:root {
  --bg: #f5efe6;
  --bg-soft: #efe3d2;
  --surface: rgba(255, 252, 247, 0.72);
  --surface-solid: #fffaf3;
  --text: #241a13;
  --muted: #6f6256;
  --line: rgba(50, 36, 24, 0.12);
  --accent: #9f3e24;
  --accent-deep: #6d2714;
  --shadow: 0 22px 80px rgba(36, 26, 19, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(222, 193, 165, 0.35), transparent 32%),
    linear-gradient(180deg, #f8f3eb 0%, #f3ecdf 100%);
}

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

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

main {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 4vw;
  transition: background-color 240ms ease, backdrop-filter 240ms ease, border-color 240ms ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(248, 243, 235, 0.78);
  backdrop-filter: blur(18px);
  border-color: var(--line);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
}

.brand-mark,
.eyebrow,
.meta-line,
.archive-date,
.archive-category,
.slide-count {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--muted);
}

.brand-name,
h1,
h2,
h3 {
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-weight: 600;
  letter-spacing: 0;
}

.brand-name {
  font-family: "Cormorant Garamond", "Noto Sans SC", serif;
  font-size: 1.9rem;
  font-weight: 600;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.site-nav a {
  position: relative;
  padding-bottom: 0.3rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 200ms ease;
}

.site-nav a:hover::after,
.site-nav .is-active::after {
  transform: scaleX(1);
}

.hero,
.detail-cover,
.slides-cover {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  padding: 8rem 4vw 4rem;
  background-image: var(--hero-image, var(--cover-image));
  background-size: cover;
  background-position: center;
}

.hero-overlay,
.detail-cover::before,
.slides-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17, 11, 7, 0.18) 0%, rgba(17, 11, 7, 0.7) 100%);
}

.hero-inner,
.detail-cover-card,
.slides-cover-panel {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: 2rem;
  background: rgba(252, 247, 240, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(14px);
  color: #fff8f0;
}

.hero .eyebrow {
  color: #fffaf4;
  font-weight: 700;
  text-shadow: 0 2px 12px rgba(17, 11, 7, 0.55);
}

.hero h1,
.detail-cover-card h1,
.slides-cover-panel h1,
.page-hero h1 {
  max-width: 900px;
  font-size: clamp(2.35rem, 5vw, 4.4rem);
  line-height: 1.12;
  margin: 0.4rem 0 1rem;
  text-wrap: balance;
}

.hero-copy,
.detail-summary,
.slides-cover-panel p,
.page-hero p {
  max-width: 52rem;
  font-size: 1.05rem;
  line-height: 1.8;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  background: var(--accent);
  color: #fff7f0;
  border-radius: 999px;
  padding: 0.85rem 1.35rem;
  cursor: pointer;
  font: inherit;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  background: var(--accent-deep);
}

.button-ghost {
  background: transparent;
  color: inherit;
  border-color: var(--line);
}

.button-danger {
  background: #8d2d19;
}

.hero-actions,
.contact-actions,
.admin-actions,
.editor-actions {
  display: flex;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.section,
.page-shell,
.detail-sections,
.filter-bar,
.listing-grid,
.about-grid,
.contact-grid {
  padding: 5rem 4vw;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 250, 243, 0.7), rgba(239, 227, 210, 0.7));
}

.section-heading {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  max-width: 920px;
  font-size: clamp(1.8rem, 3.2vw, 3rem);
  line-height: 1.18;
  margin: 0;
  text-wrap: balance;
}

.intro-grid,
.capability-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.card-grid,
.listing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.showcase-card,
.capability-card,
.scenario-card,
.about-card,
.contact-card,
.admin-panel,
.empty-state {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.showcase-card {
  overflow: hidden;
  min-height: 100%;
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.showcase-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 32px 90px rgba(36, 26, 19, 0.12);
}

.card-media {
  height: 18rem;
  background-size: cover;
  background-position: center;
}

.card-body {
  padding: 1.4rem;
}

.card-body h3 {
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.28;
  margin: 0.5rem 0 0.8rem;
  text-wrap: balance;
}

.card-body p {
  color: var(--muted);
  line-height: 1.75;
}

.meta-line {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.chip-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 250, 243, 0.8);
  border-radius: 999px;
  padding: 0.6rem 1rem;
  cursor: pointer;
}

.chip.is-active {
  background: var(--accent);
  color: #fff7f0;
  border-color: var(--accent);
}

.archive-list {
  display: grid;
  gap: 1px;
  background: var(--line);
}

.archive-item {
  display: grid;
  grid-template-columns: 180px 1fr 160px;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  background: rgba(255, 251, 246, 0.95);
  align-items: center;
  transition: background-color 180ms ease, padding-left 180ms ease;
}

.archive-item:hover {
  background: #fff;
  padding-left: 1.8rem;
}

.archive-title {
  font-size: 1.2rem;
}

.capability-cards,
.scenario-grid,
.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.capability-card,
.scenario-card,
.about-card,
.contact-card {
  padding: 1.8rem;
}

.capability-card h3,
.scenario-card h3,
.about-card h2,
.contact-card h2,
.detail-block h2 {
  margin-top: 0;
  font-size: clamp(1.45rem, 2.4vw, 2.2rem);
  line-height: 1.24;
  text-wrap: balance;
}

.scenario-card span {
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
}

.contact-banner {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
  margin: 0 4vw 5rem;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(152, 58, 35, 0.9), rgba(71, 34, 25, 0.92));
  color: #fff7f0;
}

.page-shell {
  max-width: 1200px;
  margin: 0 auto;
}

.page-hero {
  padding: 6rem 0 2rem;
}

.filter-form,
.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.filter-form {
  max-width: 760px;
}

label,
.section-editor-body {
  display: grid;
  gap: 0.45rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.94);
  padding: 0.9rem 1rem;
  font: inherit;
  color: inherit;
}

.detail-shell {
  padding-bottom: 5rem;
}

.detail-meta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  color: var(--muted);
}

.detail-sections {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.detail-block {
  padding: 2rem;
  background: rgba(255, 251, 245, 0.88);
  border: 1px solid var(--line);
}

.detail-align-center {
  text-align: center;
}

.detail-align-center p,
.detail-align-center cite {
  margin-left: auto;
  margin-right: auto;
}

.detail-align-center .split-grid,
.detail-align-center .timeline-list,
.detail-align-center .gallery-grid,
.detail-align-center .code-block pre {
  text-align: left;
}

.detail-align-center .code-label {
  justify-content: center;
}

.detail-size-compact {
  width: fit-content;
  max-width: min(100%, 760px);
  justify-self: center;
}

.detail-size-compact.detail-split,
.detail-size-compact.detail-gallery,
.detail-size-compact.detail-image,
.detail-size-compact.detail-embed,
.detail-size-compact.detail-code {
  width: min(100%, 760px);
}

.detail-size-compact p {
  max-width: 44rem;
}

.split-grid,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  padding: 1.2rem;
  background: var(--surface-solid);
  border: 1px solid var(--line);
}

.metric-card strong {
  display: block;
  font-size: 2.4rem;
  font-family: "Cormorant Garamond", serif;
}

.timeline-list {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

blockquote {
  margin: 0;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: clamp(1.55rem, 3vw, 2.6rem);
  line-height: 1.35;
  text-wrap: balance;
}

cite {
  display: block;
  margin-top: 1rem;
  color: var(--muted);
  font-style: normal;
}

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

.gallery-grid img,
.single-media img,
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.single-media,
.split-media,
.gallery-grid figure {
  margin: 0;
}

.single-media img,
.split-media img {
  max-height: 520px;
}

.split-side {
  display: grid;
  gap: 1rem;
}

figcaption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.media-placeholder {
  display: grid;
  min-height: 220px;
  place-items: center;
  border: 1px dashed rgba(50, 36, 24, 0.22);
  background: rgba(255, 250, 243, 0.62);
  color: var(--muted);
  text-align: center;
}

.code-block pre {
  overflow: auto;
  margin: 1rem 0 0;
  padding: 1.2rem;
  background: #1d1713;
  color: #fffaf4;
  line-height: 1.7;
}

.code-block code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92rem;
}

.code-label {
  display: inline-flex;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.embed-shell iframe {
  width: 100%;
  min-height: 520px;
  border: 0;
}

.slides-shell {
  min-height: 100vh;
  background: #17120f;
  color: #fffaf4;
}

.slides-cover {
  min-height: 42vh;
}

.slides-container {
  position: relative;
  padding: 2rem 4vw 5rem;
}

.slide-panel {
  display: none;
  min-height: 56vh;
  align-items: center;
}

.slide-panel.is-active {
  display: grid;
}

.slide-panel-inner {
  width: min(100%, 1024px);
  margin: 0 auto;
  padding: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 247, 240, 0.05);
}

.slide-panel h2 {
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.14;
  margin: 0.6rem 0 1rem;
  text-wrap: balance;
}

.slides-controls {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
}

.slides-dots {
  display: flex;
  gap: 0.6rem;
}

.slides-dots button {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.25);
  cursor: pointer;
}

.slides-dots .is-active {
  background: var(--accent);
}

.admin-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 3rem 4vw 5rem;
}

.admin-topbar,
.panel-heading,
.editor-section-top,
.admin-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.admin-panel {
  padding: 1.6rem;
  margin-top: 1.5rem;
}

.span-2 {
  grid-column: span 2;
}

.admin-table {
  display: grid;
  gap: 1rem;
}

.admin-row {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}

.admin-row:first-child {
  border-top: 0;
}

.admin-row-meta,
.admin-row-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  align-items: center;
}

.admin-login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.admin-login-card {
  width: min(100%, 480px);
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.editor-panel {
  display: grid;
  gap: 1rem;
}

.editor-section-card,
.section-item-card {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  background: rgba(255, 252, 248, 0.86);
  border: 1px solid var(--line);
}

.items-editor {
  display: grid;
  gap: 1rem;
}

.checkbox-row {
  grid-column: span 2;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.checkbox-row input {
  width: auto;
}

.form-error {
  color: #8d2d19;
}

.form-success {
  color: #2f6b46;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.stats-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stat-card {
  padding: 1.5rem;
  background: var(--surface-solid);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.stat-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.stat-card strong {
  display: block;
  font-family: "Cormorant Garamond", "Noto Sans SC", serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1;
}

.guestbook-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: 1.5rem;
  align-items: start;
}

.guestbook-form,
.guestbook-side {
  display: grid;
  gap: 1rem;
}

.guestbook-form {
  padding: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.guestbook-form h2 {
  margin: 0;
  font-size: 2.2rem;
}

.message-list {
  display: grid;
  gap: 1rem;
}

.message-card {
  padding: 1.25rem;
  background: rgba(255, 251, 246, 0.9);
  border: 1px solid var(--line);
}

.message-card p {
  margin: 0 0 0.8rem;
  line-height: 1.75;
}

.message-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.message-preview .message-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.message-preview {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.message-preview .section-heading {
  margin-bottom: 1.4rem;
}

.status-pill {
  display: inline-flex;
  margin-left: 0.4rem;
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: "Outfit", "Noto Serif SC", sans-serif;
  font-size: 0.78rem;
}

.compact-table {
  margin-top: 1rem;
}

.site-footer {
  padding: 2rem 4vw 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .intro-grid,
  .capability-grid,
  .card-grid,
  .listing-grid,
  .capability-cards,
  .scenario-grid,
  .about-grid,
  .contact-grid,
  .stats-grid,
  .stats-grid.compact,
  .guestbook-layout,
  .message-preview .message-list,
  .split-grid,
  .metric-grid,
  .filter-form,
  .admin-grid {
    grid-template-columns: 1fr;
  }

  .archive-item,
  .timeline-item,
  .contact-banner,
  .admin-topbar,
  .panel-heading,
  .admin-row {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: start;
  }

  .site-header {
    flex-direction: column;
    gap: 1rem;
    align-items: start;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .hero,
  .detail-cover,
  .slides-cover {
    padding-top: 10rem;
  }

  .span-2 {
    grid-column: auto;
  }
}