.page-products {
  --tools-line: var(--hair);
  --tools-line-dark: var(--hair-dark);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(2rem, 7vw, 4.2rem) 0 clamp(1.8rem, 5vw, 3rem);
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -28%;
  width: 88%;
  height: 150%;
  background: linear-gradient(155deg, var(--red) 0%, rgba(122, 18, 32, 0.18) 55%, rgba(122, 18, 32, 0) 78%);
  transform: skewX(-16deg);
  pointer-events: none;
}

.page-products .tools-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--red) 0%, var(--gold) 42%, rgba(211, 174, 91, 0) 88%);
}

.page-products .tools-hero-inner {
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 clamp(1.4rem, 4vw, 2.4rem);
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(247, 243, 236, 0.62);
}

.page-products .breadcrumb li + li::before {
  content: "／";
  margin-right: 0.45rem;
  color: rgba(211, 174, 91, 0.6);
}

.page-products .breadcrumb a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 220ms var(--ease), color 220ms var(--ease);
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-products .breadcrumb .is-current {
  color: var(--gold);
}

.page-products .tools-hint {
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--gold);
  margin-bottom: clamp(0.9rem, 3vw, 1.4rem);
}

.page-products .page-title {
  font-size: clamp(2rem, 7.5vw, 4.1rem);
  max-width: 15em;
}

.page-products .page-intro {
  margin-top: clamp(1rem, 3vw, 1.5rem);
  max-width: 34em;
  font-size: 15px;
  color: rgba(247, 243, 236, 0.8);
}

.page-products .tools-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  margin: clamp(1.4rem, 4vw, 2.2rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .tools-jump a {
  position: relative;
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: rgba(247, 243, 236, 0.86);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--tools-line-dark);
  transition: color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-products .tools-jump a::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 0.5rem;
  vertical-align: 2px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-products .tools-jump a:hover,
.page-products .tools-jump a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 章节骨架 ---------- */
.page-products .tools-sec {
  padding: clamp(2.4rem, 8vw, 5rem) 0;
}

.page-products .tools-sec--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-products .tools-sec--ink {
  background: var(--ink);
  color: var(--paper);
}

.page-products .tools-sec-head {
  max-width: 40em;
}

.page-products .tools-kicker {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--red);
  margin-bottom: 0.9rem;
}

.page-products .tools-kicker--gold {
  color: var(--gold);
}

.page-products .tools-sec h2 {
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
}

.page-products .tools-lead {
  margin-top: 1rem;
  font-size: 15px;
  max-width: 36em;
}

.page-products .tools-sec--ink .tools-lead {
  color: rgba(247, 243, 236, 0.78);
}

.page-products .tools-aside {
  margin-top: 1.2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--red);
  font-size: 14px;
  color: rgba(11, 7, 8, 0.72);
  max-width: 40em;
}

/* ---------- 图片 ---------- */
.page-products .tools-figure {
  margin: 0;
  overflow: hidden;
  background: var(--paper-2);
  border: 1px solid var(--tools-line);
}

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

.page-products .tools-figure--framed {
  border-color: var(--tools-line-dark);
  background: var(--ink-2);
}

.page-products .tools-sec--paper .tools-figure:first-child,
.page-products .fee-scroll + .tools-aside {
  margin-top: 1.4rem;
}

.page-products .tools-sec--paper > .container > .tools-figure {
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
}

/* ---------- 费用表格 ---------- */
.page-products .fee-scroll {
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--tools-line);
  background: var(--paper);
}

.page-products .fee-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
}

.page-products .fee-table caption {
  caption-side: top;
  padding: 0.9rem 1rem;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  text-align: left;
  border-bottom: 1px solid var(--tools-line);
}

.page-products .fee-table thead th {
  background: var(--ink);
  color: var(--gold);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.16em;
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

.page-products .fee-table td {
  padding: 0.8rem 1rem;
  vertical-align: top;
  border-bottom: 1px solid var(--tools-line);
  color: rgba(11, 7, 8, 0.84);
}

.page-products .fee-table tbody tr:nth-child(even) {
  background: var(--paper-2);
}

.page-products .fee-table tbody tr:hover {
  background: rgba(168, 30, 45, 0.07);
}

.page-products .fee-table td:first-child {
  white-space: nowrap;
  font-weight: 500;
  color: var(--ink);
}

.page-products .fee-table td:last-child {
  white-space: nowrap;
  font-size: 12.5px;
  color: rgba(11, 7, 8, 0.58);
}

.page-products .fee-index {
  display: inline-block;
  min-width: 1.9em;
  font-family: var(--font-num);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--gold-deep);
  margin-right: 0.35rem;
  vertical-align: -1px;
}

.page-products .fee-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 0.45rem;
  border-radius: 50%;
  vertical-align: 1px;
  background: var(--hair);
}

.page-products .fee-dot[data-flag="red"] {
  background: var(--red-hot);
}

.page-products .fee-dot[data-flag="yellow"] {
  background: var(--flag-yellow);
}

.page-products .fee-dot[data-flag="blue"] {
  background: var(--sky);
}

.page-products .fee-dot[data-flag="green"] {
  background: var(--flag-green);
}

.page-products .fee-dot[data-flag="white"] {
  background: var(--paper);
  box-shadow: 0 0 0 1px var(--hair);
}

/* ---------- 双栏 ---------- */
.page-products .tools-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  align-items: center;
}

.page-products .tools-split-text h2 {
  margin-bottom: 0.9rem;
}

.page-products .tools-split-text p + p {
  margin-top: 0.9rem;
}

.page-products .tools-sec--ink .tools-split-text p {
  color: rgba(247, 243, 236, 0.8);
}

.page-products .tools-points {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-products .tools-points li {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  font-size: 14px;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--tools-line-dark);
  color: rgba(247, 243, 236, 0.86);
}

.page-products .tools-points-num {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .tools-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

/* ---------- 周期环 ---------- */
.page-products .cycle-wrap {
  margin-top: clamp(1.6rem, 5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 5vw, 3rem);
  align-items: center;
}

.page-products .cycle-figure {
  position: relative;
  width: min(78vw, 320px);
  margin: 0 auto;
}

.page-products .cycle-svg {
  display: block;
  width: 100%;
  height: auto;
  transform: rotate(-90deg);
}

.page-products .cycle-track {
  fill: none;
  stroke: var(--hair);
  stroke-width: 1.4;
  stroke-dasharray: 2 9;
}

.page-products .cycle-arc {
  fill: none;
  stroke: var(--gold-deep);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 804;
  stroke-dashoffset: 168;
}

.page-products .cycle-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
}

.page-products .cycle-num {
  font-family: var(--font-num);
  font-size: clamp(3rem, 13vw, 4.6rem);
  line-height: 1;
  color: var(--gold-deep);
}

.page-products .cycle-unit {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(11, 7, 8, 0.55);
}

.page-products .cycle-nodes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.page-products .cycle-node {
  position: relative;
  padding: 0.9rem 1rem 0.9rem 1.5rem;
  border: 1px solid var(--tools-line);
  background: var(--paper);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .cycle-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  bottom: 0.9rem;
  width: 2px;
  background: var(--red);
}

.page-products .cycle-node:hover,
.page-products .cycle-node:focus-within {
  border-color: var(--red-hot);
  transform: translateY(-2px);
}

.page-products .cycle-day {
  display: block;
  font-family: var(--font-num);
  font-size: 1.15rem;
  line-height: 1.2;
  color: var(--gold-deep);
  letter-spacing: 0.04em;
}

.page-products .cycle-node h3 {
  font-size: 1rem;
  margin-top: 0.2rem;
}

.page-products .cycle-node p {
  margin-top: 0.35rem;
  font-size: 13.5px;
  color: rgba(11, 7, 8, 0.74);
}

/* ---------- 版本比对 ---------- */
.page-products .compare {
  margin-top: clamp(1.8rem, 5vw, 2.8rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .compare-col {
  border: 1px solid var(--tools-line-dark);
  background: var(--ink-2);
  padding: 1.2rem 1.1rem;
}

.page-products .compare-col h3 {
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--tools-line-dark);
  color: var(--gold);
}

.page-products .compare-col ul {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.page-products .compare-col li {
  position: relative;
  font-size: 13.5px;
  padding-left: 0.9rem;
  color: rgba(247, 243, 236, 0.78);
}

.page-products .compare-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 1px;
  background: var(--hair);
}

.page-products .compare-col--now li.is-diff {
  color: var(--paper);
  padding-left: 1.1rem;
}

.page-products .compare-col--now li.is-diff::before {
  top: 0.15em;
  width: 2px;
  height: 1.15em;
  background: var(--red-hot);
}

.page-products .compare-col--prev li.is-out {
  color: rgba(247, 243, 236, 0.46);
  text-decoration: line-through;
  text-decoration-color: rgba(168, 30, 45, 0.7);
}

/* ---------- 提醒 ---------- */
.page-products .remind-tags {
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.page-products .remind-tags li {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: 13.5px;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--tools-line);
  color: rgba(11, 7, 8, 0.8);
}

.page-products .remind-dot {
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sky);
}

/* ---------- 操作路径 ---------- */
.page-products .path-list {
  margin: clamp(1.6rem, 5vw, 2.6rem) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.page-products .path-item {
  position: relative;
  border: 1px solid var(--tools-line-dark);
  background: var(--ink-2);
  padding: 1.3rem 1.1rem 1.2rem;
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-products .path-item:hover,
.page-products .path-item:focus-within {
  border-color: var(--red-hot);
  transform: translateY(-2px);
}

.page-products .path-num {
  display: block;
  font-family: var(--font-num);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--gold);
  margin-bottom: 0.5rem;
}

.page-products .path-item h3 {
  font-size: 1.1rem;
  color: var(--paper);
}

.page-products .path-flow {
  margin-top: 0.6rem;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--sky);
  line-height: 1.9;
}

.page-products .path-flow span {
  color: var(--gold);
  margin: 0 0.15rem;
}

.page-products .path-item p:last-child {
  margin-top: 0.55rem;
  font-size: 13.5px;
  color: rgba(247, 243, 236, 0.74);
}

.page-products .tools-tail {
  margin-top: clamp(1.6rem, 5vw, 2.4rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--tools-line-dark);
}

.page-products .tools-tail p {
  max-width: 38em;
  font-size: 14px;
  color: rgba(247, 243, 236, 0.8);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .cycle-wrap {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .cycle-figure {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    position: sticky;
    top: 2rem;
  }

  .page-products .compare {
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }

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

@media (min-width: 900px) {
  .page-products .tools-split {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(2rem, 4vw, 3.4rem);
  }

  .page-products .tools-split--reverse > .tools-split-text {
    order: 1;
  }

  .page-products .tools-split--reverse > .tools-figure {
    order: 2;
  }

  .page-products .fee-table {
    min-width: 100%;
  }

  .page-products .tools-lead {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cycle-node,
  .page-products .path-item,
  .page-products .breadcrumb a,
  .page-products .tools-jump a {
    transition: none;
  }

  .page-products .cycle-node:hover,
  .page-products .path-item:hover {
    transform: none;
  }
}