.classic-product-detail-body {
  background: #e8eef5;
}

.classic-product-detail-body .phone-home-header {
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 8px 30px rgba(20, 57, 89, .08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.classic-product-detail {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  overflow: hidden;
  color: #1d2233;
  background: var(--classic-page, #eef7ff);
}

.classic-product-detail *,
.classic-product-detail *::before,
.classic-product-detail *::after {
  box-sizing: border-box;
}

.classic-product-inner {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  padding-inline: clamp(16px, 4.27vw, 32px);
}

.classic-product-hero {
  position: relative;
  min-height: clamp(510px, 118vw, 650px);
  overflow: hidden;
  isolation: isolate;
  background: #09284f;
}

.classic-product-hero-background,
.classic-product-hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.classic-product-hero-background {
  z-index: -2;
  object-fit: cover;
  object-position: center;
}

.classic-product-hero-shade {
  z-index: -1;
  background:
    radial-gradient(circle at 50% 76%, rgba(0, 143, 255, .28), transparent 42%),
    linear-gradient(180deg, rgba(4, 20, 48, .56), rgba(5, 29, 65, .88));
}

.classic-product-hero-content {
  display: flex;
  min-height: clamp(510px, 118vw, 650px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: clamp(96px, 18vw, 126px);
  padding-bottom: clamp(42px, 10vw, 72px);
  color: #fff;
  text-align: center;
}

.classic-product-hero h1 {
  margin: 0;
  font-size: clamp(38px, 10.67vw, 72px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.045em;
}

.classic-product-hero-subtitle {
  margin: 12px 0 0;
  font-size: clamp(20px, 5.6vw, 38px);
  font-weight: 300;
  line-height: 1.4;
  letter-spacing: .08em;
}

.classic-product-industry {
  width: min(100%, 620px);
  margin-top: clamp(42px, 12vw, 76px);
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 12px;
  background: rgba(255, 255, 255, .10);
  box-shadow: inset 0 1px rgba(255, 255, 255, .16);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.classic-product-industry strong {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #8ed2ff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .16em;
}

.classic-product-industry p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, .86);
  font-size: clamp(14px, 3.73vw, 20px);
  line-height: 1.65;
}

.classic-product-section {
  padding: clamp(48px, 11vw, 82px) 0;
}

.classic-product-section-heading {
  margin-bottom: clamp(28px, 7vw, 48px);
  text-align: center;
}

.classic-product-section-heading > span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--classic-accent, #0068eb);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .18em;
  background-color: color-mix(in srgb, currentColor 10%, transparent);
  padding: clamp(4px, 1.2vw, 8px) 10px;
  border-radius: 16px;
}

.classic-product-section-heading h2 {
  max-width: 650px;
  margin: 0 auto;
  color: #1d2233;
  font-size: clamp(20px, 6.16vw, 28px);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -.035em;
}

.classic-product-advantages {
  background: #fff;
}

.classic-product-advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(8px, 2.4vw, 18px);
}

.classic-product-advantage-grid article {
  min-width: 0;
  padding: clamp(18px, 4.8vw, 34px) clamp(8px, 2.4vw, 18px);
  border: 1px solid rgba(0, 143, 255, .10);
  border-radius: 12px;
  background: linear-gradient(180deg, #f7fbff, #edf7ff);
  box-shadow: 0 14px 32px rgba(20, 83, 135, .08);
  text-align: center;
}

.classic-product-advantage-grid img {
  display: block;
  width: clamp(56px, 16.411vw, 80px);
  height: clamp(56px, 16.411vw, 80px);
  margin: 0 auto;
  object-fit: contain;
}

.classic-product-advantage-grid p {
  margin: 16px 0 0;
  color: #31455e;
  font-size: clamp(14px, 3.47vw, 18px);
  font-weight: 500;
  line-height: 1.55;
}

.classic-product-operations {
  background: var(--classic-page, #eef7ff);
}

.classic-product-operation-list {
  display: grid;
  gap: clamp(18px, 4.8vw, 32px);
}

.classic-product-operation-list article {
  overflow: hidden;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 20px 54px rgba(29, 71, 110, .10);
}

.classic-product-operation-list img {
  display: block;
  width: 100%;
  aspect-ratio: 1080 / 525;
  object-fit: cover;
}

.classic-product-operation-list article > div {
  padding: clamp(22px, 5.6vw, 40px);
}

.classic-product-operation-list h3,
.classic-product-evolution-list h3 {
  margin: 0;
  color: #1d2233;
  font-size: clamp(16px, 4.62vw, 22px);
  font-weight: 500;
  line-height: 1.5;
}

.classic-product-operation-list p,
.classic-product-evolution-list p {
  margin: 12px 0 0;
  color: #60748b;
  font-size: clamp(14px, 3.73vw, 18px);
  line-height: 1.8;
}

.classic-product-evolution {
  padding-bottom: clamp(96px, 20vw, 144px);
  background: linear-gradient(180deg, #fff, #f4f9fd);
}

.classic-product-evolution-list {
  display: grid;
  gap: 14px;
}

.classic-product-evolution-list article {
  display: grid;
  grid-template-columns: clamp(48px, 13vw, 76px) minmax(0, 1fr);
  gap: clamp(14px, 4vw, 28px);
  align-items: start;
  padding: clamp(20px, 5.33vw, 38px);
  border: 1px solid #e1edf7;
  border-radius: 12px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 36px rgba(21, 68, 107, .07);
}

.classic-product-evolution-number {
  color: rgba(0, 143, 255, .22);
  font-size: clamp(30px, 8vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.06em;
}

.classic-product-evolution-list article > div > span {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--classic-accent, #008fff);
  background: rgba(0, 143, 255, .09);
  font-size: 14px;
  line-height: 1.4;
}

@media (min-width: 640px) {
  .classic-product-operation-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 359px) {
  .classic-product-inner {
    padding-inline: 12px;
  }

  .classic-product-advantage-grid {
    gap: 6px;
  }

  .classic-product-advantage-grid article {
    padding-inline: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .classic-product-detail * {
    scroll-behavior: auto !important;
  }
}