.page-products {
  --pp-line: rgba(74, 58, 46, 0.16);
  --pp-gap: clamp(14px, 2.2vw, 22px);
  --pp-pad: clamp(18px, 2.6vw, 28px);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow-x: clip;
}

.page-products .pp-crumb-bar {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-products .pp-crumb-bar .crumbs {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products .pp-crumb-bar .crumbs a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pp-crumb-bar .crumbs a:hover {
  border-bottom-color: var(--orange);
}

.page-products .pp-crumb-bar .crumbs__sep {
  color: var(--khaki);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(30px, 5vw, 58px);
  isolation: isolate;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -12%;
  width: min(680px, 92vw);
  height: min(460px, 68vw);
  background: var(--blue);
  border-radius: var(--r-xl);
  clip-path: polygon(34% 0, 100% 0, 100% 64%, 0 100%);
  opacity: 0.94;
  z-index: -2;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  top: 6%;
  right: -6%;
  width: min(300px, 46vw);
  height: min(300px, 46vw);
  background: var(--orange);
  border-radius: var(--r-xl);
  clip-path: polygon(46% 0, 100% 22%, 100% 100%, 0 100%);
  opacity: 0.9;
  z-index: -1;
}

.page-products .pp-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pp-hero__lead {
  max-width: 42ch;
}

.page-products .pp-hero__lead .label {
  color: var(--blue);
  font-weight: 700;
}

.page-products .pp-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 800;
  text-wrap: balance;
}

.page-products .pp-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.78;
  letter-spacing: -0.01em;
  color: var(--brown);
  max-width: 46ch;
}

.page-products .pp-hero__acts {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pp-hero__stats li {
  background: var(--paper);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .pp-hero__stats .mono {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--blue);
  line-height: 1.1;
}

.page-products .pp-hero__stats em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

/* ---------- 通用章节头 ---------- */
.page-products .pp-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 30px);
  max-width: 44ch;
}

.page-products .pp-sec-head .label {
  color: var(--blue);
  font-weight: 700;
}

.page-products .pp-sec-head h2 {
  margin: 0;
  font-size: clamp(24px, 4.2vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.022em;
  font-weight: 800;
  text-wrap: balance;
}

.page-products .pp-sec-head__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--brown);
  max-width: 52ch;
}

/* ---------- 01 四象限 ---------- */
.page-products .pp-quad {
  padding: clamp(34px, 6vw, 64px) 0 0;
}

.page-products .pp-quad__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: var(--pp-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--pp-line);
  background: var(--white);
  overflow: hidden;
  align-items: flex-start;
  text-align: left;
  font: inherit;
  color: inherit;
}

.page-products .pp-tile h3 {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-tile p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--brown);
}

.page-products .pp-tile__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  align-self: flex-start;
}

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

.page-products .pp-tile--a {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pp-tile--a p {
  color: rgba(244, 238, 226, 0.78);
}

.page-products .pp-tile--a .label {
  color: var(--mint);
}

.page-products .pp-tile--a .pp-tile__link {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-products .pp-tile--b {
  box-shadow: inset 4px 0 0 0 var(--orange);
}

.page-products .pp-tile--b .label {
  color: var(--orange);
}

.page-products .pp-tile--c .label {
  color: var(--blue);
}

.page-products .pp-tile--d {
  background: var(--amber);
  border-color: var(--amber);
}

.page-products .pp-tile--d p {
  color: rgba(20, 23, 28, 0.78);
}

.page-products .pp-tile--d .label {
  color: var(--ink);
}

.page-products .pp-tile--d .pp-tile__link {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-products .pp-quad__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-2);
  min-height: 200px;
}

.page-products .pp-quad__media .media-frame__img,
.page-products .pp-quad__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-products .pp-quad__media .media-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

/* ---------- 筛选胶囊 ---------- */
.page-products .pp-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pp-chip {
  appearance: none;
  border: 1px solid var(--pp-line);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pp-chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.page-products .pp-chip[aria-pressed="true"],
.page-products .pp-chip.is-active,
.page-products .pp-chip:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* ---------- 02 权益档位 ---------- */
.page-products .pp-tiers {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-tier {
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .pp-tier[data-topic="standard"] {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(36, 87, 230, 0.14);
}

.page-products .pp-tier[data-topic="team"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pp-tier[data-topic="team"] h3 {
  color: var(--paper);
}

.page-products .pp-tier[data-topic="team"] dt {
  color: var(--mint);
}

.page-products .pp-tier[data-topic="team"] dd {
  color: rgba(244, 238, 226, 0.84);
}

.page-products .pp-tier__head {
  display: grid;
  gap: 8px;
  justify-items: start;
}

.page-products .pp-tier__head h3 {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pp-tier__list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-tier[data-topic="team"] .pp-tier__list {
  border-top-color: rgba(244, 238, 226, 0.2);
}

.page-products .pp-tier__list > div {
  display: grid;
  grid-template-columns: 5.4em 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-tier[data-topic="team"] .pp-tier__list > div {
  border-bottom-color: rgba(244, 238, 226, 0.2);
}

.page-products .pp-tier__list dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
  padding-top: 3px;
}

.page-products .pp-tier__list dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.page-products .pp-tiers__media {
  margin: var(--pp-gap) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--paper-2);
}

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

/* ---------- 03 订阅 ---------- */
.page-products .pp-sub {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-sub__body {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-sub__main p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--brown);
  max-width: 60ch;
}

.page-products .pp-sub__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pp-sub__list li {
  background: var(--white);
  padding: 12px 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  letter-spacing: -0.01em;
}

.page-products .pp-sub__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  font-weight: 700;
}

.page-products .pp-sub__note {
  background: var(--paper-2);
  border-left: 4px solid var(--orange);
  border-radius: var(--r-md);
  padding: var(--pp-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pp-sub__note h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pp-sub__note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--brown);
}

.page-products .pp-sub__note .btn {
  justify-self: start;
}

/* ---------- 04 导出 ---------- */
.page-products .pp-export {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-format-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-format {
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pp-format h3 {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pp-format h3 .mono {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: -0.03em;
  color: var(--blue);
}

.page-products .pp-format[data-topic="json"] h3 .mono {
  color: var(--orange);
}

.page-products .pp-format[data-topic="pdf"] h3 .mono {
  color: var(--brown);
}

.page-products .pp-format p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--brown);
}

.page-products .pp-format__meta {
  font-family: var(--font-mono);
  font-size: 11.5px !important;
  letter-spacing: 0.01em;
  color: var(--fog) !important;
  border-top: 1px dashed var(--pp-line);
  padding-top: 10px;
}

.page-products .pp-fields {
  margin-top: var(--pp-gap);
  background: var(--ink);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  color: var(--paper);
  display: grid;
  gap: 16px;
}

.page-products .pp-fields__head h3 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pp-fields__head p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 238, 226, 0.72);
}

.page-products .pp-fields__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-fields__list li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.01em;
  padding: 7px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(43, 232, 176, 0.42);
  color: var(--mint);
  position: relative;
  padding-left: 24px;
}

.page-products .pp-fields__list li::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--mint);
}

.page-products .pp-export__media {
  margin: var(--pp-gap) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--paper-2);
}

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

.page-products .pp-export__media .media-frame__tag {
  position: absolute;
  right: 14px;
  top: 14px;
  background: var(--amber);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

.page-products .pp-export__media {
  position: relative;
}

.page-products .pp-flow {
  list-style: none;
  margin: var(--pp-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: pp-flow;
}

.page-products .pp-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  padding: 14px 16px;
}

.page-products .pp-flow__num {
  grid-row: span 2;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 0 0 5px rgba(255, 90, 31, 0.16);
}

.page-products .pp-flow__step strong {
  font-size: 14px;
  letter-spacing: -0.01em;
}

.page-products .pp-flow__step span:last-child {
  font-size: 12.5px;
  color: var(--fog);
  line-height: 1.5;
}

.page-products .pp-flow__step:not(:last-child)::after {
  content: "▼";
  position: absolute;
  left: 50%;
  bottom: -12px;
  transform: translateX(-50%);
  font-size: 9px;
  color: var(--orange);
  line-height: 1;
}

/* ---------- 05 检索 ---------- */
.page-products .pp-retrieval {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-retrieval__body {
  display: grid;
  gap: var(--pp-gap);
}

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

.page-products .pp-results__item {
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 13px 15px;
  border-left: 3px solid transparent;
  transition: border-color 150ms var(--ease), background 150ms var(--ease);
}

.page-products .pp-results__item:hover {
  border-left-color: var(--orange);
  background: var(--paper);
}

.page-products .pp-results__code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-products .pp-results__text {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
}

.page-products .pp-results__meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-products .pp-retrieval__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--ink-2);
}

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

.page-products .pp-retrieval__media .media-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: var(--blue);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

/* ---------- 06 版本 ---------- */
.page-products .pp-version {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-version__body {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-version__text p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--brown);
}

.page-products .pp-version__steps {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-version__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.page-products .pp-version__steps .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  background: var(--amber);
  color: var(--ink);
}

.page-products .pp-version__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--paper-2);
}

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

.page-products .pp-version__media .media-frame__tag {
  position: absolute;
  right: 14px;
  bottom: 14px;
  background: var(--ink);
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

/* ---------- 07 场景路径 ---------- */
.page-products .pp-paths {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-path {
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.page-products .pp-path h3 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-path p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--brown);
}

.page-products .pp-path__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
}

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

.page-products .pp-cta {
  margin-top: var(--pp-gap);
  background: var(--ink);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 36px);
  display: grid;
  gap: 18px;
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.page-products .pp-cta::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 87, 230, 0.55), transparent 68%);
}

.page-products .pp-cta__text {
  position: relative;
  display: grid;
  gap: 8px;
  max-width: 48ch;
}

.page-products .pp-cta__text h3 {
  margin: 0;
  font-size: clamp(20px, 3vw, 27px);
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-cta__text p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(244, 238, 226, 0.78);
}

.page-products .pp-cta__acts {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-cta__acts .btn--ghost {
  color: var(--paper);
  border-color: rgba(244, 238, 226, 0.42);
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-products .pp-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-self: end;
  }

  .page-products .pp-quad__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: minmax(0, auto);
  }

  .page-products .pp-tile--a { grid-column: span 7; }
  .page-products .pp-tile--b { grid-column: span 5; }
  .page-products .pp-tile--c { grid-column: span 4; }
  .page-products .pp-tile--d { grid-column: span 3; }
  .page-products .pp-quad__media {
    grid-column: span 5;
    min-height: 100%;
  }

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

  .page-products .pp-tier[data-topic="team"] {
    transform: translateY(-10px);
  }

  .page-products .pp-tiers__media {
    display: none;
  }

  .page-products .pp-sub__body {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-products .pp-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-flow__step:not(:last-child)::after {
    content: "▶";
    left: auto;
    right: -14px;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
  }

  .page-products .pp-retrieval__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-results__item {
    grid-template-columns: 6.5em minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 12px;
  }

  .page-products .pp-version__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

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

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .pp-tier[data-topic="team"] {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>

<main id="main-content" class="page-products">

  <div class="wrap pp-crumb-bar">
    <nav class="crumbs" aria-label="面包屑导航">
      <a href="/">首页</a><span class="crumbs__sep">/</span><span>功能中心</span>
    </nav>
  </div>

  <section class="pp-hero" aria-labelledby="hero-title">
    <div class="wrap pp-hero__inner">
      <div class="pp-hero__lead">
        <p class="label">FUNCTION CENTER · 当前版本 v3.2</p>
        <h1 id="hero-title">查一条参数，或者把整栏目带走</h1>
        <p class="pp-hero__lede">PP王电子内容中心把四件事接成一条动作链：先检索定位到具体条目，再决定是订阅持续跟，还是勾好字段一次性导出，带回团队的评审桌上。从查一条参数到取走一整个栏目，中间每一步都能停在你需要的位置。</p>
        <div class="pp-hero__acts">
          <a class="btn btn--primary" href="#tiers">看权益档位</a>
          <a class="btn btn--ghost" href="/connect/">说说我的场景</a>
        </div>
      </div>
      <ul class="pp-hero__stats">
        <li><span class="mono">9</span><em>大类栏目</em></li>
        <li><span class="mono">38</span><em>单次可导出字段</em></li>
        <li><span class="mono">42万</span><em>关键词索引</em></li>
        <li><span class="mono">180ms</span><em>平均检索响应</em></li>
      </ul>
    </div>
  </section>

  <section class="pp-quad" id="capability" aria-labelledby="quad-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">01 / 能力总览</p>
        <h2 id="quad-title">四项能力，接成一条动作链</h2>
        <p class="pp-sec-head__sub">工程师找料、采购比价、内容运营整理专题，起点都是同一个：在资料库里把东西抓准，然后带走。</p>
      </header>

      <div class="pp-quad__grid">
        <article class="pp-tile pp-tile--a">
          <p class="label">检索</p>
          <h3>先找得到，才谈用得上</h3>
          <p>输入型号、封装或者一句应用描述，索引在百毫秒级给出候选条目。再用栏目大类和封装条件收窄，剩下的就是你要的那几条。</p>
          <a class="pp-tile__link" href="#retrieval">看检索与筛选</a>
        </article>

        <article class="pp-tile pp-tile--b">
          <p class="label">导出</p>
          <h3>把要点原样带进评审</h3>
          <p>CSV、JSON、PDF 三种格式任选，单次最多挑 38 个字段，导出的文件自带版本号，团队内部引用时能对上出处。</p>
          <a class="pp-tile__link" href="#export">看导出与字段</a>
        </article>

        <article class="pp-tile pp-tile--c">
          <p class="label">订阅</p>
          <h3>变了就知道，不用天天来刷</h3>
          <p>九大类栏目都能单独订。你负责哪几块，就只收哪几块的变更通知，每周三跟着版本节奏一起发。</p>
          <a class="pp-tile__link" href="#subscribe">看订阅机制</a>
        </article>

        <article class="pp-tile pp-tile--d">
          <p class="label">版本</p>
          <h3>改动留痕，翻得回去</h3>
          <p>条目上带版本标记，这次改了什么、上次是什么样，一眼能看出差别，再顺着跳到公告看完整说明。</p>
          <a class="pp-tile__link" href="#version">看版本追踪</a>
        </article>

        <figure class="pp-quad__media media-frame media-frame--cut">
          <img class="media-frame__img" src="{zhanqunpic:h:900w:1440}" width="1440" height="900" alt="内容中心功能总览界面截取，检索、订阅、导出、版本四个功能模块并列排布">
          <figcaption class="media-frame__tag">功能总览</figcaption>
        </figure>
      </div>
    </div>
  </section>

  <section class="pp-tiers" id="tiers" aria-labelledby="tiers-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">02 / 会员权益</p>
        <h2 id="tiers-title">三档权益，按取用深度挑一档</h2>
        <p class="pp-sec-head__sub">王电子内容中心会员权益按使用深度分为速览、标准、团队三档。一个人偶尔查查，和工程采购几方同时跟进，选法不一样。</p>
      </header>

      <div class="pp-filters" role="group" aria-label="按档位查看权益">
        <button type="button" class="pp-chip" data-filter="speed">速览</button>
        <button type="button" class="pp-chip" data-filter="standard">标准</button>
        <button type="button" class="pp-chip" data-filter="team">团队</button>
      </div>

      <div class="pp-tier-grid">
        <article class="pp-tier" data-topic="speed">
          <header class="pp-tier__head">
            <span class="tag">速览</span>
            <h3>先看几眼，确认对不对味</h3>
          </header>
          <dl class="pp-tier__list">
            <div><dt>栏目范围</dt><dd>九大类栏目随时翻阅</dd></div>
            <div><dt>取用方式</dt><dd>按条查看参数与封装尺寸</dd></div>
            <div><dt>版本公告</dt><dd>每周三随版本更新</dd></div>
            <div><dt>席位</dt><dd>单个账号</dd></div>
          </dl>
        </article>

        <article class="pp-tier" data-topic="standard">
          <header class="pp-tier__head">
            <span class="tag">标准</span>
            <h3>一个人扛完选型比对</h3>
          </header>
          <dl class="pp-tier__list">
            <div><dt>栏目订阅</dt><dd>按主题订阅栏目变更</dd></div>
            <div><dt>导出格式</dt><dd>CSV、JSON、PDF 三种</dd></div>
            <div><dt>导出字段</dt><dd>单次最多 38 个</dd></div>
            <div><dt>版本追踪</dt><dd>改动标记与公告相互对照</dd></div>
            <div><dt>席位</dt><dd>单个账号</dd></div>
          </dl>
        </article>

        <article class="pp-tier" data-topic="team">
          <header class="pp-tier__head">
            <span class="tag">团队</span>
            <h3>工程与采购一起跟同一套资料</h3>
          </header>
          <dl class="pp-tier__list">
            <div><dt>栏目订阅</dt><dd>成员按分工各自订阅负责的栏目</dd></div>
            <div><dt>导出</dt><dd>三种格式，单次最多 38 个字段</dd></div>
            <div><dt>席位</dt><dd>多人席位，支持权限分配与回收</dd></div>
            <div><dt>开通方式</dt><dd>联系客服按团队人数配置</dd></div>
          </dl>
        </article>
      </div>

      <figure class="pp-tiers__media">
        <img src="{zhanqunpic:h:600w:1200}" width="1200" height="600" loading="lazy" decoding="async" alt="三列并排的权益对比示意图，用图形化方式对比席位数量与导出字段范围">
      </figure>
    </div>
  </section>

  <section class="pp-sub" id="subscribe" aria-labelledby="sub-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">03 / 订阅机制</p>
        <h2 id="sub-title">订阅之后，每周三你会收到什么</h2>
      </header>

      <div class="pp-sub__body">
        <div class="pp-sub__main">
          <p>公告订阅和栏目订阅是两条独立的线，订一条不影响另一条。公告订阅推的是每周三随版本发出的要点清单，讲清楚这一轮动了哪些栏目、哪些条目被改写；栏目订阅推的是你勾选的那几块里新增和更新的条目，只发你关心的内容。</p>
          <p>九个栏目可以任意组合订阅。做汽车电子的常订选型参数和合规文档，做消费电子的更常订应用笔记和封装尺寸，按你手上的活来挑就行。</p>
          <ul class="pp-sub__list">
            <li><span class="mono">01</span>选型参数</li>
            <li><span class="mono">02</span>应用笔记</li>
            <li><span class="mono">03</span>封装与封装尺寸</li>
            <li><span class="mono">04</span>合规文档</li>
            <li><span class="mono">05</span>交付与库存</li>
            <li><span class="mono">06</span>品牌服务</li>
            <li><span class="mono">07</span>常见问题</li>
            <li><span class="mono">08</span>版本公告</li>
            <li><span class="mono">09</span>专题文章</li>
          </ul>
        </div>
        <aside class="pp-sub__note">
          <h3>想先看一眼再订？</h3>
          <p>公告内容在专题与公告栏目里公开可读，翻两期就能判断推送的颗粒度是不是你要的。</p>
          <a class="btn btn--quiet" href="/topics/">去看最近几期公告</a>
        </aside>
      </div>
    </div>
  </section>

  <section class="pp-export" id="export" aria-labelledby="export-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">04 / 导出与字段</p>
        <h2 id="export-title">勾好字段，一次带走</h2>
        <p class="pp-sec-head__sub">选完格式再挑字段，单次最多 38 个。文件里带上版本号与导出时间，内部评审传阅时对方能看到你引的是哪一版。</p>
      </header>

      <div class="pp-filters" role="group" aria-label="按导出格式查看">
        <button type="button" class="pp-chip" data-filter="csv">CSV</button>
        <button type="button" class="pp-chip" data-filter="json">JSON</button>
        <button type="button" class="pp-chip" data-filter="pdf">PDF</button>
      </div>

      <div class="pp-format-grid">
        <article class="pp-format" data-topic="csv">
          <h3><span class="mono">CSV</span>表格比对</h3>
          <p>整列铺开，适合把几个候选料号并排放进表格，逐项对齐参数后再下结论。</p>
          <p class="pp-format__meta">常配字段：型号 · 封装形式 · 工作电压 · 工作温度 · 供货周期</p>
        </article>
        <article class="pp-format" data-topic="json">
          <h3><span class="mono">JSON</span>接进系统</h3>
          <p>结构化输出，字段名和枚举值固定，方便导入自家的选型表或物料系统里二次处理。</p>
          <p class="pp-format__meta">常配字段：厂商料号 · 容差 · 起订量 · 合规证书编号 · 更新时间</p>
        </article>
        <article class="pp-format" data-topic="pdf">
          <h3><span class="mono">PDF</span>打印签批</h3>
          <p>版面固定，带版本号与字段说明，适合打印出来走内部会签，或者作为评审附件留档。</p>
          <p class="pp-format__meta">常配字段：器件型号 · 封装尺寸 · 合规证书编号 · 版本号</p>
        </article>
      </div>

      <div class="pp-fields">
        <div class="pp-fields__head">
          <h3>可挑的字段长这样</h3>
          <p>下面只是其中一部分，勾选面板里还有更多维度可以组合。</p>
        </div>
        <ul class="pp-fields__list">
          <li>器件型号</li>
          <li>厂商料号</li>
          <li>封装形式</li>
          <li>封装尺寸</li>
          <li>工作电压</li>
          <li>工作温度</li>
          <li>容差</li>
          <li>供货周期</li>
          <li>起订量</li>
          <li>合规证书编号</li>
          <li>版本号</li>
          <li>更新时间</li>
        </ul>
      </div>

      <figure class="pp-export__media media-frame media-frame--wide">
        <img class="media-frame__img" src="{zhanqunpic:h:700w:1200}" width="1200" height="700" loading="lazy" decoding="async" alt="三种文件格式与字段勾选矩阵构成的信息图，用橙色与蓝色区分格式归属">
        <figcaption class="media-frame__tag">格式与字段</figcaption>
      </figure>

      <ol class="pp-flow">
        <li class="pp-flow__step">
          <span class="pp-flow__num mono">1</span>
          <strong>定位条目</strong>
          <span>检索或栏目里选中要带走的资料</span>
        </li>
        <li class="pp-flow__step">
          <span class="pp-flow__num mono">2</span>
          <strong>勾选字段</strong>
          <span>按评审需要挑，最多 38 个</span>
        </li>
        <li class="pp-flow__step">
          <span class="pp-flow__num mono">3</span>
          <strong>选格式导出</strong>
          <span>CSV、JSON、PDF 三选一</span>
        </li>
      </ol>
    </div>
  </section>

  <section class="pp-retrieval" id="retrieval" aria-labelledby="retrieval-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">05 / 检索与筛选</p>
        <h2 id="retrieval-title">42 万关键词，180 毫秒给结果</h2>
        <p class="pp-sec-head__sub">索引覆盖型号、封装、应用场景和合规条目四类词。搜完再按栏目大类、封装、行业方向和版本时间收窄，避免一次翻出太多无关项。</p>
      </header>

      <div class="pp-retrieval__body">
        <div class="pp-retrieval__main">
          <div class="pp-filters" role="group" aria-label="按栏目筛选结果">
            <button type="button" class="pp-chip" data-filter="param">选型参数</button>
            <button type="button" class="pp-chip" data-filter="note">应用笔记</button>
            <button type="button" class="pp-chip" data-filter="doc">合规文档</button>
            <button type="button" class="pp-chip" data-filter="stock">交付与库存</button>
          </div>

          <ul class="pp-results">
            <li class="pp-results__item" data-topic="param">
              <span class="pp-results__code mono">SOP-8</span>
              <span class="pp-results__text">封装尺寸与引脚间距参数组</span>
              <span class="pp-results__meta">选型参数</span>
            </li>
            <li class="pp-results__item" data-topic="note">
              <span class="pp-results__code mono">EN-PULL</span>
              <span class="pp-results__text">使能脚上拉电阻取值与功耗取舍</span>
              <span class="pp-results__meta">应用笔记</span>
            </li>
            <li class="pp-results__item" data-topic="doc">
              <span class="pp-results__code mono">ROHS-3</span>
              <span class="pp-results__text">无卤合规声明与证书编号索引</span>
              <span class="pp-results__meta">合规文档</span>
            </li>
            <li class="pp-results__item" data-topic="stock">
              <span class="pp-results__code mono">MOQ-45</span>
              <span class="pp-results__text">最小包装数量与常规交期</span>
              <span class="pp-results__meta">交付与库存</span>
            </li>
            <li class="pp-results__item" data-topic="note">
              <span class="pp-results__code mono">REFLOW</span>
              <span class="pp-results__text">回流焊温度曲线建议与常见偏差</span>
              <span class="pp-results__meta">应用笔记</span>
            </li>
          </ul>
        </div>

        <figure class="pp-retrieval__media media-frame media-frame--tall">
          <img class="media-frame__img" src="{zhanqunpic:h:800w:1200}" width="1200" height="800" loading="lazy" decoding="async" alt="带筛选胶囊与结果列表的检索界面截取，结果按栏目分类标注">
          <figcaption class="media-frame__tag">检索界面</figcaption>
        </figure>
      </div>
    </div>
  </section>

  <section class="pp-version" id="version" aria-labelledby="version-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">06 / 版本追踪</p>
        <h2 id="version-title">这条什么时候改的，看得见</h2>
      </header>

      <div class="pp-version__body">
        <div class="pp-version__text">
          <p>每个栏目和条目上都挂着版本标记。当前主版本是 v3.2，本轮调整过栏目结构，也扩充了可导出字段。翻到某条资料时，标记会告诉你它属于哪一版、上一版长什么样。</p>
          <p>想弄清一次变更的来龙去脉，从条目的版本标记直接跳到公告，能读到这一轮的完整说明：动了哪些栏目、新增了什么、哪些字段的写法换了。</p>
          <ul class="pp-version__steps">
            <li><span class="mono">A</span>在结果或栏目里认出条目的版本标记</li>
            <li><span class="mono">B</span>展开看本版与上一版的差异项</li>
            <li><span class="mono">C</span>顺着标记跳到当期公告读全文</li>
          </ul>
          <a class="btn btn--primary" href="/topics/">查看 v3.2 变更说明</a>
        </div>
        <figure class="pp-version__media media-frame media-frame--cut">
          <img class="media-frame__img" src="{zhanqunpic:h:700w:1100}" width="1100" height="700" loading="lazy" decoding="async" alt="左右两栏对照的版本差异视图截取，变更项以橙色标记突出">
          <figcaption class="media-frame__tag">版本差异</figcaption>
        </figure>
      </div>
    </div>
  </section>

  <section class="pp-paths" id="paths" aria-labelledby="paths-title">
    <div class="wrap">
      <header class="pp-sec-head">
        <p class="label">07 / 怎么开始</p>
        <h2 id="paths-title">三条常见路径，照自己的角色走</h2>
      </header>

      <div class="pp-paths__grid">
        <article class="pp-path">
          <span class="tag">选型工程师</span>
          <h3>先搜后订</h3>
          <p>把手上的料号搜一遍，看参数和封装对不对得上；确认常用之后把那几个栏目订上，后续的变更会主动到你面前。</p>
          <a class="pp-path__link" href="/tutorial/">看检索与订阅的操作步骤</a>
        </article>
        <article class="pp-path">
          <span class="tag">采购</span>
          <h3>比完就导出</h3>
          <p>把候选料号的交付与库存、起订量、合规证书放到一张表里比，比完直接导出成 CSV 发给内部评审。</p>
          <a class="pp-path__link" href="/connect/">聊批量取用的配置</a>
        </article>
        <article class="pp-path">
          <span class="tag">内容运营</span>
          <h3>整块搬走做专题</h3>
          <p>按栏目整理素材，导出时带版本号，做专题页或内部手册时能标清引用的是哪一版资料。</p>
          <a class="pp-path__link" href="/about-us/">了解这支团队的构成</a>
        </article>
      </div>

      <div class="pp-cta">
        <div class="pp-cta__text">
          <h3>还没想好开哪一档？</h3>
          <p>把你的团队人数、主要订哪几个栏目告诉客服，我们会给一个具体的配置建议，工作日 9:00–18:00 内回复，平均两小时内给你第一封邮件。</p>
        </div>
        <div class="pp-cta__acts">
          <a class="btn btn--primary" href="/connect/">联系客服</a>
          <a class="btn btn--ghost" href="/topics/">先看本期公告</a>
        </div>
      </div>
    </div>
  </section>

</main>

.page-products {
  --pp-line: rgba(74, 58, 46, 0.16);
  --pp-gap: clamp(14px, 2.2vw, 22px);
  --pp-pad: clamp(18px, 2.6vw, 28px);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow-x: clip;
}

.page-products .pp-crumb-bar {
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-products .pp-crumb-bar .crumbs {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products .pp-crumb-bar .crumbs a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pp-crumb-bar .crumbs a:hover {
  border-bottom-color: var(--orange);
}

.page-products .pp-crumb-bar .crumbs__sep {
  color: var(--khaki);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(26px, 4.4vw, 52px) 0 clamp(30px, 5vw, 58px);
  isolation: isolate;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -12%;
  width: min(680px, 92vw);
  height: min(460px, 68vw);
  background: var(--blue);
  border-radius: var(--r-xl);
  clip-path: polygon(34% 0, 100% 0, 100% 64%, 0 100%);
  opacity: 0.94;
  z-index: -2;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  top: 6%;
  right: -6%;
  width: min(300px, 46vw);
  height: min(300px, 46vw);
  background: var(--orange);
  border-radius: var(--r-xl);
  clip-path: polygon(46% 0, 100% 22%, 100% 100%, 0 100%);
  opacity: 0.9;
  z-index: -1;
}

.page-products .pp-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-products .pp-hero__lead {
  max-width: 42ch;
}

.page-products .pp-hero__lead .label {
  color: var(--blue);
  font-weight: 700;
}

.page-products .pp-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 800;
  text-wrap: balance;
}

.page-products .pp-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.78;
  letter-spacing: -0.01em;
  color: var(--brown);
  max-width: 46ch;
}

.page-products .pp-hero__acts {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pp-hero__stats li {
  background: var(--paper);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-products .pp-hero__stats .mono {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--blue);
  line-height: 1.1;
}

.page-products .pp-hero__stats em {
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

/* ---------- 通用章节头 ---------- */
.page-products .pp-sec-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 30px);
  max-width: 44ch;
}

.page-products .pp-sec-head .label {
  color: var(--blue);
  font-weight: 700;
}

.page-products .pp-sec-head h2 {
  margin: 0;
  font-size: clamp(24px, 4.2vw, 42px);
  line-height: 1.12;
  letter-spacing: -0.022em;
  font-weight: 800;
  text-wrap: balance;
}

.page-products .pp-sec-head__sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--brown);
  max-width: 52ch;
}

/* ---------- 01 四象限 ---------- */
.page-products .pp-quad {
  padding: clamp(34px, 6vw, 64px) 0 0;
}

.page-products .pp-quad__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: var(--pp-pad);
  border-radius: var(--r-lg);
  border: 1px solid var(--pp-line);
  background: var(--white);
  overflow: hidden;
  align-items: flex-start;
  text-align: left;
  font: inherit;
  color: inherit;
}

.page-products .pp-tile h3 {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-tile p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--brown);
}

.page-products .pp-tile__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  align-self: flex-start;
}

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

.page-products .pp-tile--a {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pp-tile--a p {
  color: rgba(244, 238, 226, 0.78);
}

.page-products .pp-tile--a .label {
  color: var(--mint);
}

.page-products .pp-tile--a .pp-tile__link {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-products .pp-tile--b {
  box-shadow: inset 4px 0 0 0 var(--orange);
}

.page-products .pp-tile--b .label {
  color: var(--orange);
}

.page-products .pp-tile--c .label {
  color: var(--blue);
}

.page-products .pp-tile--d {
  background: var(--amber);
  border-color: var(--amber);
}

.page-products .pp-tile--d p {
  color: rgba(20, 23, 28, 0.78);
}

.page-products .pp-tile--d .label {
  color: var(--ink);
}

.page-products .pp-tile--d .pp-tile__link {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.page-products .pp-quad__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-2);
  min-height: 200px;
}

.page-products .pp-quad__media .media-frame__img,
.page-products .pp-quad__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-products .pp-quad__media .media-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

/* ---------- 筛选胶囊 ---------- */
.page-products .pp-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .pp-chip {
  appearance: none;
  border: 1px solid var(--pp-line);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pp-chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.page-products .pp-chip[aria-pressed="true"],
.page-products .pp-chip.is-active,
.page-products .pp-chip:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

/* ---------- 02 权益档位 ---------- */
.page-products .pp-tiers {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-tier {
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .pp-tier[data-topic="standard"] {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(36, 87, 230, 0.14);
}

.page-products .pp-tier[data-topic="team"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .pp-tier[data-topic="team"] h3 {
  color: var(--paper);
}

.page-products .pp-tier[data-topic="team"] dt {
  color: var(--mint);
}

.page-products .pp-tier[data-topic="team"] dd {
  color: rgba(244, 238, 226, 0.84);
}

.page-products .pp-tier__head {
  display: grid;
  gap: 8px;
  justify-items: start;
}

.page-products .pp-tier__head h3 {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pp-tier__list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .pp-tier[data-topic="team"] .pp-tier__list {
  border-top-color: rgba(244, 238, 226, 0.2);
}

.page-products .pp-tier__list > div {
  display: grid;
  grid-template-columns: 5.4em 1fr;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--pp-line);
}

.page-products .pp-tier[data-topic="team"] .pp-tier__list > div {
  border-bottom-color: rgba(244, 238, 226, 0.2);
}

.page-products .pp-tier__list dt {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
  padding-top: 3px;
}

.page-products .pp-tier__list dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.page-products .pp-tiers__media {
  margin: var(--pp-gap) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--paper-2);
}

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

/* ---------- 03 订阅 ---------- */
.page-products .pp-sub {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-sub__body {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-sub__main p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--brown);
  max-width: 60ch;
}

.page-products .pp-sub__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pp-sub__list li {
  background: var(--white);
  padding: 12px 14px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13px;
  letter-spacing: -0.01em;
}

.page-products .pp-sub__list .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  font-weight: 700;
}

.page-products .pp-sub__note {
  background: var(--paper-2);
  border-left: 4px solid var(--orange);
  border-radius: var(--r-md);
  padding: var(--pp-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pp-sub__note h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pp-sub__note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--brown);
}

.page-products .pp-sub__note .btn {
  justify-self: start;
}

/* ---------- 04 导出 ---------- */
.page-products .pp-export {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-format-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-format {
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pp-format h3 {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pp-format h3 .mono {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: -0.03em;
  color: var(--blue);
}

.page-products .pp-format[data-topic="json"] h3 .mono {
  color: var(--orange);
}

.page-products .pp-format[data-topic="pdf"] h3 .mono {
  color: var(--brown);
}

.page-products .pp-format p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--brown);
}

.page-products .pp-format__meta {
  font-family: var(--font-mono);
  font-size: 11.5px !important;
  letter-spacing: 0.01em;
  color: var(--fog) !important;
  border-top: 1px dashed var(--pp-line);
  padding-top: 10px;
}

.page-products .pp-fields {
  margin-top: var(--pp-gap);
  background: var(--ink);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  color: var(--paper);
  display: grid;
  gap: 16px;
}

.page-products .pp-fields__head h3 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.page-products .pp-fields__head p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 238, 226, 0.72);
}

.page-products .pp-fields__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-fields__list li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.01em;
  padding: 7px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(43, 232, 176, 0.42);
  color: var(--mint);
  position: relative;
  padding-left: 24px;
}

.page-products .pp-fields__list li::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: var(--mint);
}

.page-products .pp-export__media {
  margin: var(--pp-gap) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--paper-2);
}

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

.page-products .pp-export__media .media-frame__tag {
  position: absolute;
  right: 14px;
  top: 14px;
  background: var(--amber);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

.page-products .pp-export__media {
  position: relative;
}

.page-products .pp-flow {
  list-style: none;
  margin: var(--pp-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: pp-flow;
}

.page-products .pp-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  padding: 14px 16px;
}

.page-products .pp-flow__num {
  grid-row: span 2;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--orange);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 0 0 5px rgba(255, 90, 31, 0.16);
}

.page-products .pp-flow__step strong {
  font-size: 14px;
  letter-spacing: -0.01em;
}

.page-products .pp-flow__step span:last-child {
  font-size: 12.5px;
  color: var(--fog);
  line-height: 1.5;
}

.page-products .pp-flow__step:not(:last-child)::after {
  content: "▼";
  position: absolute;
  left: 50%;
  bottom: -12px;
  transform: translateX(-50%);
  font-size: 9px;
  color: var(--orange);
  line-height: 1;
}

/* ---------- 05 检索 ---------- */
.page-products .pp-retrieval {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-retrieval__body {
  display: grid;
  gap: var(--pp-gap);
}

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

.page-products .pp-results__item {
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 13px 15px;
  border-left: 3px solid transparent;
  transition: border-color 150ms var(--ease), background 150ms var(--ease);
}

.page-products .pp-results__item:hover {
  border-left-color: var(--orange);
  background: var(--paper);
}

.page-products .pp-results__code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-products .pp-results__text {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-2);
}

.page-products .pp-results__meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-products .pp-retrieval__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--ink-2);
}

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

.page-products .pp-retrieval__media .media-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: var(--blue);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

/* ---------- 06 版本 ---------- */
.page-products .pp-version {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-version__body {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-version__text p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--brown);
}

.page-products .pp-version__steps {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-version__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.page-products .pp-version__steps .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  width: 22px;
  height: 22px;
  border-radius: var(--r-sm);
  display: grid;
  place-items: center;
  background: var(--amber);
  color: var(--ink);
}

.page-products .pp-version__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
  background: var(--paper-2);
}

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

.page-products .pp-version__media .media-frame__tag {
  position: absolute;
  right: 14px;
  bottom: 14px;
  background: var(--ink);
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border-radius: var(--r-pill);
}

/* ---------- 07 场景路径 ---------- */
.page-products .pp-paths {
  padding: clamp(38px, 6.5vw, 72px) 0 0;
}

.page-products .pp-paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-path {
  background: var(--white);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  padding: var(--pp-pad);
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.page-products .pp-path h3 {
  margin: 0;
  font-size: 19px;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-path p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--brown);
}

.page-products .pp-path__link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
}

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

.page-products .pp-cta {
  margin-top: var(--pp-gap);
  background: var(--ink);
  border-radius: var(--r-lg);
  padding: clamp(22px, 3.4vw, 36px);
  display: grid;
  gap: 18px;
  color: var(--paper);
  position: relative;
  overflow: hidden;
}

.page-products .pp-cta::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 87, 230, 0.55), transparent 68%);
}

.page-products .pp-cta__text {
  position: relative;
  display: grid;
  gap: 8px;
  max-width: 48ch;
}

.page-products .pp-cta__text h3 {
  margin: 0;
  font-size: clamp(20px, 3vw, 27px);
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-products .pp-cta__text p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(244, 238, 226, 0.78);
}

.page-products .pp-cta__acts {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pp-cta__acts .btn--ghost {
  color: var(--paper);
  border-color: rgba(244, 238, 226, 0.42);
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-products .pp-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-self: end;
  }

  .page-products .pp-quad__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-auto-rows: minmax(0, auto);
  }

  .page-products .pp-tile--a { grid-column: span 7; }
  .page-products .pp-tile--b { grid-column: span 5; }
  .page-products .pp-tile--c { grid-column: span 4; }
  .page-products .pp-tile--d { grid-column: span 3; }
  .page-products .pp-quad__media {
    grid-column: span 5;
    min-height: 100%;
  }

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

  .page-products .pp-tier[data-topic="team"] {
    transform: translateY(-10px);
  }

  .page-products .pp-tiers__media {
    display: none;
  }

  .page-products .pp-sub__body {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-products .pp-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-flow__step:not(:last-child)::after {
    content: "▶";
    left: auto;
    right: -14px;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%);
  }

  .page-products .pp-retrieval__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-results__item {
    grid-template-columns: 6.5em minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 12px;
  }

  .page-products .pp-version__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  }

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

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

  .page-products .pp-tier[data-topic="team"] {
    transform: none;
  }
}