.page-home {
  --ph-gap: clamp(18px, 3.4vw, 44px);
  --ph-sec: clamp(48px, 8vw, 104px);
  --ph-line: rgba(157, 179, 166, 0.16);
  background: var(--ink);
  color: var(--ivory);
  font-family: var(--font-display);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.22;
  font-weight: 700;
}

.page-home p {
  margin: 0;
}

.page-home ul,
.page-home ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.page-home a {
  color: inherit;
}

/* ---------- 顶部上下文 ---------- */
.ph-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: clamp(18px, 3vw, 34px);
}

.page-home .sd-crumbs {
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--sage);
  text-transform: uppercase;
}

.ph-quickhome {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-cyan);
  color: var(--cyan);
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  background: rgba(95, 242, 200, 0.06);
}

.ph-quickhome:hover,
.ph-quickhome:focus-visible {
  background: var(--cyan);
  color: var(--ink-deep);
}

/* ---------- 首屏框景 ---------- */
.ph-hero {
  position: relative;
  padding: clamp(16px, 2.5vw, 28px) 0 clamp(44px, 7vw, 92px);
  background:
    radial-gradient(120% 90% at 82% -12%, rgba(95, 242, 200, 0.12), transparent 62%),
    linear-gradient(180deg, var(--ink-deep), var(--ink) 62%);
  border-bottom: 1px solid var(--ph-line);
}

.ph-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 22px);
  opacity: 0.75;
  pointer-events: none;
}

.ph-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.ph-hero__title {
  margin-top: 14px;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  overflow-wrap: break-word;
}

.ph-hero__mark {
  color: var(--cyan);
  box-shadow: inset 0 -0.28em 0 rgba(95, 242, 200, 0.18);
}

.ph-hero__lead {
  margin-top: 18px;
  max-width: 60ch;
  color: var(--sage);
  font-size: 1rem;
  line-height: 1.78;
}

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

.ph-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  border: 1px solid var(--ph-line);
  background: var(--ph-line);
}

.ph-stat {
  background: var(--graphite);
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ph-stat__n {
  font-family: var(--font-num);
  font-size: 1.35rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.ph-stat__l {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.ph-axis-block {
  margin-top: 28px;
}

.ph-axis-block__cap {
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--moss);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.ph-axis {
  border-left: 2px solid var(--moss);
  padding-left: 4px;
}

.ph-axis__item {
  position: relative;
  padding: 0 0 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ph-axis__item:last-child {
  padding-bottom: 0;
}

.ph-axis__item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.ph-axis__time {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  color: var(--ivory);
}

.ph-axis__meta {
  font-size: 0.8rem;
  color: var(--sage);
}

.ph-board {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--graphite);
  padding: 12px;
}

.ph-board::before {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  top: -1px;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--line-cyan) 0 2px, transparent 2px 18px);
  pointer-events: none;
}

.ph-board__figure {
  margin: 0;
  border: 1px solid var(--ph-line);
  background: var(--ink-deep);
  overflow: hidden;
}

.ph-board__figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.ph-board__figure figcaption {
  padding: 10px 12px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--sage);
  border-top: 1px solid var(--ph-line);
}

.ph-board__windows {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.ph-window {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--ph-line);
  background: rgba(27, 43, 39, 0.62);
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease;
}

.ph-window:hover,
.ph-window:focus-visible {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
}

.ph-window__tag {
  display: block;
  font-family: var(--font-num);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.ph-window__name {
  display: block;
  margin-top: 6px;
  font-size: 0.94rem;
  color: var(--ivory);
}

.ph-window__desc {
  display: block;
  margin-top: 3px;
  font-size: 0.78rem;
  color: var(--sage);
}

/* ---------- 速度章节 ---------- */
.ph-speed {
  padding: var(--ph-sec) 0;
  background: linear-gradient(155deg, var(--mineral) 0%, var(--deep-green) 58%, var(--mineral) 100%);
  border-block: 1px solid var(--line-strong);
}

.ph-speed__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
}

.ph-speed__title,
.ph-link__title,
.ph-help__title,
.ph-path__title,
.ph-trust__title {
  font-size: clamp(1.6rem, 4.4vw, 2.5rem);
  margin-top: 12px;
  overflow-wrap: break-word;
}

.ph-speed__lead {
  margin-top: 16px;
  max-width: 58ch;
  color: rgba(232, 228, 214, 0.84);
  font-size: 0.98rem;
  line-height: 1.78;
}

.ph-speed__list {
  margin-top: 26px;
  border-top: 1px solid rgba(232, 228, 214, 0.18);
}

.ph-speed__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(232, 228, 214, 0.14);
}

.ph-speed__n {
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  line-height: 1.1;
}

.ph-speed__t {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(232, 228, 214, 0.78);
}

.ph-speed__figures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-content: start;
}

.ph-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-deep);
  overflow: hidden;
}

.ph-figure img {
  width: 100%;
  object-fit: cover;
}

.ph-figure--wide img {
  aspect-ratio: 3 / 2;
}

.ph-figure--small img {
  aspect-ratio: 10 / 7;
}

.ph-figure--panel img {
  aspect-ratio: 4 / 3;
}

.ph-figure figcaption {
  padding: 10px 12px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--sage);
  border-top: 1px solid var(--ph-line);
}

/* ---------- 关注联动 ---------- */
.ph-link {
  padding: var(--ph-sec) 0;
  background: var(--ink);
}

.ph-link__lead {
  margin-top: 16px;
  max-width: 60ch;
  color: var(--sage);
  font-size: 0.98rem;
  line-height: 1.78;
}

.ph-link__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
  margin-top: clamp(24px, 4vw, 42px);
  align-items: start;
}

.ph-switch {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--graphite);
}

.ph-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.ph-switch__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px;
  border-bottom: 1px solid var(--ph-line);
}

.ph-switch__label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  font-family: var(--font-num);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--sage);
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.ph-switch__label:hover {
  color: var(--ivory);
}

.page-home #ph-tab-schedule:checked ~ .ph-switch__labels label[for="ph-tab-schedule"],
.page-home #ph-tab-table:checked ~ .ph-switch__labels label[for="ph-tab-table"],
.page-home #ph-tab-follow:checked ~ .ph-switch__labels label[for="ph-tab-follow"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-deep);
}

.page-home #ph-tab-schedule:focus-visible ~ .ph-switch__labels label[for="ph-tab-schedule"],
.page-home #ph-tab-table:focus-visible ~ .ph-switch__labels label[for="ph-tab-table"],
.page-home #ph-tab-follow:focus-visible ~ .ph-switch__labels label[for="ph-tab-follow"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.ph-switch__panel {
  padding: clamp(18px, 3vw, 30px);
}

.page-home #ph-tab-schedule:checked ~ .ph-switch__panels .ph-switch__panel:nth-child(1),
.page-home #ph-tab-table:checked ~ .ph-switch__panels .ph-switch__panel:nth-child(2),
.page-home #ph-tab-follow:checked ~ .ph-switch__panels .ph-switch__panel:nth-child(3) {
  display: block;
}

.ph-switch__panel + .ph-switch__panel {
  border-top: 1px solid var(--ph-line);
}

.ph-panel__title {
  font-size: 1.15rem;
  color: var(--ivory);
}

.ph-panel__lead {
  margin-top: 10px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--sage);
}

.ph-rows {
  margin-top: 18px;
  border-top: 1px solid var(--ph-line);
}

.ph-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ph-line);
}

.ph-row__k {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.ph-row__v {
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(232, 228, 214, 0.86);
}

/* ---------- 帮助文档 ---------- */
.ph-help {
  padding: var(--ph-sec) 0;
  background: linear-gradient(180deg, var(--mineral), var(--ink) 78%);
  border-top: 1px solid var(--ph-line);
}

.ph-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
  align-items: start;
}

.ph-help__lead {
  margin-top: 16px;
  max-width: 56ch;
  color: var(--sage);
  font-size: 0.96rem;
  line-height: 1.78;
}

.ph-help__text .sd-btn {
  margin-top: 22px;
}

.ph-help__stack details {
  border: 1px solid var(--line-strong);
  background: var(--graphite);
  margin-bottom: 10px;
}

.ph-help__stack details[open] {
  background: var(--ink-deep);
}

.ph-help__stack summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 0.92rem;
  color: var(--ivory);
  list-style: none;
}

.ph-help__stack summary::-webkit-details-marker {
  display: none;
}

.ph-help__stack summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.05rem;
  color: var(--cyan);
}

.ph-help__stack details[open] summary::after {
  content: "–";
}

.ph-help__stack details[open] summary {
  border-bottom: 1px solid var(--ph-line);
}

.ph-help__count {
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--moss);
  margin-left: auto;
  margin-right: 12px;
}

.ph-help__stack p {
  padding: 14px 16px;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 每日路径 ---------- */
.ph-path {
  padding: var(--ph-sec) 0;
  background: var(--graphite);
  border-block: 1px solid var(--ph-line);
}

.ph-path__steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(24px, 4vw, 40px);
  background: var(--ph-line);
  border: 1px solid var(--ph-line);
}

.ph-step {
  background: var(--ink);
  padding: clamp(20px, 3vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ph-step__no {
  font-family: var(--font-num);
  font-size: 1.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--clay);
  line-height: 1;
}

.ph-step__title {
  font-size: 1.05rem;
  color: var(--ivory);
}

.ph-step__text {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--sage);
}

/* ---------- 团队与归属 ---------- */
.ph-trust {
  padding: var(--ph-sec) 0;
  background: linear-gradient(200deg, var(--ink) 0%, var(--mineral) 100%);
  border-top: 1px solid var(--line-strong);
}

.ph-trust__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ph-gap);
  margin-top: clamp(24px, 4vw, 40px);
}

.ph-trust__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.ph-fact {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ph-fact__k {
  font-size: 0.95rem;
  color: var(--ivory);
}

.ph-fact__v {
  font-size: 0.84rem;
  line-height: 1.72;
  color: var(--sage);
}

.ph-contact {
  border: 1px solid var(--line-strong);
  background: rgba(6, 17, 15, 0.72);
  padding: clamp(18px, 3vw, 28px);
}

.ph-contact__title {
  font-size: 1.1rem;
  color: var(--ivory);
}

.ph-contact__list {
  margin: 18px 0 0;
  border-top: 1px solid var(--ph-line);
}

.ph-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--ph-line);
}

.ph-contact__row dt {
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.ph-contact__row dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.ph-contact__note {
  margin-top: 16px;
  font-size: 0.82rem;
  line-height: 1.72;
  color: var(--sage);
}

.ph-contact__meta {
  margin-top: 10px;
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.ph-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.ph-more {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 4vw, 46px);
  background: var(--ph-line);
  border: 1px solid var(--ph-line);
}

.ph-more__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 16px 18px;
  background: var(--ink);
  text-decoration: none;
  transition: background-color 180ms ease;
}

.ph-more__item:hover,
.ph-more__item:focus-visible {
  background: var(--deep-green);
}

.ph-more__k {
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.ph-more__v {
  font-size: 0.88rem;
  color: var(--sage);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .ph-board__windows {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ph-speed__item {
    grid-template-columns: minmax(0, 0.6fr) minmax(0, 2fr);
    align-items: baseline;
    gap: 16px;
  }

  .ph-row {
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 2fr);
    gap: 16px;
    align-items: baseline;
  }

  .ph-contact__row {
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 2fr);
    gap: 14px;
    align-items: baseline;
  }

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

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

@media (min-width: 860px) {
  .ph-path__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ph-speed__figures {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .ph-figure--small {
    margin-top: 34px;
  }
}

@media (min-width: 900px) {
  .ph-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .ph-speed__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

  .ph-link__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .ph-help__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .ph-trust__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 60px);
  }

  .ph-more {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .ph-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home * {
    transition-duration: 0.01ms !important;
  }

  .ph-window:hover,
  .ph-window:focus-visible {
    transform: none;
  }
}
<<<END>>>