.page-products {
  --surface: var(--ink-850);
  --surface-2: var(--ink-800);
  --on-surface: var(--paper);
  --on-surface-muted: var(--mist);
  --hairline: var(--line);
  --accent-soft: var(--copper-soft);
  --chip-border: rgba(185, 133, 75, 0.42);
}

.page-products .section--paper {
  --surface: var(--paper);
  --surface-2: rgba(18, 33, 46, 0.05);
  --on-surface: var(--text-dark);
  --on-surface-muted: var(--muted);
  --hairline: rgba(18, 33, 46, 0.18);
  --accent-soft: #8a5a22;
  --chip-border: rgba(18, 33, 46, 0.22);
}

/* ---------- 首屏 ---------- */
.page-products .offer-head {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-products .offer-head__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
  margin-top: clamp(20px, 3.5vw, 36px);
}

.page-products .offer-head h1 {
  margin: 0.18em 0 0.42em;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--paper);
}

.page-products .offer-head .lede {
  max-width: 46ch;
  color: rgba(242, 246, 248, 0.84);
}

.page-products .offer-head__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: clamp(18px, 3vw, 26px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-products .offer-head__ver {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--copper-soft);
}

.page-products .offer-head__date {
  font-size: 14px;
  color: var(--mist);
}

.page-products .offer-head__figure {
  margin: 0;
}

.page-products .offer-head__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -40px rgba(47, 211, 181, 0.5);
}

/* ---------- 目录 ---------- */
.page-products .offer-catalog {
  padding-top: clamp(8px, 2vw, 16px);
}

.page-products .offer-catalog__layout {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .offer-index {
  padding: 16px 16px 18px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-products .offer-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.page-products .offer-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .offer-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .offer-index__link:hover,
.page-products .offer-index__link:focus-visible {
  background: rgba(47, 211, 181, 0.12);
  color: var(--paper);
}

.page-products .offer-index__link:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-products .offer-index__num {
  font-size: 12px;
  color: var(--copper-soft);
}

.page-products .offer-index__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}

.page-products .offer-catalog__body h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0 0 12px;
}

.page-products .offer-cats {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .offer-cat {
  padding: 16px 18px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--r-md);
  transition: border-left-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-products .offer-cat:hover {
  border-left-color: var(--copper);
  transform: translateY(-2px);
}

.page-products .offer-cat:focus-within {
  border-left-color: var(--teal);
}

.page-products .offer-cat__top {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .offer-cat__num {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper-soft);
}

.page-products .offer-cat__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: -0.01em;
}

.page-products .offer-cat__name a {
  color: var(--paper);
  text-decoration: none;
}

.page-products .offer-cat__name a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
  border-radius: 3px;
}

.page-products .offer-cat__count {
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}

.page-products .offer-cat__desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 通用区块 ---------- */
.page-products .offer-sec__head {
  display: grid;
  gap: 10px;
  max-width: 66ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .offer-sec__num {
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--accent-soft);
}

.page-products .offer-sec h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.018em;
  color: var(--on-surface);
}

.page-products .offer-sec .prose {
  color: var(--on-surface-muted);
}

.page-products .offer-sub {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--on-surface);
}

.page-products .offer-sub--tight {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .offer-sub--flush {
  margin-bottom: 8px;
}

.page-products .offer-fine {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--on-surface-muted);
}

/* ---------- 会员等级阶梯 ---------- */
.page-products .tier-ladder {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 40px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .tier {
  display: grid;
  gap: 6px;
  padding: 16px 18px 18px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-top: 2px solid var(--copper);
  border-radius: 0 0 var(--r-md) var(--r-md);
}

.page-products .tier__num {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--copper-soft);
}

.page-products .tier__name {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--paper);
}

.page-products .tier__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 左右分栏 ---------- */
.page-products .offer-split {
  display: grid;
  gap: clamp(22px, 3.5vw, 38px);
}

.page-products .offer-split__figure {
  margin: 0;
}

.page-products .offer-split__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-products .offer-split__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 折叠条目 ---------- */
.page-products .offer-fold {
  border-top: 1px solid var(--line);
}

.page-products .offer-fold:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-products .offer-fold summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

.page-products .offer-fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--copper-soft);
}

.page-products .offer-fold[open] summary::after {
  content: "–";
}

.page-products .offer-fold summary:hover {
  color: var(--copper-soft);
}

.page-products .offer-fold summary:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-products .offer-fold__meta {
  font-size: 12px;
  color: var(--muted);
}

.page-products .offer-fold p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 权益标签 ---------- */
.page-products .offer-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .offer-chips li {
  padding: 5px 13px;
  border: 1px dashed var(--chip-border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--on-surface-muted);
}

/* ---------- 双列服务清单 ---------- */
.page-products .offer-duo {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .offer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .offer-list li {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  transition: border-color 0.2s var(--ease);
}

.page-products .offer-list li:hover {
  border-color: var(--copper);
}

.page-products .offer-item__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--on-surface);
}

.page-products .offer-item__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-surface-muted);
}

.page-products .offer-list--tight li {
  padding: 12px 14px;
}

/* ---------- 宽幅图 ---------- */
.page-products .offer-wide-figure {
  margin: clamp(24px, 4vw, 42px) 0 0;
}

.page-products .offer-wide-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-products .offer-wide-figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .offer-wide-figure--inset {
  max-width: 760px;
}

/* ---------- 安全区块 ---------- */
.page-products .offer-sec--security {
  background:
    radial-gradient(circle at 88% 8%, rgba(47, 211, 181, 0.1), transparent 52%),
    radial-gradient(circle at 6% 82%, rgba(185, 133, 75, 0.12), transparent 46%);
}

.page-products .offer-security {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-products .offer-square-figure {
  margin: 0 0 clamp(18px, 3vw, 26px);
}

.page-products .offer-square-figure img {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-products .offer-response {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .offer-response li {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: var(--surface-2);
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-products .offer-response__time {
  font-size: 15px;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-products .offer-response__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--on-surface-muted);
}

/* ---------- 流程 ---------- */
.page-products .offer-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .offer-flow li {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.5vw, 24px) 0;
  border-top: 1px solid var(--hairline);
}

.page-products .offer-flow li:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-products .offer-flow__num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent-soft);
}

.page-products .offer-flow__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  color: var(--on-surface);
}

.page-products .offer-flow__desc {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--on-surface-muted);
}

/* ---------- 路径对照 ---------- */
.page-products .offer-verdiff {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.page-products .offer-verdiff__col {
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
}

.page-products .offer-verdiff__col--web {
  border-top: 2px solid var(--cyan);
}

.page-products .offer-verdiff__col--app {
  border-top: 2px solid var(--mist);
}

.page-products .offer-verdiff__path {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  color: var(--on-surface);
  word-break: break-word;
}

/* ---------- 版本提示 ---------- */
.page-products .offer-version-note {
  margin-top: clamp(24px, 4vw, 38px);
}

.page-products .offer-version-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text-dark);
}

/* ---------- 收尾引导 ---------- */
.page-products .offer-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 42px);
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-900);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-products .offer-cta__text .offer-sub {
  color: var(--paper);
}

.page-products .offer-cta__desc {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .offer-cta__desc .link-arrow {
  color: var(--teal);
}

.page-products .offer-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .tier-ladder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-products .offer-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .offer-cat:first-child {
    grid-column: 1 / -1;
    padding-left: 24px;
  }

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

@media (min-width: 820px) {
  .page-products .offer-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .offer-security {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-products .offer-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .offer-flow li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .offer-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .offer-head__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-products .offer-catalog__layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-products .offer-index {
    position: sticky;
    top: 96px;
  }

  .page-products .tier-ladder {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .offer-cat,
  .page-products .offer-index__link,
  .page-products .offer-list li {
    transition: none;
  }

  .page-products .offer-cat:hover {
    transform: none;
  }
}