.page-contact {
  --pc-cut: 14px;
  --pc-gap: 14px;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding-block: 34px 72px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -190px;
  right: -150px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 74, 0.22), rgba(255, 107, 74, 0) 68%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--coral), var(--cyan) 55%, transparent);
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .breadcrumbs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .breadcrumbs__link {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--cyan);
}

.page-contact .breadcrumbs__sep {
  color: var(--line-strong);
}

.page-contact .breadcrumbs__current {
  color: var(--coral);
}

.page-contact .contact-hero__top {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  margin-top: 24px;
  align-items: center;
}

.page-contact .contact-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 5.2vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 14px 0 18px;
}

.page-contact .contact-hero__lede {
  color: var(--mist);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
  max-width: 42ch;
}

.page-contact .contact-hero__note {
  margin-top: 16px;
  padding-left: 15px;
  border-left: 2px solid var(--cyan);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
  max-width: 44ch;
}

.page-contact .contact-hero__figure {
  margin: 0;
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-hero__figure .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--paper);
  margin: 46px 0 18px;
}

.page-contact .contact-channels {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 26px;
  background: rgba(11, 41, 66, 0.72);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--coral), var(--cyan));
  transition: width 0.45s var(--ease);
}

.page-contact .contact-channel:hover,
.page-contact .contact-channel:focus-within {
  background: rgba(19, 47, 69, 0.95);
  box-shadow: inset 0 0 0 1px var(--line-strong);
}

.page-contact .contact-channel:hover::after,
.page-contact .contact-channel:focus-within::after {
  width: 100%;
}

.page-contact .contact-channel--phone {
  background: linear-gradient(158deg, rgba(255, 107, 74, 0.18), rgba(11, 41, 66, 0.92) 62%);
}

.page-contact .contact-channel--phone:hover,
.page-contact .contact-channel--phone:focus-within {
  background: linear-gradient(158deg, rgba(255, 107, 74, 0.28), rgba(19, 47, 69, 0.96) 64%);
}

.page-contact .contact-channel__kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-channel--phone .contact-channel__kicker {
  color: var(--coral);
}

.page-contact .contact-channel__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .contact-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--coral);
  overflow-wrap: anywhere;
}

.page-contact .contact-channel__value--mail {
  font-size: clamp(14px, 1.5vw, 17px);
  color: var(--cyan);
}

.page-contact .contact-channel__text {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

.page-contact .contact-channel__code {
  display: block;
  width: 82px;
  height: 82px;
  margin: 4px 0 2px;
  background-color: var(--paper);
  background-image:
    linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%),
    linear-gradient(45deg, var(--ink) 25%, transparent 25%, transparent 75%, var(--ink) 75%);
  background-size: 14px 14px;
  background-position: 0 0, 7px 7px;
  animation: pc-pulse 3.6s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(52, 245, 208, 0.16); }
  50% { box-shadow: 0 0 0 13px rgba(52, 245, 208, 0.04); }
}

.page-contact .contact-channel__link {
  align-self: flex-start;
  margin-top: 8px;
}

/* ---------- 受理节奏 ---------- */
.page-contact .contact-hours {
  background: var(--paper);
  color: var(--ink);
  padding-block: 62px 68px;
}

.page-contact .contact-hours__eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.page-contact .contact-hours__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 12px 0 30px;
  max-width: 22ch;
}

.page-contact .contact-hours__rows {
  display: grid;
  border-top: 1px solid rgba(11, 41, 66, 0.16);
}

.page-contact .contact-hours__row {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(11, 41, 66, 0.16);
  transition: background 0.3s var(--ease);
}

.page-contact .contact-hours__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--ink-2);
  padding-left: 13px;
  border-left: 3px solid var(--coral);
}

.page-contact .contact-hours__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
}

.page-contact .contact-hours__body p {
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.78;
  max-width: 58ch;
}

/* ---------- 合作流程 ---------- */
.page-contact .contact-flow-section {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  color: var(--paper);
  padding-block: 62px 70px;
}

.page-contact .contact-flow-section::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -12%;
  width: 58%;
  height: 180%;
  background: linear-gradient(115deg, rgba(52, 245, 208, 0.09), transparent 62%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-contact .contact-flow__eyebrow {
  position: relative;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-flow__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 14px;
  max-width: 20ch;
}

.page-contact .contact-flow__sub {
  position: relative;
  z-index: 1;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
  max-width: 48ch;
  margin-bottom: 32px;
}

.page-contact .contact-flow {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-flow__step {
  transition: margin-left 0.4s var(--ease);
}

.page-contact .contact-flow details {
  background: rgba(6, 26, 46, 0.55);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.page-contact .contact-flow details[open] {
  background: rgba(6, 26, 46, 0.88);
  box-shadow: inset 0 0 0 1px rgba(52, 245, 208, 0.42);
}

.page-contact .contact-flow summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

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

.page-contact .contact-flow summary::marker {
  content: "";
}

.page-contact .contact-flow summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--cyan);
  transition: color 0.3s var(--ease);
}

.page-contact .contact-flow details[open] summary::after {
  content: "–";
  color: var(--coral);
}

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

.page-contact .contact-flow__num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink);
  background: var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
  transition: background 0.3s var(--ease);
}

.page-contact .contact-flow details[open] .contact-flow__num {
  background: var(--cyan);
}

.page-contact .contact-flow__body {
  padding: 0 22px 20px 66px;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
  max-width: 64ch;
}

/* ---------- 扫码移动端 ---------- */
.page-contact .contact-scan {
  background: var(--fog);
  color: var(--ink);
  padding-block: 62px 68px;
}

.page-contact .contact-scan__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-contact .contact-scan__eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.page-contact .contact-scan__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 12px 0 20px;
  max-width: 18ch;
}

.page-contact .contact-scan__copy p {
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.8;
  max-width: 52ch;
  margin-bottom: 14px;
}

.page-contact .contact-scan__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .contact-scan__figure {
  margin: 0;
  width: 100%;
  max-width: 400px;
  justify-self: center;
  background: var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.page-contact .contact-scan__figure .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 地址 ---------- */
.page-contact .contact-address-section {
  background: var(--ink);
  color: var(--paper);
  padding-block: 62px 68px;
}

.page-contact .contact-address {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 26px;
  padding: 30px 22px 34px;
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-address::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(52, 245, 208, 0.15) 1px, transparent 1px),
    linear-gradient(0deg, rgba(52, 245, 208, 0.15) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(circle at 84% 16%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 84% 16%, #000 0%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-address > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-address__eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-address__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 12px 0 16px;
}

.page-contact .contact-address__addr {
  display: block;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 15px;
  line-height: 1.72;
  letter-spacing: 0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
  margin-bottom: 16px;
}

.page-contact .contact-address__text {
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
  max-width: 54ch;
}

.page-contact .contact-address__side {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-address__kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 8px;
}

.page-contact .contact-address__time {
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin-bottom: 12px;
}

.page-contact .contact-address__hint {
  color: var(--mist);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .contact-address__legal {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
}

.page-contact .contact-address__legal a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(52, 245, 208, 0.42);
  transition: border-color 0.25s var(--ease);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hours__rows {
    border-top: 1px solid rgba(11, 41, 66, 0.16);
  }
  .page-contact .contact-hours__row {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
    padding: 26px 14px 26px 0;
  }
  .page-contact .contact-hours__row:hover {
    background: rgba(52, 245, 208, 0.1);
  }
}

@media (min-width: 880px) {
  .page-contact .contact-address {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 46px;
    padding: 42px 38px 46px;
  }
  .page-contact .contact-address__side {
    padding-top: 0;
    padding-left: 32px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-block: 44px 84px;
  }
  .page-contact .contact-hero__top {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 54px;
    margin-top: 32px;
  }
  .page-contact .contact-channels__title {
    margin-top: 56px;
  }
  .page-contact .contact-hours,
  .page-contact .contact-flow-section,
  .page-contact .contact-scan,
  .page-contact .contact-address-section {
    padding-block: 78px 86px;
  }
  .page-contact .contact-scan__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 56px;
  }
  .page-contact .contact-flow__step:nth-child(2) {
    margin-left: 2.5%;
  }
  .page-contact .contact-flow__step:nth-child(3) {
    margin-left: 5%;
  }
  .page-contact .contact-flow__step:nth-child(4) {
    margin-left: 7.5%;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-contact .contact-channel--phone {
    grid-column: span 7;
  }
  .page-contact .contact-channel--mail {
    grid-column: span 5;
  }
  .page-contact .contact-channel--scan {
    grid-column: span 5;
  }
  .page-contact .contact-channel--self {
    grid-column: span 7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel__code {
    animation: none;
    box-shadow: 0 0 0 8px rgba(52, 245, 208, 0.14);
  }
  .page-contact .contact-channel,
  .page-contact .contact-channel::after,
  .page-contact .contact-flow__step,
  .page-contact .contact-flow details {
    transition: none;
  }
}
<<<END>>>