@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=ZCOOL+XiaoWei&display=swap");

:root {
  --ink: #1c1424;
  --ink-soft: #3d3348;
  --blush: #fff4f7;
  --blush-deep: #ffe3ec;
  --petal: #ff2d7a;
  --petal-dark: #d4175f;
  --mint: #1fb8a8;
  --mint-soft: #d8f6f2;
  --paper: #fffafb;
  --line: rgba(28, 20, 36, 0.08);
  --glass: rgba(255, 250, 251, 0.72);
  --shadow: 0 18px 48px rgba(212, 23, 95, 0.12);
  --radius: 22px;
  --max: 1120px;
  --nav-h: 64px;
  --dock-h: 78px;
  --font-display: "ZCOOL XiaoWei", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", 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%, #ffd6e6 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #c8fff7 0%, transparent 45%),
    linear-gradient(180deg, #fff7fa 0%, var(--paper) 38%, #fff 100%);
  line-height: 1.8;
  font-size: 16px;
  padding-bottom: calc(var(--dock-h) + 24px);
}

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

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

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

.lumina-shell {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

/* Promo top strip */
.lumina-promo {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 14px;
  padding: 12px 12px 4px;
  background: linear-gradient(90deg, #fff0f5, #eefcf9);
  border-bottom: 1px solid var(--line);
}

.lumina-promo__item {
  width: 70px;
  text-align: center;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 11px;
}

.lumina-promo__item img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 16px;
  margin: 0 auto 4px;
  box-shadow: 0 8px 18px rgba(28, 20, 36, 0.12);
  transition: transform 0.2s ease;
}

.lumina-promo__item:hover img {
  transform: translateY(-3px) scale(1.04);
}

.lumina-promo__item span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Nav */
.lumina-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--glass);
  border-bottom: 1px solid var(--line);
}

.lumina-nav__inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.lumina-nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.lumina-nav__brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.lumina-nav__brand strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.lumina-nav__links {
  display: flex;
  gap: 8px 18px;
  align-items: center;
}

.lumina-nav__links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
}

.lumina-nav__links a:hover,
.lumina-nav__links a.is-current {
  color: var(--petal-dark);
}

.lumina-nav__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  padding: 0;
}

.lumina-nav__toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
  transition: 0.2s ease;
}

/* Sticky download dock */
.lumina-dock-wrap {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  transform: translateY(110%);
  transition: transform 0.28s ease;
  background: rgba(255, 250, 251, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 28px rgba(28, 20, 36, 0.08);
}

.lumina-dock-wrap.is-visible {
  transform: translateY(0);
}

.lumina-dock {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px 12px;
  max-width: var(--max);
  margin: 0 auto;
}

.lumina-dock__icon {
  display: flex;
  justify-content: center;
}

.lumina-dock__icon img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: cover;
}

.lumina-dock__fallback {
  grid-column: 1 / -1;
  text-align: center;
  padding: 12px;
  border-radius: 14px;
  background: linear-gradient(120deg, var(--petal), #ff6ba8);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

@media (min-width: 900px) {
  .lumina-dock {
    grid-template-columns: repeat(8, 1fr);
  }
}

/* Hero */
.lumina-hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(160deg, rgba(28, 20, 36, 0.55), rgba(255, 45, 122, 0.35)),
    url("screen-comic-update.jpg") center/cover no-repeat;
  color: #fff;
  margin-bottom: 28px;
}

.lumina-hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(31, 184, 168, 0.35), transparent 40%),
    linear-gradient(180deg, transparent 20%, rgba(18, 10, 24, 0.78) 100%);
  z-index: 0;
}

.lumina-hero__content {
  position: relative;
  z-index: 1;
  padding: 48px 0 56px;
}

.lumina-hero__brand {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 10vw, 4.8rem);
  line-height: 1.05;
  margin: 0 0 12px;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  animation: lumina-rise 0.9s ease both;
}

.lumina-hero h1 {
  font-size: clamp(1.25rem, 3.6vw, 1.85rem);
  font-weight: 700;
  margin: 0 0 12px;
  max-width: 18em;
  animation: lumina-rise 0.9s ease 0.08s both;
}

.lumina-hero p {
  margin: 0;
  max-width: 34em;
  font-size: 1.02rem;
  opacity: 0.95;
  animation: lumina-rise 0.9s ease 0.16s both;
}

@keyframes lumina-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* Sections */
.lumina-section {
  padding: 42px 0;
}

.lumina-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.25rem);
  margin: 0 0 14px;
  color: var(--ink);
}

.lumina-section h3 {
  font-size: 1.2rem;
  margin: 28px 0 10px;
  color: var(--petal-dark);
}

.lumina-lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 22px;
  max-width: 46em;
}

.lumina-prose p {
  margin: 0 0 1em;
  color: var(--ink-soft);
}

.lumina-prose p:last-child {
  margin-bottom: 0;
}

/* Split media */
.lumina-split {
  display: grid;
  gap: 28px;
  align-items: center;
}

@media (min-width: 860px) {
  .lumina-split {
    grid-template-columns: 1.05fr 0.95fr;
  }
  .lumina-split--flip {
    grid-template-columns: 0.95fr 1.05fr;
  }
  .lumina-split--flip .lumina-device {
    order: -1;
  }
}

.lumina-device {
  position: relative;
  justify-self: center;
  width: min(100%, 280px);
  padding: 12px;
  border-radius: 36px;
  background: linear-gradient(160deg, #2a2034, #120c18);
  box-shadow: var(--shadow);
  transform: rotate(-2.5deg);
  transition: transform 0.35s ease;
}

.lumina-device:hover {
  transform: rotate(0deg) translateY(-4px);
}

.lumina-device img {
  border-radius: 26px;
  width: 100%;
}

.lumina-device::after {
  content: "";
  position: absolute;
  inset: auto 28% 8px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.25);
}

/* Feature mosaic */
.lumina-mosaic {
  display: grid;
  gap: 16px;
}

@media (min-width: 760px) {
  .lumina-mosaic {
    grid-template-columns: repeat(3, 1fr);
  }
}

.lumina-tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: 0 10px 28px rgba(28, 20, 36, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

.lumina-tile__mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #fff;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--petal), #ff8ab8);
}

.lumina-tile:nth-child(2) .lumina-tile__mark {
  background: linear-gradient(135deg, var(--mint), #6de8d8);
}

.lumina-tile:nth-child(3) .lumina-tile__mark {
  background: linear-gradient(135deg, #7b5cff, #b39bff);
}

.lumina-tile h3 {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 1.12rem;
}

.lumina-tile p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.96rem;
}

/* Ribbon band */
.lumina-ribbon {
  margin: 18px 0;
  padding: 34px 0;
  background:
    linear-gradient(120deg, rgba(255, 45, 122, 0.08), rgba(31, 184, 168, 0.1)),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 10px,
      rgba(255, 45, 122, 0.03) 10px,
      rgba(255, 45, 122, 0.03) 20px
    );
  border-block: 1px solid var(--line);
}

.lumina-ribbon__grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 800px) {
  .lumina-ribbon__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.lumina-shot {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
}

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

.lumina-shot figcaption {
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Quote strip */
.lumina-quote {
  margin: 28px 0;
  padding: 28px 24px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #1c1424, #3a1d33);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.lumina-quote::before {
  content: "「";
  position: absolute;
  top: -10px;
  left: 12px;
  font-size: 5rem;
  opacity: 0.18;
  font-family: var(--font-display);
}

.lumina-quote p {
  margin: 0;
  position: relative;
  font-size: 1.08rem;
}

/* Timeline */
.lumina-steps {
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.lumina-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  padding: 16px;
  background: #fff;
  border-radius: 18px;
  border: 1px solid var(--line);
}

.lumina-step::before {
  counter-increment: step;
  content: counter(step);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--petal), var(--mint));
}

.lumina-step h3 {
  margin: 0 0 6px;
  color: var(--ink);
}

.lumina-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* CTA block - not in hero/nav */
.lumina-cta {
  margin: 36px 0;
  padding: 32px 24px;
  border-radius: 28px;
  text-align: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.35), transparent 40%),
    linear-gradient(120deg, var(--petal), #ff6ea8 45%, var(--mint));
  color: #fff;
  box-shadow: var(--shadow);
}

.lumina-cta h2 {
  color: #fff;
  margin-bottom: 8px;
}

.lumina-cta p {
  margin: 0 auto 18px;
  max-width: 34em;
  opacity: 0.95;
}

.lumina-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: #fff;
  color: var(--petal-dark);
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  transition: transform 0.2s ease;
}

.lumina-btn:hover {
  transform: translateY(-2px);
  color: var(--petal);
}

/* Breadcrumb */
.lumina-crumb {
  padding: 18px 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.lumina-crumb a {
  text-decoration: none;
}

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

/* Legal / sub pages */
.lumina-page-hero {
  padding: 28px 0 10px;
}

.lumina-page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  margin: 8px 0 10px;
}

.lumina-legal {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px 22px;
  margin: 18px 0 40px;
  box-shadow: 0 12px 32px rgba(28, 20, 36, 0.04);
}

.lumina-legal h2 {
  font-size: 1.25rem;
  margin: 26px 0 10px;
  color: var(--petal-dark);
}

.lumina-legal h2:first-child {
  margin-top: 0;
}

.lumina-legal p,
.lumina-legal li {
  color: var(--ink-soft);
}

.lumina-legal ul {
  padding-left: 1.2em;
}

/* Error pages */
.lumina-error {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
}

.lumina-error__code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 18vw, 7rem);
  line-height: 1;
  background: linear-gradient(120deg, var(--petal), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0;
}

.lumina-error h1 {
  margin: 8px 0 12px;
  font-size: 1.4rem;
}

.lumina-error p {
  color: var(--ink-soft);
  max-width: 28em;
  margin: 0 auto 20px;
}

/* Footer */
.lumina-footer {
  margin-top: 40px;
  padding: 36px 0 28px;
  background: #1c1424;
  color: rgba(255, 255, 255, 0.78);
}

.lumina-footer a {
  color: #ffc0d6;
  text-decoration: none;
}

.lumina-footer__grid {
  display: grid;
  gap: 22px;
}

@media (min-width: 720px) {
  .lumina-footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.lumina-footer strong {
  display: block;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.lumina-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.lumina-footer li {
  margin: 6px 0;
}

.lumina-footer__copy {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.88rem;
}

/* Reveal */
.lumina-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* Mobile nav */
@media (max-width: 760px) {
  .lumina-nav__toggle {
    display: grid;
    place-items: center;
  }

  .lumina-nav__links {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 250, 251, 0.96);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 14px;
  }

  .lumina-nav__links.is-open {
    display: flex;
  }

  .lumina-nav__links a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
  }
}

/* Misc helpers */
.lumina-tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}

.lumina-tag {
  font-size: 0.82rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--blush-deep);
  color: var(--petal-dark);
}

.lumina-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-top: 18px;
}

.lumina-inline-links a {
  text-decoration: none;
  font-weight: 600;
}