.page-products {
  --pp-gap: clamp(24px, 4vw, 48px);
  --pp-rule: var(--sb-cream-deep);
  background: var(--sb-cream);
  color: var(--sb-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  background: linear-gradient(142deg, var(--sb-red) 0%, var(--sb-red-deep) 46%, var(--sb-indigo) 100%);
  color: var(--sb-cream);
  padding: calc(var(--sb-head-h) + clamp(40px, 8vw, 84px)) 0 clamp(36px, 6vw, 68px);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 16%, rgba(200, 145, 43, 0.34), transparent 56%),
    radial-gradient(circle at 8% 92%, rgba(76, 122, 74, 0.24), transparent 52%);
  pointer-events: none;
}

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

.page-products .sb-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(246, 240, 228, 0.74);
}

.page-products .sb-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .sb-breadcrumb li + li::before {
  content: "/";
  margin-right: 6px;
  opacity: 0.55;
}

.page-products .sb-breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 240, 228, 0.34);
}

.page-products .sb-breadcrumb a:hover,
.page-products .sb-breadcrumb a:focus-visible {
  color: var(--sb-gold-soft);
  border-bottom-color: var(--sb-gold-soft);
}

.page-products .pp-hero .sb-eyebrow {
  color: var(--sb-gold-soft);
  margin-bottom: 14px;
}

.page-products .pp-hero__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: var(--sb-cream);
  max-width: 15em;
}

.page-products .pp-hero__lead {
  margin: 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(246, 240, 228, 0.9);
}

.page-products .pp-hero__strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 4vw, 38px);
}

.page-products .pp-hero__link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  color: var(--sb-cream);
  text-decoration: none;
  border: 1px solid rgba(246, 240, 228, 0.42);
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 0 100%);
  transition: background-color 160ms var(--sb-ease), color 160ms var(--sb-ease), border-color 160ms var(--sb-ease);
}

.page-products .pp-hero__link:hover,
.page-products .pp-hero__link:focus-visible {
  background: var(--sb-gold);
  border-color: var(--sb-gold);
  color: var(--sb-indigo);
}

.page-products .pp-body {
  padding-block: clamp(34px, 6vw, 68px);
}

/* ---------- 侧栏与内容流 ---------- */
.page-products .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
}

.page-products .pp-rail::-webkit-scrollbar {
  display: none;
}

.page-products .pp-rail__title {
  flex: 0 0 auto;
  align-self: center;
  margin: 0 4px 0 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--sb-gold-ink);
}

.page-products .pp-rail__link {
  flex: 0 0 auto;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  color: var(--sb-ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 160ms var(--sb-ease), border-color 160ms var(--sb-ease);
}

.page-products .pp-rail__link[data-active="true"],
.page-products .pp-rail__link[aria-current] {
  color: var(--sb-red);
  border-bottom-color: var(--sb-red);
  font-weight: 700;
}

.page-products .pp-rail__link:hover,
.page-products .pp-rail__link:focus-visible {
  color: var(--sb-red-deep);
}

/* ---------- 章节 ---------- */
.page-products .pp-sec::before {
  content: "";
  display: block;
  height: 6px;
  margin-bottom: clamp(24px, 4vw, 38px);
  background: linear-gradient(90deg, var(--sb-red) 0 34%, var(--sb-gold) 34% 67%, var(--sb-indigo) 67% 100%);
  transform: skewY(-1deg);
}

.page-products .pp-sec {
  padding-bottom: clamp(30px, 5vw, 52px);
}

.page-products .pp-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-products .pp-sec__num {
  flex: 0 0 auto;
  padding: 8px 12px 6px;
  font-family: var(--sb-font-num);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--sb-indigo);
  background: var(--sb-gold-soft);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-products .pp-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 31px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--sb-indigo);
}

.page-products .pp-sec__intro {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
}

.page-products .pp-sec__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 36px);
}

.page-products .pp-sec__text p {
  margin: 0 0 1.1em;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
}

.page-products .pp-sec__text > p:last-child {
  margin-bottom: 0;
}

.page-products .pp-list {
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
  max-width: 36em;
}

.page-products .pp-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 0.72em;
  font-size: 15.5px;
  line-height: 1.75;
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  background: var(--sb-gold);
  transform: rotate(45deg);
}

.page-products .pp-list strong {
  color: var(--sb-indigo);
  font-weight: 700;
}

/* ---------- 图与图注 ---------- */
.page-products .pp-fig {
  margin: 0;
}

.page-products .pp-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-fig--square img {
  aspect-ratio: 1 / 1;
}

.page-products .pp-fig--tall img {
  aspect-ratio: 3 / 4;
}

/* ---------- 入口排布示意图 ---------- */
.page-products .pp-diagram {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
  margin: 1.4em 0 0;
}

.page-products .pp-diagram__cap {
  font-size: 13px;
  font-weight: 700;
  fill: var(--sb-indigo);
}

.page-products .pp-diagram__hint {
  font-size: 12px;
  fill: var(--sb-gold-ink);
}

.page-products .pp-diagram__a { fill: var(--sb-red); }
.page-products .pp-diagram__b { fill: var(--sb-gold); }
.page-products .pp-diagram__c { fill: var(--sb-indigo); }
.page-products .pp-diagram__d { fill: var(--sb-indigo-mid); }
.page-products .pp-diagram__e { fill: var(--sb-green); }

.page-products .pp-diagram__ghost {
  fill: none;
  stroke: var(--sb-gold);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.page-products .pp-diagram__arrow {
  stroke: var(--sb-gold-ink);
  stroke-width: 1.5;
}

/* ---------- 标签大类 ---------- */
.page-products .pp-cats {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin: 0 0 1.6em;
}

.page-products .pp-ring {
  --ring-size: 268px;
  --ring-r: 100px;
  --seg: 56px;
  position: relative;
  width: var(--ring-size);
  height: var(--ring-size);
  margin: 0 auto;
}

.page-products .pp-ring__core {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--sb-indigo);
}

.page-products .pp-ring__core b {
  font-family: var(--sb-font-num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--sb-red);
}

.page-products .pp-ring__item {
  --a: calc(var(--i) * 40deg);
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--seg);
  height: var(--seg);
  margin: calc(var(--seg) / -2) 0 0 calc(var(--seg) / -2);
  display: grid;
  place-items: center;
  font-family: var(--sb-font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--sb-cream);
  transform: rotate(var(--a)) translateY(calc(-1 * var(--ring-r))) rotate(calc(-1 * var(--a)));
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-products .pp-ring__item:nth-child(2) { background: var(--sb-red); }
.page-products .pp-ring__item:nth-child(3) { background: var(--sb-gold); color: var(--sb-indigo); }
.page-products .pp-ring__item:nth-child(4) { background: var(--sb-indigo); }
.page-products .pp-ring__item:nth-child(5) { background: var(--sb-green); }
.page-products .pp-ring__item:nth-child(6) { background: var(--sb-indigo-mid); }
.page-products .pp-ring__item:nth-child(7) { background: var(--sb-red-deep); }
.page-products .pp-ring__item:nth-child(8) { background: var(--sb-gold); color: var(--sb-indigo); }
.page-products .pp-ring__item:nth-child(9) { background: var(--sb-indigo); }
.page-products .pp-ring__item:nth-child(10) { background: var(--sb-red); }

.page-products .pp-cats__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-cats__list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--sb-ink);
}

.page-products .pp-cats__list .sb-num {
  font-family: var(--sb-font-num);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 4px 7px;
}

/* ---------- 三种操作 ---------- */
.page-products .pp-ops {
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
}

.page-products .pp-op {
  position: relative;
  padding: 16px 0 16px 58px;
  border-top: 1px solid var(--pp-rule);
}

.page-products .pp-op:last-child {
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .pp-op__num {
  position: absolute;
  left: 0;
  top: 16px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-family: var(--sb-font-num);
  font-size: 22px;
  font-weight: 700;
  color: var(--sb-indigo);
  background: var(--sb-gold-soft);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-products .pp-op__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--sb-indigo);
}

.page-products .pp-op p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
}

/* ---------- 旧版双轨 ---------- */
.page-products .pp-track {
  position: relative;
  height: 78px;
  margin: 1.6em 0 0.6em;
}

.page-products .pp-track__line {
  position: absolute;
  left: 0;
  right: 0;
  height: 4px;
}

.page-products .pp-track__line--a {
  top: 18px;
  background: linear-gradient(90deg, var(--sb-indigo) 0%, var(--sb-indigo-mid) 100%);
}

.page-products .pp-track__line--b {
  top: 46px;
  background: linear-gradient(90deg, var(--sb-red) 0%, var(--sb-gold) 100%);
  transform: skewY(-1.2deg);
}

.page-products .pp-track__dot {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 3px solid var(--sb-cream);
}

.page-products .pp-track__dot--a {
  left: 62%;
  top: 13px;
  background: var(--sb-indigo);
  transform: rotate(45deg);
}

.page-products .pp-track__dot--b {
  left: 62%;
  top: 41px;
  background: var(--sb-gold);
  transform: rotate(45deg);
}

.page-products .pp-track__label {
  position: absolute;
  left: 62%;
  top: 0;
  transform: translateX(-50%);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--sb-gold-ink);
}

.page-products .pp-track__label--b {
  top: 68px;
}

/* ---------- 断点与数据 ---------- */
.page-products .pp-breaks {
  margin: 1.6em 0;
  border-top: 1px solid var(--pp-rule);
}

.page-products .pp-break {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: center;
  gap: 6px 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pp-rule);
}

.page-products .pp-break__px {
  font-family: var(--sb-font-num);
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--sb-red);
}

.page-products .pp-break__rail {
  display: block;
  height: 10px;
  background: var(--sb-cream-deep);
}

.page-products .pp-break__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--sb-gold) 0%, var(--sb-red) 100%);
}

.page-products .pp-break__note {
  grid-column: 2;
  font-size: 13.5px;
  color: var(--sb-indigo);
}

.page-products .pp-stats {
  display: grid;
  gap: 16px;
  margin: 1.8em 0;
}

.page-products .pp-stat {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: baseline;
  gap: 4px 8px;
  padding: 16px 18px;
  background: var(--sb-indigo);
  color: var(--sb-cream);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-products .pp-stat__num {
  font-family: var(--sb-font-num);
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--sb-gold);
}

.page-products .pp-stat__unit {
  font-size: 15px;
  font-weight: 700;
  color: var(--sb-gold);
}

.page-products .pp-stat__label {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(246, 240, 228, 0.86);
}

/* ---------- 结尾 ---------- */
.page-products .pp-cta {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(28px, 4.6vw, 48px);
  background: linear-gradient(126deg, var(--sb-indigo) 0%, var(--sb-indigo-mid) 58%, var(--sb-red-deep) 100%);
  color: var(--sb-cream);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-products .pp-cta__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--sb-cream);
}

.page-products .pp-cta__lead {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(246, 240, 228, 0.88);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-products .pp-cats {
    grid-template-columns: auto 1fr;
    align-items: center;
  }

  .page-products .pp-stats {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 768px) {
  .page-products .pp-sec__grid--2 {
    grid-template-columns: 1.14fr 0.86fr;
    align-items: start;
  }

  .page-products .pp-fig--square,
  .page-products .pp-fig--tall {
    position: sticky;
    top: calc(var(--sb-head-h) + 24px);
  }
}

@media (min-width: 1024px) {
  .page-products .pp-layout {
    grid-template-columns: minmax(190px, 24%) 1fr;
    gap: clamp(36px, 4.5vw, 64px);
    align-items: start;
  }

  .page-products .pp-rail {
    position: sticky;
    top: calc(var(--sb-head-h) + 28px);
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0 0 0 18px;
    border-left: 1px solid var(--pp-rule);
    align-self: start;
  }

  .page-products .pp-rail__title {
    margin: 0 0 10px;
    align-self: flex-start;
  }

  .page-products .pp-rail__link {
    margin-left: -18px;
    padding: 7px 0 7px 15px;
    border-bottom: 0;
    border-left: 3px solid transparent;
    white-space: normal;
  }

  .page-products .pp-rail__link[data-active="true"],
  .page-products .pp-rail__link[aria-current] {
    border-left-color: var(--sb-red);
    border-bottom-color: transparent;
  }
}

@media (max-width: 479px) {
  .page-products .pp-ring {
    --ring-size: 224px;
    --ring-r: 82px;
    --seg: 48px;
  }

  .page-products .pp-ring__core b {
    font-size: 28px;
  }

  .page-products .pp-ring__item {
    font-size: 18px;
  }

  .page-products .pp-break {
    grid-template-columns: 46px 1fr;
  }

  .page-products .pp-sec__num {
    font-size: 24px;
    padding: 7px 10px 5px;
  }

  .page-products .pp-stat__num {
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-hero__link,
  .page-products .pp-rail__link {
    transition: none;
  }
}

.page-products {
  --i: inherit;
}