:root {
  --ink: #16323f;
  --ink-soft: #3a5563;
  --mist: #eef7f8;
  --paper: #f8fcfd;
  --aqua: #2ec4b6;
  --aqua-deep: #1a9e93;
  --coral: #ff6b5b;
  --coral-soft: #ffd3cd;
  --sun: #ffc857;
  --line: rgba(22, 50, 63, 0.08);
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 18px 48px rgba(22, 50, 63, 0.1);
  --radius: 22px;
  --nav-h: 64px;
  --sticky-h: 0px;
  --font-display: "ZCOOL XiaoWei", "Songti SC", serif;
  --font-body: "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-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(46, 196, 182, 0.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(255, 107, 91, 0.14), transparent 55%),
    linear-gradient(180deg, #f4fbfd 0%, #fff8f6 48%, #eef7f8 100%);
  line-height: 1.75;
  min-height: 100vh;
  padding-bottom: var(--sticky-h);
}

body.has-sticky-gap {
  --sticky-h: 96px;
}

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

a {
  color: var(--aqua-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.lum-wrap {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.lum-promo {
  background: rgba(255, 255, 255, 0.55);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 0 6px;
}

.lum-promo-ads,
#lum-promo-ads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
}

.lum-ad-cell {
  width: 70px;
  text-align: center;
}

.lum-ad-cell img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
  margin: 0 auto;
}

.lum-ad-cell a:hover img {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(24, 24, 24, 0.18);
}

.lum-ad-caption {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: #666;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lum-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

body.lum-menu-open .lum-nav {
  z-index: 80;
}

body.lum-menu-open .lum-sticky-bar {
  z-index: 30;
  pointer-events: none;
}

.lum-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.lum-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.lum-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
}

.lum-burger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  position: relative;
  z-index: 46;
  flex-shrink: 0;
}

.lum-burger span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.lum-burger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.lum-burger.is-open span:nth-child(2) {
  opacity: 0;
}

.lum-burger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.lum-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  justify-content: flex-end;
}

.lum-menu a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  position: relative;
}

.lum-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--aqua), var(--coral));
  transition: width 0.25s ease;
}

.lum-menu a:hover {
  color: var(--ink);
}

.lum-menu a:hover::after {
  width: 100%;
}

.lum-nav-mask {
  display: none;
}

.lum-sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--nav-h);
  z-index: 35;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(22, 50, 63, 0.06);
  padding: 8px 12px;
}

.lum-sticky-bar.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.lum-sticky-label {
  text-align: center;
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}

#lum-sticky-ads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 1120px;
  margin: 0 auto;
}

.lum-sticky-item {
  width: calc(25% - 8px);
  max-width: 64px;
  display: flex;
  justify-content: center;
  text-decoration: none;
}

.lum-sticky-item img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(22, 50, 63, 0.12);
}

.lum-sticky-fallback {
  width: auto;
  max-width: none;
  padding: 10px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--aqua), var(--coral));
  color: #fff !important;
  font-size: 13px;
}

@media (min-width: 768px) {
  .lum-sticky-item {
    width: calc(12.5% - 8px);
  }
}

.lum-hero {
  position: relative;
  overflow: hidden;
  padding: 42px 0 28px;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
}

.lum-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(248, 252, 253, 0.92) 0%, rgba(248, 252, 253, 0.55) 42%, rgba(248, 252, 253, 0.2) 100%),
    url("feature-comic-update.jpg") center / cover no-repeat;
  z-index: 0;
}

.lum-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.lum-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  font-weight: 400;
}

.lum-hero-lead {
  margin: 0;
  max-width: 34em;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.lum-crumb {
  width: min(1120px, calc(100% - 32px));
  margin: 18px auto 0;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.lum-crumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

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

.lum-crumb span {
  margin: 0 6px;
  opacity: 0.5;
}

.lum-section {
  padding: 42px 0;
}

.lum-section h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.6vw, 2rem);
  font-weight: 400;
  line-height: 1.35;
}

.lum-section h3 {
  margin: 28px 0 10px;
  font-size: 1.12rem;
  color: var(--ink);
}

.lum-section p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.lum-kicker {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--aqua-deep);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.lum-split {
  display: grid;
  gap: 22px;
  align-items: center;
}

.lum-split.is-flip .lum-media {
  order: -1;
}

.lum-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}

.lum-media img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top center;
}

.lum-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 28%;
  background: linear-gradient(transparent, rgba(22, 50, 63, 0.28));
  pointer-events: none;
}

.lum-panel {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lum-cards {
  display: grid;
  gap: 16px;
}

.lum-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 16px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.lum-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.lum-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.lum-card p {
  margin: 0;
  font-size: 0.94rem;
}

.lum-mosaic {
  display: grid;
  gap: 14px;
}

.lum-mosaic figure {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.lum-mosaic img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top;
}

.lum-mosaic figcaption {
  padding: 10px 12px 12px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

.lum-cta-band {
  margin: 20px 0;
  padding: 22px 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.16), rgba(255, 107, 91, 0.14));
  border: 1px solid var(--line);
  text-align: center;
}

.lum-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 12px 22px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--aqua), #48d4c4 40%, var(--coral));
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(46, 196, 182, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lum-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(255, 107, 91, 0.25);
}

.lum-text-block p + p {
  text-indent: 0;
}

.lum-footer {
  margin-top: 40px;
  padding: 36px 0 110px;
  background: #12303c;
  color: rgba(255, 255, 255, 0.82);
}

.lum-footer a {
  color: #9fe8e0;
  text-decoration: none;
}

.lum-footer a:hover {
  color: #ffd3cd;
}

.lum-footer-grid {
  display: grid;
  gap: 22px;
}

.lum-footer h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #fff;
  font-weight: 400;
}

.lum-footer p,
.lum-footer li {
  font-size: 0.9rem;
  line-height: 1.7;
}

.lum-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.lum-copy {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  opacity: 0.75;
}

.lum-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.lum-reveal.is-in {
  opacity: 1;
  transform: none;
}

.lum-status {
  min-height: 70vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 16px;
}

.lum-status h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.4rem);
  margin: 0 0 12px;
  font-weight: 400;
}

.lum-legal .lum-section {
  padding-top: 24px;
}

.lum-legal h2 {
  margin-top: 28px;
}

@media (min-width: 768px) {
  .lum-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .lum-split {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .lum-split.is-flip .lum-media {
    order: 0;
  }

  .lum-split.is-flip .lum-copy-col {
    order: -1;
  }

  .lum-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .lum-mosaic {
    grid-template-columns: repeat(3, 1fr);
  }

  .lum-footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .lum-media img {
    aspect-ratio: 9 / 15;
  }
}

@media (max-width: 767px) {
  .lum-burger {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }

  .lum-nav-inner {
    position: relative;
  }

  .lum-menu {
    position: fixed;
    top: calc(var(--nav-h) + 8px);
    right: 12px;
    left: 12px;
    z-index: 82;
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    padding: 10px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }

  .lum-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .lum-menu a {
    font-size: 1rem;
    padding: 14px 12px;
    border-radius: 12px;
    color: var(--ink);
    display: block;
    width: 100%;
    box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(46, 196, 182, 0.2);
  }

  .lum-menu a::after {
    display: none;
  }

  .lum-menu a:hover,
  .lum-menu a:active {
    background: rgba(46, 196, 182, 0.1);
    color: var(--aqua-deep);
  }

  .lum-nav-mask {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 70;
    background: rgba(22, 50, 63, 0.28);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .lum-nav-mask.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  body.lum-menu-open {
    overflow: hidden;
  }

  .lum-hero {
    min-height: auto;
    padding-top: 28px;
  }

  .lum-hero::before {
    background:
      linear-gradient(180deg, rgba(248, 252, 253, 0.88), rgba(248, 252, 253, 0.55)),
      url("feature-comic-update.jpg") top center / cover no-repeat;
  }
}