:root {
  --ink: #1b2437;
  --ink-soft: #3d4a63;
  --foam: #fff7f2;
  --mist: #eef9f6;
  --petal: #ff5e8a;
  --petal-deep: #e83a6a;
  --jade: #12b8a8;
  --jade-deep: #0a8f83;
  --sun: #ffb020;
  --glass: rgba(255, 247, 242, 0.72);
  --line: rgba(27, 36, 55, 0.08);
  --shadow: 0 18px 40px rgba(27, 36, 55, 0.1);
  --radius: 22px;
  --max: 1120px;
  --font-display: "ZCOOL XiaoWei", "Noto Serif 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;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(255, 94, 138, 0.16), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(18, 184, 168, 0.14), transparent 55%),
    linear-gradient(180deg, var(--foam) 0%, var(--mist) 48%, #fff 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--jade-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--petal-deep);
}

.aurora-skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.aurora-promo {
  position: relative;
  z-index: 40;
  padding: 10px 12px 6px;
  background: linear-gradient(90deg, rgba(255, 94, 138, 0.08), rgba(18, 184, 168, 0.1));
  border-bottom: 1px solid var(--line);
}

.aurora-promo-title {
  margin: 0 0 8px;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.aurora-ads-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 8px;
}

.aurora-dl-chip {
  width: calc(25% - 8px);
  max-width: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 11px;
}

.aurora-dl-chip img {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(27, 36, 55, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.aurora-dl-chip:hover img {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 22px rgba(27, 36, 55, 0.16);
}

.aurora-dl-chip span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

@media (min-width: 768px) {
  .aurora-dl-chip {
    width: calc(12.5% - 8px);
  }
}

.aurora-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: var(--glass);
  border-bottom: 1px solid var(--line);
}

.aurora-nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.aurora-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.aurora-brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 6px 14px rgba(255, 94, 138, 0.25);
}

.aurora-brand strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.aurora-nav-toggle {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.7);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.aurora-nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: 0.2s ease;
}

.aurora-nav-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.aurora-nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}

.aurora-nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.aurora-nav-links {
  display: none;
  position: absolute;
  left: 12px;
  right: 12px;
  top: calc(100% + 8px);
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  flex-direction: column;
  gap: 4px;
}

.aurora-nav-links.is-open {
  display: flex;
}

.aurora-nav-links a {
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}

.aurora-nav-links a:hover {
  background: rgba(18, 184, 168, 0.1);
  color: var(--jade-deep);
}

@media (min-width: 880px) {
  .aurora-nav-toggle {
    display: none;
  }

  .aurora-nav-links {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 0;
    background: transparent;
    box-shadow: none;
  }

  .aurora-nav-links a {
    padding: 8px 12px;
    font-size: 0.95rem;
  }
}

.aurora-sticky-dl {
  position: fixed;
  left: 0;
  right: 0;
  top: 66px;
  z-index: 45;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
}

.aurora-sticky-dl.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

body.aurora-sticky-on {
  padding-top: 0;
}

.aurora-sticky-dl .aurora-ads-row {
  max-width: var(--max);
  margin: 0 auto;
}

.aurora-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

.aurora-hero {
  position: relative;
  min-height: min(88vh, 820px);
  display: grid;
  align-items: end;
  padding: 48px 0 64px;
  overflow: hidden;
}

.aurora-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      105deg,
      rgba(255, 247, 242, 0.97) 0%,
      rgba(255, 247, 242, 0.94) 38%,
      rgba(255, 247, 242, 0.72) 58%,
      rgba(238, 249, 246, 0.42) 100%
    ),
    url("anime-portal-home.jpg") center / cover no-repeat;
  z-index: -2;
  animation: aurora-pan 18s ease-in-out infinite alternate;
}

.aurora-hero::after {
  content: "";
  position: absolute;
  inset: auto -20% -30% 40%;
  height: 70%;
  background: radial-gradient(circle, rgba(255, 94, 138, 0.18), transparent 65%);
  filter: blur(10px);
  z-index: -1;
  animation: aurora-glow 6s ease-in-out infinite alternate;
}

@keyframes aurora-pan {
  from {
    transform: scale(1.04) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.1) translate3d(-2%, -1%, 0);
  }
}

@keyframes aurora-glow {
  from {
    opacity: 0.55;
    transform: translateX(0);
  }
  to {
    opacity: 1;
    transform: translateX(-8%);
  }
}

.aurora-hero-inner {
  max-width: 640px;
  padding: 22px 20px;
  border-radius: 24px;
  background: rgba(255, 250, 247, 0.88);
  border: 1px solid rgba(27, 36, 55, 0.06);
  box-shadow: 0 16px 40px rgba(27, 36, 55, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.aurora-hero-brand {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: 0.06em;
  color: var(--petal-deep);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
  animation: aurora-rise 0.9s ease both;
}

.aurora-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 4.2vw, 1.9rem);
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
  animation: aurora-rise 0.9s ease 0.12s both;
}

.aurora-hero-lead {
  margin: 0;
  max-width: 36em;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.7;
  opacity: 0.88;
  animation: aurora-rise 0.9s ease 0.22s both;
}

@keyframes aurora-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.aurora-crumb {
  max-width: var(--max);
  margin: 18px auto 0;
  padding: 0 16px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.aurora-crumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

.aurora-crumb a:hover {
  color: var(--petal-deep);
}

.aurora-section {
  padding: 56px 0;
}

.aurora-section h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.5vw, 2.1rem);
  letter-spacing: 0.03em;
}

.aurora-section h3 {
  margin: 28px 0 10px;
  font-size: 1.2rem;
}

.aurora-section p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.aurora-section p:last-child {
  margin-bottom: 0;
}

.aurora-lead {
  font-size: 1.05rem;
  color: var(--ink);
}

.aurora-split {
  display: grid;
  gap: 28px;
  align-items: center;
}

@media (min-width: 860px) {
  .aurora-split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 42px;
  }

  .aurora-split.is-flip {
    grid-template-columns: 0.95fr 1.05fr;
  }

  .aurora-split.is-flip .aurora-media {
    order: -1;
  }
}

.aurora-media {
  position: relative;
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  box-shadow: var(--shadow);
  isolation: isolate;
}

.aurora-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, transparent 50%, rgba(255, 94, 138, 0.18));
  pointer-events: none;
}

.aurora-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.aurora-media:hover img {
  transform: scale(1.04);
}

.aurora-mosaic {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr;
}

.aurora-mosaic .aurora-media:first-child {
  grid-column: 1 / -1;
}

.aurora-mosaic .aurora-media img {
  aspect-ratio: 16 / 11;
}

.aurora-cards {
  display: grid;
  gap: 16px;
}

@media (min-width: 720px) {
  .aurora-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.aurora-card {
  padding: 22px 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(27, 36, 55, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.aurora-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(27, 36, 55, 0.1);
}

.aurora-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.aurora-card p {
  margin: 0;
  font-size: 0.95rem;
}

.aurora-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 8px;
}

.aurora-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(18, 184, 168, 0.12);
  color: var(--jade-deep);
  font-size: 0.86rem;
}

.aurora-quote {
  margin: 28px 0;
  padding: 22px 20px;
  border-left: 4px solid var(--petal);
  border-radius: 0 18px 18px 0;
  background: rgba(255, 94, 138, 0.08);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.6;
}

.aurora-band {
  position: relative;
  padding: 48px 0;
  background:
    linear-gradient(135deg, rgba(18, 184, 168, 0.12), rgba(255, 94, 138, 0.1)),
    rgba(255, 255, 255, 0.55);
  border-block: 1px solid var(--line);
}

.aurora-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.aurora-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: none;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.aurora-btn-main {
  color: #fff;
  background: linear-gradient(120deg, var(--petal), var(--petal-deep));
  box-shadow: 0 10px 22px rgba(232, 58, 106, 0.28);
}

.aurora-btn-soft {
  color: var(--jade-deep);
  background: rgba(18, 184, 168, 0.14);
}

.aurora-btn:hover {
  transform: translateY(-2px);
}

.aurora-text-block + .aurora-text-block {
  margin-top: 28px;
}

.aurora-legal {
  padding: 36px 0 64px;
}

.aurora-legal h1 {
  margin: 8px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

.aurora-legal h2 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
}

.aurora-legal p,
.aurora-legal li {
  color: var(--ink-soft);
}

.aurora-legal ul {
  padding-left: 1.2em;
}

.aurora-error {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 16px;
}

.aurora-error h1 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 7vw, 3.2rem);
}

.aurora-footer {
  margin-top: 24px;
  padding: 42px 0 28px;
  background: #152033;
  color: rgba(255, 255, 255, 0.78);
}

.aurora-footer a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.aurora-footer a:hover {
  color: #fff;
}

.aurora-footer-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 760px) {
  .aurora-footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.aurora-footer h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.15rem;
}

.aurora-footer p,
.aurora-footer li {
  margin: 0 0 8px;
  font-size: 0.92rem;
  line-height: 1.7;
}

.aurora-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.aurora-copy {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
}

.aurora-float-orb {
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 176, 32, 0.45), transparent 70%);
  filter: blur(2px);
  animation: aurora-float 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes aurora-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}
