.page-products {
  --pp-gap: clamp(18px, 3.2vw, 30px);
  --pp-space: clamp(48px, 8vw, 92px);
  --pp-ink: var(--ink-700);
  color: var(--text);
  padding-block: clamp(14px, 2.6vw, 26px) clamp(56px, 9vw, 104px);
  overflow-x: clip;
}

.page-products .pp-crumb {
  padding-bottom: clamp(10px, 2vw, 18px);
}

/* ---------- 首屏拼贴 ---------- */
.page-products .pp-hero {
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
  padding-bottom: clamp(20px, 3.5vw, 34px);
  position: relative;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: -40px -10% auto -10%;
  height: 320px;
  background: radial-gradient(60% 80% at 22% 0%, rgba(0, 230, 195, 0.12), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.page-products .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 8vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}

.page-products .pp-hero__lede {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-products .pp-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-products .pp-hero__quick {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-c);
  padding: clamp(16px, 2.6vw, 22px);
}

.page-products .pp-hero__quick-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pp-hero__quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-hero__quick-list .quick-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px;
  border-radius: 10px 4px 10px 4px;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 14px;
  transition: background var(--t-fast) var(--ease-out), color var(--t-fast) var(--ease-out);
}

.page-products .pp-hero__quick-list .quick-link:hover,
.page-products .pp-hero__quick-list .quick-link:focus-visible {
  background: var(--ink-650);
  color: var(--cyan-soft);
}

.page-products .pp-hero__quick-list .quick-link__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  flex: none;
}

.page-products .pp-hero__figure-wrap {
  padding-inline: var(--gutter-sm);
  margin-inline: auto;
  max-width: var(--shell-max);
}

.page-products .pp-hero__figure {
  margin: 0;
}

.page-products .pp-hero__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--r-a);
  border: 1px solid var(--line);
}

.page-products .pp-hero__figure .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 章节索引 ---------- */
.page-products .pp-index {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .pp-index__nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.page-products .pp-index__nav .section-nav__link {
  flex: none;
  white-space: nowrap;
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out);
}

.page-products .pp-index__nav .section-nav__link:hover,
.page-products .pp-index__nav .section-nav__link[aria-current="true"] {
  color: var(--cyan);
  border-color: var(--line);
  background: rgba(0, 230, 195, 0.07);
}

/* ---------- 三步路线 ---------- */
.page-products .pp-path {
  margin-top: var(--pp-space);
}

.page-products .pp-path__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 4.4vw, 34px);
  margin: 8px 0 0;
  letter-spacing: -0.01em;
}

.page-products .pp-path__board {
  position: relative;
  margin-top: clamp(20px, 3.4vw, 32px);
}

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

.page-products .pp-path__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: pp-step;
}

.page-products .pp-path__step {
  background: var(--pp-ink);
  border: 1px solid var(--line);
  border-radius: var(--r-b);
  padding: clamp(16px, 2.6vw, 22px);
  position: relative;
  transition: border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}

.page-products .pp-path__step:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pp-path__idx {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pp-path__step h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 22px);
}

.page-products .pp-path__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  margin-top: var(--pp-space);
}

.page-products .pp-section__head h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 5.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 8px 0 0;
}

.page-products .pp-section__lede {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--text-soft);
}

/* ---------- 档位对照 ---------- */
.page-products .pp-tiers {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(22px, 3.6vw, 34px);
}

.page-products .pp-tier {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-a);
  padding: clamp(18px, 2.8vw, 26px);
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}

.page-products .pp-tier:hover {
  transform: translateY(-3px);
}

.page-products .pp-tier--b {
  border-radius: var(--r-b);
  border-color: rgba(0, 230, 195, 0.35);
}

.page-products .pp-tier--b:hover {
  border-color: var(--cyan);
}

.page-products .pp-tier--c {
  border-radius: var(--r-c);
  background: linear-gradient(158deg, var(--clay-deep) 0%, #150C0A 58%, var(--ink-800) 100%);
  border-color: rgba(255, 107, 53, 0.34);
}

.page-products .pp-tier--c:hover {
  border-color: var(--clay);
}

.page-products .pp-tier .tag--cyan {
  color: var(--cyan);
  border-color: rgba(0, 230, 195, 0.4);
}

.page-products .pp-tier .tag--clay {
  color: var(--clay-soft);
  border-color: rgba(255, 107, 53, 0.45);
}

.page-products .pp-tier h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(17px, 2.3vw, 21px);
  line-height: 1.35;
}

.page-products .pp-tier__specs {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  padding: 0;
}

.page-products .pp-tier__specs > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .pp-tier__specs > div:last-child {
  border-bottom: none;
}

.page-products .pp-tier__specs dt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .pp-tier__specs dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-products .pp-tier__specs .mono {
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1;
}

.page-products .pp-tier__specs .num {
  color: var(--clay);
}

.page-products .pp-tier__fit {
  margin: auto 0 0;
  padding-top: clamp(14px, 2.2vw, 18px);
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 费用卡 ---------- */
.page-products .pp-fee {
  margin-top: clamp(22px, 3.6vw, 34px);
  display: grid;
  gap: var(--pp-gap);
  padding: clamp(18px, 3vw, 32px);
  border-radius: var(--r-b);
  border: 1px solid rgba(255, 107, 53, 0.32);
  background: linear-gradient(142deg, var(--clay-deep) 0%, #120A08 55%, var(--ink-800) 100%);
}

.page-products .pp-fee__media {
  margin: 0;
}

.page-products .pp-fee__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-a);
  border: 1px solid rgba(255, 107, 53, 0.28);
  object-fit: cover;
}

.page-products .pp-fee__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay-soft);
}

.page-products .pp-fee__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-fee__stats li {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-products .pp-fee__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(38px, 9vw, 58px);
  line-height: 0.95;
  color: var(--clay);
  flex: none;
  min-width: 1.2em;
}

.page-products .pp-fee__label {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-products .pp-fee__note {
  margin: clamp(18px, 2.8vw, 24px) 0 0;
  padding-top: clamp(14px, 2vw, 18px);
  border-top: 1px solid rgba(255, 107, 53, 0.24);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .pp-fee .btn {
  margin-top: clamp(16px, 2.4vw, 20px);
}

/* ---------- 双栏说明 ---------- */
.page-products .pp-split {
  margin-top: clamp(22px, 3.6vw, 34px);
  display: grid;
  gap: var(--pp-gap);
  align-items: start;
}

.page-products .pp-split__media {
  margin: 0;
}

.page-products .pp-split__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-a);
  border: 1px solid var(--line);
  object-fit: cover;
}

.page-products .pp-split__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-products .pp-split__body h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.8vw, 25px);
  line-height: 1.3;
}

.page-products .pp-split__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 40em;
}

.page-products .pp-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-products .pp-split__body .btn {
  margin-top: clamp(16px, 2.4vw, 22px);
}

/* ---------- 疑问 ---------- */
.page-products .pp-faq {
  margin-top: clamp(20px, 3.2vw, 30px);
  display: grid;
  gap: 10px;
}

.page-products .pp-faq__item {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-c);
  padding: 0 clamp(16px, 2.4vw, 22px);
  transition: border-color var(--t-base) var(--ease-out);
}

.page-products .pp-faq__item[open] {
  border-color: rgba(0, 230, 195, 0.34);
}

.page-products .pp-faq__item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  position: relative;
  padding-right: 26px;
}

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

.page-products .pp-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  line-height: 1;
}

.page-products .pp-faq__item[open] summary::after {
  content: "–";
}

.page-products .pp-faq__item p {
  margin: 0;
  padding: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-soft);
  max-width: 46em;
}

.page-products .pp-faq__item a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 195, 0.4);
  white-space: nowrap;
}

.page-products .pp-faq__item a:hover {
  color: var(--cyan-soft);
}

/* ---------- 相关入口 ---------- */
.page-products .pp-next {
  margin-top: var(--pp-space);
}

.page-products .pp-next__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 3.4vw, 28px);
  margin: 0 0 clamp(16px, 2.6vw, 22px);
}

.page-products .pp-next__grid {
  display: grid;
  gap: 12px;
}

.page-products .pp-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 22px);
  text-decoration: none;
  color: var(--text-soft);
  transition: border-color var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out);
}

.page-products .pp-next__card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pp-next__card strong {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--text);
}

.page-products .pp-next__card span:last-child {
  font-size: 14px;
  line-height: 1.7;
}

.page-products .pp-next__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-hero__figure img {
    aspect-ratio: 16 / 7;
  }

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

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

  .page-products .pp-path__steps li:nth-child(2) {
    margin-top: 26px;
    border-radius: var(--r-c);
  }

  .page-products .pp-path__steps li:nth-child(3) {
    margin-top: 52px;
    border-radius: var(--r-a);
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(26px, 4vw, 52px);
  }

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

  .page-products .pp-tier:nth-child(2) {
    margin-top: 20px;
  }

  .page-products .pp-tier:nth-child(3) {
    margin-top: 40px;
  }

  .page-products .pp-fee {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: center;
    gap: clamp(24px, 4vw, 48px);
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(26px, 4vw, 52px);
  }

  .page-products .pp-split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pp-split--reverse .pp-split__media {
    order: -1;
  }
}

@media (min-width: 1080px) {
  .page-products .pp-path__lines {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }

  .page-products .pp-path__lines path {
    fill: none;
    stroke: var(--line);
    stroke-width: 1.5;
    stroke-dasharray: 6 8;
    transition: stroke var(--t-slow) linear;
  }

  .page-products .pp-path__lines circle {
    fill: var(--ink-900);
    stroke: var(--cyan);
    stroke-width: 1.5;
  }

  .page-products .pp-path__board:has(.pp-path__step:nth-child(1):hover) .pp-path__lines path:nth-of-type(1),
  .page-products .pp-path__board:has(.pp-path__step:nth-child(2):hover) .pp-path__lines path:nth-of-type(1),
  .page-products .pp-path__board:has(.pp-path__step:nth-child(2):hover) .pp-path__lines path:nth-of-type(2),
  .page-products .pp-path__board:has(.pp-path__step:nth-child(3):hover) .pp-path__lines path:nth-of-type(2) {
    stroke: var(--cyan);
  }

  .page-products .pp-path__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 3.4vw, 44px);
  }
}