.page-home {
  --ph-cut: 18px;
  --ph-grain: rgba(107, 101, 89, .07);
}

/* ---------- 首屏 ---------- */
.page-home .ph-hero {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(30px, 4.4vw, 56px);
  position: relative;
  overflow: hidden;
}

.page-home .ph-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--ice-deep) 0%, var(--ice) 40%, var(--field) 66%, var(--signal) 100%);
  opacity: .9;
}

.page-home .ph-hero__crumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-home .ph-collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-home .ph-collage__main {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
  min-height: 320px;
  padding: clamp(26px, 3.6vw, 50px);
  color: #fff;
  background: linear-gradient(155deg, var(--ice-deep) 0%, #123F5C 54%, var(--ice) 100%);
  clip-path: var(--cut-corner);
  overflow: hidden;
}

.page-home .ph-collage__main::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 14%;
  width: 68%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(232, 85, 45, .8), transparent);
  transform: rotate(-15deg);
  pointer-events: none;
}

.page-home .ph-collage__main h1 {
  margin: 0;
  font-size: clamp(2.1rem, 5.6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.02em;
}

.page-home .ph-collage__main .lede {
  max-width: 34em;
  margin: 0;
  color: rgba(255, 255, 255, .88);
}

.page-home .ph-collage__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-home .ph-btn-ghost-light {
  color: #fff;
  border-color: rgba(255, 255, 255, .55);
}

.page-home .ph-btn-ghost-light:hover {
  background: rgba(255, 255, 255, .14);
}

.page-home .ph-collage__side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.8vw, 32px);
  clip-path: var(--cut-corner);
}

.page-home .ph-collage__side h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.2;
}

.page-home .ph-collage__side p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.page-home .ph-collage__side--a {
  background: var(--ice-light);
  color: var(--ink);
  border-left: 5px solid var(--ice);
}

.page-home .ph-collage__side--b {
  background: var(--moss);
  color: var(--ink);
  border-left: 5px solid var(--field);
}

.page-home .ph-collage__fig {
  position: relative;
  margin: 0;
  clip-path: polygon(0 var(--ph-cut), var(--ph-cut) 0, 100% 0, 100% 100%, 0 100%);
  background: var(--ice-deep);
  overflow: hidden;
}

.page-home .ph-collage__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 620;
  object-fit: cover;
}

.page-home .ph-collage__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 26px 20px 14px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, .94);
  background: linear-gradient(180deg, transparent, rgba(14, 58, 85, .85));
}

@media (min-width: 860px) {
  .page-home .ph-collage {
    grid-template-columns: 1.55fr 1fr;
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "main side-a"
      "main side-b"
      "fig fig";
    align-items: stretch;
  }

  .page-home .ph-collage__main { grid-area: main; }
  .page-home .ph-collage__side--a { grid-area: side-a; }
  .page-home .ph-collage__side--b { grid-area: side-b; }
  .page-home .ph-collage__fig { grid-area: fig; }
}

/* ---------- 通用小件 ---------- */
.page-home .kicker--dark { color: var(--field); }
.page-home .kicker--light { color: var(--ice-light); }

.page-home .ph-link {
  align-self: flex-start;
  margin-top: auto;
  font-weight: 700;
  font-size: 14px;
  color: var(--ice-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
  transition: color .2s var(--ease);
}

.page-home .ph-link:hover { color: var(--signal); }

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

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

.page-home .ph-fig--cut img {
  clip-path: var(--cut-corner);
}

.page-home .ph-fig--wide img {
  aspect-ratio: 900 / 520;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%);
}

.page-home .ph-fig--cut img { aspect-ratio: 820 / 460; }

.page-home .ph-nums {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  border-top: 2px solid rgba(28, 108, 153, .28);
  padding-top: 18px;
}

.page-home .ph-nums li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-home .ph-nums .num {
  font-family: var(--font-cond);
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ice-deep);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-nums__label {
  font-size: 13px;
  color: var(--rock);
  line-height: 1.5;
}

/* ---------- 适配总入口 ---------- */
.page-home .ph-adapt { position: relative; }

.page-home .ph-adapt__main h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.12;
  margin: 8px 0 16px;
}

.page-home .ph-adapt__main p {
  margin: 0 0 14px;
  max-width: 36em;
}

.page-home .ph-adapt__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-home .ph-adapt__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: clamp(24px, 3vw, 0px);
}

.page-home .ph-note {
  padding: 18px 20px;
  background: var(--paper);
  border-left: 5px solid var(--signal);
  clip-path: var(--cut-corner);
}

.page-home .ph-note p {
  margin: 8px 0 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

@media (min-width: 960px) {
  .page-home .ph-adapt__aside { margin-top: 46px; }
}

/* ---------- 四条主线 ---------- */
.page-home .ph-tracks__head {
  max-width: 44rem;
}

.page-home .ph-tracks__head h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin: 8px 0 12px;
}

.page-home .ph-tracks .ph-fig--wide {
  margin: clamp(22px, 3vw, 34px) 0 clamp(24px, 3.4vw, 40px);
}

.page-home .ph-tracks__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .ph-track {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no who"
    "body body"
    "go go";
  gap: 10px 14px;
  align-items: center;
  padding: 20px 18px 20px 22px;
  background: var(--paper);
  border-left: 6px solid var(--ice);
  clip-path: var(--cut-corner);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-home .ph-track:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 0 -6px rgba(28, 108, 153, .2);
}

.page-home .ph-track--ice { border-left-color: var(--ice); }
.page-home .ph-track--field { border-left-color: var(--field); }
.page-home .ph-track--moss { border-left-color: var(--moss); }
.page-home .ph-track--clay { border-left-color: var(--clay); }

.page-home .ph-track__no {
  grid-area: no;
  font-family: var(--font-cond);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--rock);
  line-height: 1;
}

.page-home .ph-track__who {
  grid-area: who;
  justify-self: end;
  font-family: var(--font-cond);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--rock);
  border: 1px solid rgba(107, 101, 89, .4);
  padding: 3px 9px;
  white-space: nowrap;
}

.page-home .ph-track__body {
  grid-area: body;
}

.page-home .ph-track__body h3 {
  margin: 0 0 6px;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-home .ph-track__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .ph-track__go {
  grid-area: go;
  justify-self: start;
  font-size: 14px;
  font-weight: 700;
  color: var(--ice-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}

.page-home .ph-track__go:hover { color: var(--signal); }

@media (min-width: 900px) {
  .page-home .ph-tracks__list {
    gap: 0;
    border-top: 1px solid rgba(107, 101, 89, .28);
  }

  .page-home .ph-track {
    grid-template-columns: 64px minmax(220px, 1fr) minmax(280px, 1.6fr) auto;
    grid-template-areas: "no .page-home who go";
    gap: 22px;
    padding: 22px 26px 22px 22px;
    background: transparent;
    border-left-width: 6px;
    clip-path: none;
    border-top: 1px solid rgba(107, 101, 89, .18);
  }

  .page-home .ph-track:first-child { border-top: 0; }

  .page-home .ph-track:hover {
    transform: none;
    box-shadow: none;
    background: rgba(211, 230, 240, .45);
  }

  .page-home .ph-track__who { justify-self: start; }
}

/* ---------- 吉林本地 ---------- */
.page-home .ph-jilin__grid {
  align-items: start;
}

.page-home .ph-jilin__copy h2 {
  font-size: clamp(1.6rem, 3.3vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
  margin: 8px 0 14px;
  color: #0F2A1C;
}

.page-home .ph-jilin__copy p {
  margin: 0 0 14px;
  color: #16301F;
  max-width: 36em;
}

.page-home .ph-jilin__copy .btn {
  margin-top: 8px;
}

.page-home .ph-jilin__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: clamp(24px, 3vw, 0px);
}

.page-home .ph-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 16px;
  background: rgba(245, 242, 233, .86);
  border-top: 3px solid var(--ice-deep);
  clip-path: var(--cut-top);
}

.page-home .ph-stat--wide {
  grid-column: span 2;
}

.page-home .ph-stat .num {
  font-family: var(--font-cond);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ice-deep);
  font-variant-numeric: tabular-nums;
}

.page-home .ph-stat__label {
  font-size: 13px;
  color: var(--rock);
  line-height: 1.5;
}

/* ---------- 版本节奏 ---------- */
.page-home .ph-versions__copy h2 {
  font-size: clamp(1.6rem, 3.3vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
  margin: 8px 0 14px;
}

.page-home .ph-versions__copy p {
  margin: 0 0 18px;
  max-width: 36em;
}

.page-home .ph-cycle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(18px, 3vw, 32px);
  margin: 8px 0 24px;
}

.page-home .ph-ring {
  width: clamp(96px, 14vw, 132px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: conic-gradient(
    var(--ice) 0 25%,
    var(--field) 25% 50%,
    var(--clay) 50% 75%,
    var(--signal) 75% 100%
  );
  -webkit-mask: radial-gradient(circle, transparent 54%, #000 55%);
  mask: radial-gradient(circle, transparent 54%, #000 55%);
}

.page-home .ph-cycle__legend {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  font-size: 13.5px;
  color: var(--rock);
}

.page-home .ph-cycle__legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-home .ph-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  transform: rotate(45deg);
  display: inline-block;
}

.page-home .ph-dot--ice { background: var(--ice); }
.page-home .ph-dot--field { background: var(--field); }
.page-home .ph-dot--clay { background: var(--clay); }
.page-home .ph-dot--signal { background: var(--signal); }

.page-home .ph-versions__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: clamp(24px, 3vw, 0px);
}

.page-home .ph-versions__note {
  margin: 0;
  padding-left: 16px;
  border-left: 3px solid var(--moss);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

@media (min-width: 960px) {
  .page-home .ph-versions__aside { margin-top: 40px; }
}

/* ---------- 常见对照速览 ---------- */
.page-home .ph-faq__list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(107, 101, 89, .28);
}

.page-home .ph-faq__item {
  padding: 20px 0;
  border-bottom: 1px solid rgba(107, 101, 89, .22);
  display: grid;
  gap: 8px;
}

.page-home .ph-faq__item dt {
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -.005em;
  color: var(--ice-deep);
  display: flex;
  gap: 10px;
}

.page-home .ph-faq__item dt::before {
  content: "Q";
  font-family: var(--font-cond);
  font-weight: 600;
  font-size: 1rem;
  color: var(--signal);
  line-height: 1.45;
}

.page-home .ph-faq__item dd {
  margin: 0;
  padding-left: 24px;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 60em;
}

.page-home .ph-faq__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 26px;
}

.page-home .ph-faq__acts p {
  margin: 0;
  font-size: 14px;
  color: var(--rock);
  line-height: 1.7;
  max-width: 40em;
}

@media (min-width: 900px) {
  .page-home .ph-faq__item {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 24px;
    align-items: start;
    padding: 22px 0;
  }

  .page-home .ph-faq__item dd { padding-left: 0; }
}

/* ---------- 合作对接 ---------- */
.page-home .ph-coop__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: end;
}

.page-home .ph-coop__copy h2 {
  font-size: clamp(1.6rem, 3.3vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.12;
  margin: 8px 0 12px;
  color: #fff;
}

.page-home .ph-coop__copy p {
  margin: 0;
  max-width: 40em;
  color: rgba(255, 255, 255, .82);
}

.page-home .ph-coop__acts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-home .ph-coop__meta {
  margin: 0;
  font-family: var(--font-cond);
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--ice-light);
}

@media (min-width: 860px) {
  .page-home .ph-coop__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(30px, 5vw, 70px);
  }

  .page-home .ph-coop__acts { align-items: flex-end; }
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 560px) {
  .page-home .ph-nums {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ph-jilin__stats {
    grid-template-columns: 1fr;
  }

  .page-home .ph-stat--wide { grid-column: span 1; }

  .page-home .ph-cycle {
    grid-template-columns: 1fr;
    justify-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-track { transition: none; }
  .page-home .ph-track:hover { transform: none; }
}
<<<END>>>