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

/* ===================== 首屏：坐标声明与目录 ===================== */
.page-home .home-open {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(2.4rem, 8vw, 5.4rem) clamp(2rem, 6vw, 3.8rem);
  background: var(--ink);
  color: var(--paper);
}

.page-home .open-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .open-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
}

.page-home .open-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 20, 20, .72) 0%, rgba(20, 20, 20, .93) 100%);
}

.page-home .home-open::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(245, 240, 230, .06) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(245, 240, 230, .045) 0 1px, transparent 1px 92px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, .25));
}

.page-home .open-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 2.2rem;
}

.page-home .open-eyebrow {
  color: var(--gold);
  margin: 0;
}

.page-home .open-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2rem, 7.2vw, 3.55rem);
  line-height: 1.14;
  letter-spacing: -.01em;
  margin: .7rem 0 0;
  text-wrap: balance;
}

.page-home .open-lead {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(245, 240, 230, .8);
}

.page-home .open-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

.page-home .open-foot {
  margin: 1.6rem 0 0;
  font-size: .74rem;
  letter-spacing: var(--track-wide);
  color: rgba(245, 240, 230, .52);
}

/* 目录栏 */
.page-home .open-index {
  border-top: 1px solid var(--line-light);
  padding-top: 1.1rem;
}

.page-home .index-label {
  margin: 0 0 .9rem;
  font-size: .74rem;
  letter-spacing: var(--track-wide);
  color: var(--gold);
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .index-item + .index-item {
  border-top: 1px solid var(--line-light);
}

.page-home .index-item a {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num name"
    "num desc";
  column-gap: .9rem;
  padding: .78rem 0;
  text-decoration: none;
  color: var(--paper);
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}

.page-home .index-num {
  grid-area: num;
  font-size: .8rem;
  color: var(--gold);
  padding-top: .15rem;
}

.page-home .index-name {
  grid-area: name;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
}

.page-home .index-desc {
  grid-area: desc;
  font-size: .82rem;
  line-height: 1.6;
  color: rgba(245, 240, 230, .62);
}

@media (hover: hover) {
  .page-home .index-item a:hover {
    color: var(--gold);
    padding-left: .45rem;
  }
}

@media (min-width: 900px) {
  .page-home .open-grid {
    grid-template-columns: minmax(0, 1.34fr) minmax(270px, .82fr);
    gap: 3.6rem;
    align-items: start;
  }

  .page-home .open-index {
    border-top: 0;
    border-left: 1px solid var(--line-light);
    padding-top: .2rem;
    padding-left: 1.7rem;
  }
}

/* ===================== 第二栏：全局入口枢纽 ===================== */
.page-home .home-hub {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 6%, rgba(201, 162, 39, .24), transparent 46%),
    radial-gradient(circle at 6% 96%, rgba(20, 20, 20, .3), transparent 52%),
    var(--cinnabar);
  color: var(--paper);
}

.page-home .hub-shell {
  display: grid;
  gap: 2.2rem;
}

.page-home .hub-kicker {
  color: rgba(245, 240, 230, .78);
  margin: 0;
}

.page-home .hub-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.65rem, 5vw, 2.7rem);
  line-height: 1.2;
  margin: .55rem 0 0;
  text-wrap: balance;
}

.page-home .hub-lead {
  margin: 1rem 0 0;
  max-width: 52ch;
  line-height: 1.85;
  color: rgba(245, 240, 230, .82);
}

.page-home .hub-cards {
  display: grid;
  gap: .9rem;
  margin-top: 1.8rem;
}

.page-home .hub-card {
  display: grid;
  gap: .5rem;
  padding: 1.15rem 1.15rem 1.25rem;
  border: 1px solid rgba(245, 240, 230, .3);
  border-radius: var(--radius-m);
  background: rgba(245, 240, 230, .08);
  color: var(--paper);
  text-decoration: none;
  transition: background .28s var(--ease), border-color .28s var(--ease), transform .28s var(--ease);
}

.page-home .hub-mark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(201, 162, 39, .7);
  border-radius: var(--radius-s);
  font-family: var(--font-serif);
  font-size: .92rem;
  color: var(--gold);
}

.page-home .hub-card-title {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-home .hub-card-text {
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(245, 240, 230, .78);
}

.page-home .hub-card-go {
  margin-top: .2rem;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-home .hub-card-go::after {
  content: " →";
}

@media (hover: hover) {
  .page-home .hub-card:hover {
    background: rgba(245, 240, 230, .16);
    border-color: rgba(245, 240, 230, .6);
    transform: translateY(-4px);
  }
}

.page-home .hub-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-card);
}

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

@media (min-width: 720px) {
  .page-home .hub-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
  }
}

@media (min-width: 1024px) {
  .page-home .hub-shell {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, .8fr);
    gap: 3rem;
    align-items: start;
  }

  .page-home .hub-cards {
    align-items: start;
    gap: 1.2rem 1.3rem;
  }

  .page-home .hub-card:nth-child(2) {
    margin-top: 2.6rem;
  }

  .page-home .hub-card:nth-child(3) {
    margin-top: -.6rem;
  }
}

/* ===================== 换设备同步 ===================== */
.page-home .home-sync {
  background: var(--paper);
}

.page-home .sync-grid {
  display: grid;
  gap: 1.8rem;
}

.page-home .sync-note {
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--celadon);
  background: var(--mist);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
}

.page-home .note-mark {
  margin: 0 0 .5rem;
  font-size: .74rem;
  letter-spacing: var(--track-wide);
  color: var(--celadon);
}

.page-home .sync-note p:last-child {
  margin: 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-home .sync-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.6vw, 2.5rem);
  line-height: 1.22;
  margin: 0;
  text-wrap: balance;
}

.page-home .sync-lead {
  margin: .9rem 0 0;
  max-width: 54ch;
  line-height: 1.85;
  color: var(--stone);
}

.page-home .sync-steps {
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-home .sync-step {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num text";
  column-gap: .95rem;
  padding: 1rem 0 0;
  border-top: 1px solid var(--line);
}

.page-home .step-num {
  grid-area: num;
  font-size: .9rem;
  color: var(--cinnabar);
  padding-top: .2rem;
}

.page-home .step-title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
}

.page-home .step-text {
  grid-area: text;
  margin: .35rem 0 0;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-home .sync-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}

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

@media (min-width: 900px) {
  .page-home .sync-grid {
    grid-template-columns: minmax(180px, .52fr) minmax(0, 1.2fr) minmax(240px, .78fr);
    gap: 2.6rem;
    align-items: start;
  }
}

/* ===================== 产品线与工具 ===================== */
.page-home .home-stack {
  background: var(--mist);
}

.page-home .stack-head {
  align-items: end;
}

.page-home .stack-head-main {
  min-width: 0;
}

.page-home .stack-grid {
  display: grid;
  gap: 1.8rem;
  margin-top: 2rem;
}

.page-home .sub-head {
  margin: 0 0 1rem;
  font-family: var(--font-sans);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: var(--track-wide);
  color: var(--stone);
}

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

.page-home .cat-item {
  display: grid;
  gap: .25rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-home .cat-name {
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 700;
}

.page-home .cat-text {
  font-size: .86rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-home .tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-home .tool-item {
  padding: .42rem .82rem;
  font-size: .82rem;
  line-height: 1.4;
  color: var(--ink-2);
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
}

.page-home .tool-item:nth-child(3n) {
  border-color: rgba(110, 139, 123, .5);
  color: #3f5a4c;
}

.page-home .tool-item:nth-child(4n) {
  border-color: rgba(201, 162, 39, .55);
}

.page-home .stack-media {
  margin: 2rem 0 0;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
}

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

.page-home .stack-go {
  margin: 1.6rem 0 0;
}

@media (min-width: 860px) {
  .page-home .stack-grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 2.4rem;
    align-items: start;
  }
}

/* ===================== 品牌服务对照 ===================== */
.page-home .home-align {
  background: var(--paper);
}

.page-home .align-grid {
  display: grid;
  gap: 2rem;
}

.page-home .align-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.6vw, 2.45rem);
  line-height: 1.24;
  margin: .55rem 0 0;
  text-wrap: balance;
}

.page-home .align-text {
  margin: 1rem 0 0;
  max-width: 54ch;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-home .align-body .btn {
  margin-top: 1.5rem;
}

.page-home .align-facts {
  margin: 0;
  padding: 1.2rem 1.2rem 1.35rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
}

.page-home .align-fact {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: .9rem;
  padding: .72rem 0;
  border-bottom: 1px solid var(--line);
}

.page-home .align-fact:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .fact-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cinnabar);
  letter-spacing: -.01em;
}

.page-home .fact-label {
  margin: 0;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-home .align-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, .72fr);
    gap: 3.2rem;
    align-items: start;
  }
}

/* ===================== 更新节奏与下一步 ===================== */
.page-home .home-flow {
  background: var(--ink);
  color: var(--paper);
}

.page-home .flow-grid {
  display: grid;
  gap: 2rem;
}

.page-home .flow-kicker {
  color: var(--gold);
  margin: 0;
}

.page-home .flow-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.6vw, 2.4rem);
  line-height: 1.24;
  margin: .55rem 0 0;
  text-wrap: balance;
}

.page-home .flow-text {
  margin: 1rem 0 0;
  max-width: 56ch;
  line-height: 1.9;
  color: rgba(245, 240, 230, .76);
}

.page-home .flow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

.page-home .flow-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.page-home .flow-stat {
  display: grid;
  gap: .3rem;
  padding-top: .8rem;
  border-top: 1px solid rgba(201, 162, 39, .55);
}

.page-home .stat-num {
  font-size: clamp(1.6rem, 4.4vw, 2.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-home .stat-label {
  font-size: .78rem;
  letter-spacing: .1em;
  color: rgba(245, 240, 230, .6);
}

@media (min-width: 900px) {
  .page-home .flow-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
    gap: 3.4rem;
    align-items: center;
  }
}
<<<END>>>