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

body {
  margin: 0;
  min-width: 320px;
  background: #e8eaed;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #222;
}

/* 全宽 Web 页面，内容区居中 */
.site {
  width: 100%;
  max-width: none;
  margin: 0;
  min-height: 100vh;
  background: #fff;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  /* padding-left: clamp(16px, 4vw, 40px); */
  /* padding-right: clamp(16px, 4vw, 40px); */
}

.wrap--media {
  /* max-width: 960px; */
}

.wrap--footer {
  /* max-width: 960px; */
  padding-top: 8px;
  padding-bottom: 8px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* —— Hero —— */
.hero {
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(125deg, #6ec1ff 0%, #bfe0ff 30%, #ffe8f3 72%, #ffc2df 100%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: min(420px, 42vw);
  height: min(480px, 48vw);
  left: clamp(4%, 8vw, 12%);
  top: clamp(72px, 14vw, 120px);
  background: radial-gradient(
    ellipse at center,
    rgba(255, 105, 160, 0.5) 0%,
    rgba(255, 105, 160, 0.2) 42%,
    transparent 70%
  );
  transform: rotate(-14deg);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(28px, 5vw, 56px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding: clamp(16px, 2.5vw, 28px) 0 clamp(8px, 1.5vw, 16px);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.nav__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: #e53935;
  flex-shrink: 0;
}

.nav__title {
  font-size: clamp(16px, 1.4vw, 20px);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

.nav__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px clamp(16px, 2.5vw, 36px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  color: #fff;
  font-size: clamp(13px, 1.1vw, 16px);
  text-decoration: none;
  opacity: 0.96;
  white-space: nowrap;
}

.nav__links a:hover {
  opacity: 1;
  text-decoration: underline;
}

.hero__body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(24px, 5vw, 80px);
  padding: clamp(12px, 2vw, 28px) 0 clamp(20px, 3vw, 48px);
}

.hero__phone-wrap {
  flex: 0 0 auto;
  width: clamp(220px, 26vw, 340px);
}

.hero__phone {
  display: block;
  width: 100%;
  height: auto;
  border-radius: clamp(22px, 2.5vw, 32px);
 
}

.hero__copy {
  flex: 1;
  min-width: 0;
  max-width: 560px;
  padding-top: 8px;
}

.hero__headline {
  margin: 0 0 clamp(12px, 1.5vw, 20px);
  font-size: clamp(26px, 3.2vw, 42px);
  line-height: 1.2;
  font-weight: 700;
  color: #6ec1ff ;
  /* text-shadow: 0 1px 4px rgba(0, 0, 0, 0.18); */
  /* text-shadow: 0px 0px 15px rgba(0,150,255,0.54); */
}

.hero__lead {
  margin: 0 0 clamp(16px, 2vw, 24px);
  font-size: clamp(14px, 1.25vw, 17px);
  line-height: 1.65;
  color: #6ec1ff ;
  opacity: 0.98;
}

.hero__stores {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.store-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: clamp(92px, 9vw, 112px);
  height: clamp(92px, 9vw, 112px);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  text-decoration: none;
  color: #222;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  box-shadow: 0px 0px 15px 0px rgba(0,150,255,0.54);
  margin-right: 20px;
}

.store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
}

.store-btn__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #111;
}

.store-btn__icon--android {
  color: #1a73e8;
}

.store-btn__label {
  margin-top: 8px;
  font-size: clamp(11px, 1vw, 13px);
  font-weight: 500;
}

/* —— Collage —— */
.collage {
  background: #fff;
  padding: clamp(16px, 3vw, 40px) 0;
}

.collage__img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

/* —— Banner —— */
.banner {
  position: relative;
  background: linear-gradient(180deg, #fce4ec 0%, #e3f2fd 100%);
  /* padding: clamp(16px, 3vw, 40px) 0; */
}

.banner__frame {
  position: relative;
  margin: 0 auto;
  line-height: 0;
}

.banner__art {
  display: block;
  width: 100%;
  height: auto;
}

.banner__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10% 8%;
  pointer-events: none;
  margin-top: 20%;
}

.banner__title {
  margin: 0 0 clamp(12px, 2vw, 20px);
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.banner__title-sm {
  display: block;
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.banner__title-lg {
  display: block;
  margin-top: 6px;
  font-size: clamp(16px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  max-width: 22em;
}

.banner__btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 36px;
  border-radius: 999px;
  background: #1e88e5;
  color: #fff;
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(30, 136, 229, 0.45);
}

.banner__btn:hover {
  background: #1976d2;
}

.banner__btn-icon {
  flex-shrink: 0;
}

/* —— Features —— */
.features {
  padding: clamp(16px, 3vw, 40px) 0 clamp(24px, 4vw, 48px);
}

.features__strip {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
}

/* —— Footer —— */
.footer {
  padding: clamp(28px, 4vw, 40px) 0 clamp(32px, 5vw, 48px);
  text-align: center;
  background: linear-gradient(180deg, #ffffff 0%, #fff8fb 45%, #fce4ec 100%);
}

.footer__line {
  margin: 0 0 10px;
  font-size: clamp(13px, 1.2vw, 15px);
  color: #333;
  line-height: 1.5;
}

.footer__line--small {
  margin: 0;
  font-size: clamp(11px, 1vw, 13px);
  color: #555;
  line-height: 1.65;
}

/* 窄屏：恢复纵向堆叠，便于小窗口浏览 */
@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
  }

  .hero__body {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .hero__phone-wrap {
    width: min(280px, 86vw);
  }

  .hero__copy {
    max-width: none;
  }

  .hero__stores {
    justify-content: center;
  }
}