@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{font-family:Manrope,'Noto Sans SC',system-ui,sans-serif;color:#202e2a;background:#f5f7f5;font-synthesis:none;--green:#246849;--muted:#7b8781;--line:#e7ece7}*{box-sizing:border-box}body{margin:0;font-size:14px}button,input,select{font:inherit}button,a,select{cursor:pointer}button{transition:background .15s}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #99b9a3;outline-offset:3px}button:disabled{opacity:.35;cursor:default}.sidebar{width:232px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:33px 23px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:#263b2e;font-weight:800;font-size:21px;white-space:nowrap}.brand-icon{font-family:Georgia;font-style:italic;font-size:35px;line-height:38px;text-align:center;background:#246849;color:#fff;width:36px;border-radius:10px}.beta{font-size:8px;color:var(--muted);align-self:flex-start;margin-top:3px}.workspace{font-size:11px;color:#9aa29c;margin:55px 0 18px 12px}.workspace span{display:block;font-size:8px;letter-spacing:1.8px;margin-top:7px}.nav{background:transparent;border:0;display:flex;gap:12px;width:100%;padding:14px 15px;margin-bottom:9px;border-radius:8px;color:#77837a;text-align:left}.nav.active{background:#eaf2ec;color:var(--green);font-weight:700}.nav:hover{background:#f2f5f2}.side-note{margin-top:auto;font-size:11px;color:#5c7062;border:1px solid var(--line);padding:16px 12px;border-radius:10px;line-height:1.8}.side-note p{font-size:11px;color:#939b96;margin-bottom:0}.dot,.status-dot{display:inline-block;width:6px;height:6px;background:#5d916f;border-radius:50%;margin-right:6px}.side-footer{font-size:9px;letter-spacing:1px;color:#8d9a91;margin-top:24px}.side-footer span{display:block;margin-top:5px;letter-spacing:0}main{margin-left:232px}header{height:81px;border-bottom:1px solid var(--line);padding:0 40px;display:flex;align-items:center;justify-content:space-between;background:#fcfdfb}.breadcrumb{font-size:12px;color:#607367}.breadcrumb span{color:#b5beb7;margin:0 14px}.header-right{display:flex;align-items:center;font-size:11px;color:#7b887f;gap:6px}.header-right .button{margin-left:15px}.page{max-width:1530px;margin:auto;padding:40px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:2px;color:#74917e}h1{font-size:29px;letter-spacing:-.8px;margin:12px 0 9px;font-weight:600}h1 span{color:#76a38b}h2{font-size:15px;font-weight:700;margin:0}.subtitle{color:var(--muted);font-size:12px;margin:0}.title-row{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:28px}.button{border:1px solid #dfe6df;background:white;color:#435e4b;padding:10px 16px;border-radius:7px;font-size:12px;white-space:nowrap}.button:hover{background:#edf4ee}.button.dark{background:#255c42;color:white;border-color:#255c42;padding:12px 18px}.button.small{padding:8px 12px}.notice{background:#faf7ec;border:1px solid #ece6d1;color:#92804c;border-radius:7px;font-size:11px;padding:12px 16px;margin-bottom:22px;line-height:1.7}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:24px}.stat{background:#fff;border:1px solid var(--line);border-radius:11px;padding:20px 23px}.stat-label{font-size:11px;color:#748176;display:flex;justify-content:space-between}.stat-label b{font-size:15px;color:#a2b5a7;font-weight:400}.stat strong{display:block;font-size:34px;letter-spacing:-1.4px;font-weight:600;margin:13px 0 8px;line-height:1.1}.stat small{font-size:10px;color:#9aa29c}.stat.featured{background:#edf3ed;border-color:#dae6d9}.stat.featured strong{color:#326c4b}.middle{display:grid;grid-template-columns:1.7fr 1fr;gap:21px;margin-bottom:26px}.panel{background:white;border:1px solid var(--line);border-radius:11px}.distribution{padding:22px 25px}.panel-title{display:flex;justify-content:space-between;align-items:center}.panel-title span{font-size:10px;color:#929d95}.dist-row{display:grid;grid-template-columns:100px 1fr 90px;gap:14px;align-items:center;font-size:11px;margin-top:23px;color:#6a7b6e}.dist-row small{font-size:10px;color:#9aa69d}.bar{height:10px;background:#edf1e9;border-radius:4px;overflow:hidden}.bar div{background:#70997b;height:100%;border-radius:4px}.dist-row:last-child .bar div{background:#335f47}.dist-count{text-align:right;font-size:11px;color:#385d44}.legend{display:flex;align-items:center;font-size:9px;gap:7px;color:#9ba69e;margin-top:23px}.legend i{height:7px;width:7px;border-radius:2px;background:#70997b}.legend .pale{background:#edf1e9;margin-left:12px}.insight{padding:24px 26px;background:#edf1e6;border-color:#e3e8d9}.insight h2{font-size:18px;margin:12px 0 10px;line-height:1.6}.insight p{font-size:11px;color:#819077;line-height:1.9;margin:0}.insight button{background:none;border:none;color:#40653d;font-size:11px;padding:16px 0 0;width:100%;text-align:left}.insight button span{float:right;font-size:16px}.ranking-top{display:flex;align-items:center;justify-content:space-between;padding:25px 25px 20px;gap:20px}.ranking-top h2 span{color:#7c927c;background:#f0f4ed;padding:3px 7px;border-radius:5px;font-size:10px;margin-left:6px}.ranking-top p{font-size:10px;color:#98a099;margin:8px 0 0}.tabs{display:flex;background:#f3f5f1;padding:4px;border-radius:7px;white-space:nowrap}.tabs button{border:0;background:none;color:#8b978d;padding:7px 13px;border-radius:5px;font-size:11px}.tabs button.selected{background:#fff;color:#346444;box-shadow:0 1px 4px #27372310}.filters{padding:0 25px 19px;display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.segments{display:flex;gap:6px}.segments button{border:1px solid #e3e9e2;border-radius:6px;background:#fff;padding:7px 10px;font-size:10px;color:#7c887e;white-space:nowrap}.segments button.selected{background:#eaf1e9;color:#386a48;border-color:#d5e3d2}.segments span{opacity:.7;margin-left:4px}.filter-right{display:flex;gap:8px;flex-wrap:wrap}input,select{border:1px solid #e4e9e2;border-radius:6px;padding:8px 10px;background:#fff;color:#6d7e70;font-size:10px}input{width:200px}input::placeholder{color:#9ca79d}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;white-space:nowrap}thead{background:#f8faf6;color:#92a08f}th{font-size:10px;font-weight:500;padding:13px 15px}th:first-child,td:first-child{padding-left:26px}td{border-top:1px solid #eef1eb;padding:18px 15px;font-size:11px;color:#84917f}tbody tr{cursor:pointer}tbody tr:hover{background:#f8fbf6}.rank{color:#71816d;font-weight:600;font-size:13px}.rank.top{display:inline-grid;place-items:center;background:#eef3e8;color:#668157;width:25px;height:25px;border-radius:6px}.question-cell{max-width:450px;min-width:260px}.question-title{color:#344634;font-size:12px;font-weight:600;max-width:440px;overflow:hidden;text-overflow:ellipsis}.question-meta{margin-top:8px;font-size:9px;color:#9ba795;display:flex;gap:8px;align-items:center}.tag{padding:2px 6px;border-radius:4px;background:#edf2f6;color:#64839a}.tag.reading{background:#f2eef6;color:#8d7b9e}.frequency{color:#3b623c;font-size:19px;font-weight:700}.frequency small{font-size:9px;font-weight:400;color:#9aa791;margin-left:4px}.split{font-size:11px;color:#859779}.split b{color:#4b7050;font-weight:500}.pagination{border-top:1px solid var(--line);padding:16px 25px;display:flex;justify-content:space-between;color:#9ba694;font-size:10px}.pagination div{display:flex;align-items:center;gap:12px}.pagination button{border:1px solid #e4eadd;border-radius:5px;background:#fff;color:#68815a;width:25px;height:25px}footer{display:flex;justify-content:space-between;color:#a0aa9c;font-size:9px;margin-top:22px}#empty{padding:45px;text-align:center;color:var(--muted)}dialog{border:1px solid #dae5da;border-radius:14px;padding:28px;width:min(680px,92vw);max-height:85vh;overflow:auto;color:#334b3d;box-shadow:0 24px 80px #13291d30}dialog::backdrop{background:#182c2355;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.dialog-head button{border:0;background:#eef3ee;border-radius:30px;font-size:23px;color:#617765;width:30px;height:30px}dialog h3{font-size:19px;line-height:1.6}dialog p{font-size:12px;line-height:1.9;white-space:pre-wrap}dialog .passage{background:#f4f7f1;border-radius:8px;padding:18px}dialog li{font-size:12px;line-height:1.9;margin:8px 0}.occurrences{display:flex;flex-wrap:wrap;gap:8px;margin:15px 0}.occurrence{background:#f0f4ec;border:1px solid #dfe7d9;padding:8px;border-radius:5px;font-size:11px}audio{width:100%;margin:15px 0}.question-image{max-width:100%;max-height:350px}#error{background:#fbece6;color:#9a5038;padding:15px;margin-bottom:15px;border-radius:6px}.transcript{background:#fafaf3;border:1px solid #ecebdb;border-radius:8px;padding:14px 18px;margin:12px 0}.transcript summary{cursor:pointer;font-size:11px;color:#7d8a72;font-weight:600}.transcript p{margin:10px 0 0;color:#5c6b53}.site-hint{background:#f3f0fa;border-radius:6px;padding:10px 14px;font-size:11px;color:#6d5f8c;white-space:normal}
@media(min-width:1500px){.page{padding:45px 55px}.question-cell{max-width:550px}.question-title{max-width:530px}}
@media(max-width:1150px){.sidebar{width:190px;padding:28px 15px}.brand{font-size:18px}main{margin-left:190px}.page{padding:26px}.stats{gap:10px}.stat{padding:18px}.middle{grid-template-columns:1.4fr 1fr}.panel-title{display:block}.panel-title span{display:block;margin-top:8px}h1{font-size:24px}.ranking-top{flex-wrap:wrap}.dist-row{grid-template-columns:80px 1fr 65px;gap:8px}}
@media(max-width:780px){.sidebar{position:static;width:100%;height:65px;padding:14px 20px;flex-direction:row;justify-content:space-between;border-bottom:1px solid var(--line)}.workspace,.side-note,.side-footer{display:none}.sidebar nav{display:flex}.nav{width:auto;margin:0;padding:9px}.nav span{display:none}.brand{font-size:20px}main{margin:0}header{height:58px;padding:0 20px}.page{padding:24px 16px}.header-right{font-size:10px}.title-row{align-items:flex-start;flex-direction:column;gap:17px}h1{font-size:23px}.stats{grid-template-columns:repeat(2,1fr)}.stat strong{font-size:29px}.middle{grid-template-columns:1fr}.insight{padding:20px}.ranking-top,.filters{padding-left:16px;padding-right:16px}.filter-right{width:100%}input{flex:1;min-width:150px}.ranking-top{gap:15px}.ranking-top p{line-height:1.6}footer{line-height:1.7;gap:15px}.panel-title{display:flex}.panel-title span{margin:0;font-size:9px}.dist-row{grid-template-columns:90px 1fr 75px}.breadcrumb{font-size:10px}}

ol[type="A"] li.correct{color:#1c5c3f;font-weight:600}ol[type="A"] li.correct small{font-size:10px;font-weight:500;color:#5d916f;border:1px solid #cfe0d3;background:#f1f7f2;border-radius:5px;padding:1px 6px;margin-left:6px}

/* ── 刷题练习 ───────────────────────────────────────────── */
.badge{display:inline-block;font-size:10px;font-style:normal;background:#246849;color:#fff;border-radius:9px;padding:1px 6px;margin-left:6px;vertical-align:middle}
.setup{max-width:920px}
.setup h1{font-size:30px;margin:6px 0 8px;font-weight:700}
.setup h1 span{color:#5d916f}
.setup .subtitle{color:#6c7873;margin:0 0 26px;line-height:1.8}
.setup-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px;font-size:11px;color:#7b8781;letter-spacing:.4px}
.field select{padding:11px 12px;border:1px solid #e2e9e2;border-radius:8px;background:#fff;color:#26322c;font-size:13px}
.field select:hover{border-color:#bcd0bf}
.setup-foot{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:26px;flex-wrap:wrap}
.hint{font-size:12px;color:#7b8781}
.runner-top{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 12px;flex-wrap:wrap}
.runner-meta{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:11px;background:#eaf2ec;color:#246849;border-radius:20px;padding:5px 12px;font-weight:600}
.pill.ghost{background:#fff;border:1px solid #e7ece7;color:#7b8781;font-weight:500}
.runner-right{display:flex;align-items:center;gap:10px}
.timer{font-variant-numeric:tabular-nums;font-size:13px;color:#6c7873;letter-spacing:.5px}
.progress{height:5px;background:#e9eee9;border-radius:4px;overflow:hidden;margin-bottom:18px}
.progress div{height:100%;background:#3f8461;width:0;transition:width .25s}
.question-card{max-width:930px;padding:30px 32px}
.q-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}
.q-head h2{font-size:19px;line-height:1.55;margin:0;font-weight:600}
.options{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:9px}
.opt{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;background:#fff;border:1px solid #e2e9e2;border-radius:9px;padding:13px 15px;font-size:14px;color:#26322c;line-height:1.5}
.opt:hover{border-color:#a9c4af;background:#fafcfa}
.opt b{font-size:12px;color:#7b8781;border:1px solid #e2e9e2;border-radius:5px;width:20px;height:20px;display:grid;place-items:center;flex:none;margin-top:1px}
.opt.picked{border-color:#3f8461;background:#f1f7f2}
.opt.picked b{background:#246849;color:#fff;border-color:#246849}
.opt.correct{border-color:#3f8461;background:#eff7f0}
.opt.correct b{background:#3f8461;color:#fff;border-color:#3f8461}
.opt.wrong{border-color:#c98a86;background:#fbf1f0}
.opt.wrong b{background:#b2635d;color:#fff;border-color:#b2635d}
.audio-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:4px 0 14px}
.audio-row audio{height:36px}
.question-image{max-width:100%;border-radius:9px;border:1px solid #e7ece7;margin:10px 0 4px}
.feedback{margin-top:18px;border-radius:9px;padding:13px 15px;font-size:13px;line-height:1.7}
.feedback.ok{background:#eff7f0;border:1px solid #cfe0d3;color:#1c5c3f}
.feedback.bad{background:#fbf1f0;border:1px solid #e8cdca;color:#8a4038}
.feedback strong{display:block;font-size:13px;margin-bottom:4px}
.q-actions{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.q-actions #submitAll{margin-left:auto}
.kbd-hint{font-size:11px;color:#9aa29c;margin:18px 0 0}
.button.tiny{padding:6px 11px;font-size:11px;border-radius:6px}
.muted{color:#7b8781}
.tiny{font-size:11px}
.score-card{background:#fff;border:1px solid #e7ece7;border-radius:12px;padding:28px 30px;margin-bottom:18px}
.score-main{display:flex;align-items:center;gap:26px;margin:12px 0 18px;flex-wrap:wrap}
.score-main strong{font-size:52px;line-height:1;color:#246849;font-weight:700;font-variant-numeric:tabular-nums}
.score-main p{margin:0 0 6px;font-size:13px;color:#3d4a44}
.score-actions{display:flex;gap:10px;flex-wrap:wrap}
.review-list{display:flex;flex-direction:column}
.review-row{display:flex;align-items:center;gap:14px;padding:13px 4px;border-bottom:1px solid #f0f3f0}
.review-row:last-child{border-bottom:0}
.review-index{font-size:11px;color:#9aa29c;font-variant-numeric:tabular-nums;width:22px;flex:none}
.review-row.ok .review-index{color:#3f8461}
.review-row.bad .review-index{color:#b2635d}
.review-main{flex:1;min-width:0}
.review-title{font-size:13px;color:#26322c;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.review-meta{display:flex;gap:9px;font-size:11px;color:#8d9a91;margin-top:5px;flex-wrap:wrap;align-items:center}
@media(max-width:780px){.question-card{padding:20px 17px}.q-head h2{font-size:16px}.score-main strong{font-size:38px}.setup h1{font-size:23px}.review-title{white-space:normal}}

.script-label{display:inline-block;font-size:10px;letter-spacing:.6px;color:#7b8781;border:1px solid #e2e9e2;border-radius:5px;padding:2px 7px;margin-bottom:8px}

/* 分档清单 */
.band-toolbar{display:flex;gap:18px;align-items:flex-end;flex-wrap:wrap}
.band-panel{margin-bottom:18px}
.band-panel .panel-title h2 small{margin-left:10px;color:var(--muted);font-weight:400;font-size:12px}
.band-block{margin:18px 0 6px}
.band-head{display:flex;align-items:center;gap:12px;margin:0 0 8px}
.band-head h3{margin:0;font-size:15px;display:flex;align-items:baseline;gap:8px}
.band-head h3 small{font-weight:400;color:var(--muted);font-size:12px}
.band-head .count{color:var(--muted);font-size:12px}
.band-head .button{margin-left:auto}
.band-table{width:100%;border-collapse:collapse;font-size:13px}
.band-table th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;padding:8px 10px;border-bottom:1px solid var(--line)}
.band-table td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.band-table tbody tr{cursor:pointer}
.band-table tbody tr:hover{background:#f3f7f4}
.band-title{font-weight:500;line-height:1.4}
.band-meta{color:var(--muted);font-size:11.5px;margin-top:3px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.band-count b{font-size:17px}
.band-count small{color:var(--muted);margin-left:2px}
.chip{display:inline-block;padding:2px 8px;margin:2px 4px 2px 0;border-radius:999px;background:#eef3ef;color:#2f4a3e;font-size:11px;font-variant-numeric:tabular-nums}
.chip.ghost{background:#f6f8f6;color:var(--muted)}
.band-more{margin-top:10px}
.button.tiny{font-size:12px;padding:4px 10px}
.band-positions{margin-top:14px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.band-papers{max-width:340px}
/* 错题本 */
.wrong-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 18px}
.wrong-stat{background:#f6f8f6;border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.wrong-stat strong{font-size:13px;font-weight:500}
.wrong-stat span{font-size:22px;font-weight:600;color:var(--green);font-variant-numeric:tabular-nums}
.wrong-stat small{color:var(--muted);font-size:11.5px}
.wrong-rows{display:flex;flex-direction:column}
.wrong-row{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.wrong-main{display:flex;gap:14px;align-items:flex-start}
.wrong-no{color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums;padding-top:3px}
.wrong-answers{display:flex;flex-direction:column;gap:6px;font-size:12px;align-items:flex-start}
.wrong-bad{color:#b3261e;background:#fdecea;border-radius:6px;padding:3px 8px}
.wrong-good{color:#1c5c3f;background:#e8f3ec;border-radius:8px;padding:3px 8px}
.wrong-actions-row{display:flex;gap:8px}
.wrong-actions{display:flex;gap:10px;flex-wrap:wrap}
ol[type="A"] li.chosen{background:#fdecea;border-radius:8px;padding-left:6px}
@media(max-width:900px){.wrong-row{grid-template-columns:1fr}.wrong-stats{grid-template-columns:1fr}}

/* 分档表格固定列宽，来源套题在列内换行，避免横向溢出 */
.band-table{table-layout:fixed;width:100%}
.band-table th:nth-child(1),.band-table td:nth-child(1){width:56px}
.band-table th:nth-child(3),.band-table td:nth-child(3){width:92px}
.band-table th:nth-child(4),.band-table td:nth-child(4){width:322px}
.band-title{overflow-wrap:anywhere}
.band-papers{white-space:normal}

/* 语言切换 */
.lang-switch{margin-left:10px;display:inline-flex;align-items:center}
.lang-switch select{appearance:none;border:1px solid rgba(28,92,63,.18);background:#fff;color:#1c3b2c;font:inherit;font-size:12px;padding:5px 22px 5px 9px;border-radius:8px;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%231c3b2c' stroke-width='1.4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 7px center;background-size:9px}
.lang-switch select:focus-visible{outline:2px solid rgba(28,92,63,.35);outline-offset:2px}

/* —— 语言切换与设置面板 —— */
.settings-dialog{border:none;border-radius:18px;padding:26px 28px;max-width:440px;width:calc(100% - 48px);box-shadow:0 30px 80px rgba(16,40,30,.22);color:var(--ink,#14251d);font-family:inherit}
.settings-dialog::backdrop{background:rgba(12,28,22,.42)}
.settings-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
.settings-head h2{margin:0;font-size:20px;letter-spacing:.01em}
.settings-group{border:1px solid #e4e9e2;border-radius:14px;padding:14px 16px 16px;margin:0}
.settings-group legend{padding:0 6px;font-size:12px;color:#6c7d72;letter-spacing:.06em;text-transform:uppercase}
.settings-option{display:flex;align-items:center;gap:10px;padding:8px 2px;cursor:pointer;font-size:15px}
.settings-option input{accent-color:#1c5c3f;width:16px;height:16px}
.settings-hint{margin:10px 0 0;font-size:12.5px;line-height:1.6;color:#7b8a80}

/* 侧栏导航在三语下都不带下划线 */
.sidebar nav a.nav,.sidebar nav a.nav:visited{text-decoration:none}
.sidebar nav a.nav:hover{text-decoration:none}


/* ── 分档折叠 ── */
.band-head{flex-wrap:wrap}
.band-toggle{display:inline-flex;align-items:baseline;gap:8px;background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;cursor:pointer;text-align:left;border-radius:6px}
.band-toggle:hover .band-label{color:var(--green)}
.band-toggle .chev{display:inline-block;font-size:9px;color:var(--muted);transition:transform .15s ease;transform:rotate(0deg)}
.band-toggle[aria-expanded="true"] .chev{transform:rotate(90deg)}
.band-label{font-size:15px;font-weight:700;line-height:1.3}
.band-note{font-weight:400;color:var(--muted);font-size:12px}
.band-body{margin-top:10px}
.band-body[hidden]{display:none!important}

/* ── 一次档再按等级细分 ── */
.band-block.band-group{margin:18px 0 10px;padding:0}
.band-group-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;padding:0 0 8px;border-bottom:1px solid var(--line,#ece4e2)}
.band-group-head .band-label{font-size:15px;font-weight:700}
.band-group-head .count{color:var(--muted);font-size:12px;margin-left:auto}
.band-subs{display:flex;flex-direction:column;gap:4px;margin:10px 0 0 10px;padding-left:12px;border-left:2px solid #e0cdb8}
.band-subs .band-block{margin:8px 0 2px}
.band-subs .band-label{font-size:14px}

/* ── AI 讲解 / 标记 / 划词翻译 ───────────────────────────────── */
.button.active{background:#eaf2ec;border-color:#a9c4af;color:#246849;font-weight:700}

#wrongReview:empty{display:none}
.wr-list{display:flex;flex-direction:column;gap:12px;padding:4px 0 18px}
.wr-card{border:1px solid #ece4e2;background:#fffdfc;border-radius:10px;padding:14px 16px}
.wr-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:11px;color:#7b8781}
.wr-no{font-weight:700;color:#b9a6a2}
.wr-pick{color:#b05a52}
.wr-ans{color:#2f6d4b;font-weight:700}
.wr-head .ai-btn{margin-left:auto}
.ai-btn{border:1px solid #c9d8f0;background:#f4f8ff;color:#3a5c93;border-radius:20px;padding:5px 12px;font-size:11px;white-space:nowrap}
.ai-btn:hover{background:#e8f0ff}
.ai-btn:disabled{opacity:.5}
.wr-prompt{margin:9px 0 6px;font-size:13px;color:#26322c;line-height:1.6}
.wr-opts{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}
.wr-opts li{font-size:12px;color:#5d6b63;padding:5px 9px;border-radius:6px;display:flex;gap:8px;line-height:1.5}
.wr-opts li b{color:#8b978d;width:14px;flex:none}
.wr-opts li.correct{background:#eff7f0;color:#1c5c3f;font-weight:600}
.wr-opts li.picked{background:#fbf1f0;color:#a8504a}
.ai-slot:empty{display:none}

.ai-arrow{margin-top:10px;border:1px solid #b9d4c1;background:#eef7f0;color:#246849;border-radius:20px;padding:6px 13px;font-size:11px;font-weight:700;animation:aiBlink 1.15s ease-in-out infinite}
.ai-arrow.open{animation:none;background:#246849;color:#fff}
.ai-arrow-icon{display:inline-block;font-size:9px;transition:transform .15s}
.ai-arrow.open .ai-arrow-icon{transform:rotate(180deg)}
@keyframes aiBlink{
  0%,100%{box-shadow:0 0 0 0 rgba(63,132,97,.5);opacity:1}
  50%{box-shadow:0 0 0 6px rgba(63,132,97,0);opacity:.7}
}
.ai-reply{margin-top:10px;background:#f7faf7;border:1px solid #e2ebe3;border-radius:9px;padding:12px 14px;font-size:12.5px;line-height:1.85;color:#33443a}
.ai-reply p{margin:0 0 8px}
.ai-reply p:last-child{margin-bottom:0}
.ai-reply strong{color:#1f5b3d}
.ai-reply code{background:#eef3ee;border-radius:4px;padding:1px 5px;font-size:11.5px}
.ai-err{margin-top:8px;color:#a8504a;font-size:11.5px}

body.ai-busy{overflow:hidden}
.ai-lock{position:fixed;inset:0;z-index:9999;background:rgba(12,20,16,.42);backdrop-filter:blur(3px);display:grid;place-items:center;padding:20px}
.ai-lock-card{background:#fff;border-radius:14px;padding:26px 30px;width:min(390px,92vw);text-align:center;box-shadow:0 24px 70px #0b1a1233}
.ai-lock-card p{margin:14px 0 6px;font-size:14px;color:#26322c;font-weight:600;line-height:1.6}
.ai-lock-card small{display:block;color:#8b978d;font-size:11px;margin-bottom:16px;line-height:1.6}
.ai-lock-card.confirm{text-align:left;padding:24px 26px}
.ai-lock-card.confirm p{margin:0 0 8px}
.ai-lock-card.confirm small{margin-bottom:0}
.ai-lock-actions{display:flex;gap:8px;margin-top:16px;justify-content:flex-end}
.ai-spin{width:26px;height:26px;border:2px solid #dfe9e2;border-top-color:#3f8461;border-radius:50%;margin:0 auto;animation:aiSpin .8s linear infinite}
@keyframes aiSpin{to{transform:rotate(360deg)}}

.ai-sel-pill{position:fixed;z-index:9998;background:#246849;color:#fff;border:0;border-radius:16px;padding:6px 12px;font-size:11px;font-weight:700;box-shadow:0 6px 18px #12301f40;cursor:pointer}
.ai-sel-pop{position:fixed;z-index:9998;width:min(330px,92vw);background:#fff;border:1px solid #dbe6dd;border-radius:11px;box-shadow:0 16px 44px #12281c33;overflow:hidden}
.ai-sel-head{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#f4f9f5;border-bottom:1px solid #e6efe7;font-size:10px;letter-spacing:1.2px;color:#6a7f70;text-transform:uppercase}
.ai-sel-head button{border:0;background:none;font-size:17px;color:#8b978d;line-height:1}
.ai-sel-body{padding:11px 13px;font-size:12.5px;line-height:1.75;color:#26322c;max-height:40vh;overflow:auto}
.ai-sel-pop.err .ai-sel-body{color:#a8504a}
.ai-dots{color:#8b978d;letter-spacing:2px}

.marked-rows{display:flex;flex-direction:column}
@media(max-width:780px){
  .wr-head .ai-btn{margin-left:0}
  .ai-lock-card{padding:22px}
}

/* ── 小屏 / 手机横屏：详情弹窗改成全屏可滚动 ─────────────── */
dialog{-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
@media (max-width:760px),(max-height:560px){
  dialog[open]{inset:0;margin:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border:0;border-radius:0;padding:18px 16px 40px}
  .settings-dialog[open]{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;border-radius:0;padding:20px 16px 40px;overflow-y:auto}
  dialog .question-image{max-height:45vh}
}
/* ── 账号设置 ─────────────────────────────────────────── */
.acct-form{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.acct-form input{width:100%;font-size:13px;padding:9px 11px}
.acct-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.acct-line{margin:4px 0 6px;font-size:13px}
.acct-line b{color:#246849}
.acct-msg{min-height:15px;margin:8px 0 0;font-size:11px;color:#a8504a;line-height:1.5}

/* 错题/标记列表里直接显示选项 */
.wrong-opts{margin-top:10px;max-width:780px;gap:3px}
.wrong-opts li{font-size:12.5px;padding:4px 9px}
.wrong-opts li b{width:15px}
.wrong-row{align-items:start}
.wrong-row .wrong-answers,.wrong-row .wrong-actions-row{padding-top:2px}

/* ───────── 写作 Writing ───────── */
.wr-hero{padding:22px 28px 20px}
.wr-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.wr-tab{display:flex;flex-direction:column;gap:2px;padding:10px 18px;border:1px solid #e3dad7;background:#fffdfc;border-radius:12px;cursor:pointer;font:inherit;color:#3d4a43;text-align:left}
.wr-tab small{color:#8b978d;font-size:11px;letter-spacing:.02em}
.wr-tab:hover{border-color:#c9bdb8}
.wr-tab.active{background:#246849;border-color:#246849;color:#fff}
.wr-tab.active small{color:#cfe6da}
.wr-subtabs{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.wr-chip{padding:6px 12px;border-radius:999px;border:1px solid #e3dad7;background:#fffdfc;color:#41504a;font:inherit;font-size:12.5px;cursor:pointer}
.wr-chip.active{background:#eaf3ee;border-color:#bcd8c7;color:#1c5c3f;font-weight:600}
.wr-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);gap:18px;align-items:start}
.wr-ref,.wr-write{padding:18px 22px}
.wr-write{position:sticky;top:14px}
.wr-legend{margin-left:auto;color:#8b978d;font-size:11.5px}
#wordCount.ok{color:#1c5c3f}
.wr-modes{display:flex;gap:0;border:1px solid #e3dad7;border-radius:9px;overflow:hidden}
.wr-mode{border:0;background:#fffdfc;color:#5d6b63;font:inherit;font-size:12px;padding:5px 12px;cursor:pointer}
.wr-mode.active{background:#246849;color:#fff}
.wr-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:2px 0 14px}
.wr-body{max-height:62vh;overflow:auto;padding-right:6px}
.wr-h{font-weight:700;font-size:13px;letter-spacing:.03em;color:#b03a2e;margin:16px 0 6px}
.wr-h:first-child{margin-top:0}
.wr-p{margin:0 0 9px;line-height:1.75;font-size:14px;color:#26312b}
.wr-frame .blank{display:inline-block;height:15px;border-bottom:2px solid #c3b3ab;border-radius:2px;vertical-align:-2px;background:linear-gradient(90deg,#efe7e3,#f8f3f1);margin:0 4px}
mark.hl{background:#ffcfe6;color:#4b1631;padding:1px 3px;border-radius:3px;font-weight:600;box-shadow:inset 0 -2px 0 #ff9fcb}
mark.keep{background:transparent;color:#26312b}
.blank.cloze{width:66px!important;background:#fff7fb;border:1px dashed #c98fae;border-bottom-style:dashed;border-radius:4px}
.wr-vocab{margin-top:16px;border-top:1px dashed #e3dad7;padding-top:12px;display:flex;flex-direction:column;gap:10px}
.wr-vg b{display:block;font-size:12px;color:#1c5c3f;margin-bottom:5px}
.wr-vg div{display:flex;gap:6px;flex-wrap:wrap}
.wr-editor{width:100%;min-height:320px;max-height:56vh;border:1px solid #e3dad7;border-radius:12px;background:#fffefd;padding:14px 16px;font:inherit;font-size:14.5px;line-height:1.8;color:#26312b;resize:vertical;outline:none}
.wr-editor:focus{border-color:#b9d3c3;box-shadow:0 0 0 4px rgba(36,104,73,.07)}
.wr-actions{display:flex;gap:10px;align-items:center;margin-top:12px;flex-wrap:wrap}
.wr-result{margin-top:14px;font-size:13px;color:#33413a}
.wr-err-head{font-weight:700;color:#8d3b32;margin-bottom:8px}
.wr-errs{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:13px;max-height:40vh;overflow:auto}
.wr-errs li{line-height:1.6}
.wr-errs li b{color:#7d2f26;background:#fdf1ef;border-left:3px solid #dd9a90;padding:2px 8px;border-radius:5px;font-weight:600;display:inline-block;margin-bottom:2px}
.wr-errs li p{margin:2px 0 0;color:#5d6b63}
.wr-ok{background:#eef7f1;border:1px solid #cfe6d9;color:#1c5c3f;padding:12px 14px;border-radius:10px}
.wr-warn{background:#fdf1ef;border:1px solid #f0d3ce;color:#8d3b32;padding:12px 14px;border-radius:10px}
.wr-loading{display:flex;gap:9px;align-items:center;color:#5d6b63}
.spin{width:13px;height:13px;border:2px solid #d6e6dd;border-top-color:#246849;border-radius:50%;display:inline-block;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.wr-saved{white-space:pre-wrap;line-height:1.8;font-size:14px;background:#fffdfc;border:1px solid #ece4e2;border-radius:10px;padding:14px 16px}
@media (max-width:900px){.wr-grid{grid-template-columns:1fr}.wr-body{max-height:none}.wr-editor{min-height:38vh}}

.wr-h-red{display:inline-block;background:rgba(255,92,72,.26);color:#8f2a1e;padding:0 6px;border-radius:3px;font-size:14.5px;text-transform:none;margin:13px 0 2px;line-height:1.6}
.wr-wline{height:20px;border-bottom:1px solid #e6dcd7;margin:2px 0 10px 10px}

/* ── 写作：分栏输入 ───────────────────────────────────── */
.wr-ref{max-width:980px;padding:20px 24px}
.wr-body{max-height:none;overflow:visible;padding-right:0;margin-top:6px}
.wr-sec{margin:12px 0 0;padding:12px 14px 10px;border:1px solid #efe7e0;border-radius:14px;background:#fffdf9;transition:border-color .15s,box-shadow .15s,background .15s}
.wr-sec:focus-within{border-color:#dcc4b4;background:#fff;box-shadow:0 8px 24px rgba(120,80,50,.07)}
.wr-sec-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
.wr-sec-hint{font-size:10px;color:#b6a79a;white-space:nowrap}
.wr-in{display:block;width:100%;min-height:46px;border:0;background:transparent;resize:none;outline:none;padding:2px 0;font:inherit;font-size:14.5px;line-height:1.9;color:#26312b;overflow:hidden}
.wr-in::placeholder{color:#c8bab0}
.wr-h-plain{display:inline-block;font-size:12px;letter-spacing:.06em;color:#9c8a7c;background:#f5ece5;padding:2px 9px;border-radius:6px}
.wr-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:18px;padding-top:14px;border-top:1px dashed #ece2d9}
.wr-count{font-size:12px;color:#a2917f}
.wr-count b{font-size:19px;color:#4a6a52;font-weight:700;margin-right:2px}
.wr-count.ok b{color:#246849}
.wr-body.is-full{max-height:62vh;overflow:auto;padding-right:6px}
@media(max-width:780px){.wr-ref{padding:16px}.wr-in{font-size:15px}.wr-foot{gap:10px}.wr-count{order:2}}

/* ── 写作 v0.3：红标题层级 = PDF 一一对照 ─────────────── */
.wr-sec-head{justify-content:flex-start;flex-wrap:wrap;gap:8px}
.wr-sec-head .wr-h{margin:0}
.wr-sec-head .wr-sec-hint{margin-left:auto}
.wr-no{font-size:10.5px;font-weight:700;color:#c3b0a2;font-variant-numeric:tabular-nums;min-width:20px;letter-spacing:.02em}
.wr-sec.lv2{margin-left:20px;border-left:3px solid #f3d9d2}
.wr-sec.lv0{background:#fbf7f2;border-style:dashed}
.wr-samp-btn{border:1px solid #e6d8cd;background:#fffaf4;color:#8a6b52;font:inherit;font-size:11px;padding:3px 9px;border-radius:999px;cursor:pointer;line-height:1.5}
.wr-samp-btn:hover,.wr-samp-btn.open{background:#f6e9dd;border-color:#d9bfa8;color:#6d4f38}
.wr-samp{margin-top:8px;display:flex;flex-direction:column;gap:5px;border-top:1px dashed #ece2d9;padding-top:8px}
.wr-samp-item{text-align:left;border:0;background:#fbf6f0;border-left:3px solid #e8cfc2;padding:7px 10px;border-radius:0 8px 8px 0;font:inherit;font-size:12.5px;line-height:1.65;color:#4a3c33;cursor:pointer}
.wr-samp-item:hover{background:#f6ece2;border-left-color:#d8a78f}
.wr-outline-wrap{display:flex;gap:10px;align-items:flex-start;margin-top:14px;padding-top:12px;border-top:1px dashed #ece2d9}
.wr-olabel{font-size:10px;letter-spacing:.12em;color:#b6a79a;padding-top:6px;white-space:nowrap}
.wr-outline{display:flex;gap:6px;flex-wrap:wrap;min-height:26px}
.wr-ochip{border:1px solid #e9ded4;background:#fffdf9;color:#5c4a3d;font:inherit;font-size:11.5px;padding:4px 9px;border-radius:999px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.wr-ochip i{font-style:normal;font-size:9.5px;color:#bfa593;font-weight:700}
.wr-ochip.lv2{font-size:11px;opacity:.88}
.wr-ochip:hover{background:#f7efe7;border-color:#dcc7b6}
@media(max-width:780px){
  .wr-sec.lv2{margin-left:10px}
  .wr-samp-item{font-size:12px}
  .wr-outline-wrap{flex-direction:column;gap:6px}
  .wr-olabel{padding-top:0}
}

/* 分栏框：边界更清楚一点，每栏左侧一条淡色标记 */
.wr-sec{border:1px solid #e9dcd2;background:#fffdfa;border-left:3px solid #f0c9b8}
.wr-sec.lv0{border-left-color:#e6d7c9}
.wr-sec:focus-within{border-color:#dcc0ad;border-left-color:#e0876b;box-shadow:0 8px 26px rgba(140,90,60,.08)}
.wr-samp[hidden]{display:none}

/* ── 写作 v0.4：一句一格（默写空白） ─────────────────── */
.wr-cells{display:flex;flex-direction:column;gap:0;margin-top:2px}
.wr-cells .wr-in{min-height:36px;border-bottom:1px dashed #ece0d5;border-radius:0;padding:3px 2px 5px}
.wr-cells .wr-in:focus{border-bottom-color:#c8b49c;background:#fffefb;box-shadow:none}
.wr-add{align-self:flex-start;margin-top:8px;border:1px dashed #e2d3c6;background:transparent;color:#a8907c;font:inherit;font-size:11px;padding:3px 10px;border-radius:8px;cursor:pointer;line-height:1.6}
.wr-add:hover{background:#faf2ea;color:#7d6350;border-color:#d0b9a4}
.wr-sec .wr-cells .wr-in::placeholder{color:#cfc0b4;font-style:italic}
@media(max-width:780px){.wr-cells .wr-in{min-height:34px}}
.wr-ochip.lv2{margin-left:14px}
@media(max-width:780px){.wr-ochip.lv2{margin-left:8px}}
/* 手机端：页头吸附，语言选择随时能点 */
@media(max-width:780px){
  .wr-page header{position:sticky;top:0;z-index:60;background:#fcfdfb;box-shadow:0 1px 8px rgba(20,40,30,.07)}
  .wr-page .header-right .lang-switch select{font-size:11px;padding:4px 20px 4px 8px}
}
.wr-hero .eyebrow + .wr-tabs{margin-top:12px}
/* 纯分类标题：只当小标题用，不给书写格——做成醒目的分组条 */
.wr-sec.is-group{margin:22px 0 6px;padding:11px 16px 11px 15px;background:#f8f1e6;border:1px solid #e9dac6;border-left:4px solid #cf9a5a;border-radius:10px;box-shadow:0 1px 0 #fff inset}
.wr-sec.is-group .wr-sec-head{margin:0;gap:0}
.wr-sec.is-group .wr-h-plain{background:none;padding:0;color:#6f5133;font-weight:800;font-size:14px;letter-spacing:.01em;line-height:1.5}
.wr-sec.is-group .wr-h-plain::before{content:"§";color:#cf9a5a;margin-right:8px;font-weight:400}
@media(max-width:780px){.wr-sec.is-group{margin:18px 0 4px;padding:10px 13px 10px 12px}.wr-sec.is-group .wr-h-plain{font-size:13.5px}}


/* ── 中断续做卡片 ───────────────────────────────────────────── */
.resume-card{margin:0 0 18px;padding:16px 18px;border-radius:18px;background:#fdf6ec;border:1px solid #f0d9b8;box-shadow:0 6px 18px rgba(180,140,90,.12)}
.resume-card[hidden]{display:none}
.resume-head{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#b07a3c;font-weight:800}
.resume-line{margin:8px 0 14px;font-size:15px;color:#5a4a38;line-height:1.5}
.resume-when{display:inline-block;margin-left:10px;font-size:12px;color:#a08a72}
.resume-actions{display:flex;gap:10px;flex-wrap:wrap}