.page-products {
  background: var(--indigo-night);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products h4 {
  margin: 0;
  font-family: var(--font-title);
  letter-spacing: -0.01em;
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: var(--amber-bright);
  text-decoration: none;
}

.page-products a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 54px;
  background:
    radial-gradient(120% 100% at 86% -18%, rgba(217, 152, 54, 0.18), rgba(19, 30, 54, 0) 62%),
    var(--indigo-night);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line-cool) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-cool) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.26;
}

.page-products .prod-hero .wrap {
  position: relative;
  z-index: 2;
}

.page-products .hero-sheets {
  display: none;
}

.page-products .hero-copy {
  max-width: 640px;
}

.page-products .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 34px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-on-dark-dim);
}

.page-products .crumbs a {
  color: var(--amber);
}

.page-products .crumbs a:hover {
  text-decoration: none;
  color: var(--amber-bright);
}

.page-products .crumbs__sep {
  color: rgba(239, 226, 198, 0.32);
}

.page-products .prod-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .prod-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.page-products .prod-hero h1 {
  font-size: clamp(30px, 7.4vw, 50px);
  line-height: 1.16;
  font-weight: 800;
  color: var(--paper-yellow);
}

.page-products .prod-lede {
  margin-top: 18px;
  max-width: 40em;
  font-size: 16.5px;
  color: var(--text-on-dark);
}

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

.page-products .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  background: var(--line-warm-soft);
  border: 1px solid var(--line-warm-soft);
}

.page-products .hero-fact {
  margin: 0;
  padding: 14px 16px;
  background: var(--indigo-deep);
}

.page-products .hero-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--amber-bright);
}

.page-products .hero-fact__label {
  display: block;
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-on-dark-dim);
}

/* ---------- 通用区块 ---------- */

.page-products .prod-section {
  position: relative;
  padding: 52px 0;
  scroll-margin-top: 24px;
}

.page-products .prod-section--paper {
  background: var(--paper-yellow);
  color: var(--ink);
}

.page-products .prod-section__head {
  max-width: 62em;
  margin-bottom: 30px;
}

.page-products .prod-section__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .prod-section__title {
  font-size: clamp(23px, 5vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  color: var(--paper-yellow);
}

.page-products .prod-section__title::after {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-top: 14px;
  background: var(--amber);
}

.page-products .prod-section__note {
  margin-top: 16px;
  max-width: 46em;
  font-size: 16px;
  color: var(--text-on-dark-dim);
}

.page-products .prod-section--paper .prod-section__num {
  color: var(--rock-gray);
}

.page-products .prod-section--paper .prod-section__title {
  color: var(--ink);
}

.page-products .prod-section--paper .prod-section__note {
  color: var(--rock-gray);
}

.page-products .prod-section--paper a {
  color: #8A4C08;
}

/* ---------- 01 工具家族 ---------- */

.page-products .tool-lines {
  display: grid;
  gap: 1px;
  background: var(--line-warm-soft);
  border: 1px solid var(--line-warm-soft);
}

.page-products .tool-line {
  padding: 20px 18px 22px;
  background: var(--indigo-deep);
}

.page-products .tool-line__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .tool-line__name {
  font-size: 20px;
  color: var(--paper-white);
}

.page-products .tool-line__scene {
  margin-top: 8px;
  font-size: 15.5px;
  color: var(--text-on-dark);
}

.page-products .tool-line__fit {
  display: block;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-warm-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber-bright);
}

.page-products .tool-base {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(42, 65, 102, 0.42);
  font-size: 15.5px;
  color: var(--text-on-dark);
}

.page-products .prod-section--paper .tool-base {
  background: rgba(12, 20, 32, 0.05);
  border-left-color: var(--amber);
  color: var(--ink);
}

/* ---------- 02 权益对照 ---------- */

.page-products .shot {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(12, 20, 32, 0.18);
  background: var(--paper-white);
}

.page-products .shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .shot--compare {
  margin: 0 0 24px;
  aspect-ratio: 7 / 4;
}

.page-products .shot--desktop {
  margin: 0;
  aspect-ratio: 14 / 9;
}

.page-products .shot--mobile {
  margin: 0;
  aspect-ratio: 7 / 13;
}

.page-products .shot__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 92%;
  padding: 8px 14px 8px 12px;
  border-left: 2px solid var(--amber);
  background: rgba(12, 20, 32, 0.86);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper-yellow);
}

.page-products .compare {
  background: var(--paper-white);
  border: 1px solid rgba(12, 20, 32, 0.14);
  box-shadow: var(--shadow-paper);
}

.page-products .compare__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .compare__scroll:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-products .compare__table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.6;
}

.page-products .compare__table th,
.page-products .compare__table td {
  padding: 13px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(12, 20, 32, 0.1);
}

.page-products .compare__table thead th {
  background: var(--indigo-deep);
  color: var(--paper-yellow);
  font-family: var(--font-title);
  font-size: 15.5px;
  font-weight: 700;
  white-space: nowrap;
}

.page-products .compare__table thead th:first-child {
  background: var(--indigo-night);
}

.page-products .compare__table tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .compare__table td {
  color: var(--rock-gray);
}

.page-products .compare__table tbody tr:hover td,
.page-products .compare__table tbody tr:hover th {
  background: rgba(217, 152, 54, 0.12);
}

.page-products .compare__verdict-row td {
  padding-top: 0;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(12, 20, 32, 0.16);
}

.page-products .verdict {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink);
}

.page-products .verdict::before {
  content: "";
  flex: none;
  width: 20px;
  height: 2px;
  margin-top: 11px;
  background: var(--amber);
}

/* ---------- 03 版本留档 ---------- */

.page-products .vault__banner {
  max-width: 620px;
  margin: 0 0 28px;
  overflow: hidden;
  border: 1px solid var(--line-warm);
  background: var(--indigo-mid);
}

.page-products .vault__banner img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

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

.page-products .vault__rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-products .vault__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-warm);
  background: var(--indigo-mid);
}

.page-products .vault__figure img {
  width: 100%;
  object-fit: cover;
}

.page-products .vault__index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.page-products .vault__index a {
  display: block;
  padding: 7px 6px;
  border: 1px solid var(--line-warm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-align: center;
  color: var(--amber);
  transition: background 160ms var(--ease-page), color 160ms var(--ease-page), border-color 160ms var(--ease-page);
}

.page-products .vault__index a:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--indigo-night);
  text-decoration: none;
}

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

.page-products .vcard {
  padding: 16px 16px 14px;
  border: 1px solid var(--line-cool);
  border-left: 3px solid var(--amber);
  background: var(--indigo-deep);
  transition: background 200ms var(--ease-page), border-color 200ms var(--ease-page);
}

.page-products .vcard:target {
  background: var(--indigo-mid);
  border-left-color: var(--signal-orange);
}

.page-products .vcard__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-products .vcard__num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--signal-orange);
}

.page-products .vcard__status {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-on-dark-dim);
}

.page-products .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 6px;
  border-radius: 50%;
}

.page-products .dot--stable {
  background: var(--amber);
}

.page-products .dot--preview {
  background: var(--signal-orange);
}

.page-products .vcard__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-on-dark-dim);
}

.page-products .vcard__summary {
  margin-top: 12px;
  font-size: 15.5px;
  color: var(--text-on-dark);
}

.page-products .vcard__more {
  margin-top: 10px;
}

.page-products .vcard__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber);
}

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

.page-products .vcard__more summary::before {
  content: "▸ ";
}

.page-products .vcard__more[open] summary::before {
  content: "▾ ";
}

.page-products .vcard__more p {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--text-on-dark-dim);
}

.page-products .vcard__tip {
  margin-top: 22px;
  font-size: 14.5px;
  color: var(--text-on-dark-dim);
}

/* ---------- 04 两端差异 ---------- */

.page-products .ends {
  display: grid;
  gap: 24px;
}

.page-products .end-panel {
  display: grid;
  align-content: start;
  gap: 16px;
}

.page-products .end-panel__title {
  font-size: 21px;
  color: var(--ink);
}

.page-products .end-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .end-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  color: var(--ink);
}

.page-products .end-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 1px;
  background: var(--amber);
}

.page-products .end-list strong {
  font-weight: 700;
}

/* ---------- 05 升级与回退 ---------- */

.page-products .notes {
  display: grid;
  gap: 18px;
}

.page-products .note {
  padding: 18px 18px 20px;
  border-top: 2px solid var(--amber);
  background: var(--indigo-deep);
}

.page-products .note__title {
  font-size: 18px;
  color: var(--paper-white);
}

.page-products .note ul {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 15px;
  color: var(--text-on-dark);
}

/* ---------- 06 照着顺序选 ---------- */

.page-products .paths {
  display: grid;
  gap: 18px;
}

.page-products .path-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px 18px 18px;
  border: 1px solid rgba(12, 20, 32, 0.14);
  border-top: 3px solid var(--amber);
  background: var(--paper-white);
  box-shadow: var(--shadow-paper);
}

.page-products .path-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--rock-gray);
}

.page-products .path-card__title {
  font-size: 20px;
  color: var(--ink);
}

.page-products .path-card__scene {
  font-size: 15px;
  color: var(--rock-gray);
}

.page-products .path-card__steps {
  counter-reset: step;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .path-card__steps li {
  counter-increment: step;
  position: relative;
  padding-left: 28px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-products .path-card__steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #A55B10;
}

.page-products .path-card .tag {
  justify-self: start;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-products .prod-hero {
    padding: 30px 0 64px;
  }

  .page-products .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .prod-section {
    padding: 64px 0;
  }

  .page-products .ends {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-products .notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .hero-sheets {
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
  }

  .page-products .hero-sheet {
    position: absolute;
    display: block;
    border: 1px solid var(--line-warm);
    border-radius: 4px;
  }

  .page-products .hero-sheet--back {
    top: 20%;
    right: 3%;
    width: 40%;
    height: 62%;
    background: rgba(27, 44, 75, 0.5);
    transform: rotate(-2.2deg);
  }

  .page-products .hero-sheet--front {
    top: 26%;
    right: 8%;
    width: 38%;
    height: 54%;
    background: linear-gradient(155deg, rgba(217, 152, 54, 0.16), rgba(27, 44, 75, 0.78));
    transform: rotate(1.6deg);
    box-shadow: var(--shadow-paper);
  }

  .page-products .hero-copy {
    max-width: 660px;
  }

  .page-products .paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-products .tool-lines {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .vault {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .vault__rail {
    position: sticky;
    top: 24px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition: none !important;
    animation: none !important;
  }
}