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.ep-color-sheet{background:#fff;width:100%;max-width:900px;height:auto}.ep-app .ep-pdf canvas{background:#fff}@media (max-width:850px){.ep-app .ep-shell{grid-template-columns:1fr}.ep-app .ep-nav{border-right:0;border-bottom:1px solid var(--ep-line);padding:12px}.ep-app .ep-nav nav{flex-wrap:wrap;gap:5px;display:flex}.ep-app .ep-nav button{padding:10px}.ep-app .ep-guide{display:none}.ep-app main{padding:20px}.ep-app .ep-hero{padding:24px}.ep-app .ep-login{padding:25px}}@media (max-width:520px){.ep-app .ep-hero,.ep-app .ep-two,.ep-app .ep-login{grid-template-columns:1fr}.ep-app .ep-hero-art{min-height:180px}.ep-app .ep-hero-art>div{width:125px;height:155px;font-size:18px}.ep-app .ep-hero-art span{font-size:40px}.ep-app .ep-header{padding:18px}.ep-app .ep-brand b{font-size:26px}.ep-app .ep-books{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.ep-app button.ep-cover{height:190px;padding:12px}.ep-app .ep-cover strong{font-size:19px}.ep-app .ep-stats{gap:6px}.ep-app .ep-stats>div{padding:8px 3px;font-size:19px}.ep-app .ep-stats strong{margin:0;font-size:21px;display:block}.ep-app .ep-reading{padding:17px}.ep-app .ep-panel{padding:16px}.ep-app .ep-login-art{font-size:45px}}@media print{body:has(.ep-color-sheet) *{visibility:hidden!important}.ep-app .ep-color-sheet{width:100%;max-width:none;position:absolute;top:0;left:0;visibility:visible!important}.ep-app .no-print,.ep-app .ep-header,.ep-app .ep-footer,.ep-app .ep-alert,.ep-app .ep-message{display:none!important}}.ep-app .ep-story-login{background:radial-gradient(at 12% 10%,#f0e3c566,#0000 55%);grid-template-columns:minmax(0,1.35fr) minmax(290px,.8fr);align-items:center;gap:40px;max-width:1400px;padding:38px 42px 48px}.ep-app .ep-story-welcome{text-align:center;background:#f8f4ed;border-radius:24px;min-width:0;position:relative;overflow:hidden}.ep-app .ep-story-copy{z-index:1;padding:12px 16px 0;position:relative}.ep-app .ep-story-copy h1{color:#214e43;margin:13px 0 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