html{scroll-behavior:smooth}.hnc-cet4-hub-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1em;padding:1em .5em;font-family:'Poppins',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;max-width:600px;margin:1em auto}.hnc-hub-card{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:1em;text-align:center;display:flex;flex-direction:column;transition:transform 0.3s ease,box-shadow 0.3s ease;box-shadow:0 2px 3px rgb(0 0 0 / .05);max-height:200px}.hnc-hub-card:hover{transform:translateY(-4px);box-shadow:0 5px 10px rgb(0 0 0 / .08)}.hnc-hub-card-icon{font-size:1.5rem;line-height:1;margin-bottom:.25em}.hnc-hub-card-title{font-size:.9rem;font-weight:700;color:#111827;margin:0 0 .25em}.hnc-hub-card-description{font-size:.7rem;color:#4b5563;line-height:1.4;flex-grow:1;margin-bottom:.75em;max-height:60px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#4b5563 #e5e7eb}.hnc-hub-card-description::-webkit-scrollbar{width:6px}.hnc-hub-card-description::-webkit-scrollbar-track{background:#e5e7eb;border-radius:8px}.hnc-hub-card-description::-webkit-scrollbar-thumb{background:#4b5563;border-radius:8px}.hnc-hub-card-button{display:inline-block;background:linear-gradient(135deg,#3b82f6 0%,#6366f1 100%);color:#fff;padding:.4em .75em;border-radius:12.5px;text-decoration:none;font-weight:600;font-size:.8rem;transition:all 0.3s ease;box-shadow:0 2px 7px rgb(59 130 246 / .2)}.hnc-hub-card-button:hover{transform:translateY(-1px);box-shadow:0 3px 10px rgb(59 130 246 / .3);color:#fff}@media (max-width:640px){.hnc-cet4-hub-container{padding:.75em .25em;gap:.75em}.hnc-hub-card{padding:.75em}}.hnc-today-status{background:linear-gradient(135deg,#1e88e5 0%,#1565c0 100%);border-radius:16px;padding:20px;margin-bottom:30px;display:flex;align-items:center;gap:20px;color:#fff;position:relative;overflow:hidden;box-shadow:0 4px 20px rgb(30 136 229 / .25);border:1px solid rgb(255 255 255 / .1)}.hnc-today-status.checked{background:linear-gradient(135deg,#10b981 0%,#059669 100%);box-shadow:0 4px 20px rgb(16 185 129 / .25)}.hnc-today-status.unchecked{background:linear-gradient(135deg,#f59e0b 0%,#d97706 100%);box-shadow:0 4px 20px rgb(245 158 11 / .25)}.hnc-today-status::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgb(255 255 255 / .1),transparent);transition:left 0.6s ease}.hnc-today-status:hover::before{left:100%}.hnc-today-icon{font-size:48px}.hnc-today-text h3{margin:0 0 5px 0;font-size:24px;font-weight:700}.hnc-today-text p{margin:0;opacity:.9}.hnc-streak-badge{position:absolute;right:30px;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:8px;background:rgb(255 255 255 / .2);padding:10px 20px;border-radius:50px;backdrop-filter:blur(10px)}.hnc-streak-fire{font-size:28px;animation:fireAnimation 1.5s ease-in-out infinite}@keyframes fireAnimation{0%,100%{transform:scale(1) rotate(0deg)}50%{transform:scale(1.1) rotate(5deg)}}.hnc-streak-number{font-size:32px;font-weight:700}.hnc-stat-card{position:relative;overflow:hidden}.hnc-stat-badge{position:absolute;top:10px;right:10px;background:#10b981;color:#fff;padding:4px 8px;border-radius:20px;font-size:11px;font-weight:600}.hnc-stat-badge.gold{background:linear-gradient(135deg,#ffd700,#ffed4e);color:#333}.hnc-stat-subtext{font-size:12px;color:#6b7280;margin-top:5px}.hnc-period-stats{margin-top:30px;background:#f9fafb;border-radius:12px;padding:20px}.hnc-period-stats h3{margin:0 0 20px 0;color:#333}.hnc-period-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.hnc-period-card{background:#fff;border-radius:8px;padding:16px;border:1px solid #e5e7eb}.hnc-period-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.hnc-period-label{font-size:14px;color:#6b7280}.hnc-trend{font-size:12px;padding:2px 6px;border-radius:4px;background:#f3f4f6;color:#6b7280}.hnc-trend.up{background:#d1fae5;color:#065f46}.hnc-trend.down{background:#fee2e2;color:#991b1b}.hnc-period-value{font-size:28px;font-weight:700;color:#1f2937}.hnc-period-compare{font-size:12px;color:#9ca3af;margin-top:5px}.hnc-module-progress{height:4px;background:#e5e7eb;border-radius:2px;margin-top:8px;overflow:hidden}.hnc-module-progress-bar{height:100%;background:linear-gradient(90deg,#3b82f6,#1e40af);border-radius:2px;transition:width 0.5s ease}.hnc-module-percentage{font-size:11px;color:#6b7280;margin-top:4px;display:block}.hnc-milestones{margin-top:30px;background:#fff;border:1px solid #e0e0e0;border-radius:12px;padding:20px;color:#333;box-shadow:0 2px 4px rgb(0 0 0 / .05)}.hnc-milestones h3{margin:0 0 20px 0;color:#333}.hnc-milestone-grid{display:flex;flex-wrap:wrap;gap:10px}.hnc-milestone-item{background:#f8f9fa;border:1px solid #e9ecef;padding:8px 16px;border-radius:20px;display:flex;align-items:center;gap:8px;color:#495057}.hnc-milestone-icon{font-size:20px}.hnc-milestone-name{font-size:14px;font-weight:600}.hnc-time-analysis{margin-top:30px;background:#fff;border:2px solid #e5e7eb;border-radius:12px;padding:20px}.hnc-time-analysis h3{margin:0 0 20px 0;color:#333}.hnc-time-info{display:flex;align-items:center;gap:20px}.hnc-time-badge{background:linear-gradient(135deg,#fbbf24,#f59e0b);color:#fff;padding:12px 20px;border-radius:50px;display:flex;align-items:center;gap:10px}.hnc-time-icon{font-size:24px}.hnc-time-text{font-weight:600}.hnc-history-item{border:1px solid #e5e7eb;border-radius:8px;margin-bottom:12px;MODIFIED:更柔和的白色背景，避免过度渐变 background:#fff;box-shadow:0 1px 3px rgb(0 0 0 / .05);transition:all 0.2s}.hnc-history-item:hover{border-color:#3b82f6;// MODIFIED:微妙的悬停效果 background:#f8fbff;box-shadow:0 4px 8px rgb(59 130 246 / .1);transform:translateY(-1px)}.hnc-history-header{padding:15px;display:flex;justify-content:space-between;align-items:center;// MODIFIED:更清爽的头部背景 background:#f8fafc;border-bottom:1px solid #e5e7eb;border-radius:8px 8px 0 0}.hnc-history-date{font-weight:600;color:#1e88e5;font-family:monospace;font-size:14px}.hnc-history-type{background:#e3f2fd;color:#1565c0;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.hnc-history-content-preview{padding:15px;// MODIFIED:柔和蓝白叠层渐变，确保字体可见 background:linear-gradient(to bottom,#f8fbff 0%,#f0f7ff 100%);box-shadow:0 4px 8px rgb(0 0 0 / .05);border-radius:8px;margin-top:8px}// NEW:确保内容文字颜色可见 .hnc-history-content-preview p{color:#1f2937!important;font-weight:500}.hnc-history-content-preview p{margin:8px 0;color:#333;font-size:14px}.hnc-history-content-preview strong{color:#555}details.hnc-history-item summary{padding:15px;cursor:pointer;display:flex;align-items:center;gap:15px;font-size:16px}details.hnc-history-item summary:hover{background:#f9f9f9}details.hnc-history-item .hnc-history-content{padding:0 20px 20px;border-top:1px solid #e0e0e0}.hnc-history-score{background:#4caf50;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-translation-history-details{margin-top:15px}.hnc-translation-original,.hnc-translation-user{margin-bottom:15px;padding:10px;background:#f8f9fa;border-radius:6px}.hnc-translation-original h5,.hnc-translation-user h5{margin:0 0 8px 0;color:#495057;font-size:13px}.hnc-translation-original p,.hnc-translation-user p{margin:0;color:#6c757d;font-size:13px;line-height:1.5}.hnc-translation-stats{display:flex;gap:15px;flex-wrap:wrap}.hnc-translation-stats .hnc-stat-item{background:#e9ecef;color:#495057;padding:4px 8px;border-radius:4px;font-size:11px;font-weight:500}.hnc-profile-container{display:flex;gap:30px}.hnc-profile-menu{flex:0 0 200px}.hnc-profile-menu ul{list-style:none;padding:0;margin:0;position:sticky;top:50px}.hnc-profile-menu ul li a{display:block;padding:10px 15px;text-decoration:none;color:#333;border-radius:5px;transition:all 0.2s}.hnc-profile-menu ul li.active a,.hnc-profile-menu ul li a:hover{background-color:#eef5ff;color:#1e88e5;font-weight:600}.hnc-profile-content{flex:1;min-width:0}.hnc-profile-content h2{margin-top:0}.hnc-history-tabs{display:flex;gap:10px;margin-bottom:20px;border-bottom:1px solid #e0e0e0;flex-wrap:wrap}.hnc-history-tab{padding:10px 15px;border:none;background:none;cursor:pointer;border-bottom:2px solid #fff0;transition:all 0.2s;font-size:14px}.hnc-history-tab.active{border-bottom-color:#1e88e5;color:#1e88e5;font-weight:600}.hnc-history-panel{display:none}.hnc-history-panel.active{display:block}.hnc-history-list{margin-top:20px}.hnc-profile-container .hnc-stats-grid{display:flex;gap:20px;margin-top:20px;flex-wrap:wrap}.hnc-profile-container .hnc-stat-card{flex:1;min-width:150px;background:#f3f4f6;border-radius:12px;padding:20px;text-align:center}.hnc-profile-container 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p{margin:0;color:#666;font-size:14px}.hnc-profile-container .hnc-titles-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.hnc-profile-container .hnc-title-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:20px;box-shadow:0 2px 4px rgb(0 0 0 / .05)}.hnc-profile-container .hnc-title-feature-name{font-size:18px;margin:0 0 15px;color:#333}.hnc-profile-container .hnc-title-current .hnc-title-en{font-size:24px;font-weight:700;color:#1e88e5}.hnc-profile-container .hnc-title-current .hnc-title-cn{font-size:16px;color:#555;margin-top:4px}.hnc-profile-container .hnc-title-progress-bar{background:#e0e0e0;border-radius:5px;height:10px;margin:20px 0 8px;overflow:hidden}.hnc-profile-container .hnc-title-progress-fill{background:#1e88e5;height:100%;border-radius:5px;transition:width 0.5s ease-in-out}.hnc-profile-container .hnc-title-progress-text{font-size:13px;color:#777}.hnc-profile-container 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.hnc-stat-value{font-weight:600;color:#333}.hnc-profile-container .hnc-settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}.hnc-profile-container .hnc-settings-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;padding:20px}.hnc-profile-container .hnc-settings-card h3{margin-top:0;color:#333}.hnc-profile-container .hnc-settings-form{display:flex;flex-direction:column;gap:15px}.hnc-profile-container .hnc-form-group{display:flex;flex-direction:column;gap:5px}.hnc-profile-container .hnc-form-group label{font-weight:600;color:#333}.hnc-profile-container .hnc-form-group input{padding:10px;border:1px solid #ddd;border-radius:4px;background:#f9f9f9}.hnc-profile-container .hnc-preferences{display:flex;flex-direction:column;gap:10px}.hnc-profile-container .hnc-preference-item label{display:flex;align-items:center;gap:10px;cursor:pointer}.hnc-profile-container .hnc-preference-item input[type="checkbox"]{width:18px;height:18px}.hnc-last-active-note{margin-top:20px;text-align:center;color:#6b7280;font-size:14px}.hnc-history-filters{background:#f8f9fa;border-radius:12px;padding:20px;margin-bottom:25px;border:2px solid #e9ecef}.hnc-filter-row{display:flex;flex-wrap:wrap;gap:20px;align-items:center}.hnc-filter-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.hnc-filter-group label{font-weight:600;color:#495057;white-space:nowrap}.hnc-date-input,.hnc-search-input{padding:8px 12px;border:2px solid #dee2e6;border-radius:6px;font-size:14px;transition:border-color 0.3s}.hnc-date-input:focus,.hnc-search-input:focus{outline:none;border-color:#1e88e5;box-shadow:0 0 0 3px rgb(30 136 229 / .1)}.hnc-search-input{min-width:200px}.hnc-filter-btn{background:#6c757d;color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;transition:background-color 0.3s}.hnc-filter-btn:hover{background:#5a6268}.hnc-history-enhanced .hnc-count{background:rgb(30 136 229 / .1);color:#1e88e5;padding:2px 6px;border-radius:10px;font-size:11px;margin-left:5px}.hnc-history-results{min-height:200px}.hnc-loading{text-align:center;padding:40px;color:#6c757d}.hnc-no-results{text-align:center;padding:40px;background:#f8f9fa;border-radius:12px;border:2px dashed #dee2e6}.hnc-no-results p:first-child{font-size:18px;margin-bottom:10px;color:#6c757d}.hnc-no-results p:last-child{font-size:14px;color:#adb5bd;margin:0}.hnc-calendar-container{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 8px rgb(0 0 0 / .1)}.hnc-calendar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.hnc-calendar-nav{background:#1e88e5;color:#fff;border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;font-size:16px;transition:background-color 0.3s}.hnc-calendar-nav:hover{background:#1565c0}.hnc-calendar-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;margin-bottom:10px}.hnc-weekday{padding:10px;text-align:center;font-weight:600;color:#6c757d;background:#f8f9fa}.hnc-calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:#e9ecef;border-radius:8px;overflow:hidden}.hnc-calendar-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:#fff;cursor:pointer;transition:all 0.3s;position:relative}.hnc-calendar-day:hover{background:#e3f2fd}.hnc-calendar-day.hnc-other-month{color:#ced4da;background:#f8f9fa}.hnc-calendar-day.hnc-today{background:#1e88e5;color:#fff;font-weight:700}.hnc-calendar-day.hnc-checked{background:#4caf50;color:#fff;font-weight:600}.hnc-calendar-day.hnc-checked::after{content:'✓';position:absolute;top:2px;right:3px;font-size:12px}.hnc-calendar-legend{display:flex;justify-content:center;gap:20px;margin-top:20px;flex-wrap:wrap}.hnc-legend-item{display:flex;align-items:center;gap:8px;font-size:14px}.hnc-legend-dot{width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;color:#fff}.hnc-legend-dot.hnc-today{background:#1e88e5}.hnc-legend-dot.hnc-checked{background:#4caf50}.hnc-legend-dot.hnc-streak{background:#ff9800}.hnc-profile-footer{margin-top:30px;text-align:center;padding:20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:12px;color:#fff}.hnc-version-info{margin:0;font-weight:600;font-size:16px}.hnc-status{background:#10b981;color:white!important;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-header-info{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.hnc-score{background:#10b981;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-word-count{background:#3b82f6;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-category{background:#8b5cf6;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-difficulty{background:#f59e0b;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-translation{background:#06b6d4;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-author{background:#84cc16;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-source{background:#6366f1;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-topic-type{background:#ec4899;color:#fff;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.hnc-history-details{margin-top:12px;border:1px solid rgb(148 163 184 / .15);border-radius:8px;overflow:hidden;// MODIFIED:更柔和的背景，确保内容可见 background:linear-gradient(135deg,#ffffff 0%,#f8fbff 100%);box-shadow:0 2px 4px rgb(0 0 0 / .04)}.hnc-history-details summary{// MODIFIED:柔和浅蓝渐变，确保文字对比度 background:linear-gradient(to right,#f0f9ff 0%,#e0f2fe 100%);padding:12px 16px;cursor:pointer;font-weight:500;color:#0369a1!important;border-bottom:1px solid rgb(3 105 161 / .1);user-select:none;transition:all 0.2s ease}.hnc-history-details summary:hover{// MODIFIED:柔和悬停效果 background:linear-gradient(to right,#dbeafe 0%,#bae6fd 100%);color:#0369a1!important}.hnc-history-details[open] summary{// MODIFIED:展开状态使用柔和蓝色，保持文字可读 background:linear-gradient(to right,#e0f2fe 0%,#bae6fd 100%);color:#0369a1!important;box-shadow:inset 0 1px 3px rgb(0 0 0 / .05)}.hnc-history-analysis{padding:16px;background:#fff;line-height:1.6;color:#374151;font-size:14px;white-space:pre-wrap;border-left:3px solid #1e88e5;margin:0}.hnc-translation-details{padding:16px;background:#fff}.hnc-original-text,.hnc-user-translation{margin-bottom:16px;padding:12px;border-radius:6px;border-left:3px solid #e5e7eb}.hnc-original-text{background:#fef7f0;border-left-color:#f59e0b}.hnc-user-translation{background:#f0f9ff;border-left-color:#1e88e5}.hnc-original-text h5,.hnc-user-translation h5{margin:0 0 8px 0;font-size:13px;font-weight:600;color:#374151}.hnc-original-text p,.hnc-user-translation p{margin:0;font-size:14px;line-height:1.5;color:#4b5563}.hnc-quote-info{margin-top:12px;padding:8px 12px;background:#f8fafc;border-radius:4px;border-left:3px solid #94a3b8}.hnc-quote-info p{margin:0;font-size:13px;color:#64748b}.hnc-essay-details{padding:16px;background:#fff}.hnc-essay-content,.hnc-essay-feedback{margin-bottom:16px;padding:12px;border-radius:6px;border-left:3px solid #e5e7eb}.hnc-essay-content{background:#fefce8;border-left-color:#eab308}.hnc-essay-feedback{background:#f0fdf4;border-left-color:#22c55e}.hnc-essay-content h5,.hnc-essay-feedback h5{margin:0 0 8px 0;font-size:13px;font-weight:600;color:#374151}.hnc-essay-content p,.hnc-essay-feedback p{margin:0;font-size:14px;line-height:1.6;color:#4b5563}.hnc-essay-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px solid #e5e7eb}.hnc-essay-stats span{background:#e5e7eb;color:#374151;padding:4px 10px;border-radius:12px;font-size:12px;font-weight:500}// NEW:确保详情内容文字可见 .hnc-sentence-details p,.hnc-sentence-details h5,.hnc-ref-text p,.hnc-translation p,.hnc-practice-info p{color:#374151!important}.hnc-history-analysis{color:#374151!important}.hnc-history-analysis 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