.page-home {
  --ph-card-shadow: 0 22px 40px -34px rgba(0, 0, 0, 0.95), 0 2px 0 rgba(255, 255, 255, 0.03);
  --ph-gap: 56px;
  color: var(--db-text);
  font-family: var(--db-sans);
  padding-bottom: 40px;
}

.page-home .ph-wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 面包屑 */
.page-home .db-breadcrumb {
  display: flex;
  margin: 18px 0 16px;
  font-family: var(--db-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--db-muted);
}
.page-home .db-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .db-breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-home .db-breadcrumb__item + .db-breadcrumb__item::before {
  content: "/";
  color: var(--db-copper-500);
}
.page-home .db-breadcrumb__link {
  color: var(--db-copper-300);
  text-decoration: none;
}
.page-home .db-breadcrumb__link:hover,
.page-home .db-breadcrumb__link:focus-visible {
  color: var(--db-cyan-400);
  outline: none;
}

/* 首屏窄画板 */
.page-home .ph-hero {
  position: relative;
  padding: 24px 20px 0;
  background:
    radial-gradient(120% 150% at 92% -20%, rgba(53, 211, 209, 0.16), transparent 62%),
    radial-gradient(90% 120% at 0% 110%, rgba(200, 112, 47, 0.16), transparent 60%),
    var(--db-ink-800);
  border: 1px solid var(--db-hairline);
  border-radius: var(--db-radius);
  box-shadow: var(--db-shadow-1), var(--db-shadow-2);
  overflow: hidden;
}
.page-home .ph-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(232, 238, 245, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(232, 238, 245, 0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(78% 90% at 85% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(78% 90% at 85% 0%, #000 0%, transparent 76%);
  pointer-events: none;
}
.page-home .ph-hero__grid,
.page-home .ph-indexbar {
  position: relative;
  z-index: 1;
}
.page-home .ph-hero__grid {
  display: grid;
  gap: 22px;
}
.page-home .ph-hero__title {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.8vw, 42px);
  line-height: 1.24;
  font-weight: 900;
  letter-spacing: 0.045em;
  color: var(--db-text);
}
.page-home .ph-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--db-text-soft);
}
.page-home .ph-groups {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-groups li {
  padding: 5px 10px;
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--db-copper-300);
  border: 1px solid rgba(233, 160, 99, 0.42);
  border-radius: 2px;
  background: rgba(10, 21, 38, 0.5);
}
.page-home .ph-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 4px;
}
.page-home .ph-hero__visual {
  margin: 0;
}
.page-home .ph-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--db-hairline);
  border-radius: 2px;
  background: var(--db-ink-900);
}

/* 悬浮索引条 */
.page-home .ph-indexbar {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 24px;
  padding: 12px 0 16px;
  border-top: 1px solid var(--db-hairline);
}
.page-home .ph-indexbar__label {
  font-family: var(--db-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--db-cyan-400);
}
.page-home .ph-indexbar__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-home .ph-chip {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  padding: 7px 12px;
  font-family: var(--db-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--db-text-soft);
  text-decoration: none;
  background: rgba(23, 41, 63, 0.62);
  border: 1px solid var(--db-hairline);
  border-radius: 2px;
  transition: color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.page-home .ph-chip:hover,
.page-home .ph-chip:focus-visible {
  color: #ffffff;
  border-color: var(--db-cyan-400);
  box-shadow: inset 0 -2px 0 var(--db-cyan-400);
  outline: none;
}

/* 三条快速路径：错位压住首屏下缘 */
.page-home .ph-paths {
  position: relative;
  margin-top: -30px;
  padding: 26px 20px 30px;
  background: var(--db-ink-700);
  border: 1px solid var(--db-hairline);
  border-radius: var(--db-radius);
  box-shadow: var(--db-shadow-2);
}
.page-home .ph-paths__title {
  margin: 10px 0 10px;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: 0.05em;
  color: var(--db-text);
}
.page-home .ph-paths__lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--db-muted);
}
.page-home .ph-paths__grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}
.page-home .ph-path {
  --ph-accent: var(--db-copper-500);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px 16px 18px;
  background: linear-gradient(180deg, rgba(10, 21, 38, 0.92), rgba(16, 31, 51, 0.96));
  border: 1px solid var(--db-hairline);
  border-top: 3px solid var(--ph-accent);
  box-shadow: var(--ph-card-shadow);
}
.page-home .ph-path--cyan {
  --ph-accent: var(--db-cyan-400);
}
.page-home .ph-path--amber {
  --ph-accent: var(--db-amber-400);
}
.page-home .ph-path__no {
  margin: 0;
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--ph-accent);
  text-transform: uppercase;
}
.page-home .ph-path__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--db-text);
}
.page-home .ph-path__steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-path__steps li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--db-text-soft);
}
.page-home .ph-path__steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  bottom: 0.35em;
  width: 2px;
  background: var(--ph-accent);
  opacity: 0.72;
}
.page-home .ph-path__img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--db-hairline);
  border-radius: 2px;
  background: var(--db-ink-900);
}
.page-home .ph-path__note {
  margin: 0;
  font-family: var(--db-mono);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--db-amber-400);
}
.page-home .ph-path__link {
  margin-top: auto;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--db-copper-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 160, 99, 0.4);
  align-self: flex-start;
  padding-bottom: 2px;
}
.page-home .ph-path__link::after {
  content: " →";
  color: var(--db-cyan-400);
}
.page-home .ph-path__link:hover,
.page-home .ph-path__link:focus-visible {
  color: var(--db-cyan-400);
  border-bottom-color: var(--db-cyan-400);
  outline: none;
}

/* 满宽状态板 */
.page-home .ph-status {
  position: relative;
  margin-top: var(--ph-gap);
  padding: 34px 0 38px;
  background: linear-gradient(180deg, rgba(14, 58, 56, 0.94), rgba(10, 21, 38, 0.97));
  border-bottom: 1px solid var(--db-hairline);
}
.page-home .ph-status::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--db-copper-500), var(--db-cyan-400) 58%, var(--db-amber-400));
}
.page-home .ph-status__inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}
.page-home .ph-status__title {
  margin: 10px 0 10px;
  font-size: 24px;
  line-height: 1.32;
  letter-spacing: 0.04em;
  color: var(--db-text);
}
.page-home .ph-status__lede {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--db-text-soft);
}
.page-home .ph-status__tabs {
  margin-top: 22px;
}
.page-home .ph-status__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.page-home .ph-status__tab {
  padding: 8px 14px;
  font-family: var(--db-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--db-text-soft);
  background: rgba(10, 21, 38, 0.55);
  border: 1px solid var(--db-hairline);
  border-radius: 2px;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.page-home .ph-status__tab:hover,
.page-home .ph-status__tab:focus-visible {
  color: var(--db-cyan-400);
  border-color: var(--db-cyan-400);
  outline: none;
}
.page-home .ph-status__tab[aria-selected="true"] {
  color: var(--db-ink-900);
  background: var(--db-cyan-400);
  border-color: var(--db-cyan-400);
  font-weight: 700;
}
.page-home .ph-status__panel {
  padding: 18px 16px;
  background: rgba(10, 21, 38, 0.55);
  border: 1px solid var(--db-hairline);
  border-radius: var(--db-radius);
}
.page-home .ph-meters {
  display: grid;
  gap: 16px;
}
.page-home .ph-meter {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--db-cyan-400);
}
.page-home .ph-meter--warn {
  border-left-color: var(--db-amber-400);
}
.page-home .ph-meter__key {
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--db-muted);
}
.page-home .ph-meter__val {
  font-family: var(--db-mono);
  font-size: 24px;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--db-cyan-400);
}
.page-home .ph-meter__val--warn {
  color: var(--db-amber-400);
}
.page-home .ph-meter__unit {
  font-size: 12px;
  margin-left: 4px;
  letter-spacing: 0.06em;
  color: var(--db-muted);
}
.page-home .ph-meter__note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--db-text-soft);
}
.page-home .ph-status__hint {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--db-hairline-soft);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--db-text-soft);
}
.page-home .ph-matrix {
  margin: 24px 0 0;
}
.page-home .ph-matrix img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--db-hairline);
  border-radius: 2px;
  background: var(--db-ink-900);
}
.page-home .ph-matrix__cap {
  margin-top: 10px;
  font-family: var(--db-mono);
  font-size: 11.5px;
  line-height: 1.75;
  letter-spacing: 0.03em;
  color: var(--db-muted);
}

/* 变更摘要 */
.page-home .ph-log {
  margin-top: var(--ph-gap);
}
.page-home .ph-log::before {
  content: "";
  display: block;
  height: 6px;
  margin-bottom: 30px;
  background: linear-gradient(90deg, var(--db-copper-500), rgba(200, 112, 47, 0.06) 78%);
}
.page-home .ph-log__grid {
  display: grid;
  gap: 24px;
}
.page-home .ph-log__title {
  margin: 10px 0 12px;
  font-size: 24px;
  line-height: 1.32;
  letter-spacing: 0.04em;
  color: var(--db-text);
}
.page-home .ph-log__lede {
  margin: 0 0 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--db-muted);
}
.page-home .ph-log__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-log__item {
  position: relative;
  padding: 0 0 20px 20px;
  border-left: 1px solid var(--db-hairline);
}
.page-home .ph-log__item:last-child {
  padding-bottom: 0;
}
.page-home .ph-log__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--db-copper-500);
  border-radius: 50%;
}
.page-home .ph-log__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.page-home .ph-log__tag {
  font-family: var(--db-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  color: var(--db-cyan-400);
  border: 1px solid rgba(53, 211, 209, 0.42);
  border-radius: 2px;
}
.page-home .ph-log__scope {
  font-family: var(--db-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--db-muted);
}
.page-home .ph-log__itemTitle {
  margin: 10px 0 6px;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  color: var(--db-text);
}
.page-home .ph-log__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--db-text-soft);
}

/* 收藏与导出 */
.page-home .ph-export {
  margin-top: var(--ph-gap);
  padding: 28px 20px 30px;
  background: linear-gradient(150deg, rgba(42, 42, 94, 0.62), rgba(16, 31, 51, 0.9));
  border: 1px solid var(--db-hairline);
  border-radius: var(--db-radius);
  box-shadow: var(--ph-card-shadow);
}
.page-home .ph-export__grid {
  display: grid;
  gap: 24px;
}
.page-home .ph-export__title {
  margin: 10px 0 12px;
  font-size: 23px;
  line-height: 1.34;
  letter-spacing: 0.04em;
  color: var(--db-text);
}
.page-home .ph-export__lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--db-text-soft);
}
.page-home .ph-export__steps {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-export__steps li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--db-text);
}
.page-home .ph-export__steps li span {
  flex: none;
  font-family: var(--db-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--db-copper-300);
}
.page-home .ph-export__path {
  margin: 18px 0 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--db-cyan-400);
  background: rgba(10, 21, 38, 0.62);
  border-left: 2px solid var(--db-cyan-400);
}
.page-home .ph-export__aside {
  padding: 18px 16px;
  background: rgba(10, 21, 38, 0.6);
  border: 1px solid var(--db-hairline);
  border-radius: 2px;
}
.page-home .ph-export__asideTitle {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--db-paper);
}
.page-home .ph-export__asideList {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-export__asideList li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--db-text-soft);
}
.page-home .ph-export__asideList li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--db-copper-500);
}
.page-home .ph-export__tip {
  margin: 16px 0 10px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--db-muted);
}
.page-home .ph-export__link {
  font-size: 13px;
  color: var(--db-copper-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 160, 99, 0.4);
  padding-bottom: 2px;
}
.page-home .ph-export__link:hover,
.page-home .ph-export__link:focus-visible {
  color: var(--db-cyan-400);
  border-bottom-color: var(--db-cyan-400);
  outline: none;
}

/* 服务与支持 */
.page-home .ph-support {
  margin-top: var(--ph-gap);
}
.page-home .ph-support__title {
  margin: 10px 0 0;
  font-size: 23px;
  line-height: 1.36;
  letter-spacing: 0.04em;
  color: var(--db-text);
}
.page-home .ph-support__grid {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}
.page-home .ph-support__main {
  padding: 20px 18px;
  background: var(--db-ink-800);
  border: 1px solid var(--db-hairline);
  border-top: 3px solid var(--db-copper-500);
  border-radius: 0 0 var(--db-radius) var(--db-radius);
  box-shadow: var(--ph-card-shadow);
}
.page-home .ph-support__subTitle {
  margin: 0 0 14px;
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--db-paper);
}
.page-home .ph-support__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-home .ph-support__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--db-text-soft);
}
.page-home .ph-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  bottom: 0.3em;
  width: 2px;
  background: var(--db-copper-500);
  opacity: 0.7;
}
.page-home .ph-support__list strong {
  color: var(--db-text);
  font-weight: 700;
}
.page-home .ph-support__side {
  padding: 20px 18px;
  background: linear-gradient(160deg, rgba(107, 44, 63, 0.55), rgba(16, 31, 51, 0.92));
  border: 1px solid var(--db-hairline);
  border-radius: var(--db-radius);
  box-shadow: var(--ph-card-shadow);
}
.page-home .ph-support__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
}
.page-home .ph-support__num {
  font-family: var(--db-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--db-amber-400);
}
.page-home .ph-support__unit {
  font-family: var(--db-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--db-text-soft);
}
.page-home .ph-support__statNote {
  margin: 8px 0 20px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--db-text-soft);
}
.page-home .ph-support__side .db-btn {
  margin-bottom: 12px;
}
.page-home .ph-support__minor {
  display: inline-block;
  font-size: 12.5px;
  color: var(--db-copper-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 160, 99, 0.4);
}
.page-home .ph-support__minor:hover,
.page-home .ph-support__minor:focus-visible {
  color: var(--db-cyan-400);
  border-bottom-color: var(--db-cyan-400);
  outline: none;
}
.page-home .ph-support__closing {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--db-hairline-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--db-muted);
}

@media (min-width: 700px) {
  .page-home .ph-wrap {
    padding: 0 32px;
  }
  .page-home .ph-hero {
    padding: 32px 32px 0;
  }
  .page-home .ph-paths {
    padding: 30px 30px 34px;
    margin-top: -44px;
    margin-left: 36px;
  }
  .page-home .ph-export {
    padding: 32px 30px 34px;
  }
  .page-home .ph-status__inner {
    padding: 0 32px;
  }
  .page-home .ph-status__panel {
    padding: 22px 22px;
  }
  .page-home .ph-meters {
    grid-template-columns: 1.05fr 1fr 1.15fr;
    gap: 20px;
  }
  .page-home .ph-status__title,
  .page-home .ph-log__title,
  .page-home .ph-support__title,
  .page-home .ph-export__title {
    font-size: 28px;
  }
  .page-home .ph-paths__title {
    font-size: 28px;
  }
}

@media (min-width: 900px) {
  .page-home .ph-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 34px;
  }
  .page-home .ph-hero__visual {
    transform: translateY(6px);
  }
  .page-home .ph-paths {
    margin-left: 48px;
  }
  .page-home .ph-paths__grid {
    grid-template-columns: 1.18fr 1fr 0.96fr;
    align-items: start;
    gap: 18px;
  }
  .page-home .ph-path:nth-child(2) {
    margin-top: 24px;
  }
  .page-home .ph-path:nth-child(3) {
    margin-top: 48px;
  }
  .page-home .ph-log__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
  .page-home .ph-export__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 34px;
    align-items: start;
  }
  .page-home .ph-support__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ph-chip,
  .page-home .ph-status__tab {
    transition: none;
  }
}
<<<END>>>