.page-contact {
  --c-gap: clamp(1rem, 2.4vw, 1.75rem);
  --c-pad: clamp(1.15rem, 3vw, 2.1rem);
  color: var(--warm);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

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

.page-contact .contact-bar {
  padding-top: clamp(1rem, 2.5vw, 1.6rem);
}

.page-contact .contact-bar .breadcrumb {
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-open {
  position: relative;
  padding-block: clamp(1.6rem, 4vw, 3rem) clamp(2.2rem, 6vw, 4rem);
  overflow: hidden;
}

.page-contact .contact-open__head {
  max-width: 60rem;
}

.page-contact .contact-open__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  margin: 0.7rem 0 0;
}

.page-contact .contact-open__title span {
  display: block;
  color: var(--cyan);
}

.page-contact .contact-open__lede {
  margin: clamp(1rem, 2.4vw, 1.5rem) 0 0;
  max-width: 34rem;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .contact-open__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--c-gap);
  margin-top: clamp(1.8rem, 4.5vw, 3rem);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .contact-card {
  position: relative;
  padding: var(--c-pad);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(63, 242, 198, 0.1), transparent 62%),
    var(--field);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-card__label {
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .channel:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .channel__icon {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(63, 242, 198, 0.06);
  color: var(--cyan);
}

.page-contact .channel__icon svg {
  display: block;
  width: 1.1rem;
  height: 1.1rem;
}

.page-contact .channel__k {
  margin: 0 0 0.28rem;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .channel__v {
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.14rem);
  line-height: 1.55;
  color: var(--warm);
  overflow-wrap: anywhere;
}

.page-contact .channel__v--pick {
  user-select: all;
  cursor: copy;
}

.page-contact .channel__note {
  margin: 0.42rem 0 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .contact-card__hint {
  margin: 1.25rem 0 0;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 首屏右栏 ---------- */
.page-contact .contact-open__visual {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.page-contact .contact-open__frame {
  border-radius: 2px;
}

.page-contact .contact-open__visual .rail-note {
  max-width: 30rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--line-strong);
  font-size: 0.82rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep {
  padding-block: clamp(2.2rem, 6vw, 4rem);
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(13, 43, 34, 0.6), transparent 72%);
}

.page-contact .prep__head {
  max-width: 44rem;
}

.page-contact .prep h2,
.page-contact .collab h2,
.page-contact .hours h2,
.page-contact .place h2,
.page-contact .contact-next h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 0;
}

.page-contact .prep__lede,
.page-contact .collab__lede {
  margin: 0.9rem 0 0;
  max-width: 32rem;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .prep__grid {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--c-gap);
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  padding: 0;
}

.page-contact .prep-card {
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-strong);
}

.page-contact .prep-card__num {
  display: block;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .prep-card__title {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .prep-card__desc {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .checklist {
  list-style: none;
  display: grid;
  gap: 0.55rem;
  margin: 1.1rem 0 0;
  padding: 0;
}

.page-contact .prep-check {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--warm);
}

.page-contact .prep-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .prep-check__box {
  position: relative;
  width: 1.05rem;
  height: 1.05rem;
  margin-top: 0.18rem;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: rgba(63, 242, 198, 0.05);
  transition: background var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .prep-check__box::after {
  content: "";
  position: absolute;
  left: 0.3rem;
  top: 0.1rem;
  width: 0.3rem;
  height: 0.56rem;
  border: solid var(--night);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0.4);
  opacity: 0;
  transition: opacity var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-contact .prep-check__input:checked + .prep-check__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .prep-check__input:checked + .prep-check__box::after {
  opacity: 1;
  transform: rotate(45deg) scale(1);
}

.page-contact .prep-check__input:focus-visible + .prep-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .prep-check__input:checked ~ .prep-check__text {
  color: var(--mist);
  text-decoration: line-through;
  text-decoration-color: rgba(159, 183, 173, 0.45);
}

/* ---------- 合作通道标签 ---------- */
.page-contact .collab {
  padding-block: clamp(2.2rem, 6vw, 4rem);
}

.page-contact .collab .tabset__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.4rem, 3.5vw, 2rem);
}

.page-contact .collab .tabset__tab {
  appearance: none;
  padding: 0.62rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(28, 74, 58, 0.42);
  color: var(--mist);
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease),
    background var(--fast) var(--ease);
}

.page-contact .collab .tabset__tab:hover {
  border-color: var(--line-strong);
  color: var(--warm);
}

.page-contact .collab .tabset__tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
  font-weight: 700;
}

.page-contact .collab .tabset__panel {
  margin-top: 1.1rem;
  padding: var(--c-pad);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  background: rgba(13, 43, 34, 0.66);
}

.page-contact .panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-contact .panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-contact .panel-text {
  margin: 0.7rem 0 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--warm);
}

.page-contact .panel-text + .panel-text {
  margin-top: 0.75rem;
  color: var(--mist);
}

.page-contact .need-list {
  list-style: none;
  display: grid;
  gap: 0.62rem;
  margin: 0.8rem 0 0;
  padding: 0;
}

.page-contact .need-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--warm);
}

.page-contact .need-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* ---------- 服务时段 ---------- */
.page-contact .hours {
  margin-block: clamp(1.6rem, 4vw, 2.6rem);
  padding-block: clamp(1.8rem, 4.5vw, 3rem);
  border-block: 1px solid var(--line);
  background: linear-gradient(100deg, var(--field), var(--turf) 68%, var(--field));
}

.page-contact .hours__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 3vw, 2.2rem);
}

.page-contact .hours__head {
  max-width: 28rem;
}

.page-contact .hours h2 {
  font-size: clamp(1.4rem, 3.2vw, 2.05rem);
}

.page-contact .hours__note {
  margin: 0.9rem 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .hours__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .stat {
  padding: 1rem 0.9rem 1.1rem;
  background: var(--night);
}

.page-contact .stat dt {
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.4vw, 1.26rem);
  color: var(--cyan);
}

/* ---------- 地址与备案 ---------- */
.page-contact .place {
  padding-block: clamp(2rem, 5vw, 3.4rem);
}

.page-contact .place__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--c-gap);
}

.page-contact .place__addr {
  margin: 0.9rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  line-height: 1.72;
  color: var(--warm);
}

.page-contact .place__file {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.45rem;
}

.page-contact .place__meta {
  margin: 0;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .place__tip {
  margin: 1.1rem 0 0;
  max-width: 30rem;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-next {
  padding-top: clamp(1.4rem, 4vw, 2.4rem);
}

.page-contact .contact-next__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding: var(--c-pad);
  border: 1px solid var(--line);
  background: rgba(20, 58, 49, 0.55);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .contact-next h2 {
  font-size: clamp(1.3rem, 3vw, 1.85rem);
}

.page-contact .contact-next__text {
  margin: 0.8rem 0 0;
  max-width: 34rem;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-contact .contact-next__mini {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.3rem;
  margin: 1rem 0 0;
  padding: 0;
}

.page-contact .contact-next__mini a {
  font-size: 0.84rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.1rem;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-contact .contact-next__mini a:hover,
.page-contact .contact-next__mini a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .prep__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .panel-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2rem;
  }

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

  .page-contact .contact-next__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-open__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    align-items: start;
    gap: clamp(1.6rem, 3vw, 2.6rem);
  }

  .page-contact .contact-open__grid::after {
    content: "";
    position: absolute;
    left: 41%;
    top: 14%;
    width: 21%;
    height: 1px;
    background: linear-gradient(90deg, var(--line-strong), transparent);
    transform: rotate(-16deg);
    transform-origin: left center;
    pointer-events: none;
  }

  .page-contact .hours__inner {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: end;
  }

  .page-contact .place__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: clamp(1.6rem, 3.4vw, 3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .prep-check__box,
  .page-contact .prep-check__box::after,
  .page-contact .collab .tabset__tab,
  .page-contact .contact-next__mini a {
    transition: none;
  }
}
<<<END>>>