.page-contact {
  --contact-cut: 18px;
  display: block;
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-contact a {
  color: var(--ice-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--pine);
  color: var(--snow);
}

.page-contact .hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  filter: saturate(0.65) contrast(1.05);
}

.page-contact .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(165deg, rgba(15, 46, 51, 0.96) 8%, rgba(15, 46, 51, 0.72) 46%, rgba(154, 55, 7, 0.62) 100%),
    repeating-linear-gradient(105deg, rgba(95, 198, 232, 0.07) 0 2px, transparent 2px 28px);
}

.page-contact .hero-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(72px, 10vw, 124px);
  padding-bottom: clamp(52px, 7vw, 92px);
}

.page-contact .contact-hero .breadcrumb-list,
.page-contact .contact-hero .breadcrumb-list a {
  color: rgba(246, 248, 250, 0.7);
}

.page-contact .contact-hero .eyebrow {
  color: var(--ice);
  margin-top: 26px;
}

.page-contact .contact-title {
  margin: 16px 0 0;
  max-width: 17ch;
  font-size: clamp(32px, 6.2vw, 68px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-contact .tilt {
  display: inline-block;
  transform: skewX(-6deg);
  color: var(--ember);
}

.page-contact .contact-lead {
  margin: 22px 0 0;
  max-width: 54ch;
  font-size: 17px;
  line-height: 1.75;
  color: rgba(246, 248, 250, 0.84);
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channels {
  background: var(--snow);
}

.page-contact .channels-head {
  max-width: 62ch;
}

.page-contact .channel-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(32px, 4vw, 52px);
}

.page-contact .channel-card {
  --cut: var(--contact-cut);
  --edge: var(--ice);
  position: relative;
  display: block;
  padding: 2px;
  background: var(--edge);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  filter: drop-shadow(0 2px 6px rgba(15, 46, 51, 0.08));
  transition: transform 0.24s var(--ease), filter 0.24s var(--ease);
}

.page-contact .channel-card--mail { --edge: var(--ice); }
.page-contact .channel-card--tel { --edge: var(--ember); }
.page-contact .channel-card--addr { --edge: var(--clay); }

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-6px);
  filter: drop-shadow(0 16px 26px rgba(15, 46, 51, 0.18));
}

.page-contact .channel-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  padding: 26px 22px 28px;
  background: var(--white);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .channel-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .channel-name {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .channel-addr {
  margin: 0;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.55;
  color: var(--ice-deep);
  overflow-wrap: anywhere;
}

.page-contact .channel-scene {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .channel-when {
  margin: auto 0 0;
  padding-top: 4px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--stone);
}

.page-contact .channel-when span {
  display: block;
  margin-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ember-deep);
}

.page-contact .channels-foot {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: center;
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-contact .channels-foot-text h3 {
  margin: 0 0 14px;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .channels-foot-text p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
}

.page-contact .channels-foot-text p.muted {
  color: var(--stone);
}

.page-contact .channels-figure {
  margin: 0;
}

/* ---------- 问题分流 ---------- */
.page-contact .triage {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .triage-head {
  max-width: 58ch;
}

.page-contact .triage-list {
  display: grid;
  gap: 12px;
  margin-top: clamp(28px, 3.6vw, 44px);
}

.page-contact .triage-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ice);
  transition: border-color 0.2s var(--ease);
}

.page-contact .triage-item[open] {
  border-left-color: var(--ember);
}

.page-contact .triage-item summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .triage-q {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .triage-act {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ember-deep);
  white-space: nowrap;
}

.page-contact .triage-body {
  padding: 0 20px 20px;
}

.page-contact .triage-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(34, 50, 58, 0.86);
}

.page-contact .triage-tail {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 加急场景 ---------- */
.page-contact .urgency .section-title {
  color: var(--snow);
}

.page-contact .urgency .eyebrow {
  color: var(--ice);
}

.page-contact .urgency-lead {
  color: rgba(246, 248, 250, 0.8);
  max-width: 56ch;
}

.page-contact .urgency-head {
  max-width: 60ch;
}

.page-contact .urgency-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(28px, 3.6vw, 44px);
}

.page-contact .urgency-col {
  padding: 26px 24px 28px;
  background: rgba(246, 248, 250, 0.06);
  border: 1px solid rgba(246, 248, 250, 0.2);
}

.page-contact .urgency-col--yes { border-left: 4px solid var(--ember); }
.page-contact .urgency-col--no { border-left: 4px solid var(--ice); }

.page-contact .urgency-col h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--snow);
}

.page-contact .urgency-col ul {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .urgency-col li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(246, 248, 250, 0.84);
}

.page-contact .urgency-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: currentColor;
  opacity: 0.55;
}

/* ---------- 回复节奏 ---------- */
.page-contact .response {
  background: var(--snow);
}

.page-contact .response-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .response-intro .section-title {
  margin-bottom: 16px;
}

.page-contact .contact-mark {
  display: block;
  width: min(200px, 56%);
  height: auto;
  margin-top: 28px;
}

.page-contact .mark-line { stroke: var(--line); stroke-width: 2; fill: none; }
.page-contact .mark-box { fill: none; stroke: var(--ink); stroke-width: 2.5; }
.page-contact .mark-flap { fill: none; stroke: var(--ember); stroke-width: 2.5; stroke-linejoin: round; }
.page-contact .mark-dot { fill: var(--gold); }

.page-contact .reply-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .reply-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .reply-time {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--ice-deep);
}

.page-contact .reply-label {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .reply-note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 站点信息 ---------- */
.page-contact .site-facts {
  background: var(--frost);
  border-top: 1px solid var(--line);
}

.page-contact .facts-head {
  max-width: 52ch;
}

.page-contact .fact-list {
  margin: clamp(24px, 3vw, 36px) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .fact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .fact-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-contact .fact-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .facts-note {
  margin: 24px 0 0;
  max-width: 70ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .reply-row {
    grid-template-columns: 190px minmax(0, 1fr) auto;
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .fact-row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .urgency-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

@media (min-width: 900px) {
  .page-contact .triage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
  }

  .page-contact .triage-item:first-child {
    grid-column: 1 / -1;
  }

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

@media (min-width: 1080px) {
  .page-contact .channel-body {
    padding: 30px 26px 32px;
  }
}
<<<END>>>