:root {
  --bg: #f6f4ee;
  --surface: #ffffff;
  --ink: #1f2328;
  --muted: #6f7781;
  --accent: #0d7883;
  --accent-deep: #095861;
  --warm: #c9832f;
  --line: #d8ddd6;
  --soft: #edf1ef;
  --footer: #101419;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Noto Serif SC", "Songti SC", serif;
  letter-spacing: 0.01em;
  color: #14181c;
}

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

.site-header {
  background: rgba(246, 244, 238, 0.95);
  border-bottom: 1px solid rgba(31, 35, 40, 0.08);
  backdrop-filter: blur(8px);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(17, 23, 31, 0.08);
  background: rgba(246, 244, 238, 0.98);
}

.navbar-brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-text {
  font-size: 1.02rem;
}

.logo-mark {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  transform: rotate(45deg);
  background: linear-gradient(135deg, var(--accent) 0%, var(--warm) 100%);
  display: inline-block;
}

.nav-link {
  color: #2a2f35;
  font-weight: 500;
  padding-left: 0.8rem !important;
  padding-right: 0.8rem !important;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  color: var(--accent);
}

.dropdown-menu {
  border-radius: 0.6rem;
  border: 1px solid var(--line);
  box-shadow: 0 16px 34px rgba(12, 20, 29, 0.12);
}

.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-accent:hover,
.btn-accent:focus {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

.section-block {
  padding: 88px 0;
}

.section-kicker {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}

.section-head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.section-title {
  margin: 0.35rem 0 0;
  font-size: clamp(1.52rem, 2.3vw, 2.05rem);
  line-height: 1.3;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 1.08;
}

.hero-title .accent {
  color: var(--accent);
}

.hero-sub {
  margin-top: 1.5rem;
  max-width: 38rem;
  color: #3a4048;
}

.hero-metrics {
  border-left: 1px solid var(--line);
  padding-left: 2rem;
}

.metric-item {
  border-bottom: 1px solid var(--line);
  padding: 0 0 1.2rem;
  margin-bottom: 1.2rem;
}

.metric-item h3 {
  margin: 0;
  font-size: 2.2rem;
  color: var(--accent-deep);
  line-height: 1;
}

.metric-item h3 span {
  font-size: 1rem;
  margin-left: 0.2rem;
  color: var(--ink);
}

.metric-item p {
  margin: 0.5rem 0 0;
  font-size: 0.92rem;
  color: var(--muted);
}

.feature-stage {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #111;
}

.feature-image {
  height: 430px;
  object-fit: cover;
  opacity: 0.9;
}

.feature-overlay {
  position: absolute;
  inset: auto auto 0 0;
  width: min(600px, 100%);
  padding: 2rem;
  color: #fff;
  background: linear-gradient(120deg, rgba(8, 15, 20, 0.88) 0%, rgba(8, 15, 20, 0.38) 70%, rgba(8, 15, 20, 0) 100%);
}

.feature-overlay .eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
}

.feature-overlay h3 {
  color: #fff;
  margin-bottom: 0.7rem;
  font-size: clamp(1.2rem, 2vw, 2rem);
}

.feature-overlay p {
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.88);
}

.feature-controls {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  gap: 0.5rem;
}

.poster-filter .btn {
  border: 1px solid var(--line);
  color: #2d333b;
  background: var(--surface);
}

.poster-filter .btn.active {
  border-color: var(--accent);
  color: var(--accent);
}

.poster-card {
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.poster-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 26px rgba(15, 21, 27, 0.12);
}

.poster-thumb {
  aspect-ratio: 2 / 3;
  overflow: hidden;
}

.poster-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.poster-body {
  padding: 0.95rem 0.9rem 1rem;
}

.poster-body h3 {
  font-size: 1.06rem;
  margin: 0 0 0.25rem;
}

.poster-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.poster-foot {
  margin-top: 0.7rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.84rem;
}

.poster-foot span {
  color: #7c848d;
}

.poster-foot a {
  color: var(--accent);
  font-weight: 600;
}

.editorial-panel,
.editorial-image-wrap,
.review-card,
.insight-card,
.event-card,
.subscription-box {
  background: var(--surface);
  border: 1px solid var(--line);
}

.editorial-panel {
  border-top: 3px solid var(--accent);
}

.editorial-image-wrap {
  overflow: hidden;
}

.editorial-image {
  width: 100%;
  height: 100%;
  min-height: 270px;
  object-fit: cover;
}

.story-points {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.story-points li {
  margin-bottom: 0.3rem;
  color: #3a4149;
}

.story-link {
  display: inline-block;
  margin-top: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}

.mini-label {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.rankings-wrap {
  background: var(--soft);
}

.rank-list li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 0.75rem;
  margin-bottom: 0.8rem;
}

.rank-index {
  min-width: 2.1rem;
  font-weight: 700;
  color: var(--warm);
  font-family: "Noto Serif SC", serif;
}

.rank-thumb {
  width: 50px;
  height: 70px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.rank-info h3 {
  margin: 0;
  font-size: 1rem;
}

.rank-info p {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.rank-score {
  margin-left: auto;
  color: var(--accent-deep);
  font-size: 1.05rem;
}

.review-card {
  padding: 1.35rem;
  border-left: 4px solid var(--accent);
}

.review-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.16);
}

.review-card h3 {
  font-size: 1.28rem;
  margin-bottom: 0.65rem;
}

.insight-card {
  overflow: hidden;
}

.insight-img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.insight-body {
  padding: 1rem;
}

.insight-date {
  margin: 0 0 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.insight-body h3 {
  font-size: 1.06rem;
  margin-bottom: 0.5rem;
}

.insight-body p {
  margin: 0;
  color: #444c55;
  font-size: 0.92rem;
}

.events-grid .event-card {
  padding: 1.2rem;
  border-top: 3px solid var(--warm);
}

.event-no {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.event-card h3 {
  font-size: 1.08rem;
  margin-bottom: 0.4rem;
}

.event-card p {
  margin: 0;
  color: #444c55;
  font-size: 0.92rem;
}

.subscription-box {
  padding: 1.45rem;
}

.notice-toggle {
  color: var(--accent);
  font-weight: 600;
}

.notice-toggle:hover,
.notice-toggle:focus {
  color: var(--accent-deep);
}

.notice-text {
  background: #f4f8f8;
  border: 1px solid #d6e7e8;
  padding: 0.8rem;
  color: #36414b;
  font-size: 0.9rem;
}

.form-control,
.form-select {
  border-radius: 0;
  border-color: #cfd6d2;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.form-control:focus,
.form-select:focus {
  border-color: #8bbec3;
  box-shadow: 0 0 0 0.2rem rgba(13, 120, 131, 0.12);
}

.custom-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface);
}

.custom-accordion .accordion-button {
  font-weight: 600;
  background: #fff;
  color: #1e2328;
}

.custom-accordion .accordion-button:not(.collapsed) {
  color: var(--accent-deep);
  background: #eff7f8;
  box-shadow: none;
}

.custom-accordion .accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.friend-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.friend-links a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: #2f3740;
  font-weight: 500;
  transition: all 0.2s ease;
}

.friend-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.site-footer {
  background: var(--footer);
  color: #cfd6df;
  padding: 52px 0 24px;
}

.site-footer h4 {
  color: #f2f6fb;
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.site-footer p,
.site-footer li {
  color: #c3cbd4;
  font-size: 0.92rem;
}

.site-footer a {
  color: #dce8f2;
}

.site-footer a:hover {
  color: #8ed9df;
}

.footer-brand {
  color: #fff;
}

.footer-brand .logo-mark {
  filter: saturate(0.95) brightness(1.05);
}

.footer-contact li {
  margin-bottom: 0.35rem;
}

.footer-bottom {
  margin-top: 26px;
  border-top: 1px solid rgba(230, 238, 247, 0.16);
  padding-top: 14px;
  font-size: 0.9rem;
}

.back-top {
  color: #90d8de;
}

.modal-content {
  border-radius: 0.55rem;
  border: 1px solid var(--line);
}

.modal-header {
  border-bottom-color: var(--line);
}

.modal-title {
  font-family: "Noto Serif SC", serif;
}

@media (max-width: 991.98px) {
  .section-block {
    padding: 72px 0;
  }

  .hero-metrics {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
    padding-top: 1.2rem;
  }

  .feature-image {
    height: 380px;
  }
}

@media (max-width: 575.98px) {
  .section-block {
    padding: 60px 0;
  }

  .hero-sub {
    margin-top: 1.1rem;
  }

  .feature-image {
    height: 320px;
  }

  .feature-overlay {
    padding: 1.2rem;
  }

  .feature-controls {
    right: 0.7rem;
    bottom: 0.7rem;
  }

  .subscription-box {
    padding: 1rem;
  }

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