.page-products {
  --products-gap: clamp(24px, 4vw, 56px);
  --products-section-gap: clamp(48px, 7vw, 96px);
  display: block;
  padding-bottom: clamp(48px, 8vw, 120px);
}

.page-products .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */

.page-products .products-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 68px) 0 clamp(18px, 2.6vw, 30px);
}

.page-products .products-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 6% 0%, rgba(78, 140, 122, 0.22) 0%, transparent 58%),
    radial-gradient(110% 80% at 42% 4%, rgba(217, 161, 74, 0.20) 0%, transparent 56%),
    radial-gradient(120% 90% at 76% 0%, rgba(180, 98, 58, 0.16) 0%, transparent 54%),
    radial-gradient(130% 110% at 100% 10%, rgba(47, 75, 114, 0.20) 0%, transparent 60%);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  pointer-events: none;
}

.page-products .products-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(169, 188, 203, 0.28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(169, 188, 203, 0.28) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), transparent 78%);
  pointer-events: none;
  opacity: 0.55;
}

.page-products .products-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .products-hero .eyebrow {
  margin: 0 0 clamp(10px, 1.6vw, 18px);
  color: var(--ink-soft);
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.page-products .products-hero h1 {
  margin: 0 0 clamp(14px, 2.2vw, 26px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.2vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20ch;
}

.page-products .products-hero .lead {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.85;
}

.page-products .products-hero-media {
  margin: clamp(22px, 3.4vw, 40px) 0 0;
}

/* ---------- 目录 + 主体骨架 ---------- */

.page-products .products-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--products-gap);
  padding-top: clamp(34px, 5vw, 64px);
}

.page-products .products-toc {
  position: relative;
  border-top: var(--rule);
  padding-top: 14px;
}

.page-products .products-toc-label {
  margin: 0 0 12px;
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  text-transform: uppercase;
}

.page-products .products-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 16px;
}

.page-products .products-toc-list a {
  display: block;
  padding: 7px 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .products-toc-list a:hover,
.page-products .products-toc-list a:focus-visible {
  color: var(--ink);
}

.page-products .products-toc-list a[aria-current="true"] {
  color: var(--ink);
  font-weight: 600;
  border-bottom-color: var(--poplar);
}

/* ---------- 章节通用 ---------- */

.page-products .products-section {
  margin-bottom: var(--products-section-gap);
  scroll-margin-top: clamp(90px, 14vh, 130px);
}

.page-products .section-mark {
  position: relative;
  margin: 0 0 clamp(10px, 1.6vw, 16px);
  padding-bottom: 12px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-products .section-mark::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-image: linear-gradient(to right, var(--blueprint) 0 6px, transparent 6px 14px);
  background-size: 14px 1px;
  background-repeat: repeat-x;
  opacity: 0.7;
}

.page-products .products-section h2 {
  margin: 0 0 clamp(12px, 1.8vw, 20px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.2vw, 2.4rem);
  line-height: 1.24;
  color: var(--ink);
  max-width: 22ch;
}

.page-products .products-intro {
  margin: 0 0 clamp(20px, 3vw, 34px);
  max-width: 68ch;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.85;
}

/* ---------- 功能总览卡 ---------- */

.page-products .capability-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 18px);
}

.page-products .capability-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px) clamp(18px, 2.4vw, 28px);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(78, 140, 122, 0.14) 0%, rgba(251, 249, 245, 0.9) 62%);
  border: 1px solid rgba(78, 140, 122, 0.22);
}

.page-products .capability-card--summer {
  background: linear-gradient(160deg, rgba(217, 161, 74, 0.18) 0%, rgba(251, 249, 245, 0.9) 62%);
  border-color: rgba(217, 161, 74, 0.28);
}

.page-products .capability-card--autumn {
  background: linear-gradient(160deg, rgba(180, 98, 58, 0.16) 0%, rgba(251, 249, 245, 0.9) 62%);
  border-color: rgba(180, 98, 58, 0.26);
}

.page-products .capability-card--winter {
  background: linear-gradient(160deg, rgba(47, 75, 114, 0.16) 0%, rgba(251, 249, 245, 0.9) 62%);
  border-color: rgba(47, 75, 114, 0.26);
}

.page-products .capability-num {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-products .capability-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
  font-weight: 700;
  color: var(--ink);
}

.page-products .capability-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.8;
}

/* ---------- 订阅设置 ---------- */

.page-products .pref-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-products .pref-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-products .pref-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(169, 188, 203, 0.42);
}

.page-products .pref-item:first-child {
  padding-top: 0;
}

.page-products .pref-key {
  padding-top: 3px;
  font-size: 0.82rem;
  color: var(--spring);
  letter-spacing: 0.1em;
}

.page-products .pref-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pref-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.8;
}

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

.page-products .pref-media .media-caption {
  color: var(--ink-soft);
}

.page-products .note-block {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-md);
  background: var(--gravel);
  border-left: 3px solid var(--summer);
}

.page-products .note-block-title {
  margin: 0 0 8px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--ink);
  text-transform: uppercase;
}

.page-products .note-block p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.82;
}

/* ---------- 记录查询 ---------- */

.page-products .records-panel {
  border-radius: var(--radius-lg);
  background: var(--night);
  padding: clamp(18px, 2.6vw, 32px);
  overflow: hidden;
}

.page-products .records-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: clamp(16px, 2.2vw, 24px);
}

.page-products .records-panel-title {
  margin: 0 0 6px;
  color: var(--poplar);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-products .records-panel-sub {
  margin: 0;
  color: rgba(251, 249, 245, 0.72);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-products .records-panel .copy-chip {
  flex: none;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(242, 193, 78, 0.5);
  background: transparent;
  color: var(--poplar);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-products .records-panel .copy-chip:hover,
.page-products .records-panel .copy-chip:focus-visible {
  background: rgba(242, 193, 78, 0.14);
}

.page-products .records-panel .copy-chip.is-copied {
  background: var(--poplar);
  color: var(--ink);
}

.page-products .records-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-products .filter-chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(169, 188, 203, 0.42);
  color: rgba(251, 249, 245, 0.82);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-products .records-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  background: rgba(251, 249, 245, 0.04);
}

.page-products .records-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.page-products .records-table th,
.page-products .records-table td {
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
}

.page-products .records-table thead th {
  color: var(--poplar);
  font-weight: 600;
  letter-spacing: 0.1em;
  border-bottom: 1px solid rgba(169, 188, 203, 0.42);
}

.page-products .records-table tbody td {
  color: rgba(251, 249, 245, 0.8);
  border-bottom: 1px solid rgba(169, 188, 203, 0.16);
}

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

.page-products .records-table tbody tr:hover td {
  background: rgba(242, 193, 78, 0.08);
}

.page-products .records-foot {
  margin: clamp(14px, 2vw, 20px) 0 0;
  color: rgba(251, 249, 245, 0.6);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-products .records-media {
  margin-top: clamp(22px, 3vw, 34px);
}

/* ---------- 协同流程 ---------- */

.page-products .flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 18px);
}

.page-products .flow-card {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  background: var(--mist);
  border: 1px solid rgba(169, 188, 203, 0.5);
}

.page-products .flow-card:nth-child(1) {
  border-top: 3px solid var(--spring);
}

.page-products .flow-card:nth-child(2) {
  border-top: 3px solid var(--summer);
}

.page-products .flow-card:nth-child(3) {
  border-top: 3px solid var(--autumn);
}

.page-products .flow-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .flow-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.8;
}

/* ---------- 四步流程 ---------- */

.page-products .step-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-products .step-item {
  border-radius: var(--radius-md);
  background: var(--gravel);
  overflow: hidden;
  transition: background 0.2s ease;
}

.page-products .step-item[open] {
  background: linear-gradient(140deg, rgba(78, 140, 122, 0.12) 0%, var(--mist) 55%);
}

.page-products .step-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px clamp(16px, 2.2vw, 24px);
  cursor: pointer;
  list-style: none;
}

.page-products .step-summary::-webkit-details-marker {
  display: none;
}

.page-products .step-num {
  font-size: 0.82rem;
  color: var(--autumn);
  letter-spacing: 0.1em;
}

.page-products .step-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .step-time {
  font-size: 0.76rem;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-align: right;
}

.page-products .step-body {
  padding: 0 clamp(16px, 2.2vw, 24px) 18px 50px;
}

.page-products .step-body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.82;
}

/* ---------- 设备与场景 ---------- */

.page-products .device-switch {
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-products .device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 18px);
}

.page-products .device-card {
  padding: clamp(18px, 2.4vw, 28px);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(78, 140, 122, 0.14) 0%, rgba(251, 249, 245, 0.92) 58%);
  border: 1px solid rgba(78, 140, 122, 0.22);
}

.page-products .device-card--winter {
  background: linear-gradient(150deg, rgba(47, 75, 114, 0.16) 0%, rgba(251, 249, 245, 0.92) 58%);
  border-color: rgba(47, 75, 114, 0.24);
}

.page-products .device-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .device-card > p {
  margin: 0 0 14px;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-products .device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .device-list li {
  position: relative;
  padding-left: 16px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-products .device-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--poplar);
}

.page-products .device-media {
  margin: clamp(20px, 2.8vw, 32px) 0;
}

.page-products .scene-heading {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(10px, 1.6vw, 16px);
}

.page-products .scene-item {
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px dashed rgba(169, 188, 203, 0.7);
}

.page-products .scene-label {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--winter);
  text-transform: uppercase;
}

.page-products .scene-item p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.78;
}

/* ---------- 帮助区 ---------- */

.page-products .products-section--help {
  padding: clamp(22px, 3vw, 36px);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(78, 140, 122, 0.1) 0%, rgba(217, 161, 74, 0.12) 38%, rgba(180, 98, 58, 0.1) 70%, rgba(47, 75, 114, 0.14) 100%);
  border: 1px solid rgba(169, 188, 203, 0.5);
}

.page-products .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-products .help-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
}

.page-products .products-tail-media {
  margin: clamp(28px, 4vw, 48px) 0 0;
}

/* ---------- 动效 ---------- */

.page-products [data-reveal] {
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-products [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 桌面布局 ---------- */

@media (min-width: 640px) {
  .page-products .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .flow-grid,
  .page-products .device-grid,
  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .flow-card:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .products-shell {
    grid-template-columns: minmax(178px, 216px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 80px);
    align-items: start;
  }

  .page-products .products-toc {
    position: sticky;
    top: clamp(96px, 14vh, 132px);
    align-self: start;
  }

  .page-products .products-toc-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-products .products-toc-list a {
    padding: 8px 0;
  }

  .page-products .pref-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 48px);
  }

  .page-products .flow-card:nth-child(3) {
    grid-column: auto;
  }

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

  .page-products .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .device-card--winter {
    transform: translateY(14px);
  }

  .page-products .capability-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .records-table {
    min-width: 0;
    font-size: 0.88rem;
  }

  .page-products .records-table th,
  .page-products .records-table td {
    padding: 13px 20px;
  }
}

@media (min-width: 1100px) {
  .page-products .products-hero h1 {
    max-width: 16ch;
  }
}