/* ============================================================
   版本与方案 /solutions/ —— 页面专属样式（作用域：.page-products）
   ============================================================ */

.page-products {
  --pd-gap: clamp(16px, 3vw, 32px);
  --pd-r-sm: 14px;
  --pd-line-soft: rgba(30, 62, 92, .72);
  --pd-cyan-a: rgba(0, 229, 199, .13);
  --pd-orange-a: rgba(255, 107, 53, .15);
  --pd-shadow: 0 20px 48px rgba(2, 10, 22, .5);
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -.01em;
  margin: 0;
}

.page-products h1 {
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.1;
  letter-spacing: -.022em;
}

.page-products h2 {
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.18;
}

.page-products h3 {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.36;
  font-weight: 500;
}

.page-products p {
  margin: 0;
}

.page-products .pd-lede {
  margin-top: 18px;
  color: var(--muted);
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.75;
  max-width: 46ch;
}

.page-products .pd-head__sub {
  margin-top: 14px;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  max-width: 62ch;
}

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

.page-products .pd-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--cyan);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 199, .34);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan-soft);
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(26px, 4.5vw, 58px) 0 clamp(34px, 5.5vw, 76px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(0, 229, 199, .12), transparent 58%),
    linear-gradient(163deg, var(--bg) 0%, var(--bg-2) 48%, var(--bg) 100%);
  overflow: hidden;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -12%;
  bottom: -34%;
  width: 62%;
  height: 66%;
  background: linear-gradient(112deg, rgba(255, 107, 53, .13), rgba(255, 107, 53, 0) 62%);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-products .pd-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-products .pd-hero__copy .crumb {
  margin-bottom: 18px;
}

.page-products .pd-hero__actions {
  margin-top: 26px;
}

.page-products .pd-hero__chips {
  margin-top: 24px;
}

.page-products .pd-hero__art {
  margin: 0;
  position: relative;
}

.page-products .pd-hero__art::before {
  content: "";
  position: absolute;
  inset: 12px -10px -12px 10px;
  border: 1px solid rgba(0, 229, 199, .28);
  border-radius: var(--r-card);
  transform: rotate(-4deg);
  pointer-events: none;
}

.page-products .pd-hero__art img {
  position: relative;
  width: 100%;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  box-shadow: var(--pd-shadow);
  object-fit: cover;
  background: var(--card);
}

/* ---------- 章节索引条 ---------- */

.page-products .pd-index {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-index__inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pd-index__inner::-webkit-scrollbar {
  display: none;
}

.page-products .pd-index__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .pd-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: 0 0 auto;
}

.page-products .pd-index__link {
  display: inline-block;
  padding: 6px 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pd-index__link:hover,
.page-products .pd-index__link[aria-current="true"] {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 通用区块节奏 ---------- */

.page-products .pd-block {
  padding: clamp(46px, 7vw, 96px) 0;
  border-bottom: 1px solid var(--pd-line-soft);
}

.page-products .pd-block:last-of-type {
  border-bottom: 0;
}

.page-products .pd-head {
  max-width: 72ch;
}

.page-products .pd-head h2 {
  margin-top: 8px;
}

/* ---------- 三栏对照 ---------- */

.page-products .pd-compare {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.page-products .pd-scroll {
  margin-top: clamp(26px, 4vw, 44px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-products .pd-scroll:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--r-card);
}

.page-products .pd-table {
  width: 100%;
  min-width: 860px;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--card);
  font-size: 14.5px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.62;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-table tr > *:last-child {
  border-right: 0;
}

.page-products .pd-table tbody tr:last-child > * {
  border-bottom: 0;
}

.page-products .pd-table thead th {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-table__corner {
  width: 140px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  vertical-align: bottom;
}

.page-products .pd-col strong {
  display: block;
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-products .pd-col__sub {
  display: block;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--muted);
}

.page-products .pd-col--old {
  background: var(--bg-2);
}

.page-products .pd-col--up {
  background: linear-gradient(180deg, var(--pd-orange-a), rgba(255, 107, 53, .04));
  box-shadow: inset 0 0 0 1px rgba(255, 107, 53, .55);
}

.page-products .pd-col--mob {
  background: rgba(0, 229, 199, .06);
}

.page-products .pd-table tbody th {
  width: 140px;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--cyan-soft);
  background: var(--bg-2);
}

.page-products .pd-table td {
  color: var(--ink);
}

.page-products .pd-table td.is-up {
  background: rgba(255, 107, 53, .08);
}

.page-products .pd-table tbody tr:hover td:not(.is-up) {
  background: rgba(0, 229, 199, .055);
}

.page-products .pd-table tbody tr:hover td.is-up {
  background: rgba(255, 107, 53, .14);
}

.page-products .pd-points-row {
  margin-top: 22px;
  padding: 22px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  border: 1px dashed var(--line);
  border-radius: var(--r-card);
  background: var(--bg-2);
}

.page-products .pd-points {
  flex: 1 1 320px;
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
}

.page-products .pd-note {
  margin-top: clamp(28px, 4.5vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
}

.page-products .pd-note__fig {
  margin: 0;
}

.page-products .pd-note__fig img {
  width: 100%;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--card);
}

.page-products .pd-note__copy h3 {
  margin-top: 6px;
}

.page-products .pd-note__copy p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 54ch;
}

/* ---------- 十二项指标 ---------- */

.page-products .pd-metrics__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-metrics__intro h2 {
  margin-top: 8px;
}

.page-products .pd-sortbar {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
}

.page-products .pd-sortbar li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.page-products .pd-sortbar .num {
  font-family: var(--font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -.02em;
}

.page-products .pd-sortbar li > span:last-child {
  font-size: 13.5px;
  color: var(--muted);
}

.page-products .pd-metrics__fig {
  margin: 0;
}

.page-products .pd-metrics__fig img {
  width: 100%;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--card);
}

.page-products .pd-metrics__fig .figure__caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pd-metric-grid {
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(152px, 1fr));
  gap: 12px;
}

.page-products .pd-metric {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--pd-r-sm);
  background: var(--card);
  outline: none;
  transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
}

.page-products .pd-metric:hover,
.page-products .pd-metric:focus-visible {
  border-color: var(--cyan);
  background: #16324e;
  transform: translateY(-2px);
}

.page-products .pd-metric__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .pd-metric__name {
  display: block;
  margin-top: 10px;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}

.page-products .pd-metric__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .pd-metrics__foot {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid var(--pd-line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.page-products .pd-metrics__foot p {
  flex: 1 1 380px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 68ch;
}

.page-products .pd-metrics__foot .pd-link {
  margin-top: 0;
  white-space: nowrap;
}

/* ---------- 切换路径 ---------- */

.page-products .pd-migrate {
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 60%);
}

.page-products .pd-steps {
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pd-step {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: linear-gradient(158deg, var(--card) 0%, var(--bg-2) 100%);
}

.page-products .pd-step__idx {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
  opacity: .6;
}

.page-products .pd-step p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 14.5px;
}

.page-products .pd-migrate__cta {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-radius: var(--r-card);
  border: 1px solid rgba(0, 229, 199, .3);
  background: linear-gradient(120deg, rgba(0, 229, 199, .1), rgba(10, 26, 47, .2) 62%);
}

.page-products .pd-migrate__cta > div:first-child {
  flex: 1 1 320px;
}

.page-products .pd-migrate__cta p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.72;
  max-width: 56ch;
  font-size: 14.5px;
}

.page-products .pd-banner {
  margin: clamp(30px, 5vw, 56px) 0 0;
}

.page-products .pd-banner img {
  width: 100%;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--bg-2);
}

/* ---------- 场景建议 ---------- */

.page-products .pd-scene-grid {
  margin-top: clamp(26px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pd-scene {
  position: relative;
  padding: 26px 22px 22px;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--card);
  overflow: hidden;
}

.page-products .pd-scene::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-products .pd-scene--light::before {
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 199, 0));
}

.page-products .pd-scene--deep {
  background: linear-gradient(170deg, rgba(255, 107, 53, .13), var(--card) 62%);
  border-color: rgba(255, 107, 53, .42);
}

.page-products .pd-scene--deep::before {
  background: linear-gradient(90deg, var(--orange), rgba(255, 107, 53, 0));
}

.page-products .pd-scene--team::before {
  background: linear-gradient(90deg, var(--gold), rgba(212, 175, 55, 0));
}

.page-products .pd-scene h3 {
  margin-top: 16px;
}

.page-products .pd-scene p {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 14.5px;
}

.page-products .pd-scene__pick {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--pd-line-soft);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: .02em;
}

.page-products .pd-scene__pick strong {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 升级版新增能力 ---------- */

.page-products .pd-power {
  background:
    radial-gradient(90% 70% at 8% 100%, rgba(255, 107, 53, .1), transparent 62%),
    var(--bg);
}

.page-products .pd-power__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-products .pd-power__copy h2 {
  margin-top: 8px;
}

.page-products .pd-power__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .pd-power__list li {
  padding: 20px 22px;
  border-left: 2px solid var(--orange);
  border-radius: 0 var(--pd-r-sm) var(--pd-r-sm) 0;
  background: linear-gradient(90deg, rgba(255, 107, 53, .1), rgba(19, 43, 69, .35));
}

.page-products .pd-power__list h3 {
  font-size: 18px;
}

.page-products .pd-power__list p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 14.5px;
}

.page-products .pd-power__more {
  margin-top: 24px;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.75;
}

.page-products .pd-power__more .pd-link {
  margin-top: 0;
}

.page-products .pd-power__fig {
  margin: 0;
}

.page-products .pd-power__fig img {
  width: 100%;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--card);
}

.page-products .pd-power__fig .figure__caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 迁移疑问 ---------- */

.page-products .pd-faq {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.page-products .pd-faq__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-products .pd-faq__aside h2 {
  margin-top: 8px;
}

.page-products .pd-faq__aside .btn {
  margin-top: 22px;
}

.page-products .pd-faq__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-products .pd-faq__item {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-faq__item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pd-faq__item h3 {
  font-size: 17.5px;
  color: var(--ink);
}

.page-products .pd-faq__item p {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.75;
  font-size: 14.5px;
  max-width: 66ch;
}

/* ---------- 收尾 ---------- */

.page-products .pd-tail {
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(0, 229, 199, .12), transparent 58%),
    var(--bg-2);
  border-bottom: 0;
}

.page-products .pd-tail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 3vw, 44px);
}

.page-products .pd-tail__inner > div:first-child {
  flex: 1 1 340px;
}

.page-products .pd-tail__inner h2 {
  margin-top: 8px;
}

.page-products .pd-tail__inner p {
  margin-top: 14px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 60ch;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-products .pd-metrics__top {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-products .pd-note {
    grid-template-columns: minmax(180px, 250px) minmax(0, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -8px;
    width: 16px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 199, 0));
  }

  .page-products .pd-scene-grid {
    grid-template-columns: 1fr 1.3fr 1fr;
    align-items: start;
  }

  .page-products .pd-scene--deep {
    transform: translateY(-18px);
  }

  .page-products .pd-power__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-products .pd-faq__layout {
    grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr);
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-products .pd-metric {
    min-height: 118px;
    padding-bottom: 18px;
    overflow: hidden;
  }

  .page-products .pd-metric__desc {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 14px;
    margin-top: 0;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity .22s var(--ease), transform .22s var(--ease);
  }

  .page-products .pd-metric:hover .pd-metric__desc,
  .page-products .pd-metric:focus-visible .pd-metric__desc,
  .page-products .pd-metric:focus-within .pd-metric__desc {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 620px) {
  .page-products .pd-hero__art::before {
    inset: 8px -6px -8px 6px;
  }

  .page-products .pd-sortbar {
    gap: 14px 20px;
  }

  .page-products .pd-sortbar .num {
    font-size: 24px;
  }

  .page-products .pd-points-row {
    padding: 18px 16px;
  }

  .page-products .pd-migrate__cta {
    padding: 20px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-metric,
  .page-products .pd-metric__desc,
  .page-products .pd-index__link,
  .page-products .pd-link {
    transition: none;
  }

  .page-products .pd-scene--deep {
    transform: none;
  }
}