*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}html,body{width:100%;min-height:100vh;min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;color:#333;overflow:hidden;font-size:1rem;line-height:1.6}#app{width:100%;max-width:768px;margin:0 auto;min-height:100vh;min-height:100dvh;position:relative;background-color:#f5f5f5;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}#app::-webkit-scrollbar{display:none}.section,.course-content,.main-content,.course-play,.course-detail,.purchased,.profile,.login,.home{scrollbar-width:none;-ms-overflow-style:none}.section::-webkit-scrollbar,.course-content::-webkit-scrollbar,.main-content::-webkit-scrollbar,.course-play::-webkit-scrollbar,.course-detail::-webkit-scrollbar,.purchased::-webkit-scrollbar,.profile::-webkit-scrollbar,.login::-webkit-scrollbar,.home::-webkit-scrollbar{display:none}@media(min-width:768px){html{font-size:17px}}@media(min-width:1024px){html{font-size:18px}}@media(min-width:1280px){html{font-size:19px}}@media(min-width:1440px){html{font-size:20px}}button{cursor:pointer;border:none;outline:none;font-family:inherit}a{text-decoration:none;color:#333}.loading{display:flex;justify-content:center;align-items:center;height:12.5rem}.loading:after{content:"";width:2rem;height:2rem;border:.1875rem solid #f3f3f3;border-top:.1875rem solid #3498db;border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes skeleton-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton-home{padding:.75rem;background:#f5f5f5;min-height:100vh}.skeleton-banner{width:100%;height:10rem;border-radius:.75rem;margin-bottom:1rem;background:linear-gradient(90deg,#e8e8e8 25%,#f0f0f0,#e8e8e8 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite}.skeleton-tabs{display:flex;gap:.5rem;margin-bottom:1rem;padding:0 .25rem}.skeleton-tab{flex:1;height:2.25rem;border-radius:.5rem;background:linear-gradient(90deg,#e8e8e8 25%,#f0f0f0,#e8e8e8 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite}.skeleton-card{display:flex;gap:.75rem;background:#fff;border-radius:.75rem;padding:.75rem;margin-bottom:.75rem;box-shadow:0 1px 4px #0000000f}.skeleton-card-img{width:5rem;height:3.75rem;border-radius:.5rem;flex-shrink:0;background:linear-gradient(90deg,#e8e8e8 25%,#f0f0f0,#e8e8e8 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite}.skeleton-card-body{flex:1;display:flex;flex-direction:column;justify-content:center;gap:.5rem}.skeleton-line{height:.875rem;border-radius:.25rem;background:linear-gradient(90deg,#e8e8e8 25%,#f0f0f0,#e8e8e8 75%);background-size:200% 100%;animation:skeleton-shimmer 1.5s ease-in-out infinite}.skeleton-line-long{width:85%}.skeleton-line-short{width:50%}.home[data-v-bbee54b9]{background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);padding:.625rem .75rem 80px}.main-content[data-v-bbee54b9]{padding:0;background-color:#f5f5f5}.hero-section[data-v-bbee54b9]{margin-top:.625rem;border-radius:.875rem;overflow:hidden;position:relative}.carousel-container[data-v-bbee54b9]{position:relative;width:100%;aspect-ratio:900/383;max-height:45vh;overflow:hidden;touch-action:pan-y;user-select:none;-webkit-user-select:none}.carousel-layers[data-v-bbee54b9]{position:relative;width:100%;height:100%;overflow:hidden}.hero-image-wrapper[data-v-bbee54b9]{width:100%;height:100%;position:absolute;top:0;left:0;will-change:transform}.layer-current[data-v-bbee54b9]{z-index:2}.layer-next[data-v-bbee54b9]{z-index:1}.carousel-fade-enter-active[data-v-bbee54b9],.carousel-fade-leave-active[data-v-bbee54b9]{transition:opacity .6s ease}.carousel-fade-enter-from[data-v-bbee54b9],.carousel-fade-leave-to[data-v-bbee54b9]{opacity:0}.carousel-cube-enter-active[data-v-bbee54b9],.carousel-cube-leave-active[data-v-bbee54b9]{transition:all .6s ease-in-out}.carousel-cube-enter-from[data-v-bbee54b9]{transform:rotateY(90deg) scale(.8);opacity:0}.carousel-cube-leave-to[data-v-bbee54b9]{transform:rotateY(-90deg) scale(.8);opacity:0}.carousel-flip-enter-active[data-v-bbee54b9],.carousel-flip-leave-active[data-v-bbee54b9]{transition:all .5s ease-in-out}.carousel-flip-enter-from[data-v-bbee54b9]{transform:perspective(600px) rotateY(-180deg);opacity:0}.carousel-flip-leave-to[data-v-bbee54b9]{transform:perspective(600px) rotateY(180deg);opacity:0}.hero-image[data-v-bbee54b9]{width:100%;height:100%;object-fit:cover}.banner-card[data-v-bbee54b9]{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.banner-card[data-v-bbee54b9]:before{content:"";position:absolute;top:-30%;right:-20%;width:60%;height:80%;background:#ffffff14;border-radius:50%;pointer-events:none}.banner-card[data-v-bbee54b9]:after{content:"";position:absolute;bottom:-20%;left:-10%;width:40%;height:60%;background:#ffffff0d;border-radius:50%;pointer-events:none}.banner-card-content[data-v-bbee54b9]{position:relative;z-index:1;text-align:center;padding:1.5rem;width:100%}.banner-card-title[data-v-bbee54b9]{color:#fff;font-size:1.5rem;font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.15);margin-bottom:.5rem;letter-spacing:.02em}.banner-card-subtitle[data-v-bbee54b9]{color:#ffffffd9;font-size:.875rem;text-shadow:0 1px 4px rgba(0,0,0,.1);margin-bottom:1.25rem;line-height:1.4}.banner-card-btn[data-v-bbee54b9]{display:inline-block;padding:.5rem 1.75rem;border:1.5px solid rgba(255,255,255,.5);border-radius:1.5rem;color:#fff;font-size:.8125rem;font-weight:600;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);background:#ffffff1f;text-shadow:0 1px 2px rgba(0,0,0,.1)}.carousel-arrow[data-v-bbee54b9]{position:absolute;top:50%;transform:translateY(-50%);z-index:10;width:2.25rem;height:2.25rem;border-radius:50%;border:none;background:#ffffffbf;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#555;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease,background .2s ease,transform .2s ease;box-shadow:0 1px 4px #00000014}.carousel-arrow svg[data-v-bbee54b9]{width:1rem;height:1rem;stroke-width:2.5}.carousel-arrow-left[data-v-bbee54b9]{left:.625rem}.carousel-arrow-right[data-v-bbee54b9]{right:.625rem}.carousel-container:hover .carousel-arrow[data-v-bbee54b9]{opacity:1}.carousel-arrow[data-v-bbee54b9]:hover{background:#ffffffeb;color:#333;transform:translateY(-50%) scale(1.08)}.carousel-arrow[data-v-bbee54b9]:active{background:#f5f5f5f2;transform:translateY(-50%) scale(.96)}@media(hover:none)and (pointer:coarse){.carousel-arrow[data-v-bbee54b9]{display:none}}.hero-overlay[data-v-bbee54b9]{position:absolute;inset:0;background:linear-gradient(to right,rgba(26,115,232,.8),transparent);display:flex;flex-direction:column;justify-content:center;padding:1rem 1.375rem}.hero-badge[data-v-bbee54b9]{background:#fff3;backdrop-filter:blur(6px);padding:.25rem .75rem;border-radius:9999px;font-size:.6875rem;font-weight:700;color:#fff;width:fit-content;margin-bottom:.5rem;letter-spacing:.03rem;text-transform:uppercase}.hero-title[data-v-bbee54b9]{font-size:1.5rem;font-weight:800;color:#fff;line-height:1.25;max-width:12.5rem;margin-bottom:.5rem}.hero-desc[data-v-bbee54b9]{font-size:.8125rem;color:#ffffffd9;max-width:10.625rem;line-height:1.4}.carousel-dots[data-v-bbee54b9]{position:absolute;bottom:.75rem;left:50%;transform:translate(-50%);display:flex;gap:.3125rem;z-index:10}.carousel-dots .dot[data-v-bbee54b9]{width:.3125rem;height:.3125rem;border-radius:9999px;background:#fff6;transition:all .3s ease;cursor:pointer}.carousel-dots .dot.active[data-v-bbee54b9]{width:1.125rem;background:#fff}.banner-page-modal[data-v-bbee54b9]{position:fixed;inset:0;background:#00000080;z-index:1000;display:flex;align-items:flex-start;justify-content:center;animation:fadeIn-bbee54b9 .2s ease-out}.banner-page-content[data-v-bbee54b9]{background:#fff;width:100%;max-width:500px;max-height:100vh;overflow-y:auto;border-radius:16px 16px 0 0;margin-top:auto;animation:slideUp-bbee54b9 .3s ease-out}.banner-page-header[data-v-bbee54b9]{display:flex;align-items:center;gap:16px;padding:16px 20px;border-bottom:1px solid #f0f0f0;position:sticky;top:0;background:#fff;z-index:1}.back-btn[data-v-bbee54b9]{background:none;border:none;font-size:16px;color:#007aff;cursor:pointer;padding:4px 8px;border-radius:6px}.back-btn[data-v-bbee54b9]:hover{background:#f0f7ff}.banner-page-header h2[data-v-bbee54b9]{font-size:17px;font-weight:700;color:#1d1d1f;margin:0}.banner-page-body[data-v-bbee54b9]{padding:20px;line-height:1.7;font-size:15px;color:#333}.banner-page-body[data-v-bbee54b9] img{max-width:100%;height:auto;border-radius:8px;margin:12px 0}.banner-page-body[data-v-bbee54b9] p{margin-bottom:12px}.banner-page-body[data-v-bbee54b9] h1,.banner-page-body[data-v-bbee54b9] h2,.banner-page-body[data-v-bbee54b9] h3{font-weight:700;margin-top:20px;margin-bottom:12px;color:#1d1d1f}@keyframes fadeIn-bbee54b9{0%{opacity:0}to{opacity:1}}@keyframes slideUp-bbee54b9{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.section[data-v-bbee54b9]{margin-top:1.625rem}.section-header[data-v-bbee54b9]{margin-bottom:.875rem}.section-title[data-v-bbee54b9]{font-size:1.1875rem;font-weight:700;color:#191c1d;letter-spacing:.02rem}.course-tabs[data-v-bbee54b9]{display:flex;overflow-x:auto;gap:.5rem;margin-bottom:.875rem;padding-bottom:.25rem}.course-tabs[data-v-bbee54b9]::-webkit-scrollbar{display:none}.tab-item[data-v-bbee54b9]{flex-shrink:0;padding:.4375rem .875rem;border-radius:9999px;font-size:.875rem;color:#666;background:#f5f5f5;transition:all .3s ease}.tab-item.active[data-v-bbee54b9]{background:#1a73e8;color:#fff;font-weight:700}.course-list[data-v-bbee54b9]{display:flex;flex-direction:column;gap:.875rem;padding-bottom:100px}.course-card[data-v-bbee54b9]{background:#fff;border-radius:.875rem;overflow:hidden;display:flex;padding:.8125rem;gap:.6875rem;align-items:flex-start;transition:all .3s ease;box-shadow:0 2px 8px #0000000f}.course-card[data-v-bbee54b9]:hover{box-shadow:0 4px 16px #0000001a;transform:translateY(-.0625rem)}.course-image-wrapper[data-v-bbee54b9]{width:130px;height:74px;flex-shrink:0;position:relative;border-radius:.6875rem;overflow:hidden}.course-image[data-v-bbee54b9]{width:100%;height:100%;object-fit:cover}.course-info[data-v-bbee54b9]{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:space-between;gap:.4375rem}.course-title[data-v-bbee54b9]{font-size:1rem;font-weight:700;color:#191c1d;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.35}.course-footer[data-v-bbee54b9]{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.course-price[data-v-bbee54b9]{font-size:1.0625rem;font-weight:800;color:#005bbf}.buy-btn[data-v-bbee54b9]{background:linear-gradient(135deg,#1a73e8,#1557b0);color:#fff;padding:.4375rem 1.25rem;border-radius:9999px;font-size:.8125rem;font-weight:700;box-shadow:0 2px 6px #1a73e84d}.buy-btn.purchased[data-v-bbee54b9]{background:linear-gradient(135deg,#34c759,#28a745);box-shadow:0 2px 6px #34c7594d}.word-study-entry[data-v-bbee54b9]{margin-top:.875rem;padding:.875rem 1rem;background:linear-gradient(135deg,#fff,#f8faff);border-radius:.875rem;display:flex;align-items:center;gap:.75rem;cursor:pointer;box-shadow:0 2px 8px #1a73e814;border:1.5px solid rgba(26,115,232,.1);transition:all .25s ease;user-select:none}.word-study-entry[data-v-bbee54b9]:active{transform:scale(.975);box-shadow:0 1px 4px #1a73e81f;background:linear-gradient(135deg,#f0f5ff,#e8f0fe)}.word-study-icon[data-v-bbee54b9]{width:2.75rem;height:2.75rem;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:.75rem;background:linear-gradient(135deg,#e8f0fe,#d2e3fc)}.word-study-icon svg[data-v-bbee54b9]{width:2rem;height:2rem}.word-study-info[data-v-bbee54b9]{flex:1;min-width:0;display:flex;flex-direction:column;gap:.125rem}.word-study-title[data-v-bbee54b9]{font-size:.9375rem;font-weight:700;color:#1a1a2e;letter-spacing:.01em}.word-study-subtitle[data-v-bbee54b9]{font-size:.75rem;color:#888;letter-spacing:.01em}.word-study-arrow[data-v-bbee54b9]{flex-shrink:0;width:1.25rem;height:1.25rem;color:#bbb}.loading-container[data-v-bbee54b9]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.75rem 0}.loading-spinner[data-v-bbee54b9]{width:2rem;height:2rem;border:.1875rem solid #f3f3f3;border-top:.1875rem solid #1a73e8;border-radius:50%;animation:spin-bbee54b9 .9s linear infinite;margin-bottom:.75rem}@keyframes spin-bbee54b9{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text[data-v-bbee54b9]{font-size:.9375rem;color:#666}.empty-container[data-v-bbee54b9]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.75rem 0}.empty-icon[data-v-bbee54b9]{font-size:2.75rem;margin-bottom:.75rem}.empty-text[data-v-bbee54b9]{font-size:.9375rem;color:#999}.popup-overlay[data-v-bbee54b9]{position:fixed;inset:0;background-color:#0009;display:flex;align-items:center;justify-content:center;z-index:9999;padding:1.25rem}.popup-box[data-v-bbee54b9]{background:linear-gradient(180deg,#fff,#f8f9fa);border-radius:1.25rem;padding:2rem 1.75rem;width:85%;max-width:320px;text-align:center;box-shadow:0 10px 40px #0000004d;position:relative;animation:popupBounceIn-bbee54b9 .4s cubic-bezier(.68,-.55,.265,1.55)}@keyframes popupBounceIn-bbee54b9{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.popup-close-btn[data-v-bbee54b9]{position:absolute;top:.625rem;right:.875rem;background:transparent;border:none;font-size:1.75rem;color:#999;cursor:pointer;line-height:1;padding:.25rem;transition:all .2s ease;z-index:1}.popup-close-btn[data-v-bbee54b9]:hover{color:#333;transform:rotate(90deg)}.popup-title[data-v-bbee54b9]{font-size:1.125rem;font-weight:700;color:#333;margin-bottom:1.25rem;line-height:1.4;display:flex;align-items:center;justify-content:center;gap:.375rem}.title-icon[data-v-bbee54b9]{font-size:1.25rem}.popup-qrcode-wrapper[data-v-bbee54b9]{background:#fff;border-radius:.75rem;padding:.875rem;margin-bottom:1rem;border:2px dashed #e0e0e0;min-height:200px;display:flex;align-items:center;justify-content:center}.popup-qrcode-img[data-v-bbee54b9]{max-width:100%;height:auto;border-radius:.5rem;object-fit:contain}.popup-placeholder[data-v-bbee54b9]{display:flex;flex-direction:column;align-items:center;justify-content:center;color:#999;font-size:.875rem;gap:.5rem}.popup-placeholder span[data-v-bbee54b9]:first-child{font-size:2rem}.popup-tip[data-v-bbee54b9]{font-size:.875rem;color:#666;line-height:1.6;display:flex;flex-direction:column;gap:.25rem}.fade-enter-active[data-v-bbee54b9],.fade-leave-active[data-v-bbee54b9]{transition:opacity .3s ease}.fade-enter-from[data-v-bbee54b9],.fade-leave-to[data-v-bbee54b9]{opacity:0}.hero-image[data-v-bbee54b9]{will-change:transform,opacity;backface-visibility:hidden;-webkit-font-smoothing:antialiased}.hero-image-wrapper[data-v-bbee54b9]{contain:layout style paint}.layer-current .hero-image[data-v-bbee54b9],.layer-next .hero-image[data-v-bbee54b9]{image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}.course-detail[data-v-df00785d]{background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);height:100vh;position:relative;overflow-x:hidden;overflow-y:clip}.main-content[data-v-df00785d]{padding:0}.fixed-header[data-v-df00785d]{position:sticky;top:0;z-index:10;background:#f5f5f5;padding:16px .75rem 0}.course-header[data-v-df00785d]{position:relative;display:flex;align-items:center;margin:0 0 1.125rem;padding:.8125rem;background:#fff;border-radius:.875rem;box-shadow:0 2px 8px #0000000f}.course-cover[data-v-df00785d]{width:130px;height:74px;flex-shrink:0;position:relative;border-radius:.6875rem;overflow:hidden;margin-right:.75rem}.cover-image[data-v-df00785d]{width:100%;height:100%;object-fit:cover}.course-info[data-v-df00785d]{flex:1}.course-title[data-v-df00785d]{font-size:1.125rem;font-weight:700;color:#333;margin-bottom:.375rem;line-height:1.35}.course-tabs[data-v-df00785d]{display:flex;margin:0 0 .875rem;border-radius:.5rem;background:#f5f5f5;overflow:hidden}.tab-item[data-v-df00785d]{flex:1;text-align:center;padding:.625rem 0;font-size:.9375rem;color:#666;transition:all .3s ease}.tab-item.active[data-v-df00785d]{background:#1a73e8;color:#fff;font-weight:700}.detail-content[data-v-df00785d]{margin:1.125rem 0}.detail-placeholder[data-v-df00785d]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.75rem 0;text-align:center}.placeholder-icon[data-v-df00785d]{font-size:2.75rem;margin-bottom:.75rem}.placeholder-text[data-v-df00785d]{font-size:.9375rem;color:#999;line-height:1.5}.scrollable-content[data-v-df00785d]{height:calc(100vh - 140px);overflow-y:auto;padding:.5rem .75rem 120px;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none}.scrollable-content[data-v-df00785d]::-webkit-scrollbar{display:none}.course-content[data-v-df00785d]{margin-bottom:1.125rem;display:flex;flex-direction:column}.section[data-v-df00785d]{margin-bottom:.875rem}.section[data-v-df00785d]:last-child{margin-bottom:0}.section-header[data-v-df00785d]{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.125rem 1rem 1.25rem;background:linear-gradient(135deg,#fff,#f8fbff);border-radius:.875rem;margin-bottom:.5rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 12px #1a73e814;border-left:4px solid transparent;position:relative;overflow:hidden}.section-header[data-v-df00785d]:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#1a73e8,#4da3ff);border-radius:.875rem 0 0 .875rem;transition:width .3s ease}.section-header[data-v-df00785d]:hover{transform:translateY(-1px);box-shadow:0 6px 20px #1a73e824;background:linear-gradient(135deg,#fff,#eef5ff)}.section-header[data-v-df00785d]:hover:before{width:6px}.section-header[data-v-df00785d]:active{transform:translateY(0) scale(.99);box-shadow:0 2px 8px #1a73e81f}.section-title[data-v-df00785d]{font-size:1.03125rem;font-weight:700;color:#1a2027;flex:1;display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;margin:0;letter-spacing:.01em;min-width:0}.last-learned[data-v-df00785d]{font-size:.6875rem;color:#fff;padding:.1875rem .5625rem;background:linear-gradient(135deg,#ff9800,#f57c00);border-radius:9999px;font-weight:600;letter-spacing:.02em;box-shadow:0 2px 6px #ff98004d;animation:lastLearned-pulse-df00785d 2.5s ease-in-out infinite;flex-shrink:0;white-space:nowrap}@keyframes lastLearned-pulse-df00785d{0%,to{box-shadow:0 2px 6px #ff98004d}50%{box-shadow:0 2px 10px #ff980080}}.section-toggle[data-v-df00785d]{width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:#1a73e8;font-weight:400;transition:all .35s cubic-bezier(.4,0,.2,1);margin-left:.75rem;flex-shrink:0;background:#1a73e814;border-radius:50%}.section-toggle.open[data-v-df00785d]{background:#1a73e826}.section-content[data-v-df00785d]{margin-left:0;margin-top:0;background:linear-gradient(180deg,#fff,#fafcff);border-radius:0 0 .875rem .875rem;overflow:hidden;border:none;padding:0;box-shadow:0 3px 14px #1a73e80f;animation:sectionSlideDown-df00785d .3s ease}@keyframes sectionSlideDown-df00785d{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.lesson-item[data-v-df00785d]{padding:.875rem 1.125rem .875rem 1.25rem;border-bottom:1px solid rgba(26,115,232,.05);transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;justify-content:space-between;align-items:center;cursor:pointer;position:relative}.lesson-item[data-v-df00785d]:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:linear-gradient(180deg,#1a73e8,#4da3ff);border-radius:2px;transition:height .25s ease}.lesson-item[data-v-df00785d]:hover{background:linear-gradient(90deg,rgba(26,115,232,.04) 0%,transparent 100%);padding-left:1.5rem}.lesson-item[data-v-df00785d]:hover:before{height:60%}.lesson-item[data-v-df00785d]:first-child{border-radius:.875rem .875rem 0 0}.lesson-item[data-v-df00785d]:last-child{border-bottom:none;border-radius:0 0 .875rem .875rem}.lesson-item[data-v-df00785d]:active{background:#1a73e814}.lesson-item.active[data-v-df00785d]{background:#e3f2fd}.lesson-info[data-v-df00785d]{display:flex;align-items:center;flex:1}.lesson-number[data-v-df00785d]{width:2rem;height:2rem;font-size:.8125rem;font-weight:700;color:#1a73e8;margin-right:.875rem;min-width:2rem;text-align:center;background:linear-gradient(135deg,#e8f1ff,#d4e7ff);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px #1a73e81f;transition:all .3s ease}.lesson-item:hover .lesson-number[data-v-df00785d]{background:linear-gradient(135deg,#1a73e8,#1565c0);color:#fff;transform:scale(1.08);box-shadow:0 3px 10px #1a73e840}.lesson-content[data-v-df00785d]{flex:1}.lesson-title[data-v-df00785d]{font-size:.9375rem;color:#2a2e35;line-height:1.45;margin-bottom:.375rem;font-weight:500}.lesson-meta[data-v-df00785d]{display:flex;align-items:center;gap:.4375rem;margin-top:.25rem}.lesson-type[data-v-df00785d]{font-size:.6875rem;color:#888;padding:.1875rem .5rem;background:linear-gradient(135deg,#f5f5f5,#ebebeb);border-radius:9999px;letter-spacing:.02em;font-weight:500}.lesson-type.type-checkin[data-v-df00785d]{background:linear-gradient(135deg,#e3f2fd,#bbdefb);color:#1565c0;font-weight:600;box-shadow:0 1px 4px #1a73e826}.lesson-duration[data-v-df00785d]{font-size:.6875rem;color:#aaa}.loading-container[data-v-df00785d]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4.375rem 0}.loading-text[data-v-df00785d]{font-size:.9375rem;color:#999}.empty-container[data-v-df00785d]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4.375rem 0}.empty-icon[data-v-df00785d]{font-size:2.75rem;margin-bottom:.75rem}.empty-text[data-v-df00785d]{font-size:.9375rem;color:#999}.activate-button-container[data-v-df00785d]{position:fixed;bottom:80px;left:50%;transform:translate(-50%);width:100%;max-width:768px;padding:.75rem 1.125rem;box-sizing:border-box;z-index:100}.activate-button[data-v-df00785d]{width:fit-content;min-width:200px;max-width:50%;height:3rem;background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff;font-size:1.0625rem;font-weight:700;border-radius:1.5rem;border:none;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 10px #1a73e859;margin:0 auto;padding:0 2rem}.activate-button[data-v-df00785d]:active{opacity:.9;transform:scale(.98)}.dialog-overlay[data-v-df00785d]{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000}.dialog-box[data-v-df00785d]{width:17.5rem;background:#fff;border-radius:.75rem;overflow:hidden;animation:slideIn-df00785d .3s ease}@keyframes slideIn-df00785d{0%{transform:translateY(3.125rem);opacity:0}to{transform:translateY(0);opacity:1}}.dialog-header[data-v-df00785d]{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid #f0f0f0}.dialog-title[data-v-df00785d]{font-size:1.0625rem;font-weight:700;color:#333}.dialog-close[data-v-df00785d]{font-size:1.5rem;color:#999;line-height:1;padding:0 .25rem}.dialog-body[data-v-df00785d]{padding:1.25rem 1rem}.input-group[data-v-df00785d]{width:100%}.input-label[data-v-df00785d]{display:block;font-size:.875rem;color:#666;margin-bottom:.5rem}.activation-input[data-v-df00785d]{width:100%;height:2.75rem;border:1px solid #e0e0e0;border-radius:.375rem;padding:0 .75rem;font-size:1rem;text-align:center;letter-spacing:.25rem;background:#fafafa;box-sizing:border-box}.activation-input[data-v-df00785d]:focus{border-color:#1a73e8;background:#fff;outline:none}.dialog-footer[data-v-df00785d]{display:flex;padding:.75rem 1rem 1rem;gap:.625rem}.dialog-btn[data-v-df00785d]{flex:1;height:2.5rem;border-radius:.5rem;font-size:.9375rem;border:none}.dialog-btn.cancel[data-v-df00785d]{background:#f5f5f5;color:#666}.dialog-btn.confirm[data-v-df00785d]{background:linear-gradient(135deg,#1a73e8,#0d47a1);color:#fff}.dialog-btn[disabled][data-v-df00785d]{opacity:.6}.login-prompt-body[data-v-df00785d]{display:flex;flex-direction:column;align-items:center;padding:1.5rem 1rem}.login-prompt-icon[data-v-df00785d]{font-size:3rem;margin-bottom:.75rem}.login-prompt-text[data-v-df00785d]{font-size:.9375rem;color:#666;text-align:center}.wechat-login-dialog-btn[data-v-df00785d]{background:linear-gradient(135deg,#07c160,#06ae56);color:#fff}.wechat-login-dialog-btn[data-v-df00785d]:active{opacity:.9}.success-overlay[data-v-df00785d]{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:5000;animation:successOverlayIn-df00785d .3s ease}@keyframes successOverlayIn-df00785d{0%{opacity:0}to{opacity:1}}.fireworks-canvas[data-v-df00785d]{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:20}.success-dialog-box[data-v-df00785d]{position:relative;width:20rem;background:#fff;border-radius:1.5rem;overflow:visible;padding:2rem 1.5rem 1.75rem;text-align:center;z-index:10;animation:successBounceIn-df00785d .6s cubic-bezier(.34,1.56,.64,1);box-shadow:0 20px 60px #00000040,0 0 40px #ffc10726}@keyframes successBounceIn-df00785d{0%{transform:scale(.4) translateY(30px);opacity:0}50%{transform:scale(1.05) translateY(-10px)}70%{transform:scale(.98) translateY(5px)}to{transform:scale(1) translateY(0);opacity:1}}.success-icon-wrap[data-v-df00785d]{position:relative;display:flex;justify-content:center;margin-bottom:1.25rem}.success-circle[data-v-df00785d]{width:5rem;height:5rem;border-radius:50%;background:linear-gradient(135deg,#4caf50,#45a049);display:flex;align-items:center;justify-content:center;position:relative;z-index:2;box-shadow:0 8px 24px #4caf5059,inset 0 -3px 8px #00000026;animation:circlePulse-df00785d 2s ease-in-out infinite}@keyframes circlePulse-df00785d{0%,to{transform:scale(1);box-shadow:0 8px 24px #4caf5059}50%{transform:scale(1.05);box-shadow:0 12px 32px #4caf5073}}.success-checkmark[data-v-df00785d]{font-size:2.5rem;color:#fff;font-weight:700;line-height:1;animation:checkmarkPop-df00785d .5s ease .3s both}@keyframes checkmarkPop-df00785d{0%{transform:scale(0)}70%{transform:scale(1.25)}to{transform:scale(1)}}.success-sparkles[data-v-df00785d]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:8rem;height:8rem;pointer-events:none}.sparkle[data-v-df00785d]{position:absolute;font-size:1.5rem;animation:sparkleFloat-df00785d 2s ease-in-out infinite}.sparkle-1[data-v-df00785d]{top:0;left:50%;transform:translate(-50%);animation-delay:0s}.sparkle-2[data-v-df00785d]{top:15%;right:0;animation-delay:.3s}.sparkle-3[data-v-df00785d]{bottom:15%;right:0;animation-delay:.6s}.sparkle-4[data-v-df00785d]{top:15%;left:0;animation-delay:.9s}@keyframes sparkleFloat-df00785d{0%,to{transform:translateY(0) rotate(0);opacity:1}50%{transform:translateY(-12px) rotate(180deg);opacity:.7}}.success-title[data-v-df00785d]{font-size:1.5rem;font-weight:700;color:#2e7d32;margin-bottom:.5rem;letter-spacing:.02em;animation:titleSlideUp-df00785d .5s ease .2s both}@keyframes titleSlideUp-df00785d{0%{transform:translateY(15px);opacity:0}to{transform:translateY(0);opacity:1}}.success-subtitle[data-v-df00785d]{font-size:.875rem;color:#666;margin-bottom:1.25rem;animation:subtitleSlideUp-df00785d .5s ease .35s both;text-align:center;line-height:1.6}.success-subtitle-highlight[data-v-df00785d]{display:inline-block;margin-top:2px;color:#e65100;font-weight:700;font-size:.8125rem}@keyframes subtitleSlideUp-df00785d{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.success-info-card[data-v-df00785d]{background:linear-gradient(135deg,#f8f9ff,#eef2ff);border-radius:1rem;padding:1.125rem 1.25rem;border:1.5px solid rgba(26,115,232,.12);margin-bottom:1.25rem;animation:cardSlideUp-df00785d .5s ease .45s both}@keyframes cardSlideUp-df00785d{0%{transform:translateY(15px);opacity:0}to{transform:translateY(0);opacity:1}}.info-row-vertical[data-v-df00785d]{display:flex;align-items:center;gap:.875rem}.info-icon-large[data-v-df00785d]{font-size:2rem;flex-shrink:0}.info-text-block[data-v-df00785d]{flex:1;text-align:left}.info-line-1[data-v-df00785d]{font-size:.875rem;color:#666;margin-bottom:.25rem;line-height:1.4}.info-line-2[data-v-df00785d]{font-size:1.0625rem;color:#333;font-weight:500;line-height:1.4}.info-line-2 strong[data-v-df00785d]{color:#1a73e8;font-size:1.25rem;font-weight:700;margin:0 .125rem}.info-exhausted .info-text-block[data-v-df00785d]{text-align:center}.info-warn-text[data-v-df00785d]{color:#e65100!important;font-size:.9375rem!important}.info-divider[data-v-df00785d]{height:1px;background:linear-gradient(90deg,transparent,rgba(26,115,232,.15),transparent);margin:.875rem 0}.info-hint[data-v-df00785d]{font-size:.8125rem;color:#888;text-align:center}.info-hint-red[data-v-df00785d]{font-size:.875rem;color:#e53935;text-align:center;font-weight:700}.success-confirm-btn[data-v-df00785d]{width:100%;height:3rem;background:linear-gradient(135deg,#4caf50,#388e3c);color:#fff;font-size:1.0625rem;font-weight:700;border:none;border-radius:1.5rem;cursor:pointer;box-shadow:0 4px 16px #4caf5059,inset 0 1px #fff3;transition:all .25s ease;animation:btnSlideUp-df00785d .5s ease .55s both;position:relative;overflow:hidden}@keyframes btnSlideUp-df00785d{0%{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.success-confirm-btn[data-v-df00785d]:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);transition:left .5s ease}.success-confirm-btn[data-v-df00785d]:hover:before{left:100%}.success-confirm-btn[data-v-df00785d]:active{transform:scale(.97);box-shadow:0 2px 10px #4caf504d}.customer-service-fab[data-v-df00785d]{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:.3rem;cursor:pointer;z-index:10;transition:transform .3s ease}.customer-service-fab[data-v-df00785d]:hover,.customer-service-fab[data-v-df00785d]:active{transform:translateY(-50%) scale(1.08)}.fab-hint[data-v-df00785d]{display:flex;flex-direction:column;align-items:center;gap:.0625rem;font-size:.6875rem;color:#07c160;font-weight:500;line-height:1.2}.fab-icon[data-v-df00785d]{width:2.5rem;height:2.5rem;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(0,0,0,.15));animation:fab-bounce-df00785d 2.2s ease-in-out infinite}@keyframes fab-bounce-df00785d{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.qrcode-overlay[data-v-df00785d]{position:fixed;inset:0;background-color:#0000008c;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.qrcode-popup[data-v-df00785d]{position:relative;background:#fff;border-radius:1.25rem;padding:1.75rem 1.5rem 1.25rem;max-width:360px;width:90vw;text-align:center;box-shadow:0 12px 40px #0000002e;animation:popup-up-df00785d .3s ease-out}@keyframes popup-up-df00785d{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.close-btn[data-v-df00785d]{position:absolute;top:.625rem;right:.75rem;width:1.875rem;height:1.875rem;border:none;background:#f0f0f0;border-radius:50%;font-size:1.125rem;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:all .2s ease}.close-btn[data-v-df00785d]:hover{background:#e0e0e0;color:#333}.popup-title[data-v-df00785d]{display:flex;align-items:center;justify-content:center;gap:.375rem;font-size:1.0625rem;font-weight:700;color:#e53935;margin-bottom:.875rem;line-height:1.4}.title-icon[data-v-df00785d]{font-size:1.25rem}.qrcode-img[data-v-df00785d]{width:min(300px,80vw);height:auto;object-fit:contain;display:block;margin:0 auto 1rem}.qrcode-tip[data-v-df00785d]{display:flex;flex-direction:column;align-items:center;gap:.25rem;font-size:.875rem;color:#666;margin:0;line-height:1.5}.fade-enter-active[data-v-df00785d],.fade-leave-active[data-v-df00785d]{transition:opacity .25s ease}.fade-enter-from[data-v-df00785d],.fade-leave-to[data-v-df00785d]{opacity:0}@media screen and (max-width:375px){.qrcode-popup[data-v-df00785d]{padding:1.25rem 1rem 1rem;width:92vw;border-radius:1rem}.popup-title[data-v-df00785d]{font-size:.9375rem;gap:.25rem}.title-icon[data-v-df00785d]{font-size:1.0625rem}.qrcode-img[data-v-df00785d]{width:min(260px,78vw)}}.course-play[data-v-5ac61b28]{width:100%;height:100vh;display:flex;flex-direction:column;overflow:hidden;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5)}.container[data-v-5ac61b28]{width:100%;height:100%;display:flex;flex-direction:column;overflow:hidden}.video-wrapper[data-v-5ac61b28]{width:100%;position:sticky;top:0;z-index:99;background:#000;flex-shrink:0}.video-wrapper.is-fullscreen[data-v-5ac61b28]{position:fixed!important;top:0!important;left:0!important;width:100vw!important;height:100vh!important;z-index:99999!important}.video-container[data-v-5ac61b28]{width:100%;position:relative;background:#000}.video-wrapper.is-fullscreen .video-container[data-v-5ac61b28]{width:100vw;height:100vh}video[data-v-5ac61b28]{width:100%;display:block;max-height:70vh;object-fit:contain}.video-wrapper.is-fullscreen video[data-v-5ac61b28]{width:100vw!important;height:100vh!important;max-height:none!important;object-fit:fill!important}video[data-v-5ac61b28]::-webkit-media-controls-enclosure{overflow:hidden}video[data-v-5ac61b28]::-webkit-media-controls-panel{position:relative}video[data-v-5ac61b28]::-webkit-media-controls-download-button{display:none}video[data-v-5ac61b28]::-webkit-media-controls-fullscreen-button{display:inline-block}.watermark-overlay[data-v-5ac61b28]{position:absolute;inset:0;pointer-events:none;overflow:hidden}.cast-button[data-v-5ac61b28]{position:absolute;top:12px;right:12px;z-index:10;width:36px;height:36px;border-radius:8px;border:none;background:#0000008c;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .25s ease;padding:0;outline:none;-webkit-tap-highlight-color:transparent}.cast-button[data-v-5ac61b28]:hover{background:#000000bf;transform:scale(1.08)}.cast-button[data-v-5ac61b28]:active{transform:scale(.95)}.cast-button.is-casting[data-v-5ac61b28]{background:#1a73e8d9;box-shadow:0 0 12px #1a73e880;animation:castPulse-5ac61b28 2s ease-in-out infinite}.cast-button.is-searching[data-v-5ac61b28]{background:#ff9800d9;box-shadow:0 0 12px #ff980080}.cast-icon[data-v-5ac61b28]{width:20px;height:20px;color:#fff;transition:color .2s}.cast-button.is-casting .cast-icon[data-v-5ac61b28]{color:#fff}@keyframes castPulse-5ac61b28{0%,to{box-shadow:0 0 8px #1a73e866}50%{box-shadow:0 0 16px #1a73e8b3}}.watermark-text[data-v-5ac61b28]{position:absolute;color:#ffffff1a;font-size:1.0625rem;white-space:nowrap;transform:rotate(-20deg);user-select:none}.watermark-overlay[data-v-5ac61b28]:before,.watermark-overlay[data-v-5ac61b28]:after{content:attr(data-watermark);position:absolute;color:#ffffff1a;font-size:1.0625rem;white-space:nowrap;transform:rotate(-20deg);user-select:none}.loading[data-v-5ac61b28]{width:100%;height:13.125rem;background:#000;display:flex;align-items:center;justify-content:center}.loading-text[data-v-5ac61b28]{color:#fff9;font-size:.875rem;letter-spacing:.12rem;animation:pulseText-5ac61b28 1.6s ease-in-out infinite}.catalog[data-v-5ac61b28]{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:1rem .75rem 120px;box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}.catalog[data-v-5ac61b28]::-webkit-scrollbar{display:none}.section[data-v-5ac61b28]{margin-bottom:.875rem}.section[data-v-5ac61b28]:last-child{margin-bottom:0}.section-header[data-v-5ac61b28]{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.125rem 1rem 1.25rem;background:linear-gradient(135deg,#fff,#f8fbff);border-radius:.875rem;margin-bottom:.5rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 12px #1a73e814;border-left:4px solid transparent;position:relative;overflow:hidden}.section-header[data-v-5ac61b28]:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#1a73e8,#4da3ff);border-radius:.875rem 0 0 .875rem;transition:width .3s ease}.section-header[data-v-5ac61b28]:hover{transform:translateY(-1px);box-shadow:0 6px 20px #1a73e824;background:linear-gradient(135deg,#fff,#eef5ff)}.section-header[data-v-5ac61b28]:hover:before{width:6px}.section-header[data-v-5ac61b28]:active{transform:translateY(0) scale(.99);box-shadow:0 2px 8px #1a73e81f}.section-title[data-v-5ac61b28]{font-size:1.03125rem;font-weight:700;color:#1a2027;flex:1;display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;margin:0;letter-spacing:.01em;min-width:0}.last-learned[data-v-5ac61b28]{font-size:.6875rem;color:#fff;padding:.1875rem .5625rem;background:linear-gradient(135deg,#ff9800,#f57c00);border-radius:9999px;font-weight:600;letter-spacing:.02em;box-shadow:0 2px 6px #ff98004d;animation:lastLearned-pulse-5ac61b28 2.5s ease-in-out infinite;flex-shrink:0;white-space:nowrap}@keyframes lastLearned-pulse-5ac61b28{0%,to{box-shadow:0 2px 6px #ff98004d}50%{box-shadow:0 2px 10px #ff980080}}.section-toggle[data-v-5ac61b28]{width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:#1a73e8;font-weight:400;transition:all .35s cubic-bezier(.4,0,.2,1);margin-left:.75rem;flex-shrink:0;background:#1a73e814;border-radius:50%}.section-toggle.open[data-v-5ac61b28]{background:#1a73e826}.section-content[data-v-5ac61b28]{margin-left:0;margin-top:0;background:linear-gradient(180deg,#fff,#fafcff);border-radius:0 0 .875rem .875rem;overflow:hidden;border:none;padding:0;box-shadow:0 3px 14px #1a73e80f;animation:sectionSlideDown-5ac61b28 .3s ease}@keyframes sectionSlideDown-5ac61b28{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.lesson-item[data-v-5ac61b28]{padding:.875rem 1.125rem .875rem 1.25rem;border-bottom:1px solid rgba(26,115,232,.05);transition:all .25s cubic-bezier(.4,0,.2,1);display:flex;justify-content:space-between;align-items:center;cursor:pointer;position:relative}.lesson-item[data-v-5ac61b28]:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;background:linear-gradient(180deg,#1a73e8,#4da3ff);border-radius:2px;transition:height .25s ease}.lesson-item[data-v-5ac61b28]:hover{background:linear-gradient(90deg,rgba(26,115,232,.04) 0%,transparent 100%);padding-left:1.5rem}.lesson-item[data-v-5ac61b28]:hover:before{height:60%}.lesson-item[data-v-5ac61b28]:first-child{border-radius:.875rem .875rem 0 0}.lesson-item[data-v-5ac61b28]:last-child{border-bottom:none;border-radius:0 0 .875rem .875rem}.lesson-item[data-v-5ac61b28]:active{background:#1a73e814}.lesson-item.active[data-v-5ac61b28]{background:#e3f2fd}.lesson-info[data-v-5ac61b28]{display:flex;align-items:center;flex:1}.lesson-number[data-v-5ac61b28]{width:2rem;height:2rem;font-size:.8125rem;font-weight:700;color:#1a73e8;margin-right:.875rem;min-width:2rem;text-align:center;background:linear-gradient(135deg,#e8f1ff,#d4e7ff);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 6px #1a73e81f;transition:all .3s ease}.lesson-item:hover .lesson-number[data-v-5ac61b28]{background:linear-gradient(135deg,#1a73e8,#1565c0);color:#fff;transform:scale(1.08);box-shadow:0 3px 10px #1a73e840}.lesson-content[data-v-5ac61b28]{flex:1}.lesson-title[data-v-5ac61b28]{font-size:.9375rem;color:#2a2e35;line-height:1.45;margin-bottom:.375rem;font-weight:500}.lesson-meta[data-v-5ac61b28]{display:flex;align-items:center;gap:.4375rem;margin-top:.25rem}.lesson-type[data-v-5ac61b28]{font-size:.6875rem;color:#888;padding:.1875rem .5rem;background:linear-gradient(135deg,#f5f5f5,#ebebeb);border-radius:9999px;letter-spacing:.02em;font-weight:500}.lesson-type.type-checkin[data-v-5ac61b28]{background:linear-gradient(135deg,#e3f2fd,#bbdefb);color:#1565c0;font-weight:600;box-shadow:0 1px 4px #1a73e826}.lesson-duration[data-v-5ac61b28]{font-size:.6875rem;color:#aaa}@keyframes pulseText-5ac61b28{0%,to{opacity:.4}50%{opacity:1}}.purchased[data-v-62c3e253]{padding:1.125rem 0 80px;min-height:100vh;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5)}.container[data-v-62c3e253]{width:100%;padding:0 .75rem}.page-title[data-v-62c3e253]{font-size:1.25rem;font-weight:600;margin-bottom:1.125rem;color:#333}.login-prompt[data-v-62c3e253]{background-color:#fff;border-radius:.875rem;padding:2.25rem 1.5rem;text-align:center;box-shadow:0 2px 8px #0000000f}.empty-icon[data-v-62c3e253]{font-size:2.75rem;margin-bottom:.75rem}.login-prompt p[data-v-62c3e253]{font-size:1.03125rem;margin-bottom:1.25rem;color:#666;line-height:1.5}.login-btn[data-v-62c3e253]{padding:.8125rem 2rem;background:linear-gradient(135deg,#1a73e8,#1557b0);color:#fff;border:none;border-radius:9999px;font-size:1.03125rem;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 6px #1a73e84d}.login-btn[data-v-62c3e253]:hover{transform:translateY(-.0625rem)}.loading-container[data-v-62c3e253]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3.75rem 0}.loading-spinner[data-v-62c3e253]{width:2rem;height:2rem;border:.1875rem solid #f3f3f3;border-top:.1875rem solid #34c759;border-radius:50%;animation:spin-62c3e253 .9s linear infinite;margin-bottom:.75rem}@keyframes spin-62c3e253{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text[data-v-62c3e253]{font-size:.9375rem;color:#666}.empty-state[data-v-62c3e253]{background-color:#fff;border-radius:.875rem;padding:2.25rem 1.5rem;text-align:center;box-shadow:0 2px 8px #0000000f}.empty-state p[data-v-62c3e253]{font-size:1.03125rem;color:#666;line-height:1.5}.empty-hint[data-v-62c3e253]{font-size:.875rem!important;color:#999!important;margin-top:.5rem}.course-grid[data-v-62c3e253]{display:flex;flex-direction:column;gap:.875rem;padding-bottom:100px}.course-card[data-v-62c3e253]{background:#fff;border-radius:.875rem;overflow:hidden;display:flex;padding:.937rem;gap:.875rem;align-items:center;transition:all .3s ease;box-shadow:0 2px 8px #0000000f;cursor:pointer;position:relative}.course-card[data-v-62c3e253]:hover{transform:translateY(-.1875rem);box-shadow:0 4px 16px #0000001a}.course-image-wrapper[data-v-62c3e253]{width:130px;height:74px;flex-shrink:0;position:relative;border-radius:.6875rem;overflow:hidden;display:flex;align-items:center;justify-content:center}.course-image-wrapper img[data-v-62c3e253]{width:100%;height:100%;object-fit:cover;object-position:center center}.content[data-v-62c3e253]{flex:1;display:flex;flex-direction:column;justify-content:space-between;padding:.25rem 0}.content h3[data-v-62c3e253]{font-size:1.0625rem;font-weight:600;color:#191c1d;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.35;margin-bottom:.5rem}.category[data-v-62c3e253]{font-size:.8125rem;color:#888;margin-bottom:.5rem}.course-footer[data-v-62c3e253]{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.activate-info[data-v-62c3e253]{font-size:.75rem;color:#999}.purchased-tag[data-v-62c3e253]{background:linear-gradient(135deg,#34c759,#28a745);color:#fff;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:700;box-shadow:0 2px 6px #34c7594d;position:absolute;right:.937rem;top:50%;transform:translateY(-50%)}.wechat-banner[data-v-62c3e253]{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,#e8f5e9,#f1f8e9,#fff8e1);border:1.5px solid rgba(76,175,80,.3);border-radius:.875rem;padding:.875rem 1rem;margin-bottom:1rem;cursor:pointer;transition:all .25s ease;animation:banner-shine-62c3e253 3s ease-in-out infinite;box-shadow:0 2px 12px #4caf501f}.wechat-banner[data-v-62c3e253]:hover{transform:translateY(-2px);box-shadow:0 4px 20px #4caf5038;border-color:#4caf508c}.wechat-banner[data-v-62c3e253]:active{transform:scale(.98)}@keyframes banner-shine-62c3e253{0%,to{box-shadow:0 2px 12px #4caf501f}50%{box-shadow:0 4px 20px #4caf5040}}.banner-left[data-v-62c3e253]{display:flex;align-items:center;gap:.75rem;flex:1;min-width:0}.banner-icon[data-v-62c3e253]{flex-shrink:0;line-height:1}.banner-icon-img[data-v-62c3e253]{width:2.5rem;height:2.5rem;object-fit:contain}.banner-text[data-v-62c3e253]{display:flex;flex-direction:column;gap:.15rem;min-width:0}.banner-main[data-v-62c3e253]{font-size:.9375rem;font-weight:700;color:#2e7d32;line-height:1.35}.banner-main .highlight[data-v-62c3e253]{color:#e53935;position:relative}.banner-sub[data-v-62c3e253]{font-size:.75rem;color:#666;line-height:1.3}.banner-right[data-v-62c3e253]{flex-shrink:0;display:flex;align-items:center}.banner-arrow[data-v-62c3e253]{font-size:.8125rem;color:#07c160;font-weight:600;white-space:nowrap;padding:.375rem .625rem;background:#07c16014;border-radius:9999px}.qrcode-overlay[data-v-62c3e253]{position:fixed;inset:0;background-color:#0000008c;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.qrcode-popup[data-v-62c3e253]{position:relative;background:#fff;border-radius:1.25rem;padding:1.75rem 1.5rem 1.25rem;max-width:360px;width:90vw;text-align:center;box-shadow:0 12px 40px #0000002e;animation:popup-up-62c3e253 .3s ease-out}@keyframes popup-up-62c3e253{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.close-btn[data-v-62c3e253]{position:absolute;top:.625rem;right:.75rem;width:1.875rem;height:1.875rem;border:none;background:#f0f0f0;border-radius:50%;font-size:1.125rem;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:all .2s ease}.close-btn[data-v-62c3e253]:hover{background:#e0e0e0;color:#333}.popup-title[data-v-62c3e253]{display:flex;align-items:center;justify-content:center;gap:.375rem;font-size:1.0625rem;font-weight:700;color:#e53935;margin-bottom:.875rem;line-height:1.4}.title-icon[data-v-62c3e253]{font-size:1.25rem}.qrcode-img[data-v-62c3e253]{width:min(300px,80vw);height:auto;object-fit:contain;display:block;margin:0 auto 1rem}.qrcode-tip[data-v-62c3e253]{display:flex;flex-direction:column;align-items:center;gap:.25rem;font-size:.875rem;color:#1a73e8;margin:0;line-height:1.5}.fade-enter-active[data-v-62c3e253],.fade-leave-active[data-v-62c3e253]{transition:opacity .25s ease}.fade-enter-from[data-v-62c3e253],.fade-leave-to[data-v-62c3e253]{opacity:0}@media screen and (max-width:375px){.qrcode-popup[data-v-62c3e253]{padding:1.25rem 1rem 1rem;width:92vw;border-radius:1rem}.popup-title[data-v-62c3e253]{font-size:.9375rem;gap:.25rem}.title-icon[data-v-62c3e253]{font-size:1.0625rem}.qrcode-img[data-v-62c3e253]{width:min(260px,78vw)}}@media screen and (max-width:320px){.qrcode-popup[data-v-62c3e253]{padding:1rem .75rem .875rem;width:94vw}.popup-title[data-v-62c3e253]{font-size:.8125rem}.qrcode-img[data-v-62c3e253]{width:min(220px,76vw)}.qrcode-tip[data-v-62c3e253]{font-size:.8125rem}.close-btn[data-v-62c3e253]{width:1.5rem;height:1.5rem;top:.5rem;right:.5rem;font-size:1rem}}.profile-container[data-v-329d41c4]{background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);min-height:100vh}.main-content[data-v-329d41c4]{padding:.625rem .75rem 0;padding-bottom:80px}.profile-section[data-v-329d41c4]{margin-bottom:1.625rem}.profile-card[data-v-329d41c4]{border-radius:.875rem;background:#fff;padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:1.25rem;position:relative;overflow:hidden;box-shadow:0 2px 8px #0000000d}.decor-bg[data-v-329d41c4]{position:absolute;top:0;right:0;width:200px;height:200px;background:#1a73e80d;border-radius:9999px;margin-right:-60px;margin-top:-60px;filter:blur(24px)}.avatar-wrapper[data-v-329d41c4]{position:relative;z-index:10;display:flex;justify-content:center;align-items:center}.avatar-ring[data-v-329d41c4]{width:80px;height:80px;border-radius:9999px;padding:3px;background:linear-gradient(to bottom right,#1a73e8,#475e8c);display:flex;justify-content:center;align-items:center}.avatar-ring.avatar-default[data-v-329d41c4]{background:#e0e0e0;display:flex;align-items:center;justify-content:center}.avatar[data-v-329d41c4]{width:100%;height:100%;border-radius:9999px;object-fit:cover;border:3px solid #ffffff}.avatar-placeholder[data-v-329d41c4]{font-size:2.5rem;color:#999}.profile-info[data-v-329d41c4]{text-align:center;z-index:10}.user-name[data-v-329d41c4]{font-size:1.1875rem;font-weight:800;color:#191c1d;margin-bottom:.25rem}.user-title[data-v-329d41c4]{font-size:.875rem;color:#414754;opacity:.8;margin-bottom:1rem}.stats-badge[data-v-329d41c4]{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem 1rem;background:#f3f4f5;border-radius:9999px;cursor:pointer;transition:all .3s ease}.stats-badge[data-v-329d41c4]:hover{background:#e8f0fe;transform:translateY(-1px);box-shadow:0 2px 8px #1a73e826}.stats-badge[data-v-329d41c4]:active{transform:scale(.98)}.badge-icon[data-v-329d41c4]{font-size:1rem}.badge-text[data-v-329d41c4]{font-size:.8125rem;font-weight:600;color:#1a73e8;letter-spacing:.02rem}.login-btn[data-v-329d41c4]{width:auto;height:3rem;background:#07c160;border-radius:.75rem;display:flex;align-items:center;justify-content:center;border:none;box-shadow:0 4px 16px #07c16040;padding:0 2.5rem;line-height:3rem;margin-top:.5rem;transition:all .3s ease;cursor:pointer}.login-btn-text[data-v-329d41c4]{font-size:1rem;font-weight:600;color:#fff;letter-spacing:-.02em}.menu-section[data-v-329d41c4]{margin-bottom:2rem}.menu-card[data-v-329d41c4]{background:#fff;border-radius:.875rem;overflow:hidden;padding:.375rem}.menu-item[data-v-329d41c4]{display:flex;align-items:center;justify-content:space-between;padding:1rem;border-radius:.625rem;margin:0 .375rem;cursor:pointer;transition:background .2s ease}.menu-item[data-v-329d41c4]:active{background:#f5f5f5}.menu-left[data-v-329d41c4]{display:flex;align-items:center;gap:.875rem}.menu-icon[data-v-329d41c4]{font-size:1.25rem;color:#414754;width:1.5rem;height:1.5rem;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.menu-text[data-v-329d41c4]{font-size:1rem;font-weight:500;color:#191c1d}.menu-right[data-v-329d41c4]{display:flex;align-items:center;gap:.375rem}.version-text[data-v-329d41c4]{font-size:.8125rem;color:#727785;margin-right:.125rem}.menu-arrow[data-v-329d41c4]{font-size:1.25rem;color:#c1c6d6}.divider[data-v-329d41c4]{height:1px;background:#c1c6d61a;margin:0 1rem}.logout-section[data-v-329d41c4]{text-align:center;margin-top:1.5rem}.logout-btn[data-v-329d41c4]{display:inline-block;padding:.75rem 2.5rem;border-radius:9999px;font-size:1rem;font-weight:700;color:#ba1a1a;background:#fef2f2;border:2px solid #fecaca;box-shadow:0 2px 8px #ba1a1a1a;transition:all .3s ease;cursor:pointer}.logout-btn[data-v-329d41c4]:active{transform:scale(.98);background:#fde6e6;box-shadow:0 1px 4px #ba1a1a26}.bottom-padding[data-v-329d41c4]{height:60px}.menu-icon-img[data-v-329d41c4]{width:1.5rem;height:1.5rem;object-fit:contain;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.qrcode-overlay[data-v-329d41c4]{position:fixed;inset:0;background-color:#0000008c;z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.qrcode-popup[data-v-329d41c4]{position:relative;background:#fff;border-radius:1.25rem;padding:1.75rem 1.5rem 1.25rem;max-width:360px;width:90vw;text-align:center;box-shadow:0 12px 40px #0000002e;animation:popup-up-329d41c4 .3s ease-out}@keyframes popup-up-329d41c4{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.close-btn[data-v-329d41c4]{position:absolute;top:.625rem;right:.75rem;width:1.875rem;height:1.875rem;border:none;background:#f0f0f0;border-radius:50%;font-size:1.125rem;color:#666;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1;transition:all .2s ease}.close-btn[data-v-329d41c4]:hover{background:#e0e0e0;color:#333}.popup-title[data-v-329d41c4]{display:flex;align-items:center;justify-content:center;gap:.375rem;font-size:1.0625rem;font-weight:700;color:#e53935;margin-bottom:.875rem;line-height:1.4}.title-icon[data-v-329d41c4]{font-size:1.25rem}.qrcode-img[data-v-329d41c4]{width:min(300px,80vw);height:auto;object-fit:contain;display:block;margin:0 auto 1rem}.qrcode-tip[data-v-329d41c4]{display:flex;flex-direction:column;align-items:center;gap:.25rem;font-size:.875rem;color:#666;margin:0;line-height:1.5}.fade-enter-active[data-v-329d41c4],.fade-leave-active[data-v-329d41c4]{transition:opacity .25s ease}.fade-enter-from[data-v-329d41c4],.fade-leave-to[data-v-329d41c4]{opacity:0}.settings-popup[data-v-329d41c4]{position:relative;background:#fff;border-radius:1.25rem;padding:1.75rem 1.5rem 1.5rem;max-width:380px;width:90vw;box-shadow:0 12px 40px #0000002e;animation:popup-up-329d41c4 .3s ease-out}.settings-title[data-v-329d41c4]{font-size:1.125rem;font-weight:700;color:#191c1d;text-align:center;margin-bottom:1.25rem}.settings-profile[data-v-329d41c4]{display:flex;flex-direction:column;align-items:center;margin-bottom:1.5rem;padding-bottom:1.25rem;border-bottom:1px solid #f0f0f0}.settings-avatar-ring[data-v-329d41c4]{width:64px;height:64px;border-radius:50%;padding:2px;background:linear-gradient(to bottom right,#1a73e8,#475e8c);margin-bottom:.625rem}.settings-avatar[data-v-329d41c4]{width:100%;height:100%;border-radius:50%;object-fit:cover;border:2px solid #fff}.settings-nickname[data-v-329d41c4]{font-size:1rem;font-weight:600;color:#191c1d;margin-bottom:.25rem}.settings-readonly-hint[data-v-329d41c4]{font-size:.75rem;color:#999}.settings-form[data-v-329d41c4]{width:100%}.settings-label[data-v-329d41c4]{display:block;font-size:.875rem;font-weight:600;color:#333;margin-bottom:.5rem}.settings-input-row[data-v-329d41c4]{display:flex;flex-direction:column;gap:.5rem}.settings-input[data-v-329d41c4]{width:100%;height:2.75rem;border:1.5px solid #d9d9d9;border-radius:.5rem;padding:0 .75rem;font-size:1rem;color:#333;outline:none;transition:border-color .2s;box-sizing:border-box}.settings-input[data-v-329d41c4]:focus{border-color:#1a73e8;box-shadow:0 0 0 2px #1a73e81f}.settings-input[data-v-329d41c4]::placeholder{color:#bbb;font-size:.875rem}.settings-save-btn[data-v-329d41c4]{width:100%;height:2.75rem;background:linear-gradient(135deg,#1a73e8,#1557b0);color:#fff;border:none;border-radius:.5rem;font-size:.9375rem;font-weight:600;cursor:pointer;transition:all .2s}.settings-save-btn[data-v-329d41c4]:active{transform:scale(.97)}.settings-save-btn[data-v-329d41c4]:disabled{background:#b0c4de;cursor:not-allowed}.settings-error[data-v-329d41c4]{margin-top:.5rem;font-size:.8125rem;color:#f5222d}.settings-success[data-v-329d41c4]{margin-top:.5rem;font-size:.8125rem;color:#52c41a}.login-container[data-v-6b74115d]{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding:3rem 2.5rem 2rem;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5)}.success-fullscreen[data-v-6b74115d]{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#fff;z-index:9999;gap:1rem}.success-spinner[data-v-6b74115d]{width:36px;height:36px;border:3px solid #e8eaed;border-top-color:#07c160;border-radius:50%;animation:spin-6b74115d .7s linear infinite}.success-text[data-v-6b74115d]{font-size:.9375rem;color:#555}.content[data-v-6b74115d]{width:100%;max-width:31.25rem;display:flex;flex-direction:column;align-items:center;overflow:visible}.logo-section[data-v-6b74115d]{text-align:center;margin-bottom:1.25rem}.logo-icon[data-v-6b74115d]{font-size:2.8rem;margin-bottom:.25rem}.app-name[data-v-6b74115d]{font-size:1.35rem;font-weight:700;color:#191c1d;margin-bottom:.35rem}.app-slogan[data-v-6b74115d]{font-size:.8125rem;color:#727785}.app-slogan.pc-slogan[data-v-6b74115d]{color:#888;font-size:.875rem}.login-section[data-v-6b74115d]{width:100%;display:flex;flex-direction:column;align-items:center}.agreement-section[data-v-6b74115d]{width:100%;display:flex;flex-direction:row;align-items:flex-start;justify-content:center;margin-bottom:1.25rem;padding:0 .625rem;cursor:pointer;-webkit-tap-highlight-color:transparent}.checkbox-icon[data-v-6b74115d]{width:18px;height:18px;min-width:18px;border:2px solid #ccc;border-radius:4px;display:flex;align-items:center;justify-content:center;background:#fff;transition:all .2s ease;margin-top:2px;margin-right:6px;flex-shrink:0}.checkbox-icon.checked[data-v-6b74115d]{background:#07c160;border-color:#07c160}.checkbox-icon span[data-v-6b74115d]{color:#fff;font-size:11px;font-weight:700}.agreement-text[data-v-6b74115d]{font-size:.8125rem;color:#666;line-height:1.5;display:inline;word-break:break-all}.agreement-text .link[data-v-6b74115d]{color:#1a73e8;cursor:pointer;white-space:nowrap}.wechat-login-btn[data-v-6b74115d]{width:auto;min-width:12.5rem;height:3rem;background:#07c160;border-radius:.75rem;display:flex;align-items:center;justify-content:center;border:none;box-shadow:0 4px 16px #07c16040;padding:0 2.5rem;line-height:3rem;margin-bottom:1.5rem;transition:all .3s ease;cursor:pointer;opacity:1}.wechat-login-btn.is-loading[data-v-6b74115d]{opacity:.85;cursor:not-allowed;background:#06ae56}.wechat-login-btn[data-v-6b74115d]:active:not(.is-loading){transform:scale(.97);opacity:.9}.btn-content[data-v-6b74115d]{display:flex;align-items:center;justify-content:center;gap:.375rem}.loading-content[data-v-6b74115d]{gap:.5rem}.btn-text[data-v-6b74115d]{font-size:1rem;font-weight:600;color:#fff;white-space:nowrap}.loading-spinner[data-v-6b74115d]{width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin-6b74115d .7s linear infinite;flex-shrink:0}@keyframes spin-6b74115d{to{transform:rotate(360deg)}}.loading-tip[data-v-6b74115d]{font-size:.8125rem;color:#999;text-align:center;animation:fadeIn-6b74115d .3s ease}@keyframes fadeIn-6b74115d{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.guide-section[data-v-6b74115d]{width:100%;display:flex;flex-direction:column;align-items:center}.guide-card[data-v-6b74115d]{width:100%;background:#fafbfc;border:1px solid #e8eaed;border-radius:1rem;padding:1.75rem 1.25rem;text-align:center;box-sizing:border-box}.guide-icon[data-v-6b74115d]{font-size:3rem;margin-bottom:.75rem}.guide-title[data-v-6b74115d]{font-size:1.125rem;font-weight:600;color:#191c1d;margin:0 0 .5rem}.guide-desc[data-v-6b74115d]{font-size:.875rem;color:#666;line-height:1.6;margin:0 0 1.25rem}.copy-url-btn[data-v-6b74115d]{width:100%;height:2.75rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:.5rem;font-size:.9375rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease;box-shadow:0 2px 12px #667eea4d}.copy-url-btn[data-v-6b74115d]:active{transform:scale(.98);opacity:.95}.copy-icon[data-v-6b74115d]{font-size:1.1rem}.guide-hint[data-v-6b74115d]{font-size:.8125rem;color:#07c160;margin-top:.5rem;min-height:1.2em}.divider[data-v-6b74115d]{position:relative;margin:1.25rem 0 1rem;text-align:center}.divider[data-v-6b74115d]:before{content:"";position:absolute;left:0;top:50%;width:100%;height:1px;background:#e0e0e0}.divider span[data-v-6b74115d]{position:relative;background:#fafbfc;padding:0 .75rem;font-size:.75rem;color:#999}.guide-qrcode-wrapper[data-v-6b74115d]{display:inline-block;padding:.5rem;background:#fff;border-radius:.5rem;border:1px solid #eee}.guide-qrcode-hint[data-v-6b74115d]{font-size:.75rem;color:#999;margin-top:.5rem}.already-login-btn[data-v-6b74115d]{margin-top:1rem;background:transparent;border:none;color:#1a73e8;font-size:.875rem;cursor:pointer;text-decoration:underline}.already-login-btn[data-v-6b74115d]:hover{color:#1558b0}.qr-login-section[data-v-6b74115d]{width:100%;display:flex;flex-direction:column;align-items:center}.qrcode-area[data-v-6b74115d]{width:100%;display:flex;flex-direction:column;align-items:center;margin-bottom:.75rem;overflow:visible}.qrcode-wrapper[data-v-6b74115d]{position:relative;padding:12px;background:#fff;border-radius:1rem;box-sizing:border-box;border:1.5px solid #d0d5dd;box-shadow:0 2px 8px #0000000f;transition:border-color .3s ease,box-shadow .3s ease}.qrcode-wrapper[data-v-6b74115d]:hover{border-color:#a0abba;box-shadow:0 4px 12px #00000014}.qrcode-wrapper.qr-expired[data-v-6b74115d]{opacity:.55}.qrcode-wrapper.qr-success[data-v-6b74115d]{border-color:#07c160;box-shadow:0 2px 12px #07c16026}.qrcode-wrapper canvas[data-v-6b74115d]{display:block}.status-overlay[data-v-6b74115d]{position:absolute;inset:0;background:#ffffffed;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:calc(1rem - 2px);z-index:3;backdrop-filter:blur(4px)}.status-icon[data-v-6b74115d]{font-size:2rem;margin-bottom:.375rem}.status-text[data-v-6b74115d]{font-size:.875rem;font-weight:500;color:#333;text-align:center}.status-text small[data-v-6b74115d]{font-size:.75rem;color:#888;font-weight:400}.pulse-ring[data-v-6b74115d]{position:absolute;width:60px;height:60px;border:3px solid #07c160;border-radius:50%;animation:pulseRing-6b74115d 2s ease-out infinite}@keyframes pulseRing-6b74115d{0%{transform:scale(.8);opacity:1}to{transform:scale(2);opacity:0}}.scanned-overlay .status-text[data-v-6b74115d]{color:#e6a23c}.expired-overlay .status-text[data-v-6b74115d]{color:#ff4d4f}.success-overlay .status-text[data-v-6b74115d]{color:#07c160;font-weight:700;font-size:1rem}.qr-status-text[data-v-6b74115d]{font-size:.875rem;margin:.75rem 0;min-height:1.5em;text-align:center}.text-waiting[data-v-6b74115d]{color:#666}.text-scanned[data-v-6b74115d]{color:#e6a23c}.text-confirmed[data-v-6b74115d]{color:#07c160;font-weight:500}.text-expired[data-v-6b74115d],.text-error[data-v-6b74115d]{color:#ff4d4f}.refresh-btn[data-v-6b74115d]{padding:.5rem 1.5rem;background:#1a73e8;color:#fff;border:none;border-radius:2rem;font-size:.875rem;cursor:pointer;transition:all .2s ease}.refresh-btn[data-v-6b74115d]:hover{background:#1558b0}.refresh-btn[data-v-6b74115d]:active{transform:scale(.96)}.countdown-hint[data-v-6b74115d]{font-size:.75rem;color:#999;margin-top:.375rem}.countdown-hint strong[data-v-6b74115d]{color:#ff4d4f}.dialog-overlay[data-v-6b74115d]{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:9999;padding:1.25rem}.dialog-box[data-v-6b74115d]{background:#fff;border-radius:.75rem;max-width:31.25rem;width:100%;max-height:80vh;overflow-y:auto;box-shadow:0 4px 20px #0000004d}.dialog-header[data-v-6b74115d]{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;border-bottom:1px solid #f0f0f0}.dialog-title[data-v-6b74115d]{font-size:1.1875rem;font-weight:700;color:#191c1d;margin:0}.dialog-close[data-v-6b74115d]{font-size:1.75rem;color:#999;cursor:pointer;padding:0 .5rem}.dialog-body[data-v-6b74115d]{padding:1.25rem;font-size:.875rem;line-height:1.8;color:#333}.dialog-body p[data-v-6b74115d]{margin:.75rem 0}.dialog-footer[data-v-6b74115d]{padding:1.25rem;border-top:1px solid #f0f0f0;text-align:center}.dialog-btn[data-v-6b74115d]{background:#1a73e8;color:#fff;border:none;padding:.75rem 2.5rem;border-radius:.5rem;font-size:1rem;font-weight:500;cursor:pointer}.dialog-btn[data-v-6b74115d]:active{opacity:.9}.auth-callback-container[data-v-71a11c84]{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5)}.loading-content[data-v-71a11c84]{display:flex;flex-direction:column;align-items:center;gap:1.5rem}.loading-spinner[data-v-71a11c84]{width:3.75rem;height:3.75rem;position:relative}.spinner[data-v-71a11c84]{width:100%;height:100%;border:4px solid rgba(255,255,255,.3);border-top:4px solid #fff;border-radius:50%;animation:spin-71a11c84 1s linear infinite}@keyframes spin-71a11c84{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text[data-v-71a11c84]{color:#fff;font-size:1.125rem;font-weight:500;letter-spacing:.05rem;text-shadow:0 2px 4px rgba(0,0,0,.1)}.qr-confirm-container[data-v-196d9b15]{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.25rem;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5)}.confirm-card[data-v-196d9b15]{background:#fff;border-radius:1rem;width:100%;max-width:22rem;overflow:hidden;box-shadow:0 10px 40px #0003}.header-section[data-v-196d9b15]{text-align:center;padding:2rem 1.25rem 1rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.logo-icon[data-v-196d9b15]{font-size:3rem;margin-bottom:.375rem}.app-name[data-v-196d9b15]{font-size:1.25rem;font-weight:700;margin-bottom:.375rem}.confirm-title[data-v-196d9b15]{font-size:.875rem;opacity:.9}.confirm-content[data-v-196d9b15]{padding:1.5rem 1.25rem}.user-info[data-v-196d9b15]{display:flex;align-items:center;gap:.75rem;padding:1rem;background:#f8f9fa;border-radius:.75rem;margin-bottom:1rem}.avatar[data-v-196d9b15]{width:3rem;height:3rem;border-radius:50%;object-fit:cover}.avatar-placeholder[data-v-196d9b15]{width:3rem;height:3rem;border-radius:50%;background:#e0e0e0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.user-detail[data-v-196d9b15]{flex:1;min-width:0}.nickname[data-v-196d9b15]{font-size:1rem;font-weight:600;color:#191c1d;margin-bottom:.125rem}.openid-hint[data-v-196d9b15]{font-size:.75rem;color:#999;font-family:monospace}.device-info[data-v-196d9b15]{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:#e8f5e9;border-radius:.5rem;margin-bottom:1.5rem;font-size:.875rem;color:#2e7d32}.device-label[data-v-196d9b15]{font-weight:600}.time-info[data-v-196d9b15]{color:#666}.action-buttons[data-v-196d9b15]{display:flex;gap:.75rem}.cancel-btn[data-v-196d9b15],.confirm-btn[data-v-196d9b15]{flex:1;height:2.75rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease}.cancel-btn[data-v-196d9b15]{background:#f5f5f5;color:#666}.cancel-btn[data-v-196d9b15]:active{background:#e8e8e8}.confirm-btn[data-v-196d9b15]{background:#07c160;color:#fff;box-shadow:0 2px 8px #07c1604d}.confirm-btn[data-v-196d9b15]:active{opacity:.9;transform:scale(.98)}.loading-section[data-v-196d9b15]{text-align:center;padding:3rem 1.25rem}.loading-spinner[data-v-196d9b15]{width:2.5rem;height:2.5rem;border:3px solid #e0e0e0;border-top-color:#667eea;border-radius:50%;animation:spin-196d9b15 .8s linear infinite;margin:0 auto 1rem}@keyframes spin-196d9b15{to{transform:rotate(360deg)}}.loading-section p[data-v-196d9b15]{color:#666;font-size:.9375rem}.error-section[data-v-196d9b15]{text-align:center;padding:3rem 1.25rem}.error-icon[data-v-196d9b15]{font-size:3rem;margin-bottom:.75rem}.error-text[data-v-196d9b15]{color:#ff4d4f;font-size:.9375rem;margin-bottom:1.25rem;line-height:1.6}.retry-btn[data-v-196d9b15]{background:#667eea;color:#fff;border:none;padding:.625rem 2rem;border-radius:.5rem;font-size:.9375rem;cursor:pointer}.retry-btn[data-v-196d9b15]:active{opacity:.9}.success-result[data-v-196d9b15]{text-align:center;padding:1.5rem 0}.success-icon[data-v-196d9b15]{font-size:3rem;margin-bottom:.75rem}.success-result p[data-v-196d9b15]{color:#07c160;font-size:1rem;font-weight:500}.security-tip[data-v-196d9b15]{text-align:center;padding:.875rem 1.25rem;background:#fafafa;border-top:1px solid #f0f0f0;font-size:.75rem;color:#999}.checkin-page[data-v-3be71d54]{background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);min-height:100vh;padding:1.25rem 1rem 120px}.page-header[data-v-3be71d54]{text-align:center;margin-bottom:1.75rem;padding-top:.5rem}.header-icon[data-v-3be71d54]{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;background:linear-gradient(135deg,#1677ff,#69b1ff,#91caff);border-radius:16px;box-shadow:0 6px 20px #1677ff4d;margin-bottom:12px}.header-icon svg[data-v-3be71d54]{width:28px;height:28px;color:#fff}.page-header h1[data-v-3be71d54]{font-size:1.65rem;font-weight:800;color:#1a1a2e;margin:0 0 4px;letter-spacing:-.3px}.header-subtitle[data-v-3be71d54]{font-size:.85rem;color:#8c8c8c;margin:0;font-weight:400}.task-list[data-v-3be71d54]{display:flex;flex-direction:column;gap:14px}.task-card[data-v-3be71d54]{position:relative;background:#fff;border-radius:16px;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);overflow:hidden;animation:cardSlideIn-3be71d54 .45s ease-out both;box-shadow:0 2px 10px #0000000a,0 1px 3px #00000005;border:1px solid rgba(22,119,255,.06)}@keyframes cardSlideIn-3be71d54{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.task-card[data-v-3be71d54]:active{transform:scale(.97);box-shadow:0 1px 4px #0000000f}.task-card-inner[data-v-3be71d54]{padding:18px 16px 16px 20px}.card-badge[data-v-3be71d54]{position:absolute;top:12px;right:12px;width:26px;height:26px;background:linear-gradient(135deg,#e8f4ff,#d6eaff);color:#1677ff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.task-card-header h3[data-v-3be71d54]{font-size:1.08rem;font-weight:700;color:#1a1a2e;margin:0 0 8px;line-height:1.35;padding-right:32px}.course-tags[data-v-3be71d54]{display:flex;flex-wrap:wrap;gap:6px}.course-tag[data-v-3be71d54]{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;background:linear-gradient(135deg,#e6f7ff,#f0f5ff);border:1px solid #bae0ff;border-radius:20px;font-size:11px;color:#096dd9;font-weight:500;line-height:1.5}.course-tag svg[data-v-3be71d54]{width:12px;height:12px;flex-shrink:0}.task-card-body[data-v-3be71d54]{color:#666}.task-description[data-v-3be71d54]{font-size:.85rem;line-height:1.55;margin:0 0 12px;color:#666;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.task-meta[data-v-3be71d54]{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px dashed #f0f0f0}.subtask-count[data-v-3be71d54]{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;color:#999;font-weight:500}.subtask-count svg[data-v-3be71d54]{width:15px;height:15px;stroke:#bbb}.arrow-icon[data-v-3be71d54]{font-size:1.4rem;color:#ccc;font-weight:300;transition:transform .2s,color .2s}.task-card:hover .arrow-icon[data-v-3be71d54],.task-card:active .arrow-icon[data-v-3be71d54]{transform:translate(3px);color:#1677ff}.empty-state[data-v-3be71d54]{text-align:center;padding:3rem 1.5rem 4rem}.empty-illustration[data-v-3be71d54]{margin-bottom:24px}.empty-circle[data-v-3be71d54]{display:inline-block;animation:floatBounce-3be71d54 3s ease-in-out infinite}@keyframes floatBounce-3be71d54{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.empty-circle svg[data-v-3be71d54]{width:140px;height:140px;display:block;margin:0 auto}.empty-title[data-v-3be71d54]{font-size:1.2rem;font-weight:700;color:#333;margin:0 0 8px}.empty-desc[data-v-3be71d54]{font-size:.92rem;color:#888;margin:0 0 6px;font-weight:500}.empty-hint[data-v-3be71d54]{font-size:.82rem;color:#bbb;margin:0}.loading-state[data-v-3be71d54]{text-align:center;padding:4rem 0;color:#999;font-size:.9rem}.loading-spinner[data-v-3be71d54]{width:36px;height:36px;border:3px solid #e8ecf1;border-top-color:#1677ff;border-radius:50%;margin:0 auto 16px;animation:spin-3be71d54 .7s linear infinite}@keyframes spin-3be71d54{to{transform:rotate(360deg)}}.checkin-detail-page[data-v-3231c624]{min-height:100vh;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);padding-bottom:130px}.page-header[data-v-3231c624]{display:flex;align-items:center;justify-content:center;position:relative;padding:16px 20px}.back-btn[data-v-3231c624]{width:36px;height:36px;border-radius:50%;background:#1a73e814;border:none;font-size:1.25rem;color:#1a73e8;padding:0;position:absolute;left:16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;font-weight:700;line-height:1}.back-btn[data-v-3231c624]:active{background:#1a73e829;transform:scale(.92)}.page-header h1[data-v-3231c624]{font-size:22px;font-weight:700;color:#1d1d1f;margin:0;letter-spacing:.03em}.detail-content[data-v-3231c624]{max-width:600px;margin:0 auto;padding:0 15px}.content-card[data-v-3231c624]{background:#fff;border-radius:20px;padding:25px;box-shadow:0 4px 12px #00000014}.task-info[data-v-3231c624]{margin-bottom:20px}.task-title[data-v-3231c624]{font-size:16px;color:#1a73e8;font-weight:700;margin:0}.subtask-list[data-v-3231c624]{display:flex;flex-direction:column;gap:0}.subtask-item[data-v-3231c624]{display:flex;align-items:center;cursor:pointer;background:#f0f4ff;border-radius:14px;padding:16px 18px;margin-bottom:12px;transition:transform .2s,background-color .2s}.subtask-item[data-v-3231c624]:last-child{margin-bottom:0}.subtask-item[data-v-3231c624]:active{transform:scale(.98);box-shadow:0 1px 4px #0000000f}.subtask-header[data-v-3231c624]{display:flex;align-items:center;justify-content:space-between;width:100%}.subtask-title[data-v-3231c624]{font-size:16px;font-weight:500;color:#333;flex:1}.go-checkin-btn[data-v-3231c624]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:20px;padding:6px 18px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s;white-space:nowrap;box-shadow:0 2px 8px #667eea4d}.go-checkin-btn[data-v-3231c624]:active{transform:scale(.95);opacity:.9}.go-checkin-btn.checked[data-v-3231c624]{background:linear-gradient(135deg,#07c160,#06ad56);cursor:default;box-shadow:0 2px 8px #07c1604d}.empty-hint[data-v-3231c624]{text-align:center;color:#999;font-size:14px;padding:16px 0}.loading[data-v-3231c624]{text-align:center;padding:50px 20px;color:#fff;font-size:18px}.catalog-pagination[data-v-3231c624]{display:flex;align-items:center;justify-content:center;flex-wrap:nowrap;gap:5px;padding:12px 4px 8px;margin-top:14px;overflow:hidden}.page-nav-btn[data-v-3231c624]{height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #d0d5dd;border-radius:6px;background:#fff;color:#495057;font-size:11px;font-weight:500;padding:0 8px;cursor:pointer;transition:all .2s;user-select:none;white-space:nowrap;flex-shrink:0}.page-nav-btn[data-v-3231c624]:active:not(:disabled){transform:scale(.96)}.page-nav-btn[data-v-3231c624]:disabled{opacity:.3;cursor:not-allowed;background:#f7f8fa}.page-num-btn[data-v-3231c624]{min-width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #d0d5dd;border-radius:6px;background:#fff;color:#495057;font-size:13px;font-weight:500;padding:0 4px;cursor:pointer;transition:all .2s;user-select:none;flex-shrink:0}.page-num-btn.active[data-v-3231c624]{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent;box-shadow:0 2px 6px #667eea4d}.page-num-btn[data-v-3231c624]:not(.ellipsis):active{transform:scale(.95)}.page-num-btn.ellipsis[data-v-3231c624]{border-color:transparent;background:transparent;color:#ccc;cursor:default;letter-spacing:1px}.checkin-record-page[data-v-902285af]{min-height:100vh;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);padding-bottom:100px}.page-header[data-v-902285af]{display:flex;align-items:center;justify-content:center;position:relative;padding:16px 20px}.back-btn[data-v-902285af]{width:36px;height:36px;border-radius:50%;background:#1a73e814;border:none;font-size:1.25rem;color:#1a73e8;padding:0;position:absolute;left:16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;font-weight:700;line-height:1}.back-btn[data-v-902285af]:active{background:#1a73e829;transform:scale(.92)}.page-header h1[data-v-902285af]{margin:0;font-size:22px;font-weight:700;color:#1d1d1f;letter-spacing:.03em}.record-content[data-v-902285af]{max-width:600px;margin:0 auto;padding:0 15px}.content-card[data-v-902285af]{background:#fff;border-radius:20px;padding:25px;box-shadow:0 4px 12px #00000014}.task-info[data-v-902285af]{margin-bottom:20px;position:relative}.checkin-stamp-badge[data-v-902285af]{position:absolute;top:-8px;right:-5px;z-index:10;animation:stampAppear-902285af .6s cubic-bezier(.34,1.56,.64,1)}@keyframes stampAppear-902285af{0%{transform:scale(2) rotate(-15deg);opacity:0}60%{transform:scale(.9) rotate(3deg);opacity:1}to{transform:scale(1) rotate(-12deg);opacity:1}}.stamp-inner[data-v-902285af]{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,#ff6b35,#f7c531,#ff6b35);display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 3px 12px #ff6b3573,inset 0 1px #fff6,inset 0 -2px 6px #0000001a;border:3px solid rgba(255,255,255,.85);position:relative;transform:rotate(-12deg)}.stamp-inner[data-v-902285af]:before{content:"";position:absolute;inset:3px;border-radius:50%;border:2px dashed rgba(255,255,255,.6);pointer-events:none}.stamp-icon[data-v-902285af]{font-size:22px;font-weight:900;color:#fff;line-height:1;text-shadow:0 2px 4px rgba(200,80,20,.4);margin-bottom:-2px}.stamp-text[data-v-902285af]{font-size:11px;font-weight:800;color:#fff;letter-spacing:1px;text-shadow:0 1px 3px rgba(200,80,20,.35);line-height:1.2}.stamp-stars[data-v-902285af]{position:absolute;bottom:-14px;left:50%;transform:translate(-50%);display:flex;gap:3px;font-size:10px;color:#f7c531;text-shadow:0 1px 3px rgba(247,197,49,.5);animation:starTwinkle-902285af 2s ease-in-out infinite}@keyframes starTwinkle-902285af{0%,to{opacity:.7;transform:translate(-50%) scale(1)}50%{opacity:1;transform:translate(-50%) scale(1.15)}}.video-section[data-v-902285af]{margin-bottom:20px;border-radius:14px;overflow:hidden;background:#000}.video-container[data-v-902285af]{width:100%}.task-video-player[data-v-902285af]{width:100%;display:block;border-radius:14px;object-fit:contain;max-height:220px;background:#000}.task-video-player[data-v-902285af]::-webkit-media-controls-enclosure{overflow:hidden}.task-video-player[data-v-902285af]::-webkit-media-controls-download-button{display:none!important}.video-loading[data-v-902285af]{display:flex;flex-direction:column;align-items:center;gap:10px;padding:30px 20px;margin-bottom:20px;background:#000;border-radius:14px;color:#ffffffb3;font-size:13px}.subtask-title[data-v-902285af]{margin:0 0 10px;font-size:22px;color:#333;font-weight:700}.subtask-content[data-v-902285af]{color:#888;font-size:16px;line-height:1.5;white-space:pre-wrap;word-break:break-all;overflow-wrap:anywhere}.follow-text-section[data-v-902285af]{margin-bottom:24px;padding:15px 18px;background:#f5f7ff;border-radius:12px}.follow-text-label[data-v-902285af]{color:#667eea;font-size:14px;margin-bottom:10px;display:flex;align-items:center;gap:8px}.checked-badge[data-v-902285af]{color:#52c41a;font-size:13px;font-weight:600}.follow-text[data-v-902285af]{color:#333;font-size:21px;font-weight:700;line-height:1.7;display:flex;flex-wrap:wrap;gap:8px 12px}.follow-text.scored[data-v-902285af]{display:flex;flex-wrap:wrap;gap:6px 10px;line-height:1.6}.follow-text.scored span[data-v-902285af]{margin-right:0!important}.word-with-score[data-v-902285af]{display:inline-flex;flex-direction:column;align-items:center;margin-right:7px!important;vertical-align:top;line-height:1.35!important}.word-with-score .word-text[data-v-902285af]{font-size:21px;font-weight:700;position:relative}.word-score-badge[data-v-902285af]{display:inline-block;min-width:18px;height:15px;padding:0 4px;border-radius:7px;font-size:9px;font-weight:600;text-align:center;line-height:15px;margin-top:1px;white-space:nowrap;letter-spacing:.2px;box-shadow:0 1px 3px #00000014}.score-green[data-v-902285af]{color:#047857!important;background:linear-gradient(135deg,#d1fae5,#a7f3d0);border:1px solid rgba(16,185,129,.25)}.score-blue[data-v-902285af]{color:#0369a1!important;background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid rgba(59,130,246,.25)}.score-red[data-v-902285af]{color:#b91c1c!important;background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid rgba(239,68,68,.2)}.word-green[data-v-902285af]{color:#059669!important}.word-blue[data-v-902285af]{color:#2563eb!important}.word-black[data-v-902285af]{color:#4b5563!important}.word-red[data-v-902285af]{color:#dc2626!important}.word-default[data-v-902285af]{color:#374151}.audio-preview-section[data-v-902285af]{margin-bottom:20px;padding:12px;background:#f5f7ff;border-radius:12px}.audio-preview-player[data-v-902285af]{width:100%;height:40px}.record-section[data-v-902285af]{padding-top:10px}.record-status[data-v-902285af]{display:flex;flex-direction:column;align-items:center;gap:14px}.record-btn[data-v-902285af]{background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;font-size:17px;padding:14px 50px;border-radius:30px;cursor:pointer;display:inline-flex;align-items:center;gap:10px;box-shadow:0 4px 15px #667eea66}.record-icon[data-v-902285af]{font-size:22px}.checkin-hint[data-v-902285af]{font-size:13px;color:#e74c3c;text-align:center}.checkin-hint.warning[data-v-902285af]{font-weight:500}.checkin-hint.time-limit[data-v-902285af]{color:#667eea;font-size:12.5px;opacity:.9}.re-checkin-btn[data-v-902285af]{background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;font-size:16px;padding:14px 45px;border-radius:30px;cursor:pointer;box-shadow:0 4px 15px #667eea66}.re-checkin-btn.disabled[data-v-902285af]{background:#ccc!important;box-shadow:none!important;cursor:not-allowed;opacity:.6}.stop-btn[data-v-902285af]{background:linear-gradient(135deg,#e74c3c,#c0392b);border:none;color:#fff;font-size:16px;padding:12px 35px;border-radius:25px;cursor:pointer;box-shadow:0 4px 15px #e74c3c66}.stop-icon[data-v-902285af]{display:block;width:22px;height:22px;background:#fff;border-radius:4px}.recorded-actions[data-v-902285af]{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.submit-btn[data-v-902285af]{background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;font-size:16px;padding:14px 40px;border-radius:30px;cursor:pointer;box-shadow:0 4px 15px #667eea66}.re-record-btn[data-v-902285af]{background:#f0f0f0;border:none;color:#666;font-size:16px;padding:14px 30px;border-radius:30px;cursor:pointer}.recording-indicator[data-v-902285af],.evaluating-indicator[data-v-902285af]{display:flex;flex-direction:column;align-items:center;gap:12px;color:#e74c3c;font-size:16px;font-weight:500}.recording-wave[data-v-902285af]{width:70px;height:70px;border-radius:50%;background:linear-gradient(135deg,#e74c3c,#c0392b);animation:pulse-902285af 1.5s ease-in-out infinite;box-shadow:0 4px 15px #e74c3c66}.recording-wave.clickable[data-v-902285af]{cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .15s ease}.recording-wave.clickable[data-v-902285af]:active{transform:scale(.92)}@keyframes pulse-902285af{0%{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.8}to{transform:scale(1);opacity:1}}.loading-spinner[data-v-902285af]{width:44px;height:44px;border:4px solid #f3f3f3;border-top:4px solid #667eea;border-radius:50%;animation:spin-902285af 1s linear infinite}@keyframes spin-902285af{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading[data-v-902285af]{text-align:center;padding:50px 20px;color:#fff;font-size:18px}.mic-permission-overlay[data-v-902285af]{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px;animation:fadeIn-902285af .2s ease-out}@keyframes fadeIn-902285af{0%{opacity:0}to{opacity:1}}.mic-permission-dialog[data-v-902285af]{background:#fff;border-radius:20px;padding:30px 25px;max-width:360px;width:100%;text-align:center;box-shadow:0 10px 40px #0000004d;animation:slideUp-902285af .3s cubic-bezier(.34,1.56,.64,1)}@keyframes slideUp-902285af{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.mic-icon[data-v-902285af]{font-size:50px;margin-bottom:15px;animation:micBounce-902285af 1s ease-in-out infinite}@keyframes micBounce-902285af{0%,to{transform:scale(1)}50%{transform:scale(1.15)}}.mic-permission-dialog h3[data-v-902285af]{margin:0 0 12px;font-size:20px;color:#333;font-weight:700}.mic-guide-text[data-v-902285af]{color:#666;font-size:15px;margin:0 0 10px;line-height:1.5}.mic-guide-highlight[data-v-902285af]{color:#e74c3c;font-size:14px;margin:0 0 18px;font-weight:600;padding:10px 14px;background:#fef2f2;border-radius:10px;border-left:4px solid #e74c3c}.mic-guide-steps[data-v-902285af]{text-align:left;background:#f8f9ff;padding:14px 16px;border-radius:10px;margin-bottom:20px}.mic-guide-steps p[data-v-902285af]{margin:0 0 8px;font-size:13px;color:#555}.mic-guide-steps ol[data-v-902285af]{margin:0;padding-left:20px;font-size:13px;color:#666;line-height:1.8}.mic-buttons[data-v-902285af]{display:flex;gap:12px;justify-content:center}.btn-mic-cancel[data-v-902285af]{flex:1;padding:13px 20px;border:2px solid #ddd;background:#fff;color:#666;font-size:15px;border-radius:12px;cursor:pointer;font-weight:500;transition:all .2s}.btn-mic-cancel[data-v-902285af]:hover{border-color:#ccc;background:#f5f5f5}.btn-mic-allow[data-v-902285af]{flex:1;padding:13px 20px;border:none;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-size:15px;border-radius:12px;cursor:pointer;font-weight:600;box-shadow:0 4px 15px #667eea66;transition:all .2s}.btn-mic-allow[data-v-902285af]:active{transform:scale(.97);box-shadow:0 2px 8px #667eea4d}.simple-guide-box[data-v-902285af]{background:linear-gradient(135deg,#f8f9ff,#fefefe);border:2px solid #e8ecff;border-radius:14px;padding:16px 18px;margin:16px 0;text-align:center}.guide-step[data-v-902285af]{font-size:14px;color:#555;margin:8px 0!important;line-height:1.5}.guide-step-highlight[data-v-902285af]{color:#52c41a!important;font-weight:600;background:linear-gradient(135deg,#f0fff4,#f6ffed);padding:10px 14px;border-radius:8px;border:1px solid #b7eb8f}.guide-arrow[data-v-902285af]{color:#bbb;font-size:16px;margin:2px 0!important;line-height:1}.btn-close-page[data-v-902285af]{background:linear-gradient(135deg,#07c160,#06ae56)!important;box-shadow:0 4px 15px #07c16059!important}.btn-close-page[data-v-902285af]:active{box-shadow:0 2px 8px #07c16040!important}.word-detail[data-v-ead89d95]{position:relative;margin:0 auto;width:100%;padding:0;overflow:hidden;background-color:#f7f8fa;display:flex;flex-direction:column;min-height:100vh;min-height:100dvh}.word-strip-wrapper[data-v-ead89d95]{width:100%;overflow-x:auto;overflow-y:hidden;background:#fff;border-bottom:1px solid #f0f0f0;position:sticky;top:44px;z-index:9;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;cursor:grab;user-select:none}.word-strip-wrapper.dragging[data-v-ead89d95]{cursor:grabbing}.word-strip-wrapper[data-v-ead89d95]::-webkit-scrollbar{display:none}.word-strip-scroll[data-v-ead89d95]{display:flex;align-items:center;gap:2px;padding:6px 8px;white-space:nowrap}.word-strip-item[data-v-ead89d95]{display:inline-flex;flex-direction:column;align-items:center;padding:2px 10px;border-radius:6px;cursor:pointer;transition:all .2s;flex-shrink:0;position:relative;user-select:none}.word-strip-item[data-v-ead89d95]:active{background:#f0f4ff}.word-strip-item.active[data-v-ead89d95]{background:#eef3ff}.word-strip-name[data-v-ead89d95]{font-size:1.0625rem;font-weight:500;color:#666;line-height:1.4}.word-strip-item.active .word-strip-name[data-v-ead89d95]{color:#4d80f0;font-weight:600}.wd-navbar[data-v-ead89d95]{display:flex;align-items:center;height:44px;padding:0 12px;background:transparent;position:sticky;top:0;z-index:10}.wd-navbar-left[data-v-ead89d95]{width:40px;cursor:pointer;display:flex;align-items:center}.nav-back[data-v-ead89d95]{font-size:28px;color:#333;line-height:1;font-weight:300}.wd-navbar-title[data-v-ead89d95]{flex:1;text-align:center;font-size:1rem;font-weight:600;color:#191919}.wd-navbar-right[data-v-ead89d95]{width:0}.study-steps[data-v-ead89d95]{position:relative;width:100%;min-height:60px;border-radius:14px 14px 0 0;background:linear-gradient(180deg,#e6f3ff,#d1e9ff);display:flex;justify-content:center;align-items:center;padding:6px 4px 4px;gap:0}.steps-tap-cell[data-v-ead89d95]{display:flex;flex-direction:column;align-items:center;padding:2px 0;cursor:pointer;flex:1;max-width:52px;position:relative}.steps-icon[data-v-ead89d95]{width:clamp(35px,10vw,42px);height:clamp(35px,10vw,42px);border-radius:50%;border:1.5px solid #b4cadd;display:flex;align-items:center;justify-content:center;margin-bottom:2px;position:relative;z-index:2;transition:all .25s;background:transparent}.steps-icon .icon-ytf[data-v-ead89d95]{font-size:clamp(22px,6vw,28px);color:#b4cadd;transition:color .25s}.is-finished .steps-icon[data-v-ead89d95]{border-color:#4d80f0;background:transparent}.is-finished .steps-icon .icon-ytf[data-v-ead89d95]{color:#4d80f0}.is-process .steps-icon[data-v-ead89d95]{border-color:#4d80f0;background:#4d80f0}.is-process .steps-icon .icon-ytf[data-v-ead89d95]{color:#fff}.step-connector[data-v-ead89d95]{position:absolute;right:calc(50% + 21px);top:21px;width:calc(100% - 42px);height:2px;background:#b4cadd;z-index:1}.step-connector.active[data-v-ead89d95]{background:#4d80f0}.si-label[data-v-ead89d95]{font-size:.9375rem;color:#8a9ab5;white-space:nowrap;letter-spacing:.3px;margin-top:1px}.is-process .si-label[data-v-ead89d95]{color:#4d80f0;font-weight:600}.study-modules[data-v-ead89d95]{flex:1;overflow-y:auto;padding-bottom:64px;display:flex;flex-direction:column}.step-content[data-v-ead89d95]{animation:fadeUp-ead89d95 .2s ease}@keyframes fadeUp-ead89d95{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.study-step[data-v-ead89d95]{padding-top:4px}.module-tabs[data-v-ead89d95]{display:flex;background:#fff;margin:0 16px;border-bottom:1px solid #e5e5e5;justify-content:center;gap:4px}.module-tab[data-v-ead89d95]{text-align:center;padding:12px 16px;font-size:.9375rem;font-weight:500;color:#666;cursor:pointer;transition:all .2s;position:relative;user-select:none}.module-tab.active[data-v-ead89d95]{color:#4d80f0;font-weight:600}.module-tab.active[data-v-ead89d95]:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:40px;height:2px;background:#4d80f0;border-radius:1px}.panels-container[data-v-ead89d95]{padding:8px 0}.panel-content[data-v-ead89d95]{animation:fadeIn-ead89d95 .2s}@keyframes fadeIn-ead89d95{0%{opacity:0}to{opacity:1}}.study-card[data-v-ead89d95]{background-color:#e1f1ff;border-radius:14px;padding:clamp(10px,2.5vw,16px);margin:0 clamp(8px,2vw,16px) 8px}.pronunciation-card[data-v-ead89d95]{text-align:center}.letter-split-data-list[data-v-ead89d95]{width:100%;min-height:52px;background:transparent;display:flex;align-items:center;justify-content:center;overflow:visible}.letter-scroll-inner[data-v-ead89d95]{display:inline-flex;align-items:baseline;justify-content:center;gap:2px;padding:8px 0}.words-letters[data-v-ead89d95]{display:inline-flex;align-items:baseline}.words-letter[data-v-ead89d95]{display:inline-block;font-weight:700;font-size:clamp(24px,6vw,36px);line-height:1.2;cursor:pointer;user-select:none;transform-origin:center;white-space:nowrap}.words-letter.flash[data-v-ead89d95]{animation:syllablePulse-ead89d95 .6s ease-in-out}@keyframes syllablePulse-ead89d95{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.3);opacity:.5}}.drop[data-v-ead89d95]{font-size:clamp(14px,4vw,20px);color:#999;margin:0 2px;font-weight:400;line-height:1.2}.phonetic-line[data-v-ead89d95]{padding:0 clamp(8px,2.5vw,14px);display:flex;justify-content:center;align-items:center;font-size:clamp(14px,4.5vw,18px);min-height:34px;background:#fff;border-radius:26px;margin:8px auto 0;cursor:pointer;width:fit-content;max-width:92%;gap:2px}.phonetic[data-v-ead89d95]{display:flex;align-items:baseline;color:#756962;font-family:Times New Roman,serif;font-size:clamp(13px,4vw,17px)}.ph-slash[data-v-ead89d95]{color:#bbb;font-weight:300}.ph-symbol[data-v-ead89d95]{transition:color .2s}.ph-text[data-v-ead89d95]{color:#756962;font-family:Times New Roman,serif}.ph-parenthesis[data-v-ead89d95]{color:#bbb;font-weight:300;font-size:clamp(12px,3.5vw,15px)}.voice-icon[data-v-ead89d95]{width:clamp(14px,4vw,18px);height:clamp(14px,4vw,18px);cursor:pointer;margin-left:4px;flex-shrink:0}.definition-card[data-v-ead89d95]{text-align:center;position:relative}.pronunciations[data-v-ead89d95]{display:flex;justify-content:center;gap:clamp(8px,3vw,16px);margin-bottom:6px;flex-wrap:wrap}.pronunciation[data-v-ead89d95]{display:inline-flex;align-items:center;gap:4px;padding:3px clamp(6px,2vw,10px);background:#fff9;border-radius:16px;cursor:pointer;font-family:Times New Roman,serif;font-size:clamp(11px,3vw,13px);color:#333;user-select:none}.pronunciation[data-v-ead89d95]:active{background:#fffffff2}.pro-label[data-v-ead89d95]{font-size:.6875rem;color:#999}.pro-text[data-v-ead89d95]{color:#333;font-weight:500}.pro-play-voice[data-v-ead89d95]{width:12px;height:12px;margin-left:2px}.pro-play-voice.playing[data-v-ead89d95]{content:url(../static/blue-voice.gif)}.translation[data-v-ead89d95]{text-align:center;font-size:clamp(13px,4vw,15px);color:#333;margin-top:6px;line-height:1.7}.pos-tag[data-v-ead89d95]{color:#4d80f0;font-weight:600;font-size:.75rem;margin-right:4px}.mean-text[data-v-ead89d95]{color:#333}.word-split[data-v-ead89d95]{overflow-x:auto;overflow-y:hidden;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch;padding:8px 0 4px}.word-split[data-v-ead89d95]::-webkit-scrollbar{display:none}.word-split-inner[data-v-ead89d95]{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(4px,1.5vw,8px);min-width:100%;align-items:center}.split-block[data-v-ead89d95]{min-width:clamp(30px,9vw,46px);height:auto;border-radius:8px;display:flex;flex-direction:column;justify-content:center;align-items:center;background:#fff;border:1.5px solid #e5e7eb;cursor:pointer;transition:all .2s;user-select:none;padding:clamp(3px,1vw,5px) clamp(4px,1.5vw,10px);position:relative;overflow:visible}.split-block[data-v-ead89d95]:active{transform:scale(.94)}.split-block.selected[data-v-ead89d95]{background:#4d80f0;border-color:#4d80f0;box-shadow:0 2px 8px #4d80f040}.split-block .letter[data-v-ead89d95]{font-weight:900;font-size:clamp(12px,3.5vw,14px);text-align:center}.split-block .symbol[data-v-ead89d95]{font-weight:400;font-size:clamp(13px,4vw,17px);font-family:Times New Roman,serif;color:#4d80f0;text-align:center;white-space:nowrap;line-height:1.2}.split-block.selected .letter[data-v-ead89d95],.split-block.selected .symbol[data-v-ead89d95],.split-block.selected .video-symbol[data-v-ead89d95],.split-block.selected .e-video-icon[data-v-ead89d95]{color:#fff}.split-block-video[data-v-ead89d95]{flex-direction:row;align-items:center;gap:clamp(3px,1vw,8px)}.video-symbol[data-v-ead89d95]{font-weight:400;font-size:clamp(13px,4vw,17px);font-family:Times New Roman,serif;color:#4d80f0;text-align:center;white-space:nowrap;line-height:1.2}.split-block-video.selected .video-symbol[data-v-ead89d95]{color:#fff}.e-video-icon[data-v-ead89d95]{font-size:clamp(13px,3.5vw,18px);color:#4d80f0;line-height:1}.examples-card[data-v-ead89d95]{padding:0;overflow:hidden}.examples-swiper[data-v-ead89d95]{position:relative;min-height:110px;max-height:250px;overflow:hidden;background-color:transparent}.example-slide[data-v-ead89d95]{width:100%;overflow-y:auto;padding:0 12px;box-sizing:border-box;scrollbar-width:none;-ms-overflow-style:none}.example-slide[data-v-ead89d95]::-webkit-scrollbar{display:none}.sent-arrows[data-v-ead89d95]{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);display:flex;justify-content:space-between;pointer-events:none;padding:0 2px;z-index:2}.sent-arrow[data-v-ead89d95]{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;color:#4d80f0;background:#f0f4ff;cursor:pointer;user-select:none;transition:background .2s;pointer-events:auto}.sent-arrow[data-v-ead89d95]:active{background:#dce8ff}.sent-arrow.disabled[data-v-ead89d95]{opacity:.3;pointer-events:none}.example-sentence[data-v-ead89d95]{text-align:center;padding:10px 0;width:100%;box-sizing:border-box}.scr-x[data-v-ead89d95]{text-align:center;width:100%}.en-line[data-v-ead89d95]{font-weight:500;font-size:clamp(13px,4vw,15px);color:#666;line-height:1.6;display:flex;align-items:center;justify-content:center;flex-wrap:wrap}.en-word[data-v-ead89d95]{display:inline}.cn-line[data-v-ead89d95]{font-weight:500;font-size:clamp(12px,3.5vw,14px);color:#999;margin-top:6px;text-align:center;line-height:1.6}.sentence-audios[data-v-ead89d95]{margin-top:10px;display:flex;gap:8px;justify-content:center}.audio-btn[data-v-ead89d95]{display:inline-flex;align-items:center;gap:4px;font-size:.75rem;color:#4d80f0;cursor:pointer;padding:4px 12px;border-radius:14px;background:#4d80f014;user-select:none}.mini-voice[data-v-ead89d95]{width:12px;height:12px}.example-dots[data-v-ead89d95]{display:flex;justify-content:center;gap:5px;margin-top:8px}.e-dot[data-v-ead89d95]{width:6px;height:6px;border-radius:50%;background:#ddd;cursor:pointer;transition:all .2s}.e-dot.active[data-v-ead89d95]{width:16px;border-radius:3px;background:#4d80f0}.follow-step[data-v-ead89d95]{padding:clamp(12px,3vw,16px) clamp(10px,2.5vw,20px);display:flex;flex-direction:column;align-items:center}.four-line-grid[data-v-ead89d95]{position:relative;width:86%;min-width:150px;height:53px;background:#f0f8ff;border-radius:0;margin:24px auto 0;display:flex;align-items:center;justify-content:center;border-top:1px solid #92DDFF;border-bottom:1px solid #92DDFF;z-index:1;overflow:hidden}.word-scroll-container[data-v-ead89d95]{width:100%;overflow-x:auto;white-space:nowrap;padding:5px 0;text-align:center;scrollbar-width:none;-ms-overflow-style:none}.word-scroll-container[data-v-ead89d95]::-webkit-scrollbar{display:none}.four-line-grid[data-v-ead89d95]:before{content:"";position:absolute;left:0;right:0;height:0;border-top:1px dashed #92DDFF;z-index:-1;top:30%}.four-line-grid[data-v-ead89d95]:after{content:"";position:absolute;left:0;right:0;height:0;border-top:1px dashed #f44336;z-index:-1;bottom:30%}.flg-word[data-v-ead89d95]{font-weight:700;font-size:clamp(20px,8vw,36px);line-height:1;text-align:center;word-break:keep-all;letter-spacing:.5px;display:inline-block}.flg-phonetic[data-v-ead89d95]{display:flex;align-items:center;justify-content:center;gap:4px;font-size:clamp(14px,4.5vw,19px);line-height:1.2;width:fit-content;height:auto;min-height:32px;background:#f3f3f3;border-radius:26.5px;margin:16px auto 0;padding:6px 14px;max-width:90%}.flg-phonetic-text[data-v-ead89d95]{color:#756962;font-family:Times New Roman,serif;font-size:inherit}.flg-voice[data-v-ead89d95]{width:12px;height:12px;margin-left:4px;flex-shrink:0}.score-display[data-v-ead89d95]{display:flex;flex-direction:column;align-items:center;margin:12px 0 4px}.score-num[data-v-ead89d95]{font-size:clamp(17px,5vw,21px);font-weight:500}.score-stars[data-v-ead89d95]{font-size:clamp(17px,5vw,22px);margin-top:4px}.star[data-v-ead89d95]{color:#ddd;margin:0 2px}.star.filled[data-v-ead89d95]{color:#4caf50}.pron-compare[data-v-ead89d95]{display:flex;justify-content:center;gap:clamp(16px,6vw,32px);margin:10px 0}.pron-play-btn[data-v-ead89d95]{display:inline-flex;flex-direction:column;align-items:center;gap:2px;font-size:clamp(10px,3vw,12px);color:#666;cursor:pointer;user-select:none}.pron-play-icon[data-v-ead89d95]{width:16px;height:16px;border-radius:50%}.record-hint[data-v-ead89d95]{text-align:center;font-size:clamp(12px,2.5vw,14px);color:#999;margin:4px 0}.mic-area[data-v-ead89d95]{display:flex;flex-direction:column;align-items:center;margin-top:6px}.mic-btn[data-v-ead89d95]{width:clamp(46px,14vw,56px);height:clamp(46px,14vw,56px);border-radius:50%;background:#4d80f0;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none;font-size:clamp(20px,6vw,26px);transition:background .2s;box-shadow:0 4px 12px #4d80f04d}.mic-btn .icon-ytf[data-v-ead89d95]{font-size:clamp(20px,6vw,26px)}.mic-btn.recording[data-v-ead89d95]{background:#ea434b;box-shadow:0 4px 12px #ea434b4d;animation:micPulse-ead89d95 1s ease-in-out infinite}.mic-btn.evaluating[data-v-ead89d95]{background:#ff9800;box-shadow:0 4px 12px #ff98004d;animation:micPulse-ead89d95 1.5s ease-in-out infinite}@keyframes micPulse-ead89d95{0%,to{transform:scale(1)}50%{transform:scale(1.12)}}.mic-label[data-v-ead89d95]{font-size:.8125rem;color:#666;margin-top:8px}.choice-step[data-v-ead89d95]{padding:clamp(16px,4vw,24px) clamp(12px,3vw,20px)}.choice-step .word-info[data-v-ead89d95]{text-align:center}.option-list[data-v-ead89d95]{display:flex;flex-direction:column;gap:8px;margin-top:12px}.option-item[data-v-ead89d95]{display:flex;align-items:center;padding:clamp(10px,2.5vw,14px) clamp(10px,2.5vw,16px);background:#fff;border-radius:12px;border:1.5px solid #e8e8e8;cursor:pointer;transition:all .2s;gap:8px;user-select:none}.option-item.selected[data-v-ead89d95]{border-color:#4d80f0}.option-item.correct[data-v-ead89d95]{border-color:#2ec39a;background:#f0faf0}.option-item.error[data-v-ead89d95]{border-color:#ea434b;background:#fff4f4}.opt-chinese[data-v-ead89d95]{flex:1;font-size:clamp(13px,4vw,15px);color:#333}.opt-mark[data-v-ead89d95]{font-size:clamp(15px,4.5vw,18px);font-weight:700}.opt-mark.ok[data-v-ead89d95]{color:#2ec39a}.opt-mark.no[data-v-ead89d95]{color:#ea434b}.feedback-bar[data-v-ead89d95]{margin-top:16px;padding:12px 16px;border-radius:10px;font-size:.875rem;text-align:center}.feedback-bar.correct[data-v-ead89d95]{background:#f0faf0;color:#1aa06d}.feedback-bar.error[data-v-ead89d95]{background:#fff4f4;color:#d9363e}.spelling-step[data-v-ead89d95],.phonetic-transcription-step[data-v-ead89d95]{padding:16px 12px}.tips-msg[data-v-ead89d95]{text-align:center;color:#999;padding:40px 0;font-size:.875rem}.spelling-step .blanks[data-v-ead89d95],.phonetic-transcription-step .blanks[data-v-ead89d95]{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(4px,1.5vw,8px);width:100%}.spelling-step .blank-box[data-v-ead89d95],.phonetic-transcription-step .blank-box[data-v-ead89d95]{padding:1px clamp(4px,1.5vw,7px);min-width:clamp(36px,10vw,56px);width:fit-content;height:clamp(34px,10vw,48px);border:1px solid #cacaca;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:500;font-size:clamp(18px,6vw,28px);line-height:1;color:#333;cursor:pointer;user-select:none;background:#fff}.spelling-step .blank-box.sel[data-v-ead89d95],.phonetic-transcription-step .blank-box.sel[data-v-ead89d95]{border:2px solid #4d80f0}.spelling-step .blank-box.correct[data-v-ead89d95],.phonetic-transcription-step .blank-box.correct[data-v-ead89d95]{background:#e7faf4;border:2px solid #2ec39a}.spelling-step .blank-box.error[data-v-ead89d95],.phonetic-transcription-step .blank-box.error[data-v-ead89d95]{background:#fcecec;border:2px solid #ea434b}.spelling-step .candidates[data-v-ead89d95],.phonetic-transcription-step .candidates[data-v-ead89d95]{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:clamp(4px,1.5vw,10px);max-width:100%;width:100%;margin-top:12px}.spelling-step .candidate-block[data-v-ead89d95],.phonetic-transcription-step .candidate-block[data-v-ead89d95]{padding:1px clamp(4px,1.5vw,7px);min-width:clamp(36px,10vw,56px);width:fit-content;height:clamp(34px,10vw,48px);border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:500;font-size:clamp(18px,6vw,28px);line-height:1;background-color:#c8defb;cursor:pointer;user-select:none}.spelling-step .candidate-block.used[data-v-ead89d95],.phonetic-transcription-step .candidate-block.used[data-v-ead89d95]{background-color:#a2b4cb;opacity:.5;pointer-events:none}.retry-bar[data-v-ead89d95]{text-align:center;margin-top:16px}.retry-btn[data-v-ead89d95]{display:inline-flex;align-items:center;gap:6px;padding:10px 28px;border-radius:20px;font-size:.9375rem;font-weight:500;color:#4d80f0;background:#fff;border:1.5px solid #4d80f0;cursor:pointer;user-select:none;transition:all .2s}.retry-btn[data-v-ead89d95]:active{background:#f0f4ff;transform:scale(.96)}.spell-step[data-v-ead89d95]{padding:0}.spell-step.with-keyboard[data-v-ead89d95]{flex:1;display:flex;flex-direction:column;min-height:0}.spell-step.with-keyboard .test-paper[data-v-ead89d95]{flex-shrink:0}.spell-step.with-keyboard .spell-keyboard-inline[data-v-ead89d95]{margin-top:auto;margin-bottom:0}.test-paper[data-v-ead89d95]{text-align:center;padding:clamp(28px,6vw,50px) clamp(16px,4vw,34px) 0}.spell-step .test-paper .phonetic-line[data-v-ead89d95]{background:#f3f3f3;margin-top:14px}.word-input[data-v-ead89d95]{width:100%;max-width:clamp(200px,70vw,280px);padding:8px 0 4px;border:none;outline:none;font-size:clamp(18px,6vw,24px);text-align:center;background:transparent;color:#000;letter-spacing:2px;border-bottom:solid 1px #b8b8b8;border-radius:0;margin:12px auto 6px;cursor:text;font-weight:400}.word-input[data-v-ead89d95]::placeholder{color:#bbb;font-weight:400;font-size:1rem}.word-input.correct[data-v-ead89d95]{border-bottom-color:#2ec39a;color:#2ec39a}.word-input.error[data-v-ead89d95]{border-bottom-color:#ea434b;color:#ea434b}.spell-warning[data-v-ead89d95]{font-size:.75rem;color:#e6a23c;line-height:1.6;margin-top:6px;padding:0 2px;white-space:normal;word-break:break-all;animation:warnFadeIn-ead89d95 .25s ease}@keyframes warnFadeIn-ead89d95{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.translation-center[data-v-ead89d95]{text-align:center;font-size:.9375rem;color:#333;margin-top:12px;line-height:1.7}.keyboard-mask[data-v-ead89d95]{position:fixed;inset:0;background:#0006;z-index:100;display:flex;align-items:flex-end;justify-content:center}.keyboard[data-v-ead89d95]{width:100%;background:#f8f8f8;border-radius:16px 16px 0 0;padding:10px 8px 16px;box-shadow:0 -2px 5px #0000000d;animation:kbUp-ead89d95 .2s ease;font-size:1rem}@keyframes kbUp-ead89d95{0%{transform:translateY(100%)}}.keyboard-header[data-v-ead89d95]{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.keyboard-hint-btn[data-v-ead89d95]{font-size:13px;color:#4d80f0;cursor:pointer;padding:4px 10px;border-radius:12px;background:#4d80f014;user-select:none;-webkit-user-select:none}.keyboard-close[data-v-ead89d95]{font-size:14px;color:#888;cursor:pointer;padding:4px 8px;user-select:none;-webkit-user-select:none}.keyboard-body[data-v-ead89d95]{display:flex;flex-direction:column;gap:6px}.kb-row[data-v-ead89d95]{display:flex;justify-content:center;gap:5px}.kb-key[data-v-ead89d95]{min-width:26px;height:44px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:6px;font-size:17px;font-weight:500;color:#333;cursor:pointer;flex:1;max-width:38px;box-shadow:0 1px 2px #0000001a;user-select:none;-webkit-user-select:none;transition:color .15s,background-color .15s}.kb-key[data-v-ead89d95]:active{background:#e1e1e1;transform:scale(.96)}.kb-key.key-disabled[data-v-ead89d95]{background-color:#ddd;color:#aaa;pointer-events:none;box-shadow:none}.kb-key.key-shift[data-v-ead89d95]{flex:1.3;max-width:48px;background-color:#cecece;font-size:18px;font-weight:700}.kb-key.key-shift[data-v-ead89d95]:active{background-color:#ababab}.kb-key.key-delete[data-v-ead89d95]{flex:1.3;max-width:48px;background-color:#cecece;font-size:18px;font-weight:700}.kb-key.key-delete[data-v-ead89d95]:active{background-color:#ababab}.kb-key.key-space[data-v-ead89d95]{flex:2;max-width:none;min-width:120px;background-color:#cecece;font-weight:700;font-size:15px}.kb-key.key-space[data-v-ead89d95]:active{background-color:#ababab}.kb-key.key-confirm[data-v-ead89d95]{flex:2;max-width:none;min-width:120px;background-color:#cecece;font-weight:700;font-size:15px;color:#333}.kb-key.key-confirm[data-v-ead89d95]:active{background-color:#ababab}@media(min-width:768px){.keyboard[data-v-ead89d95]{padding:12px 16px 20px}.keyboard-body[data-v-ead89d95]{gap:8px}.kb-row[data-v-ead89d95]{gap:6px}.kb-key[data-v-ead89d95]{min-width:34px;height:52px;max-width:50px;font-size:20px;border-radius:8px}.kb-key.key-shift[data-v-ead89d95],.kb-key.key-delete[data-v-ead89d95]{max-width:64px;font-size:22px}.kb-key.key-space[data-v-ead89d95],.kb-key.key-confirm[data-v-ead89d95]{min-width:160px;font-size:17px}.hint-bar[data-v-ead89d95]{font-size:16px;padding:10px}.keyboard-hint-btn[data-v-ead89d95]{font-size:15px;padding:6px 14px}.keyboard-close[data-v-ead89d95]{font-size:16px}.kb-key-i[data-v-ead89d95]{min-width:30px;height:50px;max-width:42px;font-size:20px}.kb-key-i.key-shift[data-v-ead89d95],.kb-key-i.key-delete[data-v-ead89d95]{max-width:52px;font-size:16px}.kb-key-i.key-space[data-v-ead89d95],.kb-key-i.key-confirm[data-v-ead89d95]{min-width:120px;font-size:16px}}.spell-keyboard-inline[data-v-ead89d95]{background:#f8f8f8;border-radius:12px;padding:clamp(6px,1.5vw,10px) clamp(4px,1.5vw,8px) clamp(8px,2vw,14px);box-shadow:0 -1px 4px #0000000f;width:100%;box-sizing:border-box}.kb-header-inline[data-v-ead89d95]{display:flex;justify-content:space-between;margin-bottom:6px;padding:0 2px;position:relative}.kb-hint-inline[data-v-ead89d95]{position:relative;font-size:clamp(11px,3vw,13px);color:#4d80f0;padding:3px 8px;border-radius:10px;background:#4d80f014;cursor:pointer;user-select:none}.kb-hint-bubble[data-v-ead89d95]{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#4d80f0;color:#fff;font-size:clamp(12px,3.5vw,14px);font-weight:600;padding:3px 10px;border-radius:8px;white-space:nowrap;z-index:10;box-shadow:0 2px 6px #00000026}.kb-hint-bubble[data-v-ead89d95]:after{content:"";position:absolute;bottom:-5px}.kb-close-inline[data-v-ead89d95]{font-size:clamp(11px,3vw,13px);color:#888;padding:3px 6px;cursor:pointer}.kb-body-inline[data-v-ead89d95]{display:flex;flex-direction:column;gap:clamp(3px,1vw,6px)}.kb-row-i[data-v-ead89d95]{display:flex;justify-content:center;gap:clamp(3px,.8vw,5px)}.kb-key-i[data-v-ead89d95]{min-width:clamp(20px,6vw,26px);height:clamp(34px,10vw,42px);display:flex;align-items:center;justify-content:center;background:#fff;border-radius:5px;font-size:clamp(14px,4.5vw,17px);font-weight:500;color:#333;cursor:pointer;flex:1;max-width:clamp(28px,8vw,34px);box-shadow:0 1px 2px #00000014;user-select:none}.kb-key-i[data-v-ead89d95]:active{background:#e1e1e1;transform:scale(.96)}.kb-key-i.key-disabled[data-v-ead89d95]{background:#ddd;color:#aaa;pointer-events:none;box-shadow:none}.kb-key-i.key-space[data-v-ead89d95],.kb-key-i.key-confirm[data-v-ead89d95]{flex:2;max-width:none;min-width:clamp(60px,22vw,90px);background:#cecece;font-weight:700;font-size:clamp(12px,3.5vw,14px)}.kb-key-i.key-space[data-v-ead89d95]:active,.kb-key-i.key-confirm[data-v-ead89d95]:active{background:#ababab}.kb-key-i.key-shift[data-v-ead89d95],.kb-key-i.key-delete[data-v-ead89d95]{flex:1.3;max-width:clamp(34px,10vw,42px);background:#cecece;font-size:clamp(12px,3.5vw,14px);font-weight:700}.kb-key-i.key-shift[data-v-ead89d95]:active,.kb-key-i.key-delete[data-v-ead89d95]:active{background:#ababab}.kb-key-i.key-shift-active[data-v-ead89d95]{background:#4d80f0!important;color:#fff!important}.wd-footer[data-v-ead89d95]{position:fixed;bottom:0;left:0;right:0;z-index:50;background:#fff;border-top:1px solid #f0f0f0;margin:0 auto;box-shadow:0 -1px 8px #0000000a}.nav-buttons[data-v-ead89d95]{display:flex;align-items:center;justify-content:center;padding:6px 4px 8px;height:auto;min-height:68px}.nav-actions[data-v-ead89d95]{display:flex;align-items:center;justify-content:center;gap:1px}@media(min-width:768px){.nav-buttons[data-v-ead89d95]{padding:6px 8px 8px}.nav-actions[data-v-ead89d95]{width:auto;justify-content:space-between;gap:0;min-width:320px;max-width:420px}.nav-action-item[data-v-ead89d95]{padding:2px 4px;flex:0 0 auto}}.nav-action-item.disabled[data-v-ead89d95]{opacity:.35;pointer-events:none}.nav-action-item.disabled[data-v-ead89d95]:active{transform:none}.nav-action-item[data-v-ead89d95]{display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;user-select:none;padding:2px 4px;position:relative;transition:all .25s ease;min-width:52px}.nav-action-item[data-v-ead89d95]:active{transform:scale(.92)}.nav-action-icon-wrap[data-v-ead89d95]{width:clamp(35px,10vw,42px);height:clamp(35px,10vw,42px);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;box-sizing:border-box}.nav-action-icon-wrap .icon-ytf[data-v-ead89d95]{font-size:clamp(22px,6vw,28px);color:#9ca3af;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;z-index:1}.check-svg[data-v-ead89d95],.arrow-svg[data-v-ead89d95]{display:block;width:clamp(22px,6vw,28px);height:clamp(22px,6vw,28px)}.nav-action-label[data-v-ead89d95]{font-size:.9375rem;color:#9ca3af;transition:color .3s ease;font-weight:500;line-height:1}.nav-action-label.label-fav[data-v-ead89d95]{color:#f80}.nav-action-label.label-master[data-v-ead89d95]{color:#43a047}.nav-action-icon-wrap.icon-star[data-v-ead89d95],.nav-action-icon-wrap.icon-check[data-v-ead89d95],.nav-action-icon-wrap.icon-detail[data-v-ead89d95]{background:#f0f2f5}.nav-action-item.active .nav-action-icon-wrap.icon-star[data-v-ead89d95]{background:#fff3e0}.nav-action-icon-wrap.star-active .icon-ytf[data-v-ead89d95]{color:#f80}.nav-action-icon-wrap.star-active[data-v-ead89d95]:after{content:"";position:absolute;inset:-3px;border-radius:50%;border:2px solid rgba(255,136,0,.18);animation:starPulse-ead89d95 1.5s ease-out forwards}@keyframes starPulse-ead89d95{0%{transform:scale(1);opacity:.6}to{transform:scale(1.25);opacity:0}}.nav-action-icon-wrap.icon-check[data-v-ead89d95]{border:none}.nav-action-icon-wrap.icon-check .check-svg[data-v-ead89d95]{display:block;color:#9ca3af;transition:color .3s cubic-bezier(.4,0,.2,1)}.nav-action-item.active .nav-action-icon-wrap.icon-check[data-v-ead89d95]{background:linear-gradient(135deg,#43a047,#66bb6a)}.nav-action-icon-wrap.check-active .check-svg[data-v-ead89d95]{color:#fff}.nav-action-icon-wrap.check-active[data-v-ead89d95]:after{content:"";position:absolute;inset:-3px;border-radius:50%;border:2px solid rgba(67,160,71,.2);animation:checkPulse-ead89d95 1.5s ease-out forwards}@keyframes checkPulse-ead89d95{0%{transform:scale(1);opacity:.6}to{transform:scale(1.25);opacity:0}}.detail-item .nav-action-icon-wrap .icon-ytf[data-v-ead89d95]{color:#9ca3af}.detail-item:active .nav-action-icon-wrap[data-v-ead89d95]{background:#eef3ff}.detail-item:active .nav-action-icon-wrap .icon-ytf[data-v-ead89d95],.detail-item:active .nav-action-label[data-v-ead89d95]{color:#4d80f0}.arrow-svg[data-v-ead89d95]{display:block;color:#9ca3af;transition:color .3s}.icon-prev[data-v-ead89d95],.icon-next[data-v-ead89d95]{background:#f0f2f5;box-shadow:0 1px 3px #0000000f;border:1px solid rgba(0,0,0,.04)}.nav-action-item.disabled .icon-prev[data-v-ead89d95],.nav-action-item.disabled .icon-next[data-v-ead89d95]{box-shadow:none;border-color:transparent}.nav-action-item:not(.disabled):active .icon-prev[data-v-ead89d95],.nav-action-item:not(.disabled):active .icon-next[data-v-ead89d95]{background:#eef3ff;box-shadow:none;border-color:transparent}.nav-action-item:not(.disabled):active .arrow-svg[data-v-ead89d95]{color:#4d80f0}.nav-action-item:not(.disabled):active .nav-action-label[data-v-ead89d95]{color:#4d80f0}.fav-toast[data-v-ead89d95]{position:fixed;left:50%;bottom:80px;transform:translate(-50%);background:#000000b8;color:#fff;padding:8px 20px;border-radius:20px;font-size:.875rem;font-weight:500;z-index:300;white-space:nowrap;pointer-events:none;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}.fav-toast-enter-active[data-v-ead89d95]{animation:toastIn-ead89d95 .25s ease}.fav-toast-leave-active[data-v-ead89d95]{animation:toastOut-ead89d95 .2s ease forwards}@keyframes toastIn-ead89d95{0%{opacity:0;transform:translate(-50%) translateY(12px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@keyframes toastOut-ead89d95{0%{opacity:1;transform:translate(-50%) translateY(0)}to{opacity:0;transform:translate(-50%) translateY(-8px)}}.video-modal[data-v-ead89d95]{position:fixed;inset:0;background:#0009;z-index:200;display:flex;align-items:center;justify-content:center;padding:40px 20px}.video-modal-content[data-v-ead89d95]{width:100%;max-width:400px;background:#000;border-radius:16px;overflow:hidden;animation:modalIn-ead89d95 .25s ease;display:flex;flex-direction:column}@keyframes modalIn-ead89d95{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.video-modal-header[data-v-ead89d95]{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;flex-shrink:0}.video-modal-title[data-v-ead89d95]{font-size:1rem;font-weight:600;color:#333}.video-modal-close[data-v-ead89d95]{font-size:1.125rem;color:#999;cursor:pointer;padding:4px}.video-modal-body[data-v-ead89d95]{padding:0;flex:1;background:#000;display:flex;align-items:center}.video-player[data-v-ead89d95]{width:100%;display:block}.video-placeholder[data-v-ead89d95]{padding:40px;text-align:center;color:#999}.loading-wrap[data-v-ead89d95]{display:flex;align-items:center;justify-content:center;min-height:100vh;background:#f7f8fa;color:#999;font-size:.9375rem}.wb-page[data-v-6070e7c7]{display:flex;flex-direction:column;height:100dvh;overflow:hidden;background:linear-gradient(180deg,#eef3ff,#f7f8fa);position:relative}.wb-navbar[data-v-6070e7c7]{display:flex;align-items:center;height:44px;padding:0 16px;background:transparent;flex-shrink:0}.wb-navbar-left[data-v-6070e7c7]{width:36px;cursor:pointer}.wb-nav-back[data-v-6070e7c7]{font-size:24px;color:#191919;line-height:1}.wb-navbar-title[data-v-6070e7c7]{font-size:16px;font-weight:600;color:#191919;white-space:nowrap}.wb-navbar-actions[data-v-6070e7c7]{display:flex;align-items:center;gap:6px;margin-left:auto;flex-shrink:0}.wb-default[data-v-6070e7c7]{display:flex;flex-direction:column;min-height:100dvh;background:linear-gradient(180deg,#eef3ff,#f7f8fa)}.wb-notebook-list[data-v-6070e7c7]{padding:16px 12px}.wb-notebook-card[data-v-6070e7c7]{display:flex;align-items:center;padding:16px;background:#fff;border-radius:14px;cursor:pointer;box-shadow:0 2px 8px #0000000a}.wb-notebook-card[data-v-6070e7c7]:active{background:#f8f9ff}.wb-notebook-icon[data-v-6070e7c7]{width:44px;height:44px;border-radius:10px;background:#eef3ff;display:flex;align-items:center;justify-content:center;margin-right:12px;flex-shrink:0}.wb-notebook-icon .icon-ytf[data-v-6070e7c7]{font-size:18px;color:#4d80f0}.wb-notebook-info[data-v-6070e7c7]{flex:1;min-width:0}.wb-notebook-name[data-v-6070e7c7]{font-size:16px;font-weight:600;color:#191919;margin-bottom:4px}.wb-notebook-count[data-v-6070e7c7]{font-size:13px;color:#999}.wb-notebook-arrow[data-v-6070e7c7]{font-size:16px;color:#ccc;flex-shrink:0;margin-left:8px}.wb-content[data-v-6070e7c7]{display:flex;flex-direction:column;flex:1;min-height:0;overflow-y:auto}.wb-cover-row[data-v-6070e7c7]{display:flex;justify-content:center;padding:4px 16px 10px;flex-shrink:0;position:sticky;top:0;z-index:10;background:linear-gradient(180deg,#eef3ff,#f7f8fa)}.wb-word-count-dot[data-v-6070e7c7]{display:inline-block;width:10px;height:10px;border-radius:50%;background:#f97316;flex-shrink:0}.wb-word-count[data-v-6070e7c7]{font-size:14px;color:#444;font-weight:500;white-space:nowrap}.wb-cover-group[data-v-6070e7c7]{display:inline-flex;background:#ffffffa6;border:1px solid rgba(77,128,240,.15);border-radius:22px;padding:3px;gap:2px}.wb-cover-btn[data-v-6070e7c7]{padding:6px 18px;border-radius:18px;font-size:14px;font-weight:500;color:#666;background:transparent;cursor:pointer;user-select:none;transition:all .25s ease;white-space:nowrap;text-align:center;min-width:56px}.wb-cover-btn[data-v-6070e7c7]:active{transform:scale(.95)}.wb-cover-btn.active[data-v-6070e7c7]{color:#fff;background:#4d80f0;box-shadow:0 2px 8px #4d80f04d}.wb-filter-select[data-v-6070e7c7]{position:relative;display:flex;align-items:center;justify-content:center;gap:3px;padding:6px 12px;font-size:12px;color:#4d80f0;background:#ffffffbf;border-radius:16px;cursor:pointer;user-select:none;width:85px;box-sizing:border-box;box-shadow:0 1px 3px #0000000a}.wb-filter-label[data-v-6070e7c7]{white-space:nowrap}.wb-filter-arrow[data-v-6070e7c7]{font-size:8px;color:#4d80f0}.wb-filter-dropdown[data-v-6070e7c7]{position:absolute;top:100%;left:0;margin-top:4px;background:#fff;border-radius:10px;box-shadow:0 4px 16px #0000001f;z-index:20;min-width:100%;overflow:hidden;white-space:nowrap}.wb-dropdown-item[data-v-6070e7c7]{padding:12px 18px;font-size:12px;color:#333;cursor:pointer;transition:background .15s;white-space:nowrap}.wb-dropdown-item[data-v-6070e7c7]:active{background:#f0f4ff}.wb-dropdown-item.active[data-v-6070e7c7]{color:#4d80f0;font-weight:600;background:#f0f4ff}.wb-word-list[data-v-6070e7c7]{flex:1;padding:6px 16px 12px;display:flex;flex-direction:column;gap:12px}.wb-word-item[data-v-6070e7c7]{display:flex;align-items:stretch;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 2px 10px #4d80f00f;cursor:pointer;transition:box-shadow .2s,transform .15s;min-height:60px;-webkit-tap-highlight-color:transparent}.wb-word-item[data-v-6070e7c7]:active{box-shadow:0 1px 3px #4d80f01a;transform:scale(.98)}.wb-word-item.selected[data-v-6070e7c7]{box-shadow:0 0 0 3px #f97316,0 2px 10px #4d80f00f}.wb-word-item.selected .wb-word-en-col[data-v-6070e7c7]{background:linear-gradient(135deg,#fef3e7,#fde8d6)}.wb-word-item.selected .wb-word-cn-col[data-v-6070e7c7]{background:linear-gradient(135deg,#fef9e7,#fdf3d6)}.wb-word-en-col[data-v-6070e7c7]{flex:0 0 42%;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:16px;background:linear-gradient(135deg,#eef3ff,#e4eeff);min-height:100%;box-sizing:border-box}.wb-word-en-text[data-v-6070e7c7]{font-size:.9375rem;font-weight:600;color:#191919;line-height:1.3;word-break:keep-all;overflow-wrap:break-word}.wb-word-phonetic[data-v-6070e7c7]{font-size:.8125rem;color:#888;font-family:Times New Roman,serif;margin-top:3px;line-height:1.3}.wb-word-divider[data-v-6070e7c7]{width:2px;background:#fff;flex-shrink:0}.wb-word-cn-col[data-v-6070e7c7]{flex:1;display:flex;align-items:center;padding:16px;background:linear-gradient(135deg,#f7faf7,#f0f6f0);min-height:100%}.wb-word-cn-text[data-v-6070e7c7]{font-size:14px;color:#555;line-height:1.5;word-break:break-all}.wb-word-mastered[data-v-6070e7c7]{width:6px;background:#22c55e;flex-shrink:0;border-radius:0 18px 18px 0}.wb-empty[data-v-6070e7c7]{text-align:center;padding:80px 0;color:#999;font-size:14px}.wb-footer[data-v-6070e7c7]{padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));flex-shrink:0}.wb-start-btn[data-v-6070e7c7]{display:block;width:100%;padding:14px 0;background:linear-gradient(135deg,#4d80f0,#3b6fe0);color:#fff;font-size:14px;font-weight:600;text-align:center;border-radius:26px;cursor:pointer;user-select:none;box-shadow:0 4px 14px #4d80f040;transition:box-shadow .2s,transform .15s}.wb-start-btn[data-v-6070e7c7]:active{box-shadow:0 2px 6px #4d80f033;transform:scale(.97)}.wb-overlay[data-v-6070e7c7]{position:fixed;inset:0;z-index:10}.wd-detail-root[data-v-4051f0b8]{width:100%;height:100vh;height:100dvh;overflow:hidden}.wd-detail-page[data-v-4051f0b8]{position:relative;margin:0 auto;width:100%;height:100%;padding:0;overflow:hidden;background-color:#f7f8fa;display:flex;flex-direction:column}.wd-navbar[data-v-4051f0b8]{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:.75rem;background:linear-gradient(135deg,#e6f3ff,#d1e9ff);min-height:2.75rem}.wd-navbar-left[data-v-4051f0b8]{display:flex;align-items:center;min-width:2rem;cursor:pointer}.nav-back[data-v-4051f0b8]{font-size:1.625rem;line-height:1;color:#333;font-weight:300;padding:0 .25rem}.wd-navbar-title[data-v-4051f0b8]{font-size:1.0625rem;font-weight:600;color:#333;text-align:center;flex:1}.wd-navbar-right[data-v-4051f0b8]{min-width:2rem}.detail-tabs-bar[data-v-4051f0b8]{position:sticky;top:2.75rem;z-index:19;background:#fff;border-bottom:1px solid #eee;overflow-x:auto;-webkit-overflow-scrolling:touch}.detail-tabs-bar[data-v-4051f0b8]::-webkit-scrollbar{display:none}.detail-tabs-scroll[data-v-4051f0b8]{display:flex;white-space:nowrap;padding:0 .5rem}.detail-tab[data-v-4051f0b8]{position:relative;padding:.75rem .875rem;font-size:.875rem;color:#666;cursor:pointer;flex-shrink:0;text-align:center;transition:color .2s;-webkit-tap-highlight-color:transparent}.detail-tab.active .detail-tab-text[data-v-4051f0b8]{color:#4d80f0;font-weight:600}.detail-tab-indicator[data-v-4051f0b8]{position:absolute;bottom:0;left:50%;transform:translate(-50%);width:1.5rem;height:2px;background:#4d80f0;border-radius:2px}.detail-content[data-v-4051f0b8]{flex:1;overflow-y:auto;padding:0 .75rem;-webkit-overflow-scrolling:touch;scroll-padding-top:5.25rem;-ms-overflow-style:none;scrollbar-width:none}.detail-content[data-v-4051f0b8]::-webkit-scrollbar{display:none}.detail-block[data-v-4051f0b8]{padding:.75rem 0}.section-title[data-v-4051f0b8]{position:relative;width:fit-content;font-size:1rem;font-weight:600;color:#333;padding:.375rem .25rem .625rem;letter-spacing:.02em}.section-title[data-v-4051f0b8]:before{content:"";position:absolute;bottom:0;width:100%;height:4px;border-radius:4px;transform:translateY(-60%);background-color:#4d80f0}.detail-card[data-v-4051f0b8]{background:#fff;border-radius:.75rem;padding:1rem;box-shadow:0 1px 3px #0000000f}.content-footer[data-v-4051f0b8]{height:2rem}.word-name[data-v-4051f0b8]{font-size:1.5rem;font-weight:600;color:#222;letter-spacing:.04em;margin-bottom:.5rem}.pronunciations[data-v-4051f0b8]{display:flex;flex-wrap:wrap;gap:.375rem;margin-bottom:.75rem}.pronunciation[data-v-4051f0b8]{display:inline-flex;align-items:center;padding:.375rem .5rem;background-color:#e9f5ff;border-radius:.5rem;cursor:pointer}.pro-text[data-v-4051f0b8]{font-size:.6875rem;color:#333;margin-right:.25rem}.pro-voice[data-v-4051f0b8]{width:.6875rem;height:.6875rem;opacity:.7}.pro-voice.playing[data-v-4051f0b8]{opacity:1}.meanings-list[data-v-4051f0b8]{margin-top:.5rem}.meaning-item[data-v-4051f0b8]{padding:.25rem 0;display:flex;align-items:baseline;gap:.25rem}.meaning-item[data-v-4051f0b8]:first-child{padding-top:0}.m-pos[data-v-4051f0b8]{font-size:.875rem;color:#4d80f0;font-weight:500;line-height:1.5}.m-text[data-v-4051f0b8]{font-size:.9375rem;color:#222;line-height:1.5}.exam-sub-tabs[data-v-4051f0b8]{display:flex;gap:.25rem;margin-bottom:.75rem;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:.25rem}.exam-sub-tab[data-v-4051f0b8]{font-size:.8125rem;padding:.375rem .75rem;border-radius:1rem;background:#f0f2f5;color:#666;white-space:nowrap;cursor:pointer;flex-shrink:0;transition:all .2s}.exam-sub-tab.active[data-v-4051f0b8]{background:#4d80f0;color:#fff}.exam-freq-box[data-v-4051f0b8]{display:flex;align-items:center;flex-wrap:wrap;gap:.125rem;padding:.625rem .75rem;margin-bottom:.75rem;background:#f0f6ff;border:1px solid #7eb6ff;border-radius:.5rem;font-size:.8125rem}.exam-freq-label[data-v-4051f0b8]{color:#555}.exam-freq-num[data-v-4051f0b8]{color:#4d80f0;font-weight:700;font-size:1rem}.exam-freq-divider[data-v-4051f0b8]{color:#c8d9f0;margin:0 .375rem}.exam-stars[data-v-4051f0b8]{display:inline-flex;align-items:center;gap:1px}.exam-star[data-v-4051f0b8]{color:#d0d0d0;font-size:.9375rem;line-height:1}.exam-star.filled[data-v-4051f0b8]{color:#ff9800}.exam-sense-item[data-v-4051f0b8]{margin-bottom:.75rem;padding-bottom:.75rem;border-bottom:1px solid #f0f0f0}.exam-sense-item[data-v-4051f0b8]:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.exam-sense-name[data-v-4051f0b8]{font-size:.8125rem;color:#4d80f0;font-weight:500;margin-bottom:.375rem}.exam-sentence[data-v-4051f0b8]{font-size:.9375rem;color:#262626;line-height:1.5;margin-bottom:.25rem;display:flex;align-items:flex-start}.exam-sentence-text[data-v-4051f0b8]{flex:1;line-height:1.6}.sentence-voice[data-v-4051f0b8]{width:1.125rem;height:1.125rem;cursor:pointer;opacity:.7;margin-left:.375rem;flex-shrink:0}.sentence-voice.playing[data-v-4051f0b8]{opacity:1}.exam-translation[data-v-4051f0b8]{font-size:.8125rem;color:#666;margin-bottom:.125rem}.exam-source[data-v-4051f0b8]{font-size:.6875rem;color:#bbb}.tense-item[data-v-4051f0b8]{display:flex;align-items:center;padding:.5rem 0;border-bottom:1px solid #f0f0f0}.tense-item[data-v-4051f0b8]:last-child{border-bottom:none}.tense-word[data-v-4051f0b8]{font-size:.9375rem;color:#333;font-weight:500;cursor:pointer}.tense-name[data-v-4051f0b8]{font-size:.8125rem;color:#999;margin-left:.5rem}.tense-voice[data-v-4051f0b8]{width:1.125rem;height:1.125rem;cursor:pointer;opacity:.7;margin-left:auto}.phrase-item[data-v-4051f0b8]{padding:.5rem 0;border-bottom:1px solid #f0f0f0}.phrase-item[data-v-4051f0b8]:last-child{border-bottom:none}.phrase-header[data-v-4051f0b8]{display:flex;align-items:center;margin-bottom:.25rem}.phrase-num[data-v-4051f0b8]{flex-shrink:0;width:1.25rem;color:#999;font-size:.8125rem;font-weight:500}.phrase-word[data-v-4051f0b8]{font-size:.9375rem;color:#333;font-weight:500;cursor:pointer}.phrase-voice[data-v-4051f0b8]{width:1.125rem;height:1.125rem;cursor:pointer;opacity:.7;margin-left:.5rem}.phrase-meaning[data-v-4051f0b8]{font-size:.8125rem;color:#666}.sentence-item[data-v-4051f0b8]{padding:.625rem 0;border-bottom:1px solid #f0f0f0}.sentence-item[data-v-4051f0b8]:last-child{border-bottom:none}.sentence-en[data-v-4051f0b8]{font-size:.9375rem;color:#262626;line-height:1.6;margin-bottom:.25rem;display:flex;align-items:flex-start}.sentence-num[data-v-4051f0b8]{flex-shrink:0;width:1.25rem;color:#999;font-size:.8125rem;font-weight:500}.sentence-en-text[data-v-4051f0b8]{flex:1;line-height:1.6}.sentence-zh[data-v-4051f0b8]{font-size:.8125rem;color:#666}.derivative-item[data-v-4051f0b8]{padding:.5rem 0;border-bottom:1px solid #f0f0f0}.derivative-item[data-v-4051f0b8]:last-child{border-bottom:none}.derivative-header[data-v-4051f0b8]{display:flex;align-items:center;margin-bottom:.125rem}.derivative-word[data-v-4051f0b8]{font-size:.9375rem;color:#333;font-weight:500;cursor:pointer}.derivative-voice[data-v-4051f0b8]{width:1.125rem;height:1.125rem;cursor:pointer;opacity:.7;margin-left:.5rem}.derivative-mean[data-v-4051f0b8]{display:flex;align-items:baseline;gap:.25rem;padding:.125rem 0}.dm-pos[data-v-4051f0b8]{font-size:.75rem;color:#4d80f0}.dm-text[data-v-4051f0b8]{font-size:.8125rem;color:#666}.story-text[data-v-4051f0b8]{font-size:.875rem;color:#444;line-height:1.7;white-space:pre-wrap}.affix-row[data-v-4051f0b8]{display:flex;align-items:baseline;padding:.375rem 0;border-bottom:1px solid #f0f0f0}.affix-row[data-v-4051f0b8]:last-of-type{border-bottom:none}.affix-label[data-v-4051f0b8]{font-size:.8125rem;color:#4d80f0;font-weight:500;min-width:3rem;flex-shrink:0}.affix-value[data-v-4051f0b8]{font-size:.9375rem;color:#333}.affix-story[data-v-4051f0b8]{margin-top:.5rem;font-size:.8125rem;color:#666;line-height:1.6;padding:.5rem;background:#f8f9fb;border-radius:.5rem}.loading-container[data-v-4051f0b8]{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh}.loading-spinner[data-v-4051f0b8]{width:2.5rem;height:2.5rem;border:3px solid #e0e0e0;border-top-color:#4d80f0;border-radius:50%;animation:spin-4051f0b8 .8s linear infinite}@keyframes spin-4051f0b8{to{transform:rotate(360deg)}}.loading-text[data-v-4051f0b8]{margin-top:.75rem;font-size:.875rem;color:#999}.textbook-switch[data-v-90a03cd4]{display:flex;flex-direction:column;min-height:100%;background:linear-gradient(180deg,#f0f5ff,#f5f7fa 40%,#f0f2f5);padding:0 1rem 1rem;overflow-y:auto}.ts-top-bar[data-v-90a03cd4]{display:flex;align-items:center;gap:.75rem;padding:.75rem 0;flex-shrink:0}.ts-avatar-wrapper[data-v-90a03cd4]{width:2.5rem;height:2.5rem;border-radius:50%;overflow:hidden;flex-shrink:0;border:2px solid #1a73e8;background:#e8f0fe;display:flex;align-items:center;justify-content:center}.ts-avatar[data-v-90a03cd4]{width:100%;height:100%;object-fit:cover}.ts-search-box[data-v-90a03cd4]{flex:1;display:flex;align-items:center;background:#fff;border-radius:1.5rem;border:1.5px solid #e0e0e0;padding:0 .75rem;height:2.5rem;transition:border-color .2s}.ts-search-box[data-v-90a03cd4]:focus-within{border-color:#1a73e8;box-shadow:0 0 0 2px #1a73e81a}.ts-search-input[data-v-90a03cd4]{flex:1;border:none;outline:none;background:transparent;font-size:.9375rem;color:#333;line-height:1}.ts-search-input[data-v-90a03cd4]::placeholder{color:#bbb}.ts-search-btn[data-v-90a03cd4]{flex-shrink:0;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:50%;color:#1a73e8;cursor:pointer;transition:background .2s}.ts-search-btn[data-v-90a03cd4]:active{background:#1a73e81a}.ts-card[data-v-90a03cd4]{background:#fff;border-radius:1rem;padding:1.25rem 1rem 1rem;box-shadow:0 2px 12px #0000000f;display:flex;flex-direction:column;align-items:center;flex-shrink:0}.ts-card-header[data-v-90a03cd4]{width:100%;display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1rem}.ts-version-area[data-v-90a03cd4]{flex:1;min-width:0}.ts-version-name[data-v-90a03cd4]{font-size:1.15rem;font-weight:600;color:#191c1d;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ts-switch-btn[data-v-90a03cd4]{flex-shrink:0;padding:.4rem .85rem;font-size:.8125rem;color:#1a73e8;background:#e8f0fe;border:1px solid rgba(26,115,232,.2);border-radius:1.5rem;cursor:pointer;transition:all .2s;white-space:nowrap;font-weight:500;margin-left:.5rem}.ts-switch-btn[data-v-90a03cd4]:active{background:#d0e1fd;transform:scale(.96)}.ts-cover-section[data-v-90a03cd4]{display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.ts-cover-inner[data-v-90a03cd4]{width:110px;height:140px;border-radius:.5rem;overflow:hidden;background:#f0f2f5;box-shadow:0 3px 10px #0000001a}.ts-cover-img[data-v-90a03cd4]{width:100%;height:100%;object-fit:cover}.ts-stats[data-v-90a03cd4]{width:100%;display:flex;align-items:center;justify-content:center;gap:0;padding:.75rem 0;margin-bottom:.5rem}.ts-stat-item[data-v-90a03cd4]{flex:1;display:flex;flex-direction:column;align-items:center;gap:.15rem}.ts-stat-num[data-v-90a03cd4]{font-size:1.125rem;font-weight:700;color:#191c1d}.ts-stat-label[data-v-90a03cd4]{font-size:.75rem;color:#999}.ts-stat-divider[data-v-90a03cd4]{width:1px;height:2rem;background:#e5e7eb}.ts-unit-btn[data-v-90a03cd4]{width:100%;padding:.85rem;font-size:1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,#1a73e8,#1557b0);border:none;border-radius:.75rem;cursor:pointer;transition:all .2s;box-shadow:0 4px 12px #1a73e840;letter-spacing:.02rem}.ts-unit-btn[data-v-90a03cd4]:active{transform:scale(.975);box-shadow:0 2px 6px #1a73e833}.loading-state[data-v-90a03cd4]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:3rem 0;color:#999;font-size:.9375rem}.loading-spin[data-v-90a03cd4]{width:2rem;height:2rem;border:.1875rem solid #f3f3f3;border-top:.1875rem solid #1a73e8;border-radius:50%;animation:spin-90a03cd4 .9s linear infinite}@keyframes spin-90a03cd4{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.book-category-select[data-v-cb0c2ef1]{position:fixed;inset:0;width:100%;overflow:hidden;display:flex;flex-direction:column;box-sizing:border-box;background:#eef5ff;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,sans-serif;color:#1a1d21}.top-gradient[data-v-cb0c2ef1]{flex-shrink:0;background:linear-gradient(180deg,#78b6fb,#a4ccf8 35%,#eef5ff)}.nav-bar[data-v-cb0c2ef1]{height:2.75rem;display:flex;align-items:center;justify-content:space-between;padding:0 .75rem}.nav-back[data-v-cb0c2ef1],.nav-placeholder[data-v-cb0c2ef1]{width:1.625rem}.nav-back[data-v-cb0c2ef1]{color:#1a1d21;font-size:1.8125rem;line-height:1;font-weight:300;margin-top:-.125rem;cursor:pointer;-webkit-tap-highlight-color:transparent}.nav-title[data-v-cb0c2ef1]{font-size:1.0625rem;color:#1a1d21;font-weight:600;letter-spacing:.01563rem}.grade-tabs[data-v-cb0c2ef1]{height:2.5rem}.grade-tabs-inner[data-v-cb0c2ef1]{display:inline-flex;align-items:center;height:100%;min-width:100%;width:max-content;padding:0 .5rem;box-sizing:border-box;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.grade-tabs-inner[data-v-cb0c2ef1]::-webkit-scrollbar{display:none}.grade-tab+.grade-tab[data-v-cb0c2ef1]{margin-left:1.875rem}.grade-tab[data-v-cb0c2ef1]{flex:0 0 auto;height:100%;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;box-sizing:border-box;cursor:pointer;-webkit-tap-highlight-color:transparent}.grade-tab-text[data-v-cb0c2ef1]{color:#1a1d21;font-size:.875rem;line-height:1.22;font-weight:400;white-space:nowrap}.grade-tab-line[data-v-cb0c2ef1]{margin-top:.25rem;width:1.375rem;height:.1875rem;border-radius:31.21875rem;background:transparent;transition:background .2s}.grade-tab.active .grade-tab-text[data-v-cb0c2ef1]{color:#53a0f8;font-weight:600}.grade-tab.active .grade-tab-line[data-v-cb0c2ef1]{background:#53a0f8}.content-sheet[data-v-cb0c2ef1]{flex:1;min-height:0;display:flex;margin-top:.25rem;overflow:hidden}.scroll-body-y[data-v-cb0c2ef1]{height:calc(100vh - 5.5rem);height:calc(100dvh - 5.5rem);box-sizing:border-box}.category-sidebar[data-v-cb0c2ef1]{width:6.25rem;flex-shrink:0;background:#eef5ff;padding:.375rem 0;box-sizing:border-box;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}.category-sidebar[data-v-cb0c2ef1]::-webkit-scrollbar{display:none}.category-item[data-v-cb0c2ef1]{min-height:2.8125rem;padding:.25rem .3125rem .1875rem;display:flex;flex-direction:column;justify-content:center;align-items:center;background:transparent;color:#1a1d21;font-weight:400;text-align:center;box-sizing:border-box;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:font-weight .15s}.category-item.active[data-v-cb0c2ef1]{background:transparent;color:#1a1d21;font-weight:700}.category-name[data-v-cb0c2ef1]{font-size:.78125rem;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.22;word-break:break-word}.category-line[data-v-cb0c2ef1]{width:1.625rem;height:.15625rem;margin-top:.125rem;border-radius:3.09375rem;background:transparent;transition:background .2s}.category-item.active .category-line[data-v-cb0c2ef1]{background:#53a0f8}.book-panel-shell[data-v-cb0c2ef1]{flex:1;min-width:0;background:#eef5ff;border-top-left-radius:.625rem;overflow:hidden;display:flex}.book-panel[data-v-cb0c2ef1]{flex:1;min-width:0;background:#fff;padding:.625rem .875rem 1.25rem .625rem;box-sizing:border-box;border-top-left-radius:.625rem;overflow-y:auto;scrollbar-width:none;-ms-overflow-style:none}.book-panel[data-v-cb0c2ef1]::-webkit-scrollbar{display:none}.book-grid[data-v-cb0c2ef1]{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}.book-item[data-v-cb0c2ef1]{display:flex;flex-direction:column;align-items:stretch;background:#fff;cursor:pointer;transition:transform .12s;content-visibility:auto;contain-intrinsic-size:auto 11rem}.book-item[data-v-cb0c2ef1]:active{transform:scale(.96)}@media(min-width:481px){.book-grid[data-v-cb0c2ef1]{grid-template-columns:repeat(4,1fr);gap:.5rem}.book-item[data-v-cb0c2ef1]{max-width:11rem}}@media(min-width:768px){.book-grid[data-v-cb0c2ef1]{grid-template-columns:repeat(5,1fr);gap:.625rem}.book-item[data-v-cb0c2ef1]{max-width:11.25rem}}@media(min-width:1025px){.book-grid[data-v-cb0c2ef1]{grid-template-columns:repeat(6,1fr);gap:.625rem}.book-item[data-v-cb0c2ef1]{max-width:11.5rem}}.book-cover-wrap[data-v-cb0c2ef1]{position:relative;width:100%;aspect-ratio:3 / 4;background:linear-gradient(135deg,#eef3ff,#f5f7ff);border-radius:.5rem;overflow:hidden;display:flex;align-items:center;justify-content:center}.book-cover[data-v-cb0c2ef1]{width:100%;height:100%;display:block;object-fit:contain;border-radius:.375rem}.book-words-badge[data-v-cb0c2ef1]{position:absolute;bottom:4px;right:4px;padding:2px 6px;font-size:9px;color:#fff;background:#53a0f8d1;border-radius:6px;font-weight:600;line-height:1.4;white-space:nowrap}.book-title[data-v-cb0c2ef1]{margin-top:.3125rem;width:100%;font-size:.65625rem;font-weight:400;color:#333;line-height:1.28;text-align:center;word-break:break-word;overflow:hidden}.book-empty[data-v-cb0c2ef1]{height:16.25rem;display:flex;align-items:center;justify-content:center}.book-empty-text[data-v-cb0c2ef1]{font-size:.75rem;color:#9aa1ad}.loading-state[data-v-cb0c2ef1]{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#eef5ff;color:#9aa1ad;font-size:.75rem}.loading-spin[data-v-cb0c2ef1]{width:28px;height:28px;border:3px solid #d6e8fa;border-top-color:#53a0f8;border-radius:50%;animation:spin-cb0c2ef1 .6s linear infinite}@keyframes spin-cb0c2ef1{to{transform:rotate(360deg)}}.unit-studies-page[data-v-004eff3b]{width:100%;height:100vh;height:100dvh;background:#fff;display:flex;flex-direction:column;overflow:hidden}.wd-navbar[data-v-004eff3b]{display:flex;align-items:center;height:44px;padding:0 16px;background:#fff;flex-shrink:0;z-index:50}.wd-navbar__left[data-v-004eff3b]{width:40px;cursor:pointer;flex-shrink:0}.wd-nav-left-arrow[data-v-004eff3b]{font-size:28px;color:#191919;line-height:1}.wd-navbar__title[data-v-004eff3b]{flex:1;text-align:center;font-size:17px;font-weight:600;color:#191919;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wd-navbar__right[data-v-004eff3b]{width:40px;flex-shrink:0}.unit-studies-tabs[data-v-004eff3b]{flex-shrink:0;position:relative;z-index:20}.unit-tabs-scroll[data-v-004eff3b]{overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;border-bottom:1px solid #f0f0f0;scrollbar-width:none;-ms-overflow-style:none}.unit-tabs-scroll[data-v-004eff3b]::-webkit-scrollbar{display:none}.unit-tabs-inner[data-v-004eff3b]{display:inline-flex;padding:0 8px;min-width:100%}.unit-tab[data-v-004eff3b]{padding:12px 16px;cursor:pointer;position:relative;flex-shrink:0}.unit-tab-text[data-v-004eff3b]{font-size:16px;font-weight:500;color:#666;line-height:20px}.unit-tab--active .unit-tab-text[data-v-004eff3b]{color:#1592ff;font-weight:600}.unit-tab--active[data-v-004eff3b]:after{content:"";position:absolute;bottom:0;left:16px;right:16px;height:3px;background:#1592ff;border-radius:3px 3px 0 0}.learn-read-container[data-v-004eff3b]{width:100%;margin-top:-60px;margin-bottom:10px;padding:0 10px;position:relative;z-index:5;flex-shrink:0;box-sizing:border-box}.learn-words-tab-container[data-v-004eff3b]{position:relative;bottom:-74px;width:100%}.learn-words-tab[data-v-004eff3b]{position:relative;width:50%;height:65px;background-color:#f1f9ff;margin-bottom:-1px;z-index:5;border-radius:20px 10px 0 0;border:1px #fff solid;border-bottom:none;display:flex;justify-content:center;align-items:center;gap:6px}.learn-words-tab[data-v-004eff3b]:before{content:"";position:absolute;bottom:0;right:-38.5px;width:40px;height:62px;background:#fff;clip-path:polygon(100% 100%,0 0,0 100%);z-index:3}.learn-words-tab[data-v-004eff3b]:after{content:"";position:absolute;bottom:0;right:-37.5px;width:40px;height:62px;background-color:#f1f9ff;clip-path:polygon(100% 100%,0 0,0 100%);z-index:5}.learn-words-flex[data-v-004eff3b]{position:relative;left:15px;top:5px;display:flex;justify-content:center;align-items:center;gap:10px}.no-learn-words-tab-container[data-v-004eff3b]{position:relative;bottom:-79px;width:100%}.no-learn-words-tab[data-v-004eff3b]{position:relative;width:50%;height:75px;background:linear-gradient(to bottom,#63b5fe,#c2e1ff);margin-bottom:-1px;z-index:3;border-radius:20px 0 0;border:1px #fff solid;border-bottom:none;display:flex;justify-content:center;align-items:center;gap:6px}.no-learn-words-flex[data-v-004eff3b]{position:relative;top:-5px;right:2.5px;display:flex;justify-content:center;align-items:center;gap:10px}.read-text-tab-container[data-v-004eff3b]{position:relative;left:-2.5px;bottom:-15px;width:100%}.read-text-tab[data-v-004eff3b]{position:relative;left:50%;width:calc(50% + 2.5px);height:75px;background:linear-gradient(to bottom,#63b5fe,#c2e1ff);margin-bottom:-1px;z-index:3;border-radius:0 20px 0 0;border:1px #fff solid;border-bottom:none;display:flex;justify-content:center;align-items:center;gap:6px}.read-text-flex[data-v-004eff3b]{position:relative;right:-5px;top:-5px;display:flex;justify-content:center;align-items:center;gap:10px}.no-read-text-tab-container[data-v-004eff3b]{position:relative;bottom:0;left:-2.5px;width:100%}.no-read-text-tab[data-v-004eff3b]{position:relative;left:50%;width:calc(50% + 2.5px);height:65px;background-color:#f1f9ff;margin-bottom:-1px;z-index:5;border-radius:10px 20px 0 0;border:1px #fff solid;border-bottom:none;display:flex;justify-content:center;align-items:center;gap:6px}.no-read-text-tab[data-v-004eff3b]:before{content:"";position:absolute;bottom:0;left:-38.5px;width:40px;height:62px;background:#fff;clip-path:polygon(0 100%,100% 0,100% 100%);z-index:3}.no-read-text-tab[data-v-004eff3b]:after{content:"";position:absolute;bottom:0;left:-37.5px;width:40px;height:62px;background-color:#f1f9ff;clip-path:polygon(0 100%,100% 0,100% 100%);z-index:5}.no-read-text-flex[data-v-004eff3b]{position:relative;left:-15px;top:5px;display:flex;justify-content:center;align-items:center;gap:10px}.tab-icon[data-v-004eff3b]{width:16px;height:16px}.tab-label[data-v-004eff3b]{font-weight:500;font-size:16px;color:#fff;position:relative}.tab-label-active[data-v-004eff3b]{color:#1592ff!important}.effect-icon[data-v-004eff3b]{position:absolute;top:-7.5px;right:-7.5px;width:20px;height:22px}.main-content-area[data-v-004eff3b]{flex:1;overflow-y:auto;background:#f1f9ff;padding:0 10px}.learn-read-box[data-v-004eff3b]{width:100%;background-color:#f1f9ff;border-radius:0 0 20px 20px;border:1px solid #fff;padding:5px 12.5px 15px;position:relative;z-index:4;box-sizing:border-box}.learn-box-header[data-v-004eff3b]{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.learn-read-title[data-v-004eff3b]{font-weight:500;font-size:12px;color:#333}.segmented-control[data-v-004eff3b]{width:161.5px;height:26px;display:flex;background:transparent;overflow:hidden;border:.5px solid #1592ff;border-radius:99px}.segment[data-v-004eff3b]{flex:1;text-align:center;line-height:26px;font-size:10px;font-weight:500;color:#1592ff;position:relative;cursor:pointer}.segment[data-v-004eff3b]:after{content:"";position:absolute;top:0;right:-.5px;width:.5px;height:100%;background:#1592ff}.segment[data-v-004eff3b]:last-child:after{display:none}.segment.active[data-v-004eff3b]{background-color:#1592ff;color:#fff}.segment.active[data-v-004eff3b]:after{display:none}.learn-read-box-content[data-v-004eff3b]{display:flex;flex-direction:column;gap:10px}.learn-read-item[data-v-004eff3b]{width:100%;min-height:85px;display:flex;justify-content:space-between;align-items:center;background-color:#fff;border-radius:16px;border:2px solid #fff;cursor:pointer;box-sizing:border-box}.learn-read-item.active[data-v-004eff3b]{border-color:#1592ff!important}.learn-read-item.active .learn-read-item-right[data-v-004eff3b]{background-color:#dff0ff}.learn-read-item-left[data-v-004eff3b]{width:140px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;margin:0 8px;flex-shrink:0}.learn-read-item-name[data-v-004eff3b]{font-weight:700;width:100%;font-size:20px;color:#013782;display:flex;flex-wrap:wrap}.learn-read-item-syllable[data-v-004eff3b]{font-weight:400;font-size:11.5px;color:#013782;word-break:break-all}.learn-read-item-right[data-v-004eff3b]{flex:1;min-height:85px;padding:10px;background-color:#f3f9ff;border-radius:16px;display:flex;align-items:center;box-sizing:border-box;overflow:hidden}.des[data-v-004eff3b]{text-align:justify;display:flex;justify-content:center;align-items:center;min-height:100%;font-weight:400;font-size:12px;color:#666;line-height:1.5;word-break:break-word}.learn-blur-text[data-v-004eff3b]{filter:blur(6px);opacity:.7;pointer-events:none;user-select:none}.read-box[data-v-004eff3b]{padding-top:5px}.read-box-header[data-v-004eff3b]{margin-top:-10px}.page-tabs-scroll[data-v-004eff3b]{overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap;scrollbar-width:none;-ms-overflow-style:none}.page-tabs-scroll[data-v-004eff3b]::-webkit-scrollbar{display:none}.page-tabs-inner[data-v-004eff3b]{display:inline-flex;min-width:100%}.page-tab[data-v-004eff3b]{padding:8px 16px;cursor:pointer;flex-shrink:0}.page-tab-text[data-v-004eff3b]{font-size:14px;font-weight:500;color:#666}.page-tab--active .page-tab-text[data-v-004eff3b]{color:#1592ff;font-weight:600}.read-content-box[data-v-004eff3b]{margin-top:5px}.read-content-item[data-v-004eff3b]{padding:16px 0 17.5px;border-bottom:1px solid #dedede;cursor:pointer}.en-content[data-v-004eff3b]{font-weight:700;font-size:16px;color:#000;margin-bottom:10px;display:inline-block;word-break:break-word}.en-content-wrapper[data-v-004eff3b]{display:inline-block}.readAI-text[data-v-004eff3b]{color:#1592ff!important}.ch-content[data-v-004eff3b]{font-weight:500;font-size:14px;color:#666;display:inline-block;word-break:break-word}.read-blur-text[data-v-004eff3b]{filter:blur(6px);opacity:.7;pointer-events:none;user-select:none}.read-empty[data-v-004eff3b]{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:50px 0;gap:8px}.read-empty-text[data-v-004eff3b]{font-size:16px;font-weight:600;color:#191919}.read-empty-desc[data-v-004eff3b]{font-size:13px;color:#999}.no-words-tip[data-v-004eff3b]{display:flex;justify-content:center;padding:40px 0;color:#999;font-size:14px}.unit-studies-footer[data-v-004eff3b]{width:100%;background-color:#fff;padding:7.5px 16px;padding-bottom:calc(7.5px + env(safe-area-inset-bottom,0px));flex-shrink:0;border-top:1px solid #f0f0f0;display:flex;justify-content:center;align-items:center}.footer-btn[data-v-004eff3b]{width:147px;height:36px;line-height:36px;background-color:#1592ff;border-radius:24px;text-align:center;cursor:pointer}.footer-btn[data-v-004eff3b]:active{opacity:.85}.footer-btn-text[data-v-004eff3b]{font-weight:400;font-size:18px;color:#fff}.read-studies-footer[data-v-004eff3b]{width:100%;background-color:#fff;padding:7.5px 16px;padding-bottom:calc(7.5px + env(safe-area-inset-bottom,0px));flex-shrink:0;border-top:1px solid #f0f0f0;display:flex;justify-content:space-around;align-items:center;height:53px}.read-footer-cover[data-v-004eff3b],.read-footer-follow[data-v-004eff3b]{display:flex;flex-direction:column;align-items:center;gap:1px;cursor:pointer}.read-footer-play[data-v-004eff3b]{cursor:pointer;display:flex;align-items:center}.read-footer-label[data-v-004eff3b]{font-size:11px;color:#666}.app[data-v-3e5e6870]{display:flex;flex-direction:column;min-height:100vh;background:#f5f5f5;position:fixed;inset:0;overflow:hidden}.main-content[data-v-3e5e6870]{flex:1;overflow-y:auto;overflow-x:hidden;padding-bottom:0!important;margin-bottom:0!important;height:calc(100vh - 60px);height:calc(100dvh - 60px);box-sizing:border-box;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.tabbar[data-v-3e5e6870]{position:fixed;bottom:0;left:0;right:0;width:100%;background-color:#fff;border-top:1px solid #e8e8e8;display:flex;justify-content:space-around;padding:.625rem 0;padding-bottom:calc(.625rem + env(safe-area-inset-bottom));z-index:100}.tabbar-item[data-v-3e5e6870]{display:flex;flex-direction:column;align-items:center;cursor:pointer;color:#999;padding:.375rem 0;flex:1;transition:color .2s ease;-webkit-tap-highlight-color:transparent;outline:none}.tabbar-item.disabled[data-v-3e5e6870]{opacity:.5;cursor:not-allowed;pointer-events:none}.tabbar-item.active[data-v-3e5e6870]{color:#1a73e8}.tabbar-icon[data-v-3e5e6870]{width:1.625rem;height:1.625rem;margin-bottom:.3125rem}.tabbar-icon-text[data-v-3e5e6870]{font-size:1.5rem;margin-bottom:.3125rem;line-height:1}.tabbar-item span[data-v-3e5e6870]{font-size:.71875rem;letter-spacing:.02rem}