.page-home {
  --ph-band: rgba(16, 27, 59, .72);
  --ph-gap: 18px;
  background: var(--navy-900);
  color: var(--on-dark);
}

.page-home .ph-hero {
  position: relative;
  padding: 34px 0 46px;
  border-bottom: 1px solid var(--navy-line);
  background:
    radial-gradient(120% 88% at 88% 6%, rgba(53, 224, 214, .16), transparent 62%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  overflow: hidden;
}

.page-home .ph-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-home .ph-hero-copy {
  min-width: 0;
}

.page-home .ph-context {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 5px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  border: 1px solid rgba(53, 224, 214, .38);
  border-radius: 999px;
  background: rgba(53, 224, 214, .08);
}

.page-home .ph-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  animation: ph-ping 2.6s ease-out infinite;
}

@keyframes ph-ping {
  0%   { box-shadow: 0 0 0 0 rgba(255, 138, 61, .55); }
  70%  { box-shadow: 0 0 0 11px rgba(255, 138, 61, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 138, 61, 0); }
}

.page-home .ph-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 6.4vw, 44px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: #fff;
}

.page-home .ph-lede {
  max-width: 34em;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .ph-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-home .ph-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-line);
}

.page-home .ph-hero-stats li {
  padding: 13px 15px;
  background: rgba(12, 21, 48, .8);
}

.page-home .ph-stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-home .ph-stat-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-home .ph-hero-visual {
  position: relative;
  min-width: 0;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-950);
  box-shadow: var(--shadow-lift);
  aspect-ratio: 6 / 7;
}

.page-home .ph-hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-home .ph-pulse {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 34%;
  pointer-events: none;
}

.page-home .ph-pulse path {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-dasharray: 460;
  stroke-dashoffset: 460;
  animation: ph-draw 6s linear infinite;
}

.page-home .ph-pulse path:nth-child(2) {
  stroke: var(--orange);
  opacity: .7;
  animation-delay: -2.8s;
}

@keyframes ph-draw {
  0%   { stroke-dashoffset: 460; opacity: .18; }
  40%  { opacity: 1; }
  100% { stroke-dashoffset: -460; opacity: .22; }
}

.page-home .ph-head {
  max-width: 46rem;
  margin-bottom: 26px;
}

.page-home .ph-head .section-title {
  margin: 8px 0 12px;
}

.page-home .ph-head .section-lede {
  margin: 0;
}

/* 内容中心直达 */
.page-home .ph-entry {
  padding: 52px 0;
}

.page-home .ph-path {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-home .ph-path li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 15px 6px 6px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: 999px;
}

.page-home .ph-path-num {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--paper);
  background: var(--ink);
  border-radius: 999px;
}

.page-home .ph-quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .ph-quick-card {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px;
  text-decoration: none;
  color: var(--ink);
}

.page-home .ph-quick-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .ph-quick-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-deep);
}

.page-home .ph-quick-more {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-deep);
}

.page-home .ph-quick-card .chip,
.page-home .ph-tag-item .chip {
  align-self: flex-start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-deep);
  background: rgba(14, 127, 123, .1);
  border: 1px solid rgba(14, 127, 123, .3);
  border-radius: 4px;
}

/* 产品线速览 */
.page-home .ph-lines {
  padding: 54px 0;
  background: linear-gradient(180deg, var(--navy-900), var(--navy-950));
}

.page-home .ph-bento {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .ph-line-card {
  position: relative;
  min-width: 0;
  padding: 20px;
  background: linear-gradient(158deg, var(--navy-700) 0%, var(--navy-950) 86%);
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.page-home .ph-line-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 54px;
  height: 2px;
  background: var(--cyan);
}

.page-home .ph-line-card:hover,
.page-home .ph-line-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(53, 224, 214, .55);
  box-shadow: var(--shadow-lift);
}

.page-home .ph-line-media {
  margin-bottom: 16px;
  border: 1px solid var(--navy-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--navy-950);
}

.page-home .ph-line-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .ph-line-tag {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-home .ph-line-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.page-home .ph-line-card p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .ph-line-sub {
  margin: 0;
  padding-top: 8px;
  border-top: 1px dashed var(--navy-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--orange);
}

/* 更新节奏 */
.page-home .ph-cadence {
  padding: 54px 0;
  background: linear-gradient(180deg, var(--navy-950) 0%, var(--navy-700) 130%);
  border-top: 1px solid var(--navy-line);
  border-bottom: 1px solid var(--navy-line);
}

.page-home .ph-cadence-media {
  margin: 0 0 26px;
  border: 1px solid var(--navy-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-950);
  box-shadow: var(--shadow-lift);
}

.page-home .ph-cadence-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .ph-tabs .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  margin-bottom: 20px;
  padding: 5px;
  border: 1px solid var(--navy-line);
  border-radius: 999px;
  background: rgba(12, 21, 48, .74);
}

.page-home .ph-tabs [role="tab"] {
  padding: 8px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--mist);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: background .22s ease, color .22s ease;
}

.page-home .ph-tabs [role="tab"][aria-selected="true"] {
  color: var(--navy-950);
  background: var(--cyan);
  font-weight: 700;
}

.page-home .ph-panel:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 8px;
}

.page-home .ph-batch-note {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-home .ph-batch {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .ph-batch li {
  padding: 15px 16px;
  background: var(--ph-band);
  border: 1px solid var(--navy-line);
  border-left: 3px solid var(--cyan);
  border-radius: 10px;
}

.page-home .ph-batch strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-home .ph-batch p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-dark);
}

/* 分类标签 */
.page-home .ph-tags {
  padding: 54px 0;
}

.page-home .ph-tags-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-home .ph-tag-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .ph-tag-item {
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: 10px;
}

.page-home .ph-tag-item .chip {
  display: inline-block;
  margin-bottom: 8px;
}

.page-home .ph-tag-item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist-deep);
}

.page-home .ph-tags-visual {
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-900);
}

.page-home .ph-tags-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .ph-tags-more {
  margin: 22px 0 0;
  font-size: 14px;
}

/* 首次访问三步 */
.page-home .ph-steps-section {
  padding: 54px 0;
  background:
    radial-gradient(90% 70% at 12% 10%, rgba(53, 224, 214, .1), transparent 60%),
    var(--navy-950);
}

.page-home .ph-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .ph-step {
  padding: 22px 20px 20px;
  background: rgba(16, 27, 59, .62);
  border: 1px dashed var(--navy-line);
  border-radius: var(--radius);
}

.page-home .ph-step-num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  line-height: 1;
  color: var(--cyan);
}

.page-home .ph-step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.page-home .ph-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .ph-steps-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 服务与联系 */
.page-home .ph-service-section {
  padding: 52px 0;
}

.page-home .ph-service {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lift);
}

.page-home .ph-service-copy p {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist-deep);
}

.page-home .ph-service .ph-hero-actions {
  margin-bottom: 0;
}

.page-home .ph-service .btn-ghost {
  color: var(--ink);
  border-color: var(--ink);
}

.page-home .ph-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-home .ph-contact-item {
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--paper-line);
  border-radius: 10px;
}

.page-home .ph-contact-item dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-deep);
}

.page-home .ph-contact-item dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  word-break: break-all;
}

.page-home .ph-contact-item .copy-chip {
  padding: 6px 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--paper-line);
  border-radius: 6px;
  cursor: pointer;
}

.page-home .ph-contact-item .copy-chip[data-copied] {
  color: var(--cyan-deep);
  border-color: var(--cyan-deep);
}

@media (min-width: 560px) {
  .page-home .ph-tag-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-home .ph-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 820px) {
  .page-home .ph-hero {
    padding: 48px 0 60px;
  }

  .page-home .ph-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
  }

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

  .page-home .ph-hero-visual {
    aspect-ratio: 5 / 6;
  }

  .page-home .ph-bento {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .ph-line-card--lead {
    grid-column: span 4;
    grid-row: span 2;
  }

  .page-home .ph-bento .ph-line-card:nth-child(2),
  .page-home .ph-bento .ph-line-card:nth-child(3) {
    grid-column: span 2;
  }

  .page-home .ph-bento .ph-line-card:nth-child(4),
  .page-home .ph-bento .ph-line-card:nth-child(5) {
    grid-column: span 3;
  }

  .page-home .ph-service {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: center;
    padding: 32px;
  }
}

@media (min-width: 980px) {
  .page-home .ph-tags-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-home .ph-entry,
  .page-home .ph-tags,
  .page-home .ph-service-section {
    padding: 66px 0;
  }

  .page-home .ph-lines,
  .page-home .ph-cadence,
  .page-home .ph-steps-section {
    padding: 68px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-dot,
  .page-home .ph-pulse path {
    animation: none;
  }

  .page-home .ph-pulse path {
    stroke-dashoffset: 0;
    opacity: .6;
  }

  .page-home .ph-line-card,
  .page-home .ph-tabs [role="tab"] {
    transition: none;
  }

  .page-home .ph-line-card:hover,
  .page-home .ph-line-card:focus-within {
    transform: none;
  }
}
<<<END>>>