.page-contact {
  --contact-panel: rgba(16, 46, 38, 0.62);
  --contact-soft-line: rgba(169, 182, 176, 0.18);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 34px) clamp(40px, 6vw, 88px);
  background:
    radial-gradient(120% 90% at 78% 6%, rgba(63, 224, 204, 0.14), transparent 58%),
    radial-gradient(92% 80% at 6% 94%, rgba(217, 168, 92, 0.13), transparent 60%),
    var(--ink);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.55) 58%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.55) 58%, transparent 100%);
}

.page-contact .contact-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.page-contact .contact-hero .breadcrumb a:hover,
.page-contact .contact-hero .breadcrumb a:focus-visible {
  color: var(--pulse);
}

.page-contact .contact-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(169, 182, 176, 0.48);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(22px, 4vw, 42px);
}

.page-contact .contact-hero h1 {
  max-width: 18ch;
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.4vw, 4.2rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__dek {
  max-width: 40ch;
  margin: 18px 0 0;
  font-size: clamp(0.98rem, 1.7vw, 1.08rem);
  line-height: 1.85;
  color: var(--haze);
}

.page-contact .contact-hero .eyebrow {
  color: var(--gold);
}

.page-contact .contact-prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-prep li {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(217, 168, 92, 0.1), transparent 74%);
}

.page-contact .contact-prep__idx {
  display: block;
  margin-bottom: 4px;
  color: var(--gold-soft);
}

.page-contact .contact-prep strong {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--paper);
}

.page-contact .contact-prep p {
  margin: 6px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(221, 231, 226, 0.82);
}

/* 邮箱卡 */
.page-contact .contact-mail {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-m);
  background: linear-gradient(158deg, rgba(27, 70, 60, 0.88), rgba(10, 31, 26, 0.94));
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 52px rgba(0, 0, 0, 0.36);
}

.page-contact .contact-mail::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(20px, 3vw, 30px);
  width: 46px;
  height: 2px;
  background: var(--gold);
}

.page-contact .contact-mail__label {
  margin: 6px 0 0;
  color: var(--mist);
}

.page-contact .contact-mail__addr {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 3.4vw, 1.22rem);
  letter-spacing: 0.01em;
  line-height: 1.5;
  color: var(--gold-soft);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: border-color 0.26s var(--ease), color 0.26s var(--ease);
}

.page-contact .contact-mail__addr:hover,
.page-contact .contact-mail__addr:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold);
}

.page-contact .contact-mail__note {
  margin: 14px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(221, 231, 226, 0.84);
}

.page-contact .contact-mail__cta {
  display: inline-block;
  margin-top: 20px;
}

.page-contact .contact-mail__hours {
  margin: 14px 0 0;
  color: var(--pulse);
}

/* ---------- 联系渠道（纸白面板） ---------- */
.page-contact .contact-channels h2,
.page-contact .contact-channels .contact-fields dd,
.page-contact .contact-channels h2 a {
  color: var(--ink-text);
}

.page-contact .contact-channels .eyebrow {
  color: rgba(10, 31, 26, 0.62);
}

.page-contact .contact-channels .eyebrow::before {
  background: rgba(10, 31, 26, 0.42);
}

.page-contact .contact-channels h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(22px, 3.4vw, 34px);
  align-items: start;
}

.page-contact .contact-fields {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .contact-fields > div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid rgba(10, 31, 26, 0.16);
}

.page-contact .contact-fields > div:first-child {
  border-top: 1px solid rgba(10, 31, 26, 0.16);
}

.page-contact .contact-fields dt {
  flex: 0 0 96px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(10, 31, 26, 0.58);
}

.page-contact .contact-fields dd {
  flex: 1 1 220px;
  margin: 0;
  font-size: clamp(1rem, 1.7vw, 1.12rem);
  font-weight: 600;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .contact-fields dd a {
  color: var(--ink-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 168, 92, 0.85);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-contact .contact-fields dd a:hover,
.page-contact .contact-fields dd a:focus-visible {
  color: var(--ink-3);
  border-bottom-color: var(--ink-3);
}

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

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  object-fit: cover;
  box-shadow: 0 16px 40px rgba(10, 31, 26, 0.18);
}

.page-contact .contact-figure figcaption {
  margin-top: 10px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(10, 31, 26, 0.58);
}

.page-contact .contact-channels__note {
  max-width: 62ch;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(10, 31, 26, 0.14);
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(10, 31, 26, 0.78);
}

/* ---------- 反馈类型 ---------- */
.page-contact .contact-topics {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-contact .contact-topics__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-topics__rail h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-topics__index {
  display: grid;
  gap: 2px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-topics__index a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 14px;
  border-left: 2px solid var(--contact-soft-line);
  font-size: 0.94rem;
  color: var(--haze);
  text-decoration: none;
  transition: border-color 0.28s var(--ease), background 0.28s var(--ease), color 0.28s var(--ease);
}

.page-contact .contact-topics__index a .mono {
  color: var(--gold);
  font-size: 0.72rem;
}

.page-contact .contact-topics__index a:hover,
.page-contact .contact-topics__index a:focus-visible {
  border-left-color: var(--pulse);
  background: rgba(63, 224, 204, 0.09);
  color: var(--paper);
}

.page-contact .contact-topics__hint {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--line-pulse);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .topic {
  margin-bottom: 12px;
  border: 1px solid var(--contact-soft-line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(27, 70, 60, 0.58), rgba(10, 31, 26, 0.62));
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-contact .topic:last-child {
  margin-bottom: 0;
}

.page-contact .topic[open] {
  border-color: var(--line-gold);
  background: linear-gradient(150deg, rgba(27, 70, 60, 0.82), rgba(10, 31, 26, 0.7));
}

.page-contact .topic summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px clamp(14px, 2.6vw, 22px);
  cursor: pointer;
  list-style: none;
}

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

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

.page-contact .topic__idx {
  flex: 0 0 auto;
  font-size: 0.74rem;
  color: var(--gold);
}

.page-contact .topic__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.3vw, 1.28rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-contact .topic__mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-contact .topic__mark::before,
.page-contact .topic__mark::after {
  content: "";
  position: absolute;
  background: var(--pulse);
  transition: transform 0.28s var(--ease), opacity 0.28s var(--ease);
}

.page-contact .topic__mark::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.page-contact .topic__mark::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
}

.page-contact .topic[open] .topic__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .topic__body {
  padding: 0 clamp(14px, 2.6vw, 22px) clamp(16px, 2.6vw, 22px);
}

.page-contact .topic__body > p {
  max-width: 58ch;
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--haze);
}

.page-contact .topic__body ul {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .topic__body li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(221, 231, 226, 0.82);
}

.page-contact .topic__body li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 1px;
  background: var(--gold);
}

.page-contact .topic__link {
  margin: 16px 0 0;
}

.page-contact .topic__link a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid var(--line-pulse);
  padding-bottom: 2px;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

/* ---------- 处理流程 ---------- */
.page-contact .contact-process {
  background: var(--ink);
}

.page-contact .contact-process h2 {
  max-width: 22ch;
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-steps li {
  position: relative;
  padding: 18px clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--contact-soft-line);
  border-radius: var(--radius-m);
  background: var(--contact-panel);
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-contact .contact-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(217, 168, 92, 0));
}

.page-contact .contact-steps li:hover {
  border-color: var(--line-gold);
  transform: translateY(-2px);
}

.page-contact .contact-steps__idx {
  display: block;
  font-size: 0.74rem;
  color: var(--pulse);
}

.page-contact .contact-steps h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-steps p {
  max-width: 46ch;
  margin: 8px 0 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: rgba(221, 231, 226, 0.82);
}

.page-contact .contact-process__note {
  max-width: 64ch;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--contact-soft-line);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 渠道用途 ---------- */
.page-contact .contact-scope {
  background:
    radial-gradient(80% 70% at 88% 10%, rgba(139, 124, 246, 0.1), transparent 62%),
    var(--ink-2);
}

.page-contact .contact-scope__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.page-contact .contact-scope__head h2 {
  max-width: 16ch;
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-scope__body > p {
  max-width: 62ch;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--haze);
}

.page-contact .contact-scope__body ul {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-scope__body li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(221, 231, 226, 0.86);
}

.page-contact .contact-scope__body li::before {
  content: "";
  position: absolute;
  top: 0.76em;
  left: 0;
  width: 10px;
  height: 1px;
  background: var(--pulse);
}

.page-contact .contact-scope__body a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid var(--line-pulse);
  padding-bottom: 1px;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .contact-prep {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
  }

  .page-contact .contact-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .contact-scope__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-contact .contact-topics__layout {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
  }

  .page-contact .contact-topics__rail {
    position: sticky;
    top: clamp(20px, 3vw, 40px);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-steps li:hover {
    transform: none;
  }

  .page-contact .topic__mark::before,
  .page-contact .topic__mark::after {
    transition: none;
  }
}
<<<END>>>