@charset "UTF-8";[data-v-b2ef86b1] .pay-qrcode-dialog{background:transparent;border-radius:28px;box-shadow:0 34px 90px #0f172a3d;overflow:hidden}[data-v-b2ef86b1] .pay-qrcode-dialog .el-dialog__header{display:none}[data-v-b2ef86b1] .pay-qrcode-dialog .el-dialog__body{padding:0}[data-v-b2ef86b1] .pay-qrcode-dialog__overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f172a80}.pay-qrcode-dialog__shell[data-v-b2ef86b1]{background:radial-gradient(circle at top right,rgba(59,130,246,.18),transparent 28%),linear-gradient(180deg,#fffdf8,#f8fbff);overflow:hidden;position:relative}.pay-qrcode-dialog__shell[data-v-b2ef86b1]:after{background:#1d4ed80d;border-radius:999px;bottom:-46px;content:"";height:180px;pointer-events:none;position:absolute;right:-40px;width:180px}.pay-qrcode-dialog__header[data-v-b2ef86b1]{align-items:flex-start;background:linear-gradient(135deg,#102a43,#1d4ed8);color:#fff;display:flex;gap:16px;justify-content:space-between;padding:18px 20px;position:relative;z-index:1}.pay-qrcode-dialog__header-copy h3[data-v-b2ef86b1]{font-family:"Source Han Serif SC",Songti SC,serif;font-size:22px;font-weight:700;line-height:1.2;margin:0}.pay-qrcode-dialog__header-copy p[data-v-b2ef86b1]{color:#ffffffd6;font-size:13px;line-height:1.45;margin:6px 0 0}.pay-qrcode-dialog__close[data-v-b2ef86b1]{background:#ffffff14;border:1px solid hsla(0,0%,100%,.22);border-radius:999px;color:#ffffffeb;cursor:pointer;font-size:22px;height:32px;line-height:1;transition:background-color .22s ease,border-color .22s ease,transform .22s ease;width:32px}.pay-qrcode-dialog__close[data-v-b2ef86b1]:hover{background:#ffffff29;border-color:#ffffff57;transform:translateY(-1px)}.pay-qrcode-dialog__timer[data-v-b2ef86b1]{align-items:center;background:#ffffffe0;border:1px solid rgba(239,68,68,.14);border-radius:16px;box-shadow:inset 0 1px #fffc;display:flex;gap:12px;justify-content:space-between;margin:16px 20px 0;padding:12px 14px;position:relative;z-index:1}.pay-qrcode-dialog__timer span[data-v-b2ef86b1]{color:#64748b;font-size:13px;font-weight:600}.pay-qrcode-dialog__timer strong[data-v-b2ef86b1]{color:#dc2626;font-family:DIN Alternate,Arial Narrow,sans-serif;font-size:24px;font-weight:700;letter-spacing:.04em}.pay-qrcode-dialog__qrcode-wrap[data-v-b2ef86b1]{padding:18px 20px 14px;position:relative;z-index:1}.pay-qrcode-dialog__qrcode-frame[data-v-b2ef86b1]{background:linear-gradient(180deg,#f8fafcfa,#f1f5f9f0);border:1px solid rgba(29,78,216,.14);border-radius:24px;box-shadow:0 18px 40px #0f172a14;display:flex;justify-content:center;padding:14px}.pay-qrcode-dialog__qrcode-inner[data-v-b2ef86b1]{align-items:center;background:#fff;border-radius:22px;box-shadow:inset 0 0 0 1px #1d4ed814,0 12px 28px #0f172a0f;display:flex;height:236px;justify-content:center;padding:12px;width:236px}.pay-qrcode-dialog__qrcode[data-v-b2ef86b1]{height:100%;-o-object-fit:contain;object-fit:contain;width:100%}.pay-qrcode-dialog__status[data-v-b2ef86b1]{align-items:center;color:#0f766e;display:inline-flex;font-size:13px;font-weight:600;gap:8px;justify-content:center;margin-top:14px;width:100%}.pay-qrcode-dialog__status-dot[data-v-b2ef86b1]{background:#16a34a;border-radius:999px;box-shadow:0 0 0 6px #16a34a14;height:8px;width:8px}.pay-qrcode-dialog__steps[data-v-b2ef86b1]{display:grid;gap:10px;grid-template-columns:repeat(3,minmax(0,1fr));padding:0 20px;position:relative;z-index:1}.pay-qrcode-dialog__step[data-v-b2ef86b1]{align-items:center;background:#ffffffb8;border:1px solid rgba(215,224,234,.88);border-radius:18px;display:flex;flex-direction:column;gap:8px;padding:12px 8px;text-align:center}.pay-qrcode-dialog__step i[data-v-b2ef86b1]{align-items:center;background:#1d4ed81a;border-radius:999px;color:#1d4ed8;display:inline-flex;font-size:12px;font-style:normal;font-weight:700;height:24px;justify-content:center;width:24px}.pay-qrcode-dialog__step span[data-v-b2ef86b1]{color:#334155;font-size:12px;line-height:1.4}.pay-qrcode-dialog__tips[data-v-b2ef86b1]{color:#64748b;font-size:12px;line-height:1.6;margin:14px 20px 20px;position:relative;text-align:center;z-index:1}.course-page[data-v-5bb64247]{background:radial-gradient(circle at 15% 5%,rgba(37,99,235,.13),transparent 30%),linear-gradient(180deg,#f8fbff,#eef4fb 46%,#f8fafc);color:#0f172a;min-height:100%;padding:28px 24px 54px}.course-container[data-v-5bb64247],.course-hero[data-v-5bb64247]{margin:0 auto;max-width:1240px}.course-hero[data-v-5bb64247]{background:linear-gradient(135deg,#fffffff5,#eff6ffeb),url(../images/course.jpg) 50% / cover;border:1px solid rgba(191,219,254,.85);border-radius:30px;box-shadow:0 24px 70px #1e40af1f;display:grid;gap:28px;grid-template-columns:minmax(0,1fr) 360px;margin-bottom:28px;overflow:hidden;padding:38px;position:relative}.course-hero[data-v-5bb64247]:before{background:#2563eb1f;border-radius:999px;content:"";filter:blur(4px);height:360px;inset:auto -80px -150px auto;position:absolute;width:360px}.course-eyebrow[data-v-5bb64247],.course-toolbar p[data-v-5bb64247]{color:#2563eb;font-size:13px;font-weight:800;letter-spacing:.16em;margin:0 0 8px;text-transform:uppercase}.course-hero h1[data-v-5bb64247]{color:#0f172a;font-size:46px;font-weight:900;letter-spacing:-.04em;line-height:1.08;margin:0}.course-hero__desc[data-v-5bb64247]{color:#475569;font-size:17px;line-height:1.8;margin:18px 0 0;max-width:640px}.course-hero__stats[data-v-5bb64247]{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.course-hero__panel[data-v-5bb64247],.course-hero__stats div[data-v-5bb64247]{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffc7;border:1px solid rgba(191,219,254,.86);box-shadow:0 12px 30px #1e40af14}.course-hero__stats div[data-v-5bb64247]{border-radius:18px;min-width:128px;padding:14px 18px}.course-hero__stats span[data-v-5bb64247],.course-hero__stats strong[data-v-5bb64247]{display:block}.course-hero__stats strong[data-v-5bb64247]{color:#1d4ed8;font-size:22px;font-weight:900}.course-hero__stats span[data-v-5bb64247]{color:#64748b;font-size:13px;margin-top:4px}.course-hero__panel[data-v-5bb64247]{align-self:center;border-radius:24px;padding:26px;position:relative}.course-hero__panel span[data-v-5bb64247]{background:#eff6ff;border-radius:999px;color:#2563eb;display:inline-flex;font-size:12px;font-weight:800;margin-bottom:14px;padding:6px 12px}.course-hero__panel strong[data-v-5bb64247]{color:#0f172a;display:block;font-size:28px;font-weight:900;line-height:1.2}.course-hero__panel p[data-v-5bb64247]{color:#64748b;line-height:1.7;margin:14px 0 0}.course-container[data-v-5bb64247]{background:#ffffffd6;border:1px solid rgba(226,232,240,.9);border-radius:28px;box-shadow:0 18px 55px #0f172a14;padding:26px}.course-toolbar[data-v-5bb64247]{align-items:center;display:flex;gap:18px;justify-content:space-between;margin-bottom:22px}.course-toolbar h2[data-v-5bb64247]{font-size:28px;font-weight:900;letter-spacing:-.03em;margin:0}.sort-tabs[data-v-5bb64247]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:999px;display:inline-flex;gap:8px;padding:6px}.sort-tabs button[data-v-5bb64247]{background:transparent;border:0;border-radius:999px;color:#64748b;cursor:pointer;font-weight:800;min-width:92px;padding:10px 16px;transition:all .18s ease}.sort-tabs button.active[data-v-5bb64247],.sort-tabs button[data-v-5bb64247]:hover{background:#2563eb;box-shadow:0 10px 24px #2563eb33;color:#fff}.course-grid[data-v-5bb64247]{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr))}.course-card[data-v-5bb64247]{background:#fff;border:1px solid #e5eaf2;border-radius:24px;box-shadow:0 12px 28px #0f172a0f;color:inherit;overflow:hidden;text-decoration:none;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}.course-card[data-v-5bb64247]:hover{border-color:#2563eb5c;box-shadow:0 22px 42px #1e40af24;transform:translateY(-6px)}.course-card__cover[data-v-5bb64247]{aspect-ratio:16 / 9;background:#eaf2ff;overflow:hidden;position:relative}.course-card__cover img[data-v-5bb64247]{height:100%;-o-object-fit:cover;object-fit:cover;-o-object-position:center;object-position:center;transition:transform .35s ease;width:100%}.course-card:hover .course-card__cover img[data-v-5bb64247]{transform:scale(1.04)}.course-card__tag[data-v-5bb64247]{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172ab8;border-radius:999px;color:#fff;font-size:12px;font-weight:800;left:14px;max-width:calc(100% - 28px);overflow:hidden;padding:6px 11px;position:absolute;text-overflow:ellipsis;top:14px;white-space:nowrap}.course-card__body[data-v-5bb64247]{padding:20px}.course-card h3[data-v-5bb64247]{display:-webkit-box;margin:0;min-height:52px;overflow:hidden;-webkit-box-orient:vertical;color:#0f172a;font-size:19px;font-weight:900;-webkit-line-clamp:2;line-height:1.35}.course-card p[data-v-5bb64247]{display:-webkit-box;margin:12px 0 16px;min-height:70px;overflow:hidden;-webkit-box-orient:vertical;color:#64748b;font-size:14px;-webkit-line-clamp:3;line-height:1.65}.course-card__meta[data-v-5bb64247]{align-items:center;border-top:1px solid #f1f5f9;color:#64748b;display:flex;font-size:13px;gap:10px;justify-content:space-between;padding-top:14px}.course-card__meta span[data-v-5bb64247]{align-items:center;display:inline-flex;gap:5px}.course-card__footer[data-v-5bb64247]{align-items:center;display:flex;justify-content:space-between;margin-top:18px}.course-card__footer strong[data-v-5bb64247]{color:#dc2626;font-size:24px;font-weight:950}.course-card__footer span[data-v-5bb64247]{align-items:center;background:linear-gradient(135deg,#2563eb,#1d4ed8);border-radius:999px;box-shadow:0 12px 24px #2563eb2e;color:#fff;display:inline-flex;font-weight:900;min-height:38px;padding:0 17px}.course-empty[data-v-5bb64247]{padding:64px 0}@media(max-width:1100px){.course-hero[data-v-5bb64247]{grid-template-columns:1fr}.course-grid[data-v-5bb64247]{grid-template-columns:repeat(2,minmax(0,1fr))}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(./KaTeX_AMS-Regular.BQhdFMY1.woff2) format("woff2"),url(./KaTeX_AMS-Regular.DMm9YOAa.woff) format("woff"),url(./KaTeX_AMS-Regular.DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(./KaTeX_Caligraphic-Bold.Dq_IR9rO.woff2) format("woff2"),url(./KaTeX_Caligraphic-Bold.BEiXGLvX.woff) format("woff"),url(./KaTeX_Caligraphic-Bold.ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(./KaTeX_Caligraphic-Regular.Di6jR-x-.woff2) format("woff2"),url(./KaTeX_Caligraphic-Regular.CTRA-rTL.woff) format("woff"),url(./KaTeX_Caligraphic-Regular.wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(./KaTeX_Fraktur-Bold.CL6g_b3V.woff2) format("woff2"),url(./KaTeX_Fraktur-Bold.BsDP51OF.woff) format("woff"),url(./KaTeX_Fraktur-Bold.BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(./KaTeX_Fraktur-Regular.CTYiF6lA.woff2) format("woff2"),url(./KaTeX_Fraktur-Regular.Dxdc4cR9.woff) format("woff"),url(./KaTeX_Fraktur-Regular.CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(./KaTeX_Main-Bold.Cx986IdX.woff2) format("woff2"),url(./KaTeX_Main-Bold.Jm3AIy58.woff) format("woff"),url(./KaTeX_Main-Bold.waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(./KaTeX_Main-BoldItalic.DxDJ3AOS.woff2) format("woff2"),url(./KaTeX_Main-BoldItalic.SpSLRI95.woff) format("woff"),url(./KaTeX_Main-BoldItalic.DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(./KaTeX_Main-Italic.NWA7e6Wa.woff2) format("woff2"),url(./KaTeX_Main-Italic.BMLOBm91.woff) format("woff"),url(./KaTeX_Main-Italic.3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(./KaTeX_Main-Regular.B22Nviop.woff2) format("woff2"),url(./KaTeX_Main-Regular.Dr94JaBh.woff) format("woff"),url(./KaTeX_Main-Regular.ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(./KaTeX_Math-BoldItalic.CZnvNsCZ.woff2) format("woff2"),url(./KaTeX_Math-BoldItalic.iY-2wyZ7.woff) format("woff"),url(./KaTeX_Math-BoldItalic.B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(./KaTeX_Math-Italic.t53AETM-.woff2) format("woff2"),url(./KaTeX_Math-Italic.DA0__PXp.woff) format("woff"),url(./KaTeX_Math-Italic.flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(./KaTeX_SansSerif-Bold.D1sUS0GD.woff2) format("woff2"),url(./KaTeX_SansSerif-Bold.DbIhKOiC.woff) format("woff"),url(./KaTeX_SansSerif-Bold.CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(./KaTeX_SansSerif-Italic.C3H0VqGB.woff2) format("woff2"),url(./KaTeX_SansSerif-Italic.DN2j7dab.woff) format("woff"),url(./KaTeX_SansSerif-Italic.YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(./KaTeX_SansSerif-Regular.DDBCnlJ7.woff2) format("woff2"),url(./KaTeX_SansSerif-Regular.CS6fqUqJ.woff) format("woff"),url(./KaTeX_SansSerif-Regular.BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(./KaTeX_Script-Regular.D3wIWfF6.woff2) format("woff2"),url(./KaTeX_Script-Regular.D5yQViql.woff) format("woff"),url(./KaTeX_Script-Regular.C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(./KaTeX_Size1-Regular.mCD8mA8B.woff2) format("woff2"),url(./KaTeX_Size1-Regular.C195tn64.woff) format("woff"),url(./KaTeX_Size1-Regular.Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(./KaTeX_Size2-Regular.Dy4dx90m.woff2) format("woff2"),url(./KaTeX_Size2-Regular.oD1tc_U0.woff) format("woff"),url(./KaTeX_Size2-Regular.B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,d09GMgABAAAAAA4oAA4AAAAAHbQAAA3TAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAABmAAgRQIDgmcDBEICo1oijYBNgIkA14LMgAEIAWJAAeBHAyBHBvbGiMRdnO0IkRRkiYDgr9KsJ1NUAf2kILNxgUmgqIgq1P89vcbIcmsQbRps3vCcXdYOKSWEPEKgZgQkprQQsxIXUgq0DqpGKmIvrgkeVGtEQD9DzAO29fM9jYhxZEsL2FeURH2JN4MIcTdO049NCVdxQ/w9NrSYFEBKTDKpLKfNkCGDc1RwjZLQcm3vqJ2UW9Xfa3tgAHz6ivp6vgC2yD4/6352ndnN0X0TL7seypkjZlMsjmZnf0Mm5Q+JykRWQBKCVCVPbARPXWyQtb5VgLB6Biq7/Uixcj2WGqdI8tGSgkuRG+t910GKP2D7AQH0DB9FMDW/obJZ8giFI3Wg8Cvevz0M+5m0rTh7XDBlvo9Y4vm13EXmfttwI4mBo1EG15fxJhUiCLbiiyCf/ZA6MFAhg3pGIZGdGIVjtPn6UcMk9A/UUr9PhoNsCENw1APAq0gpH73e+M+0ueyHbabc3vkbcdtzcf/fiy+NxQEjf9ud/ELBHAXJ0nk4z+MXH2Ev/kWyV4k7SkvpPc9Qr38F6RPWnM9cN6DJ0AdD1BhtgABtmoRoFCvPsBAumNm6soZG2Gk5GyVTo2sJncSyp0jQTYoR6WDvTwaaEcHsxHfvuWhHA3a6bN7twRKtcGok6NsCi7jYRrM2jExsUFMxMQYuJbMhuWNOumEJy9hi29Dmg5zMp/A5+hhPG19j1vBrq8JTLr8ki5VLPmG/PynJHVul440bxg5xuymHUFPBshC+nA9I1FmwbRBTNHAcik3Oae0cxKoI3MOriM42UrPe51nsaGxJ+WfXubAsP84aabUlQSJ1IiE0iPETLUU4CATgfXSCSpuRFRmCGbO+wSpAnzaeaCYW1VNEysRtuXCEL1kUFUbbtMv3Tilt/1c11jt3Q5bbMa84cpWipp8Elw3MZhOHsOlwwVUQM3lAR35JiFQbaYCRnMF2lxAWoOg2gyoIV4PouX8HytNIfLhqpJtXB4vjiViUI8IJ7bkC4ikkQvKksnOTKICwnqWSZ9YS5f0WCxmpgjbIq7EJcM4aI2nmhLNY2JIUgOjXZFWBHb+x5oh6cwb0Tv1ackHdKi0I9OO2wE9aogIOn540CCCziyhN+IaejtgAONKznHlHyutPrHGwCx9S6B8kfS4Mfi4Eyv7OU730bT1SCBjt834cXsf43zVjPUqqJjgrjeGnBxSG4aYAKFuVbeCfkDIjAqMb6yLNIbCuvXhMH2/+k2vkNpkORhR59N1CkzoOENvneIosjYmuTxlhUzaGEJQ/iWqx4dmwpmKjrwTiTGTCVozNAYqk/zXOndWxuWSmJkQpJw3pK5KX6QrLt5LATMqpmPAQhkhK6PUjzHUn7E0gHE0kPE0iKkolgkUx9SZmVAdDgpffdyJKg3k7VmzYGCwVXGz/tXmkOIp+vcWs+EMuhhvN0h9uhfzWJziBQmCREGSIFmQIkgVpAnSBRmC//6hkLZwaVhwxlrJSOdqlFtOYxlau9F2QN5Y98xmIAsiM1HVp2VFX+DHHGg6Ecjh3vmqtidX3qHI2qycTk/iwxSt5UzTmEP92ZBnEWTk4Mx8Mpl78ZDokxg/KWb+Q0QkvdKVmq3TMW+RXEgrsziSAfNXFMhDc60N5N9jQzjfO0kBKpUZl0ZmwJ41j/B9Hz6wmRaJB84niNmQrzp9eSlQCDDzazGDdVi3P36VZQ+Jy4f9UBNp+3zTjqI4abaFAm+GShVaXlsGdF3FYzZcDI6cori4kMxUECl9IjJZpzkvitAoxKue+90pDMvcKRxLl53TmOKCmV/xRolNKSqqUxc6LStOETmFOiLZZptlZepcKiAzteG8PEdpnQpbOMNcMsR4RR2Bs0cKFEvSmIjAFcnarqwUL4lDhHmnVkwu1IwshbiCcgvOheZuYyOteufZZwlcTlLgnZ3o/WcYdzZHW/WGaqaVfmTZ1aWCceJjkbZqsfbkOtcFlUZM/jy+hXHDbaUobWqqXaeWobbLO99yG5N3U4wxco0rQGGcOLASFMXeJoham8M+/x6O2WywK2l4HGbq1CoUyC/IZikQhdq3SiuNrvAEj0AVu9x2x3lp/xWzahaxidezFVtdcb5uEnzyl0ZmYiuKI0exvCd4Xc9CV1KB0db00z92wDPde0kukbvZIWN6jUWFTmPIC/Y4UPCm8UfDTFZpZNon1qLFTkBhxzB+FjQRA2Q/YRJT8pQigslMaUpFyAG8TMlXigiqmAZX4xgijKjRlGpLE0GdplRfCaJo0JQaSxNBk6ZmMzcya0FmrcisDdn0Q3HI2sWSppYigmlM1XT/kLQZSNpMJG0WkjYbSZuDpM1F0uYhFc1HxU4m1QJjDK6iL0S5uSj5rgXc3RejEigtcRBtqYPQsiTskmO5vosV+q4VGIKbOkDg0jtRrq+Em1YloaTFar3EGr1EUC8R0kus1Uus00usL97ABr2BjXoDm/QGNhuWtMVBKOwg/i78lT7hBsAvDmwHc/ao3vmUbBmhjeYySZNWvGkfZAgISDSaDo1SVpzGDsAEkF8B+gEapViUoZgUWXcRIGFZNm6gWbAKk0bp0k1MHG9fLYtV4iS2SmLEQFARzRcnf9PUS0LVn05/J9MiRRBU3v2IrvW974v4N00L7ZMk0wXP1409CHo/an8zTRHD3eSJ6m8D4YMkZNl3M79sqeuAsr/m3f+8/yl7A50aiAEJgeBeMWzu7ui9UfUBCe2TIqZIoOd/3/udRBOQidQZUERzb2/VwZN1H/Sju82ew2H2Wfr6qvfVf3hqwDvAIpkQVFy4B9Pe9e4/XvPeceu7h3dvO56iJPf0+A6cqA2ip18ER+iFgggiuOkvj24bby0N9j2UHIkgqIt+sVgfodC4YghLSMjSZbH0VR/6dMDrYJeKHilKTemt6v6kvzvn3/RrdWtr0GoN/xL+Sex/cPYLUpepx9cz/D46UPU5KXgAQa+NDps1v6J3xP1i2HtaDB0M9aX2deA7SYff//+gUCovMmIK/qfsFcOk+4Y5ZN97XlG6zebqtMbKgeRFi51vnxTQYBUik2rS/Cn6PC8ADR8FGxsRPB82dzfND90gIcshOcYUkfjherBz53odpm6TP8txlwOZ71xmfHHOvq053qFF/MRlS3jP0ELudrf2OeN8DHvp6ZceLe8qKYvWz/7yp0u4dKPfli3CYq0O13Ih71mylJ80tOi10On8wi+F4+LWgDPeJ30msSQt9/vkmHq9/Lvo2b461mP801v3W4xTcs6CbvF9UDdrSt+A8OUbpSh55qAUFXWznBBfdeJ8a4d7ugT5tvxUza3h9m4H7ptTqiG4z0g5dc0X29OcGlhpGFMpQo9ytTS+NViZpNdvU4kWx+LKxNY10kQ1yqGXrhe4/1nvP7E+nd5A92TtaRplbHSqoIdOqtRWti+fkB5/n1+/VvCmz12pG1kpQWsfi1ftlBobm0bpngs16CHkbIwdLnParxtTV3QYRlfJ0KFskH7pdN/YDn+yRuSd7sNH3aO0DYPggk6uWuXrfOc+fa3VTxFVvKaNxHsiHmsXyCLIE5yuOeN3/Jdf8HBL/5M6shjyhxHx9BjB1O0+4NLOnjLLSxwO7ukN4jMbOIcD879KLSi6Pk61Oqm2377n8079PXEEQ7cy7OKEC9nbpet118fxweTafpt69x/Bt8UqGzNQt7aelpc44dn5cqhwf71+qKp/Zf/+a0zcizOUWpl/iBcSXip0pplkatCchoH5c5aUM8I7/dWxAej8WicPL1URFZ9BDJelUwEwTkGqUhgSlydVes95YdXvhh9Gfz/aeFWvgVb4tuLbcv4+wLdutVZv/cUonwBD/6eDlE0aSiKK/uoH3+J1wDE/jMVqY2ysGufN84oIXB0sPzy8ollX/LegY74DgJXJR57sn+VGza0x3DnuIgABFM15LmajjjsNlYj+JEZGbuRYcAMOWxFkPN2w6Wd46xo4gVWQR/X4lyI/R6K/YK0110GzudPRW7Y+UOBGTfNNzHeYT0fiH0taunBpq9HEW8OKSaBGj21L0MqenEmNRWBAWDWAk4CpNoEZJ2tTaPFgbQYj8HxtFilErs3BTRwT8uO1NXQaWfIotchmPkAF5mMBAliEmZiOGVgCG9LgRzpscMAOOwowlT3JhusdazXGSC/hxR3UlmWVwWHpOIKheqONvjyhSiTHIkVUco5bnji8m//zL7PKaT1Vl5I6UE609f+gkr6MZKVyKc7zJRmCahLsdlyA5fdQkRSan9LgnnLEyGSkaKJCJog0wAgvepWBt80+1yKln1bMVtCljfNWDueKLsWwaEbBSfSPTEmVRsUcYYMnEjcjeyCZzBXK9E9BYBXLKjOSpUDR+nEV3TFSUdQaz+ot98QxgXwx0GQ+EEUAKB2qZPkQQ0GqFD8UPFMqyaCHM24BZmSGic9EYMagKizOw9Hz50DMrDLrqqLkTAhplMictiCAx5S3BIUQdeJeLnBy2CNtMfz6cV4u8XKoFZQesbf9YZiIERiHjaNodDW6LgcirX/mPnJIkBGDUpTBhSa0EIr38D5hCIszhCM8URGBqImoWjpvpt1ebu/v3Gl3qJfMnNM+9V+kiRFyROTPHQWOcs1dNW94/ukKMPZBvDi55i5CttdeJz84DLngLqjcdwEZ87bFFR8CIG35OAkDVN6VRDZ7aq67NteYqZ2lpT8oYB2CytoBd6VuAx4WgiAsnuj3WohG+LugzXiQRDeM3XYXlULv4dp5VFYC) format("woff2"),url(./KaTeX_Size3-Regular.CTq5MqoE.woff) format("woff"),url(./KaTeX_Size3-Regular.DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(./KaTeX_Size4-Regular.Dl5lxZxV.woff2) format("woff2"),url(./KaTeX_Size4-Regular.BF-4gkZK.woff) format("woff"),url(./KaTeX_Size4-Regular.DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(./KaTeX_Typewriter-Regular.CO6r4hn1.woff2) format("woff2"),url(./KaTeX_Typewriter-Regular.C0xS9mPB.woff) format("woff"),url(./KaTeX_Typewriter-Regular.D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.18.1"}.katex .katex-mathml{border:0;clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-moz-min-content;width:min-content}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{display:block;fill:currentColor;height:inherit;position:absolute;stroke:currentColor;width:100%}.katex svg path{stroke:none}.katex svg{fill-opacity:1;fill-rule:nonzero;stroke-dasharray:none;stroke-dashoffset:0;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-width:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.answer-page[data-v-89cc590c]{background:radial-gradient(circle at top,rgba(59,130,246,.14),transparent 32%),linear-gradient(180deg,#f8fbff,#f3f6fb 38%,#eef2f7);min-height:100vh}.answer-shell[data-v-89cc590c]{width:100%}.answer-main[data-v-89cc590c]{min-height:100dvh}.answer-main--mobile[data-v-89cc590c]{display:flex;flex-direction:column}.mobile-answer-status[data-v-89cc590c]{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#f8fbfff5;border-bottom:1px solid rgba(226,232,240,.86);min-height:62px;padding:7px 12px 6px;position:sticky;top:0;z-index:45}.mobile-answer-status__row[data-v-89cc590c]{align-items:center;display:flex;gap:10px;justify-content:space-between;min-height:30px}.mobile-answer-status__summary[data-v-89cc590c]{align-items:center;color:#64748b;display:inline-flex;flex:1;font-size:12px;font-weight:650;gap:8px;min-width:0;overflow-x:auto;scrollbar-width:none;white-space:nowrap;-webkit-overflow-scrolling:touch}.mobile-answer-status__summary[data-v-89cc590c]::-webkit-scrollbar{display:none}.mobile-answer-status__summary strong[data-v-89cc590c]{color:#0f172a;font-size:14px;font-weight:800}.mobile-answer-status__summary span[data-v-89cc590c]:before{color:#cbd5e1;content:"·";margin-right:8px}.mobile-answer-status__close[data-v-89cc590c]{align-items:center;background:#fff;border:0;border-radius:999px;box-shadow:inset 0 0 0 1px #94a3b82e,0 6px 14px #0f172a0d;color:#475569;display:inline-flex;flex-shrink:0;height:32px;justify-content:center;width:32px}.mobile-answer-status__progress[data-v-89cc590c]{background:#e2e8f0eb;border-radius:999px;height:5px;margin-top:5px;overflow:hidden}.mobile-answer-status__progress-fill[data-v-89cc590c]{background:linear-gradient(90deg,#2563eb,#38bdf8);border-radius:inherit;height:100%;transition:width .24s ease}.mobile-answer-status__meta[data-v-89cc590c]{color:#64748b;font-size:11px;font-weight:600;line-height:1;margin-top:4px}.mobile-topbar[data-v-89cc590c]{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#f8fbffe0;padding:8px 10px 6px;position:sticky;top:0;z-index:40}.mobile-topbar__card[data-v-89cc590c]{background:#ffffffeb;border:1px solid rgba(226,232,240,.92);border-radius:18px;box-shadow:0 10px 24px #0f172a0f;padding:10px 10px 9px}.mobile-topbar__card--light[data-v-89cc590c]{padding:8px 10px 7px}.topbar-left[data-v-89cc590c]{align-items:stretch;display:inline-flex;flex:1;flex-wrap:wrap;gap:8px;min-width:0}.topbar-left--compact[data-v-89cc590c]{gap:7px}.topbar-summary[data-v-89cc590c]{align-items:center;color:#64748b;display:inline-flex;flex:1;font-size:12px;font-weight:600;gap:6px;min-width:0;overflow-x:auto;scrollbar-width:none;white-space:nowrap;-webkit-overflow-scrolling:touch}.topbar-summary[data-v-89cc590c]::-webkit-scrollbar{display:none}.topbar-summary--compact[data-v-89cc590c]{gap:5px}.topbar-current[data-v-89cc590c]{color:#0f172a;font-weight:700}.topbar-divider[data-v-89cc590c]{color:#cbd5e1;flex-shrink:0}.topbar-primary--compact[data-v-89cc590c]{align-items:center;gap:10px}.topbar-primary--flat[data-v-89cc590c]{min-height:30px}.metric-pill--compact[data-v-89cc590c]{font-size:11px;padding:6px 10px}.metric-pill--compact span[data-v-89cc590c]{font-size:13px}.metric-pill small[data-v-89cc590c],.metric-pill--progress[data-v-89cc590c],.metric-pill--progress em[data-v-89cc590c],.metric-pill--progress span[data-v-89cc590c],.metric-pill--stat[data-v-89cc590c]{display:none}.topbar-close[data-v-89cc590c]{align-items:center;background:#ffffffeb;border:0;border-radius:999px;box-shadow:inset 0 0 0 1px #94a3b82e;color:#475569;cursor:pointer;display:inline-flex;flex-shrink:0;height:32px;justify-content:center;width:32px}.topbar-progress--compact[data-v-89cc590c]{display:block;margin-top:9px}.topbar-inline-meta[data-v-89cc590c]{align-items:center;color:#64748b;display:flex;font-size:11px;gap:10px;justify-content:space-between;margin-top:6px;white-space:nowrap;width:100%}.topbar-inline-meta--flat[data-v-89cc590c]{justify-content:flex-start;margin-top:5px}.progress-track--compact[data-v-89cc590c]{height:6px;width:100%}.feedback-link[data-v-89cc590c]{align-items:center;background:#fef2f2eb;border:0;border-radius:999px;color:#dc2626;cursor:pointer;display:inline-flex;flex-shrink:0;font-size:11px;font-weight:700;justify-content:center;min-height:28px;padding:0 10px;white-space:nowrap}.question-panel__header--compact[data-v-89cc590c]{gap:6px}.question-panel__meta--compact[data-v-89cc590c]{align-items:flex-start;width:100%}.question-seq--compact[data-v-89cc590c]{gap:7px;width:100%}.question-seq__row[data-v-89cc590c]{align-items:center;display:flex;gap:10px;justify-content:space-between;width:100%}.question-body--compact[data-v-89cc590c]{margin-top:10px}.bottom-actions[data-v-89cc590c],.progress-meta[data-v-89cc590c],.question-panel__header[data-v-89cc590c],.question-panel__meta[data-v-89cc590c],.question-tags[data-v-89cc590c],.result-panel__header[data-v-89cc590c],.self-eval-dialog__actions[data-v-89cc590c],.sheet-drawer__header[data-v-89cc590c],.sheet-legend[data-v-89cc590c],.stats-card__item[data-v-89cc590c],.topbar-metrics[data-v-89cc590c],.topbar-primary[data-v-89cc590c]{align-items:center;display:flex}.progress-meta[data-v-89cc590c],.question-panel__header[data-v-89cc590c],.result-panel__header[data-v-89cc590c],.sheet-drawer__header[data-v-89cc590c],.topbar-primary[data-v-89cc590c]{justify-content:space-between}.question-tags[data-v-89cc590c],.self-eval-dialog__actions[data-v-89cc590c],.sheet-legend[data-v-89cc590c],.topbar-metrics[data-v-89cc590c]{gap:8px}.mode-badge[data-v-89cc590c]{align-items:center;background:#0f172ad6;border-radius:999px;color:#fff;display:inline-flex;font-size:13px;font-weight:700;gap:8px;letter-spacing:.04em;padding:8px 12px}.mode-badge__dot[data-v-89cc590c]{background:#4ade80;border-radius:50%;box-shadow:0 0 0 4px #4ade802e;height:7px;width:7px}.bottom-secondary[data-v-89cc590c],.icon-btn[data-v-89cc590c],.sheet-trigger[data-v-89cc590c]{border:0;cursor:pointer}.sheet-trigger[data-v-89cc590c]{align-items:center;background:#fff;border-radius:14px;box-shadow:0 8px 20px #3b82f61f;color:#2563eb;display:inline-flex;font-size:13px;font-weight:600;gap:6px;padding:9px 12px}.topbar-metrics[data-v-89cc590c]{flex-wrap:wrap;margin-top:12px}.metric-pill[data-v-89cc590c]{align-items:baseline;background:#ffffffe0;border-radius:999px;box-shadow:inset 0 0 0 1px #94a3b824;color:#475569;display:inline-flex;font-size:12px;font-weight:600;gap:4px;padding:8px 12px}.metric-pill--strong[data-v-89cc590c]{color:#0f172a}.metric-pill--strong span[data-v-89cc590c]{font-size:15px;font-weight:800}.metric-pill em[data-v-89cc590c]{color:#64748b;font-style:normal}.topbar-progress[data-v-89cc590c]{margin-top:12px}.progress-track[data-v-89cc590c]{background:#94a3b82e;border-radius:999px;height:7px;overflow:hidden;width:100%}.progress-fill[data-v-89cc590c]{background:linear-gradient(90deg,#2563eb,#38bdf8);border-radius:999px;box-shadow:0 4px 12px #2563eb47;height:100%;transition:width .3s ease}.progress-meta[data-v-89cc590c]{color:#64748b;font-size:12px;margin-top:8px}.content-scroll[data-v-89cc590c]{width:100%}.content-scroll--mobile[data-v-89cc590c]{flex:1;overflow-y:auto;padding:8px 10px 86px;scroll-behavior:smooth}.answer-page--mobile[data-v-89cc590c]{background:radial-gradient(circle at 12% 0,rgba(37,99,235,.12),transparent 28%),radial-gradient(circle at 88% 8%,rgba(245,158,11,.13),transparent 24%),linear-gradient(180deg,#f8fbff,#f5f8fc 42%,#eef3f8)}.desktop-sheet[data-v-89cc590c],.question-panel[data-v-89cc590c],.result-panel[data-v-89cc590c]{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffe0;border:1px solid rgba(226,232,240,.9);box-shadow:0 18px 46px #0f172a12}.question-panel[data-v-89cc590c]{border-radius:18px;padding:12px}.question-panel--mobile[data-v-89cc590c]{background:linear-gradient(180deg,#fffffff5,#f9fbffeb);border-radius:20px;box-shadow:0 14px 32px #0f172a12,inset 0 1px #fffc;min-height:calc(100dvh - 156px)}.question-panel--answered[data-v-89cc590c]{min-height:auto}.question-panel__meta[data-v-89cc590c]{align-items:flex-start;flex:1;gap:12px;min-width:0}.question-panel__header[data-v-89cc590c]{gap:12px}.question-seq[data-v-89cc590c]{display:flex;flex-direction:column;gap:4px}.question-seq__label[data-v-89cc590c]{color:#94a3b8;font-size:11px;font-weight:700;letter-spacing:.18em}.question-seq strong[data-v-89cc590c]{color:#0f172a;font-size:20px;line-height:1.1}.question-tags[data-v-89cc590c]{flex-wrap:wrap}.tag[data-v-89cc590c]{align-items:center;border-radius:999px;display:inline-flex;font-size:11px;font-weight:700;justify-content:center;padding:5px 9px}.tag--ghost[data-v-89cc590c]{background:#f8fafc;border:1px solid #e2e8f0;color:#475569}.tag--type-blue[data-v-89cc590c]{background:#2563eb1f;color:#2563eb}.tag--type-green[data-v-89cc590c]{background:#16a34a1f;color:#16a34a}.tag--type-amber[data-v-89cc590c]{background:#f59e0b24;color:#d97706}.tag--type-purple[data-v-89cc590c]{background:#8b5cf61f;color:#7c3aed}.tag--wrong[data-v-89cc590c]{background:#ef44441f;color:#dc2626}.tag--recall[data-v-89cc590c]{background:linear-gradient(135deg,#fff7edf5,#fef3c7fa 48%,#ffedd5f5);border:1px solid rgba(245,158,11,.28);box-shadow:0 6px 16px #f59e0b1f;color:#b45309;gap:4px;overflow:hidden;position:relative}.tag--recall[data-v-89cc590c]:after{animation:recallTagSweep-89cc590c 2.8s ease-in-out infinite;background:linear-gradient(110deg,transparent,hsla(0,0%,100%,.55) 46%,transparent 68%);content:"";inset:0;position:absolute;transform:translate(-120%)}.tag--recall em[data-v-89cc590c],.tag__spark[data-v-89cc590c]{position:relative;z-index:1}.tag--recall em[data-v-89cc590c]{font-style:normal;margin-left:1px;opacity:.82}.tag__spark[data-v-89cc590c]{color:#f59e0b;font-size:10px}@keyframes recallTagSweep-89cc590c{0%,62%{transform:translate(-120%)}to{transform:translate(120%)}}.feedback-btn[data-v-89cc590c]{flex-shrink:0}.question-stats-card[data-v-89cc590c]{background:linear-gradient(135deg,#f8fbff,#f1f5f9);border:1px solid rgba(226,232,240,.95);border-radius:18px;display:grid;gap:12px;grid-template-columns:repeat(3,1fr);margin-top:16px;padding:12px}.stats-card__item[data-v-89cc590c]{align-items:flex-start;flex-direction:column;gap:6px}.stats-card__item span[data-v-89cc590c]{color:#64748b;font-size:12px}.stats-card__item strong[data-v-89cc590c]{color:#0f172a;font-size:18px}.question-body[data-v-89cc590c]{margin-top:12px}.question-title[data-v-89cc590c]{color:#0f172a;font-size:14px;font-weight:600;line-height:1.64;text-wrap:pretty}.judge-list[data-v-89cc590c],.option-list[data-v-89cc590c]{display:grid;gap:9px;margin-top:12px}.action-btn[data-v-89cc590c],.bottom-nav[data-v-89cc590c],.judge-card[data-v-89cc590c],.option-card[data-v-89cc590c],.submit-btn[data-v-89cc590c]{transition:all .24s ease}.option-card[data-v-89cc590c]{align-items:center;background:linear-gradient(180deg,#fffffffa,#f8fbfff5);border:1px solid rgba(203,213,225,.78);border-radius:15px;box-shadow:0 8px 18px #0f172a09,inset 0 1px #fffc;cursor:pointer;display:grid;gap:9px;grid-template-columns:32px minmax(0,1fr) 18px;min-height:44px;padding:10px;position:relative;text-align:left;width:100%;-webkit-tap-highlight-color:transparent}.option-card[data-v-89cc590c]:before{background:linear-gradient(135deg,rgba(37,99,235,.08),transparent 42%);border-radius:inherit;content:"";inset:0;opacity:0;pointer-events:none;position:absolute;transition:opacity .22s ease}.option-card--answered[data-v-89cc590c]{align-items:center}.option-card__marker[data-v-89cc590c]{align-items:center;background:#eff6ff;border-radius:12px;box-shadow:inset 0 0 0 1px #2563eb0f;color:#2563eb;display:inline-flex;font-size:13px;font-weight:900;height:32px;justify-content:center;position:relative;width:32px;z-index:1}.option-card__content[data-v-89cc590c]{color:#253044;font-size:13px;line-height:1.58;position:relative;word-break:break-word;z-index:1}.option-card__indicator[data-v-89cc590c]{align-items:center;align-self:center;color:#94a3b8;display:inline-flex;font-size:15px;justify-content:center}.option-card--idle[data-v-89cc590c]:active:before,.option-card--idle[data-v-89cc590c]:hover:before{opacity:1}.action-btn[data-v-89cc590c]:hover,.bottom-nav[data-v-89cc590c]:hover:not(:disabled),.bottom-secondary[data-v-89cc590c]:hover,.judge-card--correct[data-v-89cc590c],.judge-card--selected[data-v-89cc590c],.judge-card--wrong[data-v-89cc590c],.option-card--correct[data-v-89cc590c],.option-card--idle[data-v-89cc590c]:active,.option-card--selected[data-v-89cc590c],.option-card--selected-soft[data-v-89cc590c],.option-card--wrong[data-v-89cc590c],.sheet-index[data-v-89cc590c]:hover,.sheet-trigger[data-v-89cc590c]:hover,.submit-btn[data-v-89cc590c]:hover{transform:translateY(-1px)}.option-card--idle[data-v-89cc590c]:active{transform:scale(.992)}.option-card--selected[data-v-89cc590c]{background:linear-gradient(180deg,#eff6ff,#dbeafe);border-color:#2563eb80;box-shadow:0 14px 26px #2563eb29}.judge-card--selected .judge-card__icon[data-v-89cc590c],.option-card--selected .option-card__marker[data-v-89cc590c]{background:#2563eb;color:#fff}.option-card--selected-soft[data-v-89cc590c]{background:linear-gradient(180deg,#f0f9ff,#e0f2fe);border-color:#0ea5e952}.judge-card--correct[data-v-89cc590c],.option-card--correct[data-v-89cc590c]{background:linear-gradient(180deg,#f0fdf4,#dcfce7);border-color:#22c55e73}.judge-card--correct .judge-card__icon[data-v-89cc590c],.option-card--correct .option-card__marker[data-v-89cc590c]{background:#22c55e;color:#fff}.judge-card--correct[data-v-89cc590c],.option-card--correct .option-card__indicator[data-v-89cc590c]{color:#15803d}.judge-card--wrong[data-v-89cc590c],.option-card--wrong[data-v-89cc590c]{background:linear-gradient(180deg,#fff5f5,#fee2e2);border-color:#ef44446b}.judge-card--wrong .judge-card__icon[data-v-89cc590c],.option-card--wrong .option-card__marker[data-v-89cc590c]{background:#ef4444;color:#fff}.option-card--wrong .option-card__indicator[data-v-89cc590c]{color:#dc2626}.judge-card--muted[data-v-89cc590c],.option-card--muted[data-v-89cc590c]{filter:grayscale(.08);opacity:.58}.judge-card[data-v-89cc590c]{align-items:center;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #dbe4f0;border-radius:18px;cursor:pointer;display:flex;gap:12px;padding:14px;text-align:left;width:100%}.judge-card__icon[data-v-89cc590c]{align-items:center;background:#e2e8f0;border-radius:14px;color:#475569;display:inline-flex;font-size:18px;height:38px;justify-content:center;width:38px}.judge-card__icon--positive[data-v-89cc590c]{background:#dbeafe;color:#2563eb}.judge-card__icon--negative[data-v-89cc590c]{background:#fee2e2;color:#dc2626}.judge-card strong[data-v-89cc590c]{color:#0f172a;display:block;font-size:15px}.judge-card p[data-v-89cc590c]{color:#64748b;font-size:13px;margin:4px 0 0}.result-panel[data-v-89cc590c],.self-answer-panel[data-v-89cc590c],.sheet-drawer[data-v-89cc590c]{border-radius:24px}.self-answer-panel[data-v-89cc590c]{margin-top:18px}.self-answer-tip[data-v-89cc590c]{color:#64748b;font-size:13px;line-height:1.7;margin-top:10px}.multi-submit-row[data-v-89cc590c],.self-answer-action[data-v-89cc590c],.sheet-footer[data-v-89cc590c]{margin-top:16px}.multi-submit-row[data-v-89cc590c]{display:flex;justify-content:flex-end}.action-btn[data-v-89cc590c],.submit-btn[data-v-89cc590c]{align-items:center;border:0;border-radius:16px;cursor:pointer;display:inline-flex;font-size:15px;font-weight:700;justify-content:center;min-height:48px;padding:0 18px;width:100%}.action-btn--primary[data-v-89cc590c],.bottom-nav--primary[data-v-89cc590c],.bottom-nav--submit[data-v-89cc590c],.submit-btn[data-v-89cc590c]{background:linear-gradient(135deg,#2563eb,#0ea5e9);box-shadow:0 14px 26px #2563eb3d;color:#fff}.beiti-answer-bar[data-v-89cc590c]{animation:beitiFadeIn-89cc590c .25s ease;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:1px solid rgba(148,163,184,.18);border-radius:14px;margin-top:12px;padding:10px 12px}.beiti-answer-bar__inner[data-v-89cc590c]{display:flex;flex-direction:column;gap:6px}.beiti-answer-bar__status[data-v-89cc590c]{align-items:center;display:inline-flex;font-size:13px;font-weight:700;gap:6px}.beiti-answer-bar__status--correct[data-v-89cc590c]{color:#15803d}.beiti-answer-bar__status--wrong[data-v-89cc590c]{color:#dc2626}.beiti-answer-bar__hint[data-v-89cc590c]{align-items:center;color:#475569;display:flex;flex-wrap:wrap;font-size:12px;gap:4px}.beiti-answer-bar__hint strong[data-v-89cc590c]{color:#0f172a}.beiti-answer-bar__answer[data-v-89cc590c]{align-items:center;color:#0f172a;display:inline-flex;font-weight:700;max-width:100%}.beiti-answer-bar__answer[data-v-89cc590c] p{margin:0}.beiti-answer-bar__answer[data-v-89cc590c] img{display:inline-block;max-height:120px;max-width:100%;vertical-align:middle}@keyframes beitiFadeIn-89cc590c{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.video-explain-card[data-v-89cc590c]{align-items:flex-start;background:linear-gradient(135deg,#eff6fff5,#e0f2fee6);border:1px solid rgba(59,130,246,.18);border-radius:16px;display:flex;gap:10px;margin-top:12px;padding:12px 14px;width:100%}.video-explain-card--inline[data-v-89cc590c]{margin-top:14px}.video-explain-card__icon[data-v-89cc590c]{align-items:center;background:#2563eb1f;border-radius:12px;color:#2563eb;display:inline-flex;flex-shrink:0;font-size:18px;height:36px;justify-content:center;width:36px}.video-explain-card__body[data-v-89cc590c]{min-width:0}.video-explain-card__body strong[data-v-89cc590c]{color:#0f172a;display:block;font-size:14px;font-weight:800}.video-explain-card__body p[data-v-89cc590c]{color:#475569;font-size:12px;line-height:1.65;margin:4px 0 0}.video-explain-card--button[data-v-89cc590c]{cursor:pointer;text-align:left;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease}.video-explain-card--button[data-v-89cc590c]:disabled{cursor:wait;opacity:.68}.video-explain-card__action[data-v-89cc590c]{align-self:center;color:#1d4ed8;font-size:12px;font-weight:800;margin-left:auto;white-space:nowrap}.video-explain-dialog[data-v-89cc590c]{display:flex;flex-direction:column;gap:14px}.video-explain-dialog__hero[data-v-89cc590c]{align-items:flex-start;background:linear-gradient(135deg,#eff6ff,#eef2ff);border-radius:18px;display:flex;gap:12px;padding:14px}.video-explain-dialog__hero-icon[data-v-89cc590c]{align-items:center;background:#2563eb24;border-radius:14px;color:#2563eb;display:inline-flex;flex-shrink:0;font-size:20px;height:42px;justify-content:center;width:42px}.video-explain-dialog__hero strong[data-v-89cc590c]{color:#0f172a;display:block;font-size:15px;font-weight:800}.video-explain-dialog__hero p[data-v-89cc590c]{color:#475569;font-size:13px;line-height:1.7;margin:6px 0 0}.video-explain-dialog__stats[data-v-89cc590c]{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.video-explain-dialog__stat[data-v-89cc590c]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:12px}.video-explain-dialog__stat span[data-v-89cc590c]{color:#64748b;display:block;font-size:12px}.video-explain-dialog__stat strong[data-v-89cc590c]{color:#0f172a;display:block;font-size:22px;font-weight:900;margin-top:6px}.video-explain-dialog__grant[data-v-89cc590c]{background:#eff6ff;border:1px solid rgba(37,99,235,.18);border-radius:16px;color:#1d4ed8;font-size:13px;line-height:1.7;padding:12px 14px}.video-explain-dialog__warn[data-v-89cc590c]{background:#fff7ed;border:1px solid rgba(249,115,22,.2);border-radius:16px;color:#c2410c;font-size:13px;line-height:1.7;padding:12px 14px}.video-explain-dialog__expire[data-v-89cc590c]{color:#64748b;font-size:12px}.video-player-shell[data-v-89cc590c]{background:#000;border-radius:18px;overflow:hidden}.video-player-empty[data-v-89cc590c]{align-items:center;color:#64748b;display:flex;flex-direction:column;gap:10px;justify-content:center;min-height:220px}.video-player-empty .el-icon[data-v-89cc590c]{color:#2563eb;font-size:28px}.point-package-dialog[data-v-89cc590c]{display:flex;flex-direction:column;gap:16px}.point-package-dialog__hero[data-v-89cc590c]{align-items:flex-start;background:linear-gradient(135deg,#fef3c7,#fff7ed);border-radius:18px;display:flex;gap:12px;padding:14px}.point-package-dialog__balance[data-v-89cc590c]{background:#2563eb0f;border-radius:14px;color:#1e3a8a;font-size:14px;font-weight:600;padding:12px 14px}.point-package-dialog__balance strong[data-v-89cc590c]{font-size:18px;font-weight:800;margin-left:4px}.point-package-dialog__hero-icon[data-v-89cc590c]{align-items:center;background:#f59e0b29;border-radius:14px;color:#d97706;display:inline-flex;flex-shrink:0;font-size:20px;height:42px;justify-content:center;width:42px}.point-package-dialog__hero strong[data-v-89cc590c]{color:#0f172a;display:block;font-size:15px;font-weight:800}.point-package-dialog__hero p[data-v-89cc590c]{color:#475569;font-size:13px;line-height:1.7;margin:6px 0 0}.point-package-grid[data-v-89cc590c]{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.point-package-card[data-v-89cc590c]{background:linear-gradient(180deg,#fff,#f8fafc);border:1px solid rgba(226,232,240,.9);border-radius:18px;box-shadow:0 12px 28px #0f172a0f;display:flex;flex-direction:column;gap:12px;padding:16px}.point-package-card__top[data-v-89cc590c]{display:flex;flex-direction:column;gap:6px}.point-package-card__name[data-v-89cc590c]{color:#64748b;font-size:12px;font-weight:700}.point-package-card__points[data-v-89cc590c]{color:#0f172a;font-size:24px;font-weight:900}.point-package-card__price[data-v-89cc590c]{color:#ea580c;font-size:20px;font-weight:900}.point-package-card__desc[data-v-89cc590c]{color:#64748b;font-size:12px;line-height:1.65;margin:0}.point-package-dialog__empty[data-v-89cc590c]{background:#f8fafc;border:1px dashed rgba(148,163,184,.5);border-radius:16px;color:#64748b;font-size:13px;padding:18px;text-align:center}.result-panel[data-v-89cc590c]{margin-top:9px;padding:11px}.result-status[data-v-89cc590c]{align-items:center;border-radius:999px;display:inline-flex;font-size:12px;font-weight:700;gap:6px;padding:7px 10px}.result-status.is-correct[data-v-89cc590c]{background:#22c55e1f;color:#15803d}.result-status.is-wrong[data-v-89cc590c]{background:#ef44441f;color:#dc2626}.result-time[data-v-89cc590c]{color:#64748b;font-size:11px}.result-summary-row[data-v-89cc590c]{display:grid;gap:8px;grid-template-columns:1fr;margin-top:12px}.result-summary-card[data-v-89cc590c]{min-width:0}.result-summary-card label[data-v-89cc590c]{color:#475569;display:block;font-size:12px;font-weight:700;margin-bottom:6px}.analysis-toggle[data-v-89cc590c]{align-items:center;background:#eef4ff;border:0;border-radius:14px;color:#1d4ed8;cursor:pointer;display:inline-flex;font-size:13px;font-weight:700;gap:6px;justify-content:center;margin-top:12px;min-height:38px;width:100%}.result-block[data-v-89cc590c],.result-richtext[data-v-89cc590c]{margin-top:12px}.result-block label[data-v-89cc590c],.result-richtext label[data-v-89cc590c]{color:#475569;display:block;font-size:13px;font-weight:700;margin-bottom:8px}.result-chip[data-v-89cc590c]{align-items:center;border-radius:12px;display:inline-flex;font-size:13px;font-weight:700;min-height:34px;padding:6px 12px}.result-answer-media[data-v-89cc590c]{background:linear-gradient(180deg,#f0fdf4,#ecfdf5);border:1px solid #d9f99d;border-radius:14px;overflow:hidden;padding:10px}.result-answer-media--success[data-v-89cc590c]{color:#166534}.result-answer-media[data-v-89cc590c] p{margin:.2em 0}.result-answer-media[data-v-89cc590c] .katex-display{margin:.35em 0;overflow-x:auto;overflow-y:hidden}.result-answer-media[data-v-89cc590c] img{border-radius:10px;display:block;height:auto;margin:0 auto;max-width:100%}.result-chip--success[data-v-89cc590c]{background:#dcfce7;color:#15803d}.result-chip--success-soft[data-v-89cc590c]{background:#eff6ff;color:#1d4ed8}.result-chip--danger-soft[data-v-89cc590c]{background:#fee2e2;color:#dc2626}.result-richtext__body[data-v-89cc590c]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;color:#334155;padding:12px 13px}.sheet-drawer-mask[data-v-89cc590c]{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0f172a61;inset:0;position:fixed;z-index:80}.sheet-drawer[data-v-89cc590c]{background:#fff;bottom:0;box-shadow:-12px 0 30px #0f172a24;overflow-y:auto;padding:18px 16px 20px;position:absolute;right:0;top:0;width:min(84vw,380px)}.desktop-sheet__header p[data-v-89cc590c],.sheet-drawer__eyebrow[data-v-89cc590c]{color:#94a3b8;font-size:12px;margin:0 0 4px}.desktop-sheet__header h3[data-v-89cc590c],.sheet-drawer__header h3[data-v-89cc590c]{color:#0f172a;font-size:24px;margin:0}.icon-btn[data-v-89cc590c]{background:#f8fafc;border-radius:14px;color:#475569;height:38px;width:38px}.sheet-summary-grid[data-v-89cc590c]{display:grid;gap:10px;grid-template-columns:repeat(3,1fr);margin-top:18px}.summary-card[data-v-89cc590c]{border-radius:18px;color:#0f172a;padding:12px 10px}.summary-card span[data-v-89cc590c]{color:inherit;display:block;font-size:11px;opacity:.78}.summary-card strong[data-v-89cc590c]{display:block;font-size:20px;line-height:1;margin-top:6px}.summary-card--blue[data-v-89cc590c]{background:#eff6ff;color:#1d4ed8}.summary-card--green[data-v-89cc590c]{background:#f0fdf4;color:#15803d}.summary-card--amber[data-v-89cc590c]{background:#fffbeb;color:#b45309}.sheet-legend[data-v-89cc590c]{color:#64748b;flex-wrap:wrap;font-size:12px;margin-top:16px}.sheet-legend span[data-v-89cc590c]{align-items:center;display:inline-flex;gap:6px}.legend-dot[data-v-89cc590c]{border-radius:999px;height:9px;width:9px}.legend-dot--default[data-v-89cc590c]{background:#cbd5e1}.legend-dot--current[data-v-89cc590c]{background:#1d4ed8}.legend-dot--done[data-v-89cc590c]{background:#3b82f6}.legend-dot--correct[data-v-89cc590c]{background:#22c55e}.legend-dot--wrong[data-v-89cc590c]{background:#ef4444}.desktop-sheet__grid[data-v-89cc590c],.sheet-grid[data-v-89cc590c]{display:grid;gap:10px;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:18px}.sheet-index[data-v-89cc590c]{align-items:center;background:#f8fafc;border:1px solid #dbe4f0;border-radius:16px;color:#475569;cursor:pointer;display:inline-flex;font-size:14px;font-weight:700;height:46px;justify-content:center}.sheet-index--current[data-v-89cc590c]{box-shadow:0 0 0 2px #2563eb3d}.sheet-index--done[data-v-89cc590c]{background:#dbeafe;border-color:#93c5fd;color:#1d4ed8}.sheet-index--correct[data-v-89cc590c]{background:#dcfce7;border-color:#86efac;color:#15803d}.sheet-index--wrong[data-v-89cc590c]{background:#fee2e2;border-color:#fca5a5;color:#dc2626}.mobile-answer-actions[data-v-89cc590c]{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff7;border-top:1px solid rgba(226,232,240,.9);bottom:0;box-shadow:0 -8px 20px #0f172a0f;display:grid;gap:8px;grid-template-columns:72px minmax(0,1fr) minmax(0,1.35fr);padding:8px 10px calc(8px + env(safe-area-inset-bottom));position:sticky;z-index:38}.mobile-answer-actions__button[data-v-89cc590c],.mobile-answer-actions__sheet[data-v-89cc590c]{align-items:center;border:0;border-radius:14px;cursor:pointer;display:inline-flex;font-size:13px;font-weight:750;gap:5px;justify-content:center;min-height:44px;min-width:0;padding:0 10px;transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;white-space:nowrap;-webkit-tap-highlight-color:transparent}.mobile-answer-actions__sheet[data-v-89cc590c]{background:#eff6ff;box-shadow:inset 0 0 0 1px #2563eb14;color:#1d4ed8}.mobile-answer-actions__button--prev[data-v-89cc590c]{background:#f3f6fb;border:1px solid rgba(203,213,225,.86);color:#64748b}.mobile-answer-actions__button--primary[data-v-89cc590c]{background:linear-gradient(135deg,#2563eb,#0ea5e9);box-shadow:0 12px 24px #2563eb38;color:#fff}.mobile-answer-actions__button[data-v-89cc590c]:active,.mobile-answer-actions__sheet[data-v-89cc590c]:active{transform:scale(.985)}.mobile-answer-actions__button[data-v-89cc590c]:disabled{box-shadow:none;cursor:not-allowed;opacity:.42;transform:none}.mobile-answer-actions__button[data-v-89cc590c]:focus-visible,.mobile-answer-actions__sheet[data-v-89cc590c]:focus-visible{outline:3px solid rgba(37,99,235,.18);outline-offset:2px}.bottom-bar[data-v-89cc590c]{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff7;border-top:1px solid rgba(226,232,240,.85);bottom:0;box-shadow:0 -10px 24px #0f172a0d;display:block;padding:7px 10px calc(7px + env(safe-area-inset-bottom));position:sticky;z-index:35}.bottom-bar__meta[data-v-89cc590c]{align-items:center;color:#64748b;display:flex;font-size:11px;font-weight:600;gap:6px;justify-content:flex-start;margin-bottom:7px;overflow-x:auto;padding:0 2px;scrollbar-width:none;white-space:nowrap;-webkit-overflow-scrolling:touch}.bottom-bar__meta[data-v-89cc590c]::-webkit-scrollbar{display:none}.bottom-bar__controls[data-v-89cc590c]{align-items:center;display:flex;gap:8px;width:100%}.bottom-secondary[data-v-89cc590c]{align-items:center;background:#eff6ff;border-radius:14px;color:#1d4ed8;display:inline-flex;flex-shrink:0;font-size:12px;font-weight:700;gap:4px;justify-content:center;min-height:42px;min-width:58px;padding:0 10px}.bottom-actions[data-v-89cc590c]{display:flex;flex:1;gap:8px;min-width:0}.bottom-nav[data-v-89cc590c]{align-items:center;border:0;border-radius:14px;cursor:pointer;display:inline-flex;flex:1;font-size:13px;font-weight:700;gap:5px;justify-content:center;min-height:42px;min-width:0;padding:0 11px}.bottom-nav--ghost[data-v-89cc590c]{background:#f1f5f9;color:#334155}.bottom-nav[data-v-89cc590c]:disabled{box-shadow:none;cursor:not-allowed;opacity:.45;transform:none}.desktop-sheet[data-v-89cc590c]{border-radius:28px;height:-moz-fit-content;height:fit-content;margin-left:20px;max-height:calc(100vh - 108px);overflow-y:auto;padding:20px;position:sticky;scrollbar-color:rgba(148,163,184,.45) transparent;scrollbar-width:thin;top:84px;width:320px}.desktop-sheet[data-v-89cc590c]::-webkit-scrollbar{width:6px}.desktop-sheet[data-v-89cc590c]::-webkit-scrollbar-thumb{background:#94a3b873;border-radius:999px}.desktop-sheet[data-v-89cc590c]::-webkit-scrollbar-track{background:transparent}.desktop-sheet__header[data-v-89cc590c]{align-items:flex-end;display:flex;justify-content:space-between}.desktop-sheet__mini[data-v-89cc590c]{background:#eff6ff;border-radius:999px;color:#1d4ed8;font-size:13px;font-weight:700;padding:8px 12px}.desktop-sheet__grid[data-v-89cc590c]{grid-template-columns:repeat(5,minmax(0,1fr))}.dialog-message[data-v-89cc590c]{align-items:center;color:#334155;display:flex;gap:14px}.dialog-message__icon[data-v-89cc590c]{align-items:center;background:#fff7ed;border-radius:16px;color:#f97316;display:inline-flex;font-size:22px;height:44px;justify-content:center;width:44px}.dialog-message strong[data-v-89cc590c]{color:#0f172a;display:block;font-size:16px}.dialog-message p[data-v-89cc590c]{color:#64748b;margin:6px 0 0}.self-eval-dialog__content[data-v-89cc590c]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:18px;max-height:46vh;overflow-y:auto;padding:14px 16px}.self-eval-dialog__footer[data-v-89cc590c]{margin-top:18px;text-align:center}.self-eval-dialog__footer p[data-v-89cc590c]{color:#334155;font-weight:600;margin:0 0 12px}.rich-content[data-v-89cc590c] p{margin:.35em 0}.rich-content[data-v-89cc590c] img{border-radius:12px;max-width:100%}.rich-content[data-v-89cc590c] table{border-collapse:collapse;font-size:14px;margin:10px 0;width:100%}.rich-content[data-v-89cc590c] td,.rich-content[data-v-89cc590c] th{border:1px solid #dbe4f0;padding:8px}[data-v-89cc590c] .answer-textarea .el-textarea__inner{background:#fbfdff;border-color:#dbe4f0;border-radius:20px;box-shadow:inset 0 1px 2px #0f172a08;min-height:180px!important;padding:16px 18px}[data-v-89cc590c] .answer-textarea .el-textarea__inner:focus{border-color:#60a5fa;box-shadow:0 0 0 4px #2563eb1f}@media(max-width:420px){.question-tags[data-v-89cc590c]{gap:6px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.question-tags[data-v-89cc590c]::-webkit-scrollbar{display:none}}@media(max-width:380px){.mobile-answer-status[data-v-89cc590c]{padding-left:10px;padding-right:10px}.mobile-answer-status__summary[data-v-89cc590c]{font-size:11px;gap:6px}.mobile-answer-status__summary strong[data-v-89cc590c]{font-size:13px}.mobile-answer-actions[data-v-89cc590c]{gap:6px;grid-template-columns:64px minmax(0,1fr) minmax(0,1.25fr);padding-left:8px;padding-right:8px}.mobile-answer-actions__button[data-v-89cc590c],.mobile-answer-actions__sheet[data-v-89cc590c]{font-size:12px;min-height:42px;padding:0 8px}.content-scroll--mobile[data-v-89cc590c],.mobile-topbar[data-v-89cc590c]{padding-left:8px;padding-right:8px}.bottom-bar[data-v-89cc590c],.mobile-topbar__card[data-v-89cc590c]{padding-left:9px;padding-right:9px}}@media(max-width:340px){.mobile-answer-status__meta[data-v-89cc590c],.mobile-answer-status__summary[data-v-89cc590c]{font-size:10px}.mobile-answer-actions[data-v-89cc590c]{grid-template-columns:58px minmax(0,1fr) minmax(0,1.2fr)}}@media(min-width:1024px){.answer-page--pc[data-v-89cc590c]{min-height:calc(100vh - 46px)}.answer-shell--pc[data-v-89cc590c]{align-items:start;display:grid;gap:16px;grid-template-columns:minmax(420px,1fr) 220px;margin:0 auto;max-width:1280px;padding:24px}.answer-main[data-v-89cc590c]{min-height:auto;min-width:0}.content-scroll[data-v-89cc590c]{padding-bottom:0}.desktop-sheet[data-v-89cc590c]{border-radius:22px;margin-left:0;max-height:calc(100vh - 92px);padding:16px;top:72px;width:220px}.desktop-sheet__header[data-v-89cc590c]{align-items:flex-start}.desktop-sheet__header p[data-v-89cc590c]{margin:0 0 4px}.desktop-sheet__header h3[data-v-89cc590c]{margin:0}.desktop-sheet__grid[data-v-89cc590c]{gap:8px;margin-top:14px}.sheet-legend--pc[data-v-89cc590c]{font-size:11px;gap:6px;margin-top:12px}.desktop-sheet .sheet-index[data-v-89cc590c]{border-radius:12px;font-size:13px;height:36px}.question-panel[data-v-89cc590c],.result-panel[data-v-89cc590c]{border-radius:30px}.question-panel[data-v-89cc590c]{padding:24px}.result-panel[data-v-89cc590c]{padding:22px}}.course-detail-page[data-v-30cbfa24]{background:radial-gradient(circle at 8% 0,rgba(37,99,235,.13),transparent 28%),linear-gradient(180deg,#f8fbff,#eef4fb 45%,#f8fafc);color:#0f172a;min-height:100%;padding:28px 24px 56px}.detail-container[data-v-30cbfa24],.detail-hero[data-v-30cbfa24]{margin:0 auto;max-width:1240px}.detail-hero[data-v-30cbfa24]{background:#ffffffeb;border:1px solid rgba(191,219,254,.85);border-radius:32px;box-shadow:0 24px 70px #1e40af1f;display:grid;gap:30px;grid-template-columns:430px minmax(0,1fr);margin-bottom:28px;overflow:hidden;padding:24px}.detail-hero__cover[data-v-30cbfa24]{background:#eaf2ff;border-radius:24px;min-height:260px;overflow:hidden}.detail-hero__cover[data-v-30cbfa24] .el-image{height:100%;width:100%}.detail-hero__fallback[data-v-30cbfa24]{color:#2563eb;display:grid;font-size:32px;font-weight:900;height:100%;place-items:center}.detail-hero__content[data-v-30cbfa24]{display:flex;flex-direction:column;justify-content:center;min-width:0;padding:8px 8px 8px 0}.section-kicker[data-v-30cbfa24]{color:#2563eb;font-size:13px;font-weight:900;letter-spacing:.16em;margin:0 0 8px;text-transform:uppercase}.detail-hero h1[data-v-30cbfa24]{color:#0f172a;font-size:42px;font-weight:950;letter-spacing:-.04em;line-height:1.12;margin:0}.detail-hero__intro[data-v-30cbfa24]{display:-webkit-box;margin:16px 0 0;max-width:700px;overflow:hidden;-webkit-box-orient:vertical;color:#475569;font-size:16px;-webkit-line-clamp:3;line-height:1.8}.detail-hero__meta[data-v-30cbfa24]{display:grid;gap:12px;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:26px}.detail-hero__meta div[data-v-30cbfa24]{background:#f8fbff;border:1px solid #dbeafe;border-radius:18px;min-width:0;padding:14px}.detail-hero__meta .el-icon[data-v-30cbfa24]{color:#2563eb;font-size:20px}.detail-hero__meta span[data-v-30cbfa24],.detail-hero__meta strong[data-v-30cbfa24]{display:block}.detail-hero__meta strong[data-v-30cbfa24]{color:#1e293b;font-size:18px;font-weight:900;margin-top:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail-hero__meta span[data-v-30cbfa24]{color:#64748b;font-size:12px;margin-top:4px}.detail-container[data-v-30cbfa24]{align-items:start;display:grid;gap:26px;grid-template-columns:minmax(0,1fr) 360px}.detail-main--full[data-v-30cbfa24]{grid-column:1 / -1}.buy-card[data-v-30cbfa24],.detail-card[data-v-30cbfa24]{background:#ffffffeb;border:1px solid rgba(226,232,240,.92);border-radius:28px;box-shadow:0 16px 46px #0f172a12}.detail-card[data-v-30cbfa24]{margin-bottom:22px;padding:26px}.section-head[data-v-30cbfa24]{align-items:flex-start;display:flex;gap:16px;justify-content:space-between;margin-bottom:20px}.section-head h2[data-v-30cbfa24]{font-size:27px;font-weight:950;letter-spacing:-.03em;margin:0}.catalog-actions>span[data-v-30cbfa24],.section-head>span[data-v-30cbfa24]{background:#eff6ff;border-radius:999px;color:#2563eb;display:inline-flex;font-size:13px;font-weight:900;max-width:260px;overflow:hidden;padding:7px 12px;text-overflow:ellipsis;white-space:nowrap}.catalog-actions[data-v-30cbfa24]{align-items:center;display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}.catalog-download-btn[data-v-30cbfa24],.chapter-doc-btn[data-v-30cbfa24],.module-practice-btn[data-v-30cbfa24]{background:#eff6ff;border-color:#bfdbfe;color:#2563eb;font-weight:900}.module-practice-btn[data-v-30cbfa24]{background:#f0fdf4;border-color:#bbf7d0;color:#16a34a}.rich-content[data-v-30cbfa24]{color:#475569;font-size:15px;line-height:1.9}.rich-content[data-v-30cbfa24] img{border-radius:16px;height:auto;max-width:100%}.feature-grid[data-v-30cbfa24]{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:22px}.feature-card[data-v-30cbfa24]{background:linear-gradient(180deg,#f8fbff,#eff6ff);border:1px solid #dbeafe;border-radius:20px;padding:18px}.feature-card .el-icon[data-v-30cbfa24]{color:#2563eb;font-size:26px}.feature-card span[data-v-30cbfa24],.feature-card strong[data-v-30cbfa24]{display:block}.feature-card strong[data-v-30cbfa24]{color:#0f172a;font-weight:900;margin-top:12px}.feature-card span[data-v-30cbfa24]{color:#64748b;font-size:13px;line-height:1.6;margin-top:6px}.course-collapse[data-v-30cbfa24]{border:0}.course-collapse[data-v-30cbfa24] .el-collapse-item{background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #dbeafe;border-radius:22px;box-shadow:0 12px 32px #2563eb12;margin-bottom:14px;overflow:hidden}.course-collapse[data-v-30cbfa24] .el-collapse-item__header{background:linear-gradient(90deg,#eff6fff2,#fffffff5);border:0;height:auto;min-height:74px;padding:0 18px 0 16px}.course-collapse[data-v-30cbfa24] .el-collapse-item__arrow{background:#eff6ff;border-radius:999px;color:#2563eb;height:30px;line-height:30px;margin-left:12px;width:30px}.course-collapse[data-v-30cbfa24] .el-collapse-item__wrap{background:transparent;border:0}.chapter-title[data-v-30cbfa24]{align-items:center;display:flex;gap:16px;min-width:0;width:100%}.chapter-title__badge[data-v-30cbfa24]{align-items:center;background:radial-gradient(circle at 30% 20%,#fff 0,#eef6ff 52%,#dbeafe);border:1px solid #dbeafe;border-radius:999px;box-shadow:inset 0 1px #ffffffe6,0 10px 20px #2563eb1a;color:#2563eb;display:inline-flex;flex:0 0 auto;flex-direction:column;height:54px;justify-content:center;line-height:1.1;width:92px}.chapter-title__badge b[data-v-30cbfa24],.chapter-title__badge small[data-v-30cbfa24]{display:block}.chapter-title__badge small[data-v-30cbfa24]{color:#60a5fa;font-size:11px;font-weight:900;letter-spacing:.18em;margin-bottom:3px}.chapter-title__badge b[data-v-30cbfa24]{font-size:13px;font-weight:950}.chapter-title strong[data-v-30cbfa24]{color:#0f172a;flex:1;font-size:16px;font-weight:950;letter-spacing:-.01em;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chapter-title em[data-v-30cbfa24]{background:#f8fafc;border-radius:999px;color:#64748b;flex:0 0 auto;font-size:12px;font-style:normal;font-weight:900;padding:6px 10px}.chapter-tools[data-v-30cbfa24]{display:flex;justify-content:flex-end;padding:0 18px 12px}.module-list[data-v-30cbfa24]{display:grid;gap:10px;padding:0 18px 18px}.module-row[data-v-30cbfa24]{align-items:center;background:#fbfdff;border:1px solid #f1f5f9;border-radius:16px;display:flex;gap:16px;justify-content:space-between;padding:14px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.module-row[data-v-30cbfa24]:hover{border-color:#2563eb47;box-shadow:0 12px 26px #1e40af14;transform:translateY(-2px)}.module-row--locked[data-v-30cbfa24]{background:#f8fafc}.module-row__info[data-v-30cbfa24]{align-items:center;display:flex;gap:12px;min-width:0}.module-row__info>span[data-v-30cbfa24]{background:#eff6ff;border-radius:14px;color:#2563eb;display:inline-grid;flex:0 0 auto;font-weight:950;height:36px;place-items:center;width:36px}.module-row__info div[data-v-30cbfa24]{min-width:0}.module-row__info em[data-v-30cbfa24],.module-row__info strong[data-v-30cbfa24]{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.module-row__info strong[data-v-30cbfa24]{color:#0f172a;font-size:15px;font-weight:900}.module-row__info em[data-v-30cbfa24]{color:#64748b;font-size:12px;font-style:normal;margin-top:4px}.module-row__actions[data-v-30cbfa24]{align-items:center;display:flex;flex:0 0 auto;flex-wrap:wrap;gap:8px;justify-content:flex-end}.module-row__btn[data-v-30cbfa24]{border-radius:999px;flex:0 0 auto;font-weight:900}.review-summary[data-v-30cbfa24]{align-items:center;background:#f8fafc;border-radius:20px;display:flex;gap:18px;margin-bottom:18px;padding:18px}.review-summary strong[data-v-30cbfa24]{color:#f59e0b;font-size:38px;font-weight:950}.comment-list[data-v-30cbfa24]{display:grid;gap:14px}.comment-card[data-v-30cbfa24]{background:#fff;border:1px solid #eef2f7;border-radius:18px;display:flex;gap:14px;padding:16px}.comment-card__head[data-v-30cbfa24]{align-items:center;display:flex;flex-wrap:wrap;gap:10px}.comment-card p[data-v-30cbfa24]{color:#475569;line-height:1.7;margin:8px 0 0}.buy-aside[data-v-30cbfa24]{position:sticky;top:24px}.buy-card[data-v-30cbfa24]{padding:26px}.buy-card>p[data-v-30cbfa24]{color:#64748b;font-weight:800;margin:0}.buy-card>strong[data-v-30cbfa24]{color:#dc2626;display:block;font-size:42px;font-weight:950;line-height:1;margin-top:8px}.buy-card>strong small[data-v-30cbfa24]{font-size:20px}.buy-card>span[data-v-30cbfa24]{color:#94a3b8;display:block;margin-top:8px;text-decoration:line-through}.agreement-line[data-v-30cbfa24]{align-items:center;color:#64748b;display:flex;font-size:13px;gap:4px;margin:20px 0 12px}.buy-btn[data-v-30cbfa24]{margin-bottom:18px;width:100%}.benefit-list[data-v-30cbfa24]{border-top:1px solid #eef2f7;display:grid;gap:12px;padding-top:16px}.benefit-list div[data-v-30cbfa24]{color:#475569;display:flex;gap:10px;line-height:1.6}.benefit-list .el-icon[data-v-30cbfa24]{color:#2563eb;flex:0 0 auto;margin-top:3px}.benefit-list .highlight[data-v-30cbfa24]{color:#dc2626;font-weight:800}.course-empty[data-v-30cbfa24]{padding:42px 0}.download-panel[data-v-30cbfa24]{padding-bottom:4px}.download-tip[data-v-30cbfa24]{color:#64748b;font-size:14px;line-height:1.7;margin:0 0 14px}.download-list[data-v-30cbfa24]{display:grid;gap:10px}.download-item[data-v-30cbfa24]{align-items:center;border:1px solid #e5eaf2;border-radius:18px;color:inherit;display:grid;gap:12px;grid-template-columns:42px minmax(0,1fr) auto;padding:13px;text-decoration:none;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.download-item[data-v-30cbfa24]:hover{border-color:#2563eb47;box-shadow:0 12px 26px #1e40af14;transform:translateY(-2px)}.download-item__icon[data-v-30cbfa24]{background:#eff6ff;border-radius:15px;color:#2563eb;display:grid;font-size:18px;height:42px;place-items:center;width:42px}.download-item__body[data-v-30cbfa24]{min-width:0}.download-item__body em[data-v-30cbfa24],.download-item__body strong[data-v-30cbfa24]{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.download-item__body strong[data-v-30cbfa24]{color:#0f172a;font-size:15px;font-weight:900}.download-item__body em[data-v-30cbfa24]{color:#94a3b8;font-size:13px;font-style:normal;margin-top:3px}.download-item__action[data-v-30cbfa24]{color:#2563eb;font-size:14px;font-weight:900}.practice-shell[data-v-30cbfa24]{background:#f8fafc;border-radius:18px;height:min(76vh,720px);overflow:hidden}.practice-empty[data-v-30cbfa24]{display:grid;justify-items:center;padding:36px 16px;text-align:center}.practice-empty .el-icon[data-v-30cbfa24]{background:#eff6ff;border-radius:18px;color:#2563eb;display:grid;font-size:26px;height:54px;margin-bottom:12px;place-items:center;width:54px}.practice-empty h3[data-v-30cbfa24]{color:#0f172a;font-size:20px;font-weight:950;margin:0}.practice-empty p[data-v-30cbfa24]{color:#64748b;font-size:14px;line-height:1.7;margin:8px 0 0}.player-box[data-v-30cbfa24]{min-height:430px}[data-v-30cbfa24] .course-download-dialog,[data-v-30cbfa24] .course-practice-dialog{border-radius:20px}[data-v-30cbfa24] .el-button{border-radius:999px}input[type=number][data-v-30cbfa24]::-webkit-inner-spin-button,input[type=number][data-v-30cbfa24]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}@media(max-width:1100px){.detail-container[data-v-30cbfa24],.detail-hero[data-v-30cbfa24]{grid-template-columns:1fr}.module-row[data-v-30cbfa24]{align-items:flex-start;flex-direction:column}.module-row__actions[data-v-30cbfa24]{width:100%}.buy-aside[data-v-30cbfa24]{position:static}}