.page-contact {
  --c-max: 1140px;
  --c-gutter: clamp(20px, 5vw, 60px);
  --c-gap: clamp(18px, 2.6vw, 30px);
  --c-radius: 16px;
  --c-radius-sm: 12px;
  --c-muted: #56657a;
  background: var(--ice);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact .c-wrap {
  width: 100%;
  max-width: var(--c-max);
  margin-inline: auto;
  padding-inline: var(--c-gutter);
}

/* ---------- 首屏 ---------- */
.page-contact .c-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 40px) clamp(44px, 7vw, 88px);
  color: var(--ice);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(46, 111, 158, 0.5), transparent 62%),
    linear-gradient(165deg, var(--deep) 0%, var(--night) 82%);
}

.page-contact .c-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% -34% -12%;
  height: 62%;
  background: repeating-linear-gradient(115deg, rgba(216, 169, 78, 0.14) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

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

.page-contact .c-hero .breadcrumb {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(246, 248, 251, 0.6);
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-contact .c-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .c-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(216, 169, 78, 0.7);
}

.page-contact .c-hero .breadcrumb a {
  color: var(--gold-soft);
  text-decoration: none;
}

.page-contact .c-hero .breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .c-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-contact .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .c-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.2rem, 6.4vw, 4.3rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .c-hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 22px;
  background: var(--gold);
}

.page-contact .lede {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.82);
}

.page-contact .c-hero__facts {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .c-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(246, 248, 251, 0.78);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(216, 169, 78, 0.18);
}

.page-contact .c-hero__facts .mono {
  flex: 0 0 auto;
  min-width: 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.page-contact .c-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .c-hero__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .c-hero__actions .btn--accent {
  background: var(--ember);
  color: #fff;
  border: 1px solid var(--ember);
}

.page-contact .c-hero__actions .btn--accent:hover {
  transform: translateY(-2px);
}

.page-contact .c-hero__actions .btn--ghost {
  background: transparent;
  color: var(--gold-soft);
  border: 1px solid rgba(216, 169, 78, 0.5);
}

.page-contact .c-hero__actions .btn--ghost:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-contact .c-hero__actions .btn:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.page-contact .c-hero__media {
  margin: 0;
  padding: 10px;
  border-radius: calc(var(--c-radius) + 6px);
  border: 1px solid rgba(216, 169, 78, 0.32);
  background: rgba(23, 59, 102, 0.45);
  backdrop-filter: blur(10px);
}

.page-contact .c-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--c-radius);
  object-fit: cover;
}

.page-contact .c-hero__media figcaption {
  padding: 10px 4px 2px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(246, 248, 251, 0.6);
}

/* ---------- 区块骨架 ---------- */
.page-contact .c-sec {
  padding-block: clamp(48px, 7vw, 92px);
}

.page-contact .c-sec--ice {
  background: var(--ice);
  color: var(--ink);
}

.page-contact .c-sec--deep {
  color: var(--ice);
  background: linear-gradient(170deg, var(--night) 0%, var(--deep) 62%, #0d2544 100%);
}

.page-contact .c-sec__head {
  max-width: 58ch;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .rule-gold {
  width: 52px;
  height: 3px;
  margin: 0 0 20px;
  border: 0;
  background: var(--gold);
}

.page-contact .c-sec__head h2 {
  margin: 0 0 14px;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-contact .c-sec__head p:not(.eyebrow) {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .c-sec--deep .c-sec__head p:not(.eyebrow) {
  color: rgba(246, 248, 251, 0.76);
}

/* ---------- 联系通道 ---------- */
.page-contact .c-channel-grid {
  display: grid;
  gap: var(--c-gap);
  grid-template-columns: 1fr;
}

.page-contact .c-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid rgba(42, 74, 107, 0.18);
  border-radius: var(--c-radius);
  background: #fff;
  box-shadow: var(--shadow-lift);
}

.page-contact .c-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 3px;
  background: var(--gold);
}

.page-contact .c-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #8a6a1f;
}

.page-contact .c-channel__value {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
  font-weight: 600;
  line-height: 1.35;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .c-channel__value.num {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-contact .c-channel__value--mail {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.9vw, 1.15rem);
  word-break: break-all;
}

.page-contact .c-channel__value--addr {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
}

.page-contact .c-channel__note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-contact .c-channel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .c-channel .contact-copy {
  appearance: none;
  padding: 9px 16px;
  border: 1px solid rgba(42, 74, 107, 0.3);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .c-channel .contact-copy:hover,
.page-contact .c-channel .contact-copy.is-copied {
  border-color: var(--gold);
  color: #8a6a1f;
}

.page-contact .c-channel .contact-copy:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .c-channel__action {
  align-self: flex-start;
  margin-top: 2px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ember);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .c-channel__action:hover {
  border-bottom-color: var(--ember);
}

.page-contact .c-channel__action:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 反馈类型 ---------- */
.page-contact .c-tabs .tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 2px 8px;
  scrollbar-width: thin;
}

.page-contact .c-tabs .tab {
  flex: 0 0 auto;
  padding: 11px 18px;
  border: 1px solid rgba(216, 169, 78, 0.4);
  border-radius: 999px;
  background: rgba(23, 59, 102, 0.35);
  color: rgba(246, 248, 251, 0.86);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .c-tabs .tab:hover {
  border-color: var(--gold);
  color: var(--ice);
}

.page-contact .c-tabs .tab[aria-selected="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--night);
}

.page-contact .c-tabs .tab:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.page-contact .c-tabs .tabpanel {
  display: block;
  margin-top: 18px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(216, 169, 78, 0.26);
  border-radius: var(--c-radius);
  background: rgba(23, 59, 102, 0.55);
  backdrop-filter: blur(8px);
  color: rgba(246, 248, 251, 0.88);
}

.page-contact .c-tabs .tabpanel[hidden] {
  display: none;
}

.page-contact .c-tabs .tabpanel h3 {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  font-weight: 600;
  color: var(--ice);
}

.page-contact .c-tabs__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.74);
}

.page-contact .c-panel-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .c-panel-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .c-panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--gold);
}

.page-contact .c-panel-list .mono {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
}

.page-contact .c-panel-list a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .c-panel-list a:hover {
  color: var(--gold);
}

/* ---------- 响应流程 ---------- */
.page-contact .c-process {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .c-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .c-flow__item {
  position: relative;
  padding: 0 0 clamp(26px, 3.4vw, 38px) 46px;
}

.page-contact .c-flow__item:last-child {
  padding-bottom: 0;
}

.page-contact .c-flow__item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(216, 169, 78, 0.2);
}

.page-contact .c-flow__item::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 25px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--line), rgba(42, 74, 107, 0.14));
}

.page-contact .c-flow__item:last-child::after {
  display: none;
}

.page-contact .c-flow__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #8a6a1f;
}

.page-contact .c-flow__item h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--deep);
}

.page-contact .c-flow__item p:last-child {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .c-process__media {
  margin: 0;
  align-self: start;
}

.page-contact .c-process__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--c-radius);
  border: 1px solid rgba(42, 74, 107, 0.18);
}

.page-contact .c-process__media figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--c-muted);
}

/* ---------- 合作共建 ---------- */
.page-contact .c-partner-grid {
  display: grid;
  gap: var(--c-gap);
  grid-template-columns: 1fr;
}

.page-contact .c-partner {
  padding-top: 18px;
  border-top: 1px solid rgba(216, 169, 78, 0.34);
}

.page-contact .c-partner__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .c-partner h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ice);
}

.page-contact .c-partner p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.74);
}

.page-contact .c-partner__cta {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(216, 169, 78, 0.24);
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.8);
}

.page-contact .c-partner__cta a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 服务时间与联系方式 ---------- */
.page-contact .c-service {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .c-rows {
  margin: 0;
  border-top: 1px solid rgba(42, 74, 107, 0.2);
}

.page-contact .c-rows__item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(42, 74, 107, 0.16);
}

.page-contact .c-rows__item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #8a6a1f;
}

.page-contact .c-rows__item dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .c-rows__item dd.num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--deep);
}

.page-contact .c-details {
  margin-top: 22px;
  border: 1px solid rgba(42, 74, 107, 0.2);
  border-radius: var(--c-radius-sm);
  background: #fff;
}

.page-contact .c-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--deep);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .c-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .c-details[open] summary::after {
  content: "–";
}

.page-contact .c-details summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-contact .c-details p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .c-service__aside {
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--c-radius);
  background: linear-gradient(160deg, var(--deep), var(--night));
  color: var(--ice);
}

.page-contact .c-service__aside h3 {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gold-soft);
}

.page-contact .c-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .c-links li {
  display: grid;
  gap: 3px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(216, 169, 78, 0.18);
}

.page-contact .c-links li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .c-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ice);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-contact .c-links a:hover {
  color: var(--gold-soft);
}

.page-contact .c-links a:focus-visible {
  outline: 2px solid var(--gold-soft);
  outline-offset: 3px;
}

.page-contact .c-links span {
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(246, 248, 251, 0.66);
}

.page-contact .c-service__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(216, 169, 78, 0.24);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(246, 248, 251, 0.72);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .c-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-contact .c-rows__item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .c-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-contact .c-process {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-contact .c-service {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 1020px) {
  .page-contact .c-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .c-partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .c-hero__media {
    transform: translateY(-6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-hero__actions .btn,
  .page-contact .c-channel__action,
  .page-contact .c-tabs .tab,
  .page-contact .c-channel .contact-copy,
  .page-contact .c-links a {
    transition: none;
  }

  .page-contact .c-hero__actions .btn:hover,
  .page-contact .c-hero__media {
    transform: none;
  }
}
<<<END>>>