.article-drawer{border-top-left-radius:var(--brand-radius-xl)}.drawer-toolbar{align-items:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);background:var(--brand-bg);border-bottom:1px solid var(--brand-border);display:flex;gap:4px;padding:10px 14px;position:sticky;top:0;z-index:1}.drawer-toolbar__group{align-items:center;display:inline-flex;gap:2px}.drawer-toolbar__spacer{flex:1}.drawer-toolbar__btn{align-items:center;background:transparent;border:none;border-radius:var(--brand-radius-md);color:var(--brand-text-muted);cursor:pointer;display:inline-flex;height:32px;justify-content:center;transition:var(--brand-transition-colors);width:32px}.drawer-toolbar__btn:hover{background:var(--brand-surface);color:var(--brand-text)}.drawer-toolbar__btn:active{background:var(--brand-surface-2)}.drawer-toolbar__btn:focus-visible{outline:2px solid var(--brand-accent);outline-offset:1px}.drawer-toolbar__btn--coming{cursor:not-allowed;opacity:.45}.drawer-toolbar__btn--coming:hover{background:transparent;color:var(--brand-text-muted)}.drawer-reader{color:var(--brand-text);margin:0 auto;max-width:680px;padding:32px 32px 0}@media (max-width:768px){.drawer-reader{padding:20px 16px 0}}.drawer-nav-btn{align-items:center;background:var(--brand-bg);border:1px solid var(--brand-border);border-radius:var(--brand-radius-full);box-shadow:var(--brand-shadow-card);color:var(--brand-text-muted);cursor:pointer;display:flex;height:40px;justify-content:center;position:fixed;top:50%;transform:translateY(-50%);transition:transform var(--brand-duration-fast) var(--brand-ease-standard),box-shadow var(--brand-duration-fast) var(--brand-ease-standard),background-color var(--brand-duration-fast) var(--brand-ease-standard),color var(--brand-duration-fast) var(--brand-ease-standard);width:40px;z-index:110}.drawer-nav-btn:hover{background:var(--brand-surface);box-shadow:var(--brand-shadow-elevated);color:var(--brand-text)}.drawer-nav-btn:active{transform:translateY(-50%) scale(.96)}.drawer-nav-btn:focus-visible{outline:2px solid var(--brand-accent);outline-offset:2px}.drawer-nav-btn--prev{left:12px}.drawer-nav-btn--next{right:12px}@media (min-width:1024px){.drawer-nav-btn--prev{left:calc(34vw - 20px)}}.drawer-course-card{backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);background:var(--brand-surface);border:1px solid var(--brand-border);border-radius:var(--brand-radius-lg);box-shadow:var(--brand-shadow-card);display:block;overflow:hidden;position:relative;text-decoration:none;transition:transform var(--brand-duration-base) var(--brand-ease-standard),box-shadow var(--brand-duration-base) var(--brand-ease-standard),border-color var(--brand-duration-base) var(--brand-ease-standard);width:220px}.drawer-course-card:hover{border-color:var(--brand-accent);box-shadow:var(--brand-shadow-elevated);transform:translateY(-2px)}.drawer-course-close{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0000004d;border:none;border-radius:var(--brand-radius-full);color:#fff;cursor:pointer;display:flex;height:20px;justify-content:center;opacity:0;position:absolute;right:6px;top:6px;transition:opacity var(--brand-duration-fast) var(--brand-ease-standard);width:20px;z-index:2}.drawer-course-card:hover .drawer-course-close{opacity:1}.drawer-course-close:hover{background:#00000080}.drawer-course-cover{aspect-ratio:16/9;background:var(--brand-surface-2);overflow:hidden;position:relative;width:100%}.drawer-course-cover img{height:100%;-o-object-fit:cover;object-fit:cover;transition:transform var(--brand-duration-base) var(--brand-ease-standard);width:100%}.drawer-course-card:hover .drawer-course-cover img{transform:scale(1.04)}.drawer-course-badge{align-items:center;background:linear-gradient(135deg,#e8835af2,#d25532f7);border-radius:0 0 0 10px;color:#fff;display:flex;font-size:11px;font-weight:700;gap:5px;letter-spacing:.02em;padding:4px 8px;position:absolute;right:0;top:0}.drawer-course-dot{animation:drawer-pulse 2s ease-in-out infinite;background:#fff;border-radius:var(--brand-radius-full);height:6px;width:6px}@keyframes drawer-pulse{0%,to{box-shadow:0 0 #fff9}50%{box-shadow:0 0 0 3px #fff0}}.drawer-course-info{padding:10px 12px 12px;text-align:center}.drawer-course-title{color:var(--brand-text);display:-webkit-box;font-size:13px;font-weight:700;line-height:1.3;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.drawer-course-author{color:var(--brand-text-subtle);font-size:11px;margin-top:2px}.drawer-course-price{align-items:center;display:flex;gap:6px;justify-content:center;margin-top:6px}.drawer-course-current{color:#e8835a;font-size:14px;font-weight:800}.drawer-course-original{color:var(--brand-text-subtle);font-size:11px;text-decoration:line-through}.drawer-float-enter-active{transition:all var(--brand-drawer-duration) var(--brand-drawer-ease);transition-delay:.3s}.drawer-float-leave-active{transition:all .2s ease-in}.drawer-float-enter-from{opacity:0;transform:translateY(16px) scale(.95)}.drawer-float-leave-to{opacity:0;transform:translateY(8px) scale(.98)}