/* ===== 功能中心 page-products 专属样式 ===== */

.page-products {
  --fx-panel: rgba(18, 26, 42, .92);
  --fx-alert: rgba(255, 77, 109, .85);
  position: relative;
}

.page-products .section {
  position: relative;
}

.page-products .fx-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--silver);
  margin: 14px 0 0;
  max-width: 17ch;
}

.page-products .fx-title-ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.42em;
  letter-spacing: 0.02em;
  color: var(--lime);
  border: 1px solid rgba(180, 255, 58, .45);
  background: rgba(180, 255, 58, .08);
  padding: 5px 9px;
  margin-left: .22em;
  vertical-align: middle;
  white-space: nowrap;
  border-radius: var(--r);
}

/* ---------- 首屏 ---------- */
.page-products .fx-intro {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding-top: clamp(22px, 3.6vw, 40px);
  padding-bottom: clamp(32px, 5vw, 58px);
}

.page-products .fx-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(114deg, transparent 60%, rgba(0, 102, 255, .13) 60%, rgba(0, 102, 255, .13) 66%, transparent 66%),
    linear-gradient(114deg, transparent 70%, rgba(180, 255, 58, .09) 70%, rgba(180, 255, 58, .09) 73%, transparent 73%),
    linear-gradient(114deg, transparent 78%, rgba(0, 224, 198, .07) 78%, rgba(0, 224, 198, .07) 80%, transparent 80%);
}

.page-products .fx-intro .shell {
  position: relative;
  z-index: 1;
}

.page-products .fx-lead {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--silver);
}

.page-products .fx-statstrip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(26px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .fx-stat {
  background: var(--ink);
  padding: 16px 18px 18px;
  position: relative;
}

.page-products .fx-stat::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: 0;
  width: 26px;
  height: 2px;
  background: var(--blue);
}

.page-products .fx-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--lime);
}

.page-products .fx-stat-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 导航结构总览 ---------- */
.page-products .fx-overview .figure {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
}

.page-products .fx-entrances {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(22px, 3.4vw, 32px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .fx-ent {
  background: var(--ink-2);
  padding: 20px 20px 22px;
  position: relative;
  transition: background 150ms var(--ease), transform 150ms var(--ease);
}

.page-products .fx-ent:hover {
  background: #162034;
  transform: translateY(-4px);
}

.page-products .fx-ent-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--blue-2);
}

.page-products .fx-ent-name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.015em;
  color: var(--silver);
}

.page-products .fx-ent-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 适配清单（浅色分区） ---------- */
.page-products .fx-adapt {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .fx-spec {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-products .fx-spec-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .fx-spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .fx-spec-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(11, 14, 20, .28);
  border-radius: var(--r);
  transition: background 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-products .fx-spec-chip:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.page-products #fx-dev-all:checked ~ .fx-spec-chips label[for="fx-dev-all"],
.page-products #fx-dev-ios:checked ~ .fx-spec-chips label[for="fx-dev-ios"],
.page-products #fx-dev-android:checked ~ .fx-spec-chips label[for="fx-dev-android"],
.page-products #fx-dev-web:checked ~ .fx-spec-chips label[for="fx-dev-web"] {
  background: var(--ink);
  color: var(--lime);
  border-color: var(--ink);
}

.page-products #fx-dev-all:focus-visible ~ .fx-spec-chips label[for="fx-dev-all"],
.page-products #fx-dev-ios:focus-visible ~ .fx-spec-chips label[for="fx-dev-ios"],
.page-products #fx-dev-android:focus-visible ~ .fx-spec-chips label[for="fx-dev-android"],
.page-products #fx-dev-web:focus-visible ~ .fx-spec-chips label[for="fx-dev-web"] {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .fx-spec-scroll {
  overflow-x: auto;
  border: 1px solid rgba(11, 14, 20, .18);
  background: #FFFFFF;
}

.page-products .fx-spec-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .fx-spec-cap {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--muted);
  background: rgba(11, 14, 20, .03);
  border-bottom: 1px solid rgba(11, 14, 20, .1);
}

.page-products .fx-spec-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink);
  padding: 12px 16px;
  background: rgba(0, 102, 255, .08);
  border-bottom: 1px solid rgba(11, 14, 20, .16);
  white-space: nowrap;
}

.page-products .fx-spec-table tbody th {
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  padding: 14px 16px;
  border-bottom: 1px solid rgba(11, 14, 20, .08);
  white-space: nowrap;
}

.page-products .fx-spec-table tbody td {
  padding: 14px 16px;
  color: #3A4457;
  border-bottom: 1px solid rgba(11, 14, 20, .08);
}

.page-products .fx-spec-table tbody tr:hover td,
.page-products .fx-spec-table tbody tr:hover th {
  background: rgba(0, 102, 255, .05);
}

.page-products #fx-dev-ios:checked ~ .fx-spec-scroll tbody tr:not([data-dev="ios"]),
.page-products #fx-dev-android:checked ~ .fx-spec-scroll tbody tr:not([data-dev="android"]),
.page-products #fx-dev-web:checked ~ .fx-spec-scroll tbody tr:not([data-dev="web"]) {
  display: none;
}

.page-products .fx-adapt .figure {
  margin: clamp(24px, 3.6vw, 36px) 0 0;
}

/* ---------- 分类折叠面板 ---------- */
.page-products .fx-cat-list {
  margin-top: clamp(22px, 3.4vw, 32px);
  border-top: 1px solid var(--line);
}

.page-products .fx-cat {
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background 150ms var(--ease);
}

.page-products .fx-cat[open] {
  background: rgba(18, 26, 42, .72);
}

.page-products .fx-cat summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  transition: padding 150ms var(--ease);
}

.page-products .fx-cat summary::-webkit-details-marker {
  display: none;
}

.page-products .fx-cat summary::marker {
  content: "";
}

.page-products .fx-cat summary:hover .fx-cat-name {
  color: var(--lime);
}

.page-products .fx-cat summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-products .fx-cat[open] summary {
  padding-left: 14px;
  background: linear-gradient(90deg, rgba(0, 102, 255, .16), transparent 62%);
}

.page-products .fx-cat-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  width: 26px;
  flex: none;
}

.page-products .fx-cat-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 1.8vw, 19px);
  letter-spacing: -0.015em;
  color: var(--silver);
  flex: 1 1 auto;
  transition: color 150ms var(--ease);
}

.page-products .fx-cat[open] .fx-cat-name {
  color: var(--lime);
}

.page-products .fx-cat-body {
  padding: 0 4px 20px 40px;
}

.page-products .fx-cat-body p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .fx-cats .figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

/* ---------- 会员中心筛选 ---------- */
.page-products .fx-filter-grid {
  margin-top: clamp(22px, 3.4vw, 32px);
  align-items: start;
}

.page-products .fx-filter-note {
  background: var(--fx-panel);
  border: 1px solid var(--line);
  padding: 18px 18px 20px;
  border-radius: var(--r);
}

.page-products .fx-filter-presets {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .fx-filter-presets li {
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .fx-filter-presets li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .fx-filter-presets .data {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-products .fx-filter-presets li span:last-child {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  color: var(--muted);
}

.page-products .fx-filter-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: fxf;
}

.page-products .fx-filter-steps li {
  position: relative;
  padding: 0 0 22px 26px;
  border-left: 1px solid var(--line);
}

.page-products .fx-filter-steps li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-products .fx-filter-steps li::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 0;
}

.page-products .fx-filter-steps h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-products .fx-filter-steps p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 60ch;
}

.page-products .fx-filter .figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

/* ---------- 快速访问路径 ---------- */
.page-products .fx-steps {
  list-style: none;
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .fx-step {
  position: relative;
  background: var(--ink-2);
  padding: 22px 20px 24px;
  transition: transform 150ms var(--ease), background 150ms var(--ease);
}

.page-products .fx-step:hover {
  transform: translateY(-4px);
  background: #162034;
}

.page-products .fx-step::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 18px 18px 0;
  border-color: transparent var(--blue) transparent transparent;
}

.page-products .fx-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-products .fx-step-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--silver);
}

.page-products .fx-step p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .fx-path-tail {
  margin: clamp(22px, 3.2vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 66ch;
}

.page-products .fx-path-tail a,
.page-products .fx-outro a {
  color: var(--blue-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 148, 255, .4);
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-products .fx-path-tail a:hover,
.page-products .fx-outro a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 系统要求 ---------- */
.page-products .fx-req-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-products .fx-req-card {
  background: var(--fx-panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 20px 20px 22px;
  transition: transform 150ms var(--ease), border-color 150ms var(--ease);
}

.page-products .fx-req-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue);
}

.page-products .fx-req-name {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.015em;
  color: var(--silver);
}

.page-products .fx-req-list {
  margin: 16px 0 0;
  padding: 0;
}

.page-products .fx-req-list > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .fx-req-list > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .fx-req-list dt {
  font-size: 13px;
  color: var(--muted);
  flex: none;
}

.page-products .fx-req-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--silver);
  text-align: right;
}

/* ---------- 版本日志 ---------- */
.page-products .fx-log-list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0 0 0 18px;
  border-left: 1px solid var(--line-strong);
}

.page-products .fx-log-item {
  position: relative;
  padding: 0 0 26px 22px;
}

.page-products .fx-log-item:last-child {
  padding-bottom: 0;
}

.page-products .fx-log-item::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 2px solid var(--blue);
}

.page-products .fx-log-item--base::before {
  border-color: var(--lime);
  background: var(--lime);
}

.page-products .fx-log-ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--blue-2);
  border: 1px solid var(--line-strong);
  padding: 3px 8px;
  border-radius: var(--r);
}

.page-products .fx-log-item--base .fx-log-ver {
  color: var(--lime);
  border-color: rgba(180, 255, 58, .45);
}

.page-products .fx-log-body h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 1.9vw, 20px);
  letter-spacing: -0.018em;
  color: var(--silver);
}

.page-products .fx-log-body p {
  margin: 9px 0 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .fx-log .figure {
  margin: clamp(28px, 4vw, 42px) 0 0;
}

.page-products .fx-outro {
  margin-top: clamp(26px, 4vw, 38px);
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  background: rgba(18, 26, 42, .7);
}

.page-products .fx-outro p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
  max-width: 74ch;
}

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

  .page-products .fx-req-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .fx-statstrip {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .fx-entrances {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .fx-steps {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-products .fx-title {
    max-width: 20ch;
  }
}

@media (min-width: 1080px) {
  .page-products .fx-entrances {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .fx-steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .fx-intro::before {
    background:
      linear-gradient(116deg, transparent 56%, rgba(0, 102, 255, .14) 56%, rgba(0, 102, 255, .14) 63%, transparent 63%),
      linear-gradient(116deg, transparent 68%, rgba(180, 255, 58, .1) 68%, rgba(180, 255, 58, .1) 71%, transparent 71%),
      linear-gradient(116deg, transparent 76%, rgba(0, 224, 198, .08) 76%, rgba(0, 224, 198, .08) 78%, transparent 78%);
  }
}

@media (max-width: 759px) {
  .page-products .fx-cat-body {
    padding-left: 4px;
  }

  .page-products .fx-filter-presets .data {
    font-size: 12.5px;
  }

  .page-products .fx-log-list {
    padding-left: 12px;
  }

  .page-products .fx-log-item {
    padding-left: 16px;
  }

  .page-products .fx-log-item::before {
    left: -18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fx-ent,
  .page-products .fx-step,
  .page-products .fx-req-card {
    transition: none;
  }

  .page-products .fx-ent:hover,
  .page-products .fx-step:hover,
  .page-products .fx-req-card:hover {
    transform: none;
  }
}