/* ===== 页面作用域：page-products ===== */
.page-products {
  --pd-deep: #0B1F3A;
  --pd-deep-2: #1B3A6B;
  --pd-gold: #E5C15A;
  --pd-gold-deep: #C9A227;
  --pd-paper: #F4F1EC;
  --pd-card: #FAF8F4;
  --pd-ink: #141414;
  --pd-muted: #5A6577;
  --pd-line: #D8D2C8;
  --pd-alert: #B5493A;
  background: var(--pd-paper);
  color: var(--pd-ink);
  overflow-x: hidden;
}

/* ===== 首屏英雄区 ===== */
.product-hero {
  position: relative;
  background: var(--pd-deep);
  color: #fff;
  padding: 3.5rem 0 0;
  overflow: hidden;
}

.product-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -15%;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, var(--pd-deep-2) 0%, var(--pd-deep) 100%);
  transform: skewX(-12deg);
  z-index: 0;
  pointer-events: none;
}

.product-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2.5rem;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--pd-gold) 0%, rgba(229, 193, 90, 0) 70%);
  pointer-events: none;
}

.product-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: stretch;
}

.product-hero__content {
  padding: 0;
}

.product-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 1.25rem 0 1.25rem;
  color: #fff;
}

.product-hero__title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 1.5rem;
  background: var(--pd-gold);
  transform: skewX(-18deg);
}

.product-hero__lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 34em;
  margin: 0 0 1.5rem;
}

.product-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.product-hero__tags .tag {
  margin: 0;
}

.product-hero__visual {
  position: relative;
  margin-bottom: -1px;
}

.product-hero__figure {
  position: relative;
  margin: 0;
  padding: 0;
  transform: skewX(-3deg);
}

.product-hero__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center;
  border-bottom: 3px solid var(--pd-gold);
  filter: saturate(0.85) contrast(1.05);
}

.product-hero__caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 0 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
}

.product-hero__caption-version {
  color: var(--pd-gold);
}

/* ===== 应用矩阵总览 ===== */
.product-matrix {
  padding: 4.5rem 0 3.5rem;
  background: var(--pd-paper);
}

.section-head--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.section-head__main .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  line-height: 1.08;
  margin: 0.35rem 0 0;
  color: var(--pd-ink);
}

.section-head__desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--pd-muted);
  max-width: 42em;
  margin: 0;
}

.matrix-row {
  display: flex;
  flex-direction: column;
}

.matrix-card {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--pd-line);
  position: relative;
  transition: transform 0.28s var(--ease), background 0.28s var(--ease);
}

.matrix-card:last-child {
  border-bottom: none;
}

.matrix-card:hover {
  transform: translateX(8px);
}

.matrix-card__index {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--pd-gold-deep);
  padding-top: 0.15rem;
  letter-spacing: 0.05em;
}

.matrix-card__body {
  min-width: 0;
}

.matrix-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem 0.875rem;
  margin-bottom: 0.5rem;
}

.matrix-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  line-height: 1.2;
  margin: 0;
  color: var(--pd-ink);
}

.matrix-card__head .tag {
  margin: 0;
}

.matrix-card__desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pd-muted);
  margin: 0 0 0.75rem;
  max-width: 46em;
}

.matrix-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pd-deep-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.matrix-card__link:hover {
  color: var(--pd-gold-deep);
  border-bottom-color: var(--pd-gold-deep);
}

.matrix-card__arrow {
  display: inline-block;
  transition: transform 0.25s var(--ease);
}

.matrix-card__link:hover .matrix-card__arrow {
  transform: translateX(4px);
}

.matrix-row__footnote {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.625rem 1rem;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: var(--pd-card);
  border-left: 3px solid var(--pd-gold-deep);
}

.matrix-row__footnote-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--pd-muted);
  text-transform: uppercase;
}

.matrix-row__footnote-value {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--pd-ink);
}

/* ===== 功能详细块 ===== */
.feature-block {
  padding: 4rem 0;
  background: var(--pd-card);
}

.feature-block--dark {
  background: var(--pd-deep);
  color: #fff;
}

.feature-block__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.75rem;
  align-items: center;
}

.feature-block__content {
  min-width: 0;
}

.feature-block__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  line-height: 1.1;
  margin: 0.4rem 0 1rem;
  color: var(--pd-ink);
}

.feature-block--dark .feature-block__title {
  color: #fff;
}

.feature-block__lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--pd-muted);
  margin: 0 0 1.5rem;
  max-width: 42em;
}

.feature-block__lead--light {
  color: rgba(255, 255, 255, 0.78);
}

.feature-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.feature-list__item {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
}

.feature-list__icon {
  font-family: var(--font-mono);
  color: var(--pd-gold-deep);
  font-size: 1.125rem;
  line-height: 1.4;
  width: 1.25rem;
  flex-shrink: 0;
}

.feature-list--light .feature-list__icon {
  color: var(--pd-gold);
}

.feature-list__body strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: var(--pd-ink);
  margin-bottom: 0.2rem;
}

.feature-list--light .feature-list__body strong {
  color: #fff;
}

.feature-list__body p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--pd-muted);
  margin: 0;
}

.feature-list--light .feature-list__body p {
  color: rgba(255, 255, 255, 0.68);
}

.feature-block__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1rem;
}

.feature-block__stats--wide {
  gap: 1.5rem 2.5rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.stat-item__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--pd-deep);
}

.feature-block--dark .stat-item__num {
  color: var(--pd-gold);
}

.stat-item__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--pd-muted);
}

.feature-block--dark .stat-item__label {
  color: rgba(255, 255, 255, 0.55);
}

/* 浏览器框架 */
.browser-frame {
  position: relative;
  border: 1px solid var(--pd-line);
  background: var(--pd-paper);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.browser-frame:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.browser-frame__bar {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.625rem 0.875rem;
  background: var(--pd-deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.browser-frame__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}

.browser-frame__dot:first-child {
  background: var(--pd-alert);
}

.browser-frame__dot:nth-child(2) {
  background: var(--pd-gold);
}

.browser-frame__dot:nth-child(3) {
  background: #4a9e6b;
}

.browser-frame__url {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

.browser-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
}

.browser-frame__note {
  display: block;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--pd-muted);
  background: var(--pd-paper);
  border-top: 1px solid var(--pd-line);
}

/* 手机框架 */
.phone-frame {
  position: relative;
  max-width: 360px;
  margin: 0 auto;
  background: #0c0c0e;
  border-radius: 30px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-hover);
}

.phone-frame__notch {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 18px;
  background: #0c0c0e;
  border-radius: 10px;
  z-index: 2;
}

.phone-frame__screen {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 9 / 15;
}

.phone-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.phone-frame__swipe {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  background: rgba(11, 31, 58, 0.82);
  color: var(--pd-gold);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.phone-frame__label {
  display: block;
  text-align: center;
  margin-top: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.45);
}

/* 球队库更新排期 */
.update-schedule {
  margin: 1rem 0 1.75rem;
  padding: 1rem 1.125rem;
  background: var(--pd-paper);
  border: 1px solid var(--pd-line);
  border-left: 3px solid var(--pd-deep);
}

.update-schedule__track {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.4375rem;
}

.update-schedule__bar {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 2.25rem;
  background: var(--pd-line);
  color: var(--pd-muted);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border-radius: 3px;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.update-schedule__bar.is-on {
  background: var(--pd-deep);
  color: var(--pd-gold);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(11, 31, 58, 0.2);
}

.update-schedule__bar.is-weekend {
  opacity: 0.45;
}

.update-schedule__note {
  margin: 0.625rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--pd-muted);
}

/* 球队库数据可视化容器 */
.data-visual {
  position: relative;
}

.data-visual__figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pd-line);
  background: var(--pd-paper);
  box-shadow: var(--shadow-card);
}

.data-visual__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  object-position: center;
}

.data-visual__caption {
  display: block;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--pd-muted);
  border-top: 1px solid var(--pd-line);
  background: var(--pd-card);
}

/* ===== 积分榜 & 赛程日历 ===== */
.module-pair {
  padding: 4rem 0;
  background: var(--pd-paper);
}

.module-pair__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.module-pair__card {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 1rem;
  padding: 2rem 1.5rem;
  background: var(--pd-card);
  border: 1px solid var(--pd-line);
  border-top: 3px solid var(--pd-deep);
  box-shadow: var(--shadow-card);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.module-pair__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.module-pair__index {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--pd-gold-deep);
}

.module-pair__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0 0 0.625rem;
  color: var(--pd-ink);
}

.module-pair__desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pd-muted);
  margin: 0 0 1rem;
}

.module-pair__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.module-pair__list li {
  position: relative;
  padding-left: 1.25rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--pd-ink);
}

.module-pair__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 0.625rem;
  height: 2px;
  background: var(--pd-gold-deep);
}

/* ===== 订阅指南与案例合集 ===== */
.subscription-guide {
  position: relative;
  background: var(--pd-deep);
  color: #fff;
  padding: 4.5rem 0;
  overflow: hidden;
}

.subscription-guide::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: 0;
  width: 60%;
  height: 3px;
  background: linear-gradient(90deg, var(--pd-gold), rgba(201, 162, 39, 0.1));
  transform: skewX(-20deg);
}

.subscription-guide__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

.subscription-guide__cover {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: var(--pd-deep-2);
  overflow: hidden;
}

.subscription-guide__img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  object-position: center;
  opacity: 0.9;
  filter: saturate(0.85);
}

.subscription-guide__cover-label {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--pd-gold);
  background: rgba(11, 31, 58, 0.75);
  padding: 0.35rem 0.75rem;
  border-radius: 2px;
  backdrop-filter: blur(3px);
}

.subscription-guide__content {
  padding: 0;
}

.subscription-guide__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.1;
  margin: 0.4rem 0 1rem;
  color: #fff;
}

.subscription-guide__lead {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  margin: 0 0 2rem;
  max-width: 40em;
}

.tier-row {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.tier-item {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.tier-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(229, 193, 90, 0.4);
}

.tier-item__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.tier-item__name--gold {
  color: var(--pd-gold);
}

.tier-item__desc {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

.subscription-guide__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* 底部服务导引 */
.product-support {
  padding: 3rem 0;
  background: var(--pd-card);
}

.product-support__row {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-support__text {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pd-muted);
  margin: 0;
  max-width: 44em;
}

.product-support__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.product-support__link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--pd-deep-2);
  text-decoration: none;
  border-bottom: 1px solid var(--pd-line);
  padding-bottom: 0.15rem;
  transition: border-color 0.2s var(--ease);
}

.product-support__link:hover {
  border-bottom-color: var(--pd-gold-deep);
}

/* ===== 响应式：>= 768px ===== */
@media (min-width: 768px) {
  .product-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .product-hero__content {
    padding: 1rem 0 3.5rem;
  }

  .product-hero__img {
    max-height: 460px;
  }

  .section-head--split {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }

  .feature-block__grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.5rem;
  }

  .feature-block__grid--reverse .feature-block__visual {
    order: 1;
  }

  .feature-block__grid--reverse .feature-block__content {
    order: 2;
  }

  .module-pair__grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
  }

  .subscription-guide__inner {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
    align-items: center;
  }

  .subscription-guide__content {
    padding: 0 0 0 0.25rem;
  }

  .tier-item {
    grid-template-columns: 11rem 1fr;
  }

  .product-support__row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ===== 响应式：>= 1024px ===== */
@media (min-width: 1024px) {
  .product-hero {
    padding: 4.5rem 0 0;
  }

  .product-hero__lead {
    font-size: 1.125rem;
  }

  .product-hero__img {
    max-height: 540px;
  }

  .product-matrix {
    padding: 6rem 0 4rem;
  }

  .feature-block {
    padding: 5.5rem 0;
  }

  .module-pair {
    padding: 5.5rem 0;
  }

  .subscription-guide {
    padding: 5.5rem 0;
  }

  .matrix-card {
    grid-template-columns: 4rem 1fr;
    gap: 1.5rem;
    padding: 1.75rem 0;
  }

  .matrix-card:hover {
    transform: translateX(16px);
  }

  .feature-block__grid {
    gap: 4rem;
  }

  .browser-frame__img {
    max-height: 580px;
  }

  .module-pair__card {
    grid-template-columns: 3rem 1fr;
    gap: 1.5rem;
    padding: 2.5rem 2rem;
  }
}

/* ===== 尊重动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }
}