#app{min-height:100vh;background:var(--ielts-gradient-background)}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (max-width: 768px){.ant-card{margin:8px!important}}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.page-loading-container[data-v-b5960001]{position:fixed;top:0;left:0;width:100%;height:100vh;background:linear-gradient(135deg,#fff,#f8f9fa);display:flex;align-items:center;justify-content:center;z-index:9999;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.loading-content[data-v-b5960001]{text-align:center;animation:fadeIn-b5960001 .5s ease-in-out}.loading-spinner[data-v-b5960001]{display:inline-block;position:relative;width:80px;height:80px;margin-bottom:24px}.spinner-ring[data-v-b5960001]{box-sizing:border-box;display:block;position:absolute;width:64px;height:64px;margin:8px;border:6px solid #DC143C;border-radius:50%;animation:ring-b5960001 1.2s cubic-bezier(.5,0,.5,1) infinite;border-color:#DC143C transparent transparent transparent}.spinner-ring[data-v-b5960001]:nth-child(1){animation-delay:-.45s}.spinner-ring[data-v-b5960001]:nth-child(2){animation-delay:-.3s}.spinner-ring[data-v-b5960001]:nth-child(3){animation-delay:-.15s}.loading-title[data-v-b5960001]{font-size:1.5rem;font-weight:700;color:#dc143c;margin:0 0 8px;letter-spacing:-.3px}.loading-text[data-v-b5960001]{font-size:16px;color:#6c757d;margin:0;font-weight:500}@keyframes ring-b5960001{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadeIn-b5960001{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.loading-spinner[data-v-b5960001]{width:60px;height:60px}.spinner-ring[data-v-b5960001]{width:48px;height:48px;margin:6px;border-width:4px}.loading-title[data-v-b5960001]{font-size:1.3rem}.loading-text[data-v-b5960001]{font-size:14px}}.login-container[data-v-1359a43d]{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--ielts-gradient-background);position:relative;overflow:hidden;overflow-x:hidden;overscroll-behavior:none}.login-container[data-v-1359a43d]:before{content:"";position:absolute;width:200%;height:200%;background:radial-gradient(circle at 30% 70%,rgba(196,30,58,.08) 0%,transparent 50%);top:-50%;left:-50%;animation:rotate-1359a43d 30s linear infinite}@keyframes rotate-1359a43d{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-box[data-v-1359a43d]{background:var(--ielts-white);padding:50px 40px;border-radius:var(--ielts-radius-xlarge);box-shadow:var(--ielts-shadow-large);width:100%;max-width:450px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(196,30,58,.1);position:relative;z-index:1}.ielts-logo[data-v-1359a43d]{text-align:center;margin-bottom:40px}.ielts-text[data-v-1359a43d]{font-size:3.5rem;font-weight:900;background:var(--ielts-gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-2px;margin-bottom:0}.app-title[data-v-1359a43d]{color:var(--ielts-gray-dark);font-weight:700;font-size:2rem;letter-spacing:-.5px}.app-subtitle[data-v-1359a43d]{color:var(--ielts-gray);margin:0;font-size:16px;font-weight:500}.login-form[data-v-1359a43d]{margin-bottom:30px}[data-v-1359a43d] .ant-form-item-label>label{font-weight:600;color:var(--ielts-gray-dark);font-size:15px}.ielts-input[data-v-1359a43d]{border-radius:var(--ielts-radius-medium)!important;border:2px solid #E9ECEF!important;transition:all .3s ease!important}.ielts-input[data-v-1359a43d]:hover{border-color:var(--ielts-red-light)!important}.ielts-input[data-v-1359a43d]:focus{border-color:var(--ielts-red)!important;box-shadow:0 0 0 3px #c41e3a1a!important}.input-icon[data-v-1359a43d]{color:var(--ielts-red);font-size:18px}.login-button[data-v-1359a43d]{height:55px;font-size:16px;font-weight:600;border-radius:var(--ielts-radius-medium);margin-top:20px;background:var(--ielts-gradient-primary);border:none;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.login-button[data-v-1359a43d]:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#fff3;border-radius:50%;transform:translate(-50%,-50%);transition:width .3s ease,height .3s ease}.login-button[data-v-1359a43d]:hover:before{width:300px;height:300px}.login-button[data-v-1359a43d]:hover{transform:translateY(-2px);box-shadow:var(--ielts-shadow-medium)}.login-button[data-v-1359a43d]:active{transform:translateY(0)}.loading-text[data-v-1359a43d]{display:flex;align-items:center;gap:8px;color:#fff!important}.features-preview[data-v-1359a43d]{display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid #F1F3F4}.feature-item[data-v-1359a43d]{display:flex;align-items:center;gap:12px;padding:8px 0;color:var(--ielts-gray);font-size:14px;font-weight:500}.feature-icon[data-v-1359a43d]{font-size:18px}@media (max-width: 768px){.login-container[data-v-1359a43d]{padding:20px 10px 10px;align-items:flex-start}.login-box[data-v-1359a43d]{padding:32px 24px;border-radius:var(--ielts-radius-large);max-width:100%;margin-top:10px}.ielts-text[data-v-1359a43d]{font-size:2.8rem;letter-spacing:-1px}.app-title[data-v-1359a43d]{font-size:1.6rem;margin-bottom:6px}.app-subtitle[data-v-1359a43d]{font-size:14px;margin-bottom:8px}.ielts-logo[data-v-1359a43d]{margin-bottom:16px}.login-form[data-v-1359a43d]{margin-bottom:24px}[data-v-1359a43d] .ant-form-item{margin-bottom:20px}[data-v-1359a43d] .ant-form-item-label>label{font-size:14px;margin-bottom:6px}.ielts-input[data-v-1359a43d]{height:48px!important;font-size:15px!important;border-radius:10px!important}.input-icon[data-v-1359a43d]{font-size:16px}.login-button[data-v-1359a43d]{height:50px;font-size:15px;margin-top:16px;border-radius:10px}.features-preview[data-v-1359a43d]{gap:10px;padding-top:16px}.feature-item[data-v-1359a43d]{gap:10px;padding:6px 0;font-size:13px}.feature-icon[data-v-1359a43d]{font-size:16px}}@media (max-width: 480px){.login-container[data-v-1359a43d]{padding:15px 8px 8px}.login-box[data-v-1359a43d]{padding:28px 20px;border-radius:16px}.ielts-text[data-v-1359a43d]{font-size:2.4rem;letter-spacing:-.5px}.app-title[data-v-1359a43d]{font-size:1.4rem}.app-subtitle[data-v-1359a43d]{font-size:13px}.login-button[data-v-1359a43d]{height:48px;font-size:14px}[data-v-1359a43d] .ant-form-item{margin-bottom:18px}.ielts-input[data-v-1359a43d]{height:46px!important;font-size:14px!important}}@media (max-width: 360px){.login-box[data-v-1359a43d]{padding:24px 16px}.ielts-text[data-v-1359a43d]{font-size:2.2rem}.app-title[data-v-1359a43d]{font-size:1.3rem}.features-preview[data-v-1359a43d]{display:grid;grid-template-columns:1fr;gap:8px}.feature-item[data-v-1359a43d]{justify-content:center;text-align:center}}@media (prefers-color-scheme: dark){.login-box[data-v-1359a43d]{background:#111827f2;border:1px solid rgba(196,30,58,.2)}.app-title[data-v-1359a43d]{color:#f9fafb}.app-subtitle[data-v-1359a43d]{color:#d1d5db}.features-preview[data-v-1359a43d]{border-top-color:#374151}.feature-item[data-v-1359a43d]{color:#d1d5db}[data-v-1359a43d] .ant-form-item-label>label{color:#f9fafb}}[data-v-9324bdd7]:root{--ielts-red: #DC143C;--ielts-red-light: #FF6B6B;--ielts-red-lighter: #FFE5E5;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #343A40;--ielts-shadow: 0 4px 12px rgba(220, 20, 60, .1);--ielts-shadow-hover: 0 8px 25px rgba(220, 20, 60, .15)}.header-section[data-v-9324bdd7]{background:var(--ielts-white);border-bottom:1px solid #E9ECEF;box-shadow:0 2px 8px #0000000a}.header-content[data-v-9324bdd7]{margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:10px 20px}.logo-area[data-v-9324bdd7]{text-align:left;cursor:pointer}.brand-title[data-v-9324bdd7]{margin:0 0 8px;font-size:2.8rem;font-weight:900;display:flex;align-items:baseline;text-shadow:0 2px 4px rgba(0,0,0,.1);letter-spacing:-.02em;justify-content:start;flex-direction:column}.ielts-logo[data-v-9324bdd7]{color:var(--ielts-red);letter-spacing:-1px;font-weight:900;text-shadow:0 3px 10px rgba(220,20,60,.2);margin-bottom:0}.brand-sub[data-v-9324bdd7]{color:var(--ielts-gray-dark);font-size:2.2rem;font-weight:700;text-shadow:0 2px 6px rgba(45,55,72,.1);margin-top:0}.brand-description[data-v-9324bdd7]{color:var(--ielts-gray-dark);margin:0;font-size:17px;font-weight:600;opacity:.9;text-shadow:0 1px 3px rgba(45,55,72,.1)}.logout-button[data-v-9324bdd7]{background:var(--ielts-red);border:none;border-radius:8px;height:44px;padding:0 24px;font-weight:600;font-size:14px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--ielts-shadow);text-shadow:0 1px 2px rgba(0,0,0,.1)}.logout-button[data-v-9324bdd7]:hover{background:var(--ielts-red-light);transform:translateY(-1px);box-shadow:var(--ielts-shadow-hover)}.logout-button[data-v-9324bdd7]:active{transform:translateY(0)}@media (max-width: 768px){.header-content[data-v-9324bdd7]{flex-direction:column;gap:16px}.logo-area[data-v-9324bdd7]{text-align:left}.brand-title[data-v-9324bdd7]{font-size:2.4rem;justify-content:start}.brand-sub[data-v-9324bdd7]{font-size:1.8rem}.brand-description[data-v-9324bdd7]{font-size:16px}}@media (max-width: 480px){.header-section[data-v-9324bdd7]{padding:20px 16px}.header-content[data-v-9324bdd7]{flex-direction:row;text-align:left;gap:12px;justify-content:space-between}.brand-title[data-v-9324bdd7]{font-size:2.2rem;flex-direction:column;gap:4px;justify-content:start;text-align:left;width:100%}.brand-sub[data-v-9324bdd7]{font-size:1.6rem}.brand-description[data-v-9324bdd7]{font-size:15px}.logout-button[data-v-9324bdd7]{width:100%;max-width:200px}.logo-area[data-v-9324bdd7]{text-align:left;width:100%}}@media (max-width: 360px){.brand-title[data-v-9324bdd7]{font-size:2rem}.brand-sub[data-v-9324bdd7]{font-size:1.4rem}.brand-description[data-v-9324bdd7]{font-size:14px}}[data-v-79e3acbe]:root{--ielts-red: #DC143C;--ielts-red-light: #FF6B6B;--ielts-red-lighter: #FFE5E5;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #343A40;--ielts-shadow: 0 4px 12px rgba(220, 20, 60, .1);--ielts-shadow-hover: 0 8px 25px rgba(220, 20, 60, .15)}.function-list-container[data-v-79e3acbe]{min-height:100vh;background:linear-gradient(135deg,#fff,#f8f9fa);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow-x:hidden;overscroll-behavior:none}.main-content[data-v-79e3acbe]{max-width:1200px;margin:0 auto;padding:40px 40px 60px}.section-title[data-v-79e3acbe]{font-size:2rem;font-weight:800;color:var(--ielts-red);margin-bottom:24px;text-align:center;letter-spacing:-.5px;text-shadow:0 1px 2px rgba(220,20,60,.1)}.cards-section[data-v-79e3acbe]{margin-bottom:60px}.cards-grid[data-v-79e3acbe]{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;margin-top:32px}.function-card[data-v-79e3acbe]{background:var(--ielts-white);border-radius:16px;padding:32px;border:2px solid transparent;box-shadow:var(--ielts-shadow);transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.function-card[data-v-79e3acbe]:hover{transform:translateY(-4px);box-shadow:var(--ielts-shadow-hover);border-color:var(--ielts-red-lighter)}.active-card[data-v-79e3acbe]{background:var(--ielts-red);color:var(--ielts-white);border-color:var(--ielts-red)}.active-card[data-v-79e3acbe]:hover{background:var(--ielts-red-light);border-color:var(--ielts-red-light)}.coming-soon-card[data-v-79e3acbe]{background:var(--ielts-gray-light);cursor:not-allowed;opacity:.7}.coming-soon-card[data-v-79e3acbe]:hover{transform:none;border-color:transparent}.card-header[data-v-79e3acbe]{text-align:center;margin-bottom:20px}.card-icon[data-v-79e3acbe]{font-size:3rem;margin-bottom:16px;display:flex;justify-content:center;align-items:center}.card-icon .anticon[data-v-79e3acbe]{font-size:3rem}.active-card .card-icon .anticon[data-v-79e3acbe]{color:var(--ielts-white)}.card-title[data-v-79e3acbe]{font-size:1.7rem;font-weight:800;margin:0 0 12px;color:inherit;letter-spacing:-.3px}.active-card .card-title[data-v-79e3acbe]{color:#fff!important;text-shadow:0 1px 2px rgba(0,0,0,.2)}.card-description[data-v-79e3acbe]{font-size:15px;line-height:1.6;opacity:.95;margin-bottom:24px;font-weight:500;text-align:center}.active-card .card-description[data-v-79e3acbe]{color:#fff!important;text-shadow:0 1px 1px rgba(0,0,0,.1)}.card-stats[data-v-79e3acbe]{display:flex;justify-content:space-around;margin-bottom:20px}.stat-item[data-v-79e3acbe]{text-align:center}.stat-number[data-v-79e3acbe]{display:block;font-size:2rem;font-weight:900;margin-bottom:4px;letter-spacing:-.5px}.active-card .stat-number[data-v-79e3acbe]{color:#fff!important;text-shadow:0 1px 2px rgba(0,0,0,.3)}.function-card:not(.active-card) .stat-number[data-v-79e3acbe]{color:var(--ielts-red);text-shadow:0 1px 2px rgba(220,20,60,.2)}.stat-label[data-v-79e3acbe]{font-size:13px;opacity:.9;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.active-card .stat-label[data-v-79e3acbe]{color:#fff!important}.card-actions[data-v-79e3acbe]{display:flex;flex-direction:column;gap:12px}.card-action[data-v-79e3acbe]{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:14px;opacity:.95;text-transform:uppercase;letter-spacing:.5px;padding:12px 16px;border-radius:8px;transition:all .2s ease;cursor:pointer}.primary-action[data-v-79e3acbe]{background:#ffffff40;border:2px solid rgba(255,255,255,.4);font-weight:800}.primary-action[data-v-79e3acbe]:hover{background:#ffffff59;border-color:#fff9;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.secondary-action[data-v-79e3acbe]{background:#ffffff26;border:2px solid rgba(255,255,255,.3);font-size:14px;font-weight:700}.secondary-action[data-v-79e3acbe]:hover{background:#ffffff40;border-color:#ffffff80;transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.active-card .card-action[data-v-79e3acbe]{color:#fff!important;text-shadow:0 1px 1px rgba(0,0,0,.2)}.active-card .card-action .anticon[data-v-79e3acbe]{color:#fff!important}.coming-features[data-v-79e3acbe]{text-align:left;margin-top:16px}.feature-item[data-v-79e3acbe]{font-size:14px;color:var(--ielts-gray-dark);font-weight:600;border-left:3px solid var(--ielts-red-lighter);padding:8px 0 8px 12px;margin-bottom:4px;display:flex;align-items:center;gap:8px}.feature-item .anticon[data-v-79e3acbe]{color:var(--ielts-red)}.stats-section[data-v-79e3acbe]{text-align:center}.stats-container[data-v-79e3acbe]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-top:32px}.stats-card[data-v-79e3acbe]{background:var(--ielts-white);border-radius:16px;padding:24px;box-shadow:var(--ielts-shadow);transition:all .3s ease}.stats-card[data-v-79e3acbe]:hover{transform:translateY(-2px);box-shadow:var(--ielts-shadow-hover)}.stat-box[data-v-79e3acbe]{display:flex;align-items:center;gap:16px;justify-content:center}.stat-icon[data-v-79e3acbe]{font-size:2.5rem;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--ielts-red-lighter);border-radius:12px;flex-shrink:0}.stat-icon .anticon[data-v-79e3acbe]{font-size:2.5rem;color:var(--ielts-red)}.stat-content[data-v-79e3acbe]{text-align:left}.stat-content .stat-number[data-v-79e3acbe]{font-size:2.2rem;font-weight:900;color:var(--ielts-red);margin-bottom:4px;display:block;letter-spacing:-.5px;text-shadow:0 1px 2px rgba(220,20,60,.15)}.stat-content .stat-label[data-v-79e3acbe]{color:var(--ielts-gray-dark);font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}@media (max-width: 768px){.main-content[data-v-79e3acbe]{padding:32px 20px 40px}.section-title[data-v-79e3acbe]{font-size:1.8rem;margin-bottom:20px;font-weight:800}.cards-grid[data-v-79e3acbe]{grid-template-columns:1fr;gap:24px}.function-card[data-v-79e3acbe]{padding:24px}.card-icon[data-v-79e3acbe]{font-size:2.5rem;margin-bottom:12px}.card-icon .anticon[data-v-79e3acbe]{font-size:2.5rem}.card-title[data-v-79e3acbe]{font-size:1.5rem;font-weight:800}.card-description[data-v-79e3acbe]{font-size:14px;margin-bottom:20px;font-weight:500}.card-stats[data-v-79e3acbe]{gap:20px;margin-bottom:16px}.stat-number[data-v-79e3acbe]{font-size:1.7rem;font-weight:900}.stat-label[data-v-79e3acbe]{font-size:12px;font-weight:600}.stats-container[data-v-79e3acbe]{grid-template-columns:1fr;gap:16px}.stats-card[data-v-79e3acbe]{padding:20px}.stat-box[data-v-79e3acbe]{gap:12px}.stat-icon[data-v-79e3acbe]{width:50px;height:50px;font-size:2rem}.stat-icon .anticon[data-v-79e3acbe]{font-size:2rem}.stat-content .stat-number[data-v-79e3acbe]{font-size:1.6rem}}@media (max-width: 480px){.main-content[data-v-79e3acbe]{padding:24px 16px 32px}.section-title[data-v-79e3acbe]{font-size:1.6rem;margin-bottom:16px;font-weight:800}.cards-grid[data-v-79e3acbe]{gap:20px}.function-card[data-v-79e3acbe]{padding:20px}.card-icon[data-v-79e3acbe],.card-icon .anticon[data-v-79e3acbe]{font-size:2.2rem}.card-title[data-v-79e3acbe]{font-size:1.4rem;font-weight:800}.card-description[data-v-79e3acbe]{font-size:13px;font-weight:500}.card-stats[data-v-79e3acbe]{flex-direction:column;gap:12px}.stat-number[data-v-79e3acbe]{font-size:1.6rem;font-weight:900}.stat-label[data-v-79e3acbe]{font-size:11px;font-weight:600}.stats-card[data-v-79e3acbe]{padding:16px}.stat-box[data-v-79e3acbe]{flex-direction:column;text-align:center;gap:8px}.stat-content[data-v-79e3acbe]{text-align:center}.stat-icon[data-v-79e3acbe]{width:44px;height:44px;font-size:1.8rem;margin:0 auto}.stat-icon .anticon[data-v-79e3acbe]{font-size:1.8rem}.stat-content .stat-number[data-v-79e3acbe]{font-size:1.6rem;font-weight:900}.stat-content .stat-label[data-v-79e3acbe]{font-size:12px;font-weight:700}}[data-v-79a985a7]:root{--ielts-red: #DC143C;--ielts-red-light: #FF6B6B;--ielts-red-lighter: #FFE5E5;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #343A40;--ielts-shadow: 0 4px 12px rgba(220, 20, 60, .1);--ielts-shadow-hover: 0 8px 25px rgba(220, 20, 60, .15)}.flashcard-container[data-v-79a985a7]{min-height:100vh;background:linear-gradient(135deg,#fff,#f8f9fa);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow-x:hidden;overscroll-behavior:none}.main-content[data-v-79a985a7]{max-width:1200px;margin:0 auto;padding:40px 40px 60px}.section-title[data-v-79a985a7]{font-size:2rem;font-weight:800;color:var(--ielts-red);margin-bottom:24px;text-align:center;letter-spacing:-.5px;text-shadow:0 1px 2px 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.stat-number[data-v-79a985a7]{font-size:2.2rem;font-weight:900;color:var(--ielts-red);margin-bottom:4px;display:block;letter-spacing:-.5px;text-shadow:0 1px 2px rgba(220,20,60,.15)}.stat-content .stat-label[data-v-79a985a7]{color:var(--ielts-gray-dark);font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.tips-section[data-v-79a985a7]{text-align:center}.tips-container[data-v-79a985a7]{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:32px}.tip-item[data-v-79a985a7]{background:var(--ielts-white);border-radius:16px;padding:24px;box-shadow:var(--ielts-shadow);display:flex;align-items:center;gap:16px;transition:all .3s 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#DC143C;--ielts-red-light: #FF6B6B;--ielts-red-lighter: #FFE5E5;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #343A40;--ielts-shadow: 0 4px 12px rgba(220, 20, 60, .1);--ielts-shadow-hover: 0 8px 25px rgba(220, 20, 60, .15)}.management-container[data-v-f84e731e]{min-height:100vh;background:linear-gradient(135deg,#fff,#f8f9fa);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow-x:hidden}.main-content[data-v-f84e731e]{max-width:1200px;margin:0 auto;padding:40px 40px 60px}.section-title[data-v-f84e731e]{font-size:1.8rem;font-weight:800;color:var(--ielts-red);margin-bottom:24px;display:flex;align-items:center;gap:12px;letter-spacing:-.5px}.search-section[data-v-f84e731e]{margin-bottom:40px}.search-container[data-v-f84e731e]{background:var(--ielts-white);border-radius:16px;padding:32px;box-shadow:var(--ielts-shadow)}.search-box[data-v-f84e731e]{position:relative;margin-bottom:16px}.search-input[data-v-f84e731e]{width:100%;padding:16px 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rgba(220,20,60,.2)}.flashcard-list-section[data-v-f84e731e]{margin-bottom:40px}.empty-state[data-v-f84e731e]{text-align:center;padding:60px 20px;background:var(--ielts-white);border-radius:16px;box-shadow:var(--ielts-shadow)}.empty-icon[data-v-f84e731e]{font-size:4rem;color:var(--ielts-gray);margin-bottom:20px}.empty-state h3[data-v-f84e731e]{font-size:1.5rem;color:#1a1a1a;margin-bottom:8px;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.1)}.empty-state p[data-v-f84e731e]{color:var(--ielts-red);margin-bottom:0;font-weight:500}.flashcard-grid[data-v-f84e731e]{display:grid;grid-template-columns:repeat(auto-fill,minmax(400px,1fr));gap:24px}.flashcard-item[data-v-f84e731e]{background:var(--ielts-white);border-radius:16px;padding:24px;box-shadow:var(--ielts-shadow);transition:all .3s ease;border:2px solid 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rgba(0,0,0,.1)}.example[data-v-f84e731e]{font-size:14px;color:#fff;line-height:1.5;font-style:italic;font-weight:500}.metadata-section[data-v-f84e731e]{display:flex;justify-content:space-between;padding-top:16px;border-top:1px solid #e9ecef}.metadata-item[data-v-f84e731e]{display:flex;align-items:center;gap:6px;font-size:12px;color:#fff;font-weight:600}.metadata-item .anticon[data-v-f84e731e]{font-size:12px}.delete-modal-content[data-v-f84e731e]{display:flex;gap:16px;align-items:flex-start}.warning-icon[data-v-f84e731e]{font-size:2rem;color:#ff4d4f;flex-shrink:0;margin-top:4px}.warning-text[data-v-f84e731e]{flex:1}.vocab-preview[data-v-f84e731e]{background:var(--ielts-red-lighter);padding:12px;border-radius:8px;margin:12px 0;color:var(--ielts-red);font-weight:600}.warning-note[data-v-f84e731e]{color:#ff4d4f;font-size:13px;margin-bottom:0;font-weight:500}@media (max-width: 768px){.main-content[data-v-f84e731e]{padding:32px 20px 40px}.flashcard-grid[data-v-f84e731e]{grid-template-columns:1fr}.search-container[data-v-f84e731e]{padding:24px}.flashcard-item[data-v-f84e731e]{padding:20px}.section-title[data-v-f84e731e]{font-size:1.5rem}.flashcard-header[data-v-f84e731e]{gap:12px;align-items:flex-start}.action-section[data-v-f84e731e]{align-self:flex-end}.metadata-section[data-v-f84e731e]{gap:8px}}@media (max-width: 480px){.search-input[data-v-f84e731e]{padding:14px 40px;font-size:14px}.word[data-v-f84e731e]{font-size:1.2rem}.delete-modal-content[data-v-f84e731e]{text-align:center}}[data-v-ca44a0db]:root{--ielts-red: #DC143C;--ielts-red-light: #FF4D6B;--ielts-red-lighter: #FFE5E9;--ielts-red-dark: #B91C3C;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #2D3748;--ielts-shadow: 0 4px 20px rgba(220, 20, 60, .08);--ielts-shadow-hover: 0 8px 30px rgba(220, 20, 60, .15);--ielts-shadow-strong: 0 10px 40px rgba(220, 20, 60, .2)}.review-page[data-v-ca44a0db]{min-height:100vh;background:#fff;font-family:Inter,Segoe UI,-apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:-.01em;overflow-x:hidden;overscroll-behavior:none}.header-section[data-v-ca44a0db]{background:var(--ielts-white);border-bottom:1px solid #E2E8F0;box-shadow:0 2px 8px #0000000a}.header-content[data-v-ca44a0db]{padding:10px 20px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo-area[data-v-ca44a0db]{text-align:left}.brand-title[data-v-ca44a0db]{margin:0 0 8px;font-size:3rem;font-weight:900;display:flex;align-items:baseline;gap:12px;text-shadow:0 2px 8px rgba(220,20,60,.15);letter-spacing:-.02em}.ielts-logo[data-v-ca44a0db]{color:var(--ielts-red);font-weight:900;text-shadow:0 3px 10px rgba(220,20,60,.2)}.brand-sub[data-v-ca44a0db]{color:var(--ielts-gray-dark);font-size:2.2rem;font-weight:700;text-shadow:0 2px 6px rgba(45,55,72,.1)}.brand-description[data-v-ca44a0db]{color:var(--ielts-gray-dark);margin:0;font-size:17px;font-weight:600;opacity:.9;text-shadow:0 1px 3px rgba(45,55,72,.1)}.logout-button[data-v-ca44a0db]{background:var(--ielts-red);border:none;border-radius:12px;height:48px;padding:0 28px;font-weight:700;font-size:15px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--ielts-shadow);text-shadow:0 1px 2px rgba(0,0,0,.1)}.logout-button[data-v-ca44a0db]:hover{background:var(--ielts-red-light);transform:translateY(-2px);box-shadow:var(--ielts-shadow-hover)}.logout-button[data-v-ca44a0db]:active{transform:translateY(0)}.main-content[data-v-ca44a0db]{max-width:1200px;margin:0 auto;padding:48px 40px 80px}.section-title[data-v-ca44a0db]{font-size:2.2rem;font-weight:900;color:var(--ielts-red);margin-bottom:32px;text-align:center;letter-spacing:-.02em;text-shadow:0 2px 8px rgba(220,20,60,.15);display:flex;align-items:center;justify-content:center;gap:16px}.section-title .anticon[data-v-ca44a0db]{font-size:2rem;text-shadow:0 2px 6px rgba(220,20,60,.2)}.stats-section[data-v-ca44a0db]{margin-bottom:80px;text-align:center}.stats-container[data-v-ca44a0db]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-top:40px;justify-items:center}.stats-card[data-v-ca44a0db]{background:var(--ielts-white);border-radius:20px;padding:32px;box-shadow:var(--ielts-shadow);transition:all .3s cubic-bezier(.4,0,.2,1);max-width:400px;width:100%;border:1px solid rgba(220,20,60,.08)}.stats-card[data-v-ca44a0db]:hover{transform:translateY(-4px);box-shadow:var(--ielts-shadow-hover);border-color:#dc143c26}.stat-box[data-v-ca44a0db]{display:flex;align-items:center;gap:20px;justify-content:center}.stat-icon[data-v-ca44a0db]{font-size:3rem;width:72px;height:72px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--ielts-red-lighter) 0%,rgba(255,229,233,.6) 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cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;overflow:hidden}.function-card[data-v-ca44a0db]:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--ielts-red) 0%,var(--ielts-red-light) 100%);transform:scaleX(0);transition:transform .3s ease}.function-card[data-v-ca44a0db]:hover:before{transform:scaleX(1)}.function-card[data-v-ca44a0db]:hover{transform:translateY(-6px);box-shadow:var(--ielts-shadow-strong);border-color:var(--ielts-red-lighter)}.active-card[data-v-ca44a0db]{background:linear-gradient(135deg,var(--ielts-red) 0%,var(--ielts-red-dark) 100%);color:var(--ielts-white);border-color:var(--ielts-red);box-shadow:var(--ielts-shadow-hover)}.active-card[data-v-ca44a0db]:hover{background:linear-gradient(135deg,var(--ielts-red-light) 0%,var(--ielts-red) 100%);border-color:var(--ielts-red-light)}.practice-card[data-v-ca44a0db]{background:linear-gradient(135deg,var(--ielts-red-light) 0%,var(--ielts-red) 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.card-action[data-v-ca44a0db],.latest-card .card-action[data-v-ca44a0db]{color:#fff!important;text-shadow:0 1px 4px rgba(0,0,0,.25)}.active-card .card-action .anticon[data-v-ca44a0db],.practice-card .card-action .anticon[data-v-ca44a0db],.latest-card .card-action .anticon[data-v-ca44a0db]{color:#fff!important;text-shadow:0 1px 4px rgba(0,0,0,.2)}.flashcard-container[data-v-ca44a0db]{max-width:1200px;margin:0 auto;padding:48px 40px 80px}.progress-section[data-v-ca44a0db]{background:var(--ielts-white);border-radius:20px;padding:32px;margin-bottom:40px;box-shadow:var(--ielts-shadow);border:1px solid rgba(220,20,60,.08)}.progress-info[data-v-ca44a0db]{text-align:center;margin-bottom:20px}.progress-text[data-v-ca44a0db]{font-size:1.4rem;font-weight:800;color:var(--ielts-red);text-shadow:0 1px 4px rgba(220,20,60,.15);letter-spacing:-.01em}.custom-progress[data-v-ca44a0db]{border-radius:8px;overflow:hidden}.flashcard-wrapper[data-v-ca44a0db]{display:flex;justify-content:center;margin-bottom:40px}.flashcard[data-v-ca44a0db]{width:100%;max-width:680px;height:480px;position:relative;perspective:1000px;cursor:pointer}.flashcard.flipped .card-front[data-v-ca44a0db]{transform:rotateY(-180deg)}.flashcard.flipped .card-back[data-v-ca44a0db]{transform:rotateY(0)}.card-front[data-v-ca44a0db],.card-back[data-v-ca44a0db]{position:absolute;width:100%;height:100%;background:var(--ielts-white);border-radius:24px;box-shadow:var(--ielts-shadow-hover);backface-visibility:hidden;transition:transform .8s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px;text-align:center;border:2px solid rgba(220,20,60,.1)}.card-back[data-v-ca44a0db]{transform:rotateY(-180deg)}.word-content[data-v-ca44a0db]{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center}.word[data-v-ca44a0db]{font-size:3.6rem;font-weight:900;color:var(--ielts-red);margin-bottom:20px;text-shadow:0 3px 12px rgba(220,20,60,.2);letter-spacing:-.02em;line-height:1.1}.word-meta[data-v-ca44a0db]{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.word-type[data-v-ca44a0db]{font-size:1.3rem;color:#a4a4a4;font-weight:700;letter-spacing:1px;text-shadow:0 1px 3px rgba(108,117,125,.15)}.phonetic[data-v-ca44a0db]{font-size:1.6rem;color:var(--ielts-red-light);font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,monospace;font-weight:600;text-shadow:0 1px 4px 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20px;margin-bottom:32px}.progress-text[data-v-ca44a0db]{font-size:1.2rem;margin-bottom:16px}.flashcard[data-v-ca44a0db]{height:350px;max-width:100%}.card-front[data-v-ca44a0db],.card-back[data-v-ca44a0db]{padding:24px 20px;border-radius:16px}.word[data-v-ca44a0db]{font-size:2.2rem;margin-bottom:16px}.word-type[data-v-ca44a0db]{font-size:1.1rem}.phonetic[data-v-ca44a0db]{font-size:1.3rem}.meaning[data-v-ca44a0db]{font-size:1.8rem;margin-bottom:24px}.example-section[data-v-ca44a0db]{padding:16px;margin-top:6px}.example-label[data-v-ca44a0db]{font-size:1rem;margin-bottom:8px}.example-text[data-v-ca44a0db]{font-size:1rem}.flip-hint[data-v-ca44a0db]{font-size:13px;margin-top:16px}.controls[data-v-ca44a0db]{gap:12px}.nav-btn[data-v-ca44a0db],.flip-btn[data-v-ca44a0db]{height:48px;font-size:14px;padding:0 20px}.flip-btn[data-v-ca44a0db]{min-width:160px}.flip-text[data-v-ca44a0db]{min-width:80px}.logout-button[data-v-ca44a0db]{width:100%;max-width:200px}[data-v-ca44a0db] .ant-modal{margin:16px;max-width:calc(100vw - 32px)}[data-v-ca44a0db] .ant-modal-content{border-radius:12px}.modal-content[data-v-ca44a0db]{padding:16px 0}.modal-description[data-v-ca44a0db],.quantity-input[data-v-ca44a0db]{font-size:15px}}@media (max-width: 360px){.brand-title[data-v-ca44a0db]{font-size:2rem}.brand-sub[data-v-ca44a0db]{font-size:1.4rem}.main-content[data-v-ca44a0db],.flashcard-container[data-v-ca44a0db]{padding:20px 12px 32px}.section-title[data-v-ca44a0db]{font-size:1.6rem}.function-card[data-v-ca44a0db]{padding:20px 16px}.card-icon[data-v-ca44a0db],.card-icon .anticon[data-v-ca44a0db]{font-size:2.2rem}.card-title[data-v-ca44a0db]{font-size:1.3rem}.card-description[data-v-ca44a0db]{font-size:13px}.flashcard[data-v-ca44a0db]{height:320px}.card-front[data-v-ca44a0db],.card-back[data-v-ca44a0db]{padding:20px 16px}.word[data-v-ca44a0db]{font-size:2rem}.meaning[data-v-ca44a0db]{font-size:1.6rem}.example-section[data-v-ca44a0db]{padding:12px}.controls[data-v-ca44a0db]{gap:10px}.nav-btn[data-v-ca44a0db],.flip-btn[data-v-ca44a0db]{height:44px;font-size:13px;padding:0 16px}.flip-btn[data-v-ca44a0db]{min-width:140px}}.ielts-fade-in[data-v-ca44a0db]{animation:fadeIn-ca44a0db .6s ease-out}.ielts-slide-up[data-v-ca44a0db]{animation:slideUp-ca44a0db .8s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn-ca44a0db{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp-ca44a0db{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}[data-v-b24d89b7]:root{--ielts-red: #DC143C;--ielts-red-light: #FF6B6B;--ielts-red-lighter: #FFE5E5;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #343A40;--ielts-shadow: 0 4px 12px rgba(220, 20, 60, .1);--ielts-shadow-hover: 0 8px 25px rgba(220, 20, 60, .15)}.practice-page[data-v-b24d89b7]{min-height:100vh;background:linear-gradient(135deg,#fff,#f8f9fa);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow-x:hidden;overscroll-behavior:none}.main-content[data-v-b24d89b7]{max-width:1200px;margin:0 auto;padding:40px 40px 60px}.section-title[data-v-b24d89b7]{font-size:2rem;font-weight:800;color:var(--ielts-red);text-align:center;letter-spacing:-.5px;text-shadow:0 1px 2px rgba(220,20,60,.1);display:flex;align-items:center;justify-content:center;gap:12px}.stats-section[data-v-b24d89b7]{margin-bottom:60px;text-align:center}.stats-container[data-v-b24d89b7]{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;margin-top:32px;justify-items:center}.stats-card[data-v-b24d89b7]{background:var(--ielts-white);border-radius:16px;padding:24px;box-shadow:var(--ielts-shadow);transition:all .3s ease;max-width:400px;width:100%}.stats-card[data-v-b24d89b7]:hover{transform:translateY(-2px);box-shadow:var(--ielts-shadow-hover)}.stat-box[data-v-b24d89b7]{display:flex;align-items:center;gap:16px;justify-content:center}.stat-icon[data-v-b24d89b7]{font-size:2.5rem;width:60px;height:60px;display:flex;align-items:center;justify-content:center;background:var(--ielts-red-lighter);border-radius:12px;flex-shrink:0}.stat-icon .anticon[data-v-b24d89b7]{font-size:2.5rem;color:var(--ielts-red)}.stat-content[data-v-b24d89b7]{text-align:left}.stat-content .stat-number[data-v-b24d89b7]{font-size:2.2rem;font-weight:900;color:var(--ielts-red);margin-bottom:4px;display:block;letter-spacing:-.5px;text-shadow:0 1px 2px rgba(220,20,60,.15)}.stat-content .stat-label[data-v-b24d89b7]{color:#fff;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.cards-section[data-v-b24d89b7]{margin-bottom:60px}.cards-grid[data-v-b24d89b7]{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:32px;margin-top:32px}.function-card[data-v-b24d89b7]{background:var(--ielts-white);border-radius:16px;padding:32px;border:2px solid transparent;box-shadow:var(--ielts-shadow);transition:all .3s ease;cursor:pointer;position:relative;overflow:hidden}.function-card[data-v-b24d89b7]:hover{transform:translateY(-4px);box-shadow:var(--ielts-shadow-hover);border-color:var(--ielts-red-lighter)}.active-card[data-v-b24d89b7]{background:var(--ielts-red);color:var(--ielts-white);border-color:var(--ielts-red)}.active-card[data-v-b24d89b7]:hover{background:var(--ielts-red-light);border-color:var(--ielts-red-light)}.practice-card[data-v-b24d89b7]{background:linear-gradient(135deg,var(--ielts-red-light) 0%,var(--ielts-red) 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.card-description[data-v-b24d89b7]{color:#fff!important;text-shadow:0 1px 1px rgba(0,0,0,.1)}.card-features[data-v-b24d89b7]{text-align:left;margin-bottom:24px}.feature-item[data-v-b24d89b7]{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-weight:500;font-size:14px}.feature-icon[data-v-b24d89b7]{font-size:1.1rem;flex-shrink:0}.active-card .feature-item[data-v-b24d89b7],.practice-card .feature-item[data-v-b24d89b7]{color:#fff!important}.active-card .feature-icon[data-v-b24d89b7],.practice-card .feature-icon[data-v-b24d89b7]{color:#4ade80!important}.function-card:not(.active-card):not(.practice-card) .feature-icon[data-v-b24d89b7]{color:#52c41a!important}.card-action[data-v-b24d89b7]{display:flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;opacity:.95;text-transform:uppercase;letter-spacing:.5px}.active-card .card-action[data-v-b24d89b7],.practice-card .card-action[data-v-b24d89b7]{color:#fff!important;text-shadow:0 1px 1px 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24px}.input-wrapper[data-v-b24d89b7]{margin-bottom:24px}.input-label[data-v-b24d89b7]{display:block;font-size:14px;font-weight:600;color:var(--ielts-gray-dark);margin-bottom:8px}.quantity-input[data-v-b24d89b7]{width:100%;border-radius:12px;border:2px solid #f0f0f0;font-size:16px;font-weight:600}.quantity-input[data-v-b24d89b7]:focus,.quantity-input[data-v-b24d89b7]:hover{border-color:var(--ielts-red-light);box-shadow:0 0 0 3px #dc143c1a}.input-hint[data-v-b24d89b7]{margin-top:8px}.hint-text[data-v-b24d89b7]{font-size:12px;color:var(--ielts-gray);font-weight:500}.quick-select[data-v-b24d89b7]{padding-top:20px;border-top:1px solid #f0f0f0}.quick-select-label[data-v-b24d89b7]{font-size:14px;font-weight:600;color:var(--ielts-gray-dark);margin:0 0 12px}.quick-buttons[data-v-b24d89b7]{display:flex;gap:8px;flex-wrap:wrap}.quick-btn[data-v-b24d89b7]{padding:8px 16px;border:2px solid #f0f0f0;background:#fff;border-radius:10px;font-size:14px;font-weight:600;color:#000;cursor:pointer;transition:all .3s ease}.quick-btn[data-v-b24d89b7]:hover:not(:disabled){border-color:var(--ielts-red-light);color:var(--ielts-red);background:var(--ielts-red-lighter)}.quick-btn.active[data-v-b24d89b7]{background:var(--ielts-red);border-color:var(--ielts-red);color:#fff}.quick-btn[data-v-b24d89b7]:disabled{opacity:.5;cursor:not-allowed}.modal-actions[data-v-b24d89b7]{padding:16px 24px 24px;display:flex;gap:12px;justify-content:flex-end;background:#fafafa;border-top:1px solid #f0f0f0}.cancel-btn[data-v-b24d89b7]{border-radius:10px;font-weight:600;border:2px solid #f0f0f0;color:#000}.cancel-btn[data-v-b24d89b7]:hover{border-color:var(--ielts-gray);color:var(--ielts-gray-dark)}.start-btn[data-v-b24d89b7]{border-radius:10px;background:linear-gradient(135deg,var(--ielts-red) 0%,var(--ielts-red-light) 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.anticon[data-v-b24d89b7]{font-size:2rem;color:var(--ielts-red)}.stat-details[data-v-b24d89b7]{text-align:left}.stat-number[data-v-b24d89b7]{font-size:2rem;font-weight:900;color:var(--ielts-red);display:block;line-height:1}.stat-label[data-v-b24d89b7]{font-size:14px;color:var(--ielts-gray);font-weight:600}.exercise-grid[data-v-b24d89b7]{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:32px}.exercise-card[data-v-b24d89b7]{border-radius:16px;overflow:hidden;box-shadow:var(--ielts-shadow);transition:all .3s ease;cursor:pointer}.exercise-card[data-v-b24d89b7]:hover{transform:translateY(-4px);box-shadow:var(--ielts-shadow-hover)}.fill-blank-card[data-v-b24d89b7]{background:linear-gradient(135deg,var(--ielts-red) 0%,var(--ielts-red-light) 100%);color:#fff}.matching-card[data-v-b24d89b7],.translation-card[data-v-b24d89b7]{background:linear-gradient(135deg,var(--ielts-red-light) 0%,var(--ielts-red) 100%);color:#fff}.card-content[data-v-b24d89b7]{padding:32px 24px}.card-content .card-icon[data-v-b24d89b7]{font-size:3rem;text-align:center;margin-bottom:16px;display:flex;justify-content:center;align-items:center}.card-content .card-icon .anticon[data-v-b24d89b7]{font-size:3rem;color:inherit}.card-content h3[data-v-b24d89b7]{font-size:1.6rem;font-weight:800;margin:0 0 12px;text-align:center;color:inherit}.card-content p[data-v-b24d89b7]{font-size:15px;text-align:center;margin-bottom:20px;opacity:.95;line-height:1.5}.features-list[data-v-b24d89b7]{margin-bottom:20px}.features-list .feature[data-v-b24d89b7]{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:14px}.features-list .feature-icon[data-v-b24d89b7]{color:#4ade80}.difficulty[data-v-b24d89b7]{text-align:center}.difficulty-tag[data-v-b24d89b7]{border:none;font-weight:600;border-radius:8px;padding:4px 12px}.easy-tag[data-v-b24d89b7]{background:#4ade80;color:#fff}.medium-tag[data-v-b24d89b7]{background:#f59e0b;color:#fff}@media (max-width: 768px){.header-section[data-v-b24d89b7]{padding:24px 20px}.header-content[data-v-b24d89b7]{flex-direction:column;gap:16px}.logo-area[data-v-b24d89b7]{text-align:center}.brand-title[data-v-b24d89b7]{font-size:2.4rem;justify-content:center}.brand-sub[data-v-b24d89b7]{font-size:1.8rem}.exercise-container[data-v-b24d89b7]{padding:32px 20px 40px}.stats-info[data-v-b24d89b7]{margin-bottom:24px}.stats-content[data-v-b24d89b7]{flex-direction:column;gap:12px}.stat-item[data-v-b24d89b7]{flex-direction:column;text-align:center;gap:8px}.stat-details[data-v-b24d89b7]{text-align:center}.stat-number[data-v-b24d89b7]{font-size:1.8rem}.exercise-grid[data-v-b24d89b7]{grid-template-columns:1fr;gap:24px}.exercise-card[data-v-b24d89b7]{margin:0}.card-content[data-v-b24d89b7]{padding:24px 20px}.card-content .card-icon[data-v-b24d89b7],.card-content .card-icon .anticon[data-v-b24d89b7]{font-size:2.5rem}.card-content h3[data-v-b24d89b7]{font-size:1.4rem}.card-content p[data-v-b24d89b7]{font-size:14px}.features-list .feature[data-v-b24d89b7]{font-size:13px}.stats-container[data-v-b24d89b7]{grid-template-columns:1fr;gap:16px}.stat-box[data-v-b24d89b7]{flex-direction:column;text-align:center;gap:8px}.stat-content[data-v-b24d89b7]{text-align:center}.stat-icon[data-v-b24d89b7]{width:50px;height:50px}.stat-icon .anticon[data-v-b24d89b7]{font-size:2rem}.practice-options[data-v-b24d89b7]{gap:12px}.option-content[data-v-b24d89b7]{padding:16px;text-align:center;flex-direction:column;gap:12px}.option-icon[data-v-b24d89b7]{margin:0 auto}}@media (max-width: 480px){.brand-title[data-v-b24d89b7]{font-size:2.2rem;flex-direction:column;gap:4px}.brand-sub[data-v-b24d89b7]{font-size:1.6rem}.brand-description[data-v-b24d89b7]{font-size:15px}.exercise-container[data-v-b24d89b7]{padding:24px 16px 32px}.exercise-grid[data-v-b24d89b7]{gap:20px}.card-content[data-v-b24d89b7]{padding:20px 16px}.card-content .card-icon[data-v-b24d89b7],.card-content .card-icon .anticon[data-v-b24d89b7]{font-size:2.2rem}.card-content h3[data-v-b24d89b7]{font-size:1.3rem}.card-content p[data-v-b24d89b7]{font-size:13px}.features-list .feature[data-v-b24d89b7]{font-size:12px}.logout-button[data-v-b24d89b7]{width:100%;max-width:200px}[data-v-b24d89b7] .ant-modal{margin:16px;max-width:calc(100vw - 32px)}[data-v-b24d89b7] .ant-modal-content{border-radius:16px}.modal-header[data-v-b24d89b7]{padding:20px 16px 16px}.modal-icon[data-v-b24d89b7]{width:50px;height:50px;margin-bottom:10px}.modal-icon .anticon[data-v-b24d89b7]{font-size:2rem}.modal-title[data-v-b24d89b7]{font-size:1.4rem}.modal-description[data-v-b24d89b7]{font-size:14px}.practice-options[data-v-b24d89b7]{padding:16px;gap:10px}.option-content[data-v-b24d89b7]{padding:16px;flex-direction:column;text-align:center;gap:12px}.option-left[data-v-b24d89b7]{flex-direction:column;gap:8px}.option-icon[data-v-b24d89b7]{width:48px;height:48px;margin:0 auto}.option-icon .anticon[data-v-b24d89b7]{font-size:1.5rem}.option-info[data-v-b24d89b7]{text-align:center}.option-info h5[data-v-b24d89b7]{font-size:1rem}.option-info p[data-v-b24d89b7]{font-size:13px}.option-right[data-v-b24d89b7]{flex-direction:column;gap:8px}.option-badge[data-v-b24d89b7]{font-size:11px;padding:4px 8px}.modal-footer[data-v-b24d89b7]{padding:12px 16px 20px}.footer-note[data-v-b24d89b7]{font-size:12px;flex-direction:column;gap:4px}.quantity-input-section[data-v-b24d89b7]{padding:16px}.input-wrapper[data-v-b24d89b7]{margin-bottom:16px}.quick-buttons[data-v-b24d89b7]{gap:6px}.quick-btn[data-v-b24d89b7]{padding:6px 12px;font-size:13px}.modal-actions[data-v-b24d89b7]{padding:16px;flex-direction:column;gap:8px}.cancel-btn[data-v-b24d89b7],.start-btn[data-v-b24d89b7]{width:100%}}[data-v-c624fbba]:root{--ielts-red: #DC143C;--ielts-red-light: #FF6B6B;--ielts-red-lighter: #FFE5E5;--ielts-white: #FFFFFF;--ielts-gray-light: #F8F9FA;--ielts-gray: #6C757D;--ielts-gray-dark: #343A40;--ielts-shadow: 0 4px 12px rgba(220, 20, 60, .1);--ielts-shadow-hover: 0 8px 25px rgba(220, 20, 60, .15)}.fill-blank-exercise[data-v-c624fbba]{min-height:100vh;background:linear-gradient(135deg,#fff,#f8f9fa);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;overflow-x:hidden;overscroll-behavior:none}.header-section[data-v-c624fbba]{background:var(--ielts-white);border-bottom:1px solid #E9ECEF}.header-content[data-v-c624fbba]{padding:10px 20px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo-area[data-v-c624fbba]{text-align:left}.brand-title[data-v-c624fbba]{margin:0 0 8px;font-size:2.8rem;font-weight:900;display:flex;align-items:baseline;gap:12px;text-shadow:0 2px 4px rgba(0,0,0,.1)}.ielts-logo[data-v-c624fbba]{color:var(--ielts-red);letter-spacing:-1px;font-weight:900}.brand-sub[data-v-c624fbba]{color:var(--ielts-gray-dark);font-size:2rem;font-weight:700}.brand-description[data-v-c624fbba]{color:var(--ielts-gray-dark);margin:0;font-size:17px;font-weight:600}.logout-button[data-v-c624fbba]{background:var(--ielts-red);border:none;border-radius:8px;height:44px;padding:0 24px;font-weight:600;font-size:14px;transition:all .3s ease}.logout-button[data-v-c624fbba]:hover{background:var(--ielts-red-light);transform:translateY(-1px);box-shadow:var(--ielts-shadow-hover)}.exercise-info[data-v-c624fbba]{background:var(--ielts-white);padding:20px 40px;margin:0;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--ielts-shadow);border-bottom:1px solid #E9ECEF}.progress-section[data-v-c624fbba]{flex:1;margin-right:30px}.progress-text[data-v-c624fbba]{font-size:1.2rem;font-weight:600;color:var(--ielts-red);margin-bottom:10px}.score-section[data-v-c624fbba]{display:flex;gap:20px}.score-item[data-v-c624fbba]{display:flex;align-items:center;gap:8px;font-size:1.2rem;font-weight:600}.score-item.correct[data-v-c624fbba]{color:#52c41a}.score-item.incorrect[data-v-c624fbba]{color:#f5222d}.exercise-container[data-v-c624fbba]{max-width:1000px;margin:0 auto;padding:40px 40px 60px}.question-card[data-v-c624fbba]{background:var(--ielts-white);border-radius:16px;padding:40px;box-shadow:var(--ielts-shadow)}.question-section[data-v-c624fbba]{text-align:center;margin-bottom:40px}.question-section h3[data-v-c624fbba]{color:var(--ielts-gray);margin-bottom:20px;font-size:1.2rem;font-weight:600}.meaning[data-v-c624fbba]{font-size:2.2rem;font-weight:700;color:var(--ielts-red);margin-bottom:20px;line-height:1.4}.word-type[data-v-c624fbba]{margin-bottom:20px}.answer-section[data-v-c624fbba]{margin-bottom:30px}.answer-section h4[data-v-c624fbba]{color:var(--ielts-gray-dark);margin-bottom:15px;font-size:1.1rem;font-weight:600}.answer-input[data-v-c624fbba]{font-size:1.3rem!important;height:60px!important;border-radius:12px!important;text-align:center;border:2px solid #E9ECEF!important;transition:all .3s ease!important}.answer-input[data-v-c624fbba]:hover{border-color:var(--ielts-red-light)!important}.answer-input[data-v-c624fbba]:focus{border-color:var(--ielts-red)!important;box-shadow:0 0 0 3px #dc143c1a!important}.result-display[data-v-c624fbba]{margin-top:30px;padding:30px;border-radius:16px;text-align:center}.result[data-v-c624fbba]{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:20px}.result.correct[data-v-c624fbba]{color:#52c41a}.result.incorrect[data-v-c624fbba]{color:#f5222d}.result-icon[data-v-c624fbba]{font-size:2.5rem}.result-text strong[data-v-c624fbba]{font-size:1.4rem;display:block;margin-bottom:10px}.result-text p[data-v-c624fbba]{margin:5px 0;font-size:1.2rem}.phonetic[data-v-c624fbba]{font-family:Courier New,monospace;color:var(--ielts-red-light);font-weight:600;font-size:1.1rem}.example-section[data-v-c624fbba]{margin-top:25px;padding:24px;background:var(--ielts-gray-light);border-radius:12px;text-align:left}.example-section strong[data-v-c624fbba]{color:var(--ielts-gray-dark);margin-bottom:10px;display:block;font-size:1.1rem}.example[data-v-c624fbba]{font-style:italic;color:var(--ielts-gray);line-height:1.6;font-size:1rem;margin:0}.action-buttons[data-v-c624fbba]{text-align:center}.check-btn[data-v-c624fbba],.next-btn[data-v-c624fbba]{height:48px;padding:0 32px;border-radius:8px;font-weight:600;font-size:16px;transition:all .3s 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