.page-products {
  --pd-gap: clamp(14px, 1.8vw, 24px);
  --pd-panel: rgba(255, 255, 255, 0.05);
  --pd-panel-strong: rgba(255, 255, 255, 0.09);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .pd-crumbs {
  padding-top: clamp(16px, 2.4vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-block: clamp(24px, 3.6vw, 48px) clamp(30px, 5vw, 66px);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
  align-items: end;
}

.page-products .pd-hero__title {
  margin: 12px 0 18px;
}

.page-products .pd-hero__lede {
  margin: 0;
  max-width: 54ch;
  color: var(--muted-soft);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

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

.page-products .pd-facts__item {
  background: var(--indigo);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pd-facts__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-products .pd-facts__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 通用图区 ---------- */
.page-products .pd-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .pd-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(7, 14, 32, 0.65);
}

.page-products .pd-figure .figure-cap {
  margin-top: 10px;
}

.page-products .pd-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

/* ---------- 产品线 ---------- */
.page-products .pd-lines__grid {
  display: grid;
}

.page-products .pd-line {
  position: relative;
  padding: 22px 0 24px 18px;
  border-top: 1px solid var(--line);
}

.page-products .pd-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 24px;
  width: 2px;
  background: var(--line);
  transition: background var(--t) var(--ease);
}

.page-products .pd-line:hover::before {
  background: var(--cyan);
}

.page-products .pd-line__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .pd-line__role {
  margin: 6px 0 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--amber);
}

.page-products .pd-line__body {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted-soft);
}

.page-products .pd-line__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
}

.page-products .pd-line__list li {
  position: relative;
  padding-left: 14px;
}

.page-products .pd-line__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 下载区 ---------- */
.page-products .pd-download {
  padding-block: clamp(40px, 6vw, 78px);
  background: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-dl__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-products .pd-dl__cards {
  display: grid;
  gap: var(--pd-gap);
  align-content: start;
}

.page-products .pd-dl {
  padding: clamp(18px, 2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--pd-panel);
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-products .pd-dl:hover {
  border-color: rgba(43, 227, 210, 0.55);
  background: var(--pd-panel-strong);
}

.page-products .pd-dl__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-products .pd-dl__intro {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted-soft);
}

.page-products .pd-spec {
  margin: 18px 0 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-products .pd-spec__row {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-spec dt {
  font-size: 13px;
  color: var(--muted);
}

.page-products .pd-spec dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-products .pd-dl__figure {
  margin-bottom: 0;
}

/* ---------- 折叠面板 ---------- */
.page-products .pd-acc {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-products .pd-acc > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.page-products .pd-acc > summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-acc > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pd-acc[open] > summary::after {
  content: "—";
}

.page-products .pd-acc__body {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-soft);
}

.page-products .pd-steps {
  margin: 14px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted-soft);
}

/* ---------- 会员层级 ---------- */
.page-products .pd-tiers {
  padding-block: clamp(40px, 6vw, 78px);
}

.page-products .pd-tier__grid {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-tier {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 1.7vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--pd-panel);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-products .pd-tier:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: var(--pd-panel-strong);
}

.page-products .pd-tier__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-products .pd-tier__name {
  margin: 0;
}

.page-products .pd-tier__count {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 13px;
  color: var(--muted-soft);
}

.page-products .pd-tier__num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  color: var(--amber);
}

.page-products .pd-tier__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--text);
}

.page-products .pd-tier__list li {
  position: relative;
  padding-left: 13px;
}

.page-products .pd-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .pd-tier__gate {
  margin: 0;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pd-tier__peek {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--cyan);
}

.page-products .pd-tier--d {
  border-color: rgba(255, 179, 82, 0.42);
  background: rgba(255, 179, 82, 0.06);
}

.page-products .pd-tier--d:hover {
  border-color: var(--amber);
}

.page-products .pd-tier--d .pd-tier__code {
  color: var(--amber);
}

/* ---------- 兑换规则时间线 ---------- */
.page-products .pd-exchange {
  padding-block: clamp(38px, 5.5vw, 72px);
}

.page-products .pd-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 34px;
  position: relative;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--amber));
}

.page-products .pd-node {
  position: relative;
  padding: 0 0 22px;
}

.page-products .pd-node:last-child {
  padding-bottom: 0;
}

.page-products .pd-node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 179, 82, 0.16);
}

.page-products .pd-node .pd-acc {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-products .pd-node .pd-acc > summary {
  display: block;
  position: relative;
  padding-right: 26px;
}

.page-products .pd-node .pd-acc > summary::after {
  position: absolute;
  right: 0;
  top: 2px;
}

.page-products .pd-node__date {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-products .pd-node__title {
  display: block;
  margin-top: 4px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text);
}

/* ---------- 商户工作台 ---------- */
.page-products .pd-merchant {
  padding-block: clamp(40px, 6vw, 78px);
  background: linear-gradient(180deg, rgba(43, 227, 210, 0.06), rgba(14, 24, 54, 0) 62%);
}

.page-products .pd-merchant__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 46px);
}

.page-products .pd-merchant__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-merchant__list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pd-merchant__k {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .pd-merchant__list h3 {
  margin: 0 0 6px;
}

.page-products .pd-merchant__list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--muted-soft);
}

.page-products .pd-join {
  margin-top: 28px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-sm);
  background: rgba(255, 179, 82, 0.06);
}

.page-products .pd-join h3 {
  margin: 0 0 8px;
}

.page-products .pd-join p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted-soft);
}

.page-products .pd-merchant__figure {
  margin-bottom: 0;
}

/* ---------- 常见问题入口 ---------- */
.page-products .pd-help {
  padding-block: clamp(38px, 5.5vw, 72px) clamp(48px, 7vw, 90px);
}

.page-products .pd-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-help__list > li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--pd-panel);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-products .pd-help__list > li:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-products .pd-help__list a {
  display: block;
  margin-bottom: 6px;
  font-size: 15.5px;
}

.page-products .pd-help__list span {
  display: block;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-help__foot {
  margin: 28px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .pd-spec__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 640px) {
  .page-products .pd-tier__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pd-help__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pd-lines__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(18px, 2vw, 30px);
    border-top: 1px solid var(--line);
  }

  .page-products .pd-line {
    border-top: 0;
    padding: 26px 0 30px 18px;
  }

  .page-products .pd-line::before {
    top: 26px;
    bottom: 30px;
  }
}

@media (min-width: 960px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1000px) {
  .page-products .pd-dl__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-products .pd-merchant__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-tier__grid {
    grid-template-columns: 2fr 3fr 3fr 4fr;
    align-items: start;
  }
}

@media (hover: hover) and (min-width: 1100px) {
  .page-products .pd-tier__peek {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height var(--t) var(--ease), opacity var(--t) var(--ease), margin-top var(--t) var(--ease);
  }

  .page-products .pd-tier:hover .pd-tier__peek,
  .page-products .pd-tier:focus-within .pd-tier__peek {
    max-height: 90px;
    margin-top: 8px;
    opacity: 1;
  }
}