:root {
  --primary: #1b4d3e;
  --accent: #8a9a5b;
  --bg: #f7f6f2;
  --text: #1c1c1a;
  --muted: #5c5c56;
  --line: rgba(28, 28, 26, 0.12);
  --card: #fffcf7;
  --shadow: 0 12px 40px rgba(27, 77, 62, 0.08);
  --radius: 14px;
  --wrap: 1120px;
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--primary);
}

h1,
h2,
h3,
.hero-title,
.block-title,
.card-title,
.brand-name,
.foot-name {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.wrap {
  width: min(100% - 2rem, var(--wrap));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - 2rem, 760px);
}

.page-main {
  min-height: 55vh;
}

/* Top bar */
.site-top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 246, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-top.minimal {
  position: relative;
}

.top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand-mark {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.brand-name {
  font-size: 1.2rem;
  color: var(--primary);
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 28ch;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--text);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  display: inline-flex;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-link:hover,
.nav-link.is-active,
.nav-item.is-active > .nav-link {
  color: var(--primary);
  background: rgba(27, 77, 62, 0.08);
}

.nav-item {
  position: relative;
}

.nav-sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 10rem;
  margin: 0.35rem 0 0;
  padding: 0.4rem;
  list-style: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.nav-item.has-sub:hover .nav-sub,
.nav-item.has-sub:focus-within .nav-sub {
  display: block;
}

.nav-sub a {
  display: block;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

.nav-sub a:hover,
.nav-sub a.is-active {
  background: rgba(27, 77, 62, 0.08);
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 42px;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn-solid {
  background: var(--primary);
  color: #f7f6f2;
}

.btn-solid:hover {
  background: #14382e;
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-lg {
  min-height: 48px;
  padding-inline: 1.5rem;
}

/* Hero */
.hero-band {
  position: relative;
  min-height: clamp(360px, 62vh, 620px);
  overflow: hidden;
  background: #102820;
}

.hero-track {
  position: relative;
  min-height: inherit;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(16, 40, 32, 0.78) 10%, rgba(16, 40, 32, 0.28) 70%);
}

.hero-copy {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12%;
  color: #f7f6f2;
  z-index: 2;
}

.hero-title {
  margin: 0 0 0.6rem;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  max-width: 14ch;
}

.hero-sub {
  margin: 0 0 1.2rem;
  max-width: 36ch;
  color: rgba(247, 246, 242, 0.86);
  font-size: 1.05rem;
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.45rem;
  z-index: 3;
}

.hero-dots button {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(247, 246, 242, 0.4);
  cursor: pointer;
}

.hero-dots button.is-active {
  width: 22px;
  background: #f7f6f2;
}

.hero-static {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(circle at top right, rgba(138, 154, 91, 0.18), transparent 40%),
    linear-gradient(180deg, #eef2e8, var(--bg));
  border-bottom: 1px solid var(--line);
}

.hero-static-inner {
  max-width: 720px;
}

.hero-static .hero-title {
  margin: 0.4rem 0 1.25rem;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary);
}

/* Sections */
.block {
  padding: 3.5rem 0;
}

.block + .block {
  padding-top: 0.5rem;
}

.block-head {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "eyebrow more"
    "title more";
  gap: 0.25rem 1rem;
  align-items: end;
  margin-bottom: 1.75rem;
}

.eyebrow {
  grid-area: eyebrow;
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.block-title {
  grid-area: title;
  margin: 0;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  color: var(--primary);
}

.block-more {
  grid-area: more;
  font-size: 0.92rem;
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.block-more:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Cards */
.card-grid {
  display: grid;
  gap: 1.25rem;
}

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

.card-grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.trail-card,
.dest-card,
.journal-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card-media,
.journal-media {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #dfe4d6;
}

.card-media.compact,
.journal-card.compact .journal-media {
  aspect-ratio: 16 / 11;
}

.card-media img,
.journal-media img,
.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.card-media:hover img,
.journal-media:hover img {
  transform: scale(1.04);
}

.card-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(247, 246, 242, 0.92);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 500;
}

.card-body,
.journal-body {
  padding: 1rem 1.05rem 1.2rem;
}

.card-title {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
}

.card-title a:hover {
  color: var(--primary);
}

.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.card-date,
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.meta-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 0.55rem;
}

.meta-chips span {
  display: inline-flex;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: rgba(27, 77, 62, 0.08);
  color: var(--primary);
  font-size: 0.78rem;
}

/* Journal stream */
.journal-stream {
  display: grid;
  gap: 1.25rem;
}

.journal-stream .journal-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.2fr);
}

.journal-stream-lg .journal-card {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  min-height: 240px;
}

.journal-stream .journal-media {
  aspect-ratio: auto;
  min-height: 100%;
}

.journal-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.safety-tile {
  padding: 1.2rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #f1f3ea);
  border: 1px solid var(--line);
}

.safety-tile h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  color: var(--primary);
}

.safety-tile p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.safety-summary {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.safety-summary h2 {
  margin: 0 0 1rem;
  color: var(--primary);
}

.safety-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.safety-list li {
  display: grid;
  gap: 0.2rem;
}

.safety-list strong {
  color: var(--primary);
}

.safety-list span {
  color: var(--muted);
  font-size: 0.95rem;
}

/* Tags */
.tag-cloud,
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tag {
  display: inline-flex;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
}

.tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.link-list a {
  display: block;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
}

.link-list a:hover {
  border-color: var(--primary);
}

/* Page intro / breadcrumb / filter */
.page-intro {
  padding: 2.4rem 0 1.2rem;
}

.page-intro.bare {
  padding: 0 0 1.2rem;
}

.page-intro h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--primary);
}

.lead {
  margin: 0.7rem 0 0;
  color: var(--muted);
  max-width: 48ch;
  font-size: 1.02rem;
}

.crumb {
  padding: 1rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.crumb-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
  align-items: center;
}

.crumb a:hover {
  color: var(--primary);
}

.crumb-sep {
  opacity: 0.5;
}

.filter-bar {
  padding: 0.25rem 0 1rem;
}

.filter-group {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.7rem 0;
  border-top: 1px solid var(--line);
}

.filter-group:last-child {
  border-bottom: 1px solid var(--line);
}

.filter-label {
  padding-top: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.filter-pill {
  display: inline-flex;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.88rem;
}

.filter-pill:hover,
.filter-pill.is-active {
  border-color: var(--primary);
  background: rgba(27, 77, 62, 0.1);
  color: var(--primary);
}

/* Pager */
.pager {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-top: 2rem;
}

.pager a,
.pager span {
  min-width: 40px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--muted);
  font-size: 0.9rem;
}

.pager a:hover,
.pager a.is-active {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(27, 77, 62, 0.08);
}

.pager .is-disabled {
  opacity: 0.45;
}

/* Detail */
.detail-shell {
  padding-bottom: 3rem;
}

.detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  align-items: start;
}

.detail-cover {
  border-radius: calc(var(--radius) + 4px);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #dfe4d6;
}

.detail-cover.wide {
  margin-top: 1.25rem;
  aspect-ratio: 16 / 9;
}

.detail-head h1 {
  margin: 0.35rem 0 0.7rem;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: var(--primary);
}

.journal-head {
  padding-top: 1.5rem;
}

.meta-dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.1rem 0 0;
}

.meta-dl div {
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  background: rgba(27, 77, 62, 0.05);
  border: 1px solid var(--line);
}

.meta-dl dt {
  margin: 0 0 0.2rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.meta-dl dd {
  margin: 0;
  font-weight: 500;
}

.prose-wrap {
  padding-top: 2rem;
}

.prose {
  font-size: 1.02rem;
  color: #2a2a27;
}

.prose p {
  margin: 0 0 1rem;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.album-item {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: #dfe4d6;
}

.album-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.pn-link {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
}

.pn-link span {
  font-size: 0.8rem;
  color: var(--muted);
}

.pn-link.next {
  text-align: right;
  justify-self: end;
}

/* Contact */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.85fr);
  gap: 1.5rem;
  align-items: start;
}

.contact-intro {
  margin-bottom: 1.25rem;
}

.message-form,
.aside-card {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--card);
  box-shadow: var(--shadow);
}

.aside-card + .aside-card {
  margin-top: 1rem;
}

.aside-card h2 {
  margin: 0 0 0.9rem;
  font-size: 1.15rem;
  color: var(--primary);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.field-full {
  grid-column: 1 / -1;
}

.field span {
  color: var(--muted);
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.7rem 0.8rem;
  font: inherit;
  color: var(--text);
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid rgba(27, 77, 62, 0.25);
  border-color: var(--primary);
}

.captcha-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.captcha-controls img {
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.captcha-controls input {
  flex: 1 1 8rem;
  min-width: 8rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: inherit;
}

.form-result {
  min-height: 1.4em;
  margin: 0.85rem 0 0;
  color: var(--primary);
  font-size: 0.92rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-list li {
  display: grid;
  gap: 0.15rem;
}

.contact-list strong {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 500;
}

.msg-list {
  display: grid;
  gap: 0.85rem;
}

.msg-item {
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.msg-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.msg-item strong {
  display: block;
  color: var(--primary);
}

.msg-item time {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.15rem 0 0.35rem;
}

.msg-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Empty / 404 */
.empty-state,
.empty-panel {
  color: var(--muted);
  text-align: center;
  padding: 2.5rem 1rem;
}

.not-found {
  padding: 5rem 0;
}

.not-found-inner {
  text-align: center;
}

.not-found h1 {
  margin: 0.4rem 0;
  color: var(--primary);
}

.not-found-actions {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Footer */
.site-foot {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: #eef1e8;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  padding: 2.5rem 0 1.75rem;
}

.foot-name {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
  color: var(--primary);
}

.foot-blurb {
  margin: 0;
  color: var(--muted);
  max-width: 36ch;
}

.foot-label {
  margin: 0 0 0.7rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.foot-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.foot-nav a {
  color: var(--text);
}

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

.foot-copy {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0 1.2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.foot-copy p {
  margin: 0;
}

/* Responsive */
@media (max-width: 960px) {
  .card-grid-3,
  .card-grid-4,
  .safety-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .detail-hero,
  .contact-layout,
  .foot-grid {
    grid-template-columns: 1fr;
  }

  .journal-stream .journal-card,
  .journal-stream-lg .journal-card {
    grid-template-columns: 1fr;
  }

  .journal-stream .journal-media {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }
}

@media (max-width: 760px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    display: none;
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    background: rgba(247, 246, 242, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1rem 1rem;
  }

  .site-top.is-open .primary-nav {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-sub {
    position: static;
    display: block;
    box-shadow: none;
    border: 0;
    background: transparent;
    padding: 0.2rem 0 0.4rem 0.8rem;
  }

  .brand-tagline {
    display: none;
  }

  .filter-group {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .form-grid,
  .meta-dl,
  .album-grid,
  .prev-next,
  .card-grid-3,
  .card-grid-4,
  .safety-grid {
    grid-template-columns: 1fr;
  }

  .pn-link.next {
    justify-self: stretch;
    text-align: left;
  }

  .block-head {
    grid-template-columns: 1fr;
    grid-template-areas:
      "eyebrow"
      "title"
      "more";
  }

  .block-more {
    justify-self: start;
  }

  .hero-copy {
    bottom: 16%;
  }
}