.page-products {
  --page-x: clamp(1.25rem, 4vw, 3rem);
  --card-radius: 12px;
  position: relative;
  overflow-x: clip;
  background: var(--deep-blue);
  color: var(--light-text);
  font-family: var(--body-font);
  line-height: 1.6;
}

.page-products * {
  box-sizing: border-box;
}

.section-head {
  margin-bottom: 1.75rem;
}

.section-head .section-subtitle {
  font-family: var(--mono-font);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--neon-green);
  margin-bottom: 0.4rem;
}

.section-head .section-subtitle::before {
  content: "";
  display: inline-block;
  width: 22px;
  border-top: 1px solid var(--neon-green);
  margin-right: 0.5rem;
  vertical-align: middle;
}

.section-head h2 {
  font-family: var(--heading-font);
  font-size: 1.55rem;
  line-height: 1.25;
  margin: 0;
  letter-spacing: 0.01em;
}

.section-head > p:last-child {
  margin: 0.6rem 0 0;
  color: var(--muted-text);
  font-size: 0.92rem;
  max-width: 60ch;
}

/* ---------- 首屏 ---------- */
.platform-hero {
  position: relative;
  display: grid;
  gap: 1.65rem;
  padding: 2rem var(--page-x) 2.8rem;
  isolation: isolate;
}

.platform-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 4%;
  width: 68%;
  height: 82%;
  background: linear-gradient(135deg, rgba(18, 59, 110, 0.55), rgba(57, 255, 136, 0.05));
  clip-path: polygon(20% 0, 100% 0, 92% 100%, 0 100%);
  z-index: -1;
  pointer-events: none;
}

.platform-hero__rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(18, 59, 110, 0.45);
  border-left: 3px solid var(--neon-green);
  padding: 0.5rem 0.8rem;
  border-radius: 0 8px 8px 0;
}

.platform-hero__code {
  font-family: var(--mono-font);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--neon-green);
}

.platform-hero__kicker {
  font-family: var(--mono-font);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--neon-green);
  margin: 0.4rem 0 0.6rem;
}

.platform-hero h1 {
  font-family: var(--heading-font);
  font-size: 2.05rem;
  line-height: 1.18;
  margin: 0 0 0.9rem;
}

.platform-hero__lead {
  color: var(--muted-text);
  font-size: 0.98rem;
  line-height: 1.8;
  margin: 0 0 1.4rem;
  max-width: 56ch;
}

.platform-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

.platform-hero__board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  z-index: 1;
}

.platform-hero__board .data-card {
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  border-radius: var(--card-radius);
  padding: 1rem 0.5rem;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.platform-hero__board .data-card__value {
  display: block;
  font-family: var(--mono-font);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--neon-green);
  line-height: 1.1;
}

.platform-hero__board .data-card__label {
  display: block;
  font-size: 0.72rem;
  color: var(--muted-text);
  margin-top: 0.35rem;
}

/* ---------- 核心功能矩阵 ---------- */
.feature-matrix {
  position: relative;
  padding: 2.6rem var(--page-x) 3.2rem;
  background: linear-gradient(180deg, var(--mid-blue), var(--deep-blue));
}

.feature-matrix::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg, rgba(57, 255, 136, 0.035) 0 2px, transparent 2px 16px);
  pointer-events: none;
}

.feature-grid {
  display: grid;
  gap: 1rem;
}

.feature-card {
  position: relative;
  display: grid;
  gap: 0.65rem;
  background: var(--card-bg);
  border: 1px solid rgba(57, 255, 136, 0.18);
  border-radius: var(--card-radius);
  padding: 1.2rem 1.1rem 1.3rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  border-style: solid;
  border-width: 0 26px 26px 0;
  border-color: transparent var(--neon-green) transparent transparent;
  opacity: 0.65;
  transition: opacity var(--transition-fast);
}

.feature-card:hover,
.feature-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(57, 255, 136, 0.55);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.38);
}

.feature-card:hover::after,
.feature-card:focus-within::after {
  opacity: 1;
}

.feature-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.feature-card__icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: rgba(57, 255, 136, 0.1);
  border-radius: 10px;
  color: var(--neon-green);
}

.feature-card__index {
  font-family: var(--mono-font);
  font-size: 0.78rem;
  color: var(--muted-text);
  letter-spacing: 0.05em;
}

.feature-card__title {
  font-size: 1.15rem;
  line-height: 1.3;
  margin: 0.2rem 0 0;
}

.feature-card__summary {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted-text);
}

.feature-card__expand {
  display: grid;
  grid-template-rows: 1fr;
  border-left: 2px solid var(--neon-green);
  padding-left: 0.85rem;
}

.feature-card__expand p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  overflow: hidden;
}

/* ---------- 终端对比 ---------- */
.device-compare {
  padding: 3rem var(--page-x) 2.8rem;
  background: var(--deep-blue);
}

.device-tabs {
  position: relative;
  margin-top: 1.2rem;
}

.device-tabs__input,
.v3-compare__input {
  position: absolute;
  width: 1px;
  height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.device-tabs__nav {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid rgba(57, 255, 136, 0.2);
}

.device-tabs__button {
  display: block;
  padding: 0.65rem 1rem 0.8rem;
  font-size: 0.88rem;
  color: var(--muted-text);
  cursor: pointer;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.device-tabs__button:hover {
  color: var(--neon-green);
}

.device-tabs #tab-desktop:checked ~ .device-tabs__nav label[for="tab-desktop"],
.device-tabs #tab-android:checked ~ .device-tabs__nav label[for="tab-android"] {
  background: var(--card-bg);
  color: var(--neon-green);
  border-color: rgba(57, 255, 136, 0.25);
}

.device-tabs__panel {
  display: none;
}

.device-tabs #tab-desktop:checked ~ .device-tabs__panel--desktop,
.device-tabs #tab-android:checked ~ .device-tabs__panel--android {
  display: block;
  animation: page-productsTabFade 0.3s ease;
}

@keyframes page-productsTabFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.device-panel {
  display: grid;
  gap: 1.4rem;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  border-radius: 0 0 var(--card-radius) var(--card-radius);
  padding: 1.3rem 1.2rem 1.5rem;
}

.device-panel__copy h3 {
  font-family: var(--heading-font);
  font-size: 1.25rem;
  margin: 0 0 0.6rem;
}

.device-panel__copy p {
  color: var(--muted-text);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0 0 0.8rem;
}

.device-panel__copy ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--light-text);
  font-size: 0.88rem;
  line-height: 1.75;
}

.device-panel__visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  border: 1px solid rgba(57, 255, 136, 0.2);
}

.device-panel--mobile .device-panel__visual img {
  max-width: 280px;
  margin: 0 auto;
  border-radius: 22px;
  box-shadow: 0 0 0 7px rgba(18, 59, 110, 0.55), 0 20px 42px rgba(0, 0, 0, 0.45);
}

/* ---------- V3 展示 ---------- */
.v3-module {
  position: relative;
  padding: 3rem var(--page-x) 2.8rem;
  background: radial-gradient(circle at 88% 12%, rgba(57, 255, 136, 0.09), transparent 42%), var(--mid-blue);
}

.v3-module__intro h2 {
  font-family: var(--heading-font);
  font-size: 1.45rem;
  line-height: 1.3;
  margin: 0 0 0.8rem;
}

.v3-module__intro > p:not(.section-subtitle) {
  color: var(--muted-text);
  font-size: 0.94rem;
  line-height: 1.8;
  margin: 0 0 1rem;
  max-width: 56ch;
}

.v3-module__points {
  list-style: none;
  margin: 0 0 1.2rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.v3-module__points li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--light-text);
}

.v3-module__points li::before {
  content: "▹";
  position: absolute;
  left: 0;
  color: var(--neon-green);
  font-size: 1rem;
}

.v3-module__visual {
  margin: 1.6rem 0 1.4rem;
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  border-radius: var(--card-radius);
  padding: 1rem 0.8rem;
  overflow-x: auto;
}

.v3-chart {
  display: block;
  width: 100%;
  min-width: 520px;
  height: auto;
}

.v3-chart text {
  font-family: var(--mono-font);
}

.v3-compare {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.8rem;
  padding: 0.6rem 0.75rem;
  background: rgba(10, 30, 63, 0.7);
  border: 1px solid var(--border-line);
  border-radius: 999px;
}

.v3-compare__dot {
  width: 32px;
  height: 18px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--neon-green);
  position: relative;
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}

.v3-compare__dot::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--neon-green);
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.v3-compare__input:checked ~ .v3-compare__dot {
  border-color: var(--orange);
}

.v3-compare__input:checked ~ .v3-compare__dot::after {
  transform: translateX(14px);
  background: var(--orange);
}

.v3-compare__trigger {
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--light-text);
  background: rgba(57, 255, 136, 0.08);
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.v3-compare__trigger:hover {
  border-color: var(--neon-green);
}

.v3-compare__status {
  font-family: var(--mono-font);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--muted-text);
  transition: color var(--transition-fast);
}

.v3-compare__input:checked ~ .v3-compare__status {
  color: var(--orange);
}

.v3-module__demo img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--card-radius);
  border: 1px solid var(--border-line);
}

/* ---------- 转会动态与前瞻 ---------- */
.scenario-modules {
  padding: 3rem var(--page-x);
  background: var(--deep-blue);
}

.scenario-grid {
  display: grid;
  gap: 1.5rem;
}

.scenario-card {
  display: grid;
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  border-radius: var(--card-radius);
  overflow: hidden;
}

.scenario-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.scenario-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.scenario-card:hover .scenario-card__media img {
  transform: scale(1.03);
}

.scenario-card__body {
  padding: 1.3rem 1.25rem 1.5rem;
}

.scenario-card__body h3 {
  font-family: var(--heading-font);
  font-size: 1.2rem;
  margin: 0 0 0.5rem;
}

.scenario-card__body p {
  color: var(--muted-text);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0 0 0.8rem;
}

.scenario-card__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.scenario-card__body li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.86rem;
  color: var(--light-text);
}

.scenario-card__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--neon-green);
  transform: rotate(45deg);
}

/* ---------- 服务承诺 ---------- */
.service-commitment {
  position: relative;
  padding: 3rem var(--page-x) 3.5rem;
  background: linear-gradient(180deg, var(--deep-blue) 0%, var(--mid-blue) 100%);
  border-top: 1px solid var(--border-line);
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.commitment-item {
  background: rgba(10, 30, 63, 0.78);
  border: 1px solid var(--border-line);
  border-radius: var(--card-radius);
  padding: 1.15rem 1rem;
}

.commitment-item__value {
  display: block;
  font-family: var(--mono-font);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--neon-green);
  line-height: 1.15;
}

.commitment-item__label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted-text);
  margin-top: 0.3rem;
}

.commitment-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.2rem 0 0.2rem;
}

.commitment-badge {
  font-size: 0.76rem;
  color: var(--light-text);
  background: rgba(57, 255, 136, 0.08);
  border: 1px solid rgba(57, 255, 136, 0.22);
  border-radius: 999px;
  padding: 0.32rem 0.85rem;
  letter-spacing: 0.02em;
}

.commitment-note {
  margin-top: 1.6rem;
  display: grid;
  gap: 1.2rem;
  align-items: center;
  background: rgba(10, 30, 63, 0.5);
  border-radius: var(--card-radius);
  padding: 1.25rem 1.2rem;
  border: 1px solid rgba(57, 255, 136, 0.12);
}

.commitment-note .trust-statement {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--light-text);
  border-left: 3px solid var(--orange);
  padding-left: 0.9rem;
}

.commitment-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .device-panel {
    grid-template-columns: minmax(220px, 0.9fr) 1.1fr;
    gap: 1.8rem;
    padding: 1.8rem 1.5rem 2rem;
  }

  .device-panel--mobile {
    grid-template-columns: 1.1fr minmax(200px, 0.9fr);
  }

  .device-panel--mobile .device-panel__copy {
    order: 2;
  }

  .device-panel--mobile .device-panel__visual {
    order: 1;
  }

  .scenario-card {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .scenario-card__media {
    height: 100%;
    min-height: 280px;
  }

  .scenario-card--reverse .scenario-card__media {
    order: 2;
  }

  .commitment-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .platform-hero {
    grid-template-columns: 170px minmax(0, 1fr) 250px;
    gap: 2.2rem;
    min-height: 520px;
    align-items: end;
    padding-top: 3rem;
    padding-bottom: 3.5rem;
  }

  .platform-hero__rail {
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 1.4rem;
    padding: 1rem;
  }

  .platform-hero__board {
    grid-template-columns: 1fr;
    gap: 0.9rem;
    transform: translateY(1.8rem);
  }

  .platform-hero__board .data-card {
    padding: 1.2rem 1.5rem;
    text-align: left;
  }

  .platform-hero h1 {
    font-size: 3.1rem;
    max-width: 18ch;
  }

  .platform-hero__lead {
    font-size: 1.05rem;
  }

  .feature-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 1.1rem;
  }

  .feature-card {
    grid-column: span 4;
  }

  .feature-card:nth-child(1) {
    grid-column: span 5;
  }

  .feature-card:nth-child(2) {
    grid-column: span 7;
  }

  .feature-card:nth-child(3) {
    grid-column: span 7;
  }

  .feature-card:nth-child(4) {
    grid-column: span 5;
  }

  .feature-card:nth-child(5) {
    grid-column: span 6;
  }

  .feature-card:nth-child(6) {
    grid-column: span 6;
  }

  .feature-card__expand {
    grid-template-rows: 0fr;
  }

  .feature-card:hover .feature-card__expand,
  .feature-card:focus-within .feature-card__expand {
    grid-template-rows: 1fr;
  }

  .device-tabs__nav {
    gap: 1rem;
  }

  .device-tabs__button {
    font-size: 0.94rem;
    padding: 0.8rem 1.4rem 0.9rem;
  }

  .device-panel {
    padding: 2rem 2.4rem;
    gap: 2.8rem;
  }

  .device-panel__copy h3 {
    font-size: 1.6rem;
  }

  .device-panel__copy p {
    font-size: 0.95rem;
  }

  .v3-module {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 2rem;
    align-items: start;
    padding: 3.5rem var(--page-x) 3rem;
  }

  .v3-module__intro {
    padding-top: 0.6rem;
  }

  .v3-module__intro h2 {
    font-size: 1.7rem;
  }

  .v3-module__visual {
    overflow: visible;
  }

  .v3-module__demo {
    grid-column: 1 / -1;
  }

  .scenario-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem;
  }

  .scenario-card {
    grid-template-columns: 1fr 1fr;
  }

  .scenario-card__media {
    min-height: 300px;
  }

  .scenario-card__body {
    padding: 1.8rem 1.7rem;
  }

  .service-commitment {
    padding: 4rem var(--page-x) 4rem;
  }

  .commitment-grid {
    gap: 1rem;
  }

  .commitment-item {
    padding: 1.4rem 1.2rem;
  }

  .commitment-item__value {
    font-size: 2rem;
  }

  .commitment-note {
    grid-template-columns: 1.4fr 0.6fr;
    padding: 1.5rem 1.8rem;
  }

  .commitment-note__links {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}