/* Header C01 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(253, 252, 250, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-primary);
}

.site-logo:hover {
  color: var(--color-text-primary);
}

.site-logo__img {
  display: block;
  height: 40px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-logo__mark {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-jun-gold);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-jun-purple);
  background: linear-gradient(135deg, rgba(91, 124, 141, 0.12), rgba(61, 43, 79, 0.12));
  flex-shrink: 0;
}

.site-logo__text {
  font-family: var(--font-serif);
  font-size: var(--text-body-lg);
  letter-spacing: var(--tracking-heading);
  font-weight: 500;
  white-space: nowrap;
}

.site-nav {
  display: none;
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
    gap: var(--space-6);
  }
}

.site-nav a {
  position: relative;
  font-size: var(--text-body-sm);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  padding-block: 4px;
}

.site-nav a:hover {
  color: var(--color-text-primary);
}

.site-nav a.is-active {
  color: var(--color-jun-purple);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  height: 1.5px;
  background: var(--color-text-primary);
  transition: transform var(--duration-normal) var(--ease-out);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-bg-page);
  padding: var(--space-6);
  z-index: 99;
}

.mobile-nav a {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-body-lg);
  font-family: var(--font-serif);
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav a.is-active {
  color: var(--color-jun-purple);
}

/* Footer C02 */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-inverse-muted);
  padding-block: var(--space-10);
}

.site-footer a {
  color: var(--color-text-inverse-muted);
}

.site-footer a:hover {
  color: var(--color-jun-gold);
}

.footer-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    align-items: start;
  }
}

.footer-brand__name {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}

.footer-brand__desc {
  font-size: var(--text-body-sm);
  line-height: var(--leading-relaxed);
  max-width: 20em;
}

.footer-contact__item {
  margin-bottom: var(--space-4);
  font-size: var(--text-body-sm);
  font-family: var(--font-sans);
  color: var(--color-text-inverse-muted);
  line-height: 1.7;
}

.footer-contact__label {
  display: block;
  font-family: var(--font-sans);
  color: var(--color-jun-gold);
  font-size: var(--text-caption);
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.footer-contact__value,
.footer-contact__item a {
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  font-weight: 400;
  color: var(--color-text-inverse);
}

/* 电话：西文无体数字，避免中文字体数字发挤、发飘 */
.footer-phone {
  display: inline-block;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.08em;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1, "tnum" 1;
  color: var(--color-text-inverse);
  text-decoration: none;
}

.footer-phone:hover {
  color: var(--color-jun-gold);
}

.footer-qr {
  text-align: center;
}

@media (min-width: 768px) {
  .footer-qr {
    text-align: right;
  }
}

.footer-qr__box {
  width: 120px;
  height: 120px;
  margin-inline: auto;
  border: 1px solid rgba(184, 149, 107, 0.35);
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(247, 244, 239, 0.06);
  color: var(--color-text-inverse-muted);
  font-size: var(--text-caption);
}

@media (min-width: 768px) {
  .footer-qr__box {
    margin-left: auto;
    margin-right: 0;
  }
}

.footer-qr__caption {
  margin-top: var(--space-3);
  font-size: var(--text-caption);
  font-family: var(--font-sans);
}

.footer-bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(247, 244, 239, 0.08);
  font-size: var(--text-caption);
  font-family: var(--font-sans);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1.8;
  color: rgba(196, 186, 176, 0.85);
  text-align: center;
}

/* Work Card C34 */
.work-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 576px) {
  .work-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .work-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
  }
}

.work-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  transition: transform 400ms var(--ease-out), box-shadow 400ms var(--ease-out);
}

.work-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.work-card__link {
  display: block;
  color: inherit;
}

.work-card__link:hover {
  color: inherit;
}

.work-card__media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--color-border);
}

.work-card__media-inner {
  width: 100%;
  height: 100%;
  transition: transform 600ms var(--ease-out);
}

.work-card__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.work-card:hover .work-card__media-inner {
  transform: scale(1.03);
}

.work-card__body {
  padding: var(--space-5);
}

.work-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  font-weight: 500;
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--space-2);
}

.work-card__artist {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
}

/* Filters C31 C32 */
.filter-section {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-strong);
  margin-bottom: var(--space-6);
}

.purpose-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .purpose-tabs {
    gap: var(--space-6);
  }
}

.purpose-tab {
  position: relative;
  display: inline-block;
  padding: var(--space-2) 0;
  font-size: 0.9375rem;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

.purpose-tab:hover {
  color: var(--color-text-primary);
}

.purpose-tab.is-active {
  color: var(--color-jun-purple);
}

.purpose-tab.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--color-jun-purple);
}

.meaning-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.meaning-filter__label {
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
  margin-right: var(--space-2);
}

.meaning-pill {
  display: inline-block;
  padding: 6px 16px;
  font-size: var(--text-body-sm);
  letter-spacing: var(--tracking-body);
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out);
}

.meaning-pill:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text-primary);
}

.meaning-pill.is-active {
  color: var(--color-jun-purple);
  background: var(--color-jun-purple-muted);
  border-color: var(--color-jun-purple);
}

.filter-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  font-size: var(--text-body-sm);
  color: var(--color-text-muted);
}

.empty-state {
  display: none;
  text-align: center;
  padding: var(--space-12) var(--space-5);
}

.empty-state.is-visible {
  display: block;
}

.empty-state__title {
  font-family: var(--font-serif);
  font-size: var(--text-h3);
  margin-bottom: var(--space-3);
}

.empty-state__desc {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}