/* ============ 产品与功能页 ============ */

.page-products {
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding-block: clamp(20px, 3vw, 40px) clamp(28px, 4.5vw, 56px);
}

.page-products .pf-hero .ig-crumb {
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-products .pf-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
}

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-products .pf-hero .ig-title {
  margin: 0;
  max-width: 16ch;
}

.page-products .pf-hero__lede {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 46ch;
  font-size: var(--fs-17);
  line-height: 1.9;
  color: var(--mute-dark);
}

.page-products .pf-hero .ig-pill-row {
  margin-top: clamp(18px, 2.2vw, 26px);
}

.page-products .pf-hero__meters {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-products .pf-hero__meter {
  min-width: 0;
}

.page-products .pf-hero__num {
  display: block;
  font-size: clamp(1.4rem, 3.4vw, 2.125rem);
  line-height: 1.1;
  color: var(--cyan);
}

.page-products .pf-hero__meter p {
  margin: 6px 0 0;
  font-size: var(--fs-12);
  line-height: 1.65;
  color: var(--mute-dark);
}

/* ---------- 左右分屏 ---------- */
.page-products .pf-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

@media (min-width: 960px) {
  .page-products .pf-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 52px);
  }
}

.page-products .pf-rail,
.page-products .pf-body {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-products .pf-rail .ig-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

.page-products .pf-rail__label {
  display: none;
}

@media (min-width: 960px) {
  .page-products .pf-rail__label {
    display: block;
    margin: 0 0 12px;
    font-size: var(--fs-12);
    letter-spacing: .18em;
    color: var(--mute-dark);
  }
}

.page-products .pf-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-products .pf-index::-webkit-scrollbar {
  display: none;
}

@media (min-width: 960px) {
  .page-products .pf-index {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-products .pf-index .ig-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: var(--fs-13);
  color: var(--mute-dark);
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pf-index .ig-index__idx {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  opacity: .65;
}

.page-products .pf-index .ig-index__link:hover {
  color: var(--cyan);
}

.page-products .pf-index .ig-index__link[aria-current="true"] {
  color: var(--cyan);
  background: var(--ink-700);
  border-color: var(--line-strong);
}

.page-products .pf-rail__status {
  display: none;
}

@media (min-width: 960px) {
  .page-products .pf-rail__status {
    display: block;
    margin-top: 26px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    background: var(--ink-800);
  }

  .page-products .pf-rail__status p {
    margin: 10px 0 0;
    font-size: var(--fs-12);
    line-height: 1.7;
    color: var(--mute-dark);
  }

  .page-products .pf-rail__status .pf-rail__ver {
    margin-top: 12px;
    font-size: var(--fs-15);
    color: var(--cyan);
  }
}

/* ---------- 区块外壳 ---------- */
.page-products .pf-block {
  position: relative;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(20px, 3vw, 38px);
}

.page-products .pf-block + .pf-block,
.page-products .pf-band + .pf-block {
  margin-top: clamp(16px, 2.2vw, 28px);
}

.page-products .pf-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .pf-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pf-block .ig-h2 {
  margin: 0;
  max-width: 22ch;
}

.page-products .pf-lead,
.page-products .pf-text {
  margin: 14px 0 0;
  font-size: var(--fs-17);
  line-height: 1.88;
  color: var(--paper);
  max-width: 46ch;
}

.page-products .pf-lead {
  margin-top: 12px;
  color: var(--mute-dark);
}

.page-products .pf-fine {
  margin: 14px 0 0;
  font-size: var(--fs-13);
  line-height: 1.8;
  color: var(--mute-dark);
}

/* ---------- 概览卡片 ---------- */
.page-products .pf-quad {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

@media (min-width: 700px) {
  .page-products .pf-quad {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pf-feature {
    grid-column: span 2;
  }

  .page-products .pf-feature--wide {
    grid-column: span 4;
  }
}

.page-products .pf-feature {
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px;
  min-width: 0;
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-products .pf-feature:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-products .pf-feature .ig-h3 {
  margin: 14px 0 0;
  color: var(--paper);
}

.page-products .pf-feature p {
  margin: 8px 0 0;
  font-size: var(--fs-15);
  line-height: 1.78;
  color: var(--mute-dark);
}

/* ---------- 图文双栏 ---------- */
.page-products .pf-dup {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 28px);
  margin-top: clamp(18px, 2.4vw, 26px);
}

@media (min-width: 760px) {
  .page-products .pf-dup {
    grid-template-columns: minmax(0, 1fr) minmax(0, .58fr);
    align-items: start;
  }

  .page-products .pf-dup--media-first {
    grid-template-columns: minmax(0, .58fr) minmax(0, 1fr);
  }
}

.page-products .pf-dup__text {
  min-width: 0;
}

.page-products .pf-media {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--line);
}

.page-products .pf-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.82) contrast(1.04);
}

.page-products .pf-media--wide {
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-products .pf-media .ig-media__cap {
  display: block;
  padding: 10px 12px 12px;
  font-size: var(--fs-12);
  line-height: 1.65;
  color: var(--mute-dark);
}

/* ---------- 两步路径 ---------- */
.page-products .pf-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

@media (min-width: 560px) {
  .page-products .pf-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .pf-steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-products .pf-steps__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: var(--fs-15);
  color: var(--cyan);
}

.page-products .pf-steps li div {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-products .pf-steps li strong {
  font-size: var(--fs-15);
  font-weight: 600;
  color: var(--paper);
}

.page-products .pf-steps li div span {
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--mute-dark);
}

/* ---------- 数据小卡 ---------- */
.page-products .pf-meter {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin-top: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--cyan);
}

.page-products .pf-meter .ig-num--xl {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1;
}

.page-products .pf-meter__unit {
  font-size: var(--fs-15);
  color: var(--mute-dark);
}

.page-products .pf-block .pf-meter__cap {
  flex: 1 1 100%;
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mute-dark);
}

/* ---------- 搜索演示条 ---------- */
.page-products .pf-searchdemo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 14px 18px;
  background: var(--ink-900);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
}

.page-products .pf-searchdemo__field {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-15);
  color: var(--paper);
}

.page-products .pf-searchdemo__cursor {
  display: inline-block;
  width: 2px;
  height: 18px;
  background: var(--cyan);
  animation: pf-blink 1.2s steps(2, start) infinite;
}

@keyframes pf-blink {
  50% { opacity: 0; }
}

.page-products .pf-searchdemo__arrow {
  color: var(--cyan);
}

.page-products .pf-searchdemo__out {
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: var(--ink-700);
  color: var(--cyan-soft);
  font-size: var(--fs-13);
}

/* ---------- 横向比分条 ---------- */
.page-products .pf-band {
  position: relative;
  margin-top: clamp(16px, 2.2vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(105deg, rgba(7, 19, 15, .94), rgba(7, 19, 15, .58) 52%, rgba(7, 19, 15, .93));
}

.page-products .pf-band__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
}

.page-products .pf-band__inner {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
  padding: clamp(24px, 3.6vw, 44px);
}

@media (min-width: 860px) {
  .page-products .pf-band__inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-products .pf-band__item {
  min-width: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line-strong);
}

.page-products .pf-band__item .ig-num {
  display: block;
  font-size: clamp(1.75rem, 3.8vw, 2.75rem);
  line-height: 1;
}

.page-products .pf-band__item p {
  margin: 8px 0 0;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--mute-dark);
}

/* ---------- 纸面区块 ---------- */
.page-products .pf-block--paper {
  background: var(--paper);
  border-color: var(--line-paper);
  color: var(--ink-800);
}

.page-products .pf-block--paper .ig-h2,
.page-products .pf-block--paper .ig-h3 {
  color: var(--ink-900);
}

.page-products .pf-block--paper .pf-kicker {
  color: var(--score-deep);
}

.page-products .pf-block--paper .pf-kicker::before {
  background: var(--score-deep);
}

.page-products .pf-block--paper .pf-text {
  color: var(--ink-800);
}

.page-products .pf-block--paper .ig-link {
  color: var(--cyan-deep);
}

.page-products .pf-block--paper .ig-num--score {
  color: var(--score-deep);
}

.page-products .pf-block--paper .pf-meter {
  border-left-color: var(--score-deep);
}

.page-products .pf-block--paper .pf-meter__unit,
.page-products .pf-block--paper .pf-meter__cap {
  color: var(--mute-paper);
}

.page-products .pf-block--paper .pf-media {
  background: var(--paper-2);
  border-color: var(--line-paper);
}

.page-products .pf-block--paper .pf-media .ig-media__cap {
  color: var(--mute-paper);
}

/* ---------- 资料库数据展示 ---------- */
.page-products .pf-data {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 30px);
  margin-top: clamp(20px, 2.8vw, 30px);
}

@media (min-width: 700px) {
  .page-products .pf-data {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: center;
  }
}

.page-products .pf-data__ring {
  margin: 0;
}

.page-products .pf-data__ring svg {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
}

.page-products .pf-donut__v {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  fill: var(--ink-900);
}

.page-products .pf-donut__k {
  font-family: var(--font-sans);
  font-size: 11px;
  fill: var(--mute-paper);
}

.page-products .pf-data__ring figcaption {
  margin-top: 10px;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mute-paper);
}

.page-products .pf-data__bars {
  min-width: 0;
}

.page-products .pf-data__cap {
  margin: 0;
  font-size: var(--fs-13);
  color: var(--mute-paper);
}

.page-products .pf-bars {
  list-style: none;
  margin: 10px 0 0;
  padding: 24px 0 0;
  display: grid;
  gap: 16px;
}

.page-products .pf-bar {
  position: relative;
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 10px;
}

@media (min-width: 460px) {
  .page-products .pf-bar {
    grid-template-columns: 86px minmax(0, 1fr) 52px;
  }
}

.page-products .pf-bar__label {
  font-size: var(--fs-12);
  color: var(--mute-paper);
}

.page-products .pf-bar__track {
  display: block;
  height: 10px;
  border-radius: var(--r-pill);
  background: rgba(14, 42, 34, .14);
  overflow: hidden;
}

.page-products .pf-bar__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--cyan-deep);
  transition: width .4s var(--ease);
}

.page-products .pf-bar__fill--alt {
  background: var(--score-deep);
}

.page-products .pf-bar__val {
  font-size: var(--fs-13);
  color: var(--ink-900);
  text-align: right;
}

.page-products .pf-bar__tip {
  position: absolute;
  left: 74px;
  top: 0;
  transform: translateY(-135%);
  padding: 5px 10px;
  border-radius: var(--r-xs);
  background: var(--ink-900);
  color: var(--paper);
  font-size: var(--fs-12);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s var(--ease);
}

.page-products .pf-bar:hover .pf-bar__tip,
.page-products .pf-bar:focus .pf-bar__tip,
.page-products .pf-bar:focus-within .pf-bar__tip {
  opacity: 1;
}

/* ---------- 机型适配列表 ---------- */
.page-products .pf-specs {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

@media (min-width: 560px) {
  .page-products .pf-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pf-specs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pf-specs li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  padding: 12px 14px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

.page-products .pf-specs li .ig-num {
  font-size: var(--fs-15);
  color: var(--cyan);
}

.page-products .pf-specs li span:last-child {
  font-size: var(--fs-12);
  color: var(--mute-dark);
}

/* ---------- 开始使用 ---------- */
.page-products .pf-block--accent {
  background: linear-gradient(160deg, var(--ink-700), var(--ink-800) 62%);
  border-color: var(--line-strong);
}

.page-products .pf-start {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 820px) {
  .page-products .pf-start {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .pf-start li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  min-width: 0;
}

.page-products .pf-start__num {
  flex: 0 0 auto;
  font-size: var(--fs-22);
  line-height: 1;
  color: var(--cyan);
}

.page-products .pf-start li div {
  min-width: 0;
}

.page-products .pf-start .ig-h3 {
  margin: 0;
  color: var(--paper);
}

.page-products .pf-start p {
  margin: 8px 0 0;
  font-size: var(--fs-13);
  line-height: 1.78;
  color: var(--mute-dark);
}

.page-products .pf-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 36px);
  padding-top: clamp(20px, 2.4vw, 28px);
  border-top: 1px solid var(--line);
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pf-feature,
  .page-products .pf-bar__fill,
  .page-products .pf-index .ig-index__link,
  .page-products .pf-bar__tip {
    transition: none;
  }

  .page-products .pf-searchdemo__cursor {
    animation: none;
  }

  .page-products .pf-feature:hover {
    transform: none;
  }
}