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

:root {
  --ink: #0c1218;
  --ink-soft: #1a2430;
  --paper: #f4f7fb;
  --mist: #e8eef6;
  --coral: #ff5a6a;
  --coral-deep: #e23d52;
  --mint: #1ec9a5;
  --mint-soft: #b8f3e4;
  --gold: #f0b429;
  --text: #243041;
  --muted: #5d6b7c;
  --line: rgba(36, 48, 65, 0.12);
  --glass: rgba(255, 255, 255, 0.72);
  --shadow: 0 18px 50px rgba(12, 18, 24, 0.14);
  --radius: 22px;
  --max: 1080px;
  --nav-h: 64px;
  --promo-gap: 12px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + var(--sticky-offset, 0px));
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(30, 201, 165, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(255, 90, 106, 0.16), transparent 50%),
    linear-gradient(180deg, #0c1218 0%, #14202c 220px, var(--paper) 220px, var(--paper) 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

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

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

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

.aurora-top-promo {
  background: linear-gradient(90deg, #101820, #1a2a38);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0 8px;
}

.aurora-ad-grid,
.aurora-sticky-grid {
  display: grid;
  grid-template-columns: repeat(4, 70px);
  justify-content: center;
  gap: 10px 8px;
}

@media (min-width: 768px) {
  .aurora-ad-grid,
  .aurora-sticky-grid {
    grid-template-columns: repeat(8, 70px);
  }
}

.aurora-ad-item {
  width: 70px;
  text-decoration: none;
  color: #d7e2ee;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.aurora-ad-item img {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.aurora-ad-item:hover img {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.35);
}

.aurora-ad-caption {
  font-size: 11px;
  line-height: 1.2;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aurora-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(12, 18, 24, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.aurora-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.aurora-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
}

.aurora-brand strong {
  font-family: "ZCOOL XiaoWei", "Noto Sans SC", serif;
  font-size: 1.35rem;
  letter-spacing: 0.04em;
  font-weight: 400;
}

.aurora-nav-panel {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: var(--nav-h);
  background: rgba(16, 24, 32, 0.96);
  padding: 12px 16px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.aurora-nav-panel.is-open {
  display: block;
}

.aurora-nav-panel a {
  display: block;
  color: #e8eef6;
  text-decoration: none;
  padding: 10px 8px;
  border-radius: 10px;
}

.aurora-nav-panel a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--mint);
}

.aurora-menu-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  background: transparent;
  display: grid;
  place-items: center;
  gap: 5px;
  cursor: pointer;
}

.aurora-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  transition: 0.2s ease;
}

.aurora-menu-btn.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.aurora-menu-btn.is-active span:nth-child(2) {
  opacity: 0;
}
.aurora-menu-btn.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 880px) {
  .aurora-menu-btn {
    display: none;
  }
  .aurora-nav-panel {
    display: flex !important;
    position: static;
    background: transparent;
    border: 0;
    padding: 0;
    gap: 6px;
  }
  .aurora-nav-panel a {
    display: inline-block;
    padding: 8px 12px;
    font-size: 0.95rem;
  }
}

.aurora-sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--nav-h);
  z-index: 30;
  background: rgba(14, 22, 30, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 8px 6px;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s ease;
  max-height: 36vh;
  overflow: auto;
}

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

.aurora-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 36px 0 48px;
}

.aurora-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 70%;
  background:
    radial-gradient(circle at 20% 40%, rgba(30, 201, 165, 0.35), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(255, 90, 106, 0.28), transparent 42%);
  pointer-events: none;
}

.aurora-hero-grid {
  position: relative;
  display: grid;
  gap: 28px;
  align-items: center;
}

@media (min-width: 900px) {
  .aurora-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
  }
}

.aurora-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mint-soft);
  margin-bottom: 12px;
}

.aurora-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--mint), transparent);
}

.aurora-hero h1 {
  font-family: "ZCOOL XiaoWei", "Noto Sans SC", serif;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 400;
}

.aurora-hero-lead {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.82);
  margin: 0 0 22px;
  max-width: 34em;
}

.aurora-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.aurora-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.aurora-btn:hover {
  transform: translateY(-2px);
}

.aurora-btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.aurora-btn-ghost:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.aurora-btn-soft {
  background: linear-gradient(135deg, var(--mint), #149f84);
  color: #06251f;
  box-shadow: 0 10px 28px rgba(30, 201, 165, 0.35);
}

.aurora-btn-soft:hover {
  color: #06251f;
}

.aurora-phone-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 360px;
}

.aurora-phone-stage::before {
  content: "";
  position: absolute;
  width: 78%;
  height: 78%;
  border-radius: 50%;
  background: conic-gradient(from 120deg, rgba(255, 90, 106, 0.35), rgba(30, 201, 165, 0.3), transparent 70%);
  filter: blur(18px);
  animation: aurora-spin 14s linear infinite;
}

@keyframes aurora-spin {
  to {
    transform: rotate(360deg);
  }
}

.aurora-phone {
  position: relative;
  width: min(100%, 280px);
  border-radius: 28px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow);
  animation: aurora-float 5s ease-in-out infinite;
}

@keyframes aurora-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.aurora-main {
  background: var(--paper);
  border-radius: 32px 32px 0 0;
  margin-top: -8px;
  position: relative;
  z-index: 2;
  padding: 36px 0 64px;
}

.aurora-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 22px;
}

.aurora-crumb a {
  color: var(--muted);
  text-decoration: none;
}

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

.aurora-crumb span[aria-hidden="true"] {
  opacity: 0.45;
}

.aurora-section {
  margin: 0 0 42px;
}

.aurora-section h2 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(1.45rem, 3vw, 1.9rem);
  color: var(--ink);
  margin: 0 0 12px;
  line-height: 1.35;
}

.aurora-section h3 {
  font-size: 1.12rem;
  margin: 22px 0 8px;
  color: var(--ink-soft);
}

.aurora-section p {
  margin: 0 0 14px;
  color: var(--text);
}

.aurora-lead-box {
  background: linear-gradient(135deg, rgba(30, 201, 165, 0.12), rgba(255, 90, 106, 0.08));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 28px;
}

.aurora-split {
  display: grid;
  gap: 22px;
  align-items: center;
  margin: 28px 0;
}

@media (min-width: 800px) {
  .aurora-split {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .aurora-split.is-reverse .aurora-split-media {
    order: 2;
  }
  .aurora-split.is-reverse .aurora-split-copy {
    order: 1;
  }
}

.aurora-media-frame {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
  border: 1px solid var(--line);
  transform: translateZ(0);
}

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

.aurora-tile-row {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

@media (min-width: 700px) {
  .aurora-tile-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.aurora-tile {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 16px;
  box-shadow: 0 10px 30px rgba(12, 18, 24, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.aurora-tile h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

.aurora-tile p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}

.aurora-mosaic {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

@media (min-width: 760px) {
  .aurora-mosaic {
    grid-template-columns: 1.2fr 1fr;
  }
}

.aurora-mosaic-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  display: grid;
}

@media (min-width: 560px) {
  .aurora-mosaic-card {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.aurora-mosaic-card img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  object-position: top;
}

.aurora-mosaic-card div {
  padding: 18px;
}

.aurora-quote {
  margin: 28px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--coral);
  background: #fff;
  border-radius: 0 18px 18px 0;
  box-shadow: 0 8px 24px rgba(12, 18, 24, 0.05);
  font-size: 1.05rem;
}

.aurora-rail {
  display: grid;
  gap: 12px;
  margin: 20px 0 28px;
}

.aurora-rail-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}

.aurora-rail-num {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #06251f;
  background: linear-gradient(135deg, var(--mint-soft), #7be8cf);
}

.aurora-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 22px 0;
}

@media (min-width: 800px) {
  .aurora-gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

.aurora-gallery figure {
  margin: 0;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.aurora-gallery img {
  width: 100%;
  aspect-ratio: 9 / 14;
  object-fit: cover;
  object-position: top;
}

.aurora-gallery figcaption {
  padding: 8px 10px 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.aurora-band {
  margin: 36px 0;
  padding: 28px 22px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(12, 18, 24, 0.95), rgba(26, 36, 48, 0.92)),
    radial-gradient(circle at 90% 10%, rgba(255, 90, 106, 0.25), transparent 40%);
  color: #fff;
}

.aurora-band h2,
.aurora-band p {
  color: #fff;
}

.aurora-band p {
  opacity: 0.88;
}

.aurora-band .aurora-cta-row {
  margin-top: 16px;
}

.aurora-legal {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px 22px;
}

.aurora-legal h1 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  margin: 0 0 8px;
}

.aurora-legal .aurora-meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

.aurora-error {
  min-height: 58vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
  color: #fff;
}

.aurora-error h1 {
  font-family: "ZCOOL XiaoWei", serif;
  font-size: clamp(2.4rem, 8vw, 4rem);
  margin: 0 0 10px;
}

.aurora-error p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 28em;
  margin: 0 auto 22px;
}

.aurora-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
  padding: 42px 0 28px;
}

.aurora-footer-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 760px) {
  .aurora-footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}

.aurora-footer a {
  color: #b8f3e4;
  text-decoration: none;
}

.aurora-footer a:hover {
  color: #fff;
}

.aurora-footer h3 {
  color: #fff;
  margin: 0 0 12px;
  font-size: 1rem;
}

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

.aurora-footer li {
  margin-bottom: 8px;
}

.aurora-copy {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

.aurora-inline-list {
  margin: 12px 0 18px;
  padding-left: 1.2em;
}

.aurora-inline-list li {
  margin-bottom: 8px;
}

.aurora-fade-up {
  animation: aurora-rise 0.7s ease both;
}

@keyframes aurora-rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}