolute;inset:0}@keyframes vs-spin{to{transform:rotate(360deg)}}.vq2-tab.tab-done-correct .vq2-tab-num,.vq2-tab.tab-done-wrong .vq2-tab-num{color:#fff;border-radius:50%;place-items:center;min-width:22px;height:22px;animation:.32s ease-out both vs-pop;display:inline-grid}.vq2-tab.tab-done-correct{background:var(--k-green);border-color:#0000}.vq2-tab.tab-done-wrong{background:var(--k-red);border-color:#0000}.vq2-tab.tab-done-correct.active,.vq2-tab.tab-done-wrong.active{border-color:var(--k-primary)}.vs-card-loading{border-radius:var(--k-radius-in);background:linear-gradient(100deg,#f3f6fb 30%,#e9eef6 50%,#f3f6fb 70%) 0 0/200% 100%;padding:14px;animation:1.8s ease-in-out infinite vs-shimmer}@keyframes vs-shimmer{0%{background-position:120% 0}to{background-position:-20% 0}}.vs-skel-line{background:#e6ebf3;border-radius:4px;height:12px;margin-bottom:9px}.vs-skel-line.w60{width:60%}.vs-skel-line.w80{width:80%}.vs-skel-line.w40{width:40%}.vs-card-judging{padding-left:13px;position:relative}.vs-card-judging:before{content:"";background:var(--k-primary);border-radius:999px;width:3px;animation:1.6s ease-in-out infinite vs-breathe-bar;position:absolute;top:10px;bottom:10px;left:0}@keyframes vs-breathe-bar{0%,to{opacity:.35;transform:scaleY(.85)}50%{opacity:1;transform:scaleY(1)}}.vs-card-reveal{animation:.4s ease-out both vs-card-reveal}@keyframes vs-card-reveal{0%{box-shadow:0 0 #2475ff00}40%{box-shadow:0 0 12px 2px #2475ff73}to{box-shadow:var(--k-shadow)}}.vs-writing-cursor{vertical-align:-2px;background:var(--k-primary);width:2px;height:14px;margin-left:2px;animation:.6s steps(2,start) infinite vs-caret-blink;display:inline-block}@keyframes vs-caret-blink{50%{opacity:0}}@media (prefers-reduced-motion:reduce){.vs-scene *,.vs-scene :before,.vs-scene :after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}.vs-scanline{animation-duration:6s!important;animation-iteration-count:infinite!important}.vs-ambient-sym{animation:none!important}.vs-step.active .vs-step-dot:before{animation:.9s linear infinite vs-spin!important}.vs-step.active .vs-step-dot:after{animation:1.6s ease-out infinite vs-step-pulse!important}}