.page-home {
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-sans);
}

/* ---------- 通用章节骨架 ---------- */
.page-home .sec {
  padding: 3.5rem 0 3rem;
  position: relative;
}

.page-home .sec--paper {
  background: var(--paper);
  color: var(--text);
}

.page-home .sec--mist {
  background: var(--mist);
  color: var(--text);
}

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

.page-home .sec--deep {
  background: var(--ink-2);
  color: var(--paper);
}

.page-home .sec__head {
  max-width: 46rem;
  margin-bottom: 2.25rem;
}

.page-home .sec__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  padding-left: 0.7rem;
  border-left: 3px solid currentColor;
  margin-bottom: 0.9rem;
}

.page-home .sec--paper .sec__no,
.page-home .sec--mist .sec__no {
  color: var(--teal);
}

.page-home .sec--ink .sec__no,
.page-home .sec--deep .sec__no {
  color: var(--orange);
}

.page-home .sec__title {
  font-size: clamp(1.55rem, 5.2vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.16;
  margin: 0 0 0.85rem;
}

.page-home .sec__sub {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 42rem;
}

.page-home .sec--ink .sec__sub,
.page-home .sec--deep .sec__sub {
  color: rgba(244, 246, 248, 0.72);
}

.page-home .link-arrow {
  display: inline-block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-home .link-arrow:hover,
.page-home .link-arrow:focus-visible {
  color: var(--ink);
  border-color: var(--ink);
}

.page-home .link-arrow--dark {
  color: var(--cyan);
}

.page-home .link-arrow--dark:hover,
.page-home .link-arrow--dark:focus-visible {
  color: #fff;
  border-color: #fff;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: 2.5rem 0 3rem;
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.5;
  pointer-events: none;
}

.page-home .hero__grid {
  position: relative;
  display: grid;
  gap: 2.25rem;
  z-index: 1;
}

.page-home .hero__eyebrow {
  color: var(--cyan);
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  margin: 0 0 1rem;
}

.page-home .hero__title {
  font-size: clamp(2.15rem, 8.2vw, 4.35rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0 0 1.25rem;
}

.page-home .hero__num {
  display: inline-block;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 0.92em;
  letter-spacing: -0.03em;
  margin-left: 0.15em;
}

.page-home .hero__lead {
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(244, 246, 248, 0.8);
  max-width: 34rem;
  margin: 0 0 1.75rem;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem 1rem;
  margin: 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-dark);
}

.page-home .hero__stat dt {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: rgba(244, 246, 248, 0.55);
  margin-bottom: 0.35rem;
}

.page-home .hero__stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--paper);
}

.page-home .hero__visual {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  overflow: hidden;
}

.page-home .hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.55;
}

.page-home .hero__route {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.page-home .route-base {
  fill: none;
  stroke: rgba(199, 209, 218, 0.26);
  stroke-width: 7;
  stroke-linecap: square;
}

.page-home .route-fork {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
  stroke-dasharray: 7 7;
  opacity: 0.75;
}

.page-home .route-path {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 3;
  stroke-linecap: square;
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: hm-route-draw 1.5s var(--ease) 0.15s forwards;
}

.page-home .route-node {
  fill: var(--ink);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-home .route-node--end {
  fill: var(--orange);
  stroke: var(--orange);
}

.page-home .hero__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 0.7rem 0.9rem;
  font-size: 0.74rem;
  line-height: 1.6;
  color: rgba(244, 246, 248, 0.72);
  background: rgba(11, 27, 43, 0.82);
  border-top: 1px solid var(--line-dark);
}

@keyframes hm-route-draw {
  to {
    stroke-dashoffset: 0;
  }
}

/* ---------- 01 速度对照 ---------- */
.page-home .speed {
  display: grid;
  gap: 2rem;
}

.page-home .speed__figure {
  margin: 0;
}

.page-home .speed__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-light);
  background: #fff;
}

.page-home .speed__cap {
  margin-top: 0.7rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--grid);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .tabs__list {
  display: inline-flex;
  border: 1px solid var(--line-light);
  background: #fff;
}

.page-home .tabs__tab {
  appearance: none;
  border: 0;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--muted);
  padding: 0.55rem 1.3rem;
  cursor: pointer;
}

.page-home .tabs__tab[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
}

.page-home .tabs__tab:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-home .tabs__panel[hidden] {
  display: none;
}

.page-home .tabs__panel:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 4px;
}

.page-home .readout {
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
  margin: 1.4rem 0 0.4rem;
}

.page-home .readout__num {
  font-family: var(--font-mono);
  font-size: clamp(2.5rem, 9vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--muted);
  letter-spacing: -0.04em;
}

.page-home .readout__num--v4 {
  color: var(--teal);
}

.page-home .readout__unit {
  font-size: 0.95rem;
  color: var(--muted);
}

.page-home .readout__note {
  margin: 0 0 0.9rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .readout__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.page-home .readout__list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.1rem;
  font-size: 0.9rem;
  line-height: 1.65;
  border-bottom: 1px solid var(--line-light);
}

.page-home .readout__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 6px;
  height: 6px;
  background: var(--teal);
}

.page-home .cmp-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.75rem;
  font-size: 0.86rem;
  line-height: 1.6;
}

.page-home .cmp-table__cap {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-bottom: 0.7rem;
}

.page-home .cmp-table th,
.page-home .cmp-table td {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid var(--line-light);
  vertical-align: top;
}

.page-home .cmp-table thead th {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  color: var(--muted);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 0.55rem;
}

.page-home .cmp-table tbody th {
  font-weight: 500;
  color: var(--muted);
  width: 33%;
}

.page-home .cmp-table__hi {
  color: var(--text);
  font-weight: 700;
}

.page-home .speed__more {
  margin: 1.25rem 0 0;
}

/* ---------- 02 三步路径 ---------- */
.page-home .steps {
  display: grid;
  gap: 2rem;
}

.page-home .steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-home .steps__item {
  position: relative;
  background: rgba(35, 224, 208, 0.06);
  border-left: 3px solid var(--cyan);
  padding: 1.35rem 1.25rem 1.4rem;
}

.page-home .steps__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  margin-bottom: 0.65rem;
}

.page-home .steps__name {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
}

.page-home .steps__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 246, 248, 0.74);
}

.page-home .steps__figure {
  margin: 0;
}

.page-home .steps__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-dark);
}

.page-home .steps__cap {
  margin-top: 0.7rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--cyan);
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(244, 246, 248, 0.62);
}

.page-home .steps__link {
  margin: 1.75rem 0 0;
}

/* ---------- 03 案例与权益 ---------- */
.page-home .cases {
  display: grid;
  gap: 2rem;
}

.page-home .cases__figure {
  margin: 0;
}

.page-home .cases__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-light);
}

.page-home .cases__figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .cases__facts {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-home .cases__facts li {
  display: grid;
  grid-template-columns: 4.6rem minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-light);
}

.page-home .cases__num {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1;
  color: var(--teal);
  letter-spacing: -0.03em;
}

.page-home .cases__label {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text);
}

.page-home .cases__note {
  margin: 0 0 1.4rem;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-home .cases__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

/* ---------- 04 订阅 ---------- */
.page-home .sub {
  display: grid;
  gap: 1.75rem;
}

.page-home .sub__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-dark);
}

.page-home .sub__item {
  background: var(--ink-2);
  padding: 1.35rem 1.25rem;
}

.page-home .sub__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 61, 0.5);
  padding: 0.15rem 0.5rem;
  margin-bottom: 0.75rem;
}

.page-home .sub__name {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.page-home .sub__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(244, 246, 248, 0.72);
}

.page-home .sub__foot {
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(244, 246, 248, 0.66);
  max-width: 44rem;
}

/* ---------- 05 常见问题 ---------- */
.page-home .faq {
  border-top: 1px solid var(--line-light);
}

.page-home .faq__item {
  border-bottom: 1px solid var(--line-light);
}

.page-home .faq__q {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 2rem 1.1rem 0;
  position: relative;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
}

.page-home .faq__q::-webkit-details-marker {
  display: none;
}

.page-home .faq__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--teal);
}

.page-home .faq__item[open] .faq__q::after {
  content: "−";
  color: var(--orange);
}

.page-home .faq__q:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

.page-home .faq__a {
  padding: 0 0 1.2rem;
}

.page-home .faq__a p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--muted);
  max-width: 44rem;
}

/* ---------- 收尾 ---------- */
.page-home .closing {
  background: var(--ink);
  color: var(--paper);
  padding: 2.75rem 0 3rem;
  border-top: 3px solid var(--cyan);
}

.page-home .closing__inner {
  display: grid;
  gap: 1.5rem;
}

.page-home .closing__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.4rem, 4.6vw, 1.95rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.page-home .closing__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(244, 246, 248, 0.72);
  max-width: 38rem;
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-home .sec {
    padding: 5rem 0 4.5rem;
  }

  .page-home .hero {
    padding: 4.5rem 0 5rem;
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: center;
  }

  .page-home .hero__visual {
    align-self: stretch;
  }

  .page-home .hero__visual img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 380px;
  }

  .page-home .speed {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 3 rem;
    align-items: start;
  }

  .page-home .steps {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-home .cases {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.75rem;
    align-items: center;
  }

  .page-home .sub {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    column-gap: 3rem;
    align-items: start;
  }

  .page-home .sub__head {
    grid-row: span 2;
  }

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

  .page-home .sub__foot {
    grid-column: 2 / -1;
  }

  .page-home .closing__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2.5rem;
  }

  .page-home .closing__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-home .speed {
    gap: 3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .route-path {
    animation: none;
    stroke-dashoffset: 0;
  }
}
<<<END>>>