/* News section: single-column editorial rows, 10 per page, matching purple/white site. */
.nv4-page,.nv4-home{color:#272648;margin:20px auto 32px;max-width:1300px}
.nv4-page{padding:0 10px 35px}
.nv4-head{padding:17px 22px 20px;background:linear-gradient(110deg,#f3f0ff,#fff);border:1px solid #e5dffc;border-radius:20px;margin-bottom:17px}
.nv4-head h1{font-size:30px;line-height:1.25;margin:5px 0;color:#2f285c}.nv4-head p{color:#777396;font-size:13px}
.nv4-eyebrow,.nv4-section-head small{color:#7867d3;font-size:10px;letter-spacing:1.5px;font-weight:800}
.nv4-back{border:0;background:transparent;color:#6b5fc4;cursor:pointer;font-size:12px;padding:5px 0;font-weight:700}
.nv4-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.nv4-section-head h2{font-size:21px;margin:2px 0}.nv4-section-head h2 span,.nv4-section-head>span{font-size:12px;color:#8b87a6;font-weight:400}
.nv4-section-head button,.nv4-small button{border:0;background:transparent;color:#695bca;cursor:pointer;font-weight:700}
.nv4-home{padding:22px 20px 19px;border-radius:22px;border:1px solid #e0dcf5;background:#fff;box-shadow:0 9px 26px #5551890a}
.nv4-rows{display:flex;flex-direction:column;gap:0;border:1px solid #e7e4f2;border-radius:15px;overflow:hidden;background:#fff}
.nv4-row{display:grid;grid-template-columns:38px minmax(0,1fr) auto 62px 74px;align-items:center;gap:11px;padding:10px 13px;border-bottom:1px solid #f1eff8;min-height:72px;background:#fff;transition:background .15s}
.nv4-row:last-child{border-bottom:0}.nv4-row:hover{background:#faf9ff}.nv4-icon{background:#f0ecff;border-radius:11px;width:35px;height:35px;display:grid;place-items:center;color:#7460d6;font-size:19px}
.nv4-row-body{min-width:0}.nv4-title{display:block;max-width:100%;border:0;background:none;padding:0;color:#292748;font-family:Georgia,'Times New Roman',serif;font-size:15px;font-weight:700;line-height:1.4;text-align:left;cursor:pointer;white-space:normal;overflow-wrap:anywhere}.nv4-title:hover{color:#6354ce}
.nv4-sub{display:flex;gap:7px;flex-wrap:wrap;font-size:11px;color:#8784a1;margin-top:5px}
.nv4-level{font-size:10px;color:#6658bc;background:#f0edff;border-radius:15px;padding:5px 8px;white-space:nowrap}.nv4-category{font-size:11px;color:#8480a0;white-space:nowrap}
.nv4-learn{border:1px solid #e1dcfb;background:#f5f3ff;border-radius:12px;color:#6557c1;padding:8px;cursor:pointer;font-weight:700;font-size:11px;white-space:nowrap}
.nv4-filters{display:flex;align-items:center;flex-wrap:wrap;gap:6px;margin:16px 0}.nv4-filters button{border:1px solid #e4dffc;background:#fff;padding:9px 12px;border-radius:20px;font-size:12px;cursor:pointer;color:#625c86}
.nv4-filters button.active{background:#6757d4;color:#fff;border-color:#6757d4}.nv4-count,.nv4-small{font-size:11px;color:#85819d;line-height:1.8;margin:9px 0}
.nv4-stale{color:#b86a33;font-weight:700}.nv4-pages{display:flex;align-items:center;justify-content:center;gap:14px;padding:21px 0}
.nv4-pages button{background:#f5f2ff;color:#6050c4;border:1px solid #e0d9fd;padding:9px 16px;border-radius:12px;cursor:pointer}.nv4-pages button:disabled{opacity:.45;cursor:not-allowed}.nv4-pages span{font-size:12px;color:#827b9e}
.nv4-empty,.nv4-state{padding:27px 22px;background:#fbfaff;border:1px dashed #e1dbf6;border-radius:16px;color:#7e779c;line-height:1.9;font-size:13px}.nv4-empty strong{font-size:16px;color:#555079}.nv4-disclaimer{font-size:11px;line-height:1.9;color:#8c86a5}
.nv4-study{max-width:920px;margin:10px auto 35px;background:#fff;border:1px solid #e3def4;border-radius:21px;padding:25px 30px;box-shadow:0 12px 28px #3830710a}
.nv4-reading-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:#8985a0;font-size:11px;margin:12px 0}.nv4-study h2{font-family:Georgia,serif;font-size:clamp(25px,3vw,35px);line-height:1.45;margin:13px 0 22px;color:#272347}
.nv4-learn-tools{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px;background:#f8f6ff;border:1px solid #ebe6ff;border-radius:13px}
.nv4-learn-tools button,.nv4-reading-paragraph button[data-nv4-tts]{border:0;background:#6759c6;color:#fff;border-radius:11px;font-size:12px;cursor:pointer;padding:10px 13px}
.nv4-learn-tools label{font-size:12px;color:#77728f}.nv4-learn-tools select{padding:8px;border:1px solid #e5e0f2;border-radius:8px;background:#fff;margin-left:8px}
.nv4-learn-tools a,.nv4-dictionary a{font-size:12px;color:#6254c1;text-decoration:none}
.nv4-reading-paragraph{margin:22px 0;padding:23px 23px;background:#fcfbff;border-left:4px solid #bdb1f5;border-radius:0 14px 14px 0}
.nv4-reading-title{font-size:12px;color:#7165a9;font-weight:800;margin-bottom:14px}.nv4-reading-paragraph p{font:22px/2 Georgia,'Times New Roman',serif;color:#302b50;margin:0 0 12px}
.nv4-word{border:0;cursor:pointer;background:none;font:inherit;color:inherit;padding:0 1px;margin:0}.nv4-word:hover{color:#6a58cf;background:#eeebff;border-radius:4px}
.nv4-translation{font:15px/1.9 -apple-system,BlinkMacSystemFont,'Microsoft YaHei',sans-serif!important;color:#77739a!important}.nv4-translation small{display:block;color:#aaa5b8;font-size:10px}
.nv4-study-note{margin:22px 0;padding:17px;background:#f7f5ff;border:1px solid #e9e4fb;border-radius:13px;color:#716b91;font-size:12px;line-height:1.9}.nv4-study-note strong{font-size:14px;color:#44416b}
.nv4-vocab{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.nv4-vocab button{border:1px solid #dfd7fa;background:white;color:#6658be;border-radius:22px;padding:6px 12px;cursor:pointer}
.nv4-comments{margin-top:35px;border-top:1px solid #edeaf5;padding-top:20px}.nv4-comments h3{font-size:19px;margin:0}.nv4-comment{padding:13px 0;border-bottom:1px solid #f2effb}.nv4-comment b{font-size:12px}.nv4-comment b small{color:#b17838}.nv4-comment p{margin:6px 0;font-size:13px;line-height:1.75}.nv4-comment time{font-size:10px;color:#aaa4bd}
.nv4-comment-gate{background:#f6f4ff;padding:12px;border-radius:10px;font-size:12px;color:#857eaa}
#nv4CommentForm{display:grid;gap:10px;margin-top:16px}#nv4CommentForm textarea{min-height:90px;padding:12px;border:1px solid #e4ddfa;border-radius:11px;resize:vertical}#nv4CommentForm button{justify-self:end;background:#6957d2;border:0;color:#fff;border-radius:10px;padding:11px 16px;cursor:pointer}
.nv4-dictionary{position:fixed;z-index:99999;bottom:24px;right:25px;width:min(350px,calc(100% - 30px));padding:22px;border:1px solid #d8cdf6;border-radius:18px;background:white;box-shadow:0 16px 60px #34306144}
.nv4-dictionary h3{font:700 29px Georgia,serif;color:#31284e;margin:0 0 10px}.nv4-dictionary p{font-size:12px;color:#7e779a;line-height:1.8}.nv4-dictionary button:not(.nv4-dict-close){padding:8px;border-radius:9px;border:0;background:#ede9fe;color:#5948bd;cursor:pointer}.nv4-dict-close{float:right;border:0;background:none;cursor:pointer;font-size:25px;color:#887fb1}
@media(max-width:850px){.nv4-row{grid-template-columns:32px minmax(0,1fr) auto}.nv4-row>.nv4-category,.nv4-row>.nv4-level{display:none}}
@media(max-width:600px){.nv4-home{padding:14px 11px}.nv4-row{grid-template-columns:30px minmax(0,1fr) 60px;gap:6px;padding:10px 7px;min-height:78px}.nv4-icon{width:28px;height:28px}.nv4-title{font-size:13px}.nv4-learn{font-size:10px;padding:7px 4px}.nv4-sub{font-size:10px}.nv4-study{padding:14px 13px}.nv4-study h2{font-size:25px}.nv4-reading-paragraph{padding:14px}.nv4-reading-paragraph p{font-size:20px}.nv4-section-head h2{font-size:18px}.nv4-page{padding:0 4px 70px}}