.page-products {
  --pv-pad: clamp(24px, 5vw, 72px);
  --pv-section-space: clamp(48px, 7vw, 110px);
  --pv-brand: #FF5C00;
  --pv-cyan: #00C2FF;
  --pv-panel: #1A1A1D;
  --pv-panel-deep: #141416;
  --pv-line: rgba(255, 255, 255, 0.14);
  --pv-line-strong: rgba(255, 255, 255, 0.24);
  --pv-text-light: #C8C8CC;
  --pv-text-mid: #6E6E73;
  --pv-card-clip: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  background: var(--c-bg);
  overflow-x: hidden;
}

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

/* ===== 面包屑 ===== */
.page-products__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--pv-text-mid);
  margin-bottom: 28px;
  padding-top: 8px;
}

.page-products__breadcrumb a {
  color: var(--pv-text-mid);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products__breadcrumb a:hover {
  color: var(--pv-brand);
}

.page-products__breadcrumb [aria-current="page"] {
  color: var(--c-white);
}

/* ===== 首屏 Hero ===== */
.page-products__hero {
  position: relative;
  padding: calc(var(--pv-pad) * 0.5) 0 var(--pv-pad);
  border-bottom: 1px solid var(--pv-line);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-products__hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 340px;
  height: 240px;
  background: linear-gradient(135deg, rgba(255, 92, 0, 0.32), rgba(0, 194, 255, 0.12));
  transform: rotate(-18deg);
  pointer-events: none;
  z-index: 0;
}

.page-products__hero .jiyou-container {
  position: relative;
  z-index: 1;
}

.page-products__hero-grid {
  display: grid;
  gap: 32px;
  align-items: stretch;
}

.page-products__hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-products__hero-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--pv-text-light);
}

.page-products__hero-version {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--pv-line);
  background: rgba(255, 92, 0, 0.08);
  color: var(--pv-brand);
  font-family: var(--font-mono);
  border-radius: 0;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-products__hero-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4.5vw, 3.5rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--c-white);
  text-wrap: balance;
}

.page-products__hero-title-accent {
  display: block;
  margin-top: 6px;
  color: var(--pv-brand);
}

.page-products__hero-lead {
  margin: 0;
  max-width: 680px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--pv-text-light);
}

.page-products__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products__hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--pv-line);
  width: 100%;
  max-width: 680px;
}

.page-products__hero-index a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--pv-text-mid);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
}

.page-products__hero-index a:hover {
  color: var(--pv-cyan);
}

/* 右侧数据面板 */
.page-products__hero-side {
  position: relative;
}

.page-products__dashboard {
  position: relative;
  background: var(--pv-panel-deep);
  border: 1px solid var(--pv-line);
  padding: 20px 16px 14px;
  font-family: var(--font-mono);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.page-products__dashboard::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--pv-brand), var(--pv-cyan));
  opacity: 0.7;
}

.page-products__dash-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.page-products__dash-coord {
  font-size: 0.7rem;
  color: var(--pv-text-mid);
  letter-spacing: 0.12em;
}

.page-products__dash-pulse {
  width: 8px;
  height: 8px;
  background: var(--pv-cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 194, 255, 0.16);
}

.page-products__dash-title {
  font-size: 0.88rem;
  color: var(--c-white);
  margin-bottom: 16px;
}

.page-products__dash-team {
  display: grid;
  grid-template-columns: 1fr auto;
  row-gap: 6px;
  align-items: center;
  margin-bottom: 12px;
}

.page-products__dash-team span {
  font-size: 0.76rem;
  color: var(--pv-text-mid);
}

.page-products__dash-team strong {
  font-size: 1.1rem;
  color: var(--c-white);
}

.page-products__dash-bar {
  grid-column: 1 / -1;
  height: 6px;
  background: rgba(255, 92, 0, 0.12);
  overflow: hidden;
}

.page-products__dash-bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--pv-brand), #FF9A00);
}

.page-products__dash-bar--cyan {
  background: rgba(0, 194, 255, 0.14);
}

.page-products__dash-bar--cyan i {
  background: linear-gradient(90deg, var(--pv-cyan), #007BFF);
}

.page-products__dash-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--pv-text-light);
  border-top: 1px solid var(--pv-line);
  padding-top: 9px;
  margin-top: 2px;
}

.page-products__dash-meta span:last-child {
  color: var(--pv-cyan);
  font-weight: 700;
}

.page-products__dash-foot {
  font-size: 0.68rem;
  color: var(--pv-text-mid);
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px dashed var(--pv-line);
}

/* 首屏数据条 */
.page-products__hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 36px;
  border: 1px solid var(--pv-line);
  background: var(--pv-line);
}

.page-products__stat {
  background: var(--pv-panel);
  padding: 16px 14px;
  position: relative;
}

.page-products__stat::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 2px;
  background: var(--pv-brand);
}

.page-products__stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-white);
}

.page-products__stat-value--cyan {
  color: var(--pv-cyan);
}

.page-products__stat-value--orange {
  color: var(--pv-brand);
}

.page-products__stat-label {
  display: block;
  font-size: 0.74rem;
  color: var(--pv-text-mid);
  margin-top: 6px;
  line-height: 1.4;
}

/* ===== 通用区块 ===== */
.page-products__section {
  position: relative;
  padding: var(--pv-section-space) 0;
}

.page-products__section + .page-products__section {
  border-top: 1px solid var(--pv-line);
}

.page-products__section:nth-of-type(odd) {
  background: var(--c-bg-deep);
}

.page-products__visual-coord {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--pv-text-mid);
  letter-spacing: 0.1em;
  margin-top: 10px;
}

/* ===== 核心功能 ===== */
.page-products__features {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-products__feature-layout {
  display: grid;
  gap: 28px;
  margin-top: 34px;
}

.page-products__feature-visual {
  position: relative;
}

.page-products__feature-visual img,
.page-products__version-visual img,
.page-products__subscription-visual img,
.page-products__scenario-visual img,
.page-products__compat-visual img {
  display: block;
  width: 100%;
  border: 1px solid var(--pv-line);
  clip-path: var(--pv-card-clip);
  height: auto;
}

.page-products__feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products__feature-card {
  position: relative;
  background: var(--pv-panel);
  padding: 22px 18px;
  clip-path: var(--pv-card-clip);
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 2px solid transparent;
  transition: transform 0.25s ease, background 0.25s ease;
}

.page-products__feature-card::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--pv-brand), var(--pv-cyan), transparent);
  opacity: 0.45;
}

.page-products__feature-card:hover {
  transform: translateY(-4px);
  background: #202024;
}

.page-products__feature-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-products__feature-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--pv-text-mid);
  letter-spacing: 0.08em;
}

.page-products__feature-card-head svg {
  color: var(--pv-cyan);
}

.page-products__feature-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.18rem;
  font-weight: 900;
  color: var(--c-white);
}

.page-products__feature-text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--pv-text-light);
  flex-grow: 1;
}

/* ===== 版本特性 ===== */
.page-products__version {
  background: var(--c-bg);
}

.page-products__version-wrap {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

.page-products__tabs-list {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--pv-line);
  margin-bottom: 0;
  flex-wrap: wrap;
}

.page-products__tabs-btn {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--pv-text-mid);
  background: transparent;
  border: none;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products__tabs-btn[aria-selected="true"] {
  color: var(--pv-brand);
  border-bottom-color: var(--pv-brand);
}

.page-products__tabs-btn:focus-visible {
  outline: 2px solid var(--pv-cyan);
  outline-offset: 2px;
}

.page-products__tabs-panel {
  padding: 24px 0 8px;
}

.page-products__tabs-panel-title {
  margin: 0 0 14px;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--c-white);
}

.page-products__tabs-list-items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products__tabs-list-items li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--pv-text-light);
}

.page-products__tabs-list-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  background: var(--pv-brand);
  transform: rotate(45deg);
}

.page-products__version-visual {
  position: relative;
}

.page-products__version-visual img {
  height: auto;
}

/* ===== 订阅模式 ===== */
.page-products__subscription {
  background: var(--c-bg-deep);
}

.page-products__subscription-grid {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

.page-products__subscription-visual {
  position: relative;
}

.page-products__sub-tabs-list {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--pv-line);
  margin-bottom: 0;
}

.page-products__sub-tab {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--pv-text-mid);
  background: transparent;
  border: none;
  padding: 12px 16px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products__sub-tab[aria-selected="true"] {
  color: var(--pv-cyan);
  border-bottom-color: var(--pv-cyan);
}

.page-products__sub-tab:focus-visible {
  outline: 2px solid var(--pv-brand);
  outline-offset: 2px;
}

.page-products__sub-panel {
  padding: 24px 0 0;
}

.page-products__tier-list {
  display: grid;
  gap: 14px;
}

.page-products__tier {
  position: relative;
  background: var(--pv-panel);
  padding: 20px 18px;
  clip-path: var(--pv-card-clip);
  border-left: 3px solid var(--pv-brand);
}

.page-products__tier:nth-child(2) {
  border-left-color: #FF9A00;
}

.page-products__tier:nth-child(3) {
  border-left-color: var(--pv-cyan);
}

.page-products__tier:nth-child(4) {
  border-left-color: transparent;
  background: linear-gradient(135deg, rgba(255, 92, 0, 0.1), rgba(0, 194, 255, 0.08));
}

.page-products__tier-level {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--pv-cyan);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.page-products__tier-title {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--c-white);
}

.page-products__tier-desc {
  margin: 0 0 12px;
  font-size: 0.82rem;
  color: var(--pv-text-mid);
}

.page-products__tier-items {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products__tier-items li {
  position: relative;
  padding-left: 16px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--pv-text-light);
}

.page-products__tier-items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--pv-brand);
}

/* 覆盖对比 */
.page-products__coverage {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 12px 0 4px;
}

.page-products__coverage-row {
  display: grid;
  grid-template-columns: 88px 1fr 44px;
  gap: 10px;
  align-items: center;
}

.page-products__coverage-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--pv-text-light);
}

.page-products__coverage-track {
  height: 10px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.page-products__coverage-track i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--pv-brand), #FF9A00);
}

.page-products__coverage-track--orange i {
  background: linear-gradient(90deg, var(--pv-cyan), #007BFF);
}

.page-products__coverage-value {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--pv-text-mid);
  text-align: right;
}

.page-products__coverage-foot {
  margin: 12px 0 0;
  font-size: 0.78rem;
  color: var(--pv-text-mid);
  line-height: 1.6;
  border-top: 1px dashed var(--pv-line);
  padding-top: 14px;
}

/* ===== 适配场景 ===== */
.page-products__scenario-layout {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

.page-products__scenario-visual {
  position: relative;
}

.page-products__scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products__scenario-card {
  position: relative;
  background: var(--pv-panel);
  padding: 20px 18px;
  clip-path: var(--pv-card-clip);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-products__scenario-card:hover {
  transform: translateY(-3px);
  background: #202024;
}

.page-products__scenario-card svg {
  color: var(--pv-brand);
}

.page-products__scenario-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 900;
  color: var(--c-white);
}

.page-products__scenario-text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--pv-text-light);
}

/* ===== 兼容性 ===== */
.page-products__compatibility {
  background: var(--c-bg);
}

.page-products__compat-layout {
  display: grid;
  gap: 30px;
  margin-top: 34px;
}

.page-products__compat-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--pv-line);
}

.page-products__compat-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-products__compat-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--pv-brand);
  padding-top: 4px;
}

.page-products__compat-title {
  margin: 0 0 4px;
  font-size: 0.98rem;
  font-weight: 900;
  color: var(--c-white);
}

.page-products__compat-item p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--pv-text-light);
}

.page-products__compat-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 22px 0 6px;
}

.page-products__compat-cta-text {
  flex-basis: 100%;
  font-size: 0.88rem;
  color: var(--pv-text-mid);
  margin-bottom: 6px;
}

.page-products__compat-visual {
  position: relative;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-products__hero-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products__stat {
    padding: 20px 18px;
  }

  .page-products__feature-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__tier-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__scenario-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__coverage-row {
    grid-template-columns: 110px 1fr 54px;
  }
}

@media (min-width: 992px) {
  .page-products__hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-products__hero-title {
    font-size: clamp(2.2rem, 4.8vw, 3.8rem);
  }

  .page-products__feature-layout {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products__feature-visual {
    position: sticky;
    top: 24px;
  }

  .page-products__version-wrap {
    grid-template-columns: 6fr 4fr;
    align-items: start;
  }

  .page-products__version-visual {
    order: 2;
  }

  .page-products__subscription-grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products__subscription-visual {
    position: sticky;
    top: 24px;
  }

  .page-products__scenario-layout {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }

  .page-products__scenario-visual {
    position: sticky;
    top: 24px;
  }

  .page-products__compat-layout {
    grid-template-columns: 6fr 6fr;
    align-items: start;
  }

  .page-products__compat-visual {
    order: -1;
    position: sticky;
    top: 24px;
  }

  .page-products__tier-list {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1200px) {
  .page-products__tier-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-products__tier:last-child {
    grid-column: 1 / -1;
  }
}