.page-contact {
  --pc-panel: linear-gradient(162deg, rgba(18, 58, 90, 0.55), rgba(11, 43, 38, 0.95));
  background-color: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

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

.page-contact .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
  max-width: 66ch;
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.2vw, 34px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .section-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--stand-gray);
}

/* ---------- 首屏：值班台 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(48px, 7vw, 88px);
  background-color: var(--night);
  background-image:
    radial-gradient(115% 85% at 82% 6%, rgba(95, 240, 208, 0.13), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, var(--night) 80%);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: saturate(0.6) contrast(1.05);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    112deg,
    rgba(95, 240, 208, 0.055) 0 1px,
    transparent 1px 28px
  );
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
  align-content: start;
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: 2px;
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: min(100%, 760px);
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: 0.008em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: rgba(244, 248, 247, 0.8);
}

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

/* ---------- 联系渠道 ---------- */

.page-contact .contact-desk {
  padding: clamp(44px, 6vw, 76px) 0 clamp(40px, 5vw, 68px);
  border-top: 1px solid var(--line);
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
}

.page-contact .channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 26px 22px;
  background-color: rgba(11, 43, 38, 0.72);
  background-image: var(--pc-panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-lg);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 58%;
  height: 2px;
  background-image: linear-gradient(90deg, var(--cyan), rgba(95, 240, 208, 0));
}

.page-contact .channel__kind {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 23px);
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .channel__value {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 20px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--cyan-light);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--text {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--paper);
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--stand-gray);
}

.page-contact .channel__hours {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-contact .channel__hours::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--state-green);
  box-shadow: 0 0 0 3px rgba(61, 214, 140, 0.16);
}

/* ---------- 客服邮箱用途 ---------- */

.page-contact .contact-mail {
  padding: clamp(46px, 6.4vw, 84px) 0;
  border-top: 1px solid var(--line);
  background-color: var(--ink);
  background-image: linear-gradient(180deg, rgba(4, 17, 13, 0.6), rgba(7, 19, 33, 0.9));
}

.page-contact .mail-layout {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  grid-template-columns: 1fr;
}

.page-contact .mail-label {
  display: grid;
  gap: 10px;
  padding: 22px 20px 24px;
  border-left: 3px solid var(--cyan);
  background-color: rgba(4, 17, 13, 0.5);
  background-image: linear-gradient(125deg, rgba(95, 240, 208, 0.12), rgba(11, 43, 38, 0.1) 70%);
}

.page-contact .mail-label__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .mail-label__meta {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--stand-gray);
}

.page-contact .mail-body {
  min-width: 0;
}

.page-contact .mail-body h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.2vw, 34px);
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .mail-body__lead {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 248, 247, 0.82);
  overflow-wrap: anywhere;
}

.page-contact .use-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}

.page-contact .use-item {
  position: relative;
  padding: 20px 0 18px;
  border-top: 1px solid var(--line);
}

.page-contact .use-item__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-contact .use-item__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .use-item__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--stand-gray);
}

/* ---------- 纠错与订阅协助 ---------- */

.page-contact .contact-cases {
  padding: clamp(46px, 6.4vw, 84px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .case-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-contact .case-panel {
  padding: clamp(22px, 3vw, 32px);
  border-left: 3px solid var(--cyan);
  background-color: rgba(11, 43, 38, 0.62);
  background-image: linear-gradient(118deg, rgba(95, 240, 208, 0.1), rgba(7, 19, 33, 0) 62%);
}

.page-contact .case-panel--orange {
  border-left-color: var(--orange);
  background-image: linear-gradient(118deg, rgba(255, 107, 53, 0.11), rgba(7, 19, 33, 0) 62%);
}

.page-contact .case-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.22;
  color: var(--paper);
}

.page-contact .case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .case-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 248, 247, 0.82);
}

.page-contact .case-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.66em;
  width: 9px;
  height: 2px;
  background-color: var(--cyan);
}

.page-contact .case-panel--orange .case-list li::before {
  background-color: var(--orange);
}

.page-contact .case-panel__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stand-gray);
}

/* ---------- 服务地区与备案 ---------- */

.page-contact .contact-region {
  padding: clamp(46px, 6.4vw, 84px) 0;
  border-top: 1px solid var(--line);
  background-color: var(--ink);
  background-image: linear-gradient(180deg, rgba(7, 19, 33, 0.72), rgba(11, 43, 38, 0.95));
}

.page-contact .region-layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  grid-template-columns: 1fr;
}

.page-contact .region-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  clip-path: var(--cut-lg);
  background-color: var(--cut-black);
}

.page-contact .region-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .region-text {
  min-width: 0;
}

.page-contact .region-text h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.2vw, 34px);
  line-height: 1.16;
  color: var(--paper);
}

.page-contact .region-text__lead {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 248, 247, 0.8);
}

.page-contact .region-meta {
  margin: 0;
  display: grid;
  border-top: 1px solid var(--line-soft);
}

.page-contact .region-meta__row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .region-meta dt {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stand-gray);
}

.page-contact .region-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--cyan-light);
  overflow-wrap: anywhere;
}

/* ---------- 常见问题 ---------- */

.page-contact .contact-faq {
  padding: clamp(46px, 6.4vw, 84px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .faq-list {
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .disclosure__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  list-style: none;
}

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

.page-contact .disclosure__summary::before {
  content: "+";
  flex: none;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.3;
  color: var(--cyan);
}

.page-contact .disclosure[open] .disclosure__summary::before {
  content: "–";
}

.page-contact .disclosure__summary:hover {
  color: var(--cyan-light);
}

.page-contact .disclosure__body {
  padding: 0 0 20px 30px;
}

.page-contact .disclosure__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--stand-gray);
}

/* ---------- 结尾引导 ---------- */

.page-contact .contact-next {
  padding: clamp(46px, 6.4vw, 88px) 0 clamp(56px, 7vw, 96px);
  border-top: 1px solid var(--line);
  background-color: var(--night);
  background-image:
    radial-gradient(85% 120% at 10% 108%, rgba(242, 193, 78, 0.16), transparent 62%),
    linear-gradient(180deg, var(--night), var(--ink));
}

.page-contact .contact-next__inner {
  display: grid;
  gap: 14px;
  justify-items: start;
  max-width: 760px;
}

.page-contact .contact-next h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(25px, 3.4vw, 36px);
  line-height: 1.14;
  color: var(--paper);
}

.page-contact .contact-next__lead {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(244, 248, 247, 0.8);
}

.page-contact .contact-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .contact-next__foot {
  margin: 4px 0 0;
  font-size: 13.5px;
}

.page-contact .contact-next__foot a {
  color: var(--cyan-light);
  text-underline-offset: 4px;
}

.page-contact .contact-next__foot a:hover {
  color: var(--gold);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .use-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 clamp(18px, 2.4vw, 28px);
  }
}

@media (min-width: 880px) {
  .page-contact .case-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-contact .region-layout {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .mail-layout {
    grid-template-columns: minmax(0, 292px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 520px) {
  .page-contact .channel {
    padding: 22px 18px;
  }

  .page-contact .case-panel {
    padding: 22px 18px;
  }

  .page-contact .region-meta__row {
    grid-template-columns: 78px minmax(0, 1fr);
  }

  .page-contact .disclosure__body {
    padding-left: 0;
  }
}
<<<END>>>