:root {
  color-scheme: light;
  --app-bg: #f4f4f4;
  --app-card: #ffffff;
  --app-ink: #242424;
  --app-muted: #8b8b8b;
  --app-line: #eeeeee;
  --app-red: #b02a2f;
  --app-red-dark: #641719;
  --app-gold: #c79b45;
  --app-blue: #6f93ce;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--app-bg);
  color: var(--app-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.app-shell {
  min-height: 100vh;
  padding-bottom: 74px;
}

.app-top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #242424;
  color: #fff;
  padding: 16px 18px 14px;
}

.app-titlebar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
}

.app-titlebar strong {
  font-size: 21px;
  font-weight: 500;
  letter-spacing: 0;
}

.app-titlebar .back,
.app-titlebar .search {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: rgba(255,255,255,.86);
}

.app-titlebar .back {
  left: 0;
}

.app-titlebar .search {
  right: 0;
}

.app-content {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 12px 10px 18px;
}

.app-hero {
  margin-bottom: 12px;
  border-radius: 14px;
  min-height: 126px;
  padding: 16px;
  color: #fff8e7;
  background:
    radial-gradient(circle at 82% 24%, rgba(255,255,255,.20), transparent 32%),
    linear-gradient(135deg, var(--app-red-dark), var(--app-red) 58%, var(--app-gold));
  display: grid;
  align-content: center;
  gap: 8px;
}

.app-hero strong {
  font-size: 22px;
  font-weight: 500;
  line-height: 1.18;
}

.app-hero span {
  max-width: 620px;
  font-size: 13px;
  color: rgba(255,248,231,.88);
}

.app-hero-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.app-hero-actions a,
.app-primary,
.app-secondary {
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
}

.app-hero-actions a,
.app-primary {
  background: #fff8e7;
  color: var(--app-red-dark);
}

.app-secondary {
  border: 1px solid rgba(255,248,231,.45);
  color: #fff8e7;
}

.app-panel {
  background: var(--app-card);
  border: 1px solid #f0f0f0;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 12px;
}

.app-panel.flat-bottom {
  border-radius: 12px 12px 0 0;
}

.app-tabs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px 0;
  border-bottom: 1px solid var(--app-line);
}

.app-tabs .head {
  margin-right: auto;
  white-space: nowrap;
  font-size: 17px;
  font-weight: 500;
}

.app-seg {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: #f2f2f2;
  color: #999;
}

.app-seg span,
.app-seg button {
  min-width: 44px;
  border: 0;
  text-align: center;
  padding: 7px 8px;
  border-radius: 999px;
  color: inherit;
  background: transparent;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.app-seg .active {
  color: var(--app-ink);
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.app-list {
  padding: 0 14px;
}

.app-row {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 68px;
  border-bottom: 1px solid var(--app-line);
}

.app-row:last-child {
  border-bottom: 0;
}

.app-icon {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border-radius: 9px;
  border: 1.5px solid var(--app-blue);
  color: var(--app-blue);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 500;
}

.app-icon.red {
  border-color: var(--app-red);
  color: var(--app-red);
}

.app-icon.gold {
  border-color: var(--app-gold);
  color: var(--app-gold);
}

.app-row-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.app-row-arrow {
  margin-left: auto;
  color: #b6b6b6;
  font-size: 24px;
  line-height: 1;
}

.app-row[hidden] {
  display: none;
}

.app-help-note {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.app-help-note strong {
  font-size: 17px;
  font-weight: 500;
}

.app-help-note p {
  margin: 0;
  color: var(--app-muted);
  font-size: 13px;
}

.app-help-note .app-primary {
  justify-self: start;
  border-radius: 8px;
  background: var(--app-red);
  color: #fff;
}

.help-article {
  padding: 18px;
}

.help-article .help-kicker {
  margin: 0 0 4px;
  color: var(--app-red);
  font-size: 13px;
  font-weight: 600;
}

.help-article h1 {
  margin: 0;
  font-size: 25px;
  line-height: 1.3;
  letter-spacing: 0;
}

.help-article .help-lead {
  margin: 10px 0 0;
  color: #666;
  font-size: 14px;
}

.help-section {
  padding: 17px 0;
  border-top: 1px solid var(--app-line);
}

.help-section:first-of-type {
  margin-top: 16px;
}

.help-section h2 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0;
}

.help-section p,
.help-section li {
  color: #555;
  font-size: 14px;
}

.help-section p {
  margin: 0 0 8px;
}

.help-section ul,
.help-section ol {
  margin: 0;
  padding-left: 22px;
}

.help-checklist {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.help-checklist div {
  padding: 11px 12px;
  border-left: 3px solid var(--app-gold);
  background: #fff9ec;
  color: #555;
  font-size: 14px;
}

.help-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.help-related a {
  padding: 11px;
  border: 1px solid var(--app-line);
  border-radius: 8px;
  background: #fafafa;
  font-size: 13px;
}

.app-row-copy strong {
  font-size: 16px;
  font-weight: 400;
}

.app-row-copy span {
  color: var(--app-muted);
  font-size: 12px;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px 8px;
  padding: 14px;
}

.app-tool {
  display: grid;
  justify-items: center;
  gap: 5px;
  text-align: center;
  font-size: 12px;
}

.app-tool .app-icon {
  width: 40px;
  height: 40px;
}

.app-form {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.app-upload {
  min-height: 92px;
  border-radius: 12px;
  border: 1px dashed #d9c49a;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--app-muted);
  background: #fff9ec;
  font-size: 13px;
  cursor: pointer;
}

.app-upload input {
  display: none;
}

.app-field,
.app-form input,
.app-form select,
.app-form textarea {
  width: 100%;
  min-height: 42px;
  border-radius: 10px;
  border: 1px solid var(--app-line);
  background: #fbfbfb;
  color: var(--app-ink);
  padding: 10px;
  font: inherit;
}

.app-form textarea {
  min-height: 96px;
  resize: vertical;
}

.app-submit {
  border: 0;
  border-radius: 10px;
  text-align: center;
  padding: 12px;
  color: #fff;
  background: var(--app-red);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.app-safe-tip {
  margin: 0;
  color: var(--app-muted);
  font-size: 12px;
}

.app-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  justify-content: space-around;
  height: 64px;
  background: #fff;
  border-top: 1px solid var(--app-line);
  color: #9b9b9b;
  font-size: 12px;
}

.app-bottom a {
  flex: 1;
  display: grid;
  place-items: center;
  gap: 2px;
  padding: 7px 0;
}

.app-bottom .active {
  color: #111;
  font-weight: 500;
}

.app-footer {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 8px 14px 24px;
  color: var(--app-muted);
  font-size: 12px;
  text-align: center;
}

.app-footer a {
  color: inherit;
  text-decoration: underline;
}

@media (min-width: 760px) {
  .app-shell {
    padding-bottom: 0;
  }

  .app-bottom {
    position: static;
    width: min(960px, calc(100% - 20px));
    margin: 0 auto 14px;
    border: 1px solid var(--app-line);
    border-radius: 16px;
    overflow: hidden;
  }

  .app-content {
    padding-top: 18px;
  }
}

@media (max-width: 360px) {
  .app-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .app-tabs {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 760px) {
  body.app-legacy-page {
    padding-bottom: 66px;
    background: var(--app-bg);
  }

  body.app-legacy-page > .topbar {
    display: none;
  }

  body.app-legacy-page > main {
    width: min(100%, 680px);
    margin: 0 auto;
  }

  body.app-legacy-page > main > .hero {
    margin: 12px 10px;
    padding: 0;
    overflow: hidden;
    border-radius: 8px;
    color: #fff8e7;
    background: linear-gradient(135deg, var(--app-red-dark), var(--app-red) 62%, var(--app-gold));
  }

  body.app-legacy-page > main > .hero .wrap {
    width: 100%;
    padding: 24px 18px;
  }

  body.app-legacy-page > main > .hero .hero-grid,
  body.app-legacy-page > main > .hero .content-grid {
    display: block;
  }

  body.app-legacy-page > main > .hero .breadcrumb,
  body.app-legacy-page > main > .hero .eyebrow,
  body.app-legacy-page > main > .hero aside {
    display: none;
  }

  body.app-legacy-page > main > .hero .hero-carousel-card {
    display: block;
    margin-top: 18px;
    padding: 10px;
    border-radius: 8px;
    background: #fff;
    color: var(--app-ink);
  }

  body.app-legacy-page > main > .hero .hero-carousel-card .carousel-kicker {
    margin: 0 0 7px;
    color: var(--app-gold);
    font-size: 12px;
  }

  body.app-legacy-page > main > .hero .hero-carousel-card .carousel-frame {
    border-radius: 6px;
  }

  body.app-legacy-page > main > .hero .hero-carousel-card .carousel-item strong {
    color: var(--app-ink);
  }

  body.app-legacy-page > main > .hero .hero-carousel-card .carousel-item p {
    color: var(--app-muted);
  }

  body.app-legacy-page > main > .hero h1 {
    margin: 0;
    color: #fff8e7;
    font-size: 27px;
    line-height: 1.28;
    letter-spacing: 0;
  }

  body.app-legacy-page > main > .hero .lead {
    margin: 10px 0 0;
    color: rgba(255,248,231,.9);
    font-size: 14px;
    line-height: 1.75;
  }

  body.app-legacy-page > main > .hero .hero-actions {
    display: flex;
    gap: 8px;
    margin-top: 15px;
    flex-wrap: wrap;
  }

  body.app-legacy-page > main > .hero .primary-btn,
  body.app-legacy-page > main > .hero .outline-btn {
    border: 0;
    border-radius: 999px;
    padding: 9px 13px;
    color: var(--app-red-dark);
    background: #fff8e7;
    font-size: 13px;
  }

  body.app-legacy-page > main > section:not(.hero) {
    margin: 12px 10px;
    padding: 0;
    border: 1px solid #eeeeee;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
  }

  body.app-legacy-page > main > section:not(.hero) > .wrap {
    width: 100%;
    padding: 14px;
  }

  body.app-legacy-page .section-title {
    margin: 0 0 12px;
  }

  body.app-legacy-page .section-title h2,
  body.app-legacy-page .panel h2 {
    margin-top: 0;
    color: #262626;
    font-size: 19px;
    letter-spacing: 0;
  }

  body.app-legacy-page .section-title p,
  body.app-legacy-page .panel p {
    color: var(--app-muted);
    font-size: 13px;
  }

  body.app-legacy-page .panel,
  body.app-legacy-page .case,
  body.app-legacy-page .fact,
  body.app-legacy-page .cta {
    border-radius: 8px;
    box-shadow: none;
  }

  body.app-legacy-page .case-grid,
  body.app-legacy-page .facts,
  body.app-legacy-page .content-grid {
    grid-template-columns: 1fr;
  }

  body.app-legacy-page .case-filters {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    padding-bottom: 4px;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  body.app-legacy-page .case-filters::-webkit-scrollbar {
    display: none;
  }

  body.app-legacy-page .case-filters button {
    flex: 0 0 auto;
  }

  body.app-legacy-page > footer {
    display: none;
  }
}