/* ===== 页面专属：应用中心 (page-products) ===== */
.page-products {
  --products-gold-border: 1px solid var(--clr-gold, #C9A94E);
  --products-card-radius: 20px;
  --products-phone-shadow: 0 30px 60px rgba(0, 0, 0, 0.25);
  --products-tag-bg: rgba(201, 169, 78, 0.08);
  --products-section-gap: 5rem;
  --products-grid-min: 280px;

  display: flex;
  flex-direction: column;
  background-color: var(--clr-primary-bg, #F5F0E8);
  color: var(--clr-primary-text, #1A1A1A);
  font-family: var(--ff-body, 'Inter', 'Noto Sans SC', sans-serif);
  line-height: var(--lh-body, 1.6);
}

/* ---- 面包屑 ---- */
.page-products__breadcrumb {
  padding: 1rem 1.5rem 0;
  max-width: var(--container-max-width, 1280px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-products__breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.25rem;
  font-size: var(--fs-small, 0.875rem);
  color: var(--clr-secondary-text, #4A4A4A);
}
.page-products__breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.page-products__breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.25rem;
  color: var(--clr-divider, #D4CFC4);
}
.page-products__breadcrumb-list a {
  color: var(--clr-accent-blue, #1E3A5F);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products__breadcrumb-list a:hover {
  color: var(--clr-accent-red, #CC2936);
  text-decoration: underline;
}

/* ---- 首屏 ---- */
.page-products__hero {
  position: relative;
  padding: 1.5rem 1.5rem 3rem;
  display: flex;
  justify-content: center;
}
.page-products__hero-inner {
  max-width: var(--container-max-width, 1280px);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.page-products__hero-text {
  text-align: center;
}
.page-products__hero-title {
  font-family: var(--ff-heading, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: var(--fs-h1, 4.5rem);
  font-weight: 800;
  line-height: var(--lh-headings, 1.1);
  margin: 0;
  color: var(--clr-primary-text, #1A1A1A);
  letter-spacing: -0.02em;
}
.page-products__hero-subtitle {
  font-size: calc(var(--fs-h3, 2rem) * 0.7);
  font-weight: 400;
  color: var(--clr-secondary-text, #4A4A4A);
  margin: 0.5rem 0 0;
  letter-spacing: 0.04em;
}

/* ---- 手机舞台 ---- */
.page-products__phone-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  width: 100%;
}
.page-products__phone-frame {
  position: relative;
  width: 240px;
  height: 480px;
  border-radius: 32px;
  border: 3px solid #2a2a2a;
  background: #000;
  box-shadow: var(--products-phone-shadow);
  overflow: hidden;
  flex-shrink: 0;
  animation: page-products-float 4s ease-in-out infinite;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
}
.page-products__phone-frame:hover {
  animation: none;
  transform: perspective(1200px) rotateY(-10deg) rotateX(3deg);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.35);
}
@keyframes page-products-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.page-products__phone-screen {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 29px;
}
.page-products__phone-home {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
}

/* ---- 环绕标签 ---- */
.page-products__orbit-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  width: 100%;
}
.page-products__orbit-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border: var(--products-gold-border);
  border-radius: 40px;
  background: var(--products-tag-bg);
  color: var(--clr-primary-text, #1A1A1A);
  font-size: var(--fs-small, 0.875rem);
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  cursor: pointer;
  white-space: nowrap;
}
.page-products__orbit-tag:hover {
  background: rgba(201, 169, 78, 0.18);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(201, 169, 78, 0.2);
  color: var(--clr-accent-red, #CC2936);
}
.page-products__orbit-label {
  line-height: 1;
}
.page-products__orbit-arrow {
  font-size: 0.75rem;
  transition: transform 0.2s;
}
.page-products__orbit-tag:hover .page-products__orbit-arrow {
  transform: translateX(3px);
}

/* ---- 首屏动作 ---- */
.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.page-products__btn-download {
  min-width: 160px;
  text-align: center;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}
.page-products__btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(204, 41, 54, 0.25);
}
.page-products__btn-download.btn-ghost:hover {
  box-shadow: 0 6px 20px rgba(30, 58, 95, 0.15);
}

/* ---- 平台介绍 ---- */
.page-products__intro {
  padding: 3rem 1.5rem;
  background: var(--clr-card-bg, #FFFFFF);
}
.page-products__intro-body {
  max-width: 720px;
  margin: 1.5rem auto 0;
  font-size: var(--fs-body, 1rem);
  color: var(--clr-secondary-text, #4A4A4A);
  text-align: center;
  line-height: 1.8;
}
.page-products__intro-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2rem;
  margin-top: 2rem;
}
.page-products__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  border-left: 3px solid var(--clr-gold, #C9A94E);
  font-size: var(--fs-small, 0.875rem);
  font-weight: 500;
  color: var(--clr-primary-text, #1A1A1A);
  background: var(--clr-primary-bg, #F5F0E8);
  border-radius: 0 8px 8px 0;
}

/* ---- 功能列表 ---- */
.page-products__features {
  padding: 3rem 1.5rem 4rem;
}
.page-products__section-title {
  font-family: var(--ff-heading, 'Inter', 'Noto Sans SC', sans-serif);
  font-size: var(--fs-h2, 3rem);
  font-weight: 700;
  line-height: var(--lh-headings, 1.1);
  margin: 0 0 0.5rem;
  color: var(--clr-primary-text, #1A1A1A);
  text-align: center;
  letter-spacing: -0.01em;
}
.page-products__feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.page-products__feature-card {
  border-radius: var(--products-card-radius);
  background: var(--clr-card-bg, #FFFFFF);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.page-products__feature-card[open] {
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
}
.page-products__feature-summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: var(--fs-body, 1rem);
  color: var(--clr-primary-text, #1A1A1A);
  transition: background 0.2s;
  user-select: none;
}
.page-products__feature-summary::-webkit-details-marker {
  display: none;
}
.page-products__feature-summary:hover {
  background: var(--clr-hover-tint, rgba(204, 41, 54, 0.1));
}
.page-products__feature-summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--clr-accent-red, #CC2936);
  transition: transform 0.3s;
  line-height: 1;
}
.page-products__feature-card[open] .page-products__feature-summary::after {
  content: "−";
  transform: rotate(0deg);
}
.page-products__feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--clr-primary-bg, #F5F0E8);
}
.page-products__feature-name {
  font-weight: 600;
  color: var(--clr-accent-blue, #1E3A5F);
}
.page-products__feature-detail {
  padding: 0 1.5rem 1.5rem;
  font-size: var(--fs-body, 1rem);
  color: var(--clr-secondary-text, #4A4A4A);
  line-height: 1.7;
  border-top: 1px solid var(--clr-divider, #D4CFC4);
  margin: 0 1.5rem;
  padding: 1.25rem 0;
}
.page-products__feature-detail p {
  margin: 0;
}

/* ---- 下载入口 ---- */
.page-products__download {
  padding: 3rem 1.5rem 4rem;
  background: var(--clr-dark-bg, #121212);
  color: #fff;
  text-align: center;
}
.page-products__download .page-products__section-title {
  color: #fff;
}
.page-products__download-desc {
  max-width: 600px;
  margin: 1rem auto 2rem;
  font-size: var(--fs-body, 1rem);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}
.page-products__download-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}
.page-products__btn-download--large {
  min-width: 200px;
  padding: 0.9rem 2rem;
  font-size: 1.125rem;
}
.page-products__download-note {
  margin-top: 2rem;
  font-size: var(--fs-small, 0.875rem);
  color: rgba(255, 255, 255, 0.5);
}

/* ---- 底部装饰 ---- */
.page-products__bottom-art {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.page-products__bottom-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: cover;
  object-position: center bottom;
}

/* ---- 容器工具 ---- */
.container {
  max-width: var(--container-max-width, 1280px);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 640px) {
  .page-products__phone-frame {
    width: 280px;
    height: 560px;
  }
  .page-products__orbit-tags {
    gap: 1.25rem;
  }
  .page-products__orbit-tag {
    padding: 0.7rem 1.5rem;
    font-size: var(--fs-body, 1rem);
  }
  .page-products__feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  .page-products__section-title {
    font-size: var(--fs-h2, 3rem);
  }
}

@media (min-width: 768px) {
  .page-products__hero {
    padding: 2rem 2rem 4rem;
  }
  .page-products__hero-title {
    font-size: var(--fs-h1, 4.5rem);
  }
  .page-products__hero-subtitle {
    font-size: calc(var(--fs-h3, 2rem) * 0.8);
  }
  .page-products__intro {
    padding: 4rem 2rem;
  }
  .page-products__features {
    padding: 4rem 2rem 5rem;
  }
  .page-products__download {
    padding: 4rem 2rem 5rem;
  }
  .page-products__bottom-img {
    max-height: 220px;
  }
}

/* ===== 桌面环绕布局（≥1024px） ===== */
@media (min-width: 1024px) {
  .page-products__hero-inner {
    gap: 2.5rem;
  }
  .page-products__phone-stage {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    grid-template-rows: auto 1fr auto;
    align-items: center;
    justify-items: center;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
  }
  .page-products__phone-frame {
    grid-column: 2;
    grid-row: 2;
    width: 300px;
    height: 600px;
  }
  .page-products__orbit-tags {
    display: contents;
  }
  .page-products__orbit-tag {
    white-space: nowrap;
    padding: 0.8rem 1.6rem;
  }
  .page-products__orbit-tag--top {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
  }
  .page-products__orbit-tag--right {
    grid-column: 3;
    grid-row: 2;
    justify-self: start;
  }
  .page-products__orbit-tag--bottom {
    grid-column: 2;
    grid-row: 3;
    align-self: start;
  }
  .page-products__orbit-tag--left {
    grid-column: 1;
    grid-row: 2;
    justify-self: end;
  }
  .page-products__feature-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
  }
  .page-products__hero-actions {
    gap: 1.5rem;
  }
  .page-products__download-actions {
    gap: 1.5rem;
  }
}

/* ===== 大桌面（≥1280px） ===== */
@media (min-width: 1280px) {
  .page-products__phone-frame {
    width: 340px;
    height: 680px;
  }
  .page-products__phone-stage {
    max-width: 1000px;
  }
  .page-products__feature-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 1000px;
  }
  .page-products__bottom-img {
    max-height: 260px;
  }
}