/* ============================================================
   page-products · 功能与客户端
   作用域：.page-products
   ============================================================ */

.page-products {
  --pp-line: rgba(10, 26, 51, 0.16);
  --pp-line-soft: rgba(10, 26, 51, 0.09);
  --pp-gap: clamp(16px, 2.4vw, 26px);
  --pp-gap-lg: clamp(32px, 5vw, 64px);
  --pp-radius: 2px;
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--paper-lite);
  border-bottom: 4px solid var(--lava);
}

.page-products .pp-hero__bg {
  position: absolute;
  inset: 0;
}

.page-products .pp-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% 42%;
}

.page-products .pp-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    202deg,
    rgba(5, 13, 28, 0.95) 0%,
    rgba(10, 26, 51, 0.85) 46%,
    rgba(185, 59, 12, 0.56) 100%
  );
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 3vw, 36px);
  padding-bottom: clamp(38px, 6vw, 76px);
}

.page-products .pp-hero .bd-breadcrumb {
  color: var(--mist);
}

.page-products .pp-hero .bd-breadcrumb a {
  color: var(--paper-lite);
  text-decoration-color: var(--lava);
}

.page-products .pp-hero .bd-h1 {
  color: var(--paper-lite);
  margin-top: 10px;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--pp-gap-lg);
  margin-top: clamp(22px, 4vw, 44px);
}

.page-products .pp-hero__copy .bd-lead {
  margin-top: 14px;
  color: rgba(243, 235, 221, 0.88);
}

.page-products .pp-hero__copy .bd-actions {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-products .pp-hero__panel {
  align-self: start;
  padding: 20px 20px 22px;
  background: rgba(5, 13, 28, 0.86);
  border: 2px solid rgba(255, 252, 246, 0.2);
  border-top: 4px solid var(--lava);
  border-radius: var(--pp-radius);
  box-shadow: 8px 8px 0 rgba(255, 90, 31, 0.22);
}

.page-products .pp-hero__panel-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-products .pp-hero__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  padding: 10px 0 14px;
  border-bottom: 1px dashed rgba(255, 252, 246, 0.18);
}

.page-products .pp-hero__num {
  font-size: var(--fs-44);
  line-height: 1;
  color: var(--signal);
}

.page-products .pp-hero__unit {
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pp-hero__sep {
  font-family: var(--font-mono);
  color: var(--mist);
  opacity: 0.6;
}

.page-products .pp-hero__points {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-hero__points li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: rgba(243, 235, 221, 0.86);
}

.page-products .pp-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 章节头部 ---------- */
.page-products .pp-head {
  max-width: 66ch;
  margin-bottom: var(--pp-gap-lg);
}

.page-products .pp-head .bd-h2 {
  margin: 10px 0 0;
}

.page-products .pp-head .bd-lead {
  margin-top: 14px;
}

.page-products .pp-head a {
  color: var(--lava-deep);
  text-decoration-color: var(--lava);
  text-underline-offset: 3px;
}

/* ---------- 深色区块 ---------- */
.page-products .pp-dark {
  background: var(--ink);
  color: var(--paper);
  border-top: 2px solid var(--ink-deep);
  border-bottom: 2px solid var(--ink-deep);
}

.page-products .pp-dark .bd-h2 {
  color: var(--paper-lite);
}

.page-products .pp-dark .bd-lead {
  color: rgba(243, 235, 221, 0.86);
}

/* ---------- 主客场页 ---------- */
.page-products .pp-matchup {
  background: var(--paper);
}

.page-products .pp-matchup__grid {
  display: grid;
  gap: var(--pp-gap-lg);
}

.page-products .pp-matchup__figure {
  margin: 0;
}

.page-products .pp-sequence {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: ppseq;
  display: grid;
  gap: 14px;
}

.page-products .pp-sequence li {
  position: relative;
  counter-increment: ppseq;
  padding: 18px 18px 18px 58px;
  background: var(--paper-lite);
  border: 2px solid var(--ink);
  border-radius: var(--pp-radius);
  box-shadow: 4px 4px 0 var(--pp-line);
  font-size: var(--fs-17);
  line-height: 1.72;
}

.page-products .pp-sequence li strong {
  color: var(--ink);
}

.page-products .pp-sequence li::before {
  content: "0" counter(ppseq);
  position: absolute;
  left: 14px;
  top: 18px;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-12);
  color: var(--paper-lite);
  background: var(--ink);
  border-radius: var(--pp-radius);
}

.page-products .pp-matchup__note {
  margin: 20px 0 0;
  font-size: var(--fs-14);
  line-height: 1.75;
}

.page-products .pp-matchup__note a {
  color: var(--lava-deep);
  text-underline-offset: 3px;
}

/* ---------- 战报流 ---------- */
.page-products .pp-fields {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-field {
  padding: 20px 18px;
  background: rgba(255, 252, 246, 0.05);
  border: 2px solid rgba(243, 235, 221, 0.22);
  border-left: 4px solid var(--lava);
  border-radius: var(--pp-radius);
}

.page-products .pp-field__idx {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-products .pp-field__t {
  margin: 0 0 10px;
  font-size: var(--fs-17);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper-lite);
}

.page-products .pp-field p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: rgba(243, 235, 221, 0.82);
}

.page-products .pp-flow__foot {
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding-left: 18px;
  border-left: 4px solid var(--signal);
  font-size: var(--fs-17);
  line-height: 1.7;
  color: rgba(243, 235, 221, 0.9);
}

/* ---------- 数据面板 ---------- */
.page-products .pp-datapanel {
  background: var(--paper);
}

.page-products .pp-wide-figure {
  margin: 0;
}

.page-products .pp-cols2 {
  display: grid;
  gap: var(--pp-gap-lg);
  margin-top: var(--pp-gap-lg);
}

.page-products .pp-note h3 {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products .pp-note p {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.78;
}

/* ---------- V4 能力清单 ---------- */
.page-products .pp-caps {
  background: var(--paper);
}

.page-products .pp-caps .pp-wide-figure {
  margin-bottom: var(--pp-gap-lg);
}

.page-products .pp-cap-grid {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-cap {
  padding: 22px 20px 20px;
  background: var(--paper-lite);
  border: 2px solid var(--ink);
  border-radius: var(--pp-radius);
  box-shadow: 5px 5px 0 var(--pp-line);
  transition: transform var(--t) linear, box-shadow var(--t) linear;
}

.page-products .pp-cap:hover,
.page-products .pp-cap:focus-within {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(10, 26, 51, 0.22);
}

.page-products .pp-cap__ico {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  color: var(--lava-deep);
  background: rgba(255, 90, 31, 0.1);
  border: 2px solid var(--lava);
  border-radius: var(--pp-radius);
  transition: transform var(--t) linear;
}

.page-products .pp-cap:hover .pp-cap__ico {
  transform: translateX(3px);
}

.page-products .pp-cap h3 {
  margin: 0 0 10px;
  color: var(--ink);
}

.page-products .pp-cap p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
}

/* ---------- 版本对照 ---------- */
.page-products .pp-versions-block {
  background: var(--paper-lite);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-products .pp-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--paper-lite);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-products .pp-versions {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: var(--fs-14);
}

.page-products .pp-versions caption {
  caption-side: top;
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--graphite);
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
}

.page-products .pp-versions th,
.page-products .pp-versions td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .pp-versions thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--paper-lite);
  background: var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-products .pp-versions tbody th {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-17);
  color: var(--lava-deep);
  white-space: nowrap;
}

.page-products .pp-versions tbody tr:nth-child(even) {
  background: rgba(243, 235, 221, 0.5);
}

.page-products .pp-versions tbody tr:last-child th,
.page-products .pp-versions tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 阅读场景 ---------- */
.page-products .pp-scene-layout {
  display: grid;
  gap: var(--pp-gap-lg);
}

.page-products .pp-scene-figure {
  margin: 0;
}

.page-products .pp-scene-list {
  display: grid;
  gap: var(--pp-gap);
}

.page-products .pp-scene {
  padding: 20px 18px;
  background: rgba(255, 252, 246, 0.04);
  border: 2px solid rgba(243, 235, 221, 0.2);
  border-top: 3px solid var(--cyan);
  border-radius: var(--pp-radius);
}

.page-products .pp-scene__t {
  margin: 12px 0 10px;
  font-size: var(--fs-17);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper-lite);
}

.page-products .pp-scene p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(243, 235, 221, 0.84);
}

/* ---------- 三步进入 ---------- */
.page-products .pp-start {
  background: var(--paper);
}

.page-products .pp-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .pp-path__step {
  position: relative;
  padding: 22px 20px 22px 62px;
  background: var(--paper-lite);
  border: 2px solid var(--ink);
  border-top: 0;
}

.page-products .pp-path__step:first-child {
  border-top: 2px solid var(--ink);
}

.page-products .pp-path__num {
  position: absolute;
  left: 18px;
  top: 24px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-17);
  color: var(--lava);
}

.page-products .pp-path__t {
  margin: 0 0 8px;
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-path__step p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
}

.page-products .pp-start__foot {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 4px solid var(--signal);
  font-size: var(--fs-17);
  line-height: 1.72;
}

.page-products .pp-start__foot a {
  color: var(--lava-deep);
  text-underline-offset: 3px;
}

/* ---------- 配置与答疑 ---------- */
.page-products .pp-faq {
  background: var(--paper);
}

.page-products .pp-faq-list {
  display: grid;
  gap: 14px;
}

.page-products .pp-faq-item {
  background: var(--paper-lite);
  border: 2px solid var(--ink);
  border-radius: var(--pp-radius);
  box-shadow: 4px 4px 0 var(--pp-line);
}

.page-products .pp-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--ink);
}

.page-products .pp-faq-item summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  line-height: 1;
  color: var(--lava);
}

.page-products .pp-faq-item[open] summary {
  border-bottom: 2px solid var(--pp-line);
}

.page-products .pp-faq-item[open] summary::after {
  content: "−";
}

.page-products .pp-faq-body {
  padding: 16px 18px 20px;
}

.page-products .pp-faq-body p {
  margin: 0;
  font-size: var(--fs-17);
  line-height: 1.75;
}

/* ---------- 收束 ---------- */
.page-products .pp-final {
  background: var(--ink-deep);
  color: var(--paper);
  border-top: 4px solid var(--lava);
}

.page-products .pp-final .bd-h2 {
  color: var(--paper-lite);
}

.page-products .pp-final__inner {
  display: grid;
  gap: var(--pp-gap-lg);
}

.page-products .pp-final__copy p {
  margin: 14px 0 0;
  font-size: var(--fs-17);
  line-height: 1.78;
  color: rgba(243, 235, 221, 0.86);
}

.page-products .pp-final__copy a {
  color: var(--signal);
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-fields {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
    align-items: start;
    gap: clamp(36px, 5vw, 72px);
  }

  .page-products .pp-matchup__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .pp-cols2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-scene-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .pp-final__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-cap-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-path {
    grid-auto-flow: column;
    grid-auto-columns: 1fr;
  }

  .page-products .pp-path__step {
    border-top: 2px solid var(--ink);
    border-left: 0;
  }

  .page-products .pp-path__step:first-child {
    border-left: 2px solid var(--ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cap,
  .page-products .pp-cap__ico {
    transition: none;
  }

  .page-products .pp-cap:hover,
  .page-products .pp-cap:focus-within {
    transform: none;
    box-shadow: 5px 5px 0 var(--pp-line);
  }

  .page-products .pp-cap:hover .pp-cap__ico {
    transform: none;
  }
}