.page-home {
  --home-cream: #F4E7CD;
  --home-cool: #DCE9EF;
  --home-veil: rgba(14, 42, 51, .78);
}

/* ---------- 首屏框景 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  border-bottom: var(--frame) solid var(--ink);
  padding: clamp(18px, 3.5vw, 34px) 0 clamp(30px, 5vw, 58px);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.65) contrast(1.05);
  z-index: 0;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(155deg, rgba(14, 42, 51, .94) 0%, rgba(14, 42, 51, .76) 48%, rgba(15, 110, 140, .58) 100%);
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
}

.page-home .hero .breadcrumb__item,
.page-home .hero .breadcrumb__current {
  color: rgba(247, 248, 248, .72);
}

.page-home .hero__frame {
  position: relative;
  border: var(--frame) solid rgba(247, 248, 248, .82);
  padding: clamp(20px, 3.4vw, 44px);
  margin-top: 10px;
}

.page-home .hero__frame::before,
.page-home .hero__frame::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  height: 9px;
  background-image: repeating-linear-gradient(90deg, rgba(23, 176, 196, .95) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-home .hero__frame::before { top: -8px; }
.page-home .hero__frame::after { bottom: -8px; }

.page-home .hero__grid {
  display: grid;
  gap: 26px;
}

@media (min-width: 940px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(230px, .65fr);
    gap: 44px;
    align-items: end;
  }
}

.page-home .hero__tag {
  margin: 0 0 14px;
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.4vw, 3.05rem);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .hero__lead {
  margin: 0 0 22px;
  max-width: 46em;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: rgba(247, 248, 248, .88);
}

.page-home .hero__actions {
  margin: 0;
  gap: 12px;
}

.page-home .hero .btn--ghost {
  color: var(--paper);
  border-color: rgba(247, 248, 248, .7);
  background: transparent;
}

.page-home .hero__facts {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(247, 248, 248, .3);
  border: 1px solid rgba(247, 248, 248, .3);
}

.page-home .hero__fact {
  background: rgba(14, 42, 51, .72);
  padding: 14px 14px 16px;
}

.page-home .hero__fact-num {
  display: block;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  color: var(--cyan);
  letter-spacing: .02em;
}

.page-home .hero__fact-label {
  display: block;
  margin-top: 4px;
  font-size: .8125rem;
  line-height: 1.5;
  color: rgba(247, 248, 248, .74);
}

/* ---------- 通用区块底色 ---------- */

.page-home .snap-sec { background: var(--mist); }
.page-home .services { background: var(--paper); }
.page-home .versions { background: var(--mist); }
.page-home .member { background: var(--paper-dim); }

.page-home .cases {
  background: linear-gradient(180deg, var(--paper) 0%, var(--home-cream) 100%);
}

.page-home .section__note {
  max-width: 46em;
}

/* ---------- 筛选条 ---------- */

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
}

.page-home .filter-bar__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-right: 4px;
}

.page-home .filter-btn {
  appearance: none;
  font-family: var(--font-body);
  font-size: .875rem;
  line-height: 1.2;
  padding: 8px 15px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

.page-home .filter-btn:hover { transform: translateY(-2px); }

.page-home .filter-btn.is-active {
  background: var(--peacock);
  border-color: var(--peacock);
  color: var(--paper);
}

/* ---------- 快照时间轴 ---------- */

.page-home .snap-list {
  position: relative;
  padding-left: 30px;
  display: grid;
  gap: 18px;
}

.page-home .snap-list::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan) 0%, var(--line) 42%, var(--line) 100%);
}

.page-home .snap {
  position: relative;
  border: var(--frame) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-hard-sm);
  transition: box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.page-home .snap::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 26px;
  width: 13px;
  height: 13px;
  background: var(--cyan);
  border: 3px solid var(--ink);
}

.page-home .snap[open] {
  border-color: var(--peacock);
  box-shadow: var(--shadow-hard);
}

.page-home .snap[open]::before { background: var(--peacock); }

.page-home .snap__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 15px;
}

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

.page-home .snap__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-home .snap__no {
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--peacock);
  padding: 3px 8px;
}

.page-home .snap__when {
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--ochre);
}

.page-home .snap__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .snap__more {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-home .snap__more p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 案例瀑布流 ---------- */

.page-home .case-grid {
  column-count: 1;
  column-gap: 18px;
}

@media (min-width: 720px) {
  .page-home .case-grid { column-count: 2; }
}

@media (min-width: 1080px) {
  .page-home .case-grid { column-count: 3; }
}

.page-home .case {
  break-inside: avoid;
  margin: 0 0 18px;
  border: var(--frame) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-home .case:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.page-home .case__img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 2px solid var(--ink);
}

.page-home .case__visual {
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 14px;
  min-height: 148px;
  border-bottom: 2px solid var(--ink);
}

.page-home .case__visual--cool {
  background:
    repeating-linear-gradient(135deg, rgba(23, 176, 196, .16) 0 10px, transparent 10px 20px),
    linear-gradient(155deg, var(--home-cool), var(--paper));
}

.page-home .case__visual--warm {
  background:
    repeating-linear-gradient(135deg, rgba(194, 94, 42, .16) 0 10px, transparent 10px 20px),
    linear-gradient(155deg, var(--home-cream), var(--paper));
}

.page-home .case__visual--ochre {
  background:
    repeating-linear-gradient(135deg, rgba(216, 166, 60, .22) 0 10px, transparent 10px 20px),
    linear-gradient(155deg, #F0DEC0, var(--paper));
}

.page-home .case__visual--deep {
  background:
    repeating-linear-gradient(135deg, rgba(15, 110, 140, .2) 0 10px, transparent 10px 20px),
    linear-gradient(155deg, #CFDFE6, var(--paper));
}

.page-home .case__body {
  padding: 16px 16px 18px;
}

.page-home .case__coord {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--paper);
  background: var(--ochre);
  padding: 3px 8px;
  margin-bottom: 10px;
}

.page-home .case--feature .case__coord { background: var(--peacock); }

.page-home .case__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.0625rem;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .case__desc {
  margin: 0 0 12px;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .case__meta {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--peacock);
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

/* ---------- 服务模块分层入口 ---------- */

.page-home .svc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--frame) solid var(--ink);
}

.page-home .svc {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background 240ms var(--ease), padding-left 240ms var(--ease);
}

.page-home .svc:hover {
  background: var(--mist);
  padding-left: 12px;
}

.page-home .svc__no {
  flex: 0 0 auto;
  width: 54px;
  font-size: 1.5rem;
  color: var(--peacock);
  letter-spacing: .04em;
}

.page-home .svc__body {
  flex: 1 1 260px;
  min-width: 0;
}

.page-home .svc__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.125rem;
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-bottom: 5px;
}

.page-home .svc__desc {
  display: block;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .svc__link {
  flex: 0 0 auto;
  margin-left: auto;
  font-size: .875rem;
  color: var(--ochre);
  text-decoration: none;
  border-bottom: 2px solid var(--ochre);
  padding-bottom: 2px;
}

.page-home .svc__link:hover { color: var(--peacock); border-color: var(--peacock); }

/* ---------- 会员权益面板 ---------- */

.page-home .member__inner {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-home .member__inner {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
    gap: 46px;
    align-items: start;
  }
}

.page-home .member__copy p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-home .device-switch {
  display: inline-flex;
  margin: 6px 0 14px;
  border: var(--frame) solid var(--ink);
  background: var(--paper);
}

.page-home .device-switch__btn {
  padding: 9px 20px;
  font-size: .875rem;
  cursor: pointer;
  color: var(--ink);
  border-right: 2px solid var(--ink);
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-home .device-switch__btn:last-child { border-right: 0; }

.page-home #dev-mobile:checked ~ .member__copy .device-switch__btn[for="dev-mobile"],
.page-home #dev-desktop:checked ~ .member__copy .device-switch__btn[for="dev-desktop"] {
  background: var(--peacock);
  color: var(--paper);
}

.page-home #dev-desktop:checked ~ .member__copy .member__hint::after { content: ""; }

.page-home .member__hint {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--ochre);
}

.page-home .member__panel {
  position: relative;
}

.page-home .shot {
  border: var(--frame) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  padding: 12px;
}

.page-home .shot--mobile {
  display: none;
  max-width: 320px;
  margin: 0 auto;
}

.page-home .shot--desktop { display: none; }

.page-home #dev-mobile:checked ~ .member__panel .shot--mobile { display: block; }
.page-home #dev-desktop:checked ~ .member__panel .shot--desktop { display: block; }

.page-home .shot--mobile img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .shot__bar {
  display: block;
  height: 22px;
  border: 2px solid var(--ink);
  background: repeating-linear-gradient(90deg, var(--mist) 0 18px, var(--paper) 18px 36px);
  margin-bottom: 12px;
}

.page-home .shot__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.page-home .shot__grid span {
  display: block;
  height: 56px;
  border: 2px solid var(--line);
  background: linear-gradient(150deg, var(--home-cool), var(--paper));
}

.page-home .shot__grid span:nth-child(2) { background: linear-gradient(150deg, var(--home-cream), var(--paper)); }
.page-home .shot__grid span:nth-child(3) { background: linear-gradient(150deg, #E3EDF1, var(--paper)); }
.page-home .shot__grid span:nth-child(4) { background: linear-gradient(150deg, #F1E3C6, var(--paper)); }

.page-home .shot__caption {
  display: block;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--peacock);
}

/* ---------- 版本对照 ---------- */

.page-home .ver-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 900px) {
  .page-home .ver-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }
}

.page-home .ver-figure {
  margin: 0;
  border: var(--frame) solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-home .ver-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 2px solid var(--ink);
}

.page-home .ver-figure__caption {
  display: block;
  padding: 10px 14px;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--ink-soft);
}

.page-home .ver-actions {
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 咨询收束 ---------- */

.page-home .consult {
  background: var(--deep);
  color: var(--paper);
  border-top: var(--frame) solid var(--ink);
}

.page-home .consult__inner {
  display: grid;
  gap: 30px;
}

@media (min-width: 900px) {
  .page-home .consult__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 420px);
    gap: 46px;
    align-items: start;
  }
}

.page-home .consult .section__title { color: var(--paper); }

.page-home .consult__copy > p {
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(247, 248, 248, .84);
}

.page-home .consult__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-home .consult__list li {
  position: relative;
  padding: 10px 0 10px 22px;
  border-bottom: 1px solid rgba(247, 248, 248, .16);
  font-size: .9375rem;
  line-height: 1.7;
  color: rgba(247, 248, 248, .86);
}

.page-home .consult__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 3px;
  background: var(--cyan);
}

.page-home .consult__team {
  margin: 0;
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-home .consult__card {
  border: var(--frame) solid rgba(247, 248, 248, .82);
  background: rgba(14, 42, 51, .6);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-home .consult__card .ledger__row {
  border-bottom: 1px solid rgba(247, 248, 248, .18);
}

.page-home .consult__card .ledger__key {
  color: rgba(247, 248, 248, .6);
}

.page-home .consult__card .ledger__val {
  color: var(--paper);
  word-break: break-word;
}

.page-home .consult__note {
  margin: 18px 0 20px;
  font-size: .875rem;
  line-height: 1.72;
  color: rgba(247, 248, 248, .74);
}

/* ---------- 窄屏保护 ---------- */

@media (max-width: 560px) {
  .page-home .snap-list { padding-left: 22px; }
  .page-home .snap-list::before { left: 7px; }
  .page-home .snap::before { left: -20px; width: 11px; height: 11px; }
  .page-home .hero__facts { grid-template-columns: minmax(0, 1fr); }
  .page-home .svc__link { margin-left: 0; }
  .page-home .device-switch__btn { padding: 9px 14px; font-size: .8125rem; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .snap,
  .page-home .case,
  .page-home .svc,
  .page-home .filter-btn {
    transition: none;
  }
  .page-home .case:hover { transform: none; }
  .page-home .svc:hover { padding-left: 0; }
}
<<<END>>>