.page-contact {
  padding-bottom: clamp(48px, 8vw, 110px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact .hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  margin-top: clamp(22px, 4vw, 44px);
}

.page-contact .hero-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--paper);
  margin: 0 0 20px;
}

.page-contact .hero-copy .lead {
  max-width: 38em;
}

.page-contact .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--hair-soft);
  list-style: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-contact .hero-facts .num {
  color: var(--cyan);
  font-family: var(--mono);
  font-weight: 600;
}

.page-contact .hero-figure {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--hair);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.74fr);
    align-items: end;
  }
  .page-contact .hero-figure {
    aspect-ratio: 4 / 5;
  }
}

/* ---------- 三个入口 ---------- */
.page-contact .contact-channels {
  padding: clamp(46px, 8vw, 92px) 0;
}

.page-contact .section-head {
  margin-bottom: clamp(22px, 3.6vw, 40px);
}

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

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

.page-contact .contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--hair);
  background-color: var(--ink-2);
  background-image:
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan)),
    linear-gradient(var(--cyan), var(--cyan));
  background-size:
    16px 1px, 1px 16px,
    16px 1px, 1px 16px,
    16px 1px, 1px 16px,
    16px 1px, 1px 16px;
  background-position:
    left top, left top,
    right top, right top,
    left bottom, left bottom,
    right bottom, right bottom;
  background-repeat: no-repeat;
}

.page-contact .contact-card .tag {
  align-self: flex-start;
}

.page-contact .card-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.32rem);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .contact-value {
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
  font-family: var(--mono);
  font-size: clamp(1rem, 2.3vw, 1.32rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--cyan);
  overflow-wrap: anywhere;
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .contact-card--addr .contact-value {
  color: var(--paper);
  font-size: clamp(0.98rem, 2vw, 1.16rem);
}

.page-contact .card-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.72;
}

.page-contact .card-foot {
  margin: auto 0 0;
  padding-top: 14px;
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-contact .card-foot .num {
  font-family: var(--mono);
  color: var(--stoppage);
  letter-spacing: 0.08em;
}

.page-contact .addr-grid {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 62%;
  max-width: 260px;
  height: auto;
  pointer-events: none;
  opacity: 0.7;
}

.page-contact .contact-card--addr .card-note,
.page-contact .contact-card--addr .card-foot,
.page-contact .contact-card--addr .card-name,
.page-contact .contact-card--addr .contact-value {
  position: relative;
  z-index: 1;
}

/* ---------- 一次说清楚 ---------- */
.page-contact .contact-brief {
  padding: clamp(40px, 7vw, 80px) 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .brief-list {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--hair-soft);
  border: 1px solid var(--hair);
}

@media (min-width: 780px) {
  .page-contact .brief-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .brief-list li {
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--ink);
}

.page-contact .brief-num {
  display: block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-contact .brief-list h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .brief-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.72;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .contact-partner {
  padding: clamp(44px, 8vw, 96px) 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(26px, 4.5vw, 54px);
}

@media (min-width: 900px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }
}

.page-contact .partner-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .partner-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .partner-copy h2 {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .partner-copy .lead {
  margin-bottom: 26px;
}

.page-contact .brief-group {
  border-top: 1px solid var(--hair);
}

.page-contact .brief {
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .brief summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.06rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

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

.page-contact .brief summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .brief[open] summary::after {
  content: "–";
}

.page-contact .brief summary:hover {
  color: var(--cyan);
}

.page-contact .brief ul {
  margin: 0 0 18px;
  padding: 0 0 0 18px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-contact .brief li::marker {
  color: var(--cyan-deep);
}

/* ---------- 数据反馈 ---------- */
.page-contact .contact-feedback {
  padding: clamp(40px, 7vw, 84px) 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .feedback-panel {
  display: grid;
  gap: 1px;
  background: var(--hair-soft);
  border: 1px solid var(--hair);
  border-left: 3px solid var(--stoppage);
}

@media (min-width: 860px) {
  .page-contact .feedback-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .feedback-line {
  margin: 0;
  padding: clamp(20px, 2.8vw, 30px);
  background: var(--ink-2);
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .feedback-line:first-child {
  color: var(--paper);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-sla {
  padding: clamp(40px, 7vw, 84px) 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .sla-track {
  display: grid;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

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

.page-contact .sla-step {
  position: relative;
  padding: 28px clamp(16px, 2.4vw, 26px) 26px;
  border-top: 1px solid var(--hair-soft);
  transition: background-color 0.2s ease;
}

.page-contact .sla-step:first-child {
  border-top: 0;
}

@media (min-width: 820px) {
  .page-contact .sla-step {
    border-top: 0;
    border-left: 1px solid var(--hair-soft);
  }
  .page-contact .sla-step:first-child {
    border-left: 0;
  }
}

.page-contact .sla-step::before {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(16px, 2.4vw, 26px);
  width: 40px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .sla-step--alert::before {
  background: var(--stoppage);
}

.page-contact .sla-step:hover,
.page-contact .sla-step:focus-within {
  background: var(--ink-2);
  outline: none;
}

.page-contact .sla-mark {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: clamp(2rem, 5vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-contact .sla-step--alert .sla-mark {
  color: var(--stoppage);
}

.page-contact .sla-unit {
  font-size: 0.86rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .sla-name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .sla-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.72;
  transition: color 0.2s ease;
}

.page-contact .sla-step:hover .sla-note,
.page-contact .sla-step:focus-within .sla-note {
  color: var(--paper);
}

/* ---------- 站点信息与相关页面 ---------- */
.page-contact .contact-registry {
  padding: clamp(40px, 7vw, 84px) 0 0;
}

.page-contact .registry-band {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.6vw, 42px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--hair);
  background-color: var(--ink-3);
  background-image: repeating-linear-gradient(
    135deg,
    rgba(35, 230, 208, 0.05) 0 1px,
    transparent 1px 12px
  );
  overflow: hidden;
}

@media (min-width: 900px) {
  .page-contact .registry-band {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

.page-contact .registry-main h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.12;
  color: var(--paper);
}

.page-contact .registry-text {
  margin: 0;
  max-width: 40em;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
}

.page-contact .registry-list {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--hair-soft);
  border: 1px solid var(--hair-soft);
}

.page-contact .registry-list > div {
  padding: 14px 16px;
  background: var(--ink-2);
}

.page-contact .registry-list dt {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 6px;
}

.page-contact .registry-list dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .more-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(20px, 3vw, 34px);
  background: var(--hair-soft);
  border: 1px solid var(--hair);
}

@media (min-width: 720px) {
  .page-contact .more-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .more-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-contact .more-link:hover,
.page-contact .more-link:focus-visible {
  background: var(--ink-2);
}

.page-contact .more-key {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .more-link:hover .more-key {
  color: var(--cyan);
}

.page-contact .more-desc {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .sla-step,
  .page-contact .sla-note,
  .page-contact .more-link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>