.page-home {
  --home-shadow: 0 24px 56px -34px rgba(12, 42, 87, 0.55);
  --home-cut: 24px;
  display: block;
}

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

.page-home .hero-arena,
.page-home .adapt-band,
.page-home .record-flow,
.page-home .pulse-band,
.page-home .trust-strip,
.page-home .revisit {
  position: relative;
}

/* ---------- 首屏 ---------- */

.page-home .hero-arena {
  background: var(--grad-head);
  overflow: hidden;
  padding: clamp(32px, 7vw, 72px) 0 clamp(56px, 9vw, 110px);
}

.page-home .hero-arena::after {
  content: "";
  position: absolute;
  right: -6%;
  bottom: 0;
  width: 78%;
  height: 30%;
  background: var(--c-paper);
  clip-path: polygon(22% 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-home .hero-arena__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-home .hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-home .hero-copy .eyebrow {
  color: var(--c-gold);
}

.page-home .hero-copy .lede {
  margin: 18px 0 0;
  max-width: 34em;
  color: rgba(244, 246, 242, 0.86);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 34px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(244, 246, 242, 0.22);
}

.page-home .hero-stats__item {
  min-width: 0;
}

.page-home .hero-stats dt {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(244, 246, 242, 0.64);
}

.page-home .hero-stats dd {
  margin: 6px 0 0;
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--c-gold);
  white-space: nowrap;
}

/* 对照面板 */

.page-home .hero-compare {
  min-width: 0;
  background: var(--c-paper);
  color: var(--c-ink);
  clip-path: polygon(0 0, calc(100% - var(--home-cut)) 0, 100% var(--home-cut), 100% 100%, 0 100%);
  box-shadow: var(--home-shadow);
}

.page-home .hero-compare__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 18px;
  padding: 14px 20px;
  background: var(--c-mint);
  border-top: 3px solid var(--c-gold);
  border-bottom: 1px solid var(--line);
}

.page-home .hero-compare__id {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-teal);
}

.page-home .hero-compare .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.page-home .hero-compare .tab-btn {
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: 2px;
  background: transparent;
  color: var(--c-blue);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .hero-compare .tab-btn:hover {
  background: rgba(18, 60, 122, 0.1);
}

.page-home .hero-compare .tab-btn.is-active {
  background: var(--c-blue);
  color: var(--c-paper);
}

.page-home .hero-compare .tab-btn:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-home .hero-compare__stage {
  min-height: 210px;
  padding: 20px;
}

.page-home .compare-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-home .compare-slot {
  min-width: 0;
  padding: 14px 16px 16px;
  border: 1px solid var(--line);
}

.page-home .compare-slot--legacy {
  background: var(--c-sand);
  border-left: 4px solid var(--c-brick);
}

.page-home .compare-slot--new {
  background: var(--c-mint);
  border-left: 4px solid var(--c-teal);
}

.page-home .compare-slot .tag {
  display: inline-block;
  font-size: 12px;
}

.page-home .compare-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-home .compare-list li {
  display: flex;
  gap: 9px;
  align-items: baseline;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

.page-home .compare-list li .mono {
  font-size: 12px;
  color: var(--c-mist);
}

.page-home .compare-points {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.page-home .compare-points li::marker {
  color: var(--c-mist);
}

.page-home .hero-compare__shot {
  margin: 0;
  border-top: 1px solid var(--line);
  background: var(--c-blue-deep);
}

.page-home .hero-compare__shot img {
  display: block;
  width: 100%;
  height: clamp(150px, 21vw, 232px);
  object-fit: cover;
  object-position: top center;
}

/* ---------- 适配清单 ---------- */

.page-home .adapt-band {
  background: var(--c-paper);
  padding: clamp(52px, 9vw, 104px) 0;
}

.page-home .adapt-band__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-home .adapt-band__media {
  margin: 0;
  background: var(--c-sand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

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

.page-home .adapt-band__text {
  margin: 16px 0 0;
  max-width: 34em;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
}

.page-home .spec-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .spec-list__item {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 12px 14px;
  background: var(--c-mint);
  border-left: 3px solid var(--c-teal);
}

.page-home .spec-list__item:nth-child(even) {
  background: var(--c-sand);
  border-left-color: var(--c-gold);
}

.page-home .spec-list__num {
  flex: none;
  min-width: 4.2em;
  font-size: 14px;
  color: var(--c-blue);
}

.page-home .spec-list__txt {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
}

.page-home .adapt-band .btn {
  margin-top: 26px;
}

/* ---------- 三步流程 ---------- */

.page-home .record-flow {
  background: var(--c-sand);
  padding: clamp(52px, 9vw, 104px) 0;
}

.page-home .record-flow__lede {
  margin: 16px 0 0;
  max-width: 40em;
}

.page-home .flow-track {
  list-style: none;
  margin: 36px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .flow-step {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--c-paper);
  border-top: 3px solid var(--c-teal);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-home .flow-step__num {
  display: block;
  font-size: 22px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

.page-home .flow-step h3 {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
}

.page-home .flow-step p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(16, 27, 38, 0.78);
}

.page-home .flow-media {
  margin: 34px 0 0;
  background: var(--c-paper);
}

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

.page-home .flow-note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
}

.page-home .flow-note a {
  color: var(--c-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 迭代节奏 ---------- */

.page-home .pulse-band {
  overflow: hidden;
  background: var(--c-blue-deep);
  color: var(--c-paper);
  padding: clamp(56px, 10vw, 118px) 0;
}

.page-home .pulse-band__bg {
  position: absolute;
  inset: 0;
}

.page-home .pulse-band__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .pulse-band__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(15, 138, 117, 0.93) 0%, rgba(18, 60, 122, 0.92) 55%, rgba(12, 42, 87, 0.96) 100%);
}

.page-home .pulse-band__inner {
  position: relative;
  z-index: 1;
}

.page-home .pulse-band .eyebrow {
  color: var(--c-gold);
}

.page-home .section-title--light {
  color: var(--c-paper);
}

.page-home .pulse-band__text {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(244, 246, 242, 0.88);
}

.page-home .pulse-metrics {
  list-style: none;
  margin: 30px 0 0;
  padding: 24px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  border-top: 1px solid rgba(244, 246, 242, 0.24);
}

.page-home .pulse-metrics__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 246, 242, 0.9);
}

.page-home .pulse-metrics__item .mono {
  font-size: 20px;
  color: var(--c-gold);
}

.page-home .pulse-band .btn {
  margin-top: 32px;
}

/* ---------- 资质条 ---------- */

.page-home .trust-strip {
  background: var(--c-paper);
  padding: clamp(40px, 6vw, 68px) 0;
}

.page-home .trust-strip__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-home .trust-item {
  padding: 18px 18px 20px;
  border-top: 2px solid var(--line);
}

.page-home .trust-item__num {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--c-teal);
}

.page-home .trust-item__txt {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(16, 27, 38, 0.8);
}

/* ---------- 回访 ---------- */

.page-home .revisit {
  background: var(--c-mint);
  padding: clamp(52px, 9vw, 104px) 0;
}

.page-home .revisit__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-home .revisit__text {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
}

.page-home .revisit__links {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .revisit__links a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--c-blue);
  text-decoration: none;
  border-bottom: 1px dashed rgba(18, 60, 122, 0.42);
  padding-bottom: 3px;
}

.page-home .revisit__links a::before {
  content: "→";
  color: var(--c-gold);
  font-family: var(--font-mono);
}

.page-home .revisit__links a:hover {
  border-bottom-style: solid;
}

.page-home .revisit__card {
  padding: 26px 24px 28px;
  background: var(--c-paper);
  border-top: 3px solid var(--c-brick);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-home .revisit__card-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-home .revisit__card-num {
  margin: 12px 0 0;
  font-size: clamp(40px, 7vw, 60px);
  line-height: 1;
  color: var(--c-blue);
}

.page-home .revisit__card-text {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(16, 27, 38, 0.78);
}

/* ---------- 媒体查询 ---------- */

@media (min-width: 560px) {
  .page-home .compare-pair {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

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

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

@media (min-width: 860px) {
  .page-home .adapt-band__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-home .revisit__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-home .pulse-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

  .page-home .trust-strip__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1020px) {
  .page-home .hero-arena {
    padding-bottom: clamp(110px, 12vw, 170px);
    min-height: 640px;
  }

  .page-home .hero-arena::after {
    width: 62%;
    height: 34%;
  }

  .page-home .hero-arena__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
  }

  .page-home .hero-copy {
    padding-top: 18px;
  }

  .page-home .pulse-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 559px) {
  .page-home .hero-stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-home .hero-stats dd {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-compare .tab-btn {
    transition: none;
  }
}