/* ================= 版本与工具中心 · 页面专属样式 ================= */
.page-products {
  --pp-line: rgba(30, 58, 95, 0.85);
  --pp-edge: rgba(47, 240, 208, 0.42);
  --pp-panel: linear-gradient(180deg, rgba(18, 42, 74, 0.92), rgba(10, 23, 48, 0.96));
  --pp-pad: 20px;
  position: relative;
  overflow-x: clip;
  padding-bottom: 32px;
}

.page-products .prod-hero {
  position: relative;
  padding-top: 28px;
  overflow: clip;
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: 82%;
  height: 165%;
  background: linear-gradient(122deg, rgba(47, 240, 208, 0.15), rgba(47, 240, 208, 0) 62%);
  clip-path: polygon(42% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -18%;
  width: 46%;
  height: 70%;
  background: radial-gradient(circle at center, rgba(255, 122, 47, 0.12), rgba(255, 122, 47, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.page-products .crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: 26px;
}

.page-products .prod-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 30px;
  border-top: 1px solid var(--pp-line);
}

.page-products .prod-hero__lead {
  max-width: 42ch;
}

.page-products .prod-hero__lead h1 {
  margin: 14px 0 18px;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  font-weight: 900;
  max-width: 17ch;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-hero__panel {
  align-self: end;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  background: var(--pp-panel);
  padding: 20px var(--pp-pad) 22px;
}

.page-products .hero-facts {
  list-style: none;
  margin: 16px 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .hero-facts li {
  background: var(--deep);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .hero-facts__num {
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-products .hero-facts__label {
  font-size: var(--fs-1);
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 通用小标题区 ---------- */
.page-products .prod-head {
  max-width: 800px;
  margin-bottom: 26px;
}

.page-products .prod-head h2 {
  margin: 12px 0 14px;
}

/* ---------- 档位切换条 ---------- */
.page-products .tier-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
}

.page-products .tier-chips .chip {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 20px;
  text-decoration: none;
  font-weight: 700;
  font-size: var(--fs-2);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .tier-chips .chip:hover,
.page-products .tier-chips .chip:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--void);
}

/* ---------- 档位对照主体 ---------- */
.page-products .tier-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-products .tier-panels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .tier {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 18px 20px;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: var(--pp-panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .tier::before {
  content: "";
  position: absolute;
  inset: auto 18px -1px 18px;
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--grid);
}

.page-products .tier:hover {
  border-color: var(--pp-edge);
  transform: translateY(-3px);
}

.page-products .tier--pro {
  border-color: rgba(47, 240, 208, 0.5);
  background: linear-gradient(180deg, rgba(47, 240, 208, 0.13), rgba(10, 23, 48, 0.96));
}

.page-products .tier--pro::before {
  background: var(--accent);
}

.page-products .tier--group::before {
  background: var(--orange);
}

.page-products .tier__name {
  margin: 0;
  font-size: var(--fs-3);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .tier__flag {
  font-size: var(--fs-1);
  font-weight: 500;
  letter-spacing: 0;
  color: var(--void);
  background: var(--accent);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}

.page-products .tier__price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-size: clamp(38px, 9vw, 64px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-products .tier--pro .tier__price {
  color: var(--accent);
}

.page-products .tier__price--quote {
  font-size: clamp(26px, 6.4vw, 38px);
  color: var(--orange);
}

.page-products .tier__unit {
  font-family: var(--font-sans);
  font-size: var(--fs-2);
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-dim);
}

.page-products .tier__desc {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .tier__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--pp-line);
  opacity: 0.68;
  transition: opacity var(--dur) var(--ease);
}

@media (hover: hover) {
  .page-products .tier:hover .tier__tags,
  .page-products .tier:focus-within .tier__tags {
    opacity: 1;
  }
}

.page-products .tier-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--deep);
}

.page-products .tier-visual__media {
  height: 100%;
  margin: 0;
  border-radius: 0;
}

.page-products .tier-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 对照表 ---------- */
.page-products .tier-table-wrap {
  margin: 0;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: var(--deep);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.page-products .tier-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-2);
}

.page-products .tier-table caption {
  padding: 14px 16px 12px;
  text-align: left;
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--pp-line);
}

.page-products .tier-table thead th {
  background: var(--track);
  color: var(--text);
  font-size: var(--fs-2);
  font-weight: 700;
  text-align: left;
  padding: 12px 14px;
  white-space: nowrap;
}

.page-products .tier-table tbody th {
  font-weight: 500;
  text-align: left;
  color: var(--text-dim);
  padding: 13px 14px;
  white-space: nowrap;
}

.page-products .tier-table tbody td {
  padding: 13px 14px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  line-height: 1.55;
}

.page-products .tier-table tbody tr {
  border-top: 1px solid var(--pp-line);
  background: rgba(18, 42, 74, 0.18);
  transition: background var(--dur) var(--ease);
}

.page-products .tier-table tbody tr:nth-child(even) {
  background: rgba(18, 42, 74, 0.34);
}

.page-products .tier-table tbody tr:hover,
.page-products .tier-table tbody tr:target {
  background: rgba(47, 240, 208, 0.08);
}

.page-products .tier-table tbody tr:hover th,
.page-products .tier-table tbody tr:target th {
  box-shadow: inset 2px 0 0 var(--accent);
  color: var(--accent-soft);
}

.page-products .tier-table-wrap figcaption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--pp-line);
  font-size: var(--fs-1);
  color: var(--text-dim);
  line-height: 1.6;
}

/* ---------- 每一档能用到什么 ---------- */
.page-products .power-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-products .power-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 26px;
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  background: var(--pp-panel);
}

.page-products .power-card--wide {
  border-color: rgba(47, 240, 208, 0.38);
  background: linear-gradient(150deg, rgba(47, 240, 208, 0.1), rgba(10, 23, 48, 0.96) 58%);
}

.page-products .power-card__no {
  margin: 0;
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-products .power-card__title {
  margin: 0;
  font-size: var(--fs-5);
  line-height: 1.25;
  font-weight: 900;
  color: var(--text);
}

.page-products .power-card__who {
  margin: 0;
  font-size: var(--fs-1);
  letter-spacing: 0.06em;
  color: var(--accent-soft);
}

.page-products .power-card p {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.78;
  color: var(--text-dim);
}

/* ---------- 费用规则 ---------- */
.page-products .fee-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-products .fee-copy h2 {
  margin: 12px 0 16px;
}

.page-products .fee-copy p {
  margin: 0 0 14px;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 46ch;
}

.page-products .fee-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
}

.page-products .fee-list > div {
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--pp-line);
}

.page-products .fee-list > div:nth-child(1) {
  border-left-color: var(--accent);
}

.page-products .fee-list > div:nth-child(2) {
  border-left-color: var(--orange);
}

.page-products .fee-list dt {
  margin-bottom: 5px;
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--text);
}

.page-products .fee-list dd {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.72;
  color: var(--text-dim);
}

.page-products .fee-media .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
}

/* ---------- 升级路径 ---------- */
.page-products .path-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-products .path {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 42px;
  display: grid;
  gap: 12px;
}

.page-products .path__line {
  position: absolute;
  left: -42px;
  top: 12px;
  bottom: 12px;
  width: 30px;
  height: calc(100% - 24px);
  color: var(--grid);
  pointer-events: none;
}

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

.page-products .path__dot {
  position: absolute;
  left: -42px;
  top: 10px;
  z-index: 2;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: var(--fs-1);
  color: var(--amber);
  background: var(--void);
  border: 1px solid var(--grid);
}

.page-products .path .fold,
.page-products .switch-list .fold {
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  background: var(--pp-panel);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-products .path .fold:hover,
.page-products .switch-list .fold:hover {
  border-color: var(--pp-edge);
}

.page-products .path .fold[open],
.page-products .switch-list .fold[open] {
  border-color: rgba(47, 240, 208, 0.55);
}

.page-products .fold summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding: 16px 18px;
}

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

.page-products .fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--accent);
}

.page-products .fold[open] summary::after {
  content: "\2013";
}

.page-products .fold__idx {
  font-size: var(--fs-1);
  letter-spacing: 0.1em;
  color: var(--text-dim);
  transition: color var(--dur) var(--ease);
}

.page-products .fold[open] .fold__idx {
  color: var(--accent);
}

.page-products .path__title {
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--text);
}

.page-products .path__hint {
  font-size: var(--fs-1);
  color: var(--text-dim);
}

.page-products .fold__body {
  padding: 0 18px 18px 18px;
}

.page-products .fold__body p {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.78;
  color: var(--text-dim);
  max-width: 52ch;
}

.page-products .path__figure {
  display: grid;
  gap: 12px;
}

.page-products .path__figure .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
}

.page-products .path__caption {
  margin: 0;
  font-size: var(--fs-1);
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 终端自检 ---------- */
.page-products .check-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-products .check-copy h2 {
  margin: 12px 0 16px;
}

.page-products .check-copy > p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 48ch;
}

.page-products .check-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .check-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 16px;
  background: var(--deep);
}

.page-products .check-item__idx {
  flex: 0 0 auto;
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--accent);
  padding-top: 3px;
}

.page-products .check-item__text {
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--text);
}

.page-products .check-media .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
}

/* ---------- 目录调用 ---------- */
.page-products .tools-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: center;
}

.page-products .tools-media .media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pp-line);
}

.page-products .tools-copy h2 {
  margin: 12px 0 16px;
}

.page-products .tools-copy > p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 48ch;
}

.page-products .field-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-line);
}

.page-products .field-list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--pp-line);
  font-size: var(--fs-2);
  line-height: 1.6;
  color: var(--text);
}

.page-products .field-list__key {
  flex: 0 0 78px;
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-products .tools-note {
  margin: 18px 0 0;
  font-size: var(--fs-1);
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 换档 ---------- */
.page-products .switch-list {
  display: grid;
  gap: 10px;
}

.page-products .switch__q {
  font-size: var(--fs-3);
  font-weight: 700;
  color: var(--text);
}

/* ---------- 收尾 ---------- */
.page-products .prod-cta {
  padding-top: 8px;
}

.page-products .prod-cta__inner {
  border: 1px solid var(--pp-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(47, 240, 208, 0.16), rgba(47, 240, 208, 0) 58%),
    var(--pp-panel);
  padding: 28px 20px 30px;
  display: grid;
  gap: 24px;
}

.page-products .prod-cta__text h2 {
  margin: 12px 0 14px;
}

.page-products .prod-cta__text p {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 52ch;
}

.page-products .prod-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ================= 断点 ================= */
@media (min-width: 640px) {
  .page-products {
    --pp-pad: 24px;
  }

  .page-products .tier-panels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.18fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .power-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .power-card--wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .page-products .tier-table {
    min-width: 600px;
  }
}

@media (min-width: 900px) {
  .page-products .check-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-products .tools-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.32fr);
    gap: 44px;
  }

  .page-products .fee-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-hero {
    padding-top: 44px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .path-wrap {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 52px;
  }

  .page-products .prod-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding: 40px 36px 42px;
  }
}

@media (min-width: 1120px) {
  .page-products .tier-block {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    gap: 20px 22px;
  }

  .page-products .tier-panels {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .tier-table-wrap {
    grid-column: 1;
    grid-row: 2;
    align-self: start;
  }

  .page-products .tier-visual {
    grid-column: 2;
    grid-row: 1 / span 2;
    aspect-ratio: auto;
    height: 100%;
    min-height: 380px;
  }

  .page-products .power-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.24fr) minmax(0, 1fr);
    gap: 18px;
  }

  .page-products .power-card--wide {
    grid-column: auto;
  }

  .page-products .power-card:nth-child(1) {
    margin-top: 52px;
  }

  .page-products .power-card:nth-child(3) {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tier,
  .page-products .tier__tags,
  .page-products .fold,
  .page-products .fold__idx,
  .page-products .tier-table tbody tr,
  .page-products .tier-chips .chip {
    transition: none;
  }

  .page-products .tier:hover {
    transform: none;
  }
}