.page-contact {
  position: relative;
  background-color: var(--ink);
  background-image:
    repeating-linear-gradient(0deg, rgba(35, 42, 51, 0.42) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(35, 42, 51, 0.42) 0 1px, transparent 1px 96px);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.75;
  padding-bottom: clamp(64px, 12vw, 136px);
  overflow-x: hidden;
}

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

/* ---------- 顶部窄幅视觉 ---------- */
.page-contact .contact-hero {
  padding-top: var(--header-h);
}

.page-contact .contact-hero__media {
  position: relative;
  display: block;
  margin: 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--panel);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.62) contrast(1.12) brightness(0.72);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon) 0 132px, transparent 132px);
}

/* ---------- 窄栏容器 ---------- */
.page-contact .contact-shell {
  width: 100%;
  max-width: calc(760px + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.page-contact .breadcrumb {
  margin-top: clamp(24px, 4vw, 40px);
}

/* ---------- 首屏文字 ---------- */
.page-contact .contact-intro {
  margin-top: clamp(36px, 6vw, 64px);
}

.page-contact .contact-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--chalk);
  margin: 14px 0 0;
}

.page-contact .contact-lead {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 区块骨架 ---------- */
.page-contact .contact-section {
  margin-top: clamp(56px, 9vw, 104px);
}

.page-contact .contact-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.008em;
  color: var(--chalk);
  margin: 0 0 16px;
  padding-top: 18px;
  position: relative;
}

.page-contact .contact-h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--neon);
}

.page-contact .contact-sub {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 16px;
  max-width: 58ch;
}

.page-contact .contact-sub strong,
.page-contact .bullet-list strong {
  color: var(--chalk);
  font-weight: 500;
}

.page-contact .contact-inline-link {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.page-contact .contact-inline-link a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-deep);
  padding-bottom: 1px;
}

.page-contact .contact-inline-link a:hover {
  color: var(--neon-pale);
  border-bottom-color: var(--neon-pale);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  background-color: var(--panel);
  border: 1px solid var(--line);
  padding: 30px 22px 24px;
  transition: border-color 200ms ease, background-color 200ms ease;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -1px;
  bottom: -1px;
  left: -1px;
  width: 3px;
  background: var(--neon);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  border-color: var(--neon-deep);
  background-color: #121821;
}

.page-contact .channel__tag {
  position: absolute;
  top: -1px;
  right: -1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1;
  padding: 7px 10px;
  color: var(--muted);
  background-color: var(--ink);
  border: 1px solid var(--line);
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}

.page-contact .channel:hover .channel__tag,
.page-contact .channel:focus-within .channel__tag {
  color: var(--ink);
  background-color: var(--neon-pale);
  border-color: var(--neon-pale);
}

.page-contact .channel__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.3;
  color: var(--chalk);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 19px);
  line-height: 1.6;
  color: var(--neon);
  word-break: break-word;
}

.page-contact .channel__value--addr {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--chalk);
  font-size: clamp(14px, 3.4vw, 16px);
}

.page-contact .pin {
  flex: none;
  margin-top: 5px;
  color: var(--neon);
}

.page-contact .channel__desc {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .channel__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 地址展开 ---------- */
.page-contact .reach__summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-bottom: 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon);
  border-bottom: 1px dashed var(--neon-deep);
}

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

.page-contact .reach__summary::after {
  content: "+";
  font-size: 15px;
  line-height: 1;
}

.page-contact .reach[open] .reach__summary::after {
  content: "–";
}

.page-contact .reach__summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-contact .reach__body {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 48 时限条 ---------- */
.page-contact .sla-band {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 24px 22px;
  background-color: var(--panel);
  border: 1px solid var(--line);
  border-top: 2px solid var(--neon);
}

.page-contact .sla-band__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(52px, 15vw, 76px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--neon);
}

.page-contact .sla-band__unit {
  margin: 0;
  font-size: 15px;
  color: var(--chalk);
}

.page-contact .sla-band__note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 列表 ---------- */
.page-contact .bullet-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .bullet-list li {
  position: relative;
  padding: 16px 0 16px 26px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 12px;
  height: 2px;
  background: var(--neon);
}

/* ---------- 步骤列表 ---------- */
.page-contact .step-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  counter-reset: contact-step;
  border-top: 1px solid var(--line);
}

.page-contact .step-list li {
  position: relative;
  counter-increment: contact-step;
  padding: 18px 0 18px 58px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .step-list li::before {
  content: counter(contact-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  color: var(--neon);
  border: 1px solid var(--line);
}

/* ---------- 插图 ---------- */
.page-contact .contact-figure {
  margin: 28px 0 0;
  padding: 0;
  background-color: var(--panel);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.68) contrast(1.1) brightness(0.78);
}

.page-contact .contact-figure__cap {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: 0;
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .coop-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-item__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-contact .coop-item__v {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-outro {
  margin-top: clamp(56px, 9vw, 96px);
  padding: 28px 24px;
  background-color: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--electric);
}

.page-contact .contact-outro__text {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--chalk);
}

.page-contact .contact-outro .btn {
  display: inline-block;
}

.page-contact .contact-outro .btn:focus-visible,
.page-contact .contact-inline-link a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-hero__media {
    aspect-ratio: 16 / 5;
  }

  .page-contact .channel {
    padding: 32px 28px 26px;
  }

  .page-contact .sla-band {
    flex-direction: row;
    align-items: center;
    gap: 32px;
    padding: 28px 28px;
  }

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

  .page-contact .coop-item:first-child {
    padding-right: 26px;
  }

  .page-contact .coop-item + .coop-item {
    padding-left: 26px;
    border-left: 1px solid var(--line);
  }

  .page-contact .contact-outro {
    padding: 34px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel__tag {
    transition: none;
  }
}
<<<END>>>