.page-products {
  --pp-notch: 20px;
  --pp-edge: rgba(184, 134, 47, .28);
  --pp-hair: rgba(90, 27, 16, .9);
  --pp-panel: rgba(14, 26, 42, .72);
  --pp-green: rgba(14, 59, 49, .5);
  position: relative;
  overflow-x: clip;
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 720px;
  background: linear-gradient(165deg, rgba(226, 59, 24, .17) 0%, rgba(11, 21, 34, 0) 62%);
  pointer-events: none;
  z-index: 0;
}

.page-products > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding: calc(var(--header-h) + 48px) 0 44px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-products .prod-hero__title {
  margin: 12px 0 0;
  line-height: 1.04;
}

.page-products .prod-hero__text {
  margin: 20px 0 0;
  max-width: 50ch;
  color: var(--fg);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero__anchor {
  justify-self: start;
  width: 100%;
  max-width: 340px;
  padding: 20px 22px 24px;
  border: 1px solid var(--pp-edge);
  border-left: 2px solid var(--ember);
  background: linear-gradient(150deg, rgba(14, 59, 49, .58), rgba(11, 21, 34, .25));
  clip-path: polygon(0 0, calc(100% - var(--pp-notch)) 0, 100% var(--pp-notch), 100% 100%, var(--pp-notch) 100%, 0 calc(100% - var(--pp-notch)));
}

.page-products .prod-hero__num {
  display: block;
  margin: 6px 0 6px;
  font-size: clamp(58px, 15vw, 92px);
  line-height: 1;
  color: var(--ember);
}

.page-products .prod-hero__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 产品线索引矩阵 ---------- */
.page-products .prod-index {
  padding: 36px 0 12px;
}

.page-products .prod-index__head {
  max-width: 700px;
  margin-bottom: 26px;
}

.page-products .prod-index__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 5.6vw, 38px);
  font-weight: 300;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--fg);
}

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

.page-products .prod-cell {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(160deg, rgba(14, 26, 42, .92), rgba(7, 10, 13, .72));
  clip-path: polygon(0 0, calc(100% - var(--pp-notch)) 0, 100% var(--pp-notch), 100% 100%, var(--pp-notch) 100%, 0 calc(100% - var(--pp-notch)));
}

.page-products .prod-cell--pick {
  border-color: rgba(240, 167, 51, .55);
  background: linear-gradient(158deg, rgba(226, 59, 24, .24), rgba(14, 26, 42, .92) 56%);
}

.page-products .prod-cell__flag {
  align-self: flex-start;
  margin-bottom: 14px;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--ember);
}

.page-products .prod-cell__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--metal);
}

.page-products .prod-cell__name {
  margin: 10px 0 16px;
  font-size: clamp(20px, 4.6vw, 26px);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-products .prod-cell__meta {
  flex: 1;
  display: grid;
  gap: 10px;
  margin: 0 0 20px;
}

.page-products .prod-cell__row {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(90, 27, 16, .65);
}

.page-products .prod-cell__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .prod-cell__row dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--metal);
}

.page-products .prod-cell__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .prod-cell__link {
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--flame-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 69, .42);
}

.page-products .prod-cell__link:hover {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

.page-products .prod-cell__link:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

/* ---------- 产品带 ---------- */
.page-products .prod-band {
  position: relative;
  padding: 52px 0;
  border-top: 1px solid var(--pp-hair);
}

.page-products .prod-band::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--metal);
}

.page-products .prod-band--free {
  background: linear-gradient(180deg, rgba(14, 59, 49, .3), rgba(14, 59, 49, 0) 70%);
}

.page-products .prod-band--big {
  background: linear-gradient(200deg, rgba(14, 59, 49, .28), rgba(11, 21, 34, 0) 58%);
}

.page-products .prod-band__grid {
  display: grid;
  gap: 26px;
}

.page-products .prod-band__title {
  margin: 12px 0 0;
  font-size: clamp(26px, 6vw, 42px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.025em;
  color: var(--fg);
}

.page-products .prod-band__body {
  min-width: 0;
}

.page-products .prod-band__link {
  margin: 26px 0 0;
}

.page-products .prod-facts {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  border-top: 1px solid var(--pp-hair);
}

.page-products .prod-facts li {
  position: relative;
  padding: 12px 0 12px 18px;
  border-bottom: 1px solid rgba(90, 27, 16, .6);
  font-size: 15px;
  line-height: 1.68;
  color: var(--muted);
}

.page-products .prod-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 9px;
  height: 1px;
  background: var(--ember);
}

.page-products .prod-facts strong {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ember);
}

/* ---------- 图片 ---------- */
.page-products .prod-shot {
  position: relative;
  margin: 26px 0 0;
  border: 1px solid var(--pp-hair);
  background: linear-gradient(150deg, rgba(226, 59, 24, .2), rgba(14, 59, 49, .5));
  clip-path: polygon(0 0, calc(100% - var(--pp-notch)) 0, 100% var(--pp-notch), 100% 100%, var(--pp-notch) 100%, 0 calc(100% - var(--pp-notch)));
  overflow: hidden;
}

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

.page-products .prod-shot figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  background: rgba(7, 10, 13, .84);
}

.page-products .prod-shot--portrait {
  max-width: 400px;
}

.page-products .prod-shot--diagram {
  max-width: 520px;
}

/* ---------- 客户端能力 ---------- */
.page-products .prod-abilities {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid rgba(90, 27, 16, .75);
}

.page-products .prod-ability {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(90, 27, 16, .75);
}

.page-products .prod-ability__idx {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.page-products .prod-ability h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  color: var(--fg);
}

.page-products .prod-ability p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 设备适配示意 ---------- */
.page-products .prod-screens {
  display: block;
  width: 100%;
  max-width: 660px;
  height: auto;
  margin: 26px 0 0;
}

.page-products .prod-screens rect {
  fill: rgba(255, 244, 236, .05);
  stroke: var(--pp-edge);
  stroke-width: 1;
}

.page-products .prod-screens .ps-accent {
  fill: rgba(226, 59, 24, .18);
  stroke: var(--ember);
}

.page-products .prod-screens text {
  fill: var(--slate);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}

/* ---------- 入门三步 ---------- */
.page-products .prod-start {
  padding: 52px 0;
  border-top: 1px solid var(--pp-hair);
  position: relative;
}

.page-products .prod-start::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--metal);
}

.page-products .prod-start__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 5.4vw, 36px);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-products .prod-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-hair);
}

.page-products .prod-step {
  border-bottom: 1px solid var(--pp-hair);
}

.page-products .prod-step summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: baseline;
  padding: 17px 2px;
  cursor: pointer;
  list-style: none;
}

.page-products .prod-step summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-step summary:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 2px;
}

.page-products .prod-step__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.page-products .prod-step__name {
  font-size: 17px;
  color: var(--fg);
}

.page-products .prod-step__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .prod-step__body {
  padding: 0 2px 20px 46px;
}

.page-products .prod-step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 费用 ---------- */
.page-products .prod-fees {
  position: relative;
  padding: 52px 0;
  border-top: 1px solid var(--pp-hair);
  background: linear-gradient(180deg, rgba(11, 21, 34, .92), rgba(7, 10, 13, .92));
}

.page-products .prod-fees::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--ember);
}

.page-products .prod-fees__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 5.4vw, 38px);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-products .prod-fees__layout {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-products .prod-fees__main {
  min-width: 0;
}

.page-products .prod-fees__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--pp-hair);
}

.page-products .prod-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--metal);
  background: rgba(7, 10, 13, .85);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.62;
  border-bottom: 1px solid rgba(90, 27, 16, .6);
}

.page-products .prod-table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  white-space: nowrap;
  color: var(--metal);
  background: rgba(14, 59, 49, .55);
}

.page-products .prod-table tbody th {
  font-weight: 500;
  white-space: nowrap;
  color: var(--fg);
}

.page-products .prod-table tbody td {
  color: var(--muted);
}

.page-products .prod-table tbody tr:nth-child(even) th,
.page-products .prod-table tbody tr:nth-child(even) td {
  background: rgba(14, 59, 49, .26);
}

.page-products .prod-fees__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .prod-side-card {
  padding: 18px 20px 20px;
  border: 1px solid var(--pp-hair);
  border-top: 2px solid var(--ember);
  background: rgba(14, 26, 42, .7);
}

.page-products .prod-side-card h3 {
  margin: 8px 0 10px;
  font-size: 16px;
  font-weight: 500;
  color: var(--fg);
}

.page-products .prod-side-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-fees__more {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-fees__more a {
  color: var(--flame-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 69, .42);
}

.page-products .prod-fees__more a:hover {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

/* ---------- 升级与咨询 ---------- */
.page-products .prod-help {
  padding: 52px 0 72px;
  border-top: 1px solid var(--pp-hair);
  position: relative;
}

.page-products .prod-help::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 72px;
  height: 2px;
  background: var(--metal);
}

.page-products .prod-help__inner {
  display: grid;
  gap: 28px;
}

.page-products .prod-help__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 5.4vw, 36px);
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--fg);
}

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

.page-products .prod-help__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .prod-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--metal);
}

.page-products .prod-help__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .prod-help__note a {
  color: var(--flame-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 69, .42);
}

.page-products .prod-help__note a:hover {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

.page-products .prod-help__card {
  align-self: start;
  padding: 22px 22px 24px;
  border: 1px solid var(--pp-edge);
  background: linear-gradient(155deg, rgba(226, 59, 24, .2), rgba(11, 21, 34, .88));
  clip-path: polygon(0 0, calc(100% - var(--pp-notch)) 0, 100% var(--pp-notch), 100% 100%, var(--pp-notch) 100%, 0 calc(100% - var(--pp-notch)));
}

.page-products .prod-help__card .contact-item {
  margin-top: 14px;
}

.page-products .prod-copy {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--flame-300);
  cursor: pointer;
  text-align: left;
  word-break: break-all;
}

.page-products .prod-copy:hover {
  color: var(--ember);
}

.page-products .prod-copy:focus-visible {
  outline: 2px solid var(--ember);
  outline-offset: 3px;
}

.page-products .prod-help__hours {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(90, 27, 16, .7);
  font-size: 13px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .8fr);
    gap: 48px;
    align-items: end;
  }

  .page-products .prod-hero__anchor {
    max-width: none;
  }

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

  .page-products .prod-band__grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 52px;
  }

  .page-products .prod-band__aside {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-products .prod-fees__layout {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, .78fr);
    gap: 32px;
  }

  .page-products .prod-help__inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .78fr);
    gap: 40px;
  }

  .page-products .prod-shot--wide {
    margin-top: 30px;
  }
}

@media (min-width: 1080px) {
  .page-products .prod-hero {
    padding-top: calc(var(--header-h) + 80px);
    padding-bottom: 60px;
  }

  .page-products .prod-band {
    padding: 74px 0;
  }

  .page-products .prod-band__grid {
    gap: 72px;
  }

  .page-products .prod-start,
  .page-products .prod-fees {
    padding: 74px 0;
  }

  .page-products .prod-help {
    padding: 74px 0 96px;
  }

  .page-products .prod-hero__text {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-cell__link,
  .page-products .prod-fees__more a,
  .page-products .prod-help__note a {
    transition: none;
  }
}