:root {
  color-scheme: light;
  --ink-strong: #202522;
  --ink: #3e4742;
  --ink-soft: #68716c;
  --line: rgba(79, 91, 84, 0.18);
  --line-strong: rgba(63, 79, 70, 0.34);
  --glass: rgba(248, 249, 247, 0.67);
  --glass-strong: rgba(251, 252, 250, 0.82);
  --accent: #526d60;
  --accent-dark: #344d41;
  --accent-soft: rgba(95, 126, 111, 0.13);
  --shadow: 0 28px 70px rgba(46, 54, 49, 0.12), 0 3px 14px rgba(54, 63, 58, 0.06);
  --shadow-soft: 0 15px 42px rgba(48, 57, 52, 0.08);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: #e8ebe8;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.84) 0, rgba(255, 255, 255, 0) 34%),
    radial-gradient(circle at 84% 12%, rgba(191, 205, 196, 0.42) 0, rgba(191, 205, 196, 0) 38%),
    radial-gradient(circle at 72% 84%, rgba(210, 208, 198, 0.45) 0, rgba(210, 208, 198, 0) 40%),
    linear-gradient(145deg, #eef0ee 0%, #e4e8e5 48%, #ecebe7 100%);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
input:focus-visible,
[tabindex="-1"]:focus-visible {
  outline: 3px solid rgba(63, 91, 77, 0.28);
  outline-offset: 3px;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.ambient::before {
  position: absolute;
  inset: 6% 7%;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: 42px;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.26), rgba(228, 233, 229, 0.08));
  filter: blur(1px);
  transform: rotate(-1.5deg);
}

.ambient__light {
  position: absolute;
  display: block;
  border-radius: 999px;
  opacity: 0.64;
  filter: blur(12px);
}

.ambient__light--one {
  top: -12vw;
  left: 18vw;
  width: 42vw;
  height: 31vw;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0));
}

.ambient__light--two {
  top: 27vh;
  right: -16vw;
  width: 44vw;
  height: 44vw;
  background: radial-gradient(circle, rgba(170, 192, 180, 0.48), rgba(170, 192, 180, 0));
}

.ambient__light--three {
  bottom: -20vw;
  left: -8vw;
  width: 54vw;
  height: 45vw;
  background: radial-gradient(circle, rgba(216, 211, 197, 0.58), rgba(216, 211, 197, 0));
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 28px 0 max(52px, env(safe-area-inset-bottom));
}

.page {
  display: grid;
  gap: 24px;
  animation: page-in 360ms ease-out both;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__mark {
  display: grid;
  width: 43px;
  height: 43px;
  place-items: center;
  border: 1px solid rgba(74, 91, 81, 0.2);
  border-radius: 15px;
  color: var(--accent-dark);
  background: rgba(250, 251, 249, 0.58);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.82), 0 9px 24px rgba(55, 65, 59, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  font-family: Georgia, "Songti SC", serif;
  font-size: 21px;
}

.brand__copy {
  display: grid;
  line-height: 1.25;
}

.brand__name {
  color: var(--ink-strong);
  font-size: 16px;
  letter-spacing: 0.08em;
}

.brand__edition {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 12px;
}

.local-pill {
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  background: rgba(249, 250, 248, 0.52);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.72);
  font-size: 12px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.glass-card {
  border: 1px solid rgba(255, 255, 255, 0.68);
  background: var(--glass);
  box-shadow: var(--shadow), inset 0 1px rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(24px) saturate(110%);
  -webkit-backdrop-filter: blur(24px) saturate(110%);
}

.hero-card {
  position: relative;
  overflow: hidden;
  padding: clamp(42px, 7vw, 82px);
  border-radius: var(--radius-xl);
}

.hero-card::after {
  position: absolute;
  top: -30%;
  right: -8%;
  width: 46%;
  height: 150%;
  content: "";
  border-left: 1px solid rgba(255, 255, 255, 0.46);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.3), rgba(214, 223, 217, 0.05));
  transform: rotate(13deg);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 15px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.hero-card__title,
.question-card__title,
.result-heading__title {
  max-width: 760px;
  margin: 0;
  color: var(--ink-strong);
  font-family: Georgia, "Songti SC", "STSong", serif;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.hero-card__title {
  position: relative;
  z-index: 1;
  font-size: clamp(36px, 6vw, 66px);
}

.hero-card__intro {
  position: relative;
  z-index: 1;
  max-width: 670px;
  margin: 26px 0 0;
  color: var(--ink);
  font-size: clamp(16px, 2vw, 19px);
}

.hero-card__actions {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
}

.hero-card__time {
  color: var(--ink-soft);
  font-size: 13px;
}

.primary-button,
.secondary-button,
.text-button,
.custom-toggle {
  min-height: 46px;
  border-radius: 14px;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.primary-button {
  padding: 12px 22px;
  border: 1px solid rgba(49, 71, 60, 0.74);
  color: #f7faf8;
  background: linear-gradient(145deg, #617d6e, #3f5c4e);
  box-shadow: 0 12px 28px rgba(58, 80, 69, 0.19), inset 0 1px rgba(255, 255, 255, 0.2);
  font-weight: 680;
}

.secondary-button {
  padding: 11px 19px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(251, 252, 250, 0.58);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.8), 0 7px 18px rgba(55, 65, 59, 0.06);
}

.text-button,
.custom-toggle {
  padding: 9px 12px;
  border: 1px solid transparent;
  color: var(--accent-dark);
  background: transparent;
}

.primary-button:not(:disabled):hover,
.secondary-button:hover,
.option-card:hover,
.custom-toggle:hover {
  transform: translateY(-1px);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.guide-card {
  min-height: 186px;
  padding: 25px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft), inset 0 1px rgba(255, 255, 255, 0.72);
}

.guide-card__number {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
}

.guide-card__title {
  margin: 20px 0 8px;
  color: var(--ink-strong);
  font-size: 18px;
}

.guide-card__copy {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.question-card {
  width: min(860px, 100%);
  margin: 14px auto 0;
  padding: clamp(24px, 5vw, 48px);
  border-radius: var(--radius-xl);
}

.progress-wrap {
  margin-bottom: 34px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-size: 12px;
}

.progress-labels__current {
  color: var(--accent-dark);
  font-weight: 700;
}

.progress-labels__name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.progress-track {
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(73, 89, 80, 0.1);
}

.progress-value {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #789486, #496757);
  transition: width 220ms ease;
}

.question-card__title {
  font-size: clamp(29px, 5vw, 42px);
}

.question-card__helper {
  margin: 13px 0 27px;
  color: var(--ink-soft);
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}

.option-card {
  display: flex;
  min-height: 88px;
  align-items: flex-start;
  gap: 13px;
  padding: 16px;
  border: 1px solid rgba(76, 91, 83, 0.17);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(252, 252, 250, 0.46);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.78), 0 7px 18px rgba(55, 65, 59, 0.035);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.option-card--selected {
  border-color: rgba(62, 91, 76, 0.52);
  background: linear-gradient(145deg, rgba(230, 238, 233, 0.9), rgba(246, 248, 245, 0.72));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.86), 0 12px 28px rgba(58, 80, 68, 0.09);
}

.option-card__indicator {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid rgba(65, 82, 73, 0.42);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: inset 0 1px 3px rgba(55, 68, 61, 0.08);
}

.option-card--selected .option-card__indicator {
  border: 5px solid var(--accent);
  background: #f8faf8;
}

.option-card__copy {
  display: grid;
  gap: 4px;
}

.option-card__title {
  color: var(--ink-strong);
  font-size: 15px;
  font-weight: 690;
  line-height: 1.45;
}

.option-card__description {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}

.custom-wrap {
  margin-top: 16px;
}

.custom-toggle {
  min-height: 40px;
  padding-inline: 3px;
  text-align: left;
}

.custom-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
  margin-top: 8px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(252, 252, 250, 0.45);
}

.custom-form__label,
.custom-form__message {
  grid-column: 1 / -1;
}

.custom-form__label {
  color: var(--ink-strong);
  font-size: 13px;
  font-weight: 680;
}

.custom-form__input {
  width: 100%;
  min-height: 46px;
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--ink-strong);
  background: rgba(255, 255, 255, 0.72);
}

.custom-form__message,
.question-card__note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
}

.custom-form__message--error {
  color: #8a4b43;
}

.question-card__note {
  margin-top: 17px;
}

.question-footer,
.result-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.result-heading,
.result-card,
.summary-card {
  width: min(860px, 100%);
  margin-inline: auto;
  border-radius: var(--radius-xl);
}

.result-heading {
  padding: clamp(28px, 5vw, 48px);
}

.result-heading__title {
  font-size: clamp(31px, 5vw, 46px);
}

.result-heading__copy {
  max-width: 660px;
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.result-card {
  padding: clamp(24px, 4vw, 42px);
}

.result-paragraph {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.result-paragraph:first-child {
  padding-top: 0;
}

.result-paragraph:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.result-paragraph__text {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.85;
  white-space: pre-line;
}

.summary-card {
  padding: clamp(24px, 4vw, 36px);
}

.summary-card__title {
  margin: 0 0 18px;
  color: var(--ink-strong);
  font-size: 18px;
}

.summary-tags {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.summary-tag {
  display: grid;
  gap: 3px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(252, 252, 250, 0.43);
}

.summary-tag__stage {
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-tag__value {
  color: var(--ink-strong);
  font-size: 14px;
  font-weight: 650;
}

.result-actions {
  width: min(860px, 100%);
  margin-inline: auto;
  padding-top: 0;
  border-top: 0;
}

noscript {
  display: block;
  max-width: 720px;
  margin: 80px auto;
  padding: 22px;
  color: var(--ink);
  text-align: center;
}

.product-nav {
  position: fixed;
  z-index: 20;
  bottom: max(14px, env(safe-area-inset-bottom));
  left: 50%;
  display: grid;
  grid-template-columns: repeat(2, minmax(112px, 1fr));
  gap: 6px;
  width: min(330px, calc(100vw - 32px));
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(244, 246, 243, 0.88);
  box-shadow: 0 16px 40px rgba(53, 61, 56, 0.18);
  transform: translateX(-50%);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.product-nav__button {
  padding: 11px 16px;
  border-radius: 13px;
  background: transparent;
  color: var(--ink-soft);
}

.product-nav__button--active {
  background: var(--ink-strong);
  color: #fff;
}

.page--articles,
.page--article-detail {
  padding-bottom: 100px;
}

.article-heading {
  width: min(860px, 100%);
  margin: 32px auto 24px;
}

.article-heading__title,
.article-detail__title {
  margin: 8px 0 0;
  color: var(--ink-strong);
  font-size: clamp(32px, 5vw, 52px);
}

.article-heading__copy,
.article-detail__excerpt,
.article-empty__copy {
  color: var(--ink-soft);
  line-height: 1.8;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(960px, 100%);
  margin: 0 auto;
}

.article-card {
  overflow: hidden;
  padding: 0;
  color: var(--ink);
  text-align: left;
}

.article-card__image,
.article-card__placeholder {
  display: grid;
  width: 100%;
  aspect-ratio: 16 / 9;
  place-items: center;
  object-fit: cover;
  background: linear-gradient(135deg, #d8ddd9, #eef0ed);
  color: rgba(55, 64, 59, 0.32);
  font-size: 48px;
}

.article-card__body {
  display: grid;
  gap: 10px;
  padding: 22px;
}

.article-card__title {
  color: var(--ink-strong);
  font-size: 21px;
}

.article-card__excerpt {
  display: -webkit-box;
  overflow: hidden;
  color: var(--ink-soft);
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.article-card__more {
  color: var(--ink-strong);
  font-size: 13px;
  font-weight: 700;
}

.article-empty,
.article-detail {
  width: min(860px, 100%);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 52px);
}

.article-empty__title {
  margin: 0;
  color: var(--ink-strong);
}

.article-detail__body {
  margin-top: 36px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.95;
}

.article-detail__body h2,
.article-detail__body h3,
.article-detail__body h4 {
  margin: 2em 0 .7em;
  color: var(--ink-strong);
}

.article-inline-link {
  display: inline;
  padding: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  background: transparent;
  color: var(--ink-strong);
}

@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) {
  .glass-card,
  .brand__mark,
  .local-pill {
    background: #f4f6f3;
  }
}

@keyframes page-in {
  from {
    opacity: 0;
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 22px, 1120px);
    padding-top: 16px;
  }

  .brand__edition,
  .local-pill {
    display: none;
  }

  .hero-card {
    padding: 34px 24px;
  }

  .hero-card::after {
    opacity: 0.45;
  }

  .hero-card__actions,
  .question-footer,
  .result-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .guide-grid,
  .option-grid,
  .summary-tags,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .guide-card {
    min-height: 0;
  }

  .question-card {
    margin-top: 2px;
    padding: 25px 18px;
  }

  .option-card {
    min-height: 82px;
  }

  .custom-form {
    grid-template-columns: 1fr;
  }

  .custom-form__label,
  .custom-form__message {
    grid-column: 1;
  }

  .question-footer .primary-button,
  .question-footer .secondary-button,
  .result-actions .primary-button,
  .result-actions .secondary-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}