/* v34 — Sky Bento: #e0f2fe / white, Apple-like spacious, bento grid */

:root {
  --sky: #e0f2fe;
  --sky-deep: #0284c7;
  --sky-mid: #0ea5e9;
  --sky-soft: #f0f9ff;
  --white: #ffffff;
  --text: #0c4a6e;
  --muted: #64748b;
  --pad: 0.427rem;
  --bottom-bar: 2.4rem;
  --layout-max: var(--layout-max-px, 540px);
  --radius: 0.32rem;
  --radius-lg: 0.427rem;
  --radius-pill: 999px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
* { scrollbar-width: none; -ms-overflow-style: none; }
*::-webkit-scrollbar { display: none; width: 0; height: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.55;
  letter-spacing: -0.01em;
  padding-bottom: calc(var(--bottom-bar) + env(safe-area-inset-bottom, 0));
}
.page { max-width: var(--layout-max); margin: 0 auto; min-height: 100vh; }

.sky-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 1.28rem;
  padding: 0 var(--pad);
  padding-top: env(safe-area-inset-top, 0);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(0.4rem);
  -webkit-backdrop-filter: blur(0.4rem);
  border-bottom: 1px solid rgba(2, 132, 199, 0.08);
}
.sky-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.213rem;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  font-size: 0.427rem;
  letter-spacing: -0.01em;
}
.sky-nav-brand img { width: 0.747rem; height: 0.747rem; border-radius: var(--radius); }
.sky-nav-badge {
  font-size: 0.293rem;
  font-weight: 600;
  color: var(--sky-deep);
  background: var(--sky);
  padding: 0.08rem 0.24rem;
  border-radius: var(--radius-pill);
}

.sky-hero {
  position: relative;
  background: linear-gradient(180deg, var(--sky) 0%, var(--white) 72%);
  border-bottom: 1px solid rgba(2, 132, 199, 0.08);
}
.sky-hero-inner {
  margin-top: -0.2rem;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.213rem;
  padding: 0rem var(--pad) 0.3rem;
  min-height: 5.33rem;
}
.sky-copy { flex: 1; min-width: 0; padding-bottom: 0.107rem; }
.sky-eyebrow {
  display: inline-block;
  font-size: 0.293rem;
  font-weight: 600;
  color: var(--sky-deep);
  background: rgba(255, 255, 255, 0.75);
  padding: 0.053rem 0.24rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.267rem;
  border: 1px solid rgba(2, 132, 199, 0.12);
}
.sky-copy h1 {
  font-size: 0.613rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 0.213rem;
  max-width: 6.4rem;
}
.sky-lead {
  font-size: 0.347rem;
  color: var(--muted);
  line-height: 1.5;
  max-width: 5.87rem;
  margin-bottom: 0.373rem;
}
.sky-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 3.867rem;
  height: 1.067rem;
  padding: 0 0.48rem;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--sky-deep);
  color: #fff;
  font-size: 0.4rem;
  font-weight: 600;
  box-shadow: 0 0.107rem 0.32rem rgba(2, 132, 199, 0.28);
}
.sky-cta:active { background: #0369a1; }
.sky-cta:disabled { background: #94a3b8; box-shadow: none; }
.sky-sub { font-size: 0.32rem; color: var(--muted); margin-top: 0.24rem; }
#metaSize:not(:empty)::before { content: ' · '; }

.sky-phone { flex-shrink: 0; width: 2.667rem; }
.sky-phone-shell {
  border-radius: var(--radius-lg);
  padding: 0.107rem;
  background: linear-gradient(160deg, #e2e8f0 0%, #cbd5e1 100%);
  box-shadow: 0 0.16rem 0.48rem rgba(2, 132, 199, 0.12);
  border: 1px solid rgba(2, 132, 199, 0.12);
}
.sky-phone-shell img {
  display: block;
  width: 100%;
  border-radius: calc(var(--radius-lg) - 0.053rem);
  aspect-ratio: 9 / 19.5;
  object-fit: cover;
  object-position: top;
}

.sky-trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.213rem;
  padding: 0.427rem var(--pad) 0.533rem;
  background: var(--sky-soft);
}
.sky-trust div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 80px;
  text-align: center;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 0 0.16rem;
  border: 1px solid rgba(2, 132, 199, 0.1);
}
.sky-trust strong {
  display: block;
  font-size: 0.427rem;
  font-weight: 700;
  color: var(--sky-deep);
  line-height: 1;
}
.sky-trust span {
  font-size: 0.267rem;
  color: var(--muted);
  line-height: 1.25;
  margin-top: 0.053rem;
}

.sky-section-title {
  font-size: 0.453rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  padding-top: 0.4rem;
  margin-bottom: 0.32rem;
}

.sky-features { padding: 0 var(--pad) 0.533rem; }
.sky-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.213rem;
}
.sky-grid article {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 0.373rem;
  border: 1px solid rgba(2, 132, 199, 0.12);
}
.sky-ico {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 0.853rem;
  height: 0.853rem;
  border-radius: var(--radius);
  background: var(--sky-soft);
  color: var(--sky-deep);
  margin-bottom: 0.213rem;
}
.sky-grid h3 {
  font-size: 0.373rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.053rem;
}
.sky-grid p { font-size: 0.32rem; color: var(--muted); line-height: 1.45; }

.sky-gallery { padding: 0 var(--pad) 0.533rem; background: var(--sky-soft); }
.sky-gallery-hint { font-size: 0.32rem; color: var(--muted); margin: -0.16rem 0 0.293rem; }
.sky-gallery-track {
  display: flex;
  gap: 0.267rem;
  overflow-x: auto;
  margin-right: calc(-1 * var(--pad));
  padding-right: var(--pad);
  padding-bottom: 0.427rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.sky-shot { flex: 0 0 3.2rem; scroll-snap-align: start; text-align: center; }
.sky-frame {
  border-radius: var(--radius-lg);
  padding: 0.107rem;
  background: #fff;
  border: 1px solid rgba(2, 132, 199, 0.15);
  box-shadow: 0 0.053rem 0.213rem rgba(2, 132, 199, 0.08);
}
.sky-frame img { display: block; width: 100%; border-radius: var(--radius); cursor: pointer; }
.sky-shot figcaption { font-size: 0.32rem; color: var(--muted); margin-top: 0.16rem; }

.sky-steps { padding: 0 var(--pad) 0.533rem; }
.sky-steps ol { list-style: none; display: flex; flex-direction: column; gap: 0.213rem; }
.sky-steps li {
  display: flex;
  gap: 0.32rem;
  align-items: flex-start;
  background: var(--sky-soft);
  border-radius: var(--radius-lg);
  padding: 0.373rem;
  border: 1px solid rgba(2, 132, 199, 0.08);
}
.sky-steps li > span {
  flex-shrink: 0;
  width: 0.747rem;
  height: 0.747rem;
  border-radius: 50%;
  background: var(--sky-deep);
  color: #fff;
  font-size: 0.347rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sky-steps b { display: block; font-size: 0.373rem; font-weight: 600; margin-bottom: 0.053rem; }
.sky-steps p { font-size: 0.32rem; color: var(--muted); line-height: 1.45; }

.sky-faq { padding: 0 var(--pad) 0.427rem; }
.sky-faq details {
  background: var(--white);
  border-radius: var(--radius-lg);
  margin-bottom: 0.16rem;
  border: 1px solid rgba(2, 132, 199, 0.12);
  overflow: hidden;
}
.sky-faq summary {
  padding: 0.373rem 0.427rem;
  font-size: 0.373rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.sky-faq summary::-webkit-details-marker { display: none; }
.sky-faq summary::after { content: '+'; float: right; color: var(--sky-deep); font-weight: 600; }
.sky-faq details[open] summary::after { content: '−'; }
.sky-faq p {
  padding: 0 0.427rem 0.373rem;
  font-size: 0.347rem;
  color: var(--muted);
  line-height: 1.5;
}

.sky-foot { padding: 0.32rem var(--pad) 0.64rem; text-align: center; background: #fff; }
.sky-foot > p:first-child { font-size: 0.293rem; color: #94a3b8; line-height: 1.45; margin-bottom: 0.213rem; }
.hint { font-size: 0.32rem; color: var(--muted); }

.preview-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(15, 23, 42, 0.94);
  display: none;
  flex-direction: column;
  touch-action: none;
}
.preview-lightbox.is-open { display: flex; }
body.preview-open { overflow: hidden; }
.preview-lightbox-close {
  position: absolute;
  top: calc(0.32rem + env(safe-area-inset-top, 0));
  right: var(--pad);
  z-index: 2;
  width: 0.853rem;
  height: 0.853rem;
  border: none;
  border-radius: 50%;
  background: #fff;
  color: var(--sky-deep);
  font-size: 0.587rem;
  font-weight: 700;
}
.preview-lightbox-stage { flex: 1; min-height: 0; position: relative; overflow: hidden; }
.preview-lightbox-track { display: flex; height: 100%; transition: transform 0.28s ease-out; }
.preview-lightbox-slide {
  flex: 0 0 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.28rem var(--pad) var(--bottom-bar);
}
.preview-lightbox-slide img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: var(--radius-lg);
}
.preview-lightbox-nav { pointer-events: none; position: absolute; inset: 0; }
.preview-lightbox-btn {
  pointer-events: auto;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 1.067rem;
  height: 1.067rem;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 0.64rem;
  line-height: 1;
}
.preview-lightbox-btn-prev { left: var(--pad); }
.preview-lightbox-btn-next { right: var(--pad); }
.preview-lightbox-pager {
  position: absolute;
  left: 50%;
  bottom: calc(1.067rem + env(safe-area-inset-bottom, 0));
  transform: translateX(-50%);
  color: #fff;
  font-size: 0.373rem;
}

.bottom {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  z-index: 100;
  width: 100%;
  max-width: var(--layout-max);
  padding: 0.26rem var(--pad) !important;
  padding-bottom: calc(0.26rem + env(safe-area-inset-bottom, 0)) !important;
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid rgba(2, 132, 199, 0.12);
  box-shadow: 0 -0.053rem 0.267rem rgba(2, 132, 199, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.107rem;
}
.bottom-meta { font-size: 0.293rem; color: var(--muted); text-align: center; }
.btn-get {
  width: 100%;
  max-width: 9.147rem;
  height: 1.173rem;
  border: none;
  border-radius: var(--radius-lg);
  background: var(--sky-deep);
  color: #fff;
  font-size: 0.427rem;
  font-weight: 600;
  box-shadow: 0 0.107rem 0.32rem rgba(2, 132, 199, 0.3);
}
.btn-get:disabled { background: #cbd5e1; box-shadow: none; }

/* 截图 PNG 已含手机边框 — 关闭 CSS 假机壳/描边 */

.device-frame,
.tvlk-frame,
.mnt-frame,
.sky-frame,
.aur-frame,
.cor-frame,
.ind-frame,
.snd-frame,
.arc-frame,
.fus-frame,
.sh-frame,
.com-frame,
.urg-frame,
.drk-frame,
.frs-frame {
  background: transparent !important;
  padding: 0 !important;
  box-shadow: none !important;
  border: none !important;
  border-radius: 0 !important;
}

.device-frame::before {
  display: none !important;
}

.tvlk-phone-shell,
.mnt-phone-shell,
.sky-phone-shell,
.cor-phone-shell,
.aur-phone-shell {
  padding: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  border: none !important;
  border-radius: 0 !important;
}

.gallery-track .screenshot,
.gallery-track .device-frame img,
.device-frame .screenshot,
.screenshots > .screenshot,
.tvlk-frame img,
.mnt-frame img,
.sky-frame img,
.tvlk-phone-shell img,
.mnt-phone-shell img,
.sky-phone-shell img,
.cor-phone-shell img {
  border: none !important;
  box-shadow: none !important;
  background: transparent !important;
  border-radius: 0 !important;
}

.preview-lightbox-slide img {
  border: none !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}