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components;@layer utilities{.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.sticky{position:sticky}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-flex{display:inline-flex}.h-full{height:100%}.min-h-full{min-height:100%}.flex-col{flex-direction:column}.border{border-style:var(--tw-border-style);border-width:1px}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--background:#f6f3eb;--foreground:#1f2b29;--card:#ffffffd1;--line:#425c561f;--accent:#2f7b68;--accent-soft:#d8ede6;--brand-gold:#bc9554;--shadow:0 20px 48px #2e4a4414}*{box-sizing:border-box}html,body{background:var(--background);color:var(--foreground);font-family:Source Han Sans SC,PingFang SC,Microsoft YaHei,sans-serif}body{background:radial-gradient(circle at 0 0,#bfddd0a6,#0000 28%),radial-gradient(circle at 100% 0,#f0e1bc94,#0000 26%),linear-gradient(#faf7f0 0%,#f5f1e7 58%,#f1ece1 100%);margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.student-glass{border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}@media (min-width:1200px){.lesson-workspace--viewport,.topic-lesson-list--viewport{min-height:calc(100vh - 32px);position:sticky;top:0}.topic-lesson-list--viewport{height:calc(100vh - 32px)}.topic-lesson-list--viewport .ant-card-body,.topic-lesson-list--viewport .topic-lesson-list__content,.topic-lesson-list--viewport .topic-lesson-list__items{min-height:0}.topic-lesson-list--viewport .ant-card-body,.topic-lesson-list--viewport .topic-lesson-list__content{flex-direction:column;display:flex}.topic-lesson-list--viewport .ant-card-body,.topic-lesson-list--viewport .topic-lesson-list__content,.topic-lesson-list--viewport .topic-lesson-list__items{height:100%}.topic-lesson-list--viewport .topic-lesson-list__items{flex:1;padding-right:6px;overflow-y:auto}}.student-watermark{color:#1f2b2970;letter-spacing:.18em;text-transform:uppercase;white-space:nowrap;font-size:12px}.mono{font-family:var(--font-mono), ui-monospace, monospace}.login-grid{grid-template-columns:1.1fr .9fr;align-items:stretch;gap:20px;width:min(1120px,100%);display:grid}.login-intro{min-height:600px}.login-features{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}@media (max-width:959px){.login-grid{grid-template-columns:1fr}.login-intro{order:2;min-height:0}.login-features{grid-template-columns:1fr}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}
