.page-contact {
  --c-line: rgba(11, 59, 92, 0.14);
  --c-line-light: rgba(233, 226, 208, 0.2);
  --c-soft: rgba(16, 24, 32, 0.66);
  --c-soft-light: rgba(233, 226, 208, 0.74);
  --c-shadow: 0 20px 36px -30px rgba(6, 40, 61, 0.92);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-contact .c-crumb {
  padding-top: 0.9rem;
  padding-bottom: 0.7rem;
}

.page-contact .c-crumb .container {
  overflow-x: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  background: var(--sea);
  color: var(--sand);
  padding: clamp(1.1rem, 3vw, 1.9rem) 0 clamp(2.4rem, 5.5vw, 4rem);
  overflow: hidden;
}

.page-contact .c-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--coral) 62%, transparent);
  opacity: 0.85;
}

.page-contact .c-hero > .container {
  position: relative;
  z-index: 1;
}

.page-contact .c-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: center;
}

.page-contact .c-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.page-contact .c-kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .c-hero h1 {
  margin: 0.55rem 0 0;
  font-size: clamp(2rem, 5.6vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .c-hero__lede {
  margin: 1rem 0 0;
  max-width: 36em;
  font-size: clamp(0.98rem, 1.15vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(233, 226, 208, 0.88);
}

.page-contact .c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.page-contact .c-hero__figure {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .c-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .c-hero__figure .media__caption {
  color: rgba(233, 226, 208, 0.7);
  font-size: 0.75rem;
  line-height: 1.6;
}

/* ---------- 章节骨架 ---------- */
.page-contact .c-sec {
  padding: clamp(2.2rem, 4.6vw, 3.8rem) 0;
  scroll-margin-top: 96px;
}

.page-contact .c-sec--sand {
  background: var(--sand);
}

.page-contact .c-sec--dark {
  background: var(--navy);
  color: var(--sand);
}

.page-contact .c-sec__head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: clamp(1.3rem, 2.8vw, 2.1rem);
}

.page-contact .c-sec__num {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .c-sec__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.9vw, 1.95rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-contact .c-sec__head p {
  margin: 0;
  max-width: 56em;
  line-height: 1.75;
  color: var(--c-soft);
}

.page-contact .c-sec__head--light .c-sec__num {
  color: var(--cyan);
}

.page-contact .c-sec__head--light h2 {
  color: var(--paper);
}

.page-contact .c-sec__head--light p {
  color: var(--c-soft-light);
}

/* ---------- 邮箱卡片 ---------- */
.page-contact .c-mail {
  display: grid;
  gap: 1.1rem;
}

.page-contact .c-mailcard {
  background: var(--paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: clamp(1.15rem, 2.6vw, 1.8rem);
  box-shadow: var(--c-shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .c-mailcard:hover {
  transform: translate(-2px, -2px);
  box-shadow: 12px 12px 0 -1px rgba(11, 59, 92, 0.1), var(--c-shadow);
}

.page-contact .c-mailcard__top {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.page-contact .c-icon {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(11, 59, 92, 0.08);
  color: var(--sea);
  border: 1px solid var(--c-line);
}

.page-contact .c-icon--sm {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.page-contact .c-chip {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  padding: 0.24rem 0.6rem;
}

.page-contact .c-mailcard h3 {
  margin: 0;
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .c-mailcard__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-soft);
}

.page-contact .c-mailcard__addr {
  display: inline-block;
  max-width: 100%;
  padding-bottom: 0.15rem;
  font-size: clamp(0.95rem, 2.4vw, 1.3rem);
  letter-spacing: -0.01em;
  color: var(--sea);
  text-decoration: none;
  border-bottom: 2px solid var(--coral);
  overflow-wrap: anywhere;
}

.page-contact .c-mailcard__addr:hover {
  color: var(--coral);
}

.page-contact .c-mailcard__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  margin-top: 0.2rem;
}

.page-contact .c-mailcard__note {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--c-soft);
}

.page-contact .c-status {
  margin: 0;
  min-height: 1.15em;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-contact .c-status--light {
  color: var(--cyan);
  margin-top: 0.9rem;
}

/* ---------- 场景列表 ---------- */
.page-contact .c-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(11, 59, 92, 0.16);
}

.page-contact .c-scenes__item {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 0.8rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(11, 59, 92, 0.16);
}

.page-contact .c-scenes__mark {
  width: 9px;
  height: 9px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(61, 224, 208, 0.18);
}

.page-contact .c-scenes__body h3 {
  margin: 0 0 0.28rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-contact .c-scenes__body p {
  margin: 0 0 0.5rem;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--c-soft);
}

.page-contact .c-scenes__body .link-arrow {
  font-size: 0.84rem;
}

/* ---------- 电话 ---------- */
.page-contact .c-phone {
  display: grid;
  gap: 1.1rem;
  align-items: start;
}

.page-contact .c-phonecard {
  background: var(--sand);
  border: 1px solid rgba(11, 59, 92, 0.18);
  border-radius: var(--r-card);
  padding: clamp(1rem, 2.2vw, 1.4rem);
  display: grid;
  gap: 0.5rem;
  justify-items: start;
  box-shadow: 6px 6px 0 -1px rgba(11, 59, 92, 0.08);
}

.page-contact .c-phonecard h3 {
  margin: 0.2rem 0 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-soft);
}

.page-contact .c-phonecard__num {
  margin: 0;
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  letter-spacing: 0.02em;
  color: var(--sea);
  font-weight: 700;
}

.page-contact .c-phone__body h3 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .c-phone__hint {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--coral);
  background: rgba(255, 107, 74, 0.07);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--c-soft);
}

.page-contact .c-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .c-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--c-soft);
}

.page-contact .c-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--coral);
  transform: rotate(45deg);
}

.page-contact .c-list__k {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--sea);
  font-weight: 600;
  margin-bottom: 0.1rem;
}

.page-contact .c-list--tight li {
  font-size: 0.86rem;
}

/* ---------- 流程步骤 ---------- */
.page-contact .c-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: cstep;
}

.page-contact .c-steps__item {
  position: relative;
  padding: 0 0 1.5rem 3.1rem;
}

.page-contact .c-steps__item::before {
  counter-increment: cstep;
  content: counter(cstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--sea);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
}

.page-contact .c-steps__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: calc(1.05rem - 1px);
  top: 2.4rem;
  bottom: 0.25rem;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(61, 224, 208, 0.16));
}

.page-contact .c-steps__item h3 {
  margin: 0.35rem 0 0.3rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .c-steps__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--c-soft);
}

/* ---------- 坐标索引 ---------- */
.page-contact .c-coord {
  display: grid;
  gap: 1.1rem;
  align-items: start;
}

.page-contact .c-coords {
  margin: 0;
  display: grid;
  gap: 1px;
  background: rgba(233, 226, 208, 0.16);
  border: 1px solid var(--c-line-light);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-contact .c-coords__row {
  display: grid;
  gap: 0.25rem;
  background: rgba(4, 27, 42, 0.72);
  padding: 0.85rem 0.95rem;
}

.page-contact .c-coords__key {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .c-coords__val {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .c-coords__act {
  margin: 0;
}

.page-contact .c-coord__fig {
  margin: 0;
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-contact .c-coord__fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .c-coord__foot {
  margin: 1.1rem 0 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--c-soft-light);
}

.page-contact .c-coord__foot a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .copy-btn--light {
  border-color: var(--c-line-light);
  color: var(--sand);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .c-duo {
  display: grid;
  gap: 1rem;
}

.page-contact .c-duo__card {
  background: var(--paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-card);
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  box-shadow: var(--c-shadow);
  transition: transform var(--dur) var(--ease);
}

.page-contact .c-duo__card:hover {
  transform: translate(-2px, -2px);
}

.page-contact .c-duo__card h3 {
  margin: 0;
  font-size: clamp(1.02rem, 1.7vw, 1.15rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .c-duo__card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--c-soft);
}

.page-contact .c-duo__card .link-arrow {
  margin-top: auto;
  font-size: 0.85rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .c-coords__row {
    grid-template-columns: 5.5rem 1fr auto;
    align-items: center;
    gap: 0.85rem;
  }

  .page-contact .c-list__k {
    display: inline;
    margin-right: 0.35rem;
    margin-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .c-mail {
    grid-template-columns: 1fr 1fr;
    gap: 1.6rem;
    align-items: start;
  }

  .page-contact .c-phone {
    grid-template-columns: 0.72fr 1.28fr;
    gap: 1.8rem;
  }

  .page-contact .c-coord {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.8rem;
  }

  .page-contact .c-duo {
    grid-template-columns: 1fr 1fr;
    gap: 1.4rem;
  }
}

@media (min-width: 940px) {
  .page-contact .c-hero::before {
    content: "";
    position: absolute;
    top: -12%;
    right: -8%;
    bottom: -12%;
    width: min(56%, 620px);
    background: linear-gradient(158deg, var(--sea-lift), var(--navy) 82%);
    clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
    pointer-events: none;
  }

  .page-contact .c-hero__grid {
    grid-template-columns: 1.06fr 0.94fr;
  }

  .page-contact .c-hero__figure {
    box-shadow: 0 26px 44px -34px rgba(4, 27, 42, 0.95);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-mailcard,
  .page-contact .c-duo__card {
    transition: none;
  }

  .page-contact .c-mailcard:hover,
  .page-contact .c-duo__card:hover {
    transform: none;
  }
}