.page-home {
  background: var(--deep-sea);
  color: var(--white);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 5vw, 68px) 0 clamp(56px, 7vw, 104px);
  background:
    radial-gradient(900px 520px at 82% 6%, rgba(0, 229, 255, 0.16), transparent 68%),
    radial-gradient(720px 440px at 2% 96%, rgba(255, 159, 28, 0.10), transparent 70%),
    linear-gradient(168deg, var(--deep-sea) 0%, var(--midnight) 60%, var(--ink-deep) 100%);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(169, 183, 198, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(169, 183, 198, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 90% at 18% 8%, #000 20%, transparent 76%);
  mask-image: radial-gradient(120% 90% at 18% 8%, #000 20%, transparent 76%);
}

.page-home .hero-shot {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-home .hero-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-home .hero-art {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.page-home .hero-art svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-home .hero-line {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 1.4;
  opacity: 0.55;
}

.page-home .hero-line--soft {
  stroke: var(--cyan-soft);
  stroke-width: 1;
  opacity: 0.22;
}

.page-home .hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: end;
}

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

.page-home .hero-eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(40px, 9.2vw, 128px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  color: var(--white);
}

.page-home .hero-title .accent {
  color: var(--cyan);
}

.page-home .hero-lede {
  max-width: 46ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-home .hero-scroll {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-home .hero-scroll:hover,
.page-home .hero-scroll:focus-visible {
  color: var(--cyan);
  border-color: var(--line-cyan);
}

.page-home .hero-card {
  align-self: end;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--glass);
  box-shadow: var(--shadow-float);
  backdrop-filter: blur(10px);
}

.page-home .quick-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .quick-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px 12px;
  border-radius: var(--r-md);
  text-decoration: none;
  color: inherit;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-home .quick-list a:hover,
.page-home .quick-list a:focus-visible {
  background: var(--steel);
  transform: translateY(-2px);
}

.page-home .quick-idx {
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-home .quick-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-home .quick-text strong {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .quick-text span {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}

.page-home .quick-arrow {
  color: var(--amber);
  font-size: 16px;
  transition: transform 0.3s var(--ease);
}

.page-home .quick-list a:hover .quick-arrow {
  transform: translateX(4px);
}

.page-home .hero-card-note {
  margin: 10px 6px 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--gray);
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

/* ---------- 章节通用 ---------- */
.page-home .section {
  position: relative;
  padding: clamp(56px, 8vw, 118px) 0;
}

.page-home .section-head {
  max-width: 760px;
  margin-bottom: clamp(30px, 4.5vw, 56px);
}

.page-home .ch-num {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-home .ch-num::after {
  content: "";
  width: 64px;
  height: 2px;
  background: var(--cyan);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(28px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-home .section-lede {
  margin: 16px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
  color: var(--gray);
  max-width: 54ch;
}

.page-home .inline-link {
  display: inline-block;
  color: var(--cyan);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}

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

/* ---------- 01 六条产品线 ---------- */
.page-home .lines {
  background: linear-gradient(180deg, var(--midnight) 0%, var(--deep-sea) 22%, var(--deep-sea) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-home .lines-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
}

.page-home .lines-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  min-width: 0;
}

.page-home .line-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px 20px;
  border-radius: var(--r-lg);
  background: var(--steel);
  border: 1px solid var(--line-soft);
  text-decoration: none;
  color: inherit;
  transition: transform 0.32s var(--ease), background 0.32s var(--ease),
    border-color 0.32s var(--ease), box-shadow 0.32s var(--ease);
}

.page-home .line-card:hover,
.page-home .line-card:focus-visible {
  transform: translateY(-4px);
  background: var(--deep-sea);
  border-color: var(--line-cyan);
  box-shadow: var(--shadow-float);
}

.page-home .line-idx {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-home .line-name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .line-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}

.page-home .line-for {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--gray);
  letter-spacing: 0.02em;
}

.page-home .line-go {
  margin-top: 10px;
  font-size: 13px;
  color: var(--cyan-soft);
  transition: color 0.3s var(--ease);
}

.page-home .line-card:hover .line-go {
  color: var(--amber);
}

@media (hover: hover) {
  .page-home .line-go {
    opacity: 0.7;
  }
  .page-home .line-card:hover .line-go,
  .page-home .line-card:focus-visible .line-go {
    opacity: 1;
  }
}

.page-home .lines-figure {
  margin: 0;
  align-self: start;
}

.page-home .lines-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
}

.page-home .lines-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 02 更新公告 ---------- */
.page-home .updates {
  background: var(--deep-sea);
  border-top: 1px solid var(--line-soft);
}

.page-home .updates-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .updates-figure {
  margin: 0;
}

.page-home .updates-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid var(--line-soft);
}

.page-home .updates-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-home .updates-list {
  min-width: 0;
}

.page-home .update-lead {
  padding: 20px 22px 22px;
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, var(--steel) 0%, rgba(18, 58, 92, 0.42) 100%);
  border: 1px solid var(--line-cyan);
}

.page-home .update-lead h3 {
  margin: 14px 0 8px;
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .update-lead p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

.page-home .update-item {
  border-bottom: 1px solid var(--line-soft);
  padding: 4px 0;
}

.page-home .update-item summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  transition: color 0.3s var(--ease);
}

.page-home .update-item summary::-webkit-details-marker {
  display: none;
}

.page-home .update-item summary .mono {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.1em;
  flex: none;
}

.page-home .update-item summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
  line-height: 1;
}

.page-home .update-item[open] summary::after {
  content: "−";
}

.page-home .update-item summary:hover {
  color: var(--cyan-soft);
}

.page-home .update-item p {
  margin: 0 0 16px 40px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .updates-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 22px 0 0;
}

.page-home .updates-foot .mono {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

/* ---------- 03 小屏体验（奶油纸） ---------- */
.page-home .section--paper {
  background: var(--paper);
  color: var(--deep-sea);
}

.page-home .section--paper .ch-num,
.page-home .section--paper .ch-num span {
  color: #B26A00;
}

.page-home .section--paper .ch-num::after {
  background: #B26A00;
}

.page-home .section--paper .section-title {
  color: var(--deep-sea);
}

.page-home .section--paper .section-lede {
  color: #4E6070;
}

.page-home .mob-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .mob-intro {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: #34485A;
  max-width: 56ch;
}

.page-home .mob-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home .mob-list li {
  padding-left: 18px;
  border-left: 2px solid rgba(178, 106, 0, 0.35);
}

.page-home .mob-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--deep-sea);
}

.page-home .mob-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #405565;
}

.page-home .mob-figure {
  margin: 0;
}

.page-home .mob-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  border: 1px solid rgba(10, 37, 64, 0.12);
  box-shadow: 0 24px 48px -36px rgba(10, 37, 64, 0.7);
}

.page-home .mob-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: #5B6E7D;
}

/* ---------- 04 角色路径 ---------- */
.page-home .paths {
  background: linear-gradient(180deg, var(--deep-sea) 0%, var(--midnight) 100%);
}

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

.page-home .path-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
  border-radius: var(--r-lg);
  background: var(--steel);
  border: 1px solid var(--line-soft);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease);
}

.page-home .path-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
}

.page-home .path-idx {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .path-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-home .path-role {
  margin: 0 0 16px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-home .path-steps {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 12px;
}

.page-home .path-steps li {
  position: relative;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.8);
  counter-increment: step;
}

.page-home .path-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-home .path-card .inline-link {
  margin-top: auto;
}

/* ---------- 05 服务与联系 ---------- */
.page-home .support {
  background: var(--deep-sea);
  border-top: 1px solid var(--line-soft);
}

.page-home .support-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-home .support-copy p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 56ch;
}

.page-home .support-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .support-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .support-list .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  border-radius: var(--r-pill);
  padding: 2px 10px;
}

.page-home .support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .support-panel {
  padding: 16px;
  border-radius: var(--r-xl);
  background: var(--glass);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-float);
}

.page-home .support-rows {
  margin-top: 10px;
  display: grid;
  gap: 2px;
}

.page-home .support-row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 10px;
  border-radius: var(--r-md);
}

.page-home .support-row:nth-child(odd) {
  background: rgba(18, 58, 92, 0.45);
}

.page-home .support-key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-soft);
}

.page-home .support-val {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-home .support-note {
  margin: 14px 6px 2px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 收束 ---------- */
.page-home .closing {
  position: relative;
  padding: clamp(52px, 7vw, 96px) 0;
  background:
    radial-gradient(700px 340px at 86% 22%, rgba(255, 159, 28, 0.16), transparent 70%),
    linear-gradient(120deg, var(--midnight) 0%, var(--ink-deep) 100%);
  border-top: 1px solid var(--line-cyan);
}

.page-home .closing-inner {
  max-width: 820px;
}

.page-home .closing-title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 46px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-home .closing-lede {
  margin: 16px 0 26px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 54ch;
}

.page-home .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-home .paths-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .section-head {
    max-width: 720px;
  }
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 64px);
  }
  .page-home .hero-card {
    transform: translateY(clamp(10px, 2vw, 28px));
  }
  .page-home .lines-body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: start;
  }
  .page-home .lines-figure {
    position: sticky;
    top: calc(var(--header-space) + 16px);
  }
  .page-home .updates-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-home .mob-body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-home .support-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-home .update-item p {
    margin-left: 44px;
    max-width: 52ch;
  }
}

@media (min-width: 1024px) {
  .page-home .lines-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .paths-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-home .hero-title {
    font-size: clamp(96px, 8.6vw, 132px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-card,
  .page-home .line-card,
  .page-home .path-card,
  .page-home .quick-list a,
  .page-home .quick-arrow {
    transition: none;
    transform: none;
  }
}
<<<PAGE_CSS_END>>>