.page-products {
  --fp-orange: var(--phn-orange);
  --fp-orange-dark: var(--phn-orange-dark);
  --fp-navy: var(--phn-navy);
  --fp-cream: var(--phn-cream);
  --fp-stone: var(--phn-stone);
  --fp-moss: var(--phn-moss);
  --fp-gold: var(--phn-gold);
  --fp-ink: var(--phn-ink);
  --fp-gray: var(--phn-gray);
  --fp-radius: var(--phn-radius);

  position: relative;
  background: var(--fp-cream);
  color: var(--fp-ink);
  font-family: var(--phn-font-body);
  overflow: hidden;
}

/* ========== 面包屑 ========== */
.page-products__crumb {
  padding-top: 28px;
  padding-bottom: 12px;
}
.page-products__crumb .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fp-gray);
  font-size: 13px;
  font-family: var(--phn-font-mono);
}
.page-products__crumb .breadcrumb-item {
  color: inherit;
  text-decoration: none;
}
.page-products__crumb .breadcrumb-item a {
  color: var(--fp-gray);
  text-decoration: none;
  transition: color 0.2s;
}
.page-products__crumb .breadcrumb-item a:hover {
  color: var(--fp-orange);
}
.page-products__crumb .breadcrumb-item[aria-current="page"] {
  color: var(--fp-orange);
}
.page-products__crumb .breadcrumb-sep {
  color: var(--fp-orange);
}

/* ========== Hero 首屏 ========== */
.page-products__hero {
  position: relative;
  padding: 32px 0 56px;
}
.page-products__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 160px;
  height: 100%;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 12px,
    rgba(242, 92, 5, 0.05) 12px,
    rgba(242, 92, 5, 0.05) 24px
  );
  pointer-events: none;
  z-index: 0;
}
.page-products__hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(180deg, transparent, rgba(216, 213, 200, 0.35));
  pointer-events: none;
  z-index: 0;
}
.page-products__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}
.page-products__hero-copy {
  order: 2;
}
.page-products__hero-tag {
  display: inline-block;
  background: var(--fp-moss);
  color: #ffffff;
  padding: 4px 14px;
  margin-bottom: 16px;
  border-radius: 2px;
  font-size: 13px;
  letter-spacing: 0.08em;
}
.page-products__hero-title {
  font-family: var(--phn-font-heading);
  font-size: clamp(30px, 6vw, 54px);
  font-weight: 700;
  line-height: 1.16;
  color: var(--fp-ink);
  margin: 0 0 16px;
  letter-spacing: 0.01em;
}
.page-products__hero-lead {
  font-size: 16px;
  line-height: 1.85;
  color: var(--fp-gray);
  max-width: 38em;
  margin: 0 0 28px;
}
.page-products__hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  padding-top: 20px;
  border-top: 2px solid var(--fp-stone);
}
.page-products__hero-stat {
  display: flex;
  flex-direction: column;
}
.page-products__hero-stat-num {
  font-family: var(--phn-font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--fp-orange);
  line-height: 1.2;
}
.page-products__hero-stat-label {
  font-size: 13px;
  color: var(--fp-gray);
  margin-top: 4px;
  letter-spacing: 0.04em;
}
.page-products__hero-media {
  order: 1;
}
.page-products__hero-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(26, 29, 28, 0.16);
}

/* ========== 通用区块 ========== */
.page-products__section {
  padding: 64px 0;
  position: relative;
}
.page-products__head {
  margin-bottom: 36px;
}
.page-products__head .section-title {
  font-family: var(--phn-font-heading);
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  margin: 6px 0 12px;
  color: var(--fp-ink);
}
.page-products__head .section-title-index {
  font-family: var(--phn-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--fp-orange);
  text-transform: uppercase;
}
.page-products__head-desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--fp-gray);
  max-width: 46em;
  margin: 0;
}
.page-products__head--light .section-title {
  color: #ffffff;
}
.page-products__head--light .section-title-index {
  color: var(--fp-gold);
}
.page-products__head--light .page-products__head-desc {
  color: rgba(255, 255, 255, 0.82);
}

/* ========== SEC-01 功能矩阵 ========== */
.page-products__functions {
  background: var(--fp-cream);
}
.page-products__func-layout {
  display: grid;
  gap: 24px;
}
.page-products__func-side {
  display: none;
}
.page-products__func-side-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}
.page-products__func-grid {
  display: grid;
  gap: 16px;
}
.page-products__func-card {
  background: #ffffff;
  border: 1px solid var(--fp-stone);
  border-left: 4px solid var(--fp-orange);
  border-radius: 6px;
  padding: 0;
  position: relative;
  transition: box-shadow 0.25s, border-color 0.25s;
  transform: translateZ(0);
}
.page-products__func-card:hover {
  box-shadow: 0 6px 18px rgba(26, 29, 28, 0.10);
  border-left-color: var(--fp-orange-dark);
}
.page-products__func-summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px 18px 20px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  align-items: start;
  -webkit-tap-highlight-color: transparent;
}
.page-products__func-summary::-webkit-details-marker {
  display: none;
}
.page-products__func-summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 16px;
  font-family: var(--phn-font-mono);
  font-size: 20px;
  color: var(--fp-orange);
  font-weight: 400;
  transition: transform 0.25s;
}
.page-products__func-card[open] .page-products__func-summary::after {
  content: "−";
  transform: rotate(180deg);
}
.page-products__func-num {
  grid-row: 1 / 3;
  font-family: var(--phn-font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--fp-orange);
  padding: 2px 0 0 2px;
  line-height: 1.4;
  writing-mode: vertical-rl;
}
.page-products__func-title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--phn-font-heading);
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  color: var(--fp-ink);
}
.page-products__func-brief {
  grid-column: 2;
  grid-row: 2;
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fp-gray);
}
.page-products__func-detail {
  padding: 0 20px 18px 50px;
  border-top: 1px dashed var(--fp-stone);
  margin-top: 0;
}
.page-products__func-detail p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fp-gray);
}

/* ========== SEC-02 V3板块 ========== */
.page-products__v3 {
  background: var(--fp-navy);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}
.page-products__v3::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--fp-orange) 0%, var(--fp-gold) 100%);
}
.page-products__v3 .container {
  position: relative;
  z-index: 1;
  padding-bottom: 28px;
}
.page-products__v3-path {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}
.page-products__v3-step {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  padding: 20px;
  position: relative;
}
.page-products__v3-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--fp-orange), transparent 75%);
}
.page-products__v3-num {
  font-family: var(--phn-font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--fp-gold);
  display: block;
  margin-bottom: 8px;
}
.page-products__v3-title {
  font-family: var(--phn-font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 6px;
}
.page-products__v3-text {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}
.page-products__v3-arrow {
  font-family: var(--phn-font-mono);
  font-size: 22px;
  color: var(--fp-orange);
  text-align: center;
  line-height: 1;
}
.page-products__v3-note {
  background: rgba(255, 255, 255, 0.08);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  padding: 18px 20px;
  margin-top: 8px;
}
.page-products__v3-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

/* ========== SEC-03 分类体系 ========== */
.page-products__structure {
  background: var(--fp-cream);
}
.page-products__structure-grid {
  display: grid;
  gap: 28px;
}
.page-products__compare {
  display: grid;
  gap: 16px;
}
.page-products__compare-block {
  border-radius: 6px;
  padding: 20px;
  position: relative;
}
.page-products__compare-block--old {
  background: var(--fp-stone);
  border: 1px solid rgba(110, 110, 106, 0.18);
}
.page-products__compare-block--new {
  background: #ffffff;
  border: 2px solid var(--fp-orange);
  box-shadow: 0 8px 24px rgba(242, 92, 5, 0.12);
}
.page-products__compare-title {
  font-family: var(--phn-font-heading);
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--fp-ink);
}
.page-products__compare-block--new .page-products__compare-title {
  color: var(--fp-orange-dark);
}
.page-products__compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  line-height: 1.7;
}
.page-products__compare-list ul {
  list-style: none;
  margin: 0;
  padding-left: 18px;
  position: relative;
}
.page-products__compare-list li {
  position: relative;
  padding-left: 10px;
}
.page-products__compare-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 5px;
  height: 5px;
  background: var(--fp-gray);
  border-radius: 1px;
  transform: rotate(45deg);
}
.page-products__compare-block--new .page-products__compare-list li::before {
  background: var(--fp-orange);
}
.page-products__compare-arrow {
  font-family: var(--phn-font-mono);
  text-align: center;
  font-size: 30px;
  color: var(--fp-orange);
  font-weight: 700;
  line-height: 1;
}
.page-products__compare-chip {
  display: inline-block;
  margin-top: 12px;
  background: var(--fp-moss);
  color: #ffffff;
}
.page-products__compare-block--new .page-products__compare-chip {
  background: var(--fp-orange);
}
.page-products__structure-media {
  position: relative;
}
.page-products__structure-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(26, 29, 28, 0.14);
}

/* ========== SEC-04 会员权益 ========== */
.page-products__member {
  background: linear-gradient(180deg, var(--fp-cream), #efe9dc);
}
.page-products__member-grid {
  display: grid;
  gap: 28px;
}
.page-products__member-card {
  background: #ffffff;
  border: 2px solid var(--fp-gold);
  border-radius: 8px;
  padding: 28px 24px;
  position: relative;
  box-shadow: 0 10px 30px rgba(212, 175, 55, 0.16);
}
.page-products__member-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 24px;
  width: 60px;
  height: 2px;
  background: var(--fp-orange);
}
.page-products__member-title {
  font-family: var(--phn-font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--fp-ink);
  margin: 0 0 8px;
}
.page-products__member-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--fp-gray);
  margin: 0 0 16px;
}
.page-products__member-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-products__member-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--fp-ink);
}
.page-products__member-item .tag {
  flex-shrink: 0;
}
.page-products__member-format {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px dashed var(--fp-stone);
}
.page-products__member-format-label {
  font-size: 13px;
  color: var(--fp-gray);
  margin-right: 4px;
}
.page-products__member-format .data-chip {
  background: var(--fp-moss);
  color: #ffffff;
}
.page-products__member-media {
  position: relative;
}
.page-products__member-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(26, 29, 28, 0.14);
}

/* ========== SEC-05 多端支持 ========== */
.page-products__devices {
  background: #ffffff;
}
.page-products__devices-grid {
  display: grid;
  gap: 28px;
}
.page-products__devices-media {
  position: relative;
}
.page-products__devices-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--fp-stone);
}
.page-products__devices-copy {
  display: grid;
  gap: 20px;
}
.page-products__devices-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  background: var(--fp-cream);
  border-left: 4px solid var(--fp-orange);
  border-radius: 4px;
}
.page-products__devices-icon {
  font-size: 24px;
  color: var(--fp-orange);
  line-height: 1;
  padding-top: 2px;
}
.page-products__devices-title {
  font-family: var(--phn-font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--fp-ink);
  margin: 0 0 4px;
}
.page-products__devices-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fp-gray);
  margin: 0;
}

/* ========== 相关链接 ========== */
.page-products__more {
  background: var(--fp-navy);
  padding: 56px 0;
  position: relative;
  clip-path: polygon(0 28px, 28px 0, 100% 0, 100% 100%, 0 100%);
}
.page-products__more::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--fp-gold), var(--fp-orange) 45%, var(--fp-orange) 60%, transparent);
}
.page-products__more-grid {
  display: grid;
  gap: 16px;
}
.page-products__more-card {
  display: block;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  padding: 20px;
  text-decoration: none;
  transition: background 0.25s, transform 0.2s;
}
.page-products__more-card:hover,
.page-products__more-card:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  outline: none;
}
.page-products__more-card-index {
  font-family: var(--phn-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--fp-gold);
  letter-spacing: 0.14em;
  display: block;
  margin-bottom: 8px;
}
.page-products__more-card-title {
  font-family: var(--phn-font-heading);
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 6px;
}
.page-products__more-card-text {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}

/* ========== 移动端优先的媒体查询 ========== */
@media (min-width: 768px) {
  .page-products__hero {
    padding: 56px 0 80px;
  }
  .page-products__hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
  }
  .page-products__hero-copy {
    order: 1;
  }
  .page-products__hero-media {
    order: 2;
  }
  .page-products__hero-title {
    font-size: clamp(40px, 5vw, 58px);
  }
  .page-products__func-layout {
    grid-template-columns: 240px 1fr;
    gap: 28px;
    align-items: stretch;
  }
  .page-products__func-side {
    display: block;
  }
  .page-products__func-side img {
    height: 100%;
    max-height: 780px;
  }
  .page-products__func-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .page-products__v3-path {
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 12px;
    align-items: center;
    margin-bottom: 32px;
  }
  .page-products__v3-arrow {
    font-size: 28px;
  }
  .page-products__v3-step {
    padding: 24px 22px;
  }
  .page-products__structure-grid {
    grid-template-columns: 1fr 0.9fr;
    gap: 40px;
    align-items: center;
  }
  .page-products__compare {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .page-products__compare-arrow {
    transform: rotate(90deg);
  }
  .page-products__member-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }
  .page-products__member-card {
    padding: 32px;
  }
  .page-products__devices-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 40px;
    align-items: center;
  }
  .page-products__more-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .page-products__more-card {
    padding: 24px;
  }
}

@media (min-width: 1024px) {
  .page-products__func-layout {
    grid-template-columns: 320px 1fr;
    gap: 36px;
  }
  .page-products__func-grid {
    gap: 24px;
  }
  .page-products__func-card .page-products__func-brief {
    font-size: 15px;
  }
  .page-products__hero-stats {
    gap: 32px 40px;
  }
  .page-products__hero-stat-num {
    font-size: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products__func-card,
  .page-products__v3-step,
  .page-products__more-card {
    transition: none;
    transform: none;
  }
  .page-products__func-summary::after {
    transition: none;
  }
}