jiapu/public/css/app.css

.app-hero .container {
  min-height: 500px;
  padding-top: 74px;
  padding-bottom: 74px;
}

.hero-copy {
  position: relative;
  padding-left: 28px;
}

.hero-copy:before {
  content: "";
  position: absolute;
  left: 0;
  top: 58px;
  width: 4px;
  height: 132px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--red), var(--gold));
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.app-stats {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.app-stats span {
  padding: 10px 14px;
  border: 1px solid rgba(224, 211, 189, .78);
  border-radius: 999px;
  color: #6d766f;
  background: rgba(255,253,248,.74);
  box-shadow: 0 14px 32px rgba(72, 57, 38, .06);
  font-weight: 800;
  transition: transform .22s ease, color .22s ease, background .22s ease;
}

.app-stats span:hover {
  color: #fff;
  background: var(--green);
  transform: translateY(-3px);
}

.app-shot-wrap {
  position: relative;
  min-height: 390px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(200,59,50,.12), transparent 24%),
    radial-gradient(circle at 80% 24%, rgba(71,111,99,.16), transparent 30%),
    linear-gradient(135deg, #f7efe2, #edf4ef);
}

.app-shot-wrap:before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px solid rgba(224, 211, 189, .62);
  border-radius: 22px;
  pointer-events: none;
}

.app-orbit {
  position: absolute;
  right: 64px;
  top: 44px;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: rgba(196, 146, 69, .18);
  animation: appOrbit 4.2s ease-in-out infinite;
}

.phone-shot {
  position: relative;
  z-index: 2;
  width: 185px;
  height: 380px;
  object-fit: cover;
  object-position: top center;
  border: 8px solid #252b28;
  border-radius: 28px;
  box-shadow: 0 26px 60px rgba(33, 28, 22, .2);
  transition: transform .3s ease, box-shadow .3s ease;
}

.phone-shot.first {
  animation: phoneFloatA 4s ease-in-out infinite;
}

.phone-shot.second {
  transform: translateY(28px);
  animation: phoneFloatB 4s ease-in-out infinite;
}

.app-shot-wrap:hover .phone-shot {
  box-shadow: 0 34px 70px rgba(33, 28, 22, .26);
}

.app-feature-section {
  position: relative;
  overflow: hidden;
}

.app-feature-section:before {
  content: "";
  position: absolute;
  left: 50%;
  top: 58px;
  width: 520px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 146, 69, .09), transparent 68%);
  transform: translateX(-50%);
}

.app-feature-card {
  min-height: 190px;
  position: relative;
  overflow: hidden;
}

.app-feature-card:after {
  content: "";
  position: absolute;
  left: -42%;
  top: 0;
  width: 36%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.54), transparent);
  transform: skewX(-18deg);
  transition: left .56s ease;
}

.app-feature-card:hover:after {
  left: 112%;
}

.app-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--red);
  background: #f7e4dc;
  font-family: "SimSun", "Songti SC", serif;
  font-size: 22px;
  font-weight: 900;
  transition: transform .26s ease, background .26s ease, color .26s ease;
}

.app-feature-card:hover .app-icon {
  color: #fff;
  background: var(--red);
  transform: rotate(-6deg) scale(1.08);
}

.app-promotion-section {
  /* 应用推广列表承载后端推广内容，不在 JS 中写样式 */
  background: #fffdf8;
}

.promotion-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.promotion-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf0;
  box-shadow: 0 18px 42px rgba(57, 48, 36, .08);
  transition: transform .24s ease, border-color .24s ease, box-shadow .24s ease;
}

.promotion-card:hover {
  border-color: rgba(196, 146, 69, .42);
  box-shadow: 0 24px 54px rgba(57, 48, 36, .12);
  transform: translateY(-4px);
}

.promotion-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  background: #f3eadc;
}

.promotion-card div {
  padding: 18px;
}

.promotion-card h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 22px;
}

.promotion-card p {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.75;
}

.promotion-card span {
  color: var(--red);
  font-weight: 900;
}

.tilt-card {
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(var(--lift, 0));
  transition: transform .18s ease, box-shadow .24s ease, border-color .24s ease;
}

.tilt-card:hover {
  --lift: -6px;
}

@keyframes phoneFloatA {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-8px) rotate(1deg); }
}

@keyframes phoneFloatB {
  0%, 100% { transform: translateY(28px) rotate(1deg); }
  50% { transform: translateY(18px) rotate(-1deg); }
}

@keyframes appOrbit {
  0%, 100% { opacity: .5; transform: scale(.92); }
  50% { opacity: 1; transform: scale(1.08); }
}

@media (max-width: 720px) {
  .hero-copy { padding-left: 0; }
  .hero-copy:before { display: none; }
  .phone-shot.second { display: none; }
  .promotion-list { grid-template-columns: 1fr; }
}