.page-contact {
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .crumbs {
  padding-top: clamp(22px, 4vw, 40px);
}

.page-contact .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .crumbs li + li::before {
  content: "/";
  margin: 0 8px;
  color: var(--index);
}

.page-contact .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--paper);
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(24px, 5vw, 56px);
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  left: -8%;
  width: 76%;
  height: 420px;
  background: radial-gradient(52% 62% at 42% 42%, rgba(255, 106, 42, .17), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 12em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 7.4vw, 78px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 34em;
  color: var(--mist);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

/* 联系渠道 */
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
}

.page-contact .mail-note {
  position: relative;
  padding: clamp(20px, 3vw, 36px);
  background: var(--ink-800);
  border: 1px solid rgba(95, 242, 210, .16);
  border-radius: var(--radius-lg);
}

.page-contact .mail-note::after {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(20px, 3vw, 36px);
  width: 68px;
  height: 3px;
  background: var(--cyan);
  border-radius: 0 0 3px 3px;
}

.page-contact .mail-note h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .mail-note__hint {
  margin: 10px 0 18px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .mail-lines {
  margin: 0;
}

.page-contact .mail-line {
  display: grid;
  grid-template-columns: 4.8em 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-top: 1px dashed var(--index);
}

.page-contact .mail-line:first-child {
  border-top-style: solid;
  border-top-color: rgba(95, 242, 210, .3);
}

.page-contact .mail-line dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .mail-line dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .mail-line dd.is-mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--amber);
}

.page-contact .channel-list h2 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .channel-list > p {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .channel-item {
  padding: 16px 0 18px;
  border-top: 1px solid var(--index);
}

.page-contact .channel-item:last-of-type {
  border-bottom: 1px solid var(--index);
}

.page-contact .channel-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-contact .channel-v {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 20px);
  line-height: 1.4;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .channel-v--tel {
  font-size: clamp(24px, 4.4vw, 38px);
  letter-spacing: .01em;
  color: var(--signal);
}

.page-contact .channel-note {
  display: block;
  margin-top: 6px;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.65;
}

.page-contact .channel-figure {
  display: block;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-contact .channel-figure img,
.page-contact .prep-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* 协助范围 */
.page-contact .scope-head {
  max-width: 40em;
}

.page-contact .scope-head .lede {
  margin-top: 12px;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--index);
}

.page-contact .scope-number {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .scope-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .scope-item p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* 发信准备 */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .prep-list {
  display: grid;
  gap: 16px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 26px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--signal);
}

.page-contact .prep-list strong {
  color: var(--paper);
  font-weight: 700;
}

/* 回复时间 */
.page-contact .timing-card {
  padding: clamp(22px, 4vw, 44px);
  background: linear-gradient(135deg, var(--ink-800) 0%, var(--ink-700) 100%);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-lg);
}

.page-contact .timing-card .sec-title {
  margin-top: 10px;
}

.page-contact .timing-card p {
  margin: 14px 0 0;
  max-width: 46em;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .tick {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--amber);
}

/* 地区信息 */
.page-contact .region-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-top: 12px;
  padding: 18px 0;
  border-top: 1px solid var(--index);
  border-bottom: 1px solid var(--index);
}

.page-contact .region-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .region-v {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .region-note {
  font-size: 13px;
  color: var(--mist);
}

/* 先翻帮助中心 */
.page-contact .help-first {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  padding: clamp(24px, 4vw, 46px);
  background: var(--ink-800);
  border: 1px solid var(--index);
  border-radius: var(--radius-lg);
}

.page-contact .help-first h2 {
  margin: 10px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.06;
  color: var(--paper);
}

.page-contact .help-first p {
  margin: 14px 0 0;
  max-width: 42em;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .tail-links {
  margin: clamp(22px, 3vw, 32px) 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.8;
}

.page-contact .tail-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 242, 210, .4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .tail-links a:hover,
.page-contact .tail-links a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

@media (min-width: 760px) {
  .page-contact .scope-grid {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(24px, 5vw, 64px);
  }
}

@media (min-width: 860px) {
  .page-contact .prep-grid {
    grid-template-columns: 1fr .86fr;
  }
}

@media (min-width: 880px) {
  .page-contact .help-first {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-contact .channels-grid {
    grid-template-columns: 1.08fr .92fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .crumbs a,
  .page-contact .tail-links a {
    transition: none;
  }
}
<<<END>>>