:root {
  --ink: #14181f;
  --ink-soft: #3a4250;
  --paper: #f3f0ea;
  --paper-deep: #e7e1d6;
  --panel: #fffdf8;
  --accent: #e23b4a;
  --accent-deep: #c22938;
  --teal: #1f8a7a;
  --line: rgba(20, 24, 31, 0.12);
  --shadow: 0 18px 40px rgba(20, 24, 31, 0.12);
  --radius: 18px;
  --max: 1120px;
  --font-display: "Songti SC", "STSong", "Source Han Serif SC", "Noto Serif SC", serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: #f6f2ec;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* 页头：品牌主导，不抢英雄区 */
.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  padding: 1.25rem 0;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: var(--accent);
  color: #fff8f0;
  display: grid;
  place-items: center;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-body);
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.nav a:hover {
  color: var(--accent);
}

.nav-cta {
  color: var(--accent) !important;
  font-weight: 700;
}

/* Hero：PC 端压缩高度，不再占满整屏 */
.hero {
  position: relative;
  display: grid;
  align-items: center;
  padding: 5.5rem 0 2.75rem;
  isolation: isolate;
  min-height: 0;
}

@media (min-width: 901px) {
  .hero {
    padding: 5.25rem 0 2.25rem;
    min-height: 560px;
    max-height: 640px;
  }
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    linear-gradient(105deg, #f7f3ed 0%, #f3eee7 42%, #ebe4dc 58%, #e7d8d4 100%);
}

.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 80% at 78% 42%, rgba(196, 92, 108, 0.18), transparent 62%),
    radial-gradient(ellipse 40% 55% at 18% 70%, rgba(90, 108, 128, 0.08), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, transparent 28%, transparent 72%, rgba(246, 242, 236, 0.9) 100%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: soft-light;
  pointer-events: none;
}

.hero-rail {
  position: absolute;
  top: 0;
  bottom: 0;
  right: clamp(18%, 22vw, 28%);
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(20, 24, 31, 0.08) 20%, rgba(20, 24, 31, 0.08) 80%, transparent);
}

.hero-wash {
  position: absolute;
  top: 12%;
  right: 4%;
  width: min(42vw, 460px);
  height: 76%;
  border-radius: 48% 52% 46% 54% / 42% 48% 52% 58%;
  background:
    radial-gradient(circle at 40% 35%, rgba(255, 255, 255, 0.45), transparent 55%),
    radial-gradient(circle at 55% 60%, rgba(226, 59, 74, 0.16), rgba(90, 70, 90, 0.08) 55%, transparent 75%);
  filter: blur(2px);
  transform: rotate(-6deg);
}

.hero-strip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20, 24, 31, 0.1) 20%, rgba(20, 24, 31, 0.1) 80%, transparent);
}

.hero-stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-stars .star {
  fill: rgba(226, 59, 74, 0.55);
  transform-box: fill-box;
  transform-origin: center;
  animation: twinkle 3.6s ease-in-out infinite;
}

.hero-stars .star.s2 { fill: rgba(90, 108, 128, 0.4); animation-duration: 4.4s; }
.hero-stars .star.s3 { fill: rgba(226, 59, 74, 0.35); animation-duration: 5s; }
.hero-stars .star.s4 { fill: rgba(20, 24, 31, 0.22); animation-duration: 3.2s; }

.header-download {
  display: none;
}

.mobile-download-bar {
  display: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.brand-hero {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: 0.06em;
  animation: rise 0.9s ease both;
}

.hero h1 {
  margin-top: 0.7rem;
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 700;
  line-height: 1.35;
  max-width: 18em;
  animation: rise 0.9s ease 0.12s both;
}

.hero-lead {
  margin-top: 0.85rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 28em;
  animation: rise 0.9s ease 0.22s both;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.35rem;
  animation: rise 0.9s ease 0.32s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3.1rem;
  padding: 0.75rem 1.4rem;
  border-radius: 0.7rem;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1.5px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #fff8f0;
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-ghost {
  background: transparent;
  border-color: var(--ink);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.hero-visual {
  position: relative;
  animation: float-in 1.1s ease 0.2s both;
}

/* iPhone 17 Pro 风格机身 */
.phone {
  --phone-radius: 2.15rem;
  --screen-radius: 1.85rem;
  width: min(100%, 248px);
  margin-left: auto;
  aspect-ratio: 9 / 19.4;
  border-radius: var(--phone-radius);
  background:
    linear-gradient(145deg, #d8d4cf 0%, #a8a39c 28%, #8e8982 52%, #c5c0b8 78%, #ece8e2 100%);
  padding: 0.42rem;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.55) inset,
    0 -1px 0 rgba(0, 0, 0, 0.18) inset,
    0 22px 48px rgba(20, 24, 31, 0.22),
    0 6px 14px rgba(20, 24, 31, 0.12);
  position: relative;
  overflow: visible;
}

.phone::before {
  content: "";
  position: absolute;
  inset: 0.18rem;
  border-radius: calc(var(--phone-radius) - 0.12rem);
  background: #0b0d10;
  z-index: 0;
  pointer-events: none;
}

.phone-side {
  position: absolute;
  background: linear-gradient(180deg, #c9c4bc, #8f8a83 45%, #b7b2aa);
  border-radius: 2px;
  z-index: 2;
  box-shadow: 0 0 0 0.5px rgba(0, 0, 0, 0.2);
}

.phone-side.silent {
  left: -2px;
  top: 18%;
  width: 2px;
  height: 4.5%;
  border-radius: 2px 0 0 2px;
}

.phone-side.vol-up {
  left: -2px;
  top: 26%;
  width: 2px;
  height: 7%;
  border-radius: 2px 0 0 2px;
}

.phone-side.vol-down {
  left: -2px;
  top: 35%;
  width: 2px;
  height: 7%;
  border-radius: 2px 0 0 2px;
}

.phone-side.power {
  right: -2px;
  top: 30%;
  width: 2px;
  height: 10%;
  border-radius: 0 2px 2px 0;
}

.phone-screen {
  height: 100%;
  border-radius: var(--screen-radius);
  overflow: hidden;
  background: #0b0d10;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}

.dynamic-island {
  position: absolute;
  top: 0.72rem;
  left: 50%;
  transform: translateX(-50%);
  width: 34%;
  height: 1.05rem;
  border-radius: 999px;
  background: #000;
  z-index: 5;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45);
}

.dynamic-island::after {
  content: "";
  position: absolute;
  right: 0.42rem;
  top: 50%;
  transform: translateY(-50%);
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #2a3348 0%, #0a0c12 70%);
  box-shadow: 0 0 0 1px rgba(80, 100, 140, 0.25);
}

.phone-carousel {
  position: absolute;
  inset: 0;
}

.phone-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.55s ease;
  pointer-events: none;
}

.phone-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.phone-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.phone-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(20, 24, 31, 0.45));
  pointer-events: none;
}

.phone-caption {
  position: absolute;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 2.25rem;
  z-index: 2;
  color: #fff8f0;
  font-size: 0.85rem;
  font-weight: 700;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.phone-home {
  position: absolute;
  left: 50%;
  bottom: 0.42rem;
  transform: translateX(-50%);
  width: 28%;
  height: 0.22rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  z-index: 5;
  pointer-events: none;
}

.phone-slide.is-active .phone-caption {
  opacity: 1;
}

.phone-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.65rem;
  z-index: 4;
  display: flex;
  justify-content: center;
  gap: 0.35rem;
}

.phone-dots button {
  width: 1.65rem;
  height: 1.65rem;
  border: 0;
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  background: transparent;
  position: relative;
  transition: transform 0.2s ease;
}

.phone-dots button::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 248, 240, 0.4);
  transition: background 0.2s ease, transform 0.2s ease, width 0.2s ease;
}

.phone-dots button.is-active::after {
  background: #fff8f0;
  width: 0.85rem;
  border-radius: 999px;
}

/* 区块通用 */
section {
  padding: 5rem 0;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: 0.03em;
}

.section-head p {
  margin-top: 0.75rem;
  color: var(--ink-soft);
}

.content-block {
  border-top: 1px solid var(--line);
}

.prose {
  max-width: 46rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.prose p + p {
  margin-top: 0.9rem;
}

.prose strong {
  color: var(--ink);
  font-weight: 700;
}

.update-list {
  list-style: none;
  display: grid;
  gap: 1rem;
  margin-top: 0.25rem;
}

.update-list li {
  padding-left: 0;
  border-left: 2px solid var(--accent);
  padding: 0.15rem 0 0.15rem 1rem;
}

.update-list time {
  display: block;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.update-list p {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.notice {
  margin-top: 1.25rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  background: rgba(226, 59, 74, 0.05);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* 亮点：编辑式分栏，顶线 + 编号，避免厚重卡片感 */
.features {
  border-block: 1px solid var(--line);
  background:
    linear-gradient(180deg, #fffdf8 0%, #f5f1ea 100%);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature {
  position: relative;
  padding: 1.35rem 0.15rem 0.35rem;
  border-top: 2px solid var(--ink);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.feature::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 2.75rem;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.feature:hover {
  border-top-color: var(--accent);
  transform: translateY(-2px);
}

.feature:hover::before {
  width: 100%;
}

.feature:last-child,
.feature:nth-child(2) {
  padding-inline: 0;
  border-right: 0;
}

.feature-index {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent);
  line-height: 1;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(226, 59, 74, 0.35);
  background: rgba(226, 59, 74, 0.06);
}

.feature h3 {
  margin-top: 1rem;
  font-size: 1.2rem;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.feature p {
  margin-top: 0.65rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.7;
  max-width: 28em;
}

/* 作品氛围区：真实视觉锚点 */
.catalog {
  position: relative;
}

.shelf {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}

.cover {
  aspect-ratio: 3 / 4.2;
  border-radius: 0.4rem;
  border: 2px solid var(--ink);
  position: relative;
  overflow: hidden;
  background: var(--paper-deep);
  transition: transform 0.35s ease;
}

.cover:hover {
  transform: translateY(-6px) rotate(-1deg);
}

.cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cover span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 2.2rem 0.7rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff8f0;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
  background: linear-gradient(180deg, transparent, rgba(20, 24, 31, 0.72));
  pointer-events: none;
}

.cover figcaption {
  margin: 0;
}

/* 下载区 */
.download {
  background:
    linear-gradient(135deg, rgba(226, 59, 74, 0.08), transparent 40%),
    linear-gradient(180deg, var(--paper-deep), var(--paper));
}

.download-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.download h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  letter-spacing: 0.03em;
}

.download p {
  margin-top: 0.75rem;
  color: var(--ink-soft);
  max-width: 34em;
}

.store-list {
  display: grid;
  gap: 0.75rem;
}

.store {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: 1.5px solid var(--ink);
  border-radius: 0.75rem;
  background: var(--panel);
  transition: background 0.2s ease, color 0.2s ease;
}

.store:hover {
  background: var(--ink);
  color: var(--paper);
}

.store strong {
  display: block;
  font-size: 1rem;
}

.store small {
  color: inherit;
  opacity: 0.7;
  font-size: 0.8rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: 1.5rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.meta-row strong {
  color: var(--ink);
  font-weight: 700;
}

/* FAQ */
.faq-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
}

summary {
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-size: 1.35rem;
  color: var(--accent);
  font-weight: 400;
  line-height: 1;
}

details[open] summary::after {
  content: "–";
}

details p {
  margin-top: 0.7rem;
  color: var(--ink-soft);
  max-width: 48rem;
}

/* 页脚 */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.25rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a:hover {
  color: var(--accent);
}

.copyright {
  margin-top: 1.5rem;
}

.back-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 50;
  width: 2.75rem;
  height: 2.75rem;
  border: 1.5px solid var(--ink);
  border-radius: 0.7rem;
  background: var(--panel);
  color: var(--ink);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff8f0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(28px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.35; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1); }
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .header-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.4rem;
    padding: 0.45rem 0.95rem;
    border-radius: 0.65rem;
    background: var(--accent);
    color: #fff8f0 !important;
    font-size: 0.88rem;
    font-weight: 700;
  }

  .site-header {
    position: sticky;
    top: 0;
    background: rgba(246, 242, 236, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
    padding: 0.7rem 0;
  }

  .hero {
    max-height: none;
    min-height: 0;
    padding: 1.25rem 0 1.5rem;
    align-items: start;
  }

  .hero-rail,
  .hero-strip {
    display: none;
  }

  .hero-wash {
    top: auto;
    bottom: -8%;
    right: 50%;
    transform: translateX(50%) rotate(0deg);
    width: 90vw;
    height: 55%;
    opacity: 0.9;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .hero-copy {
    order: 1;
  }

  .hero-visual {
    order: 2;
  }

  .hero h1 {
    max-width: none;
    font-size: 1.2rem;
  }

  .hero-lead {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  .cta-row {
    margin-top: 1.1rem;
  }

  .btn {
    min-height: 3.25rem;
    font-size: 1rem;
  }

  .phone {
    margin-inline: auto;
    width: min(100%, 200px);
    --phone-radius: 1.9rem;
    --screen-radius: 1.65rem;
  }

  .dynamic-island {
    top: 0.58rem;
    height: 0.92rem;
    width: 36%;
  }

  .feature-list {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .feature,
  .feature:nth-child(2),
  .feature:last-child {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 0.9rem;
    row-gap: 0.25rem;
    align-items: start;
    border-right: 0;
    border-bottom: 0;
    border-top: 2px solid var(--ink);
    padding: 1.15rem 0 1rem;
  }

  .feature-index {
    grid-row: 1 / span 2;
    align-self: start;
    margin-top: 0.15rem;
  }

  .feature h3 {
    margin-top: 0;
    font-size: 1.08rem;
  }

  .feature p {
    margin-top: 0;
    grid-column: 2;
  }

  .shelf {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.35rem;
    margin-inline: -0.25rem;
    padding-inline: 0.25rem;
  }

  .shelf .cover {
    flex: 0 0 38%;
    max-width: 150px;
    scroll-snap-align: start;
    display: block;
  }

  .shelf .cover:nth-child(n + 4) {
    display: block;
  }

  .download-panel {
    grid-template-columns: 1fr;
  }

  .mobile-download-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    gap: 0.65rem;
    padding: 0.7rem 1rem calc(0.7rem + env(safe-area-inset-bottom));
    background: rgba(246, 242, 236, 0.96);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(12px);
  }

  .mobile-download-bar .btn {
    flex: 1;
    width: auto;
    min-height: 3rem;
  }

  .back-top {
    right: 0.9rem;
    bottom: calc(4.6rem + env(safe-area-inset-bottom));
    width: 2.55rem;
    height: 2.55rem;
  }

  .site-footer,
  #faq {
    padding-bottom: 5.5rem;
  }
}

@media (max-width: 520px) {
  .wrap {
    width: min(100% - 1.25rem, var(--max));
  }

  .brand-hero {
    font-size: 2.55rem;
  }

  .cta-row {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-stars .star {
    animation-duration: 2.8s;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}