.page-contact {
  display: block;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

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

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .section-head {
  margin-bottom: 2rem;
}

.page-contact .section-head__desc {
  max-width: 60ch;
}

/* ================= 页首 ================= */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(1.25rem, 3.5vw, 2.25rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(115% 85% at 90% 8%, rgba(255, 210, 0, 0.08), transparent 62%),
    radial-gradient(90% 70% at 6% 100%, rgba(40, 199, 168, 0.07), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  overflow: hidden;
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
}

.page-contact .ct-hero__eyebrow {
  margin: 0 0 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .ct-hero h1 {
  margin: 0 0 1.15rem;
  font-size: clamp(1.85rem, 5.4vw, 3.15rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-contact .ct-hero__lead {
  margin: 0 0 1.6rem;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact .ct-hero__figure {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-left: 3px solid var(--signal);
}

/* ================= 路径分流 ================= */
.page-contact .ct-paths {
  padding: clamp(2.75rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.page-contact .ct-paths__grid {
  display: grid;
  gap: 1.25rem;
}

.page-contact .ct-path {
  position: relative;
  border: 1px solid var(--border);
  border-left: 5px solid var(--signal);
  background: var(--bg-2);
  box-shadow: 10px 10px 0 -2px var(--wash);
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .ct-path--service {
  border-left-color: var(--jade);
}

.page-contact .ct-path__head {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.25rem 1.25rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-contact .ct-path__head::-webkit-details-marker {
  display: none;
}

.page-contact .ct-path__head:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: -2px;
}

.page-contact .ct-path__badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--signal);
}

.page-contact .ct-path--service .ct-path__badge {
  color: var(--accent-fg);
}

.page-contact .ct-path__titles {
  display: block;
  min-width: 0;
}

.page-contact .ct-path__title {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-contact .ct-path__sub {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.page-contact .ct-path__body {
  padding: 0 1.25rem 1.4rem;
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-contact .ct-path__body p {
  margin: 0 0 0.9rem;
  color: var(--text-dim);
}

.page-contact .ct-path__body a {
  color: var(--accent-fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-path__list {
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.page-contact .ct-path__list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.35rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.page-contact .ct-path__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  width: 0.5rem;
  height: 2px;
  background: var(--signal);
}

.page-contact .ct-path--service .ct-path__list li::before {
  background: var(--jade);
}

.page-contact .ct-path__foot {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ================= 渠道 ================= */
.page-contact .ct-channels {
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .ct-channel-list {
  display: grid;
  border-top: 2px solid var(--signal);
}

.page-contact .ct-channel {
  display: grid;
  gap: 0.6rem;
  padding: 1.35rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
}

.page-contact .ct-channel__id {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.9rem;
  min-width: 0;
}

.page-contact .ct-channel__key {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-contact .ct-channel__val {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__use {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-copy {
  justify-self: start;
  padding: 0.42rem 0.85rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  border-color: var(--jade);
  color: var(--accent-fg);
}

.page-contact .ct-copy[data-active="true"] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--signal-ink);
}

.page-contact .ct-channel-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ================= 合作 ================= */
.page-contact .ct-coop {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .ct-directions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 2.25rem;
  padding: 0;
  list-style: none;
}

.page-contact .ct-directions .tag {
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
}

.page-contact .ct-flow {
  display: grid;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-step {
  position: relative;
  padding-top: 1rem;
  border-top: 2px solid var(--border);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-contact .ct-step:hover,
.page-contact .ct-step:focus-within {
  border-top-color: var(--jade);
  transform: translateY(-3px);
}

.page-contact .ct-step__num {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1.35rem;
  line-height: 1;
  color: var(--signal);
}

.page-contact .ct-step__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .ct-step__more {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
  opacity: 1;
}

@media (hover: hover) and (min-width: 900px) {
  .page-contact .ct-step__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.38s var(--ease), opacity 0.26s var(--ease);
  }

  .page-contact .ct-step:hover .ct-step__more,
  .page-contact .ct-step:focus-within .ct-step__more {
    max-height: 9rem;
    opacity: 1;
  }
}

/* ================= 留言清单 ================= */
.page-contact .ct-brief {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.page-contact .ct-brief__layout {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-brief-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.page-contact .ct-brief-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 0.9rem;
  align-items: start;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--border);
}

.page-contact .ct-brief__check {
  position: relative;
  display: block;
  width: 1rem;
  height: 1rem;
  margin-top: 0.35rem;
  border: 1px solid var(--jade);
}

.page-contact .ct-brief__check::after {
  content: "";
  position: absolute;
  left: 0.16rem;
  top: 0.3rem;
  width: 0.55rem;
  height: 0.3rem;
  border-left: 2px solid var(--jade);
  border-bottom: 2px solid var(--jade);
  transform: rotate(-45deg);
}

.page-contact .ct-brief__body {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.page-contact .ct-brief__body strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .ct-brief__body span {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-brief__aside {
  padding: 1.35rem 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--amber);
  background: var(--bg-3);
}

.page-contact .ct-brief__aside h3 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-weight: 700;
}

.page-contact .ct-brief__aside ol {
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
  counter-reset: brief-aside;
}

.page-contact .ct-brief__aside li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.9rem;
  border-bottom: 1px dashed var(--border);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
  counter-increment: brief-aside;
}

.page-contact .ct-brief__aside li::before {
  content: counter(brief-aside, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
}

.page-contact .ct-brief__aside p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ================= 之后 ================= */
.page-contact .ct-after {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.page-contact .ct-after__grid {
  display: grid;
  gap: 2.25rem;
}

.page-contact .ct-after__lead {
  margin: 0 0 1.75rem;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .ct-after__timeline {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.page-contact .ct-after__timeline li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed var(--border);
}

.page-contact .ct-after__stamp {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .ct-after__text {
  font-size: 0.89rem;
  line-height: 1.75;
  color: var(--text-dim);
  overflow-wrap: anywhere;
}

.page-contact .ct-after__tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-after__figure {
  margin: 0;
  width: 100%;
  border-bottom: 3px solid var(--jade);
}

/* ================= 下一步 ================= */
.page-contact .ct-next {
  padding: 0 0 clamp(3rem, 7vw, 5rem);
}

.page-contact .ct-next__inner {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--border);
  background:
    linear-gradient(115deg, rgba(255, 210, 0, 0.06) 0%, transparent 45%),
    var(--bg-2);
}

.page-contact .ct-next__title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  letter-spacing: -0.015em;
}

.page-contact .ct-next__copy p {
  margin: 0 0 1.35rem;
  max-width: 52ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .ct-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ================= 响应式 ================= */
@media (min-width: 700px) {
  .page-contact .ct-paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    gap: 1.5rem;
  }

  .page-contact .ct-path--service {
    margin-top: 2rem;
  }

  .page-contact .ct-after__timeline li {
    grid-template-columns: 7rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.25rem;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
    margin-top: 2.25rem;
  }

  .page-contact .ct-channel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr) auto;
    grid-template-areas: "id use act";
    align-items: center;
    column-gap: 2rem;
    row-gap: 0;
    padding: 1.6rem 0;
  }

  .page-contact .ct-channel__id {
    grid-area: id;
    display: block;
  }

  .page-contact .ct-channel__key {
    display: block;
    margin-bottom: 0.3rem;
  }

  .page-contact .ct-channel__use {
    grid-area: use;
  }

  .page-contact .ct-copy {
    grid-area: act;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.75rem;
  }

  .page-contact .ct-brief__layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-contact .ct-after__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact .ct-next__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
    align-items: center;
  }

  .page-contact .ct-next__copy p {
    margin-bottom: 0;
  }

  .page-contact .ct-next__links {
    justify-content: flex-end;
    max-width: 24rem;
  }
}
<<<END>>>