.portfolio-demo {
  --demo-red: #ef4b2e;
  --demo-ink: #101010;
  --demo-muted: #626262;
  --demo-line: #dedede;
  width: 100%;
  min-width: 0;
  color: var(--demo-ink);
  background: #fff;
  font-family: Inter, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  text-align: left;
  overflow-wrap: anywhere;
}
.portfolio-demo *, .portfolio-demo *::before, .portfolio-demo *::after { box-sizing: border-box; }
.portfolio-demo p, .portfolio-demo h3, .portfolio-demo h4, .portfolio-demo blockquote { margin: 0; }
.portfolio-demo h3 { font-size: 23px; font-weight: 550; letter-spacing: -.035em; line-height: 1.25; }
.portfolio-demo h4 { font-size: 16px; font-weight: 550; line-height: 1.6; }
.portfolio-demo button, .portfolio-demo input, .portfolio-demo select, .portfolio-demo textarea { font: inherit; }
.portfolio-demo button { cursor: pointer; }
.portfolio-demo button:disabled { cursor: default; opacity: .4; }
.portfolio-demo :is(button, input, select, textarea):focus-visible { outline: 2px solid var(--demo-red); outline-offset: 4px; }
.portfolio-demo .demo-intro { display: grid; gap: 10px; max-width: 740px; margin-bottom: 30px; }
.portfolio-demo .demo-intro > p:last-child { color: var(--demo-muted); }
.portfolio-demo .demo-kicker { color: var(--demo-red); font-size: 12px; font-weight: 600; letter-spacing: .06em; line-height: 1.6; }
.portfolio-demo .demo-label { display: block; margin: 0 0 9px; font-size: 13px; font-weight: 550; line-height: 1.5; }
.portfolio-demo .demo-label-spaced { margin-top: 22px; }
.portfolio-demo .demo-meta { color: var(--demo-muted); font-size: 12px; line-height: 1.7; }
.portfolio-demo .demo-input, .portfolio-demo .demo-select, .portfolio-demo .demo-textarea {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid #bfbfbf;
  border-radius: 4px;
  background: #fff;
  color: var(--demo-ink);
  font-size: 14px;
  line-height: 1.6;
  box-shadow: none;
}
.portfolio-demo .demo-select { padding-right: 25px; }
.portfolio-demo .demo-textarea { resize: vertical; }
.portfolio-demo .demo-textarea:disabled { background: #fff; color: #767676; }
.portfolio-demo .demo-textarea::placeholder { color: #767676; opacity: 1; }
.portfolio-demo .demo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  max-width: 100%;
  padding: 10px 18px;
  border: 1px solid var(--demo-red);
  border-radius: 4px;
  background: var(--demo-red);
  color: var(--demo-ink);
  font-size: 13px;
  font-weight: 550;
  line-height: 1.6;
  text-align: center;
  transition: background .18s ease, color .18s ease;
}
.portfolio-demo .demo-button:hover:not(:disabled) { background: #d83c21; border-color: #d83c21; }
.portfolio-demo .demo-button-secondary { border-color: #bfbfbf; background: #fff; color: var(--demo-ink); }
.portfolio-demo .demo-button-secondary:hover:not(:disabled) { background: #fff; border-color: var(--demo-red); color: var(--demo-red); }
.portfolio-demo .demo-text-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 8px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--demo-ink);
  font-size: 13px;
  line-height: 1.5;
}
.portfolio-demo .demo-text-button:hover, .portfolio-demo .demo-text-button.is-active { color: var(--demo-red); }
.portfolio-demo .demo-two-column { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 44px; }
.portfolio-demo .demo-section { min-width: 0; }
.portfolio-demo .demo-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.portfolio-demo .demo-number { color: var(--demo-red); font-size: 24px; font-weight: 450; letter-spacing: -.05em; }
.portfolio-demo .demo-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.portfolio-demo .demo-empty { padding: 24px 0; color: var(--demo-muted); font-size: 14px; }
.portfolio-demo .demo-empty > span { display: block; margin-top: 10px; font-size: 12px; }
.portfolio-demo .demo-status { margin: 18px 0; color: var(--demo-muted); font-size: 13px; }
.portfolio-demo .demo-status.is-error { color: #b32d18; }
.portfolio-demo .demo-yici-results > .demo-meta { margin: 18px 0 8px; }
.portfolio-demo .demo-word-options { display: flex; flex-wrap: wrap; gap: 8px; }
.portfolio-demo .demo-word-option { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 46px; padding: 9px 12px; border: 1px solid var(--demo-line); border-radius: 4px; background: #fff; color: var(--demo-ink); font-size: 13px; line-height: 1.5; }
.portfolio-demo .demo-word-option > span:last-child { color: var(--demo-muted); }
.portfolio-demo .demo-word-option.is-active { border-color: var(--demo-red); color: var(--demo-red); }
.portfolio-demo .demo-word-card { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--demo-line); }
.portfolio-demo .demo-word-heading { display: flex; align-items: baseline; gap: 12px; }
.portfolio-demo .demo-word-heading > h3 { font-size: clamp(28px, 4vw, 40px); }
.portfolio-demo .demo-word-heading > span, .portfolio-demo .demo-pronunciation { color: var(--demo-muted); font-size: 13px; }
.portfolio-demo .demo-pronunciation { margin: 5px 0 16px; }
.portfolio-demo .demo-word-card blockquote { margin: 22px 0; padding-left: 16px; border-left: 2px solid var(--demo-red); font-size: 15px; }
.portfolio-demo .demo-word-card blockquote > span { display: block; margin-top: 7px; color: var(--demo-muted); font-size: 13px; }
.portfolio-demo .demo-vocabulary { margin: 16px 0 0; padding: 0; list-style: none; }
.portfolio-demo .demo-vocabulary > li { border-top: 1px solid var(--demo-line); }
.portfolio-demo .demo-vocabulary .demo-text-button { width: 100%; font-size: 15px; }
.portfolio-demo .demo-vocabulary .demo-text-button > span:last-child { font-size: 13px; }
.portfolio-demo .demo-review-card { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--demo-line); }
.portfolio-demo .demo-review-card > h3 { margin: 9px 0 13px; font-size: 30px; }
.portfolio-demo .demo-review-card > p:not(.demo-meta) { min-height: 50px; font-size: 14px; }
.portfolio-demo .demo-session-options { display: flex; flex-wrap: wrap; gap: 8px 28px; padding-bottom: 18px; border-bottom: 1px solid var(--demo-line); }
.portfolio-demo .demo-check { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; cursor: pointer; }
.portfolio-demo .demo-check > input { width: 18px; height: 18px; margin: 0; accent-color: var(--demo-red); }
.portfolio-demo .demo-filter-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; margin: 22px 0; }
.portfolio-demo .demo-filter-row > label { flex: 1 1 150px; min-width: 0; }
.portfolio-demo .demo-filter-row > .demo-week-label { flex: 1 1 250px; max-width: 400px; }
.portfolio-demo .demo-summary-line { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 15px 0; border-top: 1px solid var(--demo-line); border-bottom: 1px solid var(--demo-line); font-size: 13px; }
.portfolio-demo .demo-summary-line > span { color: var(--demo-muted); }
.portfolio-demo .demo-summary-line > strong { font-weight: 500; }
.portfolio-demo .demo-host-section { padding: 22px 0; border-bottom: 1px solid var(--demo-line); }
.portfolio-demo .demo-topic-counts { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 12px; }
.portfolio-demo .demo-topic-counts > span { display: inline-flex; gap: 14px; color: var(--demo-muted); font-size: 13px; }
.portfolio-demo .demo-topic-counts strong { color: var(--demo-red); font-weight: 550; }
.portfolio-demo .demo-question-list { margin-top: 20px; }
.portfolio-demo .demo-question-list > article { padding: 18px 0; border-top: 1px solid var(--demo-line); }
.portfolio-demo .demo-question-list h4 { margin: 6px 0 10px; }
.portfolio-demo .demo-question-list article > p:last-child { max-width: 760px; color: var(--demo-muted); font-size: 14px; }
.portfolio-demo .demo-answer-label { display: inline-block; margin-right: 12px; color: var(--demo-red); font-size: 12px; }
.portfolio-demo .demo-report-preview { margin-top: 26px; padding: 26px 0; border-top: 2px solid var(--demo-red); }
.portfolio-demo .demo-report-preview > h3 { margin: 10px 0 16px; }
.portfolio-demo .demo-report-preview > p:not(.demo-kicker) { color: var(--demo-muted); font-size: 14px; }
.portfolio-demo .demo-report-preview > ol { padding-left: 22px; margin: 22px 0; }
.portfolio-demo .demo-report-preview li { margin-bottom: 20px; padding-left: 5px; }
.portfolio-demo .demo-report-preview li strong { font-weight: 550; }
.portfolio-demo .demo-report-preview li p { margin-top: 8px; color: var(--demo-muted); font-size: 14px; }
.portfolio-demo .demo-schedule-head, .portfolio-demo .demo-schedule-row { display: grid; grid-template-columns: minmax(130px, 1fr) repeat(2, minmax(0, 1fr)); gap: 20px; align-items: center; }
.portfolio-demo .demo-schedule-head { padding: 13px 0; color: var(--demo-muted); font-size: 12px; border-top: 1px solid var(--demo-line); }
.portfolio-demo .demo-schedule-row { padding: 18px 0; border-top: 1px solid var(--demo-line); }
.portfolio-demo .demo-schedule-row:last-child { border-bottom: 1px solid var(--demo-line); }
.portfolio-demo .demo-schedule-row.has-conflict .demo-select { border-color: var(--demo-red); }
.portfolio-demo .demo-slot-label { display: flex; flex-direction: column; gap: 3px; }
.portfolio-demo .demo-slot-label strong { font-size: 16px; font-weight: 550; }
.portfolio-demo .demo-slot-label > span { color: var(--demo-muted); font-size: 12px; white-space: nowrap; }
.portfolio-demo .demo-mobile-label { display: none; }
.portfolio-demo .demo-schedule + .demo-meta { margin-top: 16px; }
.portfolio-demo .demo-workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 0; margin: 0 0 30px; list-style: none; }
.portfolio-demo .demo-workflow > li { display: flex; flex-wrap: wrap; gap: 6px 12px; padding: 13px 0; border-top: 1px solid var(--demo-line); color: var(--demo-muted); font-size: 13px; }
.portfolio-demo .demo-workflow > li > span { font-size: 11px; }
.portfolio-demo .demo-workflow > li.is-active { border-color: var(--demo-red); color: var(--demo-red); }
.portfolio-demo .demo-workflow > li.is-complete { border-color: var(--demo-ink); color: var(--demo-ink); }
.portfolio-demo .demo-build-button { margin: 20px 0 12px; }
.portfolio-demo .demo-preview-textarea { min-height: 310px; font-size: 13px; line-height: 1.8; }
@media (max-width: 680px) {
  .portfolio-demo { font-size: 14px; }
  .portfolio-demo .demo-two-column { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .portfolio-demo .demo-review { padding-top: 26px; border-top: 1px solid var(--demo-line); }
  .portfolio-demo .demo-intro { margin-bottom: 24px; }
  .portfolio-demo .demo-section-heading h3 { font-size: 21px; }
  .portfolio-demo .demo-filter-row { gap: 12px; }
  .portfolio-demo .demo-filter-row > label { flex-basis: calc(50% - 6px); }
  .portfolio-demo .demo-filter-row > .demo-week-label { flex-basis: 100%; max-width: none; }
  .portfolio-demo .demo-filter-row > [data-action="report"] { width: 100%; }
  .portfolio-demo .demo-schedule-head { display: none; }
  .portfolio-demo .demo-schedule-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
  .portfolio-demo .demo-slot-label { grid-column: 1 / -1; flex-direction: row; align-items: baseline; justify-content: space-between; }
  .portfolio-demo .demo-mobile-label { display: block; margin-bottom: 7px; color: var(--demo-muted); font-size: 12px; }
  .portfolio-demo .demo-workflow { gap: 8px; }
  .portfolio-demo .demo-workflow > li { flex-direction: column; gap: 4px; font-size: 12px; }
}
@media (max-width: 360px) {
  .portfolio-demo .demo-actions { flex-direction: column; }
  .portfolio-demo .demo-actions > .demo-button { width: 100%; }
  .portfolio-demo .demo-section-heading { gap: 10px; }
  .portfolio-demo .demo-section-heading > .demo-text-button { font-size: 12px; }
  .portfolio-demo .demo-filter-row > label { flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .portfolio-demo *, .portfolio-demo *::before, .portfolio-demo *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}