.page-contact {
  --contact-shadow: 0 20px 44px -28px rgba(8, 21, 44, .6);
  --contact-shadow-strong: 0 30px 60px -32px rgba(8, 21, 44, .82);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
}

.page-contact .crumb a {
  color: rgba(244, 241, 232, .62);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-contact .crumb--current {
  color: var(--gold);
}

.page-contact .crumb-sep {
  color: rgba(244, 241, 232, .3);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(28px, 5vw, 52px) 0 clamp(44px, 7vw, 86px);
  background:
    radial-gradient(120% 130% at 88% 4%, rgba(53, 224, 200, .16) 0%, transparent 55%),
    radial-gradient(96% 120% at 2% 100%, rgba(212, 168, 83, .15) 0%, transparent 62%),
    var(--navy);
  overflow: hidden;
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 34px);
}

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

.page-contact .contact-hero-title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(1.75rem, 6.4vw, 3.35rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .contact-hero .lede {
  margin-top: 20px;
  max-width: 64ch;
  color: rgba(244, 241, 232, .8);
}

.page-contact .contact-hero .cta-row {
  margin-top: clamp(24px, 3vw, 34px);
}

.page-contact .hero-note {
  display: grid;
  gap: 10px;
  padding: 6px 0 6px 18px;
  border-left: 2px solid var(--gold);
}

.page-contact .note-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-contact .note-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, .74);
}

/* ---------- 渠道区 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding: clamp(42px, 7vw, 82px) 0 clamp(64px, 9vw, 124px);
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%);
  overflow: hidden;
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 226, 210, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 226, 210, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-contact .contact-channels > .container {
  position: relative;
  z-index: 1;
}

.page-contact .channels-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: clamp(24px, 3.5vw, 40px);
}

.page-contact .channels-intro {
  margin: 0;
  font-size: clamp(.95rem, 1.05vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(244, 241, 232, .74);
}

.page-contact .channels-media {
  margin: 0 0 clamp(26px, 4vw, 46px);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .channels-media img,
.page-contact .coop-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--line-strong);
  background: var(--navy);
  box-shadow: var(--contact-shadow);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .channel-card:hover {
  border-color: rgba(212, 168, 83, .62);
  box-shadow: var(--contact-shadow-strong);
}

.page-contact .channel-bar {
  display: block;
  width: 52px;
  height: 4px;
  background: var(--gold);
}

.page-contact .channel-card:nth-child(2) .channel-bar {
  background: var(--cyan);
}

.page-contact .channel-card:nth-child(3) .channel-bar {
  background: var(--moss);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(.95rem, 2.3vw, 1.0625rem);
  font-weight: 500;
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--gold);
  word-break: break-all;
  user-select: all;
}

.page-contact .channel-card .card-text {
  margin: 0;
  color: rgba(244, 241, 232, .74);
  line-height: 1.8;
}

.page-contact .channel-card .card-meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: rgba(244, 241, 232, .56);
}

/* ---------- 联系前的准备 ---------- */
.page-contact .contact-prep {
  position: relative;
  padding: clamp(56px, 9vw, 104px) 0;
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
}

.page-contact .contact-prep::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(26px, 3.6vw, 58px);
  background: var(--navy-2);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-contact .contact-prep .eyebrow {
  color: var(--clay);
}

.page-contact .contact-prep .lede {
  color: var(--ink-soft);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
}

.page-contact .prep-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--edge);
  border: 1px solid var(--edge);
}

.page-contact .prep-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: clamp(16px, 2.2vw, 24px);
  background: rgba(255, 255, 255, .62);
}

.page-contact .prep-no {
  padding-top: .2em;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--moss);
}

.page-contact .prep-list h3 {
  margin: 0 0 6px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-contact .prep-list p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-reply {
  position: relative;
  padding: clamp(46px, 7vw, 84px) 0;
  background: var(--navy);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-reply::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 46%;
  height: 100%;
  background: radial-gradient(90% 80% at 100% 0%, rgba(53, 224, 200, .12) 0%, transparent 62%);
  pointer-events: none;
}

.page-contact .reply-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 48px);
}

.page-contact .reply-figure {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .reply-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 13vw, 6rem);
  font-weight: 500;
  line-height: .9;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-contact .reply-unit {
  margin: 0;
  font-size: clamp(1rem, 2.4vw, 1.25rem);
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-contact .reply-body .section-title {
  color: var(--paper);
}

.page-contact .reply-list {
  display: grid;
  gap: 14px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .reply-list li {
  position: relative;
  padding-left: 22px;
  font-size: .9688rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, .82);
}

.page-contact .reply-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-coop {
  position: relative;
  padding: clamp(60px, 9vw, 108px) 0;
  background: var(--paper);
  color: var(--ink);
  overflow: hidden;
}

.page-contact .contact-coop::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(24px, 3.4vw, 54px);
  background: var(--navy);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-contact .contact-coop .eyebrow {
  color: var(--clay);
}

.page-contact .contact-coop .lede {
  color: var(--ink-soft);
}

.page-contact .coop-media {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: 1px solid var(--edge);
  box-shadow: 8px 10px 0 -2px rgba(232, 226, 210, .9);
  overflow: hidden;
}

.page-contact .coop-list {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin: clamp(34px, 5vw, 58px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(18px, 2.4vw, 28px) 0 clamp(18px, 2.4vw, 28px) clamp(16px, 2.4vw, 28px);
  border-top: 1px solid var(--edge);
  border-left: 2px solid var(--gold);
  transition: border-left-color .3s var(--ease);
}

.page-contact .coop-item:hover {
  border-left-color: var(--cyan);
}

.page-contact .coop-no {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4vw, 2.15rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-contact .coop-title {
  margin: 0 0 10px;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-contact .coop-text {
  margin: 0 0 16px;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-contact .coop-detail {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-contact .coop-detail > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
}

.page-contact .coop-detail dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--clay);
}

.page-contact .coop-detail dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-self {
  position: relative;
  padding: clamp(50px, 8vw, 92px) 0;
  background: var(--navy-2);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-self .eyebrow {
  color: var(--cyan);
}

.page-contact .contact-self .section-title {
  color: var(--paper);
}

.page-contact .self-head {
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-contact .self-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .self-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: rgba(11, 27, 58, .72);
  color: inherit;
  text-decoration: none;
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-contact .self-card:hover,
.page-contact .self-card:focus-visible {
  border-color: var(--cyan);
  background: rgba(11, 27, 58, .96);
}

.page-contact .self-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-contact .self-card-text {
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, .72);
}

.page-contact .self-card-arrow {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .self-foot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, .66);
}

.page-contact .self-foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(212, 168, 83, .5);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

/* ---------- 焦点可见性 ---------- */
.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channels-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

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

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

  .page-contact .coop-detail > div {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, .85fr);
    align-items: end;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .reply-grid {
    grid-template-columns: minmax(190px, .55fr) minmax(0, 1.45fr);
    align-items: center;
  }

  .page-contact .reply-figure {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-bottom: 24px;
    border-bottom: 0;
    border-left: 1px solid var(--line-strong);
    padding-left: 24px;
  }

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

@media (min-width: 1040px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    padding-bottom: 54px;
  }

  .page-contact .channel-card:nth-child(2) {
    transform: translateY(26px);
  }

  .page-contact .channel-card:nth-child(3) {
    transform: translateY(52px);
  }

  .page-contact .coop-item {
    grid-template-columns: 74px minmax(0, 1fr);
  }
}
<<<END>>>