.page-home {
  --home-gap: clamp(20px, 3vw, 36px);
  --home-sec-y: clamp(48px, 7vw, 96px);
  background-color: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-home [id] {
  scroll-margin-top: calc(var(--head-h) + 20px);
}

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.16;
  margin: 0;
}

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

.page-home [data-reveal] {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-home [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 章节跳转条 ---------- */
.page-home .home-jump {
  background-color: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.page-home .home-jump__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 22px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.page-home .home-jump__ctx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gray-500);
}

.page-home .home-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-jump__list a {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--gray-500);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-home .home-jump__list a:hover,
.page-home .home-jump__list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  padding: clamp(38px, 6vw, 88px) 0 clamp(34px, 4vw, 60px);
  background:
    radial-gradient(1100px 560px at 82% 6%, rgba(53, 240, 224, 0.09), transparent 64%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 92px 92px;
  opacity: 0.45;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 76%);
}

.page-home .home-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}

.page-home .home-hero__title {
  margin-top: 16px;
  font-size: clamp(40px, 10vw, 108px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-home .home-hero__hl {
  color: var(--orange);
}

.page-home .home-hero__lead {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 2.3vw, 17px);
  color: var(--gray-500);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-home .home-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background-color: var(--ink-800);
  overflow: hidden;
  box-shadow: 0 26px 64px rgba(0, 0, 0, 0.46);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-home .home-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 7px 14px;
  background: rgba(10, 15, 20, 0.84);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-home .home-hero__stats {
  list-style: none;
  margin: clamp(34px, 5vw, 62px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-hero__stat {
  background-color: var(--ink-900);
  padding: 18px 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .home-hero__num {
  font-size: clamp(32px, 6vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--orange);
}

.page-home .home-hero__stat:nth-child(3) .home-hero__num,
.page-home .home-hero__stat:nth-child(4) .home-hero__num {
  color: var(--cyan);
}

.page-home .home-hero__stat-label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gray-500);
}

.page-home .home-hero__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin: 18px 0 0;
}

.page-home .home-hero__stamp-text {
  font-size: 13px;
  color: var(--gray-500);
}

/* ---------- 通用章节头 ---------- */
.page-home .home-head {
  max-width: 62ch;
}

.page-home .home-head--dark {
  max-width: 66ch;
}

.page-home .home-head__title {
  margin-top: 14px;
  font-size: clamp(28px, 5.4vw, 52px);
  color: inherit;
}

.page-home .home-head__lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 2.2vw, 17px);
  color: var(--gray-500);
}

/* ---------- 两条服务通道 ---------- */
.page-home .home-services {
  padding: var(--home-sec-y) 0;
  background-color: var(--ink-800);
  border-bottom: 1px solid var(--line);
}

.page-home .home-tabs {
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .home-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 26px;
  padding: 0 0 0;
  list-style: none;
  border-bottom: 1px solid var(--line);
}

.page-home .home-tabs .tabs__tab {
  appearance: none;
  -webkit-appearance: none;
  margin-bottom: -1px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-bottom-color: transparent;
  border-radius: var(--r) var(--r) 0 0;
  background-color: transparent;
  color: var(--gray-500);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-home .home-tabs .tabs__tab:hover {
  color: var(--paper);
}

.page-home .home-tabs .tabs__tab[aria-selected="true"] {
  background-color: var(--orange);
  border-color: var(--orange);
  color: var(--ink-900);
}

.page-home .home-tabs .tabs__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
}

.page-home .home-tabs .tabs__panel[hidden] {
  display: none;
}

.page-home .home-panel__title {
  font-size: clamp(21px, 3vw, 27px);
  color: var(--paper);
}

.page-home .home-panel__text {
  margin: 14px 0 0;
  max-width: 58ch;
  color: var(--gray-500);
}

.page-home .home-panel__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background-color: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .home-panel__list li {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 12px 2px;
  background-color: var(--ink-800);
  font-size: 15px;
  color: var(--paper);
}

.page-home .home-panel__list .mono {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-home .home-panel__aside {
  align-self: start;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: var(--r);
  background-color: var(--ink-900);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-home .home-panel__big {
  display: block;
  margin: 12px 0 0;
  font-size: clamp(38px, 7vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--cyan);
}

.page-home .home-panel__note {
  margin: 12px 0 18px;
  font-size: 13px;
  color: var(--gray-500);
}

/* ---------- 认证编号序列 ---------- */
.page-home .home-serials {
  padding: var(--home-sec-y) 0;
  background-color: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-home .home-serials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

.page-home .home-serials__figure {
  margin: 28px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background-color: var(--ink-800);
  overflow: hidden;
}

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

.page-home .home-serials__figcap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}

.page-home .home-serials__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-serial {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  grid-template-areas:
    "idx title"
    "idx desc";
  column-gap: 12px;
  row-gap: 4px;
  padding: 16px 18px 18px;
  background-color: var(--ink-900);
  transition: background-color 0.2s ease;
}

.page-home .home-serial:hover {
  background-color: var(--ink-800);
}

.page-home .home-serial__idx {
  grid-area: idx;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-home .home-serial__title {
  grid-area: title;
  font-size: 17px;
  color: var(--paper);
}

.page-home .home-serial__desc {
  grid-area: desc;
  margin: 0;
  font-size: 14px;
  color: var(--gray-500);
}

/* ---------- 质保与保养 ---------- */
.page-home .home-warranty {
  padding: var(--home-sec-y) 0;
  background-color: var(--paper);
  color: var(--ink-900);
  border-bottom: 1px solid rgba(43, 55, 68, 0.16);
}

.page-home .home-warranty .exhibit-label {
  color: var(--ink-700);
}

.page-home .home-warranty .home-head__title {
  color: var(--ink-900);
}

.page-home .home-warranty .home-head__lead {
  color: var(--ink-700);
}

.page-home .home-warranty__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--home-gap);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-home .home-warranty__bands {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: rgba(43, 55, 68, 0.16);
  border: 1px solid rgba(43, 55, 68, 0.2);
}

.page-home .home-band {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  padding: 20px 10px 22px;
  background-color: var(--paper);
}

.page-home .home-band__num {
  font-size: clamp(34px, 6vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink-900);
}

.page-home .home-band:nth-child(2) .home-band__num,
.page-home .home-band:nth-child(3) .home-band__num {
  color: var(--orange);
}

.page-home .home-band__unit {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--ink-700);
}

.page-home .home-warranty__cap {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--ink-700);
}

.page-home .home-warranty__cycles {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(43, 55, 68, 0.2);
}

.page-home .home-warranty__cycles-title {
  font-size: 18px;
  color: var(--ink-900);
}

.page-home .home-cycles {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background-color: rgba(43, 55, 68, 0.16);
  border-top: 1px solid rgba(43, 55, 68, 0.2);
  border-bottom: 1px solid rgba(43, 55, 68, 0.2);
}

.page-home .home-cycle {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 2px;
  background-color: var(--paper);
}

.page-home .home-cycle__num {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-home .home-cycle__txt {
  font-size: 13px;
  color: var(--ink-700);
}

.page-home .home-warranty__figure {
  margin: 0;
  border: 1px solid rgba(43, 55, 68, 0.2);
  border-radius: var(--r);
  background-color: var(--ink-800);
  overflow: hidden;
}

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

.page-home .home-warranty__figcap {
  padding: 10px 14px;
  border-top: 1px solid rgba(43, 55, 68, 0.2);
  background-color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-700);
}

.page-home .home-warranty__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  margin: 24px 0 0;
}

.page-home .home-warranty__link {
  font-size: 14px;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
  transition: color 0.18s ease;
}

.page-home .home-warranty__link:hover,
.page-home .home-warranty__link:focus-visible {
  color: var(--orange);
}

/* ---------- 沈阳浑南验资工坊 ---------- */
.page-home .home-workshop {
  padding: var(--home-sec-y) 0;
  background-color: var(--ink-900);
}

.page-home .home-workshop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 50px);
  align-items: start;
}

.page-home .home-workshop__copy .home-head__lead + .home-head__lead {
  margin-top: 14px;
}

.page-home .home-workshop__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 16px 18px;
  background-color: var(--ink-800);
}

.page-home .home-fact__num {
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-home .home-fact__txt {
  font-size: 13px;
  color: var(--gray-500);
}

.page-home .home-workshop__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background:
    linear-gradient(150deg, var(--ink-800) 0%, var(--ink-900) 100%);
  overflow: hidden;
}

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

.page-home .home-workshop__figcap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}

.page-home .home-contact {
  margin-top: clamp(30px, 4vw, 52px);
  padding: 24px 20px 26px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--orange);
  border-radius: var(--r);
  background-color: var(--ink-800);
}

.page-home .home-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-home .home-contact__row:last-of-type {
  border-bottom: none;
}

.page-home .home-contact__key {
  flex: 0 0 56px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}

.page-home .home-contact__val {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  color: var(--paper);
  word-break: break-word;
}

.page-home .home-contact .copy-btn {
  flex: 0 0 auto;
  padding: 5px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background-color: transparent;
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-home .home-contact .copy-btn:hover,
.page-home .home-contact .copy-btn:focus-visible {
  background-color: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-home .home-contact__state {
  min-height: 0;
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--green);
}

.page-home .home-contact__note {
  margin: 14px 0 18px;
  font-size: 13px;
  color: var(--gray-500);
}

/* ---------- 最近更新 ---------- */
.page-home .home-reading {
  padding: var(--home-sec-y) 0 calc(var(--home-sec-y) + 12px);
  background-color: var(--ink-800);
  border-top: 1px solid var(--line);
}

.page-home .home-reading__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(28px, 4vw, 44px);
  background-color: var(--line);
  border: 1px solid var(--line);
}

.page-home .home-read {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px 26px;
  background-color: var(--ink-900);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-home .home-read:hover,
.page-home .home-read:focus-visible {
  background-color: var(--ink-700);
}

.page-home .home-read__tag {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-home .home-read__title {
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--paper);
}

.page-home .home-read__desc {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  color: var(--gray-500);
}

.page-home .home-read__go {
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s ease;
}

.page-home .home-read:hover .home-read__go,
.page-home .home-read:focus-visible .home-read__go {
  border-bottom-color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-home .home-warranty__bands {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

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

  .page-home .home-hero__stat {
    padding: 22px 20px 24px;
  }

  .page-home .home-tabs .tabs__panel {
    grid-template-columns: minmax(0, 1fr) 268px;
  }

  .page-home .home-serials__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

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

  .page-home .home-warranty__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-home .home-workshop__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-home .home-contact {
    padding: 26px 28px 30px;
  }

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

@media (min-width: 1100px) {
  .page-home .home-hero__stats {
    margin-top: clamp(44px, 5vw, 72px);
  }

  .page-home .home-serials__list {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal],
  .page-home .home-read,
  .page-home .home-serial,
  .page-home .home-jump__list a,
  .page-home .home-contact .copy-btn {
    transition: none;
    transform: none;
  }
}