.page-home {
  --ph-cut: 18px;
  --ph-rule: 1px solid var(--dl-line);
  background: var(--dl-paper);
  color: var(--dl-inktext);
  font-family: var(--dl-sans);
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

.page-home .dl-mono,
.page-home .ph-interval__num,
.page-home .ph-cycle__idx,
.page-home .ph-next__idx {
  font-family: var(--dl-mono);
  font-variant-ligatures: none;
}

/* ---------- 通用文字件 ---------- */
.page-home .ph-h2 {
  font-family: var(--dl-serif);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.26;
  letter-spacing: -.012em;
  margin: 0 0 16px;
  color: var(--dl-inktext);
}

.page-home .ph-h2--light {
  color: #FBF7EE;
}

.page-home .ph-eyebrow {
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #7A5E1C;
  margin: 0 0 14px;
}

.page-home .ph-sec--ink .ph-eyebrow,
.page-home .ph-sec--felt .ph-eyebrow,
.page-home .ph-hero .ph-eyebrow {
  color: var(--dl-gold);
}

.page-home .ph-lead {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: var(--dl-muted);
  margin: 0 0 20px;
  max-width: 40em;
}

.page-home .ph-sec--ink .ph-lead,
.page-home .ph-sec--felt .ph-lead {
  color: rgba(245, 240, 230, .78);
}

.page-home .ph-sec__head {
  max-width: 46em;
  margin-bottom: clamp(28px, 4vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-home .ph-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--dl-header-h) + clamp(30px, 6vw, 66px)) 0 clamp(52px, 8vw, 96px);
  background: radial-gradient(120% 96% at 8% 0%, #1B4A3C 0%, #0E2B24 52%, #081A15 100%);
  color: var(--dl-paper);
}

.page-home .ph-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201, 194, 178, .065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 194, 178, .065) 1px, transparent 1px);
  background-size: 78px 78px;
  -webkit-mask-image: radial-gradient(120% 92% at 18% 8%, #000 0%, transparent 76%);
  mask-image: radial-gradient(120% 92% at 18% 8%, #000 0%, transparent 76%);
}

.page-home .ph-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -34%;
  width: 58%;
  aspect-ratio: 1;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 162, 74, .17), transparent 68%);
}

.page-home .ph-hero__shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 54px);
}

.page-home .ph-crumb {
  margin-bottom: 22px;
}

.page-home .ph-crumb .dl-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(245, 240, 230, .58);
}

.page-home .ph-crumb .dl-breadcrumb__sep {
  color: rgba(200, 162, 74, .7);
}

.page-home .ph-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--dl-gold);
  margin: 0 0 18px;
}

.page-home .ph-kicker::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--dl-gold);
  opacity: .75;
}

.page-home .ph-hero__title {
  font-family: var(--dl-serif);
  font-weight: 900;
  font-size: clamp(30px, 4.7vw, 56px);
  line-height: 1.16;
  letter-spacing: -.018em;
  color: #FBF7EE;
  margin: 0 0 22px;
  max-width: 14em;
}

.page-home .ph-hero__lede {
  color: rgba(245, 240, 230, .8);
  max-width: 34em;
  margin-bottom: 30px;
}

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

.page-home .ph-hero__aside {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 3vw, 28px);
  background: var(--dl-ink-2);
  border: 1px solid var(--dl-line-gold);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%);
}

.page-home .ph-hero__aside::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(158deg, rgba(14, 43, 36, .28) 0%, rgba(8, 24, 19, .95) 76%);
}

.page-home .ph-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
}

.page-home .ph-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .46;
}

.page-home .ph-hero__index {
  position: relative;
  z-index: 2;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-home .ph-hero__index > li + li {
  border-top: 1px solid rgba(201, 194, 178, .18);
}

.page-home .ph-hero__link {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 3px 6px;
  align-items: baseline;
  padding: 15px 4px;
  text-decoration: none;
  color: inherit;
  transition: background-color .24s var(--dl-ease), padding-left .24s var(--dl-ease);
}

.page-home .ph-hero__link:hover,
.page-home .ph-hero__link:focus-visible {
  background: rgba(200, 162, 74, .1);
  padding-left: 12px;
}

.page-home .ph-hero__num {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dl-gold);
}

.page-home .ph-hero__label {
  font-family: var(--dl-serif);
  font-weight: 900;
  font-size: 18px;
  color: #FBF7EE;
}

.page-home .ph-hero__desc {
  grid-column: 2;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(245, 240, 230, .66);
}

/* ---------- 章节索引条 ---------- */
.page-home .ph-rail {
  position: sticky;
  top: var(--dl-header-h);
  z-index: 5;
  background: rgba(232, 224, 208, .96);
  border-bottom: var(--ph-rule);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-home .ph-index {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  padding: 9px 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-home .ph-index::-webkit-scrollbar {
  display: none;
}

.page-home .ph-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--dl-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .2s var(--dl-ease), color .2s var(--dl-ease);
}

.page-home .ph-index__link .dl-mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--dl-gold);
}

.page-home .ph-index__link:hover,
.page-home .ph-index__link[aria-current="true"] {
  background: var(--dl-ink);
  color: var(--dl-paper);
}

.page-home .ph-index__link[aria-current="true"] .dl-mono,
.page-home .ph-index__link:hover .dl-mono {
  color: var(--dl-gold-soft);
}

/* ---------- 章节通用 ---------- */
.page-home .ph-sec {
  position: relative;
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-home .ph-sec > .dl-shell {
  position: relative;
  z-index: 1;
}

.page-home .ph-sec--paper {
  background: var(--dl-paper);
}

.page-home .ph-sec--paper::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(27, 27, 24, .05) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .55;
}

.page-home .ph-sec--paper2 {
  background: var(--dl-paper-2);
}

.page-home .ph-sec--ink {
  background: linear-gradient(180deg, #0E2B24 0%, #14382E 100%);
  color: var(--dl-paper);
}

.page-home .ph-sec--felt {
  background: radial-gradient(88% 120% at 50% 0%, #1E4A3D 0%, #0E2B24 46%, #08150F 100%);
  color: var(--dl-paper);
}

/* ---------- 编号章节 ---------- */
.page-home .ph-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 56px);
}

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

.page-home .ph-code {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 20px;
  margin: 0 0 22px;
  border: 1px solid var(--dl-line);
  border-left: 3px solid var(--dl-gold);
  background: var(--dl-paper-2);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-home .ph-code__cell {
  display: grid;
  gap: 4px;
  min-width: 6.5rem;
}

.page-home .ph-code__tag {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--dl-ink);
}

.page-home .ph-code__cap {
  font-size: 12px;
  color: var(--dl-muted);
}

.page-home .ph-code__dot {
  color: var(--dl-gold);
  font-size: 18px;
}

.page-home .ph-notes {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .ph-notes__item {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: #33372F;
}

.page-home .ph-notes__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 1px;
  background: var(--dl-gold);
}

.page-home .ph-inline-btn {
  margin-top: 4px;
}

/* ---------- 区间章节 ---------- */
.page-home .ph-interval {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-home .ph-interval__anchor {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-home .ph-interval__num {
  font-size: clamp(76px, 14vw, 150px);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.04em;
  color: var(--dl-gold);
}

.page-home .ph-interval__cap {
  font-family: var(--dl-serif);
  font-weight: 900;
  font-size: clamp(18px, 2vw, 22px);
  color: #FBF7EE;
}

.page-home .ph-interval__sub {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(245, 240, 230, .58);
}

.page-home .ph-interval__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(201, 194, 178, .22);
  border: 1px solid rgba(201, 194, 178, .22);
}

.page-home .ph-interval__cell {
  background: rgba(9, 26, 21, .55);
  padding: 20px 18px;
}

.page-home .ph-interval__k {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dl-gold);
  margin-bottom: 9px;
}

.page-home .ph-interval__cell p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(245, 240, 230, .76);
}

.page-home .ph-trace {
  display: block;
  width: 100%;
  height: clamp(70px, 11vw, 140px);
  margin-top: clamp(28px, 4vw, 48px);
  overflow: visible;
}

.page-home .ph-trace__path {
  fill: none;
  stroke: var(--dl-gold);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 2400;
  stroke-dashoffset: 2400;
  animation: ph-draw 1.8s var(--dl-ease) .15s forwards;
}

@keyframes ph-draw {
  to { stroke-dashoffset: 0; }
}

.page-home .ph-trace__cap {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(200, 162, 74, .78);
}

/* ---------- 周期章节 ---------- */
.page-home .ph-cycle {
  list-style: none;
  margin: 0 0 clamp(26px, 4vw, 42px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--dl-line);
  border: 1px solid var(--dl-line);
}

.page-home .ph-cycle__step {
  background: var(--dl-paper);
  padding: clamp(20px, 3vw, 30px);
}

.page-home .ph-cycle__idx {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: #7A5E1C;
  margin-bottom: 10px;
}

.page-home .ph-cycle__name {
  font-family: var(--dl-serif);
  font-weight: 900;
  font-size: 22px;
  margin: 0 0 10px;
  color: var(--dl-ink);
}

.page-home .ph-cycle__step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: #3A4038;
}

.page-home .ph-meta {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 46px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .ph-meta__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--dl-line);
}

.page-home .ph-meta__k {
  flex: 0 0 auto;
  font-size: 15px;
  color: #7A5E1C;
}

.page-home .ph-meta__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--dl-muted);
}

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

/* ---------- 结算章节 ---------- */
.page-home .ph-settle {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 44px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--dl-line-gold);
  background: linear-gradient(150deg, rgba(30, 74, 61, .68), rgba(11, 32, 26, .94));
  -webkit-clip-path: polygon(var(--ph-cut) 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%, 0 var(--ph-cut));
  clip-path: polygon(var(--ph-cut) 0, 100% 0, 100% calc(100% - var(--ph-cut)), calc(100% - var(--ph-cut)) 100%, 0 100%, 0 var(--ph-cut));
}

.page-home .ph-settle__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(200, 162, 74, .24);
  -webkit-clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-home .ph-settle__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 190px;
  object-fit: cover;
}

.page-home .ph-tabs {
  display: flex;
  flex-direction: column;
}

.page-home .ph-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-home .ph-tabs__btn {
  font-family: var(--dl-mono);
  font-size: 13px;
  letter-spacing: .12em;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--dl-line-gold);
  background: transparent;
  color: rgba(245, 240, 230, .85);
  cursor: pointer;
  transition: background-color .22s var(--dl-ease), color .22s var(--dl-ease), border-color .22s var(--dl-ease);
}

.page-home .ph-tabs__btn:hover {
  border-color: var(--dl-gold);
  color: #FBF7EE;
}

.page-home .ph-tabs__btn[aria-selected="true"],
.page-home .ph-tabs__btn[data-active="true"] {
  background: var(--dl-gold);
  border-color: var(--dl-gold);
  color: #101010;
}

.page-home .ph-kv {
  margin: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 194, 178, .2);
  border: 1px solid rgba(201, 194, 178, .2);
}

.page-home .ph-kv__row {
  display: grid;
  gap: 6px;
  background: rgba(9, 26, 21, .6);
  padding: 16px 18px;
}

.page-home .ph-kv__k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dl-gold);
}

.page-home .ph-kv__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 240, 230, .86);
}

.page-home .ph-tabs__foot {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(245, 240, 230, .62);
}

/* ---------- 下一步 ---------- */
.page-home .ph-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-home .ph-filter__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--dl-muted);
  margin-right: 4px;
}

.page-home .ph-filter__status {
  min-height: 1.2em;
  margin: 0 0 18px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--dl-muted);
}

.page-home .ph-next {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--dl-line);
  border: 1px solid var(--dl-line);
}

.page-home .ph-next__item {
  background: var(--dl-paper);
}

.page-home .ph-next__link {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) 1.6rem;
  gap: 4px 10px;
  align-items: baseline;
  padding: clamp(18px, 2.6vw, 26px);
  text-decoration: none;
  color: inherit;
  transition: background-color .24s var(--dl-ease);
}

.page-home .ph-next__link:hover,
.page-home .ph-next__link:focus-visible {
  background: var(--dl-paper-2);
}

.page-home .ph-next__idx {
  font-size: 12px;
  letter-spacing: .12em;
  color: #7A5E1C;
}

.page-home .ph-next__name {
  font-family: var(--dl-serif);
  font-weight: 900;
  font-size: 19px;
  color: var(--dl-ink);
}

.page-home .ph-next__desc {
  grid-column: 2 / 3;
  font-size: 14px;
  line-height: 1.8;
  color: var(--dl-muted);
}

.page-home .ph-next__go {
  grid-row: 1 / 3;
  grid-column: 3 / 4;
  align-self: center;
  font-size: 16px;
  color: var(--dl-gold);
  transition: transform .24s var(--dl-ease);
}

.page-home .ph-next__link:hover .ph-next__go {
  transform: translateX(4px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .ph-interval__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ph-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 28px;
  }
}

@media (min-width: 760px) {
  .page-home .ph-cycle {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-kv__row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-home .ph-split {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-home .ph-interval {
    grid-template-columns: minmax(0, .62fr) minmax(0, 1.38fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-home .ph-settle {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    align-items: stretch;
  }

  .page-home .ph-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-home .ph-hero__shell {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .page-home .ph-hero__aside {
    margin-top: 34px;
  }
}

@media (max-width: 560px) {
  .page-home .ph-code {
    gap: 8px;
  }

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

  .page-home .ph-code__cell {
    min-width: 0;
    flex: 1 1 100%;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--dl-line);
  }

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

  .page-home .ph-next__link {
    grid-template-columns: 2.2rem minmax(0, 1fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-trace__path {
    animation: none;
    stroke-dashoffset: 0;
  }

  .page-home .ph-hero__link,
  .page-home .ph-next__go,
  .page-home .ph-tabs__btn,
  .page-home .ph-index__link {
    transition: none;
  }
}
<<<END>>>