:root {
  --page-bg: #03028c;
  --hero-bg: #050486;
  --browser-bg: #5253df;
  --card-bg: #f7fafa;
  --text-dark: #1e2327;
  --text-body: #191919;
  --cyan: #2cc9c8;
  --lavender: #dadbff;
  --shadow-soft: 0 0.8vw 1.6vw rgba(0, 0, 0, 0.16);
  --shadow-card: 0 0.8vw 1.2vw rgba(201, 183, 183, 0.25);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--page-bg);
}

body {
  color: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  overflow-x: hidden;
}

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

.page {
  width: 100%;
  overflow: hidden;
  background: var(--page-bg);
}

.hero,
.browser,
.explore {
  position: relative;
  width: 100%;
}

.hero {
  min-height: 54.22vw;
  background: var(--hero-bg);
}

.hero__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 93.83vw;
  height: 54.22vw;
  object-fit: cover;
}

.hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 12.35vw 7.2vw 0vw;
}

.hero__title {
  font-weight: 800;
  letter-spacing: 0.15vw;
  line-height: 1.08;
}

.hero__title p {
  margin: 0;
  text-shadow: 0 0.4vw 1vw rgba(0, 0, 0, 0.15);
}

.hero__title p:first-child {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
}

.hero__title p:last-child {
  margin-top: 0.4vw;
  font-size: clamp(1.75rem, 6vw, 3rem);
}

.hero__points {
  margin: 6.4vw 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.25vw;
}

.hero__points li {
  display: flex;
  align-items: center;
  gap: 2.8vw;
  font-size: clamp(1rem, 3.8vw, 1.5rem);
  line-height: 1.2;
}

.hero__points img {
  width: 2.7vw;
  min-width: 18px;
  max-width: 24px;
}

.browser {
  background: var(--browser-bg);
  padding-bottom: 9vw;
}

.browser__showcase {
  position: relative;
  min-height: 72vw;
  padding: 3vw 0 0;
}

.browser__showcase-bg {
  position: absolute;
  top: 12.7vw;
  left: 1.2vw;
  width: 97.8vw;
}

.browser__phone {
  position: relative;
  z-index: 2;
  width: 43.25vw;
  margin-left: 3.9vw;
  border-radius: 7.6vw;
}

.browser__showcase-copy {
  position: absolute;
  top: 42vw;
  right: 4.2vw;
  z-index: 3;
  width: 44.5vw;
  font-weight: 800;
  line-height: 1.1;
}

.browser__showcase-copy p {
  margin: 0;
  text-shadow: 0 0.4vw 1vw rgba(0, 0, 0, 0.15);
}

.browser__showcase-copy p:first-child {
  font-size: clamp(1.2rem, 4.4vw, 2rem);
}

.browser__showcase-copy p:last-child {
  margin-top: 1vw;
  font-size: clamp(1.6rem, 6.2vw, 3rem);
}

.browser__wave {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: -5vw;
}

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

.feature-list {
  position: relative;
  z-index: 2;
  margin-top: -2vw;
  padding: 0 5.9vw;
}

.feature-card {
  position: relative;
  background: #fff;
  border-radius: 8vw;
  margin-top: 8vw;
  padding: 10vw 6vw 6.5vw;
  color: var(--text-body);
  box-shadow: var(--shadow-soft);
}

.feature-card img {
  position: absolute;
  top: -6vw;
  left: 6vw;
  width: 12vw;
  height: 12vw;
}

.feature-card h2,
.feature-card p {
  margin: 0;
}

.feature-card h2 {
  font-size: clamp(1rem, 4.4vw, 1.4rem);
  line-height: 1.2;
  font-weight: 800;
  color: var(--text-body);
}

.feature-card p {
  margin-top: 3.5vw;
  font-size: clamp(0.95rem, 3.85vw, 1.25rem);
  line-height: 1.55;
  color: #000;
}

.privacy {
  padding: 18vw 5vw 6vw;
  text-align: center;
}

.privacy h2,
.privacy p {
  margin: 0;
}

.privacy h2 {
  font-size: clamp(1.7rem, 6vw, 2.9rem);
  font-weight: 800;
  line-height: 1.2;
}

.privacy__image {
  width: 63.55vw;
  margin: 8vw auto 9vw;
}

.privacy p {
  font-size: clamp(1rem, 3.9vw, 1.35rem);
  line-height: 1.7;
}

.explore {
  padding: 8.7vw 2.75vw 12vw;
  background: var(--page-bg);
}

.explore__header {
  text-align: center;
}

.explore__header h2,
.explore__header p {
  margin: 0;
}

.explore__header h2 {
  position: relative;
  display: inline-block;
  padding: 0 1vw;
  font-size: clamp(1.6rem, 6vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
}

.explore__header h2::after {
  content: "";
  position: absolute;
  left: 15%;
  right: 15%;
  bottom: 0.35em;
  height: 0.5em;
  z-index: -1;
  border-radius: 999px;
  background: linear-gradient(90deg, #5153df 0%, #6dd1d2 40%, #9c56b6 100%);
}

.explore__header p {
  margin-top: 6vw;
  padding: 0 8vw;
  font-size: clamp(1rem, 3.5vw, 1.35rem);
  line-height: 1.6;
}

.explore__cards {
  margin-top: 9vw;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 4vw;
  background: var(--card-bg);
  border-radius: 8vw;
  padding: 4vw 3.2vw;
  color: var(--text-dark);
  box-shadow: var(--shadow-card);
}

.info-card + .info-card {
  margin-top: 5vw;
}

.info-card img {
  width: 48.5%;
  border-radius: 4vw;
}

.info-card--reverse {
  flex-direction: row-reverse;
}

.info-card__copy {
  flex: 1;
}

.info-card__copy h3,
.info-card__copy p {
  margin: 0;
}

.info-card__copy h3 {
  font-size: clamp(1.1rem, 4.7vw, 1.5rem);
  line-height: 1.2;
  font-weight: 800;
}

.info-card__copy p {
  margin-top: 2.8vw;
  font-size: clamp(0.95rem, 3.7vw, 1.2rem);
  line-height: 1.55;
}

.reviews {
  margin-top: 9vw;
}

.reviews h2 {
  margin: 0 0 6vw;
  text-align: center;
  font-size: clamp(1.7rem, 6vw, 2.9rem);
  font-weight: 800;
  line-height: 1.1;
}

.reviews__grid {
  display: flex;
  gap: 2vw;
  align-items: flex-end;
}

.review {
  flex: 1;
  background: #fff;
  border: 0.26vw solid var(--cyan);
  border-radius: 5.2vw;
  box-shadow: var(--shadow-soft);
  color: #000;
  padding: 4.5vw 3vw 4vw;
  text-align: center;
}

.review img {
  width: 50%;
  margin: 0 auto;
}

.review h3,
.review p {
  margin: 0;
}

.review h3 {
  font-size: clamp(0.78rem, 2.95vw, 1.05rem);
  line-height: 1.15;
  font-weight: 700;
}

.review p {
  margin-top: 0vw;
  font-size: clamp(0.78rem, 2.95vw, 1rem);
  line-height: 1.45;
  color: var(--text-body);
}

.review--short {
  padding-top: 6vw;
  min-height: 31vw;
}

.review--tall {
  min-height: 37.7vw;
  border-radius: 5.4vw;
}

@media (min-width: 768px) {
  body {
    background:
      linear-gradient(var(--page-bg), var(--page-bg)) center/100% 100% no-repeat;
  }

  .page {
    max-width: 430px;
    margin: 0 auto;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.2);
  }

  .hero__bg,
  .hero,
  .browser__showcase-bg,
  .browser__phone,
  .privacy__image {
    max-width: none;
  }
}