.page-home {
  --ph-gap: 18px;
  --ph-card-line: rgba(11, 59, 79, .12);
  --ph-light-line: rgba(230, 238, 241, .16);
  background: var(--deep);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .container,
.page-home .container--narrow {
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- 排版基线 ---------- */
.page-home h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: 1.8rem;
  line-height: 1.32;
  letter-spacing: .05em;
  color: var(--mist);
  margin: 0 0 18px;
}

.page-home h2 {
  font-family: var(--font-title);
  font-size: 1.55rem;
  line-height: 1.35;
  letter-spacing: .05em;
  margin: 0 0 16px;
  color: inherit;
}

.page-home h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  letter-spacing: .04em;
  line-height: 1.5;
  margin: 0 0 8px;
}

.page-home .section--paper h2,
.page-home .section--paper h3,
.page-home .section--mist h2,
.page-home .section--mist h3 {
  color: var(--deep);
}

.page-home .section--paper,
.page-home .section--mist {
  color: var(--deep);
}

.page-home .ph-lede {
  font-size: 1.0625rem;
  line-height: 1.95;
  max-width: 36em;
  margin: 0 0 22px;
  color: var(--stone);
}

.page-home .section--deep .ph-lede,
.page-home .section--tide .ph-lede,
.page-home .ph-lede--light {
  color: rgba(230, 238, 241, .82);
}

.page-home .ph-chapter {
  font-size: .78rem;
  letter-spacing: .3em;
  color: var(--sand);
  margin: 0 0 12px;
}

.page-home .section--paper .ph-chapter,
.page-home .section--mist .ph-chapter {
  color: var(--clay);
}

.page-home .ph-rot {
  writing-mode: horizontal-tb;
  letter-spacing: .24em;
  color: var(--sand);
  font-size: .78rem;
  margin: 0;
}

/* ---------- 胶囊与按钮的悬停位移 ---------- */
.page-home .pill {
  display: inline-block;
  font-family: var(--font-title);
  font-size: .9rem;
  letter-spacing: .04em;
  line-height: 1.4;
  transition: transform 200ms var(--ease), background-color 200ms var(--ease),
    color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .pill:hover,
.page-home .pill:focus-visible {
  transform: translateX(4px);
  box-shadow: 0 4px 14px rgba(6, 35, 47, .22);
}

.page-home .btn {
  transition: transform 200ms var(--ease), background-color 200ms var(--ease),
    color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .btn:hover,
.page-home .btn:focus-visible {
  transform: translateX(4px);
}

.page-home .ph-tab:focus-visible,
.page-home .ph-radio:focus-visible ~ .ph-tabs label {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

/* ---------- 图片框 ---------- */
.page-home .figure {
  margin: 0;
}

.page-home .ph-frame-tall { aspect-ratio: 3 / 4; }
.page-home .ph-frame-wide { aspect-ratio: 16 / 9; }
.page-home .ph-frame-43 { aspect-ratio: 4 / 3; }
.page-home .ph-frame-square { aspect-ratio: 1 / 1; }

.page-home .figure__img {
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(20, 86, 110, .9), rgba(6, 35, 47, .9));
}

.page-home .figure__img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-home .figure__cap {
  margin-top: 10px;
  font-size: .84rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .section--deep .figure__cap,
.page-home .section--tide .figure__cap {
  color: rgba(230, 238, 241, .62);
}

/* ---------- 首屏 ---------- */
.page-home .ph-hero {
  padding: 28px 0 52px;
}

.page-home .ph-crumb {
  margin-bottom: 18px;
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-home .ph-crumb .crumb__current {
  color: var(--sand);
}

.page-home .ph-hero__lede {
  color: rgba(230, 238, 241, .86);
}

.page-home .ph-hero__text {
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(230, 238, 241, .7);
  max-width: 34em;
  margin: 0 0 24px;
}

.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.page-home .ph-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--ph-light-line);
}

.page-home .ph-hero__media {
  position: relative;
  margin-top: 28px;
}

.page-home .ph-hero__note {
  margin-top: 14px;
  color: var(--sand);
}

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

/* ---------- 三步路径 ---------- */
.page-home .ph-steps {
  padding: 56px 0;
}

.page-home .ph-steps__grid {
  display: grid;
  gap: 12px;
}

.page-home .ph-steps__aside {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-home .ph-trail {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 22px;
}

.page-home .ph-trail::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--coral), var(--sand));
}

.page-home .ph-trail__item {
  position: relative;
  padding-left: 38px;
}

.page-home .ph-trail__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--coral);
}

.page-home .ph-trail__link {
  background: var(--deep);
  color: var(--mist);
  border-color: transparent;
}

.page-home .ph-trail__desc {
  margin: 8px 0 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--stone);
  max-width: 34em;
}

/* ---------- 三端入口 ---------- */
.page-home .ph-ends {
  padding: 56px 0;
}

.page-home .ph-ends__figure {
  margin-bottom: 32px;
}

.page-home .ph-ends__head {
  margin-bottom: 26px;
}

.page-home .ph-ends__cards {
  display: grid;
  gap: var(--ph-gap);
}

.page-home .ph-end {
  padding: 24px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--ph-light-line);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-home .ph-end:hover,
.page-home .ph-end:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--lift);
}

.page-home .ph-end h3 {
  color: var(--mist);
}

.page-home .ph-end__line {
  font-size: .96rem;
  line-height: 1.8;
  color: var(--sand);
  margin: 0 0 14px;
}

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

.page-home .ph-end__list li {
  position: relative;
  padding-left: 16px;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(230, 238, 241, .8);
}

.page-home .ph-end__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

.page-home .ph-ends__more {
  margin: 26px 0 0;
}

/* ---------- 面板对照 ---------- */
.page-home .ph-panels {
  padding: 56px 0;
}

.page-home .ph-panels__switch {
  position: relative;
}

.page-home .ph-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-home .ph-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.page-home .ph-tab {
  cursor: pointer;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 2px solid var(--ph-card-line);
  background: var(--mist);
  font-family: var(--font-title);
  font-size: .92rem;
  letter-spacing: .04em;
  color: var(--deep);
  user-select: none;
  transition: background-color 220ms var(--ease), color 220ms var(--ease),
    border-color 220ms var(--ease);
}

.page-home #ph-mode-desktop:checked ~ .ph-tabs label[for="ph-mode-desktop"],
.page-home #ph-mode-mobile:checked ~ .ph-tabs label[for="ph-mode-mobile"] {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink);
}

.page-home .ph-board {
  display: grid;
  gap: var(--ph-gap);
}

.page-home .ph-panel {
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: var(--mist);
  border: 2px solid var(--ph-card-line);
  opacity: .8;
  transition: transform 300ms var(--ease), box-shadow 300ms var(--ease),
    border-color 300ms var(--ease), opacity 300ms var(--ease);
}

.page-home .ph-panel__line {
  font-size: .94rem;
  line-height: 1.8;
  color: var(--stone);
  margin: 0 0 16px;
}

.page-home #ph-mode-desktop:checked ~ .ph-board .ph-panel--desktop,
.page-home #ph-mode-mobile:checked ~ .ph-board .ph-panel--mobile {
  opacity: 1;
  transform: translateY(-4px);
  border-color: var(--coral);
  box-shadow: 0 14px 30px rgba(11, 59, 79, .16);
}

.page-home .ph-perms {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .ph-perms li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--deep);
}

.page-home .dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-top: .52em;
  border-radius: 50%;
}

.page-home .dot--desktop { background: var(--coral); }
.page-home .dot--mobile { background: var(--sand); }
.page-home .dot--both { background: var(--moss); }

.page-home .ph-panels__more {
  margin: 26px 0 0;
}

/* ---------- 更新摘要 ---------- */
.page-home .ph-news {
  padding: 56px 0;
}

.page-home .ph-news__grid {
  display: grid;
  gap: 28px;
}

.page-home .ph-news__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .ph-news__item {
  padding: 18px 20px;
  border-radius: var(--r-md);
}

.page-home .ph-news__item--doc {
  padding: 18px 20px 18px 22px;
  border-radius: var(--r-md);
  border-left: 4px solid var(--moss);
  background: var(--mist);
}

.page-home .ph-news__meta {
  font-size: .8rem;
  letter-spacing: .06em;
  margin: 0 0 8px;
  color: var(--stone);
}

.page-home .ph-when {
  color: var(--clay);
  font-weight: 700;
}

.page-home .ph-when--moss {
  color: var(--moss);
}

.page-home .ph-news__item h3 {
  font-size: 1.02rem;
  margin-bottom: 6px;
}

.page-home .ph-news__item p:last-child {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--stone);
}

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

/* ---------- 常来常看 ---------- */
.page-home .ph-keep {
  padding: 56px 0;
}

.page-home .ph-keep__facts {
  display: grid;
  gap: var(--ph-gap);
  margin: 8px 0 26px;
}

.page-home .ph-fact {
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: rgba(20, 86, 110, .55);
  border: 1px solid var(--ph-light-line);
}

.page-home .ph-fact__num {
  font-size: 1.9rem;
  line-height: 1.2;
  letter-spacing: .04em;
  color: var(--sand);
  margin: 0 0 10px;
}

.page-home .ph-fact__label {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(230, 238, 241, .78);
}

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

/* ---------- 收尾 ---------- */
.page-home .ph-finish {
  padding: 56px 0 64px;
}

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

.page-home .ph-tickets {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-home .ph-tickets li {
  padding: 8px 16px;
  border-radius: var(--r-pill);
  background: var(--mist);
  border: 1px solid var(--ph-card-line);
  font-family: var(--font-title);
  font-size: .88rem;
  letter-spacing: .04em;
  color: var(--deep);
}

.page-home .ph-finish__stats {
  font-size: .88rem;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--clay);
  margin: 0 0 14px;
}

.page-home .ph-finish__contact {
  font-size: .95rem;
  line-height: 1.9;
  color: var(--stone);
  max-width: 34em;
  margin: 0 0 24px;
}

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

.page-home .ph-finish__media .figure {
  max-width: 420px;
}

/* ---------- 悬浮旋转注释：仅桌面 ---------- */
@media (min-width: 720px) {
  .page-home .container,
  .page-home .container--narrow {
    padding-left: 32px;
    padding-right: 32px;
  }

  .page-home h1 { font-size: 2.5rem; }
  .page-home h2 { font-size: 1.9rem; }
  .page-home .ph-ends__cards,
  .page-home .ph-keep__facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .page-home .ph-rot {
    writing-mode: vertical-rl;
    letter-spacing: .34em;
  }

  .page-home .ph-hero__note {
    position: absolute;
    top: 8px;
    right: -22px;
  }

  .page-home .ph-board { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
  .page-home .ph-news__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-home .ph-news__item--doc { grid-column: span 1; }
}

@media (min-width: 1024px) {
  .page-home .ph-hero {
    padding: 44px 0 72px;
  }

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

  .page-home .ph-hero__media {
    margin-top: 0;
  }

  .page-home .ph-steps__grid {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 40px;
  }

  .page-home .ph-steps__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .page-home .ph-trail {
    gap: 28px;
  }

  .page-home .ph-news__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 48px;
  }

  .page-home .ph-news__media {
    position: sticky;
    top: calc(var(--mast-h) + 24px);
  }

  .page-home .ph-finish__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: center;
    gap: 48px;
  }

  .page-home .ph-finish__media .figure {
    max-width: none;
  }

  .page-home .ph-finish__media {
    margin-left: auto;
  }

  .page-home .section,
  .page-home .ph-steps,
  .page-home .ph-ends,
  .page-home .ph-panels,
  .page-home .ph-news,
  .page-home .ph-keep,
  .page-home .ph-finish {
    padding-top: 84px;
    padding-bottom: 84px;
  }

  .page-home .ph-hero__note {
    right: -28px;
  }
}