.page-products {
  --prod-gap: clamp(18px, 3vw, 40px);
  --prod-rhythm: clamp(44px, 6vw, 80px);
  --prod-card: linear-gradient(155deg, rgba(18, 24, 36, .96), rgba(10, 14, 21, .96));
  color: var(--text);
  background:
    radial-gradient(780px 420px at 88% -8%, rgba(0, 229, 255, .13), transparent 62%),
    radial-gradient(620px 380px at 0% 6%, rgba(123, 97, 255, .1), transparent 68%);
  padding-bottom: var(--prod-rhythm);
}

.page-products .prod-crumbs {
  padding-top: clamp(14px, 2vw, 22px);
  font-size: .8rem;
}

.page-products .prod-crumbs a {
  color: var(--silver);
  text-decoration: none;
}

.page-products .prod-crumbs a:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(18px, 3vw, 34px) clamp(34px, 5vw, 64px);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: center;
}

.page-products .prod-hero__visual {
  display: grid;
  justify-items: center;
  gap: 14px;
}

.page-products .phone-frame {
  position: relative;
  width: min(300px, 100%);
  padding: 12px;
  border-radius: 30px;
  background: linear-gradient(165deg, #1a2231, #080c13 62%);
  border: 1px solid rgba(0, 229, 255, .32);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, .55), 0 26px 64px -26px rgba(0, 229, 255, .45);
}

.page-products .phone-frame::after {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 22px;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0, 229, 255, .07) 0 1px, transparent 1px 4px);
  mix-blend-mode: screen;
}

.page-products .phone-frame__notch {
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 5px;
  border-radius: 99px;
  background: rgba(154, 166, 184, .4);
  z-index: 2;
}

.page-products .phone-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 22px;
  object-fit: cover;
}

.page-products .prod-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.page-products .prod-hero__copy {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .prod-hero__copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: .045em;
  color: var(--ice);
  text-shadow: 0 0 34px rgba(0, 229, 255, .22);
}

.page-products .prod-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.78;
  color: var(--text);
}

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

.page-products .prod-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 4px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .prod-stats__item {
  display: grid;
  gap: 4px;
}

.page-products .prod-stats dt {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--silver);
}

.page-products .prod-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 主体分栏 ---------- */
.page-products .prod-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: start;
}

.page-products .prod-index__inner {
  padding: 18px 16px;
  display: grid;
  gap: 12px;
  border-radius: var(--radius);
}

.page-products .prod-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--silver);
}

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

.page-products .prod-index__link {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  font-size: .9rem;
  color: var(--silver);
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}

.page-products .prod-index__link:hover,
.page-products .prod-index__link:focus-visible {
  color: var(--ice);
  border-left-color: var(--cyan);
  background: rgba(0, 229, 255, .07);
}

.page-products .prod-index__link[aria-current] {
  color: var(--ice);
  border-left-color: var(--magenta);
  background: rgba(0, 229, 255, .1);
}

.page-products .prod-index__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  line-height: 1.7;
  color: var(--silver);
}

.page-products .prod-index__foot a {
  color: var(--cyan);
}

.page-products .prod-col {
  display: grid;
  gap: 0;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-products .prod-sec {
  padding-block: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-products .prod-col > .prod-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .prod-sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(18px, 2.5vw, 26px);
}

.page-products .prod-sec__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .2em;
  color: var(--magenta);
}

.page-products .prod-sec__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.05rem);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-products .prod-sec__intro {
  margin: 0;
  max-width: 64ch;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--text);
}

/* ---------- 三步 ---------- */
.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .prod-steps__item {
  position: relative;
  padding: 18px 16px 20px;
  background: var(--prod-card);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-left-color .2s ease, box-shadow .2s ease;
}

.page-products .prod-steps__item:hover {
  border-left-color: var(--amber);
  box-shadow: 0 0 30px -10px rgba(0, 229, 255, .5);
}

.page-products .prod-steps__no {
  display: block;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--cyan);
  margin-bottom: 6px;
}

.page-products .prod-steps__item h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ice);
}

.page-products .prod-steps__item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 图片与图注 ---------- */
.page-products .prod-fig {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

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

.page-products .prod-fig figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--silver);
}

/* ---------- 设备卡片 ---------- */
.page-products .prod-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .prod-device {
  padding: 18px 16px;
  display: grid;
  gap: 8px;
  align-content: start;
  border-radius: var(--radius);
}

.page-products .prod-device__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .prod-device h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ice);
}

.page-products .prod-device__list {
  margin: 0;
  padding-left: 1.05em;
  display: grid;
  gap: 6px;
  font-size: .9rem;
  line-height: 1.68;
  color: var(--text);
}

.page-products .prod-device__list li::marker {
  color: var(--magenta);
}

/* ---------- 曲线 ---------- */
.page-products .prod-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
  align-items: start;
}

.page-products .prod-split .prod-fig {
  margin: 0;
}

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

.page-products .prod-caps__item {
  padding: 14px 14px 14px 16px;
  background: var(--prod-card);
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-products .prod-caps__item:hover {
  border-left-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(0, 229, 255, .18), 0 0 28px -8px rgba(0, 229, 255, .45);
}

.page-products .prod-caps__item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ice);
}

.page-products .prod-caps__item p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 版本对照 ---------- */
.page-products .prod-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-products .prod-fields {
  margin: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: rgba(18, 24, 36, .7);
}

.page-products .prod-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 14px;
  border-top: 1px solid var(--line);
}

.page-products .prod-field:first-child {
  border-top: 0;
}

.page-products .prod-field dt {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-products .prod-field dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 赛季 ---------- */
.page-products .prod-seasons {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: 8px;
}

.page-products .prod-season {
  padding: 9px 8px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--silver);
  border: 1px solid var(--line);
  background: rgba(18, 24, 36, .72);
}

.page-products .prod-season--now {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

/* ---------- 流程手风琴 ---------- */
.page-products .prod-flow {
  display: grid;
  gap: 8px;
}

.page-products .prod-flow__item {
  border: 1px solid var(--line);
  background: var(--prod-card);
}

.page-products .prod-flow__item[open] {
  border-color: rgba(0, 229, 255, .32);
}

.page-products .prod-flow__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 600;
  color: var(--ice);
}

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

.page-products .prod-flow__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 1.05rem;
  color: var(--cyan);
}

.page-products .prod-flow__item[open] .prod-flow__summary::after {
  content: "−";
}

.page-products .prod-flow__no {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--magenta);
}

.page-products .prod-flow__body {
  margin: 0;
  padding: 0 14px 16px;
  font-size: .92rem;
  line-height: 1.76;
  color: var(--text);
}

.page-products .prod-flow__body a,
.page-products .prod-note a {
  color: var(--cyan);
  text-decoration: none;
}

.page-products .prod-flow__body a:hover,
.page-products .prod-note a:hover {
  text-decoration: underline;
}

.page-products .prod-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--amber);
  font-size: .86rem;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 行动入口 ---------- */
.page-products .prod-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .prod-cta__card {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 18px 16px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  background: var(--prod-card);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-products .prod-cta__card:hover,
.page-products .prod-cta__card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, .42);
  box-shadow: 0 18px 40px -24px rgba(0, 229, 255, .6);
}

.page-products .prod-cta__k {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--ice);
}

.page-products .prod-cta__d {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 桌面分栏 ---------- */
@media (min-width: 760px) {
  .page-products .prod-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-products .prod-field {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 820px) {
  .page-products .prod-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }

  .page-products .phone-frame {
    width: min(340px, 100%);
    transform: perspective(1400px) rotateY(-7deg) rotateX(2deg);
  }
}

@media (min-width: 980px) {
  .page-products .prod-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-products .prod-index {
    position: sticky;
    top: 92px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-index__link,
  .page-products .prod-steps__item,
  .page-products .prod-caps__item,
  .page-products .prod-cta__card {
    transition: none;
  }

  .page-products .prod-cta__card:hover,
  .page-products .prod-cta__card:focus-visible {
    transform: none;
  }
}