/* =====================================================
   页面专属样式：APP下载 · page-products
   ===================================================== */
.page-products {
  --pp-grad-main: linear-gradient(120deg, var(--color-primary) 0%, var(--color-primary-2) 100%);
  --pp-shadow: 0 16px 40px rgba(11, 30, 63, .14);
  --pp-shadow-soft: 0 8px 20px rgba(11, 30, 63, .08);
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 通用区块头 ---------- */
.page-products .pp-section-head {
  margin-bottom: 32px;
}
.page-products .pp-section-head .section-title {
  margin: 8px 0 10px;
  color: var(--color-primary);
}
.page-products .pp-section-head .lede {
  max-width: 640px;
}

/* ---------- 首屏 Hero ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--pp-grad-main);
  color: var(--color-white);
  padding: 32px 0 88px;
  border-bottom: 4px solid var(--color-accent);
}
.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: var(--color-accent);
  transform: rotate(18deg);
  opacity: .2;
}
.page-products .pp-hero::after {
  content: "";
  position: absolute;
  left: 8%;
  bottom: -30px;
  width: 46%;
  height: 60px;
  background: var(--color-white);
  transform: skewX(-18deg);
  opacity: .06;
}
.page-products .pp-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 44px;
  align-items: center;
}
.page-products .pp-hero__copy {
  min-width: 0;
}
.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  margin-bottom: 20px;
  color: var(--color-silver);
}
.page-products .breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}
.page-products .breadcrumb a:hover {
  color: var(--color-accent);
}
.page-products .pp-hero__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(38px, 8vw, 64px);
  line-height: 1.04;
  margin: 14px 0 4px;
  letter-spacing: .01em;
}
.page-products .pp-hero__subtitle {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--color-accent);
  margin: 0 0 14px;
}
.page-products .pp-hero__desc {
  max-width: 34em;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, .82);
  line-height: 1.7;
}
.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}
.page-products .pp-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.page-products .pp-stat {
  min-width: 80px;
}
.page-products .pp-stat .data-number {
  font-size: 26px;
  color: var(--color-accent);
  display: block;
  line-height: 1.2;
}
.page-products .pp-stat__label {
  font-size: 12px;
  color: rgba(255, 255, 255, .72);
  letter-spacing: .04em;
}

/* ---------- 首屏手机模拟 ---------- */
.page-products .pp-hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.page-products .pp-phone {
  position: relative;
  width: min(248px, 74vw);
  padding: 10px;
  border-radius: 26px;
  background: var(--color-primary);
  border: 1px solid rgba(255, 255, 255, .22);
  box-shadow: 0 24px 48px rgba(0, 0, 0, .3);
  transform: rotate(-2deg);
}
.page-products .pp-phone__screen {
  border-radius: 18px;
  overflow: hidden;
}
.page-products .pp-phone__badge {
  position: absolute;
  top: -12px;
  right: -16px;
  padding: 6px 12px;
  background: var(--color-accent);
  color: var(--color-white);
  font-family: var(--font-number);
  font-size: 14px;
  line-height: 1;
  clip-path: polygon(6% 0, 100% 0, 94% 100%, 0 100%);
}
.page-products .pp-hero__slash {
  position: absolute;
  inset: auto -30px -40px auto;
  width: 180px;
  height: 18px;
  background: var(--color-accent);
  transform: skewX(-24deg);
  opacity: .8;
}

/* ---------- 选择你的版本 ---------- */
.page-products .pp-versions__grid {
  display: grid;
  gap: 32px;
  margin-top: 36px;
}
.page-products .pp-version-tabs__head {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}
.page-products .pp-tab {
  border: none;
  background: transparent;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  color: var(--color-text-soft);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.page-products .pp-tab:hover {
  color: var(--color-primary);
}
.page-products .pp-tab.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}
.page-products .pp-panel {
  display: block;
  padding: 24px;
  background: var(--color-white);
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--pp-shadow-soft);
}
.page-products .pp-panel--standard {
  border-top-color: var(--color-silver);
}
.page-products .pp-panel + .pp-panel {
  margin-top: 16px;
}
.page-products .pp-panel__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.page-products .pp-panel__head h3 {
  font-family: var(--font-heading);
  font-size: 24px;
  margin: 0;
  color: var(--color-primary);
}
.page-products .pp-panel__list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}
.page-products .pp-panel__list li {
  position: relative;
  padding-left: 24px;
  line-height: 1.6;
  font-size: 15px;
}
.page-products .pp-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 10px;
  height: 10px;
  background: var(--color-accent);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-products .pp-versions__media {
  clip-path: polygon(0 0, 94% 0, 100% 8%, 100% 100%, 6% 100%, 0 92%);
  box-shadow: var(--pp-shadow);
}
.page-products .pp-versions__media img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 多设备登录 ---------- */
.page-products .pp-sync__grid {
  display: grid;
  gap: 40px;
  align-items: center;
}
.page-products .pp-sync__visual {
  position: relative;
  clip-path: polygon(0 0, 100% 4%, 98% 100%, 2% 96%);
  box-shadow: var(--pp-shadow);
}
.page-products .pp-sync__visual img {
  width: 100%;
  object-fit: cover;
}
.page-products .pp-sync__decoration {
  position: absolute;
  bottom: -14px;
  left: 24px;
  width: 120px;
  height: 14px;
  background: var(--color-accent);
  transform: skewX(-20deg);
}
.page-products .pp-sync__copy h3 {
  font-family: var(--font-heading);
  font-size: 28px;
  margin: 0 0 12px;
  color: var(--color-primary);
}
.page-products .pp-sync__copy > p {
  color: var(--color-text-soft);
  line-height: 1.7;
  max-width: 44em;
}
.page-products .pp-sync__data {
  margin-top: 20px;
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
  max-width: 400px;
}
.page-products .pp-sync__data img {
  border-radius: 8px;
}

/* ---------- 系统兼容性 ---------- */
.page-products .pp-compat .section-title {
  color: var(--color-white);
}
.page-products .pp-compat__card {
  border-radius: 0;
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-2));
  color: var(--color-white);
  padding: 24px;
  clip-path: polygon(0 0, 86% 0, 100% 12%, 100% 100%, 0 100%);
  min-height: 150px;
}
.page-products .pp-compat__card h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  letter-spacing: .06em;
  margin: 0 0 10px;
}
.page-products .pp-compat__card p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .78);
}

/* ---------- 功能亮点 ---------- */
.page-products .pp-features__grid {
  display: grid;
  gap: 20px;
}
.page-products .pp-feature-card {
  position: relative;
  padding: 24px;
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--pp-shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}
.page-products .pp-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--pp-shadow);
}
.page-products .pp-feature-card__num {
  font-size: 34px;
  display: block;
  margin-bottom: 24px;
  color: var(--color-accent);
  line-height: 1;
}
.page-products .pp-feature-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  margin: 0 0 10px;
  color: var(--color-primary);
}
.page-products .pp-feature-card p {
  line-height: 1.65;
  color: var(--color-text-soft);
  font-size: 15px;
  margin: 0;
}

/* ---------- 如何下载 ---------- */
.page-products .pp-download__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}
.page-products .pp-download__steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 14px;
  padding: 0;
  margin: 24px 0;
}
.page-products .pp-download__steps li {
  counter-increment: step;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text);
}
.page-products .pp-download__steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-number);
  color: var(--color-accent);
  font-size: 18px;
  font-weight: 700;
  min-width: 2em;
}
.page-products .pp-download__note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--color-text-soft);
}
.page-products .pp-download__note a {
  color: var(--color-accent-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--color-accent);
}
.page-products .pp-download__qr {
  text-align: center;
}
.page-products .pp-qr-card {
  position: relative;
  display: inline-block;
  padding: 12px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  box-shadow: var(--pp-shadow);
}
.page-products .pp-qr-card::after {
  content: "";
  position: absolute;
  top: -8px;
  right: -8px;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .6;
}
.page-products .pp-download__hint {
  text-align: center;
  margin-top: 12px;
  font-size: 14px;
  color: var(--color-text-soft);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 768px) {
  .page-products .pp-hero {
    padding: 48px 0 96px;
  }
  .page-products .pp-hero__inner {
    grid-template-columns: 1.1fr .9fr;
    gap: 32px;
  }
  .page-products .pp-versions__grid {
    grid-template-columns: 1.05fr .95fr;
    align-items: start;
  }
  .page-products .pp-panel + .pp-panel {
    margin-top: 12px;
  }
  .page-products .pp-sync__grid {
    grid-template-columns: .9fr 1.1fr;
    gap: 56px;
  }
  .page-products .pp-sync__copy h3 {
    font-size: 32px;
  }
  .page-products .pp-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .pp-download__inner {
    grid-template-columns: 1fr auto;
    gap: 48px;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .page-products .pp-features__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .pp-download__qr {
    text-align: left;
  }
}