:root{--bg:#efe6d4;--ink:#241c14;--muted:#6d5e4c;--card:#fffaf2;--line:#e3d4b8;--teal:#0e6b62;--teal-dark:#0a524b;--red:#a32626;--red-bg:#fde8e2;--green:#1e6b34;--green-bg:#e5f4e4;--warn:#8a5a12;--warn-bg:#fff1d6;--shadow:0 10px 30px rgba(60,40,10,0.06)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Source Han Sans SC,sans-serif;font-size:17px;line-height:1.5}a{color:var(--teal-dark);overflow-wrap:anywhere}body{min-height:100vh}.home-bar,.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;background:var(--teal);color:#f7f1e4}.home-bar a,.topbar a{color:inherit;text-decoration:none;font-weight:700}.wrap{width:min(880px,calc(100% - 28px));margin:0 auto;padding:22px 0 64px}h1,h2{line-height:1.25;margin:0 0 12px}h1{font-size:1.7rem}h2{font-size:1.2rem}.card{background:var(--card);border:1px solid 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th:first-child{border-top-left-radius:11px}.grade-surface table.board th:last-child{border-top-right-radius:11px}.grade-surface table.board tr:last-child td{border-bottom:0}.grade-surface table.board tr:last-child td:first-child{border-bottom-left-radius:11px}.grade-surface table.board tr:last-child td:last-child{border-bottom-right-radius:11px}.grade-surface table.board .num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}.grade-surface table.board tbody tr:hover td{background:#faf6f0}.grade-surface table.board tr.group-start td{border-top:2px solid #d5cec3}.grade-surface table.board tr.is-listen td:first-child{box-shadow:inset 3px 0 0 #9a3412}.grade-surface table.board tr.is-pass td:first-child{box-shadow:inset 3px 0 0 #166534}.grade-surface .board-action{white-space:nowrap}.grade-surface .board-action .btn{min-height:36px;padding:6px 12px}.grade-surface .pill{background:#f3eee6;color:#1c1915;font-weight:650}.grade-surface 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.score-line{margin:8px 0 0;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-size:.95rem}.grade-surface label.row{flex-direction:row;align-items:center;font-weight:600}.grade-surface label.row input[type=checkbox]{width:auto;flex:none}.grade-surface .review-dock{display:flex;flex-direction:column;gap:12px;border-radius:12px;padding:14px}.grade-surface .ok{background:#e7f2ea;color:#166534}.grade-surface .warn{background:#f8efe0;color:#92400e}.grade-surface .error{color:#9a3412}.grade-surface video{border-radius:8px}@media (max-width:640px){.stats{grid-template-columns:1fr}table,tbody,td,th,thead,tr{display:block}thead{display:none}tr{border-bottom:1px solid var(--line);padding:8px 0}td{border:0;padding:3px 0}td:empty{display:none}td[data-label]:before{content:attr(data-label);display:block;color:var(--muted);font-size:.78rem}.grade-surface .stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.grade-surface .stat{padding:8px 10px}.grade-surface .stat .muted{font-size:.78rem}.grade-surface .stat b{font-size:1.35rem}.grade-surface table.board,.grade-surface table.board tbody{display:block;width:100%;background:transparent;border:0}.grade-surface table.board thead{display:none}.grade-surface table.board tr{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-column-gap:8px;column-gap:8px;grid-row-gap:2px;row-gap:2px;align-items:center;background:#fffcf7;border:1px solid #e6e0d6;border-radius:12px;margin:0 0 8px;padding:10px 12px 10px 16px}.grade-surface table.board tr.is-listen{box-shadow:inset 3px 0 0 #9a3412}.grade-surface table.board tr.is-pass{box-shadow:inset 3px 0 0 #166534}.grade-surface table.board tr.is-listen td:first-child,.grade-surface table.board tr.is-pass td:first-child{box-shadow:none}.grade-surface table.board td{display:block;width:auto;min-width:0;border:0;padding:0;box-shadow:none;background:transparent}.grade-surface table.board td[data-label="学生"]{grid-column:1/3;grid-row:1;font-size:1.05rem;font-weight:700}.grade-surface table.board td[data-label="学生"]:before,.grade-surface table.board td[data-label="建议"]:before{content:none}.grade-surface table.board td[data-label="建议"]{grid-column:3;grid-row:1;justify-self:end}.grade-surface table.board td[data-label="节奏"]{grid-column:1/-1}.grade-surface table.board td.num,.grade-surface table.board td[data-label="节奏"]{text-align:left;white-space:normal}.grade-surface table.board td.num:before,.grade-surface table.board td[data-label="节奏"]:before{display:block;margin-bottom:1px;font-size:.72rem;font-weight:600;line-height:1.2}.grade-surface table.board td.num{font-weight:700;font-size:1.05rem}.grade-surface table.board td.board-action{grid-column:1/-1;padding-top:6px}.grade-surface table.board td.board-action:not(:has(.btn)){display:none}.grade-surface table.board .board-action .btn{width:100%;min-height:44px}.grade-surface table.board .pill{white-space:nowrap;font-size:.78rem}.grade-surface table.board tbody tr:hover td{background:transparent}.grade-surface table.board tr.group-start td{border-top:0}.grade-surface .card{padding:12px}.grade-surface .sentence-head{align-items:center}.grade-surface .sentence-head h2{margin:0;font-size:1.05rem}.grade-surface .sentence-en{font-size:max(18px,1.2rem);line-height:1.55}.grade-surface video{width:100%;max-height:52vh;object-fit:contain}.grade-surface audio{width:100%}.grade-surface .score-line{font-size:.92rem;line-height:1.45}.grade-surface .review-dock .row{display:flex;flex-direction:column;align-items:stretch}.grade-surface .review-dock .btn{width:100%}}