.page-products {
  --pp-line: rgba(76, 29, 149, .72);
  --pp-panel: linear-gradient(160deg, rgba(18, 18, 42, .94), rgba(10, 10, 18, .78));
  --pp-halo: radial-gradient(50% 50% at 50% 46%, rgba(168, 85, 247, .38), rgba(168, 85, 247, 0) 72%);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 36px) clamp(40px, 6vw, 84px);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: -28% -18% auto -18%;
  height: 92%;
  background:
    radial-gradient(45% 55% at 78% 24%, rgba(168, 85, 247, .30), transparent 70%),
    radial-gradient(42% 46% at 10% 6%, rgba(45, 156, 219, .16), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

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

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .prod-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  font-size: .875rem;
  color: var(--muted);
}

.page-products .prod-hero__facts li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 悬浮设备 ---------- */
.page-products .device-stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(22px, 4vw, 46px) clamp(14px, 4vw, 36px);
}

.page-products .device-halo {
  position: absolute;
  inset: 8% 6%;
  border-radius: 50%;
  background: var(--pp-halo);
  filter: blur(30px);
  z-index: 0;
}

.page-products .device-frame {
  position: relative;
  z-index: 1;
  width: min(292px, 70vw);
  padding: 10px;
  border-radius: 36px;
  border: 1px solid rgba(168, 85, 247, .55);
  background: linear-gradient(170deg, rgba(168, 85, 247, .24), rgba(10, 10, 18, .95) 46%);
  box-shadow:
    0 34px 90px -34px rgba(168, 85, 247, .75),
    0 0 0 1px rgba(10, 10, 18, .9),
    inset 0 0 0 5px rgba(10, 10, 18, .88);
  transform: perspective(1100px) rotateY(-9deg) rotateX(5deg);
  animation: pp-device-float 8s var(--ease) infinite;
}

.page-products .device-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 26px;
  object-fit: cover;
}

@keyframes pp-device-float {
  0%, 100% { transform: perspective(1100px) rotateY(-9deg) rotateX(5deg) translateY(0); }
  50% { transform: perspective(1100px) rotateY(-9deg) rotateX(5deg) translateY(-14px); }
}

.page-products .device-chip {
  position: absolute;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(168, 85, 247, .5);
  background: rgba(18, 18, 42, .88);
  color: var(--paper);
  white-space: nowrap;
  box-shadow: 0 12px 26px -18px rgba(0, 0, 0, .9);
}

.page-products .device-chip--a {
  top: 4%;
  left: 0;
  border-color: rgba(245, 158, 11, .62);
  color: var(--amber);
}

.page-products .device-chip--b {
  top: 28%;
  right: 0;
  color: var(--paper);
  border-color: rgba(168, 85, 247, .7);
}

.page-products .device-chip--c {
  bottom: 26%;
  left: 0;
  color: var(--muted);
}

.page-products .device-chip--d {
  bottom: 5%;
  right: 2%;
  border-color: rgba(34, 211, 238, .55);
  color: var(--cyan);
}

/* ---------- 平台导航 ---------- */
.page-products .prod-nav {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

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

.page-products .prod-nav__copy p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 62ch;
}

.page-products .prod-nav__media {
  margin: 0;
}

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

.page-products .chip-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .chip-list li {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--pp-line);
  background: rgba(76, 29, 149, .18);
  color: var(--muted);
}

.page-products .chip-list li:nth-child(3n) {
  border-color: rgba(45, 156, 219, .5);
  color: #9ec9e6;
}

.page-products .chip-list li:nth-child(4n) {
  border-color: rgba(245, 158, 11, .45);
  color: var(--amber);
}

/* ---------- 下载步骤 ---------- */
.page-products .step-list {
  counter-reset: ppstep;
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .step {
  position: relative;
  counter-increment: ppstep;
  padding: clamp(20px, 3vw, 28px) clamp(18px, 3vw, 30px) clamp(20px, 3vw, 28px) clamp(66px, 9vw, 92px);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: var(--pp-panel);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-products .step:hover {
  border-color: rgba(168, 85, 247, .68);
  transform: translateY(-3px);
}

.page-products .step::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: clamp(14px, 2.4vw, 24px);
  top: clamp(20px, 3vw, 26px);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  border: 1px solid rgba(245, 158, 11, .45);
  background: rgba(245, 158, 11, .09);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
}

.page-products .step h3 {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  color: var(--paper);
}

.page-products .step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

/* ---------- 额度说明 ---------- */
.page-products .prod-quota__media {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

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

.page-products .quota-grid {
  display: grid;
  gap: 18px;
}

.page-products .quota-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 32px);
  border-radius: 18px;
  border: 1px solid var(--pp-line);
  background: var(--pp-panel);
  box-shadow: 0 22px 46px -34px rgba(168, 85, 247, .7);
  overflow: hidden;
}

.page-products .quota-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--amber), rgba(245, 158, 11, 0) 82%);
}

.page-products .quota-card:nth-child(2)::after {
  background: linear-gradient(180deg, var(--bolt), rgba(45, 156, 219, 0) 82%);
}

.page-products .quota-card:nth-child(3)::after {
  background: linear-gradient(180deg, var(--neon), rgba(168, 85, 247, 0) 82%);
}

.page-products .quota-card__stamp {
  align-self: flex-start;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px dashed rgba(245, 158, 11, .6);
  background: rgba(245, 158, 11, .08);
  color: var(--amber);
  transform: rotate(-2deg);
}

.page-products .quota-card:nth-child(2) .quota-card__stamp {
  border-color: rgba(45, 156, 219, .6);
  background: rgba(45, 156, 219, .1);
  color: #8fc9e8;
}

.page-products .quota-card:nth-child(3) .quota-card__stamp {
  border-color: rgba(168, 85, 247, .68);
  background: rgba(168, 85, 247, .12);
  color: var(--muted);
}

.page-products .quota-card h3 {
  margin: 0;
  font-size: 1.14rem;
  color: var(--paper);
}

.page-products .quota-card > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
  font-size: .94rem;
}

.page-products .quota-card .disclosure {
  margin-top: auto;
  padding-top: 6px;
}

/* ---------- 版本对比 ---------- */
.page-products .prod-version__media {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

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

.page-products .version-scroll {
  overflow-x: auto;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius);
  background: rgba(10, 10, 18, .62);
  -webkit-overflow-scrolling: touch;
}

.page-products .version-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: .94rem;
}

.page-products .version-table th,
.page-products .version-table td {
  padding: 15px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(76, 29, 149, .48);
}

.page-products .version-table tbody tr:last-child th,
.page-products .version-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .version-table thead th {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--muted);
  background: rgba(18, 18, 42, .92);
  border-bottom-color: rgba(168, 85, 247, .5);
  white-space: nowrap;
  font-weight: 500;
}

.page-products .version-table thead th:not(:first-child)::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 8px;
  background: var(--neon);
  vertical-align: middle;
}

.page-products .version-table thead th:nth-child(3)::before {
  background: var(--bolt);
}

.page-products .version-table thead th:nth-child(4)::before {
  background: var(--amber);
}

.page-products .version-table tbody th {
  font-weight: 600;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .version-table tbody td {
  color: var(--muted);
  line-height: 1.7;
}

.page-products .version-table tbody tr {
  transition: background .25s var(--ease);
}

.page-products .version-table tbody tr:hover {
  background: rgba(168, 85, 247, .08);
}

.page-products .version-table tbody tr:hover td {
  color: var(--paper);
}

/* ---------- 功能特性 ---------- */
.page-products .feature-grid {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.page-products .feature {
  padding: 22px;
  border: 1px solid rgba(76, 29, 149, .6);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 18, 42, .84), rgba(10, 10, 18, .6));
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-products .feature:hover {
  border-color: rgba(168, 85, 247, .7);
  transform: translateY(-3px);
}

.page-products .feature svg {
  width: 30px;
  height: 30px;
  color: var(--neon);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-products .feature:nth-child(2n) svg {
  color: var(--bolt);
}

.page-products .feature:nth-child(3n) svg {
  color: var(--amber);
}

.page-products .feature h3 {
  margin: 14px 0 8px;
  font-size: 1.04rem;
  color: var(--paper);
}

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

/* ---------- 适用场景 ---------- */
.page-products .scene-layout {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .scene-media {
  margin: 0;
}

.page-products .scene-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .scene {
  padding: 20px 22px;
  border-left: 2px solid rgba(168, 85, 247, .55);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, rgba(168, 85, 247, .12), rgba(168, 85, 247, 0) 78%);
}

.page-products .scene:nth-child(2) {
  border-left-color: rgba(45, 156, 219, .55);
  background: linear-gradient(90deg, rgba(45, 156, 219, .12), rgba(45, 156, 219, 0) 78%);
}

.page-products .scene:nth-child(3) {
  border-left-color: rgba(34, 211, 238, .55);
  background: linear-gradient(90deg, rgba(34, 211, 238, .1), rgba(34, 211, 238, 0) 78%);
}

.page-products .scene h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--paper);
}

.page-products .scene p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
  font-size: .94rem;
}

/* ---------- 帮助路径 ---------- */
.page-products .help-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .help-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--pp-line);
  border-radius: 18px;
  background: var(--pp-panel);
}

.page-products .help-card h3 {
  margin: 0;
  font-size: 1.14rem;
  color: var(--paper);
}

.page-products .help-card p {
  margin: 0 0 6px;
  color: var(--muted);
  line-height: 1.78;
  font-size: .94rem;
}

.page-products .help-card .btn {
  margin-top: auto;
}

.page-products .prod-help__aside {
  margin: clamp(22px, 3vw, 30px) 0 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.8;
}

.page-products .prod-help__aside a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-help__aside a:hover {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .quota-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-products .prod-nav {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-products .scene-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

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

@media (max-width: 599px) {
  .page-products .device-frame {
    transform: none;
    animation: none;
  }

  .page-products .device-chip {
    font-size: .62rem;
    padding: 6px 10px;
  }

  .page-products .device-chip--a {
    left: 2%;
  }

  .page-products .device-chip--b {
    right: 2%;
  }

  .page-products .step {
    padding-left: clamp(60px, 18vw, 76px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-frame {
    animation: none;
    transform: none;
  }

  .page-products .step,
  .page-products .feature,
  .page-products .version-table tbody tr {
    transition: none;
  }
}