/* ===== 平台服务页 · page-products ===== */
.page-products {
  --pf-card-line: #262630;
  --pf-paper-line: #DCD7CF;
  --pf-ink-soft: #4C4C58;
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.8;
  overflow-x: hidden;
}

.page-products .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

/* ---------- 区块骨架 ---------- */
.page-products .pf-sec {
  position: relative;
  padding: clamp(52px, 6.5vw, 96px) 0;
}

.page-products .pf-sec--tight {
  padding: clamp(34px, 4vw, 60px) 0;
}

.page-products .pf-head {
  max-width: 760px;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-products .pf-head__idx {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--red);
  text-transform: uppercase;
}

.page-products .pf-head__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-products .pf-head__sub {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-16);
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding: clamp(24px, 3.6vw, 52px) 0 clamp(40px, 5.5vw, 76px);
  position: relative;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  inset: -10% -20% auto 45%;
  height: 420px;
  background: radial-gradient(closest-side, var(--glow), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-products .pf-eyebrow {
  margin: 0 0 16px;
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pf-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-products .pf-highlight {
  border-bottom: 5px solid var(--red);
  padding-bottom: 3px;
}

.page-products .pf-hero__lead {
  margin: 0 0 28px;
  max-width: 46ch;
  color: var(--text);
  font-size: var(--fs-16);
  line-height: 1.9;
}

.page-products .pf-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero__snap {
  position: relative;
  padding: 24px 22px 20px;
  border: 1px solid var(--pf-card-line);
  border-radius: var(--r-sm);
  background: linear-gradient(158deg, rgba(232, 18, 60, 0.14), rgba(22, 22, 29, 0.94) 58%);
  overflow: hidden;
}

.page-products .pf-hero__snap::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 24px;
  height: 3px;
  background: var(--red);
}

.page-products .pf-snap__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products .pf-snap__ver {
  margin: 6px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 9vw, 72px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: #fff;
}

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

.page-products .pf-snap__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--pf-card-line);
  font-size: var(--fs-14);
}

.page-products .pf-snap__list span {
  color: var(--muted);
}

.page-products .pf-snap__list strong {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* ---------- 数据条 ---------- */
.page-products .pf-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--grid);
  border-left: 1px solid var(--grid);
}

.page-products .pf-strip__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 14px;
  border-right: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  min-width: 0;
}

.page-products .pf-strip__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-products .pf-strip__v {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: #fff;
  line-height: 1.25;
}

/* ---------- 能力矩阵 ---------- */
.page-products .pf-matrix {
  border-top: 1px solid var(--grid);
}

.page-products .pf-mrow {
  display: flex;
  gap: 14px;
  padding: 20px 14px;
  border-bottom: 1px solid var(--grid);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pf-mrow:hover,
.page-products .pf-mrow:focus-within,
.page-products .pf-mrow:focus {
  background: rgba(232, 18, 60, 0.06);
  box-shadow: inset 3px 0 0 var(--red);
  outline: none;
}

.page-products .pf-mrow__idx {
  flex: 0 0 auto;
  margin: 4px 0 0;
  font-size: var(--fs-12);
  color: var(--cyan);
  transition: color var(--dur) var(--ease);
}

.page-products .pf-mrow:hover .pf-mrow__idx,
.page-products .pf-mrow:focus .pf-mrow__idx {
  color: var(--red);
}

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

.page-products .pf-mrow__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: #fff;
}

.page-products .pf-mrow__sum {
  margin: 8px 0 0;
  color: var(--text);
  font-size: var(--fs-16);
  line-height: 1.78;
}

.page-products .pf-mrow__more {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: var(--fs-14);
  line-height: 1.75;
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin var(--dur) var(--ease);
}

.page-products .pf-mrow:hover .pf-mrow__more,
.page-products .pf-mrow:focus .pf-mrow__more {
  max-height: 140px;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 反色区块：V3 版专区 ---------- */
.page-products .pf-sec--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .pf-sec--paper::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--red-deep) 38%, var(--black) 100%);
}

.page-products .pf-sec--paper .pf-head__title {
  color: var(--ink);
}

.page-products .pf-sec--paper .pf-head__sub {
  color: var(--pf-ink-soft);
}

.page-products .pf-sec--paper .pf-head__idx {
  color: var(--red-deep);
}

.page-products .pf-media--paper {
  margin: 0 0 clamp(22px, 3vw, 36px);
  border: 1px solid var(--pf-paper-line);
  background: #fff;
}

.page-products .pf-ups {
  display: grid;
  gap: 1px;
  background: var(--pf-paper-line);
  border: 1px solid var(--pf-paper-line);
}

.page-products .pf-up {
  background: var(--paper);
  padding: 24px 20px 26px;
  position: relative;
}

.page-products .pf-up::after {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  width: 40px;
  height: 3px;
  background: var(--red);
}

.page-products .pf-up__idx {
  margin: 6px 0 12px;
  font-size: var(--fs-12);
  color: var(--red-deep);
}

.page-products .pf-up__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-products .pf-up__desc {
  margin: 0;
  color: var(--pf-ink-soft);
  font-size: var(--fs-16);
  line-height: 1.82;
}

/* ---------- 通用图片容器 ---------- */
.page-products .pf-media {
  margin: 0 0 clamp(22px, 3vw, 36px);
  overflow: hidden;
}

.page-products .pf-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-media--strip {
  margin: clamp(22px, 3vw, 36px) 0 0;
}

.page-products .pf-media--tall {
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

/* ---------- 大屏进入三路径 ---------- */
.page-products .pf-paths {
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .pf-path {
  background: var(--panel);
  padding: 26px 22px 28px;
  transition: background var(--dur) var(--ease);
}

.page-products .pf-path:hover {
  background: #1B1B24;
}

.page-products .pf-path__tag {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pf-path__name {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-28);
  letter-spacing: -0.02em;
  color: #fff;
}

.page-products .pf-path__fit {
  margin: 0 0 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--grid);
  color: var(--gold);
  font-size: var(--fs-14);
  line-height: 1.7;
}

.page-products .pf-steps {
  list-style: none;
  counter-reset: pfs;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .pf-steps li {
  counter-increment: pfs;
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text);
}

.page-products .pf-steps li:last-child {
  margin-bottom: 0;
}

.page-products .pf-steps li::before {
  content: counter(pfs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 网页端玩法模块 ---------- */
.page-products .pf-modules {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-products .pf-mods {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .pf-mod {
  background: var(--panel);
  padding: 18px 18px 20px;
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pf-mod:hover {
  border-left-color: var(--cyan);
  background: #1B1B24;
}

.page-products .pf-mod__idx {
  margin: 0 0 8px;
  font-size: var(--fs-12);
  color: var(--red);
  letter-spacing: 0.14em;
}

.page-products .pf-mod__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: #fff;
}

.page-products .pf-mod__desc {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-14);
  line-height: 1.78;
}

.page-products .pf-modules__media {
  margin: 0;
  border: 1px solid var(--grid);
  overflow: hidden;
}

.page-products .pf-modules__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 画面与操作适配 ---------- */
.page-products .pf-adapt {
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .pf-adapt__card {
  background: var(--black);
  padding: 24px 20px 26px;
}

.page-products .pf-adapt__k {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-products .pf-adapt__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: #fff;
}

.page-products .pf-adapt__card p:last-child {
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ---------- 服务路径技能树 ---------- */
.page-products .pf-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .pf-tree::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(180deg, var(--red), var(--cyan));
  opacity: 0.55;
}

.page-products .pf-node {
  position: relative;
  padding: 0 0 30px 42px;
}

.page-products .pf-node:last-child {
  padding-bottom: 0;
}

.page-products .pf-node::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 7px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(232, 18, 60, 0.18);
}

.page-products .pf-node__idx {
  margin: 0 0 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pf-node__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: #fff;
}

.page-products .pf-node__desc {
  margin: 0 0 10px;
  color: var(--text);
  font-size: var(--fs-16);
  line-height: 1.8;
}

.page-products .pf-note {
  border-top: 1px solid var(--grid);
  padding-top: 10px;
}

.page-products .pf-note summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--gold);
  list-style: none;
}

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

.page-products .pf-note summary::before {
  content: "+ ";
  color: var(--red);
}

.page-products .pf-note[open] summary::before {
  content: "− ";
}

.page-products .pf-note p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ---------- 选型建议 ---------- */
.page-products .pf-sec--last {
  border-top: 1px solid var(--grid);
}

.page-products .pf-picks {
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pf-pick {
  background: var(--panel);
  padding: 26px 22px 24px;
  border: 0;
  border-radius: 0;
  display: flex;
  flex-direction: column;
}

.page-products .pf-pick__k {
  margin: 0 0 12px;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pf-pick__name {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-products .pf-pick__desc {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: var(--fs-14);
  line-height: 1.82;
}

.page-products .pf-pick__link {
  margin-top: auto;
  align-self: flex-start;
  color: var(--red);
  font-size: var(--fs-14);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

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

.page-products .pf-next {
  border-left: 3px solid var(--red);
  padding: 4px 0 4px 20px;
}

.page-products .pf-next__text {
  margin: 0 0 18px;
  max-width: 62ch;
  color: var(--text);
  font-size: var(--fs-16);
  line-height: 1.85;
}

.page-products .pf-next__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 焦点可见性 ---------- */
.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products [tabindex]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pf-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-adapt {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-picks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(270px, 0.85fr);
  }
  .page-products .pf-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-products .pf-mrow {
    padding: 24px 20px;
    gap: 20px;
  }
  .page-products .pf-ups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pf-modules {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
  .page-products .pf-tree::before {
    left: 15px;
  }
  .page-products .pf-node {
    padding-left: 52px;
  }
  .page-products .pf-node::before {
    left: 9px;
  }
}

@media (min-width: 1180px) {
  .page-products .pf-modules {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: clamp(32px, 4vw, 56px);
  }
  .page-products .pf-mod {
    padding: 20px 22px 22px;
  }
}

/* 触屏设备：折叠说明直接展开 */
@media (hover: none) {
  .page-products .pf-mrow__more {
    max-height: none;
    opacity: 1;
    margin-top: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-hero::after {
    display: none;
  }
  .page-products .pf-mrow,
  .page-products .pf-mrow__more,
  .page-products .pf-mod,
  .page-products .pf-path,
  .page-products .pf-pick__link {
    transition: none;
  }
}
</style