:root {
  --ink: #17211e;
  --muted: #62706b;
  --line: #d9e1dd;
  --paper: #fffdfa;
  --canvas: #f3f4f0;
  --green: #28715f;
  --green-dark: #153f35;
  --green-soft: #e7f2ed;
  --red: #bd4e41;
  --red-soft: #fdf0ed;
  --amber: #9b6423;
  --amber-soft: #f7ead6;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--ink); background: var(--canvas); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
button { color: inherit; cursor: pointer; }
[hidden] { display: none !important; }

.student-header { position: sticky; top: 0; z-index: 20; display: flex; height: 72px; align-items: center; justify-content: space-between; padding: 0 max(20px, calc((100vw - 760px) / 2)); background: rgba(255, 253, 250, .94); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.student-brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; }
.brand-symbol { position: relative; display: grid; width: 40px; height: 40px; place-items: center; color: white; background: var(--green); border-radius: 11px; font-family: Georgia, serif; font-size: 24px; }
.brand-symbol i { position: absolute; right: 5px; bottom: 5px; width: 6px; height: 6px; background: #efb564; border: 2px solid var(--green); border-radius: 50%; }
.student-brand > span:last-child { display: flex; flex-direction: column; }
.student-brand strong { font-size: 18px; }
.student-brand small { margin-top: 1px; color: var(--muted); font-size: 11px; }
.service-state { padding: 6px 10px; color: var(--green); background: var(--green-soft); border-radius: 999px; font-size: 11px; font-weight: 700; }
.service-state.is-offline { color: var(--red); background: var(--red-soft); }

.student-main { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 42px 0 60px; }
.student-view { display: none; }
.student-view.is-active { display: block; animation: view-in .22s ease both; }
@keyframes view-in { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
.join-shell { width: min(520px, 100%); margin: 0 auto; }
.join-intro { margin-bottom: 22px; text-align: center; }
.join-intro h1 { margin: 8px 0 10px; font-size: 31px; letter-spacing: -.035em; }
.join-intro p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.join-card { padding: 24px; }
.class-confirmation { display: flex; align-items: center; gap: 14px; padding: 16px; margin-bottom: 18px; background: linear-gradient(135deg, #e8f3ee, #f4f7f1); border: 1px solid #cfe0d8; border-radius: 13px; }
.class-confirmation-icon { display: grid; width: 48px; height: 48px; flex: 0 0 auto; place-items: center; color: white; background: var(--green); border-radius: 13px; font-family: "STKaiti", "KaiTi", serif; font-size: 20px; }
.class-confirmation > div { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.class-confirmation small, .class-confirmation span:last-child { color: var(--muted); font-size: 12px; }
.class-confirmation strong { font-size: 19px; }
.join-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; margin-bottom: 22px; background: #edf1ee; border-radius: 10px; }
.join-tabs button { min-height: 42px; padding: 0 10px; color: var(--muted); background: transparent; border: 0; border-radius: 8px; font-size: 14px; font-weight: 750; }
.join-tabs button.is-active { color: var(--green-dark); background: var(--paper); box-shadow: 0 2px 9px rgba(23, 63, 53, .08); }
.join-mode-copy { display: flex; flex-direction: column; gap: 4px; margin-bottom: 16px; }
.join-mode-copy strong { font-size: 18px; }.join-mode-copy span { color: var(--muted); font-size: 13px; }
.pin-help { margin: -7px 0 18px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.join-card .student-error { margin: 0 0 14px; }
.join-empty { padding: 38px 28px; text-align: center; }
.join-empty > span { display: grid; width: 58px; height: 58px; place-items: center; margin: 0 auto 16px; color: var(--green); background: var(--green-soft); border-radius: 18px; font-size: 30px; }
.join-empty h2 { margin: 0 0 9px; font-size: 22px; }.join-empty p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.welcome-copy { margin-bottom: 24px; text-align: center; }
.step-label { color: var(--green); font-size: 13px; font-weight: 800; }
.welcome-copy h1, .progress-card h1, .result-hero h1 { margin: 8px 0 10px; font-size: 30px; letter-spacing: -.03em; }
.welcome-copy p, .progress-card > p, .result-hero > p { max-width: 600px; margin: 0 auto; color: var(--muted); font-size: 16px; line-height: 1.7; }
.student-flow { display: flex; max-width: 520px; align-items: center; justify-content: center; gap: 10px; margin: 20px auto 0; color: var(--muted); font-size: 14px; font-weight: 650; }
.student-flow span { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.student-flow b { display: grid; width: 25px; height: 25px; place-items: center; color: white; background: var(--green); border-radius: 50%; font-size: 12px; }
.student-flow i { width: 24px; height: 1px; background: #cbd7d2; }

.student-card, .progress-card, .result-hero, .student-question { background: var(--paper); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 8px 30px rgba(24, 52, 44, .05); }
.submit-card { padding: 26px; }
.identity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.student-identity-banner { display: grid; grid-template-columns: 46px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 13px 14px; margin-bottom: 20px; background: var(--green-soft); border: 1px solid #cee1d9; border-radius: 12px; }
.student-avatar { display: grid; width: 44px; height: 44px; place-items: center; color: white; background: var(--green); border-radius: 50%; font-size: 18px; font-weight: 800; }
.student-identity-banner > div { display: flex; min-width: 0; flex-direction: column; gap: 2px; }
.student-identity-banner small { overflow: hidden; color: var(--muted); font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }
.student-identity-banner strong { font-size: 17px; }
.student-identity-banner button { padding: 7px 8px; color: var(--green-dark); background: transparent; border: 0; font-size: 12px; font-weight: 700; }
.student-identity-banner button:hover { text-decoration: underline; }
.student-identity-actions { display: flex !important; flex-direction: row !important; align-items: center; gap: 2px !important; }
.student-identity-actions button + button { border-left: 1px solid #bfd5cc; }
.student-task-panel { padding: 16px; margin-bottom: 16px; background: #f6f8f5; border: 1px solid var(--line); border-radius: 11px; }
.student-task-panel > div { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 12px; }
.student-task-panel p { display: flex; flex-direction: column; gap: 3px; margin: 0; }
.student-task-panel p strong { font-size: 15px; }
.student-task-panel p small { color: var(--muted); font-size: 13px; line-height: 1.5; }
.student-task-panel select { width: 100%; height: 48px; padding: 0 13px; color: var(--ink); background: var(--paper); border: 1px solid #cbd5d0; border-radius: 10px; font-size: 16px; }
.student-task-panel select:focus { outline: 3px solid rgba(40, 113, 95, .15); border-color: var(--green); }
.task-dot { width: 8px; height: 8px; flex: 0 0 auto; background: var(--green); border-radius: 50%; box-shadow: 0 0 0 4px var(--green-soft); }
.student-field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.student-field span { font-size: 14px; font-weight: 700; }
.student-field input, .student-field select { width: 100%; height: 48px; padding: 0 13px; color: var(--ink); background: #fbfcfa; border: 1px solid #cbd5d0; border-radius: 10px; font-size: 16px; }
.student-field input:focus, .student-field select:focus { outline: 3px solid rgba(40, 113, 95, .15); border-color: var(--green); }
.photo-section { padding-top: 5px; }
.section-line { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.section-line > div { display: flex; flex-direction: column; gap: 4px; }
.section-line strong { font-size: 16px; }
.section-line span { color: var(--muted); font-size: 13px; }
.section-line em { color: var(--green); font-size: 13px; font-style: normal; font-weight: 700; }
.photo-actions { display: grid; grid-template-columns: 1.1fr .9fr; gap: 10px; }
.capture-button { display: grid; min-height: 104px; grid-template-columns: 40px 1fr; grid-template-rows: auto auto; align-content: center; align-items: center; gap: 3px 11px; padding: 16px; text-align: left; background: #f9faf8; border: 1px solid var(--line); border-radius: 12px; }
.capture-button:hover { border-color: #aec9bf; background: #f2f8f5; }
.capture-button.primary { color: white; background: var(--green); border-color: var(--green); }
.capture-button.primary:hover { background: var(--green-dark); }
.capture-button > span { grid-row: 1 / 3; display: grid; width: 40px; height: 40px; place-items: center; background: rgba(255,255,255,.16); border-radius: 10px; font-size: 24px; }
.capture-button:not(.primary) > span { color: var(--green); background: var(--green-soft); }
.capture-button strong { font-size: 16px; }
.capture-button small { color: inherit; font-size: 12px; opacity: .75; }
.photo-preview { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; margin-top: 12px; }
.preview-item { position: relative; min-width: 0; aspect-ratio: 1; overflow: hidden; background: #eef1ef; border: 1px solid var(--line); border-radius: 10px; }
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-file { display: grid; height: 100%; place-items: center; color: var(--green); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.preview-order { position: absolute; left: 6px; top: 6px; display: grid; width: 23px; height: 23px; place-items: center; color: white; background: rgba(23,33,30,.82); border-radius: 50%; font-size: 11px; font-weight: 800; }
.preview-remove { position: absolute; right: 5px; top: 5px; display: grid; width: 26px; height: 26px; place-items: center; padding: 0; color: white; background: rgba(189,78,65,.9); border: 0; border-radius: 50%; font-size: 16px; }
.student-error { padding: 10px 12px; margin-top: 12px; color: #9c392f; background: var(--red-soft); border: 1px solid #f0cec8; border-radius: 9px; font-size: 14px; line-height: 1.55; }
.photo-guide { display: grid; grid-template-columns: auto repeat(3, 1fr); align-items: center; gap: 10px; padding: 13px; margin-top: 16px; color: var(--muted); background: #f7f8f5; border-radius: 10px; font-size: 12px; }
.photo-guide strong { color: var(--ink); }
.photo-guide div { display: flex; align-items: center; gap: 6px; }
.photo-guide div span { display: grid; width: 20px; height: 20px; place-items: center; color: var(--green); background: var(--green-soft); border-radius: 50%; font-weight: 800; }
.consent-line { display: flex; align-items: flex-start; gap: 9px; margin: 18px 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.consent-line input { width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--green); }
.student-submit-button { display: flex; width: 100%; min-height: 52px; align-items: center; justify-content: center; gap: 12px; color: white; background: var(--green); border: 0; border-radius: 11px; font-size: 17px; font-weight: 750; }
.student-submit-button:hover:not(:disabled) { background: var(--green-dark); }
.student-submit-button:disabled { cursor: not-allowed; opacity: .4; }
.student-trust { margin: 15px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; text-align: center; }

.progress-card { padding: 56px 36px 38px; text-align: center; }
.student-orbit { position: relative; display: grid; width: 82px; height: 82px; place-items: center; margin: 0 auto 22px; border: 1px solid #cfe2da; border-radius: 50%; }
.student-orbit span { display: grid; width: 52px; height: 52px; place-items: center; color: white; background: var(--green); border-radius: 50%; font-weight: 800; }
.student-orbit i { position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; margin-left: -4px; background: #ebb05a; border-radius: 50%; transform-origin: 4px 45px; animation: orbit 2s linear infinite; }
.student-orbit i:nth-child(3) { animation-delay: -.66s; opacity: .6; }.student-orbit i:nth-child(4) { animation-delay: -1.33s; opacity: .3; }
@keyframes orbit { to { transform: rotate(360deg); } }
.student-progress-track { height: 8px; margin: 30px 0; overflow: hidden; background: #e6ebe8; border-radius: 999px; }
.student-progress-track i { display: block; width: 8%; height: 100%; background: var(--green); border-radius: 999px; transition: width .6s ease; }
.student-progress-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; text-align: left; }
.student-progress-list > div { display: flex; gap: 8px; color: var(--muted); opacity: .45; }
.student-progress-list > div.is-active, .student-progress-list > div.is-done { color: var(--ink); opacity: 1; }
.student-progress-list > div > span { display: grid; width: 24px; height: 24px; flex: 0 0 auto; place-items: center; color: var(--muted); background: #edf0ee; border-radius: 50%; font-size: 11px; font-weight: 800; }
.student-progress-list > div.is-active > span, .student-progress-list > div.is-done > span { color: white; background: var(--green); }
.student-progress-list p { display: flex; flex-direction: column; gap: 3px; margin: 2px 0 0; }
.student-progress-list strong { font-size: 12px; }.student-progress-list small { font-size: 10px; }
.text-button { margin-top: 30px; padding: 8px; color: var(--muted); background: transparent; border: 0; font-size: 13px; }

.result-hero { padding: 30px; margin-bottom: 14px; text-align: center; }
.result-ratio { display: flex; align-items: center; justify-content: center; gap: 22px; margin: 18px 0 8px; }
.result-ratio > div { display: flex; min-width: 74px; flex-direction: column; align-items: center; gap: 4px; }
.result-ratio strong { color: var(--green); font-size: 54px; font-weight: 800; line-height: .95; font-variant-numeric: tabular-nums; }
.result-ratio > div:last-child strong { color: var(--ink); }
.result-ratio span { color: var(--muted); font-size: 13px; font-weight: 700; }
.result-ratio i { color: #a8b3af; font-family: Georgia, serif; font-size: 46px; font-style: normal; font-weight: 300; transform: translateY(-4px); }
.result-revision { margin: 0 0 16px !important; color: var(--red) !important; font-size: 14px !important; font-weight: 650; }
.result-revision strong { font-size: 18px; }
.teacher-review-notice { padding: 10px 12px; margin-top: 16px; color: var(--amber); background: var(--amber-soft); border-radius: 9px; font-size: 13px; }
.student-question-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 14px; }
.student-question { overflow: hidden; }
.student-question-head { display: grid; grid-template-columns: 38px minmax(0,1fr) auto; align-items: center; gap: 11px; padding: 15px 17px; border-bottom: 1px solid var(--line); }
.student-question-number { display: grid; width: 36px; height: 36px; place-items: center; color: white; background: var(--green); border-radius: 50%; font-size: 13px; font-weight: 800; }
.student-question.is-wrong .student-question-number { background: var(--red); }.student-question.is-review .student-question-number { background: var(--amber); }
.student-question-head div { display: flex; flex-direction: column; gap: 3px; }.student-question-head strong { font-size: 16px; }.student-question-head small { color: var(--muted); font-size: 12px; }
.student-question-status { padding: 6px 10px; color: var(--green); background: var(--green-soft); border-radius: 999px; font-size: 13px; font-weight: 800; white-space: nowrap; }
.student-question.is-wrong .student-question-status { color: var(--red); background: var(--red-soft); }.student-question.is-review .student-question-status { color: var(--amber); background: var(--amber-soft); }
.student-question-body { padding: 17px; }
.student-problem-block > span { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; font-weight: 700; }
.student-problem { margin: 0; font-family: "Cambria Math", "STSong", serif; font-size: 18px; font-weight: 650; line-height: 1.8; }
.student-verdict { display: flex; gap: 10px; padding: 12px 13px; margin-top: 14px; color: #40504b; background: #f5f7f5; border-left: 3px solid var(--green); border-radius: 0 8px 8px 0; font-size: 14px; line-height: 1.65; }.student-question.is-wrong .student-verdict { color: #653b36; background: var(--red-soft); border-left-color: var(--red); }
.student-verdict strong { flex: 0 0 auto; color: var(--ink); }
.student-solution { margin-top: 20px; }
.student-section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding-bottom: 9px; border-bottom: 1px solid var(--line); }
.student-section-title strong { font-size: 16px; }.student-section-title span { color: var(--muted); font-size: 12px; }
.student-solution ol { padding: 0; margin: 12px 0 0; list-style: none; }
.student-solution li { display: grid; grid-template-columns: 26px minmax(0,1fr); gap: 9px; align-items: start; padding: 8px 0; }
.student-solution li b { display: grid; width: 24px; height: 24px; place-items: center; color: var(--green); background: var(--green-soft); border-radius: 50%; font-size: 12px; }
.student-solution li p { margin: 0; font-family: "Cambria Math", "STSong", serif; font-size: 16px; line-height: 1.75; white-space: pre-wrap; }
.student-correction { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.student-correction section { padding: 13px 14px; background: var(--red-soft); border-radius: 9px; }
.student-correction section:last-child { background: #f6f4ec; }
.student-correction strong { color: #823b33; font-size: 14px; }.student-correction section:last-child strong { color: #6f552a; }
.student-correction p { margin: 6px 0 0; color: #5e514e; font-size: 14px; line-height: 1.7; }
.practice-toggle { width: 100%; min-height: 46px; margin-top: 16px; color: white; background: var(--green); border: 1px solid var(--green); border-radius: 9px; font-size: 15px; font-weight: 750; }
.practice-toggle:hover { background: var(--green-dark); }
.student-practice { padding: 16px; margin-top: 9px; background: #f5f8f6; border: 1px solid #d6e4de; border-radius: 10px; }
.practice-label { margin-bottom: 8px; color: var(--green); font-size: 12px; font-weight: 800; }.student-practice > strong { display: block; font-family: "Cambria Math", "STSong", serif; font-size: 17px; line-height: 1.75; }
.student-practice details { padding: 10px 0 0; margin-top: 10px; border-top: 1px solid var(--line); }.student-practice summary { color: var(--green); font-size: 14px; font-weight: 700; cursor: pointer; }.student-practice ol { margin: 8px 0 0; padding-left: 22px; }.student-practice li, .student-practice p { color: var(--muted); font-size: 14px; line-height: 1.7; }.student-practice p { margin: 8px 0 0; white-space: pre-wrap; }

.student-page-heading { position: relative; padding: 0 72px 24px; text-align: center; }
.student-page-heading h1 { margin: 8px 0 9px; font-size: 30px; letter-spacing: -.03em; }
.student-page-heading p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }
.student-back-button { position: absolute; left: 0; top: 0; min-height: 40px; padding: 0 12px; color: var(--green-dark); background: var(--paper); border: 1px solid var(--line); border-radius: 9px; font-size: 14px; font-weight: 700; }
.student-back-button:hover { border-color: #aec9bf; background: var(--green-soft); }
.student-history-summary { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 14px; overflow: hidden; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 8px 30px rgba(24, 52, 44, .04); }
.student-history-summary > div { display: flex; min-height: 90px; flex-direction: column; align-items: center; justify-content: center; gap: 4px; border-right: 1px solid var(--line); }
.student-history-summary > div:last-child { border-right: 0; }
.student-history-summary strong { color: var(--green-dark); font-size: 28px; font-variant-numeric: tabular-nums; }
.student-history-summary span { color: var(--muted); font-size: 13px; }
.student-history-list { display: flex; flex-direction: column; gap: 10px; }
.student-history-item { display: grid; width: 100%; min-height: 92px; grid-template-columns: minmax(0, 1fr) auto 22px; align-items: center; gap: 16px; padding: 16px 18px; text-align: left; background: var(--paper); border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 6px 22px rgba(24, 52, 44, .04); }
.student-history-item:hover { border-color: #aec9bf; background: #fafdFA; transform: translateY(-1px); }
.student-history-item > div:first-child { display: flex; min-width: 0; flex-direction: column; gap: 6px; }
.student-history-item h2 { overflow: hidden; margin: 0; font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.student-history-item p { margin: 0; color: var(--muted); font-size: 13px; }
.history-status { display: flex; min-width: 92px; flex-direction: column; align-items: flex-end; gap: 5px; }
.history-status strong { font-size: 20px; font-variant-numeric: tabular-nums; }
.history-status span { padding: 4px 8px; color: var(--green); background: var(--green-soft); border-radius: 999px; font-size: 11px; font-weight: 750; }
.history-status.needs-work strong, .history-status.needs-work span { color: var(--red); }
.history-status.needs-work span { background: var(--red-soft); }
.history-status.done strong { color: var(--green); }
.history-arrow { color: #9ba9a4; font-size: 24px; }
.student-history-empty { padding: 42px 22px; color: var(--muted); background: var(--paper); border: 1px dashed #c7d3ce; border-radius: 13px; font-size: 15px; line-height: 1.7; text-align: center; }
.student-history-empty strong, .student-history-empty span { display: block; }.student-history-empty strong { margin-bottom: 4px; color: var(--ink); font-size: 17px; }

@media (max-width: 620px) {
  .student-header { height: 64px; padding: 0 16px; }.brand-symbol { width: 36px; height: 36px; }.student-brand small { display: none; }.service-state { max-width: 145px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .student-main { width: min(100% - 24px, 760px); padding: 28px 0 40px; }.join-intro { text-align: left; }.join-intro h1 { font-size: 28px; }.join-card { padding: 18px; }.join-empty { padding: 30px 20px; }.welcome-copy { text-align: left; }.welcome-copy h1, .progress-card h1, .result-hero h1 { font-size: 27px; }.welcome-copy p, .progress-card > p, .result-hero > p { font-size: 16px; }
  .student-flow { justify-content: flex-start; gap: 7px; overflow-x: auto; margin-top: 17px; font-size: 13px; }.student-flow i { width: 12px; flex: 0 0 auto; }
  .submit-card { padding: 18px; }.identity-grid { grid-template-columns: 1fr; gap: 0; }.student-identity-banner { grid-template-columns: 42px minmax(0, 1fr) auto; padding: 12px; }.student-avatar { width: 40px; height: 40px; }.student-field span { font-size: 15px; }.photo-actions { grid-template-columns: 1fr; }.capture-button { min-height: 90px; grid-template-columns: 40px 1fr; padding: 14px; }.capture-button > span { width: 40px; height: 40px; font-size: 22px; }.capture-button strong { font-size: 17px; }.capture-button small { font-size: 13px; }
  .student-identity-actions button { padding: 8px 7px; font-size: 12px; }.student-task-panel { padding: 14px; }.student-task-panel p small { font-size: 14px; }
  .photo-preview { grid-template-columns: repeat(3, 1fr); }.photo-guide { grid-template-columns: 1fr; gap: 8px; font-size: 14px; }.photo-guide strong { margin-bottom: 2px; }.consent-line, .student-trust, .student-verdict, .student-cause { font-size: 14px; }.student-submit-button { min-height: 56px; font-size: 17px; }
  .progress-card { padding: 40px 18px 28px; }.student-progress-list { grid-template-columns: repeat(2,1fr); gap: 16px 8px; }.result-hero { padding: 24px 17px; }.result-ratio { gap: 16px; }.result-ratio strong { font-size: 48px; }
  .student-question-head { grid-template-columns: 34px minmax(0,1fr); padding: 13px; }.student-question-status { grid-column: 2; justify-self: start; }.student-question-body { padding: 15px; }.student-problem { font-size: 17px; }.student-verdict { flex-direction: column; gap: 4px; }.student-correction { grid-template-columns: 1fr; }.student-solution li p { font-size: 16px; }
  .student-page-heading { padding: 52px 0 20px; text-align: left; }.student-page-heading h1 { font-size: 27px; }.student-page-heading p { font-size: 15px; }.student-back-button { top: 0; }
  .student-history-summary > div { min-height: 82px; }.student-history-summary strong { font-size: 24px; }.student-history-summary span { font-size: 12px; }
  .student-history-item { min-height: 100px; grid-template-columns: minmax(0, 1fr) auto 14px; gap: 10px; padding: 14px; }.student-history-item h2 { font-size: 16px; }.history-status { min-width: 76px; }.history-status strong { font-size: 18px; }.history-arrow { font-size: 20px; }
}