.page-contact {
  position: relative;
  display: block;
  padding: 0 var(--gutter) clamp(48px, 8vw, 96px);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .contact-shell {
  position: relative;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding-left: clamp(16px, 2.6vw, 30px);
}

.page-contact .contact-shell::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg,
    rgba(42, 51, 60, 0) 0%,
    var(--line) 9%,
    var(--line) 90%,
    rgba(42, 51, 60, 0) 100%);
  pointer-events: none;
}

/* 面包屑 */
.page-contact .contact-crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}
.page-contact .contact-crumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.page-contact .contact-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}
.page-contact .contact-crumb a {
  color: var(--muted);
  text-decoration: none;
}
.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--green);
}

/* 首屏 */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
  padding: clamp(4px, 1.4vw, 16px) 0 clamp(30px, 4.6vw, 56px);
}
.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 46px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-contact .contact-hero__lede {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .contact-hero__mail {
  display: inline-block;
  max-width: 100%;
  margin-top: clamp(22px, 3.6vw, 34px);
  padding-bottom: 8px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 3.3vw, 32px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--green);
  text-decoration: none;
  border-bottom: 2px solid var(--green-deep);
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .contact-hero__mail:hover,
.page-contact .contact-hero__mail:focus-visible {
  color: var(--white);
  border-color: var(--green);
  outline: none;
}
.page-contact .contact-hero__hint {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 图片容器 */
.page-contact .media {
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.page-contact .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 三行联络信息 */
.page-contact .contact-lines {
  padding: clamp(4px, 1.2vw, 10px) 0;
  margin-bottom: clamp(44px, 6.5vw, 84px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-lines__list {
  margin: 0;
}
.page-contact .contact-lines__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .contact-lines__row:last-child {
  border-bottom: 0;
}
.page-contact .contact-lines dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.13em;
  color: var(--muted);
}
.page-contact .contact-lines dd {
  margin: 0;
  min-width: 0;
}
.page-contact .contact-lines__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 18px);
  line-height: 1.65;
  color: var(--white);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.page-contact .contact-lines__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 2vw, 16px);
  line-height: 1.8;
  letter-spacing: 0.01em;
}
.page-contact a.contact-lines__value:hover,
.page-contact a.contact-lines__value:focus-visible {
  color: var(--green);
}

/* 章节通用 */
.page-contact .contact-block {
  margin-bottom: clamp(48px, 7vw, 88px);
}
.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}
.page-contact .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--green);
}
.page-contact .section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--white);
}
.page-contact .section-lede {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

/* 响应节奏：暖纸账本带 */
.page-contact .band--paper {
  background: var(--paper);
  color: var(--paper-ink);
}
.page-contact .contact-response {
  padding: clamp(20px, 3.2vw, 32px);
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease);
}
.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: rgba(26, 31, 36, 0.16);
}
.page-contact .contact-response__cell {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--paper);
}
.page-contact .contact-response__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.2vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--paper-ink);
}
.page-contact .contact-response__label {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #4A555F;
}
.page-contact .contact-response__foot {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: #3E4952;
}

/* 咨询前准备 */
.page-contact .contact-prep {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .contact-prep__item {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: 12px;
  padding: clamp(18px, 2.6vw, 24px) 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .contact-prep__idx {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}
.page-contact .contact-prep__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .contact-prep__body p {
  margin: 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .contact-prep__foot {
  margin: 22px 0 0;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .contact-prep__foot a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 232, 129, 0.4);
}
.page-contact .contact-prep__foot a:hover,
.page-contact .contact-prep__foot a:focus-visible {
  color: var(--white);
  border-color: var(--white);
}

/* 通信地址 */
.page-contact .contact-address {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}
.page-contact .contact-address__copy > p {
  margin: 12px 0 0;
  max-width: 33em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .contact-address__copy > .eyebrow {
  margin: 0 0 10px;
}
.page-contact .contact-address__addr {
  display: block;
  margin: 18px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--panel);
  font-family: var(--font-body);
  font-style: normal;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
  letter-spacing: 0.01em;
  color: var(--white);
}

/* 合作与反馈 */
.page-contact .contact-pairs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
}
.page-contact .contact-pair {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
.page-contact .contact-pair h3 {
  margin: 14px 0 10px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-contact .contact-pair ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-pair li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}
.page-contact .contact-pair li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green-deep);
}

/* 相关入口 */
.page-contact .contact-more .section-title {
  font-size: clamp(19px, 2.8vw, 24px);
  margin-bottom: 18px;
}
.page-contact .contact-more__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .contact-more__list li {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .contact-more__list a {
  display: block;
  padding: 14px 0;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--white);
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}
.page-contact .contact-more__list a:hover,
.page-contact .contact-more__list a:focus-visible {
  color: var(--green);
  padding-left: 8px;
}

/* 收束 */
.page-contact .contact-end {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(28px, 4.6vw, 52px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.page-contact .contact-end__note {
  margin: 0;
  max-width: 40em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .contact-end__top {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-end__top:hover,
.page-contact .contact-end__top:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

@media (hover: hover) {
  .page-contact .contact-response:hover {
    transform: scale(1.01);
  }
}

@media (min-width: 760px) {
  .page-contact .contact-lines__row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 28px;
    padding: 16px 0;
  }
  .page-contact .contact-pairs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-response__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .contact-address {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-response {
    transition: none;
  }
  .page-contact a {
    transition: none;
  }
}

@media (max-width: 400px) {
  .page-contact .contact-crumb ol {
    font-size: 11px;
    gap: 6px;
  }
  .page-contact .contact-prep__item {
    grid-template-columns: 2.2em minmax(0, 1fr);
    gap: 10px;
  }
}