.page-contact {
  --ct-gap: clamp(14px, 1.6vw, 20px);
  --ct-card-pad: clamp(18px, 2.3vw, 26px);
  display: block;
  padding-bottom: clamp(52px, 7vw, 96px);
  background: var(--ink);
  overflow-x: hidden;
}

/* ---------- 顶部 ---------- */
.page-contact .ct-hero {
  position: relative;
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-contact .ct-hero__media {
  position: relative;
  height: clamp(168px, 34vw, 318px);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 44%;
  filter: saturate(0.78) contrast(1.06) brightness(0.68);
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 92% at 78% 22%, rgba(242, 193, 78, 0.17), transparent 62%),
    linear-gradient(180deg, rgba(6, 11, 24, 0.18) 0%, rgba(6, 11, 24, 0.86) 74%, var(--ink) 100%);
  pointer-events: none;
}

.page-contact .ct-hero__body {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  margin-top: clamp(-56px, -6vw, -24px);
  padding: 0 var(--pad) clamp(26px, 3.4vw, 42px);
}

.page-contact .ct-hero .crumbs {
  margin-bottom: 14px;
}

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

.page-contact .ct-hero h1 {
  margin: 10px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.72rem, 4.6vw, 3.05rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .ct-hero__intro {
  margin: 16px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(0.96rem, 1.12vw, 1.08rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .ct-fact__k {
  font-family: var(--font-head);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-contact .ct-fact__v {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 62px) var(--pad) 0;
}

.page-contact .ct-section--last {
  padding-bottom: clamp(8px, 2vw, 26px);
}

.page-contact .ct-section__head {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact .ct-section__lead {
  margin: 10px 0 0;
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: clamp(0.92rem, 1.02vw, 1rem);
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 问题分类卡 ---------- */
.page-contact .ct-topics {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-topic {
  --ct-accent: var(--line);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 18px 18px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--ct-accent);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(20, 34, 68, 0.6) 0%, rgba(13, 23, 48, 0.95) 46%),
    var(--panel);
  transition: border-color var(--t-fast), transform var(--t-fast);
}

.page-contact .ct-topic:hover {
  border-color: var(--line);
  border-top-color: var(--ct-accent);
}

.page-contact .ct-topic--gold { --ct-accent: var(--gold); }
.page-contact .ct-topic--cyan { --ct-accent: var(--cyan); }
.page-contact .ct-topic--coral { --ct-accent: var(--coral); }

.page-contact .ct-topic__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ct-accent);
}

.page-contact .ct-topic__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.06rem, 1.4vw, 1.24rem);
  line-height: 1.4;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-contact .ct-topic__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-topic__more {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .ct-topic__more summary {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
}

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

.page-contact .ct-topic__more summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--ct-accent);
}

.page-contact .ct-topic__more[open] summary::after {
  content: "\2013";
}

.page-contact .ct-topic__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.page-contact .ct-topic__list li {
  position: relative;
  padding-left: 14px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--dim);
}

.page-contact .ct-topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 1px;
  background: var(--ct-accent);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--ct-card-pad);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
}

.page-contact .ct-channel--mail {
  border-color: rgba(242, 193, 78, 0.34);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(242, 193, 78, 0.09), transparent 58%),
    var(--panel);
}

.page-contact .ct-channel__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-channel__addr {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  word-break: break-all;
}

/* 单击复制 */
.page-contact .ct-copy {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--lift);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background-color var(--t-fast);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  border-color: var(--gold-deep);
  background: #17274d;
}

.page-contact .ct-copy:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-contact .ct-copy[data-copied] {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px rgba(242, 193, 78, 0.4), 0 0 22px rgba(242, 193, 78, 0.16);
}

.page-contact .ct-copy__val {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.7vw, 1.28rem);
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
  word-break: break-all;
}

.page-contact .ct-copy__hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.page-contact .ct-copy[data-copied] .ct-copy__hint {
  color: var(--gold);
}

/* ---------- 反馈要素 ---------- */
.page-contact .ct-attach {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.8vw, 34px);
}

.page-contact .ct-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--ink-deep);
  aspect-ratio: 760 / 480;
}

.page-contact .ct-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) brightness(0.82);
}

.page-contact .ct-attach__fields {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .ct-attach__field {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 15px 16px;
  background: var(--panel);
}

.page-contact .ct-attach__k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .ct-attach__v strong {
  display: block;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}

.page-contact .ct-attach__v p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 描述模板 ---------- */
.page-contact .ct-tmpl {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold-deep);
  border-radius: var(--r-md);
  background: var(--lift);
  padding: 16px 16px 14px;
}

.page-contact .ct-tmpl__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-contact .ct-tmpl__note {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.page-contact .ct-tmpl__body {
  margin: 0;
  padding: 14px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
  background: var(--ink-deep);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.95;
  color: var(--muted);
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-contact .ct-tmpl__copy {
  margin-top: 12px;
}

.page-contact .ct-tmpl__copy[data-copied] {
  border-color: var(--gold);
  color: var(--gold);
  box-shadow: 0 0 0 1px rgba(242, 193, 78, 0.35);
}

/* ---------- 处理流程 ---------- */
.page-contact .ct-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-contact .ct-flow__step {
  position: relative;
  padding: 20px 18px 20px 20px;
  background: var(--panel);
}

.page-contact .ct-flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--ct-step, var(--line));
}

.page-contact .ct-flow__step:nth-child(1) { --ct-step: var(--gold); }
.page-contact .ct-flow__step:nth-child(2) { --ct-step: var(--cyan); }
.page-contact .ct-flow__step:nth-child(3) { --ct-step: var(--coral); }

.page-contact .ct-flow__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ct-step, var(--dim));
  margin-bottom: 8px;
}

.page-contact .ct-flow__title {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-contact .ct-flow__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-help {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

.page-contact .ct-help__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--ct-card-pad);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: var(--panel);
  text-decoration: none;
  transition: border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast);
}

.page-contact .ct-help__card:hover,
.page-contact .ct-help__card:focus-visible {
  border-color: var(--gold-deep);
  background: #101c3a;
  transform: translateY(-2px);
}

.page-contact .ct-help__card:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-contact .ct-help__k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .ct-help__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.04rem, 1.4vw, 1.2rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .ct-help__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-help__go {
  margin-top: 4px;
  font-family: var(--font-head);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--gold);
}

.page-contact .ct-help__card:hover .ct-help__go {
  color: var(--gold-deep);
}

.page-contact .ct-help__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-body);
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--dim);
}

.page-contact .ct-help__foot a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-contact .ct-channels {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }

  .page-contact .ct-channel--wide {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px 20px;
  }

  .page-contact .ct-channel--wide .ct-channel__text {
    flex: 1 1 320px;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-flow__step {
    padding: 22px 20px 24px;
  }
}

@media (min-width: 1024px) {
  .page-contact .ct-topics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-topics > .ct-topic:nth-child(2) {
    margin-top: 26px;
  }

  .page-contact .ct-topics > .ct-topic:nth-child(3) {
    margin-top: 10px;
  }

  .page-contact .ct-topics > .ct-topic:nth-child(4) {
    margin-top: 36px;
  }

  .page-contact .ct-attach {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-contact .ct-media {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
  }
}

@media (min-width: 1280px) {
  .page-contact .ct-hero__intro {
    font-size: 1.08rem;
  }
}
<<<END>>>