/* ===== 功能中心 · 页面作用域 ===== */
.page-products {
  --fx-gap: 18px;
  --fx-r: 3px;
  --fx-mw: 1080px;
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-products .container {
  width: min(100% - 40px, var(--fx-mw));
  margin-inline: auto;
}

@media (min-width: 768px) {
  .page-products .container {
    width: min(100% - 64px, var(--fx-mw));
  }
}

/* 进场显现 */
@media (scripting: enabled) {
  .page-products [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .32s var(--ease), transform .32s var(--ease);
  }
  .page-products [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ---------- 首屏 ---------- */
.page-products .fx-hero {
  position: relative;
  padding: 24px 0 52px;
  background:
    radial-gradient(130% 90% at 100% 0%, rgba(34, 198, 216, .10), transparent 62%),
    linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-products .fx-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(115deg, rgba(214, 218, 224, .045) 0 1px, transparent 1px 15px);
  pointer-events: none;
}

.page-products .fx-hero > .container {
  position: relative;
  z-index: 1;
}

.page-products .fx-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-products .fx-hero-grid {
  display: grid;
  gap: 36px;
}

.page-products .fx-kicker {
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 14px;
}

.page-products .fx-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.2vw, 52px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 0 0 18px;
  max-width: 16ch;
}

.page-products .fx-lede {
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
  max-width: 40ch;
  margin: 0 0 26px;
}

.page-products .fx-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-products .fx-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: 480px;
}

.page-products .fx-stat {
  background: var(--ink-850);
  padding: 13px 15px 15px;
  min-width: 0;
}

.page-products .fx-stat-num {
  display: block;
  font-size: 21px;
  line-height: 1.15;
  color: var(--orange);
  letter-spacing: -.01em;
  margin-bottom: 6px;
}

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

/* 技能树视觉 */
.page-products .fx-tree-shell {
  position: relative;
  padding: 18px 12px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-700) 0%, var(--ink-850) 100%);
}

.page-products .fx-tree-shell::before,
.page-products .fx-tree-shell::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--orange);
  pointer-events: none;
}

.page-products .fx-tree-shell::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .fx-tree-shell::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-products .fx-tree {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 940px) {
  .page-products .fx-hero {
    padding: 34px 0 68px;
  }
  .page-products .fx-hero-grid {
    grid-template-columns: 6fr 5fr;
    gap: 52px;
    align-items: center;
  }
  .page-products .fx-tree-shell {
    padding: 26px 20px;
  }
}

/* ---------- 章节标题 ---------- */
.page-products .fx-head {
  margin-bottom: 28px;
  max-width: 62ch;
}

.page-products .fx-head-idx {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--orange);
  margin: 0 0 10px;
}

.page-products .fx-head-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 4.4vw, 32px);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: 0 0 12px;
}

.page-products .fx-head-sub {
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
  margin: 0;
}

/* ---------- 四支线标签区 ---------- */
.page-products .fx-branches {
  padding: 52px 0 56px;
  background: var(--ink-900);
}

.page-products .fx-tablist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .fx-tab {
  appearance: none;
  border: 0;
  margin: 0;
  background: var(--ink-700);
  color: var(--text);
  font-family: inherit;
  text-align: left;
  padding: 15px 14px 17px;
  cursor: pointer;
  position: relative;
  min-width: 0;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-products .fx-tab:hover {
  background: var(--panel);
}

.page-products .fx-tab[aria-selected="true"] {
  background: var(--ink-850);
  color: var(--paper);
}

.page-products .fx-tab[aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: var(--orange);
}

.page-products .fx-tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-products .fx-tab-idx {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mid);
  margin-bottom: 7px;
}

.page-products .fx-tab[aria-selected="true"] .fx-tab-idx {
  color: var(--orange);
}

.page-products .fx-tab-label {
  display: block;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 5px;
}

.page-products .fx-tab-hint {
  display: block;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--muted);
}

.page-products .fx-panels {
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--ink-850);
  padding: 24px 16px 28px;
}

.page-products .fx-panel[hidden] {
  display: none;
}

.page-products .fx-panel {
  display: grid;
  gap: 26px;
}

.page-products .fx-panel-lede {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
  max-width: 44ch;
  margin: 0 0 24px;
}

@media (min-width: 768px) {
  .page-products .fx-tablist {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .fx-tab {
    padding: 18px 18px 20px;
  }
  .page-products .fx-panels {
    padding: 34px 32px 38px;
  }
}

@media (min-width: 1000px) {
  .page-products .fx-panel {
    grid-template-columns: minmax(0, 1fr) minmax(250px, 310px);
    gap: 42px;
    align-items: start;
  }
  .page-products .fx-panel--stack {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

/* 步骤 */
.page-products .fx-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .fx-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0 12px;
  padding: 17px 0 18px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .fx-step-num {
  grid-row: 1 / span 2;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
  padding-top: 3px;
}

.page-products .fx-step h3 {
  grid-column: 2;
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.4;
}

.page-products .fx-step p {
  grid-column: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
  max-width: 42ch;
}

/* 要点列表 */
.page-products .fx-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 15px;
}

.page-products .fx-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text);
  max-width: 48ch;
}

.page-products .fx-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-products .fx-points strong {
  display: block;
  color: var(--paper);
  font-weight: 700;
  margin-bottom: 3px;
}

/* 复盘说明 */
.page-products .fx-note-row {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .fx-note {
  background: var(--panel);
  padding: 18px 16px 20px;
}

.page-products .fx-note-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  padding-left: 12px;
  position: relative;
}

.page-products .fx-note-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.page-products .fx-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-products .fx-note-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 费用表 */
.page-products .fx-table-scroll {
  margin-top: 26px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .fx-fee-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .fx-fee-table caption {
  text-align: left;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--muted);
  padding-bottom: 12px;
}

.page-products .fx-fee-table th,
.page-products .fx-fee-table td {
  border: 1px solid var(--line);
  padding: 11px 13px;
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.page-products .fx-fee-table thead th {
  background: var(--ink-700);
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}

.page-products .fx-fee-table tbody td {
  color: var(--text);
}

.page-products .fx-fee-table tbody tr:nth-child(even) td {
  background: rgba(214, 218, 224, .028);
}

.page-products .fx-fee-table tbody td:first-child {
  color: var(--paper);
  font-weight: 700;
  white-space: nowrap;
}

/* 图片容器 */
.page-products .fx-figure {
  margin: 0;
  padding: 6px;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-products .fx-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 提醒 ---------- */
.page-products .fx-section {
  padding: 52px 0 56px;
  border-top: 1px solid var(--line);
}

.page-products .fx-remind {
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-850) 100%);
}

.page-products .fx-remind-grid {
  display: grid;
  gap: 16px;
}

.page-products .fx-remind-card {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-700);
  padding: 24px 18px 24px;
}

.page-products .fx-remind-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
}

.page-products .fx-remind-card--orange::before {
  background: var(--orange);
}

.page-products .fx-remind-card--gold::before {
  background: var(--gold);
}

.page-products .fx-remind-tag {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  margin: 0 0 10px;
}

.page-products .fx-remind-card--gold .fx-remind-tag {
  color: var(--gold);
}

.page-products .fx-remind-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .fx-remind-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text);
  max-width: 42ch;
}

.page-products .fx-remind-figure {
  background: var(--ink-850);
}

@media (min-width: 900px) {
  .page-products .fx-remind-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .page-products .fx-remind-figure {
    grid-column: 1 / -1;
  }
  .page-products .fx-remind-card {
    padding: 26px 24px 28px;
  }
}

/* ---------- 版本演进 ---------- */
.page-products .fx-version {
  background: var(--ink-900);
}

.page-products .fx-timeline {
  list-style: none;
  margin: 0 0 34px;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line);
}

.page-products .fx-milestone {
  position: relative;
  padding: 0 0 26px 0;
}

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

.page-products .fx-milestone::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--line);
}

.page-products .fx-milestone--current::before {
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, .16);
}

.page-products .fx-ms-ver {
  display: block;
  font-size: 15px;
  letter-spacing: .08em;
  color: var(--orange);
  margin-bottom: 6px;
}

.page-products .fx-ms-name {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .fx-ms-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 40ch;
}

.page-products .fx-version-figure {
  margin-bottom: 34px;
  background: var(--ink-850);
}

.page-products .fx-device {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 22px 18px 24px;
}

.page-products .fx-device-title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-products .fx-device-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .fx-device-list li {
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-products .fx-device-k {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .fx-device-v {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
  max-width: 46ch;
}

@media (min-width: 860px) {
  .page-products .fx-timeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
    padding: 26px 0 0;
    border-left: 0;
    border-top: 2px solid var(--line);
    margin-bottom: 40px;
  }
  .page-products .fx-milestone {
    padding: 0;
  }
  .page-products .fx-milestone::before {
    left: 0;
    top: -34px;
  }
  .page-products .fx-device-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-products .fx-device-list li {
    padding-bottom: 0;
    border-bottom: 0;
  }
}

/* ---------- 下一步 ---------- */
.page-products .fx-next {
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  padding-bottom: 68px;
}

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

.page-products .fx-next-card {
  display: block;
  background: var(--ink-700);
  padding: 22px 18px 24px;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: background .22s var(--ease);
}

.page-products .fx-next-card:hover,
.page-products .fx-next-card:focus-visible {
  background: var(--panel);
}

.page-products .fx-next-card:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-products .fx-next-card::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .24s var(--ease);
}

.page-products .fx-next-card:hover::after,
.page-products .fx-next-card:focus-visible::after {
  transform: scaleX(1);
}

.page-products .fx-next-k {
  display: block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-products .fx-next-t {
  display: block;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
}

@media (min-width: 860px) {
  .page-products .fx-next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .fx-next-card {
    padding: 26px 24px 30px;
  }
  .page-products .fx-next-card::after {
    left: 0;
    right: 0;
  }
}

/* 窄屏细化 */
@media (max-width: 380px) {
  .page-products .fx-hero h1 {
    font-size: 27px;
  }
  .page-products .fx-tab {
    padding: 13px 12px 15px;
  }
  .page-products .fx-tab-label {
    font-size: 14.5px;
  }
  .page-products .fx-step {
    grid-template-columns: 34px minmax(0, 1fr);
  }
}