.page-home {
  --ph-gap: clamp(18px, 2.4vw, 26px);
  --ph-pad: clamp(20px, 3vw, 32px);
  background: var(--kg-paper);
  color: var(--kg-ink);
}

/* ---------- 首屏：对角斜切双色区 ---------- */
.page-home .ph-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--kg-skin);
  color: var(--kg-on-dark);
}

.page-home .ph-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--kg-flesh);
  clip-path: polygon(58% 0, 100% 0, 100% 100%, 48% 100%);
  z-index: 1;
}

.page-home .ph-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--kg-lime);
  clip-path: polygon(58% 0, 58.2% 0, 48.2% 100%, 48% 100%);
  z-index: 3;
}

.page-home .ph-hero__backdrop {
  position: absolute;
  top: 0;
  right: 0;
  width: 58%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  mix-blend-mode: multiply;
  opacity: 0.34;
  pointer-events: none;
  z-index: 2;
}

.page-home .ph-hero__inner {
  position: relative;
  z-index: 4;
  max-width: var(--kg-max);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 76px) var(--kg-gutter) clamp(40px, 6vw, 68px);
  display: grid;
  gap: clamp(30px, 4vw, 44px);
}

.page-home .ph-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--kg-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--kg-lime);
}

.page-home .ph-hero__title {
  margin: 0 0 18px;
  font-size: clamp(26px, 4.6vw, 44px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  transform: scaleX(0.96);
  transform-origin: left center;
  color: var(--kg-on-dark);
}

.page-home .ph-hero__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.72;
  color: var(--kg-on-dark-muted);
}

.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .ph-hero__vlabel {
  margin: 0 0 4px;
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(16, 19, 15, 0.72);
}

.page-home .ph-version-num {
  margin: 0;
  font-family: var(--kg-mono);
  font-size: clamp(72px, 15vw, 172px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--kg-seed);
  transform: scaleX(0.94);
  transform-origin: left bottom;
}

.page-home .ph-hero__vnote {
  margin: 16px 0 14px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(16, 19, 15, 0.78);
}

.page-home .ph-hero__vlink {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--kg-seed);
  text-decoration: none;
  border-bottom: 2px solid var(--kg-seed);
  padding-bottom: 2px;
}

@media (min-width: 900px) {
  .page-home .ph-hero__inner {
    grid-template-columns: minmax(0, 0.94fr) minmax(0, 1fr);
    align-items: end;
    min-height: 460px;
  }

  .page-home .ph-hero__version {
    text-align: right;
    padding-left: 6%;
  }

  .page-home .ph-version-num {
    transform-origin: right bottom;
  }

  .page-home .ph-hero__vlabel,
  .page-home .ph-hero__vnote {
    margin-left: auto;
  }
}

@media (max-width: 899px) {
  .page-home .ph-hero::before,
  .page-home .ph-hero::after {
    display: none;
  }

  .page-home .ph-hero__backdrop {
    width: 100%;
    opacity: 0.2;
  }

  .page-home .ph-version-num {
    color: var(--kg-lime);
    transform: none;
  }

  .page-home .ph-hero__vlabel,
  .page-home .ph-hero__vnote {
    color: var(--kg-on-dark-muted);
  }

  .page-home .ph-hero__vlink {
    color: var(--kg-lime);
    border-bottom-color: var(--kg-lime);
  }
}

/* ---------- V3.1 版本说明：靛紫全宽色带 ---------- */
.page-home .ph-release {
  background: var(--kg-indigo);
  color: var(--kg-on-dark);
  padding-block: clamp(40px, 6vw, 76px);
}

.page-home .ph-release__head {
  margin-bottom: clamp(24px, 3.4vw, 38px);
  max-width: 34ch;
}

.page-home .ph-release__eyebrow {
  margin: 0 0 12px;
  font-family: var(--kg-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--kg-lime);
}

.page-home .ph-release__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.3;
  font-weight: 800;
  transform: scaleX(0.96);
  transform-origin: left center;
}

.page-home .ph-release__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--ph-gap);
  grid-template-columns: 1fr;
}

.page-home .ph-release__item {
  padding-top: 18px;
  border-top: 1px solid rgba(234, 239, 226, 0.22);
}

.page-home .ph-release__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 9px;
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--kg-seed);
  background: var(--kg-lime);
}

.page-home .ph-release__item-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--kg-on-dark);
}

.page-home .ph-release__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--kg-on-dark-muted);
}

@media (min-width: 820px) {
  .page-home .ph-release__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 3vw, 40px);
  }
}

/* ---------- Bento 信息板 ---------- */
.page-home .ph-board {
  padding-block: clamp(46px, 7vw, 92px);
  background: var(--kg-paper);
}

.page-home .ph-board__head {
  max-width: 52ch;
  margin-bottom: clamp(26px, 3.6vw, 42px);
}

.page-home .ph-board__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  transform: scaleX(0.96);
  transform-origin: left center;
}

.page-home .ph-bento {
  display: grid;
  gap: var(--ph-gap);
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "tl"
    "gauge"
    "index"
    "note";
}

.page-home .ph-bento__tl { grid-area: tl; }
.page-home .ph-bento__gauge { grid-area: gauge; }
.page-home .ph-bento__index { grid-area: index; }
.page-home .ph-bento__note { grid-area: note; }

@media (min-width: 880px) {
  .page-home .ph-bento {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-areas:
      "tl tl gauge gauge"
      "tl tl gauge gauge"
      "index index note note";
  }
}

.page-home .ph-panel {
  padding: var(--ph-pad);
  background: var(--kg-paper);
  color: var(--kg-ink);
  border: 1px solid var(--kg-line);
  border-radius: var(--kg-radius);
}

.page-home .ph-panel--slate {
  background: var(--kg-slate-bg);
  color: var(--kg-slate-ink);
  border-color: rgba(72, 88, 106, 0.24);
}

.page-home .ph-panel--dark {
  background: var(--kg-skin);
  color: var(--kg-on-dark);
  border-color: transparent;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .ph-panel--lime {
  background: var(--kg-lime);
  color: var(--kg-seed);
  border-color: transparent;
}

.page-home .ph-panel__title {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-home .ph-panel__title--dark {
  color: var(--kg-on-dark);
  margin-bottom: 4px;
}

.page-home .ph-label-dark {
  color: var(--kg-lime);
}

.page-home .ph-panel__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 700;
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

/* 时间轴 */
.page-home .ph-timeline {
  list-style: none;
  margin: 0;
  padding: 2px 0 0 26px;
  position: relative;
}

.page-home .ph-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 16px;
  width: 2px;
  background: rgba(72, 88, 106, 0.36);
}

.page-home .ph-log {
  position: relative;
  padding-bottom: 20px;
}

.page-home .ph-log:last-child {
  padding-bottom: 0;
}

.page-home .ph-log::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--kg-lime);
  box-shadow: 0 0 0 3px var(--kg-slate-bg);
}

.page-home .ph-log[data-state="located"]::before {
  background: var(--kg-orange);
}

.page-home .ph-log[data-state="open"]::before {
  background: var(--kg-wine);
  box-shadow: 0 0 0 3px var(--kg-slate-bg), 0 0 0 6px rgba(110, 31, 51, 0.18);
}

.page-home .ph-log__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.page-home .ph-log__state {
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  background: var(--kg-skin);
  color: var(--kg-on-dark);
}

.page-home .ph-log[data-state="restored"] .ph-log__state {
  background: var(--kg-skin);
}

.page-home .ph-log[data-state="located"] .ph-log__state {
  background: var(--kg-orange);
  color: var(--kg-seed);
}

.page-home .ph-log[data-state="open"] .ph-log__state {
  background: var(--kg-wine);
  color: var(--kg-on-dark);
}

.page-home .ph-log__device {
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--kg-slate-ink);
  opacity: 0.85;
}

.page-home .ph-log__title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--kg-seed);
}

.page-home .ph-log__tip {
  margin: 0 0 6px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--kg-slate-ink);
}

.page-home .ph-log__link {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--kg-skin);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* 环形仪表 */
.page-home .ph-gauge {
  position: relative;
  width: min(200px, 68%);
  aspect-ratio: 1;
  margin: 4px auto 6px;
  color: var(--kg-lime);
}

.page-home .ph-gauge::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-conic-gradient(
    from -90deg,
    var(--kg-lime) 0 2.2%,
    transparent 2.2% 5%
  );
  -webkit-mask: radial-gradient(circle at 50% 50%, transparent 0 57%, #000 58% 100%);
  mask: radial-gradient(circle at 50% 50%, transparent 0 57%, #000 58% 100%);
}

.page-home .ph-gauge__center {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  text-align: center;
  color: var(--kg-on-dark);
}

.page-home .ph-gauge__num {
  display: block;
  font-family: var(--kg-mono);
  font-size: clamp(34px, 5vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
}

.page-home .ph-gauge__unit {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--kg-on-dark-muted);
}

.page-home .ph-gauge__cap {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--kg-on-dark-muted);
}

/* 入口索引 */
.page-home .ph-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .ph-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--kg-seed);
  text-decoration: none;
  border-bottom: 1px solid var(--kg-line);
}

.page-home .ph-index li:last-child a {
  border-bottom: none;
}

.page-home .ph-index__no {
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--kg-flesh);
}

.page-home .ph-panel--lime p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(16, 19, 15, 0.82);
}

/* ---------- 过渡带 ---------- */
.page-home .ph-bridge {
  background: var(--kg-slate-bg);
  color: var(--kg-slate-ink);
  padding-block: clamp(36px, 5vw, 64px);
}

.page-home .ph-bridge__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 800px) {
  .page-home .ph-bridge__inner {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  }
}

.page-home .ph-bridge__fig {
  margin: 0;
}

.page-home .ph-bridge__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  mix-blend-mode: multiply;
  opacity: 0.72;
}

.page-home .ph-bridge__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--kg-seed);
  transform: scaleX(0.97);
  transform-origin: left center;
}

.page-home .ph-bridge__copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--kg-slate-ink);
}

/* ---------- 数据面板 ---------- */
.page-home .ph-data {
  position: relative;
  overflow: hidden;
  background: var(--kg-skin);
  color: var(--kg-on-dark);
  padding-block: clamp(50px, 7.5vw, 100px);
}

.page-home .ph-data__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  mix-blend-mode: soft-light;
  opacity: 0.4;
  pointer-events: none;
}

.page-home .ph-data__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 4.6vw, 58px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

@media (min-width: 920px) {
  .page-home .ph-data__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

.page-home .ph-data__eyebrow {
  margin: 0 0 12px;
  font-family: var(--kg-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--kg-lime);
}

.page-home .ph-data__title {
  margin: 0 0 16px;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.26;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--kg-on-dark);
  transform: scaleX(0.96);
  transform-origin: left center;
}

.page-home .ph-data__copy > p {
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--kg-on-dark-muted);
}

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

.page-home .ph-data__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--kg-on-dark-muted);
}

.page-home .ph-data__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kg-lime);
}

.page-home .ph-data__viz {
  display: grid;
  gap: 18px;
}

.page-home .ph-scatter {
  display: block;
  width: 100%;
  height: auto;
  color: var(--kg-on-dark);
  background: rgba(247, 245, 238, 0.06);
  border: 1px solid rgba(234, 239, 226, 0.16);
  padding: 10px;
  box-sizing: border-box;
}

.page-home .ph-scatter__dot {
  fill: var(--kg-lime);
  opacity: 0.75;
}

.page-home .ph-scatter__dot--hot {
  fill: var(--kg-orange);
  opacity: 1;
}

.page-home .ph-data__fig {
  margin: 0;
}

.page-home .ph-data__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(234, 239, 226, 0.2);
}

.page-home .ph-data__fig figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(247, 245, 238, 0.6);
}

/* ---------- 按设备找入口 ---------- */
.page-home .ph-devices {
  padding-block: clamp(46px, 7vw, 92px);
  background: var(--kg-paper);
}

.page-home .ph-devices__head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
  max-width: 40ch;
}

.page-home .ph-devices__title {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.26;
  font-weight: 800;
  transform: scaleX(0.96);
  transform-origin: left center;
}

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

@media (min-width: 680px) {
  .page-home .ph-devices__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .ph-devices__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .ph-device {
  padding-top: 16px;
  border-top: 3px solid var(--ph-accent, var(--kg-flesh));
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-home .ph-device--desktop { --ph-accent: var(--kg-flesh); }
.page-home .ph-device--ios { --ph-accent: var(--kg-lime); }
.page-home .ph-device--android { --ph-accent: var(--kg-orange); }
.page-home .ph-device--web { --ph-accent: var(--kg-indigo); }

.page-home .ph-device__name {
  margin: 0;
  font-family: var(--kg-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--kg-seed);
}

.page-home .ph-device__where {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--kg-ink-soft);
}

.page-home .ph-device__what {
  margin: 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--kg-slate-ink);
  padding: 8px 10px;
  background: var(--kg-slate-bg);
}

.page-home .ph-device__link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--kg-skin);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  align-self: flex-start;
}

/* ---------- 反馈与联系 ---------- */
.page-home .ph-contact {
  padding-block: clamp(56px, 9vw, 120px);
  background: var(--kg-paper);
}

.page-home .ph-contact__inner {
  display: grid;
  gap: clamp(30px, 4.4vw, 60px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

@media (min-width: 880px) {
  .page-home .ph-contact__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

.page-home .ph-contact__title {
  margin: 10px 0 16px;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  transform: scaleX(0.96);
  transform-origin: left center;
}

.page-home .ph-contact__copy p {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--kg-ink-soft);
}

.page-home .ph-channel {
  margin: 0 0 18px;
  padding: 0;
}

.page-home .ph-channel dt {
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--kg-flesh);
  margin-bottom: 4px;
}

.page-home .ph-channel dd {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--kg-seed);
  word-break: break-word;
}

.page-home .ph-contact__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--kg-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--kg-slate-ink);
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-version-num,
  .page-home .ph-hero__title,
  .page-home .ph-data__title,
  .page-home .ph-bridge__title {
    transform: none;
  }
}
<<<END>>>