:root {
  --sky-top: #d9ecff;
  --sky-mid: #e7f7f4;
  --sky-bot: #f4f0ff;
  --cloud: rgba(255, 255, 255, 0.78);
  --ink: #24344d;
  --mute: #5d6f86;
  --azure: #4f8fd9;
  --azure-deep: #2f6fb8;
  --mist: #6fb9b0;
  --lilac: #8e9ad8;
  --line: rgba(79, 143, 217, 0.22);
  --white: #ffffff;
  --font-display: "Trebuchet MS", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Consolas", "Microsoft YaHei", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse at 12% 8%, rgba(111, 185, 176, 0.35), transparent 42%),
    radial-gradient(ellipse at 88% 0%, rgba(142, 154, 216, 0.28), transparent 40%),
    radial-gradient(ellipse at 50% 35%, rgba(79, 143, 217, 0.18), transparent 45%),
    linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 42%, var(--sky-bot) 100%);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }

.cloud-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.brand-orb {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(145deg, var(--azure), var(--mist));
  box-shadow: 0 10px 24px rgba(79, 143, 217, 0.28);
}
.brand b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.18rem;
}
.brand small {
  display: block;
  color: var(--mute);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}
.nav { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.nav a {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  color: var(--mute);
  font-size: 0.9rem;
  background: transparent;
}
.nav a.on, .nav a:hover {
  color: var(--azure-deep);
  background: rgba(255,255,255,0.65);
}
.nav-pill {
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--azure), var(--lilac));
  color: #fff;
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 10px 22px rgba(79, 143, 217, 0.28);
}

/* Hero: floating cloud conversion + contact bubbles, media below */
.hero-cloud {
  position: relative;
  padding: 0.4rem 0 1.4rem;
}
.bubble-field {
  position: absolute;
  inset: 0 0 auto 0;
  height: 220px;
  pointer-events: none;
  z-index: 0;
}
.bubble {
  position: absolute;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--azure-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: 0 12px 28px rgba(79, 143, 217, 0.12);
  animation: floaty 7s ease-in-out infinite;
}
.bubble.b1 { width: 58px; height: 58px; left: 4%; top: 20px; }
.bubble.b2 { width: 46px; height: 46px; left: 18%; top: 70px; animation-delay: -1.5s; }
.bubble.b3 { width: 64px; height: 64px; right: 8%; top: 10px; animation-delay: -2.2s; }
.bubble.b4 { width: 42px; height: 42px; right: 22%; top: 80px; animation-delay: -3.1s; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.cloud-panel {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  margin: 1.2rem auto 1rem;
  padding: 1.7rem 1.5rem 1.5rem;
  text-align: center;
  border-radius: 36px;
  background:
    linear-gradient(160deg, rgba(255,255,255,0.92), rgba(231,247,244,0.78));
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 24px 50px rgba(79, 143, 217, 0.14);
  backdrop-filter: blur(8px);
}
.cloud-panel .tag {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(79, 143, 217, 0.12);
  color: var(--azure-deep);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  margin-bottom: 0.55rem;
}
.cloud-panel h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  background: linear-gradient(120deg, var(--ink), var(--azure-deep));
  -webkit-background-clip: text;
  background-clip: text;
}
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .cloud-panel h1 { color: transparent; }
}
.lead {
  margin: 0 auto 1.1rem;
  color: var(--mute);
  max-width: 36rem;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-bottom: 0.95rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 46px;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  font-family: var(--font-display);
  white-space: nowrap;
  word-break: keep-all;
  writing-mode: horizontal-tb;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-fill {
  color: #fff;
  background: linear-gradient(135deg, var(--azure), var(--azure-deep));
  box-shadow: 0 12px 24px rgba(79, 143, 217, 0.28);
  border: 0;
}
.btn-mist {
  color: #fff;
  background: linear-gradient(135deg, var(--mist), #4d9e96);
  border: 0;
  box-shadow: 0 12px 24px rgba(111, 185, 176, 0.28);
}
.btn-line {
  color: var(--ink);
  background: rgba(255,255,255,0.85);
  border: 1px solid var(--line);
}
.req {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  max-width: 420px;
  margin: 0 auto;
  text-align: left;
}
.req p {
  margin: 0;
  padding: 0.65rem 0.75rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--line);
  font-size: 0.86rem;
  color: var(--mute);
}
.req b { display: block; color: var(--ink); margin-bottom: 0.1rem; font-family: var(--font-display); }

.hero-media {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 0;
  height: auto;
  overflow: visible;
  border-radius: 28px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 18px 40px rgba(79, 143, 217, 0.12);
}
.hero-media img,
.frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  object-position: center;
  margin: 0;
  padding: 0;
  min-height: 0;
  max-height: none;
  clip-path: none;
  transform: none;
}

.sec { padding: 2.8rem 0; }
.sec-h {
  text-align: center;
  margin-bottom: 1.35rem;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}
.k {
  margin: 0 0 0.35rem;
  color: var(--azure-deep);
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-family: var(--font-mono);
}
.sec-h h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}
.sec-h p { margin: 0; color: var(--mute); }

/* Download as cloud address book — not cards/table/rack/mosaic */
.abook {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 0.75rem;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 18px 40px rgba(79, 143, 217, 0.1);
}
.az {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
  padding: 0.8rem 0;
  background: linear-gradient(180deg, rgba(79,143,217,0.14), rgba(111,185,176,0.14));
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--azure-deep);
  font-weight: 700;
}
.contacts { display: grid; }
.contact {
  display: grid;
  grid-template-columns: 52px 1.1fr 1fr 1fr auto;
  gap: 0.7rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(79, 143, 217, 0.12);
}
.contact:last-child { border-bottom: 0; }
.contact:hover { background: rgba(79, 143, 217, 0.06); }
.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  background: linear-gradient(145deg, var(--azure), var(--mist));
}
.contact .os {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
}
.contact .meta {
  margin: 0;
  color: var(--mute);
  font-size: 0.88rem;
}
.contact .meta b { color: var(--ink); }
.contact .btn { min-width: 118px; min-height: 40px; padding: 0.45rem 0.8rem; }

/* Features as floating capability clouds */
.cloud-caps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.85rem;
}
.cap {
  width: min(180px, 100%);
  padding: 1.2rem 1rem;
  border-radius: 28px 28px 34px 34px;
  text-align: center;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 14px 30px rgba(79, 143, 217, 0.1);
}
.cap:nth-child(2n) { transform: translateY(12px); }
.cap .ico {
  width: 48px;
  height: 48px;
  margin: 0 auto 0.7rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(79,143,217,0.18), rgba(111,185,176,0.25));
  color: var(--azure-deep);
  font-family: var(--font-display);
  font-weight: 800;
}
.cap h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1rem;
}
.cap p { margin: 0; color: var(--mute); font-size: 0.86rem; }

/* Solution mist band */
.mist-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.mist-copy {
  padding: 1.5rem 1.35rem;
  border-radius: 30px;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.85), rgba(217,236,255,0.7), rgba(231,247,244,0.75));
  border: 1px solid rgba(255,255,255,0.95);
}
.mist-copy h2 {
  margin: 0.3rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
}
.mist-copy p { margin: 0 0 0.75rem; color: var(--mute); max-width: 48rem; }
.gallery {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 0.75rem;
}
.frame {
  margin: 0;
  padding: 0;
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 12px 28px rgba(79, 143, 217, 0.1);
}

.trust-cloud {
  text-align: center;
  padding: 2rem 1.2rem;
  border-radius: 36px;
  background:
    radial-gradient(circle at 50% 0%, rgba(255,255,255,0.95), rgba(255,255,255,0.55));
  border: 1px solid rgba(255,255,255,0.95);
  box-shadow: 0 18px 40px rgba(79, 143, 217, 0.1);
}
.trust-cloud .big {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.4rem);
}
.trust-cloud .big em { font-style: normal; color: var(--azure-deep); }
.trust-cloud p { margin: 0 auto; max-width: 36rem; color: var(--mute); }
.brands {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.55rem;
  margin-top: 1.1rem;
}
.brands span {
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  background: rgba(79, 143, 217, 0.1);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.news-cloud article {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  margin-bottom: 0.7rem;
  border-radius: 22px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.95);
}
.news-cloud time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--azure-deep);
}
.news-cloud h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
}
.news-cloud p { margin: 0; color: var(--mute); font-size: 0.9rem; }

.help-cloud {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.help-cloud details {
  padding: 0.9rem 1rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.95);
}
.help-cloud summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
}
.help-cloud p {
  margin: 0.4rem 0 0;
  color: var(--mute);
  font-size: 0.9rem;
}
.media-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1rem;
}

.cta-cloud {
  margin: 1rem 0 2.3rem;
  padding: 1.8rem 1.4rem;
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(47,111,184,0.95), rgba(79,143,217,0.92) 45%, rgba(111,185,176,0.9));
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.1rem;
  align-items: center;
  box-shadow: 0 22px 44px rgba(47, 111, 184, 0.25);
}
.cta-cloud h2 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
}
.cta-cloud p { margin: 0 0 1rem; opacity: 0.9; }
.cta-cloud .btn-line {
  background: rgba(255,255,255,0.16);
  color: #fff;
  border-color: rgba(255,255,255,0.45);
}
.gains {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}
.gains li {
  padding: 0.7rem 0.85rem;
  border-radius: 16px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.92rem;
}

.foot {
  padding: 1.2rem 0 2rem;
  color: var(--mute);
  font-size: 0.88rem;
}
.foot-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.7rem;
}
.foot a { color: var(--azure-deep); font-weight: 700; }

@media (max-width: 960px) {
  .contact { grid-template-columns: 52px 1fr; }
  .contact .meta:nth-child(3),
  .contact .meta:nth-child(4) { grid-column: 2; }
  .contact .btn { grid-column: 1 / -1; width: 100%; }
  .gallery, .help-cloud, .cta-cloud, .news-cloud article, .media-row { grid-template-columns: 1fr; }
  .cap:nth-child(2n) { transform: none; }
  .nav { display: none; }
  .bubble-field { display: none; }
  .abook { grid-template-columns: 1fr; }
  .az { flex-direction: row; gap: 0.6rem; padding: 0.5rem; }
}
@media (max-width: 640px) {
  .req { grid-template-columns: 1fr; }
  .actions { flex-direction: column; }
  .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .bubble, .btn:hover { animation: none; transform: none; }
}

/* Hero final overrides */
.hero-cloud { align-items: center; }
.hero-media,
.frame {
  align-self: center;
  height: auto;
  margin-top: 0;
  margin-bottom: 0;
  overflow: visible;
}
.hero-media img,
.frame img {
  display: block !important;
  width: 100% !important;
  height: auto !important;
  object-fit: contain !important;
  object-position: center !important;
  margin: 0 !important;
  padding: 0 !important;
  min-height: 0 !important;
  max-height: none !important;
  clip-path: none !important;
  transform: none !important;
}
.btn {
  white-space: nowrap !important;
  word-break: keep-all !important;
  writing-mode: horizontal-tb !important;
}