.page-products {
  --prod-deep: var(--ink-900);
  --prod-navy: var(--ink-700);
  --prod-paper: var(--paper-50);
  --prod-warm: var(--paper-100);
  --prod-accent: var(--accent-500);
  --prod-gold: var(--gold-400);
  --prod-slate: var(--steel-400);
  --prod-success: var(--success-500);
  --prod-alert: var(--alert-500);
  background: var(--prod-paper);
}

/* 首屏 */
.prod-hero {
  position: relative;
  padding: 40px 0 64px;
  background:
    radial-gradient(900px 260px at 90% -40px, rgba(255, 107, 53, 0.16), transparent 60%),
    var(--prod-paper);
  overflow: hidden;
}

.prod-hero-inner {
  display: grid;
  gap: 32px;
}

.prod-hero-copy {
  max-width: 760px;
}

.page-products .page-title {
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 16px 0 20px;
  color: var(--prod-deep);
}

.page-products .page-lead {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.75;
  color: var(--prod-slate);
  max-width: 64ch;
  margin: 0 0 28px;
}

.prod-hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0 0 28px;
}

.prod-metric {
  border: 2px solid var(--prod-navy);
  background: var(--prod-paper);
  box-shadow: var(--shadow-offset);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.prod-metric strong {
  font-size: 1.8rem;
  line-height: 1.1;
  color: var(--prod-deep);
  font-family: "Anton", "思源黑体 Heavy", "Arial Black", sans-serif;
  letter-spacing: 0.02em;
}

.prod-metric span {
  font-size: 0.82rem;
  color: var(--prod-slate);
}

.prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.prod-hero-figure {
  margin: 0;
  height: 240px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 4%, 100% 96%, 0 100%);
  background: var(--prod-warm);
}

.prod-hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 功能矩阵 */
.prod-functions {
  padding: 72px 0;
  background:
    linear-gradient(115deg, transparent 0 88%, rgba(255, 215, 0, 0.09) 88% 100%),
    var(--prod-warm);
}

.func-layout {
  display: grid;
  gap: 28px;
  margin-top: 36px;
}

.func-index {
  display: grid;
  gap: 12px;
  align-content: start;
}

.func-item {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 2px solid var(--prod-deep);
  background: var(--prod-paper);
  box-shadow: var(--shadow-offset);
  padding: 14px 16px;
  color: var(--prod-deep);
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.func-item:hover {
  transform: translateY(-3px);
  background: var(--prod-navy);
  color: var(--prod-paper);
}

.func-num {
  font-family: "Anton", "思源黑体 Heavy", "Arial Black", sans-serif;
  font-size: 1.2rem;
  color: var(--prod-accent);
  line-height: 1;
}

.func-item:hover .func-num {
  color: var(--prod-gold);
}

.func-name {
  font-weight: 700;
  flex: 1;
}

.func-arrow {
  margin-left: auto;
  color: var(--prod-accent);
}

.func-item:hover .func-arrow {
  color: var(--prod-gold);
}

.func-index-figure {
  margin: 14px 0 0;
  overflow: hidden;
  border: 2px solid var(--prod-deep);
  box-shadow: var(--shadow-offset-lg);
  background: var(--prod-paper);
}

.func-index-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.func-detail {
  display: grid;
  gap: 20px;
}

.func-card {
  position: relative;
  background: var(--prod-paper);
  border: 2px solid var(--prod-deep);
  box-shadow: var(--shadow-offset);
  padding: 26px 24px 24px;
  overflow: hidden;
}

.func-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64%;
  height: 6px;
  background: linear-gradient(90deg, var(--prod-accent) 0 70%, var(--prod-gold) 70% 100%);
  transform: skewX(-24deg);
  transform-origin: right top;
}

.func-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 12px;
}

.func-card-id {
  font-family: "Anton", "思源黑体 Heavy", "Arial Black", sans-serif;
  font-size: 2.1rem;
  line-height: 1;
  color: rgba(10, 31, 68, 0.1);
}

.func-card h3 {
  font-size: 1.35rem;
  margin: 0 0 8px;
  color: var(--prod-deep);
}

.func-card p {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--prod-slate);
  margin: 0 0 16px;
}

.func-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.func-list li {
  position: relative;
  padding-left: 22px;
  color: var(--prod-navy);
  font-size: 0.92rem;
  line-height: 1.55;
}

.func-list li::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--prod-accent);
  position: absolute;
  left: 0;
  top: 0.55em;
  clip-path: polygon(25% 0, 100% 0, 75% 100%, 0 100%);
}

/* 订阅方案 */
.prod-plans {
  padding: 72px 0;
  background: linear-gradient(180deg, var(--prod-deep) 0%, var(--prod-navy) 100%);
  color: var(--prod-paper);
}

.prod-plans .section-kicker {
  color: var(--prod-gold);
}

.prod-plans .section-title {
  color: var(--prod-paper);
}

.prod-plans .btn-ghost {
  border-color: rgba(253, 252, 248, 0.7);
  color: var(--prod-paper);
}

.plans-layout {
  display: grid;
  gap: 32px;
  margin-top: 40px;
}

.plans-grid {
  display: grid;
  gap: 24px;
}

.plan-card {
  border: 2px solid rgba(253, 252, 248, 0.35);
  background: rgba(255, 255, 255, 0.05);
  padding: 26px 24px;
  position: relative;
}

.plan-card--pro {
  background: rgba(255, 107, 53, 0.16);
  border-color: var(--prod-gold);
}

.plan-chip {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border: 1px solid rgba(253, 252, 248, 0.6);
  color: var(--prod-paper);
  text-transform: uppercase;
}

.plan-chip--gold {
  background: var(--prod-gold);
  border-color: var(--prod-gold);
  color: var(--prod-deep);
  font-weight: 700;
}

.plan-card h3 {
  font-size: 1.5rem;
  margin: 12px 0 6px;
  color: var(--prod-paper);
}

.plan-desc {
  color: rgba(253, 252, 248, 0.72);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 16px;
}

.plan-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.plan-features li {
  position: relative;
  padding-left: 24px;
  color: rgba(253, 252, 248, 0.9);
  font-size: 0.92rem;
  line-height: 1.5;
}

.plan-features li::before {
  content: "";
  width: 10px;
  height: 10px;
  background: var(--prod-success);
  position: absolute;
  left: 0;
  top: 0.45em;
  border-radius: 50%;
}

.plan-card--free .plan-features li::before {
  background: var(--prod-slate);
}

.plans-figure {
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--prod-gold);
  box-shadow: 10px 10px 0 rgba(255, 215, 0, 0.15);
  max-height: 420px;
}

.plans-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.plans-note {
  margin-top: 28px;
  padding: 14px 18px;
  border-left: 4px solid var(--prod-gold);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(253, 252, 248, 0.74);
  font-size: 0.88rem;
  line-height: 1.6;
}

.plans-note p {
  margin: 0;
}

/* 适用设备 */
.prod-device {
  padding: 72px 0;
  background: var(--prod-paper);
}

.device-layout {
  display: grid;
  gap: 36px;
  margin-top: 40px;
  align-items: start;
}

.device-copy {
  display: grid;
  gap: 20px;
}

.device-item {
  border-top: 3px solid var(--prod-navy);
  padding: 18px 0 4px;
}

.device-num {
  display: inline-flex;
  font-family: "Anton", "思源黑体 Heavy", "Arial Black", sans-serif;
  font-size: 1rem;
  color: var(--prod-accent);
  margin-bottom: 6px;
}

.device-item h3 {
  font-size: 1.2rem;
  margin: 0 0 8px;
  color: var(--prod-deep);
}

.device-item p {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--prod-slate);
  margin: 0;
}

.device-figure {
  margin: 0;
  overflow: hidden;
  border: 2px solid var(--prod-deep);
  box-shadow: var(--shadow-offset-lg);
  max-height: 600px;
}

.device-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

/* 数据接口 */
.prod-api {
  padding: 72px 0;
  background:
    radial-gradient(600px 220px at 80% 20%, rgba(255, 107, 53, 0.18), transparent 60%),
    var(--prod-deep);
  color: var(--prod-paper);
}

.prod-api .section-kicker {
  color: var(--prod-gold);
}

.prod-api .section-title {
  color: var(--prod-paper);
}

.prod-api .btn-ghost {
  border-color: rgba(253, 252, 248, 0.7);
  color: var(--prod-paper);
}

.api-layout {
  display: grid;
  gap: 36px;
  margin-top: 40px;
}

.api-copy {
  max-width: 680px;
}

.api-copy > p {
  font-size: 0.97rem;
  line-height: 1.7;
  margin: 0 0 20px;
  color: rgba(253, 252, 248, 0.82);
}

.api-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.api-list li {
  background: rgba(255, 255, 255, 0.05);
  border-left: 3px solid var(--prod-accent);
  padding: 12px 16px;
  color: rgba(253, 252, 248, 0.9);
  font-size: 0.93rem;
}

.api-list strong {
  color: var(--prod-paper);
}

.api-proof {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.api-proof-item {
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.api-proof-item strong {
  font-size: 1.35rem;
  line-height: 1.15;
  color: var(--prod-gold);
  font-family: "Anton", "思源黑体 Heavy", "Arial Black", sans-serif;
  letter-spacing: 0.02em;
}

.api-proof-item span {
  font-size: 0.8rem;
  color: rgba(253, 252, 248, 0.64);
}

.api-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 2px solid var(--prod-gold);
  background: var(--prod-navy);
}

.api-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.api-flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* 底部延伸导航 */
.prod-corner {
  padding: 72px 0;
  background:
    linear-gradient(115deg, var(--prod-warm) 0 72%, rgba(255, 215, 0, 0.12) 72% 100%);
}

.corner-inner {
  display: grid;
  gap: 28px;
}

.corner-copy {
  max-width: 680px;
}

.corner-copy h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  margin: 12px 0;
  color: var(--prod-deep);
}

.corner-copy p {
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--prod-slate);
  max-width: 60ch;
}

.corner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: flex-start;
}

/* 中屏调整 */
@media (min-width: 768px) {
  .prod-hero-inner {
    gap: 44px;
  }

  .prod-hero-figure {
    height: 300px;
  }

  .prod-hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .func-layout {
    grid-template-columns: 320px 1fr;
    gap: 36px;
  }

  .plans-grid {
    grid-template-columns: 1fr 1fr;
  }

  .plans-layout {
    grid-template-columns: 1fr 300px;
    align-items: start;
  }

  .plans-figure {
    max-height: 640px;
  }

  .device-layout {
    grid-template-columns: 1fr 360px;
  }

  .api-proof {
    grid-template-columns: repeat(4, 1fr);
  }

  .corner-inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }
}

/* 桌面整体 */
@media (min-width: 1024px) {
  .prod-hero {
    padding: 56px 0 80px;
  }

  .prod-hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
  }

  .prod-hero-figure {
    height: 420px;
  }

  .func-layout {
    grid-template-columns: 380px 1fr;
  }

  .func-index {
    position: sticky;
    top: 100px;
  }

  .func-card {
    padding: 32px 30px 26px;
  }

  .device-figure {
    max-height: 740px;
  }

  .api-layout {
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
  }
}