.page-contact {
  --c-gap: clamp(14px, 2vw, 22px);
}

/* ---------- 页头 ---------- */
.page-contact .page-contact__head {
  position: relative;
  padding-top: clamp(20px, 4vw, 46px);
  padding-bottom: clamp(30px, 5vw, 60px);
  overflow: hidden;
}

.page-contact .page-contact__head::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(111, 245, 210, .18) 1px, transparent 0);
  background-size: 20px 20px;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 84%);
}

.page-contact .page-contact__head > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .page-contact__title {
  margin: .26em 0 0;
  max-width: 14ch;
}

.page-contact .page-contact__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .page-contact__lede .num {
  color: var(--accent);
}

/* ---------- 渠道面板 ---------- */
.page-contact .page-contact__channels-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .page-contact__channels-note {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-contact .page-contact__bg {
  position: absolute;
  inset: -14px -10px;
  overflow: hidden;
  z-index: 0;
  opacity: .22;
  pointer-events: none;
  border: 1px solid var(--line-soft);
}

.page-contact .page-contact__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.35) contrast(1.06);
  max-width: 100%;
  height: auto;
}

.page-contact .page-contact__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 15, .35) 0%, rgba(7, 19, 15, .94) 82%);
}

.page-contact .page-contact__panel {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.2vw, 28px);
  background: var(--p1);
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.page-contact .page-contact__panel:hover,
.page-contact .page-contact__panel:focus-within {
  border-color: var(--accent2);
  transform: translateY(-3px);
  box-shadow: 0 24px 68px rgba(0, 0, 0, .6);
}

.page-contact .page-contact__panel--mail {
  background: linear-gradient(155deg, var(--p2) 0%, var(--p1) 58%);
}

.page-contact .page-contact__panel-title {
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .page-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--num);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .page-contact__value--mail {
  font-size: clamp(15px, 1.5vw, 21px);
  line-height: 1.4;
  color: var(--accent);
}

.page-contact .page-contact__value--phone {
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.1;
  font-weight: 700;
}

.page-contact .page-contact__value--addr {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  -webkit-user-select: auto;
  user-select: auto;
}

.page-contact .page-contact__panel-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 回复时段时间轴 */
.page-contact .page-contact__hours {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
}

.page-contact .page-contact__bar {
  position: relative;
  height: 8px;
  background: rgba(18, 51, 41, .9);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-contact .page-contact__bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  width: 37.5%;
  background: var(--focus);
}

.page-contact .page-contact__bar-cap {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .page-contact__bar-cap .num {
  color: var(--focus);
}

/* 地址配图与折叠说明 */
.page-contact .page-contact__addr-fig {
  margin: 2px 0 0;
}

.page-contact .page-contact__addr-details {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .page-contact__addr-details summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--accent);
}

.page-contact .page-contact__addr-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .page-contact__addr-details summary::before {
  content: "＋ ";
  font-family: var(--font-mono);
}

.page-contact .page-contact__addr-details[open] summary::before {
  content: "－ ";
}

.page-contact .page-contact__addr-details p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 写信前的准备 ---------- */
.page-contact .page-contact__prep-inner {
  display: grid;
  gap: clamp(24px, 3.5vw, 48px);
}

.page-contact .page-contact__prep-lede {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .page-contact__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--bw) solid var(--line);
}

.page-contact .page-contact__steps > li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .page-contact__step-no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--accent);
  padding-top: 4px;
}

.page-contact .page-contact__step-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.005em;
}

.page-contact .page-contact__steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 高频问题前置 ---------- */
.page-contact .page-contact__faq-grid {
  display: grid;
  gap: var(--c-gap);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .page-contact__faq {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.2vw, 26px);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-contact .page-contact__faq:hover,
.page-contact .page-contact__faq:focus-visible {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.page-contact .page-contact__faq-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.35;
}

.page-contact .page-contact__faq-text {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .page-contact__faq-go {
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--accent);
}

/* ---------- 页尾提示 ---------- */
.page-contact .page-contact__tail-text {
  margin: 0;
  max-width: 64ch;
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .page-contact__tail-text a {
  color: var(--accent);
  text-underline-offset: 3px;
}

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

@media (min-width: 900px) {
  .page-contact .page-contact__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-contact .page-contact__panel--mail {
    grid-column: span 5;
  }

  .page-contact .page-contact__panel--phone {
    grid-column: span 3;
  }

  .page-contact .page-contact__panel--addr {
    grid-column: span 4;
  }

  .page-contact .page-contact__prep-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}
<<<END>>>