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

:root {
  --ink: #141c2b;
  --ink-soft: #3a465c;
  --coral: #ff4f70;
  --coral-deep: #e03058;
  --aqua: #20c8c3;
  --aqua-soft: #d8f7f5;
  --mist: #eef5fb;
  --paper: #f7fbff;
  --line: rgba(20, 28, 43, 0.08);
  --glass: rgba(255, 255, 255, 0.62);
  --shadow: 0 18px 48px rgba(20, 28, 43, 0.12);
  --radius: 22px;
  --nav-h: 64px;
  --max: 1120px;
  --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%, #ffd6e0 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #c8f4f1 0%, transparent 50%),
    linear-gradient(180deg, #f4f9ff 0%, var(--mist) 40%, #f8fbff 100%);
  line-height: 1.75;
}

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(--aqua);
}

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

.site-topbar {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: blur(16px);
  background: rgba(247, 251, 255, 0.78);
  border-bottom: 1px solid var(--line);
}

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

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

.brand-mark img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(255, 79, 112, 0.25);
}

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

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.is-current {
  background: rgba(255, 79, 112, 0.1);
  color: var(--coral-deep);
}

.nav-burger {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--glass);
  cursor: pointer;
}

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

#top-promo {
  position: relative;
  z-index: 30;
  margin: 12px auto 0;
  width: min(100% - 24px, var(--max));
  padding: 14px 12px 10px;
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(255, 79, 112, 0.1), rgba(32, 200, 195, 0.08));
  border: 1px solid var(--line);
}

#top-promo-ads {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: 10px 8px;
  min-height: 84px;
  background: transparent;
}

.ad-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
  box-sizing: border-box;
}

.ad-slot figure {
  margin: 0;
}

.ad-slot a {
  display: inline-block;
  text-decoration: none;
  border-radius: 15px;
}

.ad-slot img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(24, 24, 24, 0.12);
  transition: transform 180ms ease, box-shadow 180ms ease;
  display: block;
  border: none;
  background: #fff;
}

.ad-slot a:hover img {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(255, 79, 112, 0.22);
}

.ad-cap {
  height: 15px;
  margin-top: 4px;
  font-size: 11px;
  color: #666;
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#soft-dock {
  position: sticky;
  top: var(--nav-h, 64px);
  z-index: 39;
  display: none;
  padding: 10px 0;
  background: rgba(247, 251, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 20px rgba(20, 28, 43, 0.06);
}

#soft-dock.is-visible {
  display: block;
}

#soft-dock-grid {
  width: min(100% - 16px, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px 8px;
  justify-items: center;
}

.dock-chip {
  width: 100%;
  max-width: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 11px;
  text-align: center;
}

.dock-chip img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 6px 14px rgba(255, 79, 112, 0.18);
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dock-chip:hover img {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 24px rgba(255, 79, 112, 0.22);
}

.dock-chip span {
  display: block;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #666;
}

.hero-orbit {
  position: relative;
  overflow: hidden;
  padding: 48px 0 36px;
}

.hero-orbit::before {
  content: "";
  position: absolute;
  inset: 8% -20% auto auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 79, 112, 0.28), transparent 68%);
  animation: drift 9s ease-in-out infinite alternate;
  pointer-events: none;
}

.hero-orbit::after {
  content: "";
  position: absolute;
  inset: auto auto -10% 5%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(32, 200, 195, 0.28), transparent 70%);
  animation: drift 11s ease-in-out infinite alternate-reverse;
  pointer-events: none;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(24px, -18px, 0);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.brand-kicker {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 2.4rem);
  letter-spacing: 0.06em;
  color: var(--coral-deep);
}

.brand-hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.2vw, 2.35rem);
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 18px;
  max-width: 36em;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-tags li {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.phone-stage {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.phone-card {
  width: min(100%, 280px);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow);
  background: #fff;
  transform: rotate(-3deg);
  animation: floaty 5.5s ease-in-out infinite;
}

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

.phone-card.alt {
  position: absolute;
  width: min(46%, 210px);
  right: 4%;
  bottom: 4%;
  transform: rotate(7deg);
  animation-delay: -1.8s;
  opacity: 0.96;
}

@keyframes floaty {
  0%,
  100% {
    transform: translateY(0) rotate(-3deg);
  }
  50% {
    transform: translateY(-10px) rotate(-2deg);
  }
}

.phone-card.alt {
  animation-name: floaty-alt;
}

@keyframes floaty-alt {
  0%,
  100% {
    transform: translateY(0) rotate(7deg);
  }
  50% {
    transform: translateY(-8px) rotate(8deg);
  }
}

.crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding: 18px 0 6px;
}

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

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

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

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

.section-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  margin: 0 0 12px;
  line-height: 1.3;
}

.section-block h3 {
  font-size: 1.15rem;
  margin: 28px 0 10px;
  color: var(--ink);
}

.section-block p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 1rem;
}

.lead-line {
  color: var(--ink-soft);
  margin-bottom: 22px;
}

.split-duo {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.split-duo.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.split-duo.reverse .copy-col {
  order: 2;
}

.split-duo.reverse .media-col {
  order: 1;
}

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

.media-frame img {
  width: 100%;
  aspect-ratio: 9 / 15;
  object-fit: cover;
  object-position: top;
}

.glass-panel {
  background: var(--glass);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.card-mosaic {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.mosaic-item {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

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

.mosaic-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.mosaic-item p {
  margin: 0;
  font-size: 0.92rem;
}

.feature-ribbon {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.ribbon-tile {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  align-items: center;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
  padding: 10px;
}

.ribbon-tile img {
  width: 120px;
  height: 160px;
  object-fit: cover;
  object-position: top;
  border-radius: 14px;
}

.ribbon-tile h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.ribbon-tile p {
  margin: 0;
  font-size: 0.88rem;
}

.text-folio {
  background: rgba(255, 255, 255, 0.55);
  border-left: 4px solid var(--aqua);
  border-radius: 0 18px 18px 0;
  padding: 18px 20px;
  margin: 18px 0;
}

.text-folio p:last-child {
  margin-bottom: 0;
}

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

.inline-links a {
  text-decoration: none;
  color: var(--ink);
  background: rgba(32, 200, 195, 0.12);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.88rem;
}

.legal-body h2 {
  margin-top: 34px;
}

.legal-body ul {
  color: var(--ink-soft);
  padding-left: 1.2em;
}

.legal-body li {
  margin-bottom: 8px;
}

.status-panel {
  min-height: 58vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
}

.status-panel h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 12px;
}

.status-panel p {
  color: var(--ink-soft);
  max-width: 34em;
  margin: 0 auto 18px;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--coral), #ff7a55);
  color: #fff !important;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(255, 79, 112, 0.28);
}

.site-foot {
  margin-top: 40px;
  padding: 34px 0 28px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
}

.site-foot h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.site-foot p,
.site-foot a {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.site-foot a {
  text-decoration: none;
  display: inline-block;
  margin: 4px 0;
}

.site-foot a:hover {
  color: var(--coral-deep);
}

.foot-copy {
  margin-top: 22px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

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

.reveal-up.is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero-grid,
  .split-duo,
  .split-duo.reverse,
  .feature-ribbon,
  .card-mosaic,
  .foot-grid {
    grid-template-columns: 1fr;
  }

  .split-duo.reverse .copy-col,
  .split-duo.reverse .media-col {
    order: initial;
  }

  .ribbon-tile {
    grid-template-columns: 96px 1fr;
  }

  .ribbon-tile img {
    width: 96px;
    height: 128px;
  }

  .phone-stage {
    min-height: 360px;
  }
}

@media (min-width: 768px) {
  #soft-dock-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav-burger {
    display: grid;
    place-items: center;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(247, 251, 255, 0.96);
    border-bottom: 1px solid var(--line);
    padding: 12px 16px 16px;
    flex-direction: column;
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero-orbit {
    padding-top: 28px;
  }

  .phone-card.alt {
    display: none;
  }
}