.page-home {
  --ph-sub: #93A3B8;
  --ph-grid-line: rgba(232, 238, 246, .045);
  --ph-cyan-soft: rgba(44, 232, 224, .13);
  --ph-violet-soft: rgba(122, 77, 255, .16);
  position: relative;
  padding-top: calc(var(--header-h) + 8px);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, var(--ph-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ph-grid-line) 1px, transparent 1px);
  background-size: 8px 8px;
}

.page-home .ph-sec {
  position: relative;
  padding: 64px 0;
}

.page-home .ph-sec-head {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}

.page-home .ph-sec-head::after {
  content: "";
  display: block;
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: width .22s var(--ease);
}

.page-home .ph-sec:hover .ph-sec-head::after {
  width: 132px;
}

.page-home .ph-sec-index {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-home .ph-sec-title {
  margin: 0;
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--fog);
}

.page-home .ph-sec-note {
  margin: 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ph-sub);
}

.page-home .ph-wedge {
  height: 2px;
  margin: 0 var(--gut);
  background: linear-gradient(90deg, transparent, var(--cyan) 30%, var(--violet) 70%, transparent);
  transform: skewY(-1.1deg);
  opacity: .45;
}

/* ---------- 01 索引板 ---------- */
.page-home .ph-board {
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-home .ph-board > .container {
  position: relative;
  z-index: 1;
}

.page-home .ph-board::before {
  content: "";
  position: absolute;
  top: -80px;
  left: -14%;
  width: min(720px, 88vw);
  height: 620px;
  background: radial-gradient(circle at 24% 20%, var(--ph-cyan-soft), transparent 62%);
  pointer-events: none;
}

.page-home .breadcrumb {
  margin-bottom: 28px;
}

.page-home .ph-board__title {
  margin: 18px 0 0;
  font-size: clamp(40px, 8.6vw, 84px);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--fog);
  background-image: linear-gradient(98deg, var(--fog) 0%, var(--fog) 48%, var(--cyan) 80%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-home .ph-board__intro {
  margin: 26px 0 0;
  max-width: 42ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .ph-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-home .ph-jump a {
  position: relative;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--ph-sub);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-home .ph-jump a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1px;
  background: var(--cyan);
  transition: width .2s var(--ease);
}

.page-home .ph-jump a:hover,
.page-home .ph-jump a:focus-visible {
  color: var(--cyan);
}

.page-home .ph-jump a:hover::after,
.page-home .ph-jump a:focus-visible::after {
  width: 100%;
}

.page-home .ph-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  margin-top: 52px;
}

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

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

.page-home .ph-index__link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 22px 4px 22px 0;
  color: var(--fog);
  text-decoration: none;
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}

.page-home .ph-index__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .2s var(--ease);
}

.page-home .ph-index__link:hover,
.page-home .ph-index__link:focus-visible {
  color: var(--cyan);
  padding-left: 14px;
}

.page-home .ph-index__link:hover::before,
.page-home .ph-index__link:focus-visible::before {
  transform: scaleY(1);
}

.page-home .ph-index__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 6px;
}

.page-home .ph-index__body {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.page-home .ph-index__name {
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-home .ph-index__desc {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ph-sub);
  max-width: 48ch;
}

.page-home .ph-index__arrow {
  font-size: 17px;
  line-height: 1;
  padding-top: 6px;
  color: var(--slate);
  transition: transform .18s var(--ease), color .18s var(--ease);
}

.page-home .ph-index__link:hover .ph-index__arrow,
.page-home .ph-index__link:focus-visible .ph-index__arrow {
  color: var(--cyan);
  transform: translateX(4px);
}

.page-home .ph-board__aside {
  position: relative;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-home .ph-board__aside::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent 72%);
}

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

.page-home .ph-frame__caption {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ph-sub);
}

.page-home .ph-board__vnote {
  display: none;
}

/* ---------- 02 更新看点 ---------- */
.page-home .ph-update__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-home .ph-change {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-home .ph-change:last-child {
  border-bottom: 1px solid var(--line);
}

.page-home .ph-change__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--violet);
  padding-top: 4px;
}

.page-home .ph-change__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--fog);
}

.page-home .ph-change__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ph-sub);
}

.page-home .ph-update__aside {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-home .ph-frame {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

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

.page-home .ph-adapt {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(122, 77, 255, .10), transparent 70%);
}

.page-home .ph-adapt__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--violet);
}

.page-home .ph-adapt__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .ph-adapt__list li {
  padding: 5px 11px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--fog);
}

.page-home .ph-notice {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 40px 0 0;
  padding: 24px 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-home .ph-notice li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--fog);
}

.page-home .ph-notice .mono {
  font-size: 12.5px;
  color: var(--cyan);
  padding-top: 3px;
}

/* ---------- 03 为什么在这儿找 ---------- */
.page-home .ph-why__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

.page-home .ph-why__item {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-home .ph-why__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-home .ph-why__unit {
  display: inline-block;
  margin-left: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--ph-sub);
  vertical-align: middle;
}

.page-home .ph-why__title {
  margin: 14px 0 8px;
  font-size: 18px;
  font-weight: 800;
  color: var(--fog);
}

.page-home .ph-why__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ph-sub);
}

/* ---------- 04 案例对照 ---------- */
.page-home .ph-cases {
  display: grid;
  gap: 26px;
}

.page-home .ph-case {
  position: relative;
  padding: 24px 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  transition: border-color .2s var(--ease);
}

.page-home .ph-case:hover {
  border-color: rgba(44, 232, 224, .42);
}

.page-home .ph-case::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 26px;
  height: 26px;
  border-top: 2px solid var(--cyan);
  border-left: 2px solid var(--cyan);
  opacity: .85;
}

.page-home .ph-case__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.page-home .ph-case__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-home .ph-case__title {
  margin: 0;
  font-size: clamp(17px, 2.3vw, 21px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--fog);
}

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

.page-home .ph-side {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  background: rgba(232, 238, 246, .022);
}

.page-home .ph-side__tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--mist);
  border: 1px solid var(--line);
}

.page-home .ph-side--b .ph-side__tag {
  color: var(--cyan);
  border-color: rgba(44, 232, 224, .4);
}

.page-home .ph-side__meta {
  margin: 0;
  display: grid;
  gap: 9px;
}

.page-home .ph-side__meta > div {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
}

.page-home .ph-side__meta dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--ph-sub);
  padding-top: 3px;
}

.page-home .ph-side__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--fog);
}

.page-home .ph-case__verdict {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-home .ph-frame--wide {
  margin-top: 40px;
}

/* ---------- 05 更新线索 ---------- */
.page-home .ph-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .ph-timeline__item {
  position: relative;
  padding: 20px 0 20px 24px;
  border-left: 1px solid var(--line);
  border-bottom: 1px dashed rgba(26, 35, 48, .95);
  transition: background-color .18s var(--ease);
}

.page-home .ph-timeline__item:last-child {
  border-bottom: none;
}

.page-home .ph-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 27px;
  width: 9px;
  height: 9px;
  background: var(--ink);
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: background-color .2s var(--ease);
}

.page-home .ph-timeline__item:hover::before {
  background: var(--cyan);
}

.page-home .ph-timeline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-home .ph-timeline__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .ph-timeline__item .tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  padding: 2px 8px;
  border: 1px solid var(--line);
}

.page-home .ph-timeline__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ph-sub);
  max-width: 52ch;
  transition: color .18s var(--ease);
}

.page-home .ph-timeline__item:hover .ph-timeline__text {
  color: var(--fog);
}

/* ---------- 06 高频问题 ---------- */
.page-home .ph-faq {
  display: grid;
  gap: 10px;
}

.page-home .ph-faq .accordion__item {
  border: 1px solid var(--line);
  background: var(--ink-2);
  transition: border-color .2s var(--ease);
}

.page-home .ph-faq .accordion__item[open] {
  border-color: rgba(44, 232, 224, .4);
}

.page-home .ph-faq .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fog);
  list-style: none;
}

.page-home .ph-faq .accordion__trigger::-webkit-details-marker {
  display: none;
}

.page-home .ph-faq .accordion__trigger::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .2s var(--ease);
}

.page-home .ph-faq .accordion__item[open] .accordion__trigger::after {
  transform: rotate(45deg);
}

.page-home .ph-faq .accordion__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-home .ph-faq .accordion__panel {
  padding: 0 18px 20px 44px;
}

.page-home .ph-faq .accordion__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ph-sub);
}

/* ---------- 全宽视觉带 ---------- */
.page-home .ph-band-figure {
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
}

.page-home .ph-band-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-home .ph-band-figure figcaption {
  padding: 14px var(--gut);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ph-sub);
}

/* ---------- 07 下载与咨询 ---------- */
.page-home .ph-cta {
  padding: 72px 0 88px;
  background-image: radial-gradient(circle at 12% 30%, var(--ph-violet-soft), transparent 58%);
}

.page-home .ph-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-home .ph-cta__text {
  margin: 20px 0 0;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ph-sub);
}

.page-home .ph-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .ph-contact {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
  align-self: start;
}

.page-home .ph-contact__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .ph-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-home .ph-contact__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fog);
  word-break: break-all;
}

.page-home .ph-contact__val.mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

@media (min-width: 760px) {
  .page-home .ph-sec {
    padding: 80px 0;
  }

  .page-home .ph-notice {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px 28px;
    padding: 26px 24px;
  }

  .page-home .ph-notice li {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

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

  .page-home .ph-side {
    border: none;
    background: transparent;
    padding: 4px 20px 4px 18px;
  }

  .page-home .ph-side:first-child {
    padding-left: 0;
  }

  .page-home .ph-side--b {
    border-left: 1px dashed var(--line);
  }

  .page-home .ph-timeline__item {
    padding-left: 32px;
  }
}

@media (min-width: 1000px) {
  .page-home .ph-sec {
    padding: 96px 0;
  }

  .page-home .ph-board {
    padding-top: 48px;
    padding-bottom: 96px;
  }

  .page-home .ph-board__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .ph-board__aside {
    margin-top: 32px;
    transform: rotate(-1.2deg);
    transition: transform .24s var(--ease), border-color .24s var(--ease);
  }

  .page-home .ph-board__aside:hover {
    transform: rotate(0deg);
    border-color: rgba(44, 232, 224, .42);
  }

  .page-home .ph-board__vnote {
    display: block;
    position: absolute;
    left: -40px;
    top: 0;
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: .3em;
    color: var(--slate);
  }

  .page-home .ph-update__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 56px;
    align-items: start;
  }

  .page-home .ph-why__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px 56px;
  }

  .page-home .ph-why__item:nth-child(2),
  .page-home .ph-why__item:nth-child(4) {
    margin-top: 56px;
  }

  .page-home .ph-cases {
    gap: 34px;
  }

  .page-home .ph-case {
    padding: 28px 28px 30px;
  }

  .page-home .ph-cta__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-home .ph-board__title {
    max-width: 15ch;
  }
}
<<<END>>>