.page-products {
  --pg-gutter: clamp(20px, 4vw, 52px);
  --pg-card-radius: 14px;
  --pg-wine-soft: #7A2035;
  overflow-x: hidden;
  background: var(--color-bg-deep);
  color: var(--color-text-light);
  font-family: var(--font-body);
}

.page-products .page-products__container {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: var(--pg-gutter);
}

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

.page-products a {
  color: var(--color-primary-bright);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.page-products a:hover {
  color: var(--color-text-light);
  border-color: var(--color-primary);
}

/* ===== 面包屑 ===== */
.page-products .page-products__crumbs {
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: var(--pg-gutter);
  padding-block: 18px 6px;
}

.page-products .page-products__crumbs-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--color-text-weak);
}

.page-products .page-products__crumbs-item + .page-products__crumbs-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--color-border);
}

.page-products .page-products__crumbs-item a {
  color: var(--color-text-weak);
}

.page-products .page-products__crumbs-item a:hover {
  color: var(--color-primary-bright);
  border-color: var(--color-primary);
}

.page-products .page-products__crumbs-item[aria-current="page"] {
  color: var(--color-text-light);
}

/* ===== 首屏 Hero ===== */
.page-products .page-products__hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 42px;
  padding: 26px var(--pg-gutter) 80px;
  overflow: hidden;
}

.page-products .page-products__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 22%, rgba(0, 166, 81, 0.12), transparent 46%),
    linear-gradient(150deg, rgba(0, 166, 81, 0.06), transparent 58%);
  pointer-events: none;
}

.page-products .page-products__hero-text {
  position: relative;
  z-index: 2;
}

.page-products .page-products__hero-kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 20px;
}

.page-products .page-products__hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 6.6vw, 68px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  max-width: 13em;
}

.page-products .page-products__hero-lead {
  font-size: 17px;
  line-height: 1.72;
  color: var(--color-text-weak);
  max-width: 560px;
  margin: 0 0 30px;
}

.page-products .page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 38px;
}

.page-products .page-products__hero-actions .btn {
  min-width: 176px;
}

.page-products .page-products__hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-products .page-products__hero-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 18px;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  background: rgba(18, 42, 32, 0.74);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.page-products .page-products__hero-point:hover {
  border-color: var(--color-primary-bright);
  background: rgba(26, 58, 43, 0.88);
}

.page-products .page-products__hero-point-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary-bright);
  line-height: 1.7;
  padding-top: 2px;
}

.page-products .page-products__hero-point-text strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}

.page-products .page-products__hero-point-text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--color-text-weak);
}

.page-products .page-products__hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 440px;
}

.page-products .page-products__hero-visual::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 166, 81, 0.2), transparent 68%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.page-products .page-products__hero-traject {
  position: absolute;
  top: 14%;
  right: -90px;
  width: 280px;
  height: 64px;
  opacity: 0.55;
  transform: skewX(-12deg);
  pointer-events: none;
}

.page-products .page-products__phone {
  position: relative;
  width: min(290px, 78vw);
  z-index: 2;
  transform: rotate(1.6deg);
}

.page-products .page-products__phone-body {
  position: relative;
  padding: 16px 12px 24px;
  background: #07150E;
  border: 3px solid var(--color-border);
  border-radius: 34px;
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.38), 0 0 60px rgba(0, 166, 81, 0.1);
}

.page-products .page-products__phone-notch {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: 86px;
  height: 22px;
  background: var(--color-bg-deep);
  border-radius: 10px;
  z-index: 3;
}

.page-products .page-products__phone-screen {
  border-radius: 18px;
  overflow: hidden;
  background: var(--color-bg-panel);
}

.page-products .page-products__phone-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

/* ===== 通用标题结构 ===== */
.page-products .page-products__heading {
  margin-bottom: 42px;
}

.page-products .page-products__heading .section-label {
  margin-bottom: 10px;
}

.page-products .page-products__heading h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  margin: 12px 0 10px;
}

.page-products .page-products__sub {
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-weak);
  max-width: 560px;
  margin: 0;
}

.page-products .page-products__sub a {
  border-bottom: 1px solid var(--color-border);
}

.page-products .page-products__sub a:hover {
  border-color: var(--color-primary);
}

/* ===== 核心功能 ===== */
.page-products .page-products__features {
  background: var(--color-bg-alt);
  padding-block: 68px 84px;
}

.page-products .page-products__features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .page-products__feature-card {
  position: relative;
  padding: 30px 24px 24px;
  background: var(--color-bg-panel);
  border: var(--border-w) solid var(--color-border);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.28);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.page-products .page-products__feature-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.page-products .page-products__feature-num {
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-weak);
  letter-spacing: 0.06em;
}

.page-products .page-products__feature-card h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 900;
  margin: 0 0 12px;
  padding-top: 6px;
}

.page-products .page-products__feature-card p {
  font-size: 14px;
  line-height: 1.68;
  color: var(--color-text-weak);
  margin: 0 0 18px;
}

.page-products .page-products__feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 下载方式 ===== */
.page-products .page-products__download {
  position: relative;
  background: linear-gradient(160deg, #0C4242 0%, var(--color-jewel-teal) 100%);
  padding-block: 68px 108px;
}

.page-products .page-products__download::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -26px;
  height: 56px;
  background: var(--color-bg-panel);
  transform: skewY(-1.4deg);
  pointer-events: none;
  z-index: 2;
}

.page-products .page-products__download-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
}

.page-products .page-products__download-intro h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 900;
  line-height: 1.15;
  margin: 12px 0 12px;
}

.page-products .page-products__download-intro p {
  font-size: 15px;
  line-height: 1.7;
  color: #C9DCD1;
  margin: 0 0 22px;
  max-width: 440px;
}

.page-products .page-products__download-note {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .page-products__download-note li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.55;
  color: #D7EBDD;
}

.page-products .page-products__download-note li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--color-primary-bright);
  transform: rotate(45deg);
}

.page-products .page-products__download-cards {
  display: grid;
  gap: 16px;
}

.page-products .page-products__download-card {
  background: rgba(7, 21, 14, 0.6);
  border: 2px solid #3E7560;
  transition: border-color var(--transition-fast);
}

.page-products .page-products__download-card[open] {
  border-color: var(--color-primary);
}

.page-products .page-products__download-summary {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

.page-products .page-products__download-summary::-webkit-details-marker {
  display: none;
}

.page-products .page-products__download-icon {
  flex: 0 0 44px;
  height: 44px;
  border-radius: 10px;
  border: 2px solid var(--color-border);
  background: var(--color-bg-panel);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-bright);
}

.page-products .page-products__download-text {
  display: grid;
  gap: 4px;
}

.page-products .page-products__download-text strong {
  font-size: 16px;
  font-weight: 700;
}

.page-products .page-products__download-text small {
  font-size: 13px;
  color: var(--color-text-weak);
}

.page-products .page-products__download-arrow {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-primary-bright);
  transition: transform var(--transition-fast);
}

.page-products .page-products__download-card[open] .page-products__download-arrow {
  transform: rotate(180deg);
}

.page-products .page-products__download-body {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--color-border);
  padding-top: 14px;
}

.page-products .page-products__download-body p {
  font-size: 14px;
  line-height: 1.65;
  color: #D7EBDD;
  margin: 0 0 14px;
}

.page-products .page-products__download-body .btn {
  margin-top: 4px;
}

.page-products .page-products__download-qr {
  text-align: center;
  padding: 24px 20px 18px;
  background: var(--color-bg-panel);
  border: var(--border-w) solid var(--color-border);
  box-shadow: var(--shadow-hard);
}

.page-products .page-products__download-qr img {
  display: block;
  margin-inline: auto;
  width: min(220px, 100%);
}

.page-products .page-products__download-qr p {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-weak);
  margin: 12px 0 0;
}

/* ===== 订阅教程 ===== */
.page-products .page-products__tutorial {
  background: var(--color-bg-panel);
  padding-block: 76px 88px;
}

.page-products .page-products__tutorial-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 42px;
  align-items: center;
}

.page-products .page-products__tutorial-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 18px;
}

.page-products .page-products__tutorial-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 18px;
  background: var(--color-bg-deep);
  border-left: 3px solid var(--color-accent-orange);
}

.page-products .page-products__tutorial-step-num {
  flex: 0 0 40px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-orange);
  background: rgba(247, 148, 29, 0.14);
  padding: 6px 4px;
  text-align: center;
}

.page-products .page-products__tutorial-step-text h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
}

.page-products .page-products__tutorial-step-text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--color-text-weak);
}

.page-products .page-products__notify-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  cursor: pointer;
  font-size: 13px;
}

.page-products .page-products__notify-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.page-products .page-products__notify-track {
  display: inline-block;
  width: 42px;
  height: 24px;
  background: var(--color-border);
  border-radius: 14px;
  position: relative;
  transition: background var(--transition-fast);
}

.page-products .page-products__notify-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: transform var(--transition-fast);
}

.page-products .page-products__notify-toggle input:checked + .page-products__notify-track {
  background: var(--color-primary);
}

.page-products .page-products__notify-toggle input:checked + .page-products__notify-track::after {
  transform: translateX(18px);
}

.page-products .page-products__notify-on,
.page-products .page-products__notify-off {
  color: var(--color-text-weak);
}

.page-products .page-products__notify-toggle input:checked ~ .page-products__notify-off {
  display: none;
}

.page-products .page-products__notify-toggle input:not(:checked) ~ .page-products__notify-on {
  display: none;
}

.page-products .page-products__tutorial-figure {
  margin: 0;
  background: var(--color-bg-alt);
  padding: 14px;
  border: 2px solid var(--color-border);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.3);
}

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

.page-products .page-products__tutorial-figure figcaption {
  font-size: 13px;
  color: var(--color-text-weak);
  padding: 12px 4px 2px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ===== 收藏同步 ===== */
.page-products .page-products__sync {
  background: var(--color-bg-deep);
  padding-block: 76px 88px;
}

.page-products .page-products__sync-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 42px;
  align-items: center;
}

.page-products .page-products__sync-content {
  padding: 32px 28px;
  background: var(--color-jewel-indigo);
  border: 2px solid #5A4B85;
  box-shadow: var(--shadow-hard);
}

.page-products .page-products__sync-content .section-label {
  color: #C9A8FF;
}

.page-products .page-products__sync-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  line-height: 1.15;
  margin: 12px 0 14px;
}

.page-products .page-products__sync-content p {
  font-size: 14px;
  line-height: 1.7;
  color: #D6CEE8;
  margin: 0 0 16px;
}

.page-products .page-products__sync-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.page-products .page-products__sync-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.55;
  color: #E4DCF3;
}

.page-products .page-products__sync-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--color-primary-bright);
  transform: rotate(45deg);
}

.page-products .page-products__sync-figure {
  margin: 0;
  background: var(--color-bg-panel);
  padding: 14px;
  border: 2px solid var(--color-border);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.3);
}

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

.page-products .page-products__sync-figure figcaption {
  font-size: 13px;
  color: var(--color-text-weak);
  padding: 12px 4px 2px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ===== 版本日志 ===== */
.page-products .page-products__changelog {
  background: var(--color-bg-deep);
  padding-block: 72px 96px;
  position: relative;
}

.page-products .page-products__changelog::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-jewel-wine) 0%, var(--color-accent-red) 100%);
}

.page-products .page-products__changelog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
}

.page-products .page-products__timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}

.page-products .page-products__timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--color-border);
}

.page-products .page-products__timeline-item {
  position: relative;
  padding-left: 44px;
  margin-bottom: 18px;
}

.page-products .page-products__timeline-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 28px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-bg-deep);
  border: 3px solid var(--color-primary);
}

.page-products .page-products__timeline-item--current::before {
  background: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(0, 166, 81, 0.22);
}

.page-products .page-products__timeline details {
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.page-products .page-products__timeline details[open] {
  border-color: var(--color-primary);
}

.page-products .page-products__timeline summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
}

.page-products .page-products__timeline summary::-webkit-details-marker {
  display: none;
}

.page-products .page-products__timeline-ver {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary-bright);
  background: rgba(0, 166, 81, 0.12);
  padding: 4px 10px;
}

.page-products .page-products__timeline-year {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-text-weak);
}

.page-products .page-products__timeline-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text-light);
}

.page-products .page-products__timeline-body {
  padding: 12px 20px 18px;
  border-top: 1px dashed var(--color-border);
}

.page-products .page-products__timeline-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--color-text-weak);
}

.page-products .page-products__changelog-figure {
  margin: 0;
  background: var(--color-jewel-wine);
  padding: 20px 18px 14px;
  border: 2px solid var(--pg-wine-soft);
  box-shadow: var(--shadow-hard);
}

.page-products .page-products__changelog-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-products .page-products__changelog-figure figcaption {
  font-size: 13px;
  color: #E3B5BE;
  padding-top: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ===== 平板 ≥720px ===== */
@media (min-width: 720px) {
  .page-products .page-products__hero {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding-bottom: 96px;
  }

  .page-products .page-products__hero-visual {
    min-height: 520px;
  }

  .page-products .page-products__phone {
    width: min(310px, 34vw);
  }

  .page-products .page-products__features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .page-products .page-products__download-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .page-products__download-qr {
    grid-column: 1 / -1;
  }
}

/* ===== 桌面 ≥960px ===== */
@media (min-width: 960px) {
  .page-products .page-products__hero {
    grid-template-columns: 56fr 44fr;
    gap: 56px;
    padding-top: 40px;
    padding-bottom: 120px;
  }

  .page-products .page-products__hero-points {
    grid-template-columns: 1fr;
  }

  .page-products .page-products__download-grid {
    grid-template-columns: 42fr 58fr;
    gap: 64px;
  }

  .page-products .page-products__download-cards {
    grid-template-columns: 1fr;
  }

  .page-products .page-products__download-qr {
    grid-column: auto;
  }

  .page-products .page-products__tutorial-layout {
    grid-template-columns: 1fr 1.08fr;
    gap: 56px;
  }

  .page-products .page-products__sync-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-products .page-products__changelog-layout {
    grid-template-columns: 1.35fr 0.65fr;
    gap: 56px;
  }
}

/* ===== 大屏 ≥1200px ===== */
@media (min-width: 1200px) {
  .page-products .page-products__hero h1 {
    font-size: 68px;
  }

  .page-products .page-products__phone {
    width: 330px;
  }

  .page-products .page-products__hero-visual::before {
    width: 400px;
    height: 400px;
  }

  .page-products .page-products__download-grid {
    gap: 88px;
  }

  .page-products .page-products__tutorial-layout {
    gap: 72px;
  }

  .page-products .page-products__sync-grid {
    gap: 80px;
  }
}