/* ==========================================================
   首页 · page-home
   ========================================================== */
.page-home {
  --home-hair: 1px solid var(--c-grid);
  display: block;
  background: var(--c-white);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 42px) 0 clamp(26px, 3.6vw, 50px);
  background:
    radial-gradient(130% 110% at 98% -8%, rgba(27, 58, 92, .13), transparent 60%),
    radial-gradient(80% 80% at -6% 108%, rgba(216, 6, 33, .06), transparent 62%),
    var(--c-white);
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.6vw, 50px);
  align-items: end;
}

.page-home .hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: .8em;
  margin: 0 0 clamp(14px, 2.4vw, 24px);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-home .hero__kicker::before {
  content: "";
  flex: none;
  width: 30px;
  height: 3px;
  background: var(--c-red);
}

.page-home .hero__title {
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 76px);
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--c-navy);
}

.page-home .hero__lede {
  max-width: 34em;
  margin: 0 0 clamp(20px, 2.8vw, 30px);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-home .hero__facts {
  margin: 0;
  padding-top: 14px;
  border-top: var(--home-hair);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--c-slate);
}

.page-home .hero__figure {
  margin: 0;
}

@media (min-width: 920px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(40px, 5vw, 80px);
  }
}

/* ---------- 首层服务栏 ---------- */
.page-home .gates {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 3.2vw, 40px) 0 clamp(28px, 3.8vw, 50px);
  background: linear-gradient(108deg, var(--c-navy) 0%, #16324C 46%, #6E0A1C 118%);
  color: var(--c-white);
}

.page-home .gates::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px);
  background-size: 56px 56px;
}

.page-home .gates .wrap {
  position: relative;
  z-index: 1;
}

.page-home .gates__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  padding-bottom: 16px;
  margin-bottom: clamp(18px, 2.4vw, 28px);
  border-bottom: 1px solid rgba(255, 255, 255, .22);
}

.page-home .gates__heading {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 22px);
  letter-spacing: .04em;
  color: var(--c-white);
}

.page-home .gates__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .62);
}

.page-home .gate-list {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .gate {
  border-top: 1px solid rgba(255, 255, 255, .16);
}

.page-home .gate:first-child {
  border-top: 0;
}

.page-home .gate__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 0 20px;
  color: inherit;
  text-decoration: none;
  transition: transform var(--step) var(--ease);
}

.page-home .gate__link:hover,
.page-home .gate__link:focus-visible {
  transform: translateY(-2px);
}

.page-home .gate__index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--c-aurora);
}

.page-home .gate__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.2;
  color: var(--c-white);
  transition: color var(--step) var(--ease);
}

.page-home .gate__link:hover .gate__label {
  color: var(--c-orange);
}

.page-home .gate__desc {
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .72);
}

.page-home .gate__path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--c-aurora);
  max-height: 3.2em;
  opacity: 1;
  overflow: hidden;
  transition: max-height var(--step) var(--ease), opacity var(--step) var(--ease);
}

@media (min-width: 640px) {
  .page-home .gate-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }
  .page-home .gate:nth-child(2) {
    border-top: 0;
  }
}

@media (min-width: 1040px) {
  .page-home .gate-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(22px, 2.6vw, 44px);
  }
  .page-home .gate {
    border-top: 0;
    border-left: 1px solid rgba(255, 255, 255, .16);
    padding-left: clamp(18px, 2vw, 28px);
  }
  .page-home .gate:first-child {
    border-left: 0;
    padding-left: 0;
  }
  .page-home .gate__path {
    max-height: 0;
    opacity: 0;
  }
  .page-home .gate__link:hover .gate__path,
  .page-home .gate__link:focus-visible .gate__path,
  .page-home .gate__link:focus-within .gate__path {
    max-height: 3.2em;
    opacity: 1;
  }
}

/* ---------- 为什么行家都这么叫 ---------- */
.page-home .why {
  background: var(--c-white);
}

.page-home .why__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 36px);
}

.page-home .why__aside {
  padding-top: 16px;
  border-top: 3px solid var(--c-red);
}

.page-home .why__stat {
  margin: 14px 0 0;
}

.page-home .why__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(48px, 7vw, 72px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-navy);
}

.page-home .why__unit {
  margin-left: 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--c-red);
}

.page-home .why__stat-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-home .why__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  color: var(--c-navy);
}

.page-home .why__lede {
  margin: 0 0 18px;
  color: var(--c-ink);
}

.page-home .why__p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-home .why__figure {
  margin: clamp(30px, 4vw, 54px) 0 0;
}

@media (min-width: 900px) {
  .page-home .why__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    column-gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

/* ---------- 资料库 ---------- */
.page-home .library__head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.page-home .library__title {
  margin: 0;
  color: var(--c-navy);
}

.page-home .library__lede {
  margin: 0;
  color: var(--c-ink);
}

.page-home .library__panel .filter-bar {
  margin-bottom: 22px;
}

.page-home .library__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--home-hair);
}

.page-home .library__item {
  padding: 18px 0 20px;
  border-bottom: var(--home-hair);
  transition: transform var(--step) var(--ease);
}

.page-home .library__item:hover {
  transform: translateY(-2px);
}

.page-home .library__item-title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--c-navy);
}

.page-home .library__item-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-home .library__figure {
  margin: 0;
}

@media (min-width: 900px) {
  .page-home .library__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(32px, 5vw, 72px);
    align-items: end;
  }
  .page-home .library__head .eyebrow {
    grid-column: 1 / -1;
  }
  .page-home .library__title {
    grid-column: 1;
  }
  .page-home .library__lede {
    grid-column: 2;
  }
}

@media (min-width: 980px) {
  .page-home .library__body {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(36px, 4.5vw, 64px);
    align-items: start;
  }
}

/* ---------- 服务覆盖 ---------- */
.page-home .cover {
  background: var(--c-white);
}

.page-home .cover__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 44px);
}

.page-home .cover__title {
  margin: 0 0 16px;
  color: var(--c-navy);
}

.page-home .cover__intro .lede {
  margin: 0 0 22px;
  color: var(--c-ink);
}

.page-home .cover__levels {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .cover__level {
  padding: 18px 0;
  border-top: var(--home-hair);
}

.page-home .cover__level:last-child {
  border-bottom: var(--home-hair);
}

.page-home .cover__level-key {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-blue-mid);
}

.page-home .cover__level-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-home .cover__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(30px, 4vw, 54px) 0 0;
  padding: 0;
  background: var(--c-grid);
  border: var(--home-hair);
}

.page-home .cover__stat {
  margin: 0;
  padding: 20px 18px 22px;
  background: var(--c-white);
}

.page-home .cover__stat dt {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-home .cover__stat dd {
  display: flex;
  align-items: baseline;
  gap: 5px;
  margin: 0;
}

.page-home .cover__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-navy);
}

.page-home .cover__unit {
  font-size: 14px;
  font-weight: 600;
  color: var(--c-slate);
}

@media (min-width: 720px) {
  .page-home .cover__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-home .cover__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    column-gap: clamp(40px, 5.5vw, 88px);
    align-items: start;
  }
}

/* ---------- 跨设备 ---------- */
.page-home .device .eyebrow {
  color: rgba(255, 255, 255, .72);
}

.page-home .device__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.page-home .device__title {
  margin: 0 0 16px;
  color: var(--c-white);
}

.page-home .device__p {
  max-width: 60ch;
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
}

.page-home .device__points {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-home .device__points li {
  position: relative;
  padding: 10px 0 10px 24px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .78);
}

.page-home .device__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 10px;
  height: 2px;
  background: var(--c-aurora);
}

.page-home .device .btn--quiet {
  color: var(--c-white);
  border-color: rgba(255, 255, 255, .42);
}

.page-home .device .btn--quiet:hover {
  border-color: var(--c-orange);
}

.page-home .device__figure {
  margin: 0;
}

.page-home .device__figure .figure__caption {
  color: rgba(255, 255, 255, .6);
}

@media (min-width: 940px) {
  .page-home .device__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    column-gap: clamp(40px, 5.5vw, 88px);
  }
}

/* ---------- 行家笔记 ---------- */
.page-home .notes__head {
  margin-bottom: clamp(24px, 3.2vw, 40px);
}

.page-home .notes__title {
  margin: 0;
  color: var(--c-navy);
}

.page-home .notes__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0 0 clamp(26px, 3.2vw, 40px);
  padding: 0;
  list-style: none;
}

.page-home .notes__item {
  padding: 22px 0 24px;
  border-top: var(--home-hair);
  transition: transform var(--step) var(--ease);
}

.page-home .notes__item:last-child {
  border-bottom: var(--home-hair);
}

.page-home .notes__item:hover {
  transform: translateY(-2px);
}

.page-home .notes__when {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-red);
}

.page-home .notes__title-h {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.45;
  color: var(--c-navy);
}

.page-home .notes__desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-home .notes__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--c-blue-mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--step) var(--ease), border-color var(--step) var(--ease);
}

.page-home .notes__link:hover {
  color: var(--c-red);
  border-bottom-color: var(--c-orange);
}

@media (min-width: 880px) {
  .page-home .notes__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 48px);
  }
  .page-home .notes__item {
    border-bottom: var(--home-hair);
    padding-right: 6px;
  }
  .page-home .notes__item:nth-child(2) {
    padding-top: 54px;
  }
  .page-home .notes__item:nth-child(3) {
    padding-top: 30px;
  }
}

/* ---------- 人工支持 ---------- */
.page-home .support {
  background: var(--c-white);
}

.page-home .support__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 42px);
}

.page-home .support__title {
  margin: 0 0 14px;
  color: var(--c-navy);
}

.page-home .support__p {
  max-width: 56ch;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink);
}

.page-home .support__hours {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .04em;
  color: var(--c-slate);
}

.page-home .support__channels {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 3px solid var(--c-red);
}

.page-home .support__cta {
  align-self: flex-start;
  margin-top: 6px;
}

@media (min-width: 900px) {
  .page-home .support__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    column-gap: clamp(40px, 5.5vw, 88px);
    align-items: start;
  }
}
<<<END>>>