.page-contact {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin: 0 0 clamp(20px, 3.5vw, 34px);
}
.page-contact .breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--silver);
}
.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--line-strong);
}
.page-contact .breadcrumb-link {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 5vw, 58px) 0 clamp(40px, 6vw, 84px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 84% -12%, rgba(57, 245, 208, 0.12), transparent 62%),
    radial-gradient(90% 70% at -6% 108%, rgba(255, 122, 26, 0.10), transparent 58%),
    var(--ink);
  overflow: hidden;
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 78%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 78%);
}
.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}
.page-contact .hero-head {
  max-width: 940px;
  margin-bottom: clamp(28px, 4.5vw, 52px);
}
.page-contact .contact-title {
  margin: 12px 0 18px;
  font-size: clamp(30px, 6.2vw, 72px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .contact-title .hl {
  color: var(--cyan);
  white-space: nowrap;
}
.page-contact .contact-lede {
  max-width: 62ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
}

.page-contact .contact-channels {
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
}

.page-contact .channel {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
  margin-top: clamp(22px, 3vw, 34px);
}
.page-contact .channel:first-child {
  margin-top: 0;
}
.page-contact .channel-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--silver);
}
.page-contact .channel-mail,
.page-contact .channel-tel {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid var(--line-strong);
  padding-bottom: 10px;
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .channel-mail {
  font-size: clamp(15px, 4.3vw, 40px);
}
.page-contact .channel-tel {
  font-size: clamp(26px, 6vw, 58px);
}
.page-contact .channel-mail:hover,
.page-contact .channel-mail:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .channel-tel:hover,
.page-contact .channel-tel:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-contact .channel-note {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .channel-side {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}
.page-contact .side-panel {
  border: 1px solid var(--line-strong);
  background: var(--panel);
  border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 28px);
}
.page-contact .side-panel-title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .channel-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .channel-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .channel-key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 2px;
}
.page-contact .channel-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .entry-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
}
.page-contact .entry-figure img,
.page-contact .map-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  height: auto;
}
.page-contact .entry-figure img {
  aspect-ratio: 16 / 9;
  filter: saturate(0.9) contrast(1.05);
}
.page-contact .media-caption {
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--silver);
  border-top: 1px solid var(--line);
  background: var(--charcoal);
}

/* ---------- 横向主题带 ---------- */
.page-contact .contact-band {
  background: var(--deep);
  border-bottom: 1px solid var(--line);
}
.page-contact .contact-band .band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.page-contact .contact-band .band-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact .contact-band .band-text {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--paper);
}

/* ---------- 五类问题 ---------- */
.page-contact .contact-topics {
  padding-top: var(--space);
  padding-bottom: var(--space);
}
.page-contact .topics-head {
  gap: clamp(16px, 3vw, 40px);
  align-items: end;
  margin-bottom: clamp(24px, 4vw, 44px);
}
.page-contact .topics-title {
  margin: 12px 0 0;
  font-size: clamp(26px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .topics-head .lede {
  margin: 0;
  color: var(--silver);
  line-height: 1.8;
}

.page-contact .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}
.page-contact .topic {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 4px 14px;
  align-items: start;
  padding: clamp(18px, 2.6vw, 26px) 8px;
  border-bottom: 1px solid var(--line);
  transition: background var(--ease), border-color var(--ease);
}
.page-contact .topic:hover,
.page-contact .topic:focus-within {
  background: rgba(24, 51, 45, 0.5);
  border-bottom-color: var(--line-cyan);
}
.page-contact .topic-num {
  grid-row: 1 / span 3;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 4px;
}
.page-contact .topic-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}
.page-contact .topic-text {
  margin: 6px 0 0;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}
.page-contact .topic-link {
  justify-self: start;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
  transition: color var(--ease), border-color var(--ease);
}
.page-contact .topic-link:hover,
.page-contact .topic-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 写信清单 + 回复节奏 ---------- */
.page-contact .contact-write {
  background: var(--deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-top: var(--space);
  padding-bottom: var(--space);
}
.page-contact .write-grid {
  gap: clamp(24px, 3.5vw, 48px);
  align-items: start;
}
.page-contact .write-lede {
  margin: 14px 0 clamp(20px, 3vw, 30px);
  color: var(--silver);
  line-height: 1.8;
}
.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 18px);
}
.page-contact .check-item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.page-contact .check-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.page-contact .check-num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-size: 13px;
  color: var(--cyan);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius);
}
.page-contact .check-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .check-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .rhythm-panel {
  border: 1px solid var(--line-strong);
  border-left: 2px solid var(--orange);
  background: var(--charcoal);
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--radius);
}
.page-contact .rhythm-time {
  margin: 10px 0 2px;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--orange);
}
.page-contact .rhythm-sub {
  margin: 0 0 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--silver);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.page-contact .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .rhythm-item {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .rhythm-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-address {
  padding-top: var(--space);
  padding-bottom: var(--space);
}
.page-contact .address-grid {
  gap: clamp(22px, 3vw, 40px);
  align-items: stretch;
}
.page-contact .address-card {
  position: relative;
  border: 1px solid var(--line-strong);
  background: var(--panel);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 34px);
}
.page-contact .address-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 72px;
  height: 2px;
  background: var(--cyan);
}
.page-contact .address-title {
  margin: 12px 0 14px;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--paper);
}
.page-contact .address-text {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--cyan);
}
.page-contact .address-note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}
.page-contact .address-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mist);
}
.page-contact .map-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--charcoal);
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.page-contact .map-figure img {
  aspect-ratio: 3 / 2;
  filter: saturate(0.85) contrast(1.06);
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-more {
  padding-top: clamp(30px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--line);
}
.page-contact .more-title {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  color: var(--paper);
}
.page-contact .more-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-contact .more-item {
  border-bottom: 1px solid var(--line);
}
.page-contact .more-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  transition: color var(--ease), background var(--ease), padding-left var(--ease);
}
.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  color: var(--cyan);
  background: rgba(24, 51, 45, 0.45);
  padding-left: 12px;
}
.page-contact .more-arrow {
  flex: none;
  font-size: 14px;
  color: var(--orange);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-contact .more-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
    border-top: 0;
  }
  .page-contact .more-item {
    border-top: 1px solid var(--line);
  }
  .page-contact .contact-lede {
    font-size: 17px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .topic {
    grid-template-columns: 56px minmax(170px, 220px) minmax(0, 1fr) auto;
    gap: 8px 26px;
    align-items: start;
    padding-left: 12px;
    padding-right: 12px;
  }
  .page-contact .topic-num {
    grid-row: auto;
    padding-top: 5px;
  }
  .page-contact .topic-title {
    font-size: 17px;
  }
  .page-contact .topic-text {
    margin-top: 0;
  }
  .page-contact .topic-link {
    justify-self: end;
    align-self: start;
    margin-top: 2px;
    white-space: nowrap;
  }
  .page-contact .address-grid {
    align-items: stretch;
  }
  .page-contact .address-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
}

@media (min-width: 1100px) {
  .page-contact .hero-head {
    max-width: 900px;
  }
  .page-contact .check-list {
    gap: 20px;
  }
}
<<<END>>>