.page-products {
  --plat-shadow-strong: 0 16px 44px rgba(27, 58, 107, 0.16);
  --plat-window-radius: 20px;
  overflow-x: hidden;
  background: var(--c-bg);
  color: var(--c-text);
}

/* ===== 首屏框景 · 平台总览 ===== */
.page-products .plat-hero {
  position: relative;
  padding: 20px 0 44px;
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 209, 0, 0.42), transparent 40%),
    linear-gradient(135deg, #fff7e6 0%, #ffefd1 55%, #ffe7b3 100%);
  overflow: hidden;
}
.page-products .plat-hero::before {
  content: "";
  position: absolute;
  right: -48px;
  bottom: -48px;
  width: 160px;
  height: 160px;
  border-radius: 44px;
  background: var(--c-primary);
  opacity: 0.16;
  transform: rotate(24deg);
  pointer-events: none;
}
.page-products .plat-hero::after {
  content: "";
  position: absolute;
  top: 28px;
  left: -20px;
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: var(--c-secondary);
  opacity: 0.28;
  transform: rotate(-10deg);
  pointer-events: none;
}
.page-products .plat-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 22px;
}
.page-products .plat-hero__copy {
  max-width: 620px;
}
.page-products .plat-hero__accent {
  position: relative;
  display: inline-block;
  color: var(--c-primary);
}
.page-products .plat-hero__accent::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: 4px;
  height: 10px;
  background: rgba(255, 209, 0, 0.42);
  z-index: -1;
  border-radius: 4px;
}
.page-products .plat-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.page-products .plat-hero__tags li {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  font-family: var(--font-num);
  color: var(--c-accent);
  letter-spacing: 0.02em;
  box-shadow: 0 2px 8px rgba(30, 20, 10, 0.04);
}
.page-products .plat-hero__stats {
  display: flex;
  gap: 36px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(27, 58, 107, 0.14);
}
.page-products .plat-hero__visual {
  position: relative;
}
.page-products .plat-hero__visual::before {
  content: "";
  position: absolute;
  top: -14px;
  right: -8px;
  width: 76px;
  height: 76px;
  border-radius: 18px;
  background: var(--c-secondary);
  opacity: 0.74;
  z-index: 0;
  transform: rotate(11deg);
}
.page-products .browser-frame {
  position: relative;
  z-index: 1;
  background: var(--c-white);
  border-radius: var(--plat-window-radius);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(230, 220, 205, 0.9);
  overflow: hidden;
}
.page-products .browser-frame__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #f5f2ec;
  border-bottom: 1px solid var(--c-border);
}
.page-products .browser-frame__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}
.page-products .browser-frame__dot--red { background: #ff5f57; }
.page-products .browser-frame__dot--yellow { background: #ffbd2e; }
.page-products .browser-frame__dot--green { background: #28c840; }
.page-products .browser-frame__url {
  margin-left: auto;
  margin-right: auto;
  font-size: 12px;
  color: #9a9287;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 8px;
  padding: 3px 16px;
  letter-spacing: 0.04em;
}
.page-products .browser-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ===== 核心功能详解 ===== */
.page-products .plat-features {
  padding: 48px 0 52px;
}
.page-products .plat-features__head {
  max-width: 680px;
}
.page-products .plat-features__lead {
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.7;
  color: #6a645c;
}
.page-products .plat-features .filter-bar {
  margin-top: 26px;
}
.page-products .plat-features .filter-bar__btn {
  border-radius: 999px;
}
.page-products .plat-features .filter-bar__btn.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-white);
}
.page-products .plat-features__grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}
.page-products .feature-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.page-products .feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-primary);
  box-shadow: var(--plat-shadow-strong);
}
.page-products .feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 122, 0, 0.12);
  color: var(--c-primary);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}
.page-products .feature-card__title {
  font-family: var(--font-title);
  font-size: 20px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--c-text);
}
.page-products .feature-card__desc {
  font-size: 15px;
  line-height: 1.7;
  color: #5d574f;
  margin: 0;
}
.page-products .feature-card__tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 12px;
  font-family: var(--font-num);
  color: var(--c-accent);
  background: rgba(27, 58, 107, 0.06);
  border-radius: 999px;
  padding: 4px 12px;
  letter-spacing: 0.02em;
}
.page-products .plat-features__showcase {
  display: grid;
  gap: 18px;
  margin-top: 38px;
}
.page-products .showcase-card {
  margin: 0;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.page-products .showcase-card:hover {
  box-shadow: var(--shadow-float);
  transform: translateY(-3px);
}
.page-products .showcase-card img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-products .showcase-card figcaption {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 2px 12px;
  padding: 16px 20px 18px;
  border-top: 1px solid var(--c-border);
}
.page-products .showcase-card__label {
  grid-row: span 2;
  align-self: center;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 800;
  color: var(--c-primary);
  opacity: 0.55;
}
.page-products .showcase-card figcaption strong {
  font-size: 16px;
  font-family: var(--font-title);
  color: var(--c-text);
}
.page-products .showcase-card figcaption span:last-child {
  font-size: 14px;
  color: #6a645c;
}
.page-products .plat-features__note {
  margin-top: 32px;
  text-align: center;
  font-size: 16px;
  color: var(--c-accent);
  font-family: var(--font-title);
  letter-spacing: 0.02em;
}

/* ===== 版本演进 ===== */
.page-products .plat-versions {
  position: relative;
  padding: 52px 0 48px;
  background:
    radial-gradient(circle at 10% 20%, rgba(255, 122, 0, 0.22), transparent 42%),
    var(--c-accent);
  color: var(--c-white);
  overflow: hidden;
}
.page-products .plat-versions::after {
  content: "";
  position: absolute;
  bottom: -60px;
  right: -30px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 2px dashed rgba(255, 209, 0, 0.5);
  pointer-events: none;
}
.page-products .plat-versions__head {
  position: relative;
  z-index: 1;
}
.page-products .plat-versions__head .eyebrow,
.page-products .plat-versions__head .t-section {
  color: var(--c-white);
}
.page-products .plat-versions__lead {
  margin-top: 8px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.72);
}
.page-products .plat-versions__timeline {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  margin-top: 32px;
}
.page-products .version-item {
  position: relative;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  backdrop-filter: blur(2px);
}
.page-products .version-item__line {
  position: absolute;
  top: 0;
  left: 28px;
  width: 2px;
  height: 100%;
  background: rgba(255, 209, 0, 0.32);
  border-radius: 2px;
}
.page-products .version-item__num {
  position: relative;
  display: inline-block;
  font-size: 24px;
  font-weight: 800;
  color: var(--c-secondary);
  letter-spacing: 0.05em;
  padding-left: 16px;
}
.page-products .version-item__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-secondary);
  box-shadow: 0 0 0 4px rgba(255, 209, 0, 0.2);
}
.page-products .version-item__title {
  margin: 10px 0 6px;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--c-white);
}
.page-products .version-item__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
}
.page-products .plat-versions__img {
  position: relative;
  z-index: 1;
  margin-top: 30px;
}
.page-products .plat-versions__img img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
}

/* ===== 使用指南 ===== */
.page-products .plat-guide {
  padding: 52px 0 60px;
  background: linear-gradient(180deg, var(--c-bg) 0%, rgba(255, 209, 0, 0.1) 100%);
  position: relative;
  overflow: hidden;
}
.page-products .plat-guide::before {
  content: "";
  position: absolute;
  top: 40px;
  right: -36px;
  width: 96px;
  height: 96px;
  border-radius: 24px;
  background: rgba(255, 122, 0, 0.12);
  transform: rotate(18deg);
  pointer-events: none;
}
.page-products .plat-guide__head {
  position: relative;
  z-index: 1;
}
.page-products .plat-guide__lead {
  margin-top: 8px;
  font-size: 16px;
  color: #6a645c;
}
.page-products .plat-guide__steps {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
  margin-top: 30px;
}
.page-products .guide-step {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 26px 24px;
  border-left: 4px solid var(--c-primary);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease;
}
.page-products .guide-step:hover {
  transform: translateX(4px);
}
.page-products .guide-step__num {
  display: block;
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1;
  margin-bottom: 12px;
}
.page-products .guide-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--c-text);
}
.page-products .guide-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #5d574f;
}
.page-products .plat-guide__links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
  justify-content: center;
}

/* ===== 桌面端布局增强 ===== */
@media (min-width: 640px) {
  .page-products .plat-features__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .plat-guide__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .plat-guide__steps .guide-step:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .plat-hero {
    padding: 28px 0 64px;
  }
  .page-products .plat-hero__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    margin-top: 30px;
  }
  .page-products .plat-hero__visual .browser-frame {
    transform: rotate(0.6deg);
  }
  .page-products .plat-features {
    padding: 64px 0 60px;
  }
  .page-products .plat-features__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    margin-top: 34px;
  }
  .page-products .plat-features__showcase {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 46px;
  }
  .page-products .plat-versions {
    padding: 68px 0 56px;
  }
  .page-products .plat-versions__timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 40px;
  }
  .page-products .version-item__line {
    position: absolute;
    top: auto;
    bottom: auto;
    left: 0;
    right: 0;
    height: 2px;
    width: 100%;
  }
  .page-products .version-item__num {
    padding-left: 0;
    padding-top: 14px;
  }
  .page-products .version-item__num::before {
    left: 20px;
    top: 0;
    transform: translateY(0);
  }
  .page-products .plat-guide {
    padding: 64px 0 72px;
  }
  .page-products .plat-guide__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    margin-top: 36px;
  }
  .page-products .plat-guide__steps .guide-step:last-child {
    grid-column: auto;
  }
  .page-products .plat-guide__links {
    margin-top: 38px;
  }
}

@media (min-width: 1200px) {
  .page-products .plat-hero__inner {
    gap: 60px;
  }
  .page-products .plat-features__grid {
    gap: 24px;
  }
  .page-products .plat-features__showcase {
    gap: 28px;
  }
}