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YaHei",sans-serif;--safe-area-inset-bottom:env(safe-area-inset-bottom,0px);--safe-area-inset-top:env(safe-area-inset-top,0px)}.dark{--bg-primary:#141414;--bg-secondary:#1e1e1e;--bg-card:#1a1a1a;--text-primary:#e8e6e1;--text-secondary:#9a9a9a;--text-muted:#5c5c5c;--border-color:#2a2a2a;--accent:#e07052;--accent-hover:#f08062;--accent-light:#2a1a16;--success:#6abf8a;--warning:#e0b84a;--danger:#e06060}@media (prefers-reduced-motion:reduce){*,:after,:before{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.7;transition:background-color .4s,color .4s;overflow-x:hidden}::selection{background-color:var(--accent);color:#fff}.article-content .sentence{cursor:pointer;border-radius:2px;padding:0 1px;transition:background-color .15s}.article-content .sentence.translated,.article-content .sentence:hover{background-color:var(--accent-light)}.article-content .word{cursor:pointer;border-bottom:1px solid var(--accent)}@supports (color:color-mix(in lab,red,red)){.article-content .word{border-bottom:1px solid color-mix(in srgb,var(--accent) 40%,transparent)}}.article-content .word{padding:0 1px;transition:all .15s}.article-content .word:hover{color:var(--accent);border-bottom-color:var(--accent);background-color:var(--accent-light)}.word-popup{z-index:1000;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;min-width:240px;max-width:340px;padding:20px;animation:popupIn .15s ease-out;position:fixed;box-shadow:0 8px 40px #00000014,0 0 0 1px #00000005}.dark .word-popup{box-shadow:0 8px 40px #0000004d,0 0 0 1px #ffffff0a}@media (max-width:480px){.word-popup{width:calc(100vw - 16px);min-width:auto;max-width:none;padding:16px;padding-bottom:calc(16px + var(--safe-area-inset-bottom));border-radius:12px 12px 0 0;left:8px!important;right:8px!important;bottom:var(--safe-area-inset-bottom)!important;top:auto!important}}@keyframes popupIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (max-width:480px){@keyframes popupIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}}.translation-bubble{background-color:var(--accent-light);border-left:2px solid var(--accent);color:var(--text-secondary);border-radius:0 4px 4px 0;margin-top:6px;margin-bottom:4px;padding:6px 10px;font-size:.88em;line-height:1.7;display:block}.source-tag{border:1px solid var(--border-color);color:var(--text-secondary);background:var(--bg-secondary);gap:4px}.difficulty-tag,.source-tag{letter-spacing:.02em;border-radius:3px;align-items:center;padding:2px 8px;font-size:.7rem;font-weight:500;display:inline-flex}.difficulty-cet4{color:#2e7d32;background:#e8f5e9;border:1px solid #c8e6c9}.difficulty-cet6{color:#1565c0;background:#e3f2fd;border:1px solid #bbdefb}.difficulty-kaoyan{color:#e65100;background:#fff8e1;border:1px solid #ffe0b2}.difficulty-beyond{color:#ad1457;background:#fce4ec;border:1px solid #f8bbd0}.dark .difficulty-cet4{color:#81c784;background:#1b3a1e;border-color:#2e5a32}.dark .difficulty-cet6{color:#64b5f6;background:#0d2744;border-color:#1a3a5c}.dark .difficulty-kaoyan{color:#ffb74d;background:#3a2800;border-color:#5a4000}.dark .difficulty-beyond{color:#f48fb1;background:#3a1020;border-color:#5a1830}.btn-primary{background:var(--accent);color:#fff;cursor:pointer;letter-spacing:.01em;touch-action:manipulation;border:none;border-radius:6px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:8px 16px;font-size:.8125rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-primary:active{transform:scale(.98)}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border-color);cursor:pointer;touch-action:manipulation;background:0 0;border-radius:6px;justify-content:center;align-items:center;gap:6px;min-height:44px;padding:8px 16px;font-size:.8125rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-ghost:hover{background:var(--bg-secondary);border-color:var(--text-muted)}.btn-ghost:active{transform:scale(.98)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;transition:all .25s}.card:hover{border-color:var(--text-muted);box-shadow:0 2px 12px #0000000a}.dark .card:hover{box-shadow:0 2px 12px #0003}.card-modern{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;min-height:160px;transition:all .3s cubic-bezier(.4,0,.2,1)}.card-modern:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 30px #00000014,0 2px 8px #0000000a}.dark .card-modern:hover{box-shadow:0 8px 30px #0000004d,0 2px 8px #00000026}.article-image-wrapper{min-height:180px;position:relative}.image-overlay{opacity:0;background:linear-gradient(#0000 50%,#0000000d);transition:opacity .3s;position:absolute;inset:0}.card-modern:hover .image-overlay{opacity:1}.article-image-placeholder{border-bottom:1px solid var(--border-color)}.daily-recommend-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;align-items:center;min-height:280px;padding:28px;transition:all .35s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}@media (min-width:640px){.daily-recommend-card{padding:36px}}@media (min-width:768px){.daily-recommend-card{padding:44px}}.daily-recommend-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 12px 40px #c45d3e1f,0 4px 12px #0000000f}.dark .daily-recommend-card:hover{box-shadow:0 12px 40px #e0705226,0 4px 12px #00000040}.daily-gradient-overlay{background:linear-gradient(#00000040,#00000080 50%,#000000b3)}.daily-badge{background:linear-gradient(135deg,var(--accent) 0,var(--accent-hover) 100%);color:#fff;letter-spacing:.03em;text-transform:uppercase;border-radius:20px;align-items:center;gap:6px;padding:5px 12px;font-size:.75rem;font-weight:600;display:inline-flex;box-shadow:0 2px 8px #c45d3e40}.daily-read-more{color:var(--accent);gap:4px;font-weight:500;transition:all .2s}.input-field{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color);border-radius:6px;outline:none;min-height:44px;padding:8px 12px;font-size:.8125rem;transition:border-color .2s}.input-field:focus{border-color:var(--accent)}.select-field{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%239a9a9a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-position:right 10px center;background-repeat:no-repeat;border-radius:6px;outline:none;min-height:44px;padding:8px 28px 8px 12px;font-size:.8125rem;transition:border-color .2s}.select-field:focus{border-color:var(--accent)}.divider{background:var(--border-color);border:none;height:1px;margin:0}@media (max-width:640px){.filter-bar{flex-direction:column;align-items:stretch}.filter-bar .select-field{width:100%}.filter-bar .btn-ghost{width:100%;margin-top:8px;margin-left:0}}@media (max-width:480px){.article-header{flex-wrap:wrap}.font-size-selector{flex-wrap:wrap;gap:4px}.font-size-selector button{flex:1;min-width:44px;min-height:44px}}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-gradient-position{syntax:"*";inherits:false}@property --tw-gradient-from{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-via{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-to{syntax:"<color>";inherits:false;initial-value:#0000}@property --tw-gradient-stops{syntax:"*";inherits:false}@property --tw-gradient-via-stops{syntax:"*";inherits:false}@property --tw-gradient-from-position{syntax:"<length-percentage>";inherits:false;initial-value:0}@property --tw-gradient-via-position{syntax:"<length-percentage>";inherits:false;initial-value:50%}@property --tw-gradient-to-position{syntax:"<length-percentage>";inherits:false;initial-value:100%}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-scale-x{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-y{syntax:"*";inherits:false;initial-value:1}@property --tw-scale-z{syntax:"*";inherits:false;initial-value:1}@keyframes pulse{50%{opacity:.5}}