.page-products {
  --pp-rule: rgba(30, 74, 110, 0.62);
  --pp-glow: 0 0 0 1px rgba(57, 255, 20, 0.28), 0 18px 44px rgba(0, 0, 0, 0.4);
}

/* ---------- 页头 ---------- */
.page-products .pp-head {
  position: relative;
  overflow: hidden;
  padding-top: clamp(92px, 13vw, 148px);
}

.page-products .pp-head__inner {
  position: relative;
  z-index: 1;
}

.page-products .pp-head::before {
  content: "";
  position: absolute;
  top: -26%;
  right: -14%;
  width: clamp(300px, 52vw, 700px);
  height: clamp(300px, 52vw, 700px);
  background: radial-gradient(circle at 58% 42%, rgba(57, 255, 20, 0.15), rgba(34, 211, 238, 0.06) 46%, transparent 68%);
  pointer-events: none;
}

.page-products .pp-head .breadcrumbs {
  margin-bottom: 30px;
}

.page-products .pp-kicker {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-acid);
}

.page-products .pp-head h1 {
  margin: 0 0 22px;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-products .pp-head .lede {
  margin: 0 0 30px;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .pp-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 章节标题 ---------- */
.page-products .pp-sec-head {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-products .pp-sec-head h2 {
  margin: 0 0 14px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-products .pp-sec-head p {
  margin: 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 速览横图 ---------- */
.page-products .pp-overview-figure {
  margin: 0 0 clamp(30px, 5vw, 54px);
}

/* ---------- 六项能力速览 ---------- */
.page-products .proj-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .proj-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 22px 20px;
  background: var(--c-panel);
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}

.page-products .proj-card:hover {
  border-color: rgba(57, 255, 20, 0.5);
  box-shadow: var(--pp-glow);
  transform: translateY(-3px);
}

.page-products .proj-card__no {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-acid);
}

.page-products .proj-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--c-white);
}

.page-products .proj-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-products .proj-card__meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 5px 12px;
  margin: 8px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .proj-card__meta dt {
  color: var(--c-mist);
}

.page-products .proj-card__meta dd {
  margin: 0;
  color: var(--c-white);
}

/* ---------- 项目详情区 ---------- */
.page-products .pp-proj {
  position: relative;
}

.page-products .pp-proj__grid {
  align-items: start;
}

.page-products .pp-proj__grid--tight {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-products .pp-proj__band {
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-products .proj-no {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(46px, 7.4vw, 100px);
  font-weight: 700;
  line-height: 0.86;
  letter-spacing: -0.045em;
  color: var(--c-acid);
}

.page-products .pp-proj__no--spaced {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-products .pp-proj__body h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-products .pp-sub-h {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.3vw, 26px);
  line-height: 1.3;
  color: var(--c-white);
}

.page-products .pp-proj__body p {
  margin: 0 0 16px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--c-mist);
}

.page-products .pp-proj__body p:last-of-type {
  margin-bottom: 0;
}

.page-products .pp-link {
  color: var(--c-acid);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-products .pp-link:hover {
  color: var(--c-orange);
}

/* ---------- 要点列表 ---------- */
.page-products .pp-points {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-white);
}

.page-products .pp-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--c-acid);
}

.page-products .pp-points li strong {
  color: var(--c-acid);
  font-weight: 700;
}

.page-products .pp-points--stack {
  margin: 0;
}

.page-products .pp-points--stack li + li {
  padding-top: 12px;
  border-top: 1px solid var(--pp-rule);
}

/* ---------- 数据行 ---------- */
.page-products .pp-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--pp-rule);
}

.page-products .pp-facts div {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-products .pp-facts strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-acid);
}

/* ---------- 标签页微调 ---------- */
.page-products .pp-tabs {
  margin-top: 24px;
}

.page-products .pp-code {
  margin-top: 30px;
  padding-top: 24px;
  border-top: 1px solid rgba(11, 13, 18, 0.16);
}

.page-products .tabs__panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 友谊赛 ---------- */
.page-products .pp-friend {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-products .pp-friend__lead h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-products .pp-friend__lead p {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--c-mist);
}

.page-products .pp-friend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-rule);
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pp-friend__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 20px;
  background: var(--c-panel);
}

.page-products .pp-friend__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-acid);
}

.page-products .pp-friend__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-white);
}

/* ---------- 交付 ---------- */
.page-products .pp-delivery {
  padding: clamp(26px, 4.4vw, 52px);
}

.page-products .pp-delivery__head h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--c-black);
}

.page-products .pp-delivery__head p {
  margin: 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.78;
  color: #3B4653;
}

.page-products .deliver-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .deliver-card {
  padding-top: 16px;
  border-top: 3px solid var(--c-orange);
}

.page-products .deliver-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--c-black);
}

.page-products .deliver-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #3B4653;
}

.page-products .pp-delivery .tabs__tab {
  color: var(--c-black);
}

.page-products .pp-delivery .tabs__tab[aria-selected="true"] {
  color: var(--c-black);
}

.page-products .pp-delivery .tabs__panel p {
  color: #3B4653;
}

.page-products .pp-delivery__foot {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(11, 13, 18, 0.16);
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: #3B4653;
}

.page-products .pp-delivery__foot .pp-link {
  color: #B33F16;
}

.page-products .pp-delivery__foot .pp-link:hover {
  color: var(--c-black);
}

/* ---------- 收尾 ---------- */
.page-products .pp-cta__inner {
  position: relative;
  padding: clamp(28px, 4.4vw, 52px) clamp(24px, 4vw, 48px);
  background: linear-gradient(112deg, rgba(57, 255, 20, 0.12) 0%, rgba(34, 211, 238, 0.06) 38%, rgba(255, 107, 53, 0.12) 100%);
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .pp-cta__inner h2 {
  margin: 0 0 14px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.1vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-products .pp-cta__inner p {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .proj-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pp-friend__list li {
    grid-template-columns: 5.5rem 1fr;
    align-items: baseline;
    gap: 18px;
  }

  .page-products .deliver-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-friend {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products .deliver-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-products .proj-index {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .proj-card:nth-child(1) { grid-column: 1 / span 7; }
  .page-products .proj-card:nth-child(2) { grid-column: 8 / span 5; }
  .page-products .proj-card:nth-child(3) { grid-column: 1 / span 5; }
  .page-products .proj-card:nth-child(4) { grid-column: 6 / span 7; }
  .page-products .proj-card:nth-child(5) { grid-column: 1 / span 6; }
  .page-products .proj-card:nth-child(6) { grid-column: 7 / span 6; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .proj-card {
    transition: none;
  }

  .page-products .proj-card:hover {
    transform: none;
  }
}