.page-home {
  --ph-panel: var(--ink-900);
  --ph-panel-2: var(--ink-800);
  --ph-text-soft: #C6D3EC;
  --ph-gap: clamp(16px, 2.6vw, 32px);
  position: relative;
  display: block;
  color: var(--paper);
  font-family: var(--font-sans);
  background-color: var(--ink-950);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-home .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
}

.page-home .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-home .ph-wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-home .ph-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 16px var(--gutter) 0;
  font-size: 13px;
  color: var(--fog);
}

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

.page-home .ph-crumb__dot {
  color: var(--line);
}

.page-home .ph-crumb__note {
  font-size: 12.5px;
  color: var(--fog);
}

/* ---------- 首屏 ---------- */
.page-home .ph-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 56px) 0 clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(47, 224, 200, .13), transparent 55%),
    radial-gradient(95% 70% at 4% 92%, rgba(154, 107, 255, .15), transparent 62%),
    var(--ink-950);
}

.page-home .ph-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
  filter: saturate(.85);
}

.page-home .ph-terrain {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: .6;
}

.page-home .ph-hero__inner {
  position: relative;
  z-index: 2;
}

.page-home .ph-hero__head {
  max-width: 780px;
}

.page-home .ph-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .ph-eyebrow__dash {
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--orange);
  flex: none;
}

.page-home .ph-hero__head h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.012em;
}

.page-home .ph-lead {
  margin: 0 0 24px;
  max-width: 40ch;
  font-size: clamp(15.5px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--ph-text-soft);
}

.page-home .ph-lead--sm {
  max-width: 52ch;
  font-size: 16px;
  margin-bottom: 0;
}

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

.page-home .ph-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .ph-btn--primary {
  background: var(--cyan);
  color: var(--ink-950);
}

.page-home .ph-btn--primary:hover {
  background: #4ff0da;
  transform: translateY(-2px);
}

.page-home .ph-btn--ghost {
  background: rgba(11, 18, 38, .55);
  border-color: var(--line);
  color: var(--paper);
}

.page-home .ph-btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .ph-btn:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

/* ---------- 分屏 ---------- */
.page-home .ph-split {
  display: grid;
  gap: var(--ph-gap);
  margin-top: clamp(28px, 4vw, 52px);
}

.page-home .ph-subhead {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
}

.page-home .ph-subhead .mono {
  padding: 2px 7px;
  border: 1px solid rgba(255, 106, 43, .55);
  border-radius: var(--r-sm);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-home .ph-frame {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ph-panel-2);
  overflow: hidden;
}

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

.page-home .ph-frame__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 时间轴 ---------- */
.page-home .ph-rail {
  position: relative;
  display: grid;
  gap: 10px;
  padding-left: 24px;
}

.page-home .ph-rail::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(47, 224, 200, .06));
}

.page-home .ph-rail__item {
  position: relative;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(18, 28, 59, .72);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-home .ph-rail__item::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 22px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-home .ph-rail__item:hover,
.page-home .ph-rail__item:focus-visible {
  border-color: var(--cyan);
  background: rgba(18, 28, 59, .95);
  transform: translateX(2px);
}

.page-home .ph-rail__item:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-home .ph-rail__index {
  position: absolute;
  top: 12px;
  right: 14px;
  font-size: 12px;
  color: var(--yellow);
}

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

.page-home .ph-rail__title {
  margin: 0 0 4px;
  padding-right: 36px;
  font-size: 16px;
  font-weight: 700;
}

.page-home .ph-rail__meta {
  margin: 0;
  font-size: 13px;
  color: var(--fog);
}

.page-home .ph-rail__more {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: #B9C8E4;
  transition: max-height 260ms var(--ease), opacity 220ms var(--ease), margin-top 260ms var(--ease);
}

.page-home .ph-rail__item:hover .ph-rail__more,
.page-home .ph-rail__item:focus .ph-rail__more,
.page-home .ph-rail__item:focus-within .ph-rail__more {
  max-height: 180px;
  margin-top: 10px;
  opacity: 1;
}

/* ---------- 数据卡片流 ---------- */
.page-home .ph-cardcol {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-home .ph-card {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(18, 28, 59, .96), rgba(11, 18, 38, .92));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-home .ph-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: 0 14px 32px rgba(5, 7, 15, .62);
}

.page-home .ph-card:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
  border-color: var(--violet);
  transform: translateY(-4px);
}

.page-home .ph-card:focus-visible .ph-card__link {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

.page-home .ph-card__index {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 12px;
  color: var(--yellow);
}

.page-home .ph-card .ph-frame {
  margin: 6px 0 14px;
}

.page-home .ph-card__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}

.page-home .ph-card__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-home .ph-card__value span {
  margin-left: 5px;
  font-size: 13px;
  font-weight: 400;
  color: var(--fog);
}

.page-home .ph-card__note {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.72;
  color: #B9C8E4;
}

.page-home .ph-card__link {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 200, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .ph-card__link:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 悬浮徽章 ---------- */
.page-home .ph-badge {
  --ph-badge-tf: none;
  --ph-badge-hover-tf: scale(1.03);
  position: static;
  display: inline-flex;
  margin: 26px var(--gutter) 0;
  padding: 2px;
  transform: var(--ph-badge-tf);
  background: linear-gradient(135deg, var(--orange), var(--yellow));
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 50%, calc(100% - 16px) 100%, 0 100%, 16px 50%);
  box-shadow: 0 12px 28px rgba(255, 106, 43, .24);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), padding var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.page-home .ph-badge:hover,
.page-home .ph-badge:focus-visible {
  transform: var(--ph-badge-hover-tf);
  padding: 4px;
  box-shadow: 0 16px 34px rgba(255, 106, 43, .36);
}

.page-home .ph-badge:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 4px;
}

.page-home .ph-badge__inner {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 11px 24px;
  background: var(--ink-900);
  clip-path: polygon(0 0, calc(100% - 15px) 0, 100% 50%, calc(100% - 15px) 100%, 0 100%, 15px 50%);
}

.page-home .ph-badge__kicker {
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--orange);
}

.page-home .ph-badge__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
}

/* ---------- 通用区块 ---------- */
.page-home .ph-section {
  padding: clamp(46px, 6vw, 84px) 0;
}

.page-home .ph-section--alt {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
}

.page-home .ph-section--stats {
  padding: clamp(0px, 1vw, 8px) 0 0;
  margin-top: clamp(-24px, -2vw, -8px);
}

.page-home .ph-sectionhead {
  max-width: 740px;
  margin-bottom: clamp(24px, 3vw, 42px);
}

.page-home .ph-sectionhead h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -.01em;
}

/* ---------- 数据条 ---------- */
.page-home .ph-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--line-soft);
  overflow: hidden;
}

.page-home .ph-stat {
  padding: 20px 16px;
  background: var(--ink-950);
}

.page-home .ph-stat__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-home .ph-stat__num small {
  margin-left: 3px;
  font-size: 14px;
  font-weight: 400;
  color: var(--fog);
}

.page-home .ph-stat__label {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fog);
}

.page-home .ph-stat:nth-child(3) .ph-stat__num {
  color: var(--orange);
}

.page-home .ph-stat:nth-child(5) .ph-stat__num {
  color: var(--yellow);
}

/* ---------- 收藏上手区 ---------- */
.page-home .ph-steps {
  display: grid;
  gap: 1px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--line-soft);
  overflow: hidden;
  counter-reset: phstep;
}

.page-home .ph-steps li {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--ph-panel);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ph-text-soft);
}

.page-home .ph-steps li::before {
  counter-increment: phstep;
  content: "0" counter(phstep);
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--yellow);
}

.page-home .ph-compat {
  padding: 18px 20px;
  border-left: 3px solid var(--orange);
  border-radius: var(--r-sm);
  background: linear-gradient(90deg, rgba(255, 106, 43, .14), rgba(255, 106, 43, 0));
}

.page-home .ph-compat__tag {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-home .ph-compat p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: #D7E1F5;
}

/* ---------- 双入口 ---------- */
.page-home .ph-duo {
  display: grid;
  gap: var(--ph-gap);
}

.page-home .ph-duo__card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--ph-panel-2);
}

.page-home .ph-duo__card--export {
  border-top: 3px solid var(--orange);
}

.page-home .ph-duo__card--replay {
  border-top: 3px solid var(--violet);
}

.page-home .ph-duo__card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 800;
}

.page-home .ph-duo__card p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ph-text-soft);
}

.page-home .ph-duo__list {
  display: grid;
  gap: 9px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-home .ph-duo__list li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ph-text-soft);
}

.page-home .ph-duo__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-home .ph-duo__link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
}

.page-home .ph-duo__link:hover {
  color: var(--paper);
}

/* ---------- 数据表 ---------- */
.page-home .ph-table__wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ph-panel);
}

.page-home .ph-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-home .ph-table th,
.page-home .ph-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line-soft);
}

.page-home .ph-table thead th {
  background: var(--ph-panel-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--fog);
}

.page-home .ph-table tbody th {
  font-weight: 700;
  color: var(--paper);
  white-space: nowrap;
}

.page-home .ph-table tbody td {
  color: var(--ph-text-soft);
}

.page-home .ph-table tbody tr:hover {
  background: rgba(47, 224, 200, .05);
}

.page-home .ph-table tbody tr:last-child th,
.page-home .ph-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 视图切换 ---------- */
.page-home .ph-switch {
  position: relative;
  margin-bottom: clamp(24px, 3vw, 36px);
}

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

.page-home .ph-switch__tabs {
  display: inline-flex;
  gap: 4px;
  margin-bottom: 18px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--ph-panel-2);
}

.page-home .ph-switch__tab {
  display: inline-block;
  padding: 8px 18px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 700;
  color: var(--fog);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .ph-switch__tab:hover {
  color: var(--paper);
}

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

.page-home #ph-view-m:checked ~ .ph-view--m,
.page-home #ph-view-d:checked ~ .ph-view--d {
  display: grid;
  gap: 10px;
}

.page-home #ph-view-m:checked ~ .ph-switch__tabs .ph-switch__tab:nth-child(1),
.page-home #ph-view-d:checked ~ .ph-switch__tabs .ph-switch__tab:nth-child(2) {
  background: var(--violet);
  color: var(--paper);
}

.page-home #ph-view-m:focus-visible ~ .ph-switch__tabs .ph-switch__tab:nth-child(1),
.page-home #ph-view-d:focus-visible ~ .ph-switch__tabs .ph-switch__tab:nth-child(2) {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-home .ph-view__row {
  display: grid;
  gap: 5px;
  padding: 15px 17px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: rgba(18, 28, 59, .62);
}

.page-home .ph-view__row strong {
  font-size: 14.5px;
  color: var(--paper);
}

.page-home .ph-view__row span {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--fog);
}

/* ---------- 服务信息 ---------- */
.page-home .ph-service {
  padding: clamp(44px, 6vw, 78px) 0 clamp(52px, 7vw, 88px);
}

.page-home .ph-service__bar {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--line-soft);
  overflow: hidden;
}

.page-home .ph-service__item {
  padding: 18px;
  background: var(--ph-panel);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ph-text-soft);
}

.page-home .ph-service__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-home .ph-service__item p:last-child {
  margin: 0;
}

.page-home .ph-service__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .ph-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .ph-service__bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .ph-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .ph-view--m,
  .page-home .ph-view--d {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-home .ph-split {
    position: relative;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: 0;
  }

  .page-home .ph-railcol {
    padding-right: clamp(24px, 3vw, 46px);
  }

  .page-home .ph-cardcol {
    padding-left: clamp(24px, 3vw, 46px);
    border-left: 1px solid var(--line-soft);
  }

  .page-home .ph-card:nth-child(2) {
    margin-left: 34px;
  }

  .page-home .ph-card:nth-child(3) {
    margin-left: 14px;
  }

  .page-home .ph-badge {
    --ph-badge-tf: translate(-50%, -50%) rotate(-3deg);
    --ph-badge-hover-tf: translate(-50%, -50%) rotate(-3deg) scale(1.04);
    position: absolute;
    left: 50%;
    top: 54%;
    z-index: 3;
    display: block;
    margin: 0;
  }
}

@media (min-width: 1060px) {
  .page-home .ph-stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-badge,
  .page-home .ph-card,
  .page-home .ph-rail__item,
  .page-home .ph-rail__more,
  .page-home .ph-btn {
    transition: none;
  }
}
</main>