:root{--font: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", system-ui, sans-serif;--bg: #f6f7f9;--surface: #ffffff;--surface-2: #f9fafb;--surface-3: #f2f4f7;--line: #e6e8ec;--line-strong: #d5d9e0;--ink: #111827;--ink-2: #374151;--muted: #6b7280;--subtle: #9ca3af;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-soft: #eef3fe;--accent-soft-2: #dbe6fd;--accent-ink: #1e40af;--success: #047857;--success-soft: #ecfdf5;--success-line: #a7f3d0;--warning: #b45309;--warning-soft: #fff7ed;--warning-line: #fed7aa;--danger: #b91c1c;--danger-soft: #fef2f2;--danger-line: #fecaca;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--shadow-1: 0 1px 2px rgb(16 24 40 / .05);--shadow-2: 0 8px 24px rgb(16 24 40 / .08);--sidebar-w: 248px;--rail-w: 76px;--topbar-h: 56px;--tabbar-h: 64px;--content-max: 1200px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}:root{font-family:var(--font);color:var(--ink);background:var(--bg);font-synthesis:none;line-height:1.6;font-size:16px;-webkit-text-size-adjust:100%;text-size-adjust:100%}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--bg);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}a,button,summary{touch-action:manipulation}button{cursor:pointer;border:0;background:none}button:disabled{cursor:not-allowed}img,svg{display:block;max-width:100%}.icon{flex-shrink:0}h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}ul,ol{padding:0}h1{font-size:1.5rem;line-height:1.35;font-weight:700;letter-spacing:-.01em}h2{font-size:1.125rem;line-height:1.45;font-weight:650}h3{font-size:1rem;line-height:1.5;font-weight:600}p,dd,li{overflow-wrap:anywhere}small{font-size:.8125rem}::selection{background:var(--accent-soft-2)}:focus-visible{outline:2px 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.link-row{padding-inline:20px}}@media(max-width:767px){:root{--bg: #ffffff}.app-main{padding-top:12px}.app-main .page-heading{margin-bottom:18px}.app-main .page-heading .eyebrow,.app-main .back-link{display:none}.app-main .page-heading .intro{font-size:.875rem}.page-heading-meta{margin-top:10px}.panel{padding:0;background:transparent;border:0;border-radius:0;box-shadow:none}.panel.soft{background:transparent}.panel>h2,.panel-head h2{font-size:1.0625rem}.page-grid,.page-main,.page-aside,.home-grid,.home-main,.home-aside,.tutoring-grid{gap:32px}.panel .empty-state,.empty-state{padding:28px 8px;background:transparent;border:0}.skeleton-card{padding:4px 0;border:0}.panel.enroll-card{padding:18px 16px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-lg)}.detail-item{grid-template-columns:auto minmax(0,1fr);gap:16px;padding:12px 0}.detail-item dd{text-align:right}.data-list,.notice-list{background:transparent;border:0;border-radius:0;box-shadow:none;overflow:visible}.data-row{padding:14px 0}a.data-row:hover{background:transparent}.lesson-card{padding:14px 0;border:0;border-bottom:1px solid var(--line);border-radius:0}.lesson-card+.lesson-card{margin-top:0}.lesson-card:hover{box-shadow:none}.lesson-date{width:54px}.child-grid{gap:0}.child-card{padding:14px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none}.child-card .avatar.lg{width:48px;height:48px;font-size:1.125rem}.notice-card{padding:16px 0}.notice-card.unread{background:transparent}.link-list a,.link-list .link-row{padding-inline:0}.list-title{padding:0 0 4px}.feedback-list{gap:0}.feedback-item{padding:12px 0;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0}.kid-item{margin:0;padding:8px 0}.home-head .intro{font-size:.875rem}.quick-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;margin-bottom:28px}.quick-tile,.quick-tile.featured,.quick-tile:hover,.quick-tile.featured:hover{align-items:center;gap:8px;min-height:0;padding:4px 0;background:transparent;border:0;box-shadow:none;color:var(--ink);text-align:center}.quick-icon{width:52px;height:52px;border-radius:16px}.quick-tile.featured .quick-icon{background:var(--accent);color:#fff}.quick-text strong{font-size:.8125rem;font-weight:500}.quick-text small,.quick-chev{display:none}.filter-bar{padding:0;gap:8px;background:transparent;border:0;box-shadow:none}.filter-bar .field{margin:0}.filter-bar .field>span:not(.input-icon){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.filter-bar input,.filter-bar select{min-height:44px;border-color:transparent;background-color:var(--surface-3)}.filter-bar select{border-radius:999px;font-size:.875rem}.result-count{margin:12px 0 0}.course-grid{gap:0}.course-card{gap:8px;padding:18px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none}.course-card:hover{box-shadow:none}.course-card-foot{padding-top:4px;border-top:0}.course-cta{display:none}.receipt-amount{margin-top:0}.danger-zone{margin-top:20px}}