/* ============ 联系入口 /reach-us/ 页面专属样式 ============ */
.page-contact {
  --contact-grid-dark: rgba(245, 242, 233, 0.07);
  --contact-grid-light: rgba(11, 59, 46, 0.055);
  --contact-gold-line: rgba(212, 167, 44, 0.5);
  position: relative;
  background: var(--neutral-100);
}

/* ---------- 首屏：找到我们 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-height) + 46px) 0 96px;
  overflow: hidden;
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), 0 100%);
  background:
    radial-gradient(680px 340px at 84% 6%, rgba(212, 167, 44, 0.16), transparent 62%),
    linear-gradient(var(--contact-grid-dark) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, var(--contact-grid-dark) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--primary-900);
}

.page-contact .contact-hero .breadcrumb {
  margin: 0 0 40px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero .breadcrumb a {
  color: rgba(245, 242, 233, 0.68);
}

.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--secondary-300);
}

.page-contact .contact-hero .breadcrumb__sep {
  color: var(--secondary-500);
}

.page-contact .contact-hero .breadcrumb__current {
  color: var(--white);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 44px 56px;
  align-items: end;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__main {
  position: relative;
}

.page-contact .contact-hero__main::before {
  content: '06';
  position: absolute;
  right: 6px;
  top: -54px;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: clamp(72px, 16vw, 120px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 242, 233, 0.13);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font-family: var(--font-accent);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--secondary-300);
}

.page-contact .contact-hero__kicker-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 26px;
  padding: 0 10px;
  background: var(--secondary-500);
  color: var(--primary-900);
  font-weight: 700;
  font-size: 13px;
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-contact .contact-hero__title {
  margin: 0 0 24px;
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title-display {
  display: inline-block;
  padding: 0.06em 0.5em 0.1em 0.3em;
  background: var(--secondary-500);
  color: var(--primary-900);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(44px, 9vw, 84px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  clip-path: polygon(0 0, 100% 0, calc(100% - 18px) 100%, 0 100%);
}

.page-contact .contact-hero__title-sub {
  display: block;
  margin-top: 20px;
  max-width: 42ch;
  border-left: 3px solid var(--secondary-500);
  padding-left: 16px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(16px, 2.2vw, 20px);
  line-height: 1.6;
  color: rgba(245, 242, 233, 0.9);
  letter-spacing: 0.01em;
}

.page-contact .contact-hero__lead {
  max-width: 52ch;
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(245, 242, 233, 0.76);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .contact-hero__side {
  position: relative;
  border: 1px solid rgba(245, 242, 233, 0.18);
  background: rgba(15, 92, 74, 0.3);
  padding: 22px;
  display: grid;
  gap: 18px;
}

.page-contact .contact-hero__side::before,
.page-contact .contact-hero__side::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--secondary-500);
  border-style: solid;
}

.page-contact .contact-hero__side::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.page-contact .contact-hero__side::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.page-contact .contact-hero__side-label {
  margin: 0;
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--secondary-300);
}

.page-contact .contact-hero__coord {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
}

.page-contact .contact-hero__coord-item {
  border: 1px solid rgba(245, 242, 233, 0.14);
  padding: 10px 12px;
}

.page-contact .contact-hero__coord-item dt {
  font-family: var(--font-accent);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--secondary-300);
  margin-bottom: 4px;
}

.page-contact .contact-hero__coord-item dd {
  margin: 0;
  font-family: var(--font-accent);
  font-size: 15px;
  color: var(--white);
}

.page-contact .contact-hero__cross {
  position: relative;
  height: 52px;
  border-top: 1px dashed rgba(245, 242, 233, 0.18);
  border-bottom: 1px dashed rgba(245, 242, 233, 0.18);
}

.page-contact .contact-hero__cross::before,
.page-contact .contact-hero__cross::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(212, 167, 44, 0.55);
}

.page-contact .contact-hero__cross::before {
  width: 46px;
  height: 1px;
}

.page-contact .contact-hero__cross::after {
  width: 1px;
  height: 46px;
}

.page-contact .contact-hero__cross i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border: 2px solid var(--secondary-500);
  border-radius: 50%;
  background: var(--primary-900);
  transform: translate(-50%, -50%);
}

.page-contact .contact-hero__side-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 242, 233, 0.56);
  border-top: 1px dashed rgba(245, 242, 233, 0.2);
  padding-top: 14px;
}

/* ---------- 章节标题（本页版式） ---------- */
.page-contact .section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  align-items: center;
  margin-bottom: 40px;
}

.page-contact .section-head__num {
  align-self: start;
  margin-top: 3px;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--secondary-500);
  border: 1px solid var(--contact-gold-line);
  padding: 6px 10px;
  transform: skewX(-8deg);
}

.page-contact .section-head__text {
  display: grid;
  gap: 6px;
}

.page-contact .section-head__meta {
  margin: 0;
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neutral-500);
}

.page-contact .section-head__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--neutral-800);
}

.page-contact .section-head__desc {
  grid-column: 1 / -1;
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--neutral-500);
}

.page-contact .section-head--light .section-head__meta {
  color: var(--secondary-300);
}

.page-contact .section-head--light .section-head__title {
  color: var(--white);
}

.page-contact .section-head--light .section-head__desc {
  color: rgba(245, 242, 233, 0.64);
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding: 96px 0;
  background:
    linear-gradient(var(--contact-grid-light) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--contact-grid-light) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--neutral-100);
}

.page-contact .contact-channels__layout {
  display: grid;
  gap: 40px;
}

.page-contact .contact-channels__list {
  display: grid;
  align-content: start;
  gap: 20px;
}

.page-contact .contact-channel {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(11, 59, 46, 0.14);
  box-shadow: 0 10px 28px rgba(11, 59, 46, 0.06);
  padding: 26px 24px;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), border-color 0.35s;
}

.page-contact .contact-channel::before {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px dashed rgba(11, 59, 46, 0.13);
  pointer-events: none;
}

.page-contact .contact-channel:hover {
  border-color: var(--secondary-500);
  transform: translateX(8px);
  box-shadow: 14px 20px 38px rgba(11, 59, 46, 0.12);
}

.page-contact .contact-channel__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-right: 8px;
}

.page-contact .contact-channel__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 20px;
  background: var(--secondary-500);
  color: var(--primary-900);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-contact .contact-channel--phone .contact-channel__mark {
  background: var(--accent-600);
  color: var(--white);
}

.page-contact .contact-channel--address .contact-channel__mark {
  background: var(--primary-900);
  color: var(--secondary-300);
}

.page-contact .contact-channel__leader {
  flex: 1;
  height: 0;
  border-top: 2px dashed rgba(212, 167, 44, 0.4);
  min-width: 16px;
}

.page-contact .contact-channel__role {
  margin: 0;
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--neutral-500);
  white-space: nowrap;
}

.page-contact .contact-channel__body {
  position: relative;
}

.page-contact .contact-channel__kicker {
  margin: 0 0 12px;
}

.page-contact .contact-channel__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--neutral-800);
}

.page-contact .contact-channel__value {
  display: inline-block;
  font-family: var(--font-accent);
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 700;
  color: var(--primary-700);
  text-decoration: none;
  border-bottom: 2px solid var(--secondary-500);
  padding-bottom: 3px;
  margin-bottom: 12px;
  word-break: break-all;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-contact .contact-channel__value:hover {
  color: var(--accent-600);
  border-color: var(--accent-600);
}

.page-contact .contact-channel__value--text {
  border-bottom: none;
  color: var(--neutral-800);
  word-break: normal;
}

.page-contact .contact-channel__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--neutral-500);
}

.page-contact .contact-channels__legend {
  position: relative;
  align-self: start;
  border: 1px solid rgba(11, 59, 46, 0.16);
  background: rgba(255, 255, 255, 0.55);
  padding: 24px;
}

.page-contact .contact-channels__legend::before {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, transparent 48%, var(--secondary-500) 48%);
}

.page-contact .contact-channels__figure {
  margin: 0 0 22px;
  display: flex;
  justify-content: center;
  border: 1px dashed rgba(11, 59, 46, 0.2);
  background:
    linear-gradient(rgba(11, 59, 46, 0.05) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(90deg, rgba(11, 59, 46, 0.05) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--neutral-100);
  padding: 16px;
}

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

.page-contact .contact-channels__legend-title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  color: var(--primary-900);
  letter-spacing: 0.08em;
}

.page-contact .contact-channels__legend-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .contact-channels__legend-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--neutral-800);
}

.page-contact .legend-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  background: var(--primary-900);
  color: var(--secondary-300);
  clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}

.page-contact .contact-channels__legend-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--neutral-500);
  border-top: 1px dashed rgba(11, 59, 46, 0.2);
  padding-top: 16px;
}

/* ---------- 02 响应时间 ---------- */
.page-contact .contact-response {
  position: relative;
  padding: 96px 0;
  color: var(--white);
  background:
    radial-gradient(540px 280px at 14% 10%, rgba(212, 167, 44, 0.12), transparent 62%),
    linear-gradient(var(--contact-grid-dark) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, var(--contact-grid-dark) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--primary-700);
}

.page-contact .contact-response::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(96deg, var(--secondary-500) 0 62%, var(--accent-600) 62%);
  z-index: 1;
}

.page-contact .contact-response__grid {
  display: grid;
  gap: 22px;
}

.page-contact .contact-response__stat {
  position: relative;
  border: 1px solid rgba(245, 242, 233, 0.15);
  background: rgba(11, 59, 46, 0.4);
  padding: 30px 26px 28px;
  overflow: hidden;
}

.page-contact .contact-response__stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--secondary-500);
}

.page-contact .contact-response__stat--accent::before {
  background: var(--accent-600);
}

.page-contact .contact-response__stat::after {
  content: '';
  position: absolute;
  right: -18px;
  top: -18px;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(245, 242, 233, 0.08);
  border-radius: 50%;
}

.page-contact .contact-response__stat-value {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(56px, 8vw, 76px);
  line-height: 1;
  color: var(--secondary-500);
  letter-spacing: -0.02em;
}

.page-contact .contact-response__stat-value small {
  font-size: 0.42em;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.06em;
}

.page-contact .contact-response__stat-label {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 17px;
  color: var(--white);
  letter-spacing: 0.03em;
}

.page-contact .contact-response__stat-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 242, 233, 0.7);
}

.page-contact .contact-response__commit {
  position: relative;
  display: grid;
  gap: 14px;
  align-items: center;
  border: 1px dashed rgba(212, 167, 44, 0.45);
  background:
    linear-gradient(105deg, rgba(212, 167, 44, 0.1), transparent 42%),
    rgba(11, 59, 46, 0.36);
  padding: 24px;
}

.page-contact .contact-response__commit-label {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 19px;
  color: var(--secondary-500);
  letter-spacing: 0.06em;
}

.page-contact .contact-response__commit-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 242, 233, 0.74);
}

.page-contact .contact-response__commit .btn {
  justify-self: start;
}

/* ---------- 03 地图示意 ---------- */
.page-contact .contact-map {
  position: relative;
  padding: 96px 0;
  background:
    linear-gradient(var(--contact-grid-light) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, var(--contact-grid-light) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--neutral-100);
}

.page-contact .contact-map__layout {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-contact .contact-map__figure {
  margin: 0;
  border: 1px solid rgba(11, 59, 46, 0.18);
  background: var(--white);
  padding: 10px;
}

.page-contact .contact-map__viewport {
  position: relative;
  overflow: hidden;
  transition: transform 0.55s var(--ease-out);
}

.page-contact .contact-map__figure:hover .contact-map__viewport {
  transform: scale(1.02);
}

.page-contact .contact-map__viewport::after {
  content: '';
  position: absolute;
  top: 14px;
  right: 14px;
  width: 22px;
  height: 22px;
  background:
    linear-gradient(var(--secondary-500), var(--secondary-500)) center / 100% 2px no-repeat,
    linear-gradient(var(--secondary-500), var(--secondary-500)) center / 2px 100% no-repeat;
  border: 1px solid rgba(212, 167, 44, 0.5);
  opacity: 0.9;
  z-index: 2;
}

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

.page-contact .contact-map__pin {
  position: absolute;
  top: 46%;
  left: 60%;
  transform: translate(-50%, -100%);
  z-index: 2;
  filter: drop-shadow(0 8px 10px rgba(11, 59, 46, 0.45));
  animation: page-contact-pin-bob 2.6s ease-in-out infinite alternate;
}

@keyframes page-contact-pin-bob {
  from {
    transform: translate(-50%, -100%) translateY(0);
  }
  to {
    transform: translate(-50%, -100%) translateY(-7px);
  }
}

.page-contact .contact-map__grid-label {
  position: absolute;
  z-index: 2;
  font-family: var(--font-accent);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--neutral-500);
  background: rgba(245, 242, 233, 0.88);
  padding: 2px 7px;
}

.page-contact .contact-map__grid-label--x {
  right: 14px;
  bottom: 12px;
}

.page-contact .contact-map__grid-label--y {
  left: 14px;
  top: 14px;
}

.page-contact .contact-map__caption {
  margin: 0;
  padding: 14px 4px 2px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--neutral-500);
}

.page-contact .contact-map__caption::before {
  content: '';
  width: 12px;
  height: 2px;
  background: var(--secondary-500);
}

.page-contact .contact-map__side {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .contact-map__card {
  position: relative;
  background: var(--white);
  border: 1px solid rgba(11, 59, 46, 0.16);
  border-left: 4px solid var(--secondary-500);
  box-shadow: 0 10px 26px rgba(11, 59, 46, 0.06);
  padding: 24px;
}

.page-contact .contact-map__card-label {
  margin: 0 0 8px;
  font-family: var(--font-accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--neutral-500);
}

.page-contact .contact-map__card-title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.3;
  color: var(--primary-900);
}

.page-contact .contact-map__card-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--neutral-500);
}

.page-contact .contact-map__legend {
  border: 1px dashed rgba(11, 59, 46, 0.28);
  background: rgba(255, 255, 255, 0.55);
  padding: 18px 20px;
}

.page-contact .contact-map__legend-title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--primary-900);
  letter-spacing: 0.08em;
}

.page-contact .contact-map__legend ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .contact-map__legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--neutral-800);
}

.page-contact .contact-map__legend-dot {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border: 2px solid var(--primary-700);
  border-radius: 50%;
}

.page-contact .contact-map__legend-dot--gold {
  border-color: var(--secondary-500);
  background: var(--secondary-500);
}

.page-contact .contact-map__legend-line {
  width: 22px;
  height: 0;
  flex-shrink: 0;
  border-top: 2px dashed var(--primary-700);
}

.page-contact .contact-map__hint {
  margin: 0;
  border: 1px solid rgba(166, 58, 43, 0.35);
  background: rgba(166, 58, 43, 0.06);
  padding: 14px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--neutral-800);
}

.page-contact .contact-map__hint::before {
  content: '注 / ';
  font-family: var(--font-accent);
  color: var(--accent-600);
}

/* ---------- 04 关于联系 ---------- */
.page-contact .contact-about {
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
  background:
    radial-gradient(620px 320px at 88% 80%, rgba(212, 167, 44, 0.12), transparent 60%),
    linear-gradient(var(--contact-grid-dark) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, var(--contact-grid-dark) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--primary-900);
}

.page-contact .contact-about::after {
  content: 'REACH US';
  position: absolute;
  right: -20px;
  bottom: 12px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(64px, 11vw, 150px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(245, 242, 233, 0.07);
  pointer-events: none;
}

.page-contact .contact-about__layout {
  display: grid;
  gap: 44px;
}

.page-contact .contact-about__content {
  position: relative;
  z-index: 1;
}

.page-contact .contact-about__intro {
  margin: 0 0 38px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 242, 233, 0.8);
}

.page-contact .contact-about__list {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  border-top: 1px solid rgba(245, 242, 233, 0.14);
}

.page-contact .contact-about__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px 18px;
  padding: 24px 6px;
  border-bottom: 1px dashed rgba(245, 242, 233, 0.16);
  transition: background 0.3s ease;
}

.page-contact .contact-about__list li:hover {
  background: rgba(212, 167, 44, 0.05);
}

.page-contact .contact-about__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 32px;
  font-family: var(--font-accent);
  font-weight: 700;
  font-size: 14px;
  color: var(--secondary-500);
  border: 1px solid rgba(212, 167, 44, 0.45);
  transform: skewX(-8deg);
}

.page-contact .contact-about__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 19px;
  color: var(--white);
}

.page-contact .contact-about__item p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 242, 233, 0.68);
}

.page-contact .contact-about__boundary {
  position: relative;
  border: 1px dashed rgba(212, 167, 44, 0.5);
  background: rgba(11, 59, 46, 0.38);
  padding: 22px 24px;
  margin-bottom: 34px;
}

.page-contact .contact-about__boundary::before {
  content: '';
  position: absolute;
  top: -1px;
  right: -1px;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, transparent 50%, var(--secondary-500) 50%);
}

.page-contact .contact-about__boundary-label {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.1em;
  color: var(--secondary-300);
}

.page-contact .contact-about__boundary p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 242, 233, 0.72);
}

.page-contact .contact-about__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 响应式：平板 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-channels__layout {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
    gap: 30px;
  }
}

/* ---------- 响应式：桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-bottom: 120px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-response__commit {
    grid-column: 1 / -1;
    grid-template-columns: auto 1fr auto;
    gap: 26px;
    padding: 28px 32px;
  }

  .page-contact .contact-response__commit .btn {
    justify-self: end;
  }

  .page-contact .contact-map__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
  }
}

/* ---------- 响应式：宽屏 ---------- */
@media (min-width: 1020px) {
  .page-contact .contact-about__layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
  }

  .page-contact .contact-about__head {
    position: sticky;
    top: calc(var(--header-height) + 36px);
    align-self: start;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-map__pin {
    animation: none;
  }

  .page-contact .contact-channel,
  .page-contact .contact-channel:hover,
  .page-contact .contact-map__viewport,
  .page-contact .contact-map__figure:hover .contact-map__viewport {
    transition: none;
    transform: none;
  }
}