@charset "utf-8";
.word-page{padding:20px 0}
body{font-family:"PingFang SC","Helvetica","Arial",sans-serif;background-color:#f6f7f9;color:#333;margin:0;padding:0;line-height:1.7}
.container{display:flex;flex-wrap:wrap;max-width:1200px;margin:20px auto;padding:0 15px;gap:20px}
.left-column{flex:3;min-width:300px}
.right-column{flex:1;min-width:260px;position:sticky;top:20px;align-self:flex-start}
button,.btn-check{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border:none;border-radius:12px;cursor:pointer;transition:.25s ease;font-size:14px;font-weight:600}
button:hover,.btn-check:hover{transform:translateY(-2px);box-shadow:0 5px 14px rgba(0,0,0,.12)}
.word-game h2,.word-forms h2,.content-card h2,.related-sentence-section h2,.relation-box h2{font-size:22px;line-height:1.5}
.sentence-block{background-color:#f0f8ff;padding:16px;border-radius:14px;margin-bottom:14px;box-shadow:0 4px 10px rgba(0,0,0,.05)}
.sentence-en{font-size:20px;font-weight:700;color:#1c3d5a;line-height:1.7;margin-bottom:10px}
.sentence-cn{color:#4a636f;line-height:1.8;font-size:15px}
.sentence-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.speak-sentence-btn{background-color:#d9e8ff;color:#1c3d5a;border:none;padding:11px 18px;border-radius:12px;cursor:pointer;transition:.3s;display:inline-flex;align-items:center;gap:5px}
.speak-sentence-btn:hover{background-color:#a1cfff}
.btn-check{background:linear-gradient(135deg,#7fd89d,#57c67c);color:#fff;text-decoration:none}
.btn-check:hover{color:#fff}
.btn-reset{background:linear-gradient(135deg,#ffd8c9,#ffc0aa);color:#9b4c31}
.related-block{padding:10px 12px;background-color:#d7f0e8;border-radius:10px;margin-bottom:10px;cursor:pointer;transition:.3s all ease}
.related-block:hover{background-color:#bfe7d7}
.related-block a{color:inherit;text-decoration:none;display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.sidebar-card{background:#fff;border-radius:18px;padding:20px;margin-bottom:20px;box-shadow:0 6px 20px rgba(0,0,0,.05)}
.sidebar-card h3{font-size:18px;color:#386fa4;border-bottom:2px solid #dbeeff;padding-bottom:8px;margin-bottom:16px}
blockquote{font-style:italic;border-left:3px solid #a1cfff;padding-left:12px;color:#5a5d7a;margin:0;line-height:1.9}
.game-result{margin-top:18px;font-size:16px;font-weight:700;min-height:24px}
.option-btn,.form-card,.related-block,.sentence-block,.content-card,.sidebar-card{transition:.25s ease}
.option-btn:hover,.form-card:hover,.related-block:hover,.sentence-block:hover,.content-card:hover,.sidebar-card:hover{transform:translateY(-2px)}
.word-hero{background:linear-gradient(135deg,#e5f1ff,#d8ebff);border-radius:20px;padding:28px;box-shadow:0 8px 24px rgba(0,0,0,.08);margin-bottom:25px}
.word-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;flex-wrap:wrap}
.word-title{font-size:54px;color:#0b3d91;margin:0 0 14px}
.word-phonetic-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.phonetic{background:rgba(255,255,255,.8);padding:8px 12px;border-radius:999px;font-size:15px;color:#35516d}
.word-speak-btn{background:#fff;color:#0b3d91;border:none;border-radius:999px;padding:9px 16px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.word-level{background:linear-gradient(135deg,#7fd89d,#57c67c);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px}
.word-basic-info{margin-top:22px}
.word-tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.word-tag-list span{background:rgba(255,255,255,.75);color:#0b3d91;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600}
.word-basic-meaning{font-size:18px;line-height:1.8;color:#31475d}
.word-game{background:linear-gradient(135deg,#fff4ea,#ffe9dd);border-radius:18px;padding:24px;margin-bottom:25px;box-shadow:0 8px 22px rgba(0,0,0,.06)}
.word-game h2{font-size:24px;color:#d46a4c;margin-bottom:16px}
.game-question{font-size:17px;color:#684d42;margin-bottom:18px}
.game-options{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;background:rgba(255,255,255,.45);padding:18px;border-radius:14px;border:2px dashed #ffb79e}
.option-btn{border:none;background:linear-gradient(135deg,#dcefff,#c7e4ff);padding:16px 24px;font-size:18px;min-width:180px;border-radius:28px;cursor:pointer;font-weight:600;transition:all .25s ease}
.option-btn.active{transform:scale(1.06);background:linear-gradient(135deg,#8ec8ff,#63afff);box-shadow:0 8px 20px rgba(70,140,255,.22)}
.option-btn.selected{background:linear-gradient(135deg,#c8f7d2,#97e7ab);color:#14532d;box-shadow:0 6px 18px rgba(34,197,94,.25);transform:translateY(-2px)}
.option-btn.wrong{background:linear-gradient(135deg,#ffd4d4,#ffb0b0);color:#8b0000;animation:shake .35s}
.option-btn.disabled{opacity:.45;pointer-events:none}
.option-btn.correct{background:linear-gradient(135deg,#67e8a8,#22c55e);color:#fff;animation:successPulse 1s infinite}
.game-translation{background:rgba(255,255,255,.45);border-radius:12px;padding:12px 14px;margin-bottom:14px;border-left:4px solid #f3b27a}
.game-translation .label{display:inline-block;font-size:13px;color:#c77732;background:#fff3e8;padding:3px 8px;border-radius:999px;margin-bottom:8px;font-weight:600}
.translation-text{font-size:16px;line-height:1.7;color:#5a4b42}
.game-tip{color:#9a6a5b;font-size:15px;margin-bottom:18px;transition:.3s}
.game-tip.hide{opacity:0;transform:translateY(-5px);height:0;overflow:hidden;margin:0}
.word-forms{background:#fff;border-radius:18px;padding:24px;margin-bottom:25px;box-shadow:0 6px 20px rgba(0,0,0,.06)}
.word-forms h2{margin-bottom:18px;color:#386fa4}
.forms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.form-card{background:#f5faff;border-radius:14px;padding:16px;text-align:center}
.form-label{font-size:13px;color:#789}
.form-value{margin-top:8px;font-size:20px;font-weight:700;color:#1c3d5a}
.word-content-section{display:flex;flex-direction:column;gap:20px;margin-bottom:25px}
.content-card{background:#fff;border-radius:18px;padding:24px;box-shadow:0 6px 18px rgba(0,0,0,.05)}
.content-card h2{font-size:22px;margin-bottom:14px;color:#3e5f58}
.content-card ul{padding-left:18px}
.content-card li{margin-bottom:10px}
.example-item{padding:14px;border-radius:12px;background:#f6fbff;margin-bottom:14px}
.example-en{font-weight:700;color:#1c3d5a;margin-bottom:8px}
.example-cn{color:#555}
.dialog-item{margin-bottom:10px;line-height:1.8}
.word-relations{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:25px}
.relation-box{border-radius:18px;padding:24px}
.synonym-box{background:#eef8ff}
.antonym-box{background:#fff1f1}
.relation-box h2{margin-bottom:16px}
.relation-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.relation-tags span{padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.8);font-size:14px}
.relation-tags a{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border-radius:999px;background:#fff;color:#2563eb;text-decoration:none;font-size:14px;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.05);transition:.25s ease}
.relation-tags a:hover{transform:translateY(-2px);background:#2563eb;color:#fff}
.relation-tags .gray{width:100%;color:#6b7280;font-size:13px;font-weight:700;margin-top:6px}
.related-sentence-section{margin-bottom:30px}
.related-sentence-section h2{margin-bottom:18px;color:#386fa4}
.progress-bar{width:100%;height:10px;background:#edf2f7;border-radius:999px;overflow:hidden;margin-bottom:10px}
.progress-inner{width:70%;height:100%;background:linear-gradient(135deg,#67c587,#45b36b)}
.level-text{font-size:14px;color:#666}
.qrcode{background:#f0f8ff;border-radius:18px;padding:20px;margin-bottom:20px;box-shadow:0 6px 20px rgba(0,0,0,.05);text-align:center}
.qrcode h3{font-size:18px;color:#1c3d5a;border-bottom:2px solid #d7e9ff;padding-bottom:8px;margin-bottom:18px}
.qr-code{width:150px;height:150px;margin:0 auto;background:#fff;border-radius:3px;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 1px 3px rgba(0,0,0,.04),0 4px 12px rgba(0,0,0,.06);overflow:hidden}
.qr-code img{width:100%!important;height:100%!important;display:block;border-radius:12px}
.game-actions{margin-top:20px}
.game-top-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.game-main-buttons{display:flex;gap:10px}
.game-main-buttons .btn-check,.game-main-buttons .btn-reset{padding:8px 14px;font-size:13px;opacity:.92;flex:1}
.share-actions{margin-left:auto;display:flex;gap:8px;align-items:center;justify-content:center}
.share-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 16px;border-radius:999px;font-size:13px;font-weight:600;text-decoration:none;border:none;cursor:pointer;transition:.25s ease}
.share-qq{background:#e8f2ff;color:#2563eb}
.share-wechat{background:#eaf9ee;color:#1f9d55}
.share-btn:hover{transform:translateY(-2px)}
.share-btn,.share-btn:link,.share-btn:visited,.share-btn:hover,.share-btn:active{text-decoration:none}
.wechat-share-box{display:none;margin-top:16px;padding:18px;background:#07c160;border-radius:18px;box-shadow:0 8px 30px rgba(0,0,0,.08);border:1px solid #eef3f8;text-align:center}
.wechat-share-title{font-size:15px;font-weight:700;color:#1f3b57;margin-bottom:14px}
#share-qrcode{display:flex;justify-content:center}
#share-qrcode img{border-radius:12px;background:#fff;padding:8px}
.btn-next-word{display:none;align-items:center;justify-content:center;width:80%;max-width:260px;padding:10px 18px;border-radius:12px;text-decoration:none;font-size:15px;font-weight:600;color:#fff;background:linear-gradient(135deg,#67c587,#45b36b);box-shadow:0 4px 12px rgba(69,179,107,.25);transition:.25s;margin:18px 0 0 0}
.btn-next-word:hover{transform:translateY(-2px);color:#fff}
.btn-next-word.show{display:inline-flex;animation:nextPulse 1.8s infinite;margin-top:16px}
.word-level-system{display:flex;flex-direction:column;gap:12px}
.word-level-system .level-item,.word-level-system .level-item:link,.word-level-system .level-item:visited{display:block;text-decoration:none;color:#5d7186}
.word-level-system .level-item:hover{text-decoration:none;color:#5d7186;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.08)}
.word-level-system .level-item.active,.word-level-system .level-item.active:link,.word-level-system .level-item.active:visited{color:inherit}
.level-item{position:relative;background:#f4f8fc;border-radius:14px;padding:14px 16px;font-size:15px;font-weight:700;color:#5d7186;transition:.25s ease;border:2px solid transparent}
.level-item:hover{background:#edf6ff}
.level-item.active{background:linear-gradient(135deg,#dff3ff,#cfeaff);color:#0b4c9c;border-color:#8fc5ff;box-shadow:0 6px 18px rgba(80,140,255,.12)}
.level-item.active::after{content:"当前";position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:12px;background:#4f8cff;color:#fff;padding:3px 8px;border-radius:999px}
.highlight-word{background:linear-gradient(120deg,#ffec9f 0,#ffd966 100%);color:#b45f06;padding:2px 6px;border-radius:8px;font-weight:700;display:inline-block;box-shadow:0 1px 3px rgba(0,0,0,.1)}
.article-header h1{font-size:28px;color:#3e5f58;margin-bottom:5px}
.article-meta{font-size:14px;color:#888;margin-bottom:15px}
.article-meta a{color:#888;text-decoration:none;transition:.25s ease}
.article-meta a:hover{color:#4f8cff}
.mm,.mr,.mrl,.mlr,.mtr,.mrt,.mbr,.mrb{margin-right:10px}
a.gray,.gray,.gray a{color:#aaa}
.phrase-content p{background:#f7fbff;border-radius:12px;padding:14px 16px;margin-bottom:12px;transition:.25s ease;border:1px solid #edf3f8;line-height:1.8}
.phrase-content p:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.06)}
.phrase-content p a{font-weight:700;color:#1c3d5a;text-decoration:none}
.phrase-content p a:hover{color:#2f7de1}
.example-content strong{display:inline-block;margin:18px 0 10px;font-size:17px;color:#1c3d5a;padding-left:10px;border-left:4px solid #7bbcff}
.example-content .tihuancss{background:#f7fbff;border-radius:14px;padding:14px 16px;margin-bottom:14px;line-height:1.9;border:1px solid #edf3f8;transition:.25s ease;font-size:16px;color:#1c3d5a}
.example-content .tihuancss:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.06)}
.example-content .tihuancss br+*{color:#5f6f7f}
.example-content em{font-style:normal;font-weight:700;color:#2f7de1}
.example-content a{color:#2563eb;text-decoration:none;font-weight:600;border-bottom:1px dashed rgba(37,99,235,.35);transition:.25s ease;margin-right:4px;display:inline-block}
.example-content a:hover{color:#1746a2;border-bottom-color:#1746a2;transform:translateY(-1px)}
.mini-point{display:inline-block;background:#eef6ff;color:#2563eb;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;margin-right:4px}
.cn_str{display:inline-block;font-weight:800;color:#7c3aed;background:#f3e8ff;padding:4px 10px;border-radius:8px;margin:0 4px;line-height:1.8}
.speak-sentence-btn.playing{background-color:#b8e6c1;color:#256b3f}
.speak-sentence-btn.playing .icon{animation:pulse 1s infinite}
.downloads{background-color:#fff6e6;padding:12px;border-radius:8px;margin-bottom:15px}
.downloads ul{list-style:none;padding:0}
.downloads li{margin-bottom:8px}
.downloads a{text-decoration:none;color:#a85c3d;background-color:#fce8d6;padding:4px 8px;border-radius:4px;transition:all .3s}
.downloads a:hover{background-color:#f9d9b3}
.word-speak-btn.playing{background:#dff6e5;color:#228b50}
.word-speak-btn.playing .speaker-icon{animation:speakerWave .8s infinite}
@keyframes speakerWave{0%{transform:scale(1);opacity:.7}50%{transform:scale(1.3);opacity:1}100%{transform:scale(1);opacity:.7}}
@keyframes nextPulse{0%{transform:scale(1)}50%{transform:scale(1.03)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
@keyframes successPulse{0%{transform:scale(1);box-shadow:0 0 0 rgba(34,197,94,.5)}50%{transform:scale(1.08);box-shadow:0 0 20px rgba(34,197,94,.6)}100%{transform:scale(1);box-shadow:0 0 0 rgba(34,197,94,0)}}
@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.15)}100%{transform:scale(1)}}
@media (max-width:768px){.container{display:block;padding:0 12px}.left-column,.right-column{width:100%;min-width:100%;flex:none}.right-column{position:static}.word-title{font-size:38px}.word-top{flex-direction:column}.word-level{align-self:flex-start}.forms-grid{grid-template-columns:1fr 1fr}.word-relations{grid-template-columns:1fr}.sentence-en{font-size:18px}.sentence-cn{font-size:15px}.sentence-actions{flex-direction:row;gap:10px}.speak-sentence-btn,.btn-check{width:40%!important;flex:0 0 40%;font-size:13px;padding:10px 12px;border-radius:10px}.btn-next-word,.btn-reset{width:100%}.content-card,.word-forms,.word-game,.word-hero{padding:18px}.word-game h2,.word-forms h2,.content-card h2,.related-sentence-section h2,.relation-box h2{font-size:20px}.word-hero{padding:20px}.word-basic-meaning{font-size:16px}.game-options{flex-direction:column}.option-btn{width:100%}.btn-next-word,.btn-check,.btn-reset{width:100%;justify-content:center}.qrcode{padding:18px}.qr-code{width:140px;height:140px}.game-main-buttons{width:100%}.game-main-buttons .btn-check,.game-main-buttons .btn-reset{width:auto!important;padding:12px 10px}.btn-next-word{width:80%;font-size:14px;margin:0 auto}.share-actions{margin-top:6px;width:100%;margin-left:0}.share-btn{flex:1;min-width:120px}.game-top-row{flex-direction:column;align-items:stretch}.game-main-buttons .btn-check,.game-main-buttons .btn-reset{min-width:auto}.btn-next-word.show{margin-top:20px}}