.page-contact {
  --contact-line: #24415F;
  --contact-muted: #A8B4C2;
  --contact-dim: #7C93AD;
  background: var(--ink);
  color: var(--fog);
  line-height: 1.75;
}

/* ===== 首屏 ===== */
.contact-hero {
  position: relative;
  padding-top: clamp(1.75rem, 5vw, 3.25rem);
  background:
    linear-gradient(180deg, rgba(7, 20, 38, 0) 0%, rgba(7, 20, 38, 0.55) 62%, var(--ink) 100%),
    repeating-linear-gradient(90deg, rgba(36, 65, 95, 0.42) 0 1px, transparent 1px 118px),
    var(--sea);
}

.contact-hero__inner {
  padding-bottom: clamp(2rem, 5.5vw, 3.25rem);
}

.contact-hero .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.contact-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.85rem, 7vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.028em;
  margin: 0.45rem 0 1.1rem;
  max-width: 900px;
  color: var(--fog);
}

.contact-hero__title em {
  font-style: normal;
  color: var(--signal);
  position: relative;
}

.contact-hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.02em;
  height: 3px;
  background: var(--signal);
  opacity: 0.32;
}

.contact-hero__lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(0.9375rem, 2.4vw, 1.0625rem);
  color: var(--rock);
}

.contact-meta {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.contact-meta__cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1.1rem;
  background: var(--ink);
}

.contact-meta__key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--contact-dim);
}

.contact-meta__val {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(0.9375rem, 2.6vw, 1rem);
  color: var(--fog);
}

.contact-hero__media {
  margin: 0;
  border-top: 1px solid var(--contact-line);
}

.contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.05);
}

/* ===== 章节推进 ===== */
.page-contact .contact-section {
  padding-block: clamp(2.5rem, 6.5vw, 4.5rem);
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-section:first-of-type {
  border-top: 0;
}

.contact-head {
  display: grid;
  gap: 0.65rem;
  max-width: 760px;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.contact-head__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 4.2vw, 2.05rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--fog);
}

.contact-head__text {
  margin: 0;
  max-width: 64ch;
  color: var(--rock);
  font-size: clamp(0.9375rem, 2.4vw, 1rem);
}

/* ===== 联络渠道 ===== */
.channel-grid {
  display: grid;
  gap: 1.25rem;
}

.channel-col {
  display: grid;
  gap: 1.25rem;
}

.channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.15rem, 3.2vw, 1.75rem);
  border: 1px solid var(--contact-line);
  background: linear-gradient(135deg, var(--sea) 0%, var(--panel) 100%);
  transition: background 240ms var(--ease), border-color 240ms var(--ease);
}

.channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--signal);
  transform: scaleY(0.32);
  transform-origin: top;
  transition: transform 260ms var(--ease);
}

.channel:hover {
  background: linear-gradient(135deg, var(--panel) 0%, var(--sea) 100%);
  border-color: var(--signal-soft);
}

.channel:hover::before {
  transform: scaleY(1);
}

.channel__label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--contact-dim);
}

.channel__label::before {
  content: "";
  width: 1.15rem;
  height: 1px;
  background: currentColor;
  flex: none;
}

.channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.125rem, 3.6vw, 1.55rem);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--fog);
  overflow-wrap: anywhere;
}

.channel__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.5);
  padding-bottom: 2px;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.channel__value a:hover,
.channel__value a:focus-visible {
  color: var(--signal-soft);
  border-color: var(--signal-soft);
}

.channel__note {
  margin: 0;
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.72;
}

.channel__copy {
  align-self: flex-start;
  margin-top: 0.85rem;
}

.channel__copy:focus-visible {
  outline: 2px solid var(--signal-soft);
  outline-offset: 3px;
}

/* ===== 侧栏：服务时间与响应 ===== */
.contact-side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.hours-card {
  padding: clamp(1.15rem, 3.2vw, 1.75rem);
  border: 1px solid var(--contact-line);
  background: var(--panel);
}

.hours-card__label,
.response-card__label {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--contact-dim);
}

.hours-card__big {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.75rem, 5.6vw, 2.5rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--fog);
}

.hours-card__dash {
  color: var(--signal);
}

.hours-card__sub {
  margin: 0 0 1.35rem;
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.72;
}

.hours-scale {
  display: grid;
  gap: 0.5rem;
}

.hours-scale__track {
  position: relative;
  height: 6px;
  background: var(--line);
  overflow: hidden;
}

.hours-scale__fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--signal) 0%, var(--signal-soft) 100%);
}

.hours-scale__labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  color: var(--contact-dim);
}

.response-card {
  padding: clamp(1.15rem, 3.2vw, 1.75rem);
  border: 1px solid var(--contact-line);
  background: var(--sea);
}

.response-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.response-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.72;
}

.response-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--signal);
}

/* ===== 赛事反馈 ===== */
.feedback-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.feedback-col {
  min-width: 0;
}

.prep-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.prep-list > li {
  background: var(--sea);
}

.prep-item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding: 1rem 1.05rem;
  cursor: pointer;
  transition: background 200ms var(--ease);
}

.prep-item:hover {
  background: var(--panel);
}

.prep-item__box {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 0.28rem 0 0;
  border: 1px solid var(--contact-dim);
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  flex: none;
}

.prep-item__box::after {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--signal);
  transform: scale(0);
  transition: transform 160ms var(--ease);
}

.prep-item__box:checked::after {
  transform: scale(1);
}

.prep-item__box:focus-visible {
  outline: 2px solid var(--signal-soft);
  outline-offset: 2px;
}

.prep-item__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--contact-dim);
  padding-top: 0.34rem;
}

.prep-item__body {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.prep-item__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--fog);
}

.prep-item__desc {
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.feedback-links {
  display: grid;
  gap: 0.65rem;
  padding-left: 1rem;
  border-left: 2px solid var(--clay);
}

.feedback-links p {
  margin: 0;
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.72;
}

.feedback-links a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.45);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.feedback-links a:hover,
.feedback-links a:focus-visible {
  color: var(--signal-soft);
  border-color: var(--signal-soft);
}

.feedback-figure {
  margin: 0;
}

.feedback-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--contact-line);
  filter: saturate(0.72) contrast(1.04);
}

/* ===== 合作与内容咨询 ===== */
.coop-grid {
  display: grid;
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.coop-item {
  position: relative;
  padding: clamp(1.25rem, 3.4vw, 2rem);
  background: var(--sea);
  transition: background 240ms var(--ease);
}

.coop-item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--moss);
}

.coop-item--data::before {
  background: var(--clay);
}

.coop-item:hover {
  background: var(--panel);
}

.coop-item__tag {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--contact-dim);
}

.coop-item__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  line-height: 1.3;
  margin: 0 0 0.7rem;
  color: var(--fog);
}

.coop-item__text {
  margin: 0 0 0.9rem;
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.coop-item__hint {
  margin: 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--contact-line);
  font-size: 0.875rem;
  color: var(--contact-muted);
}

.coop-item__hint a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.45);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.coop-item__hint a:hover,
.coop-item__hint a:focus-visible {
  color: var(--signal-soft);
  border-color: var(--signal-soft);
}

/* ===== 地址 ===== */
.loc-grid {
  display: grid;
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.loc-main {
  position: relative;
  padding: clamp(1.25rem, 3.4vw, 2rem);
  background: var(--panel);
  overflow: hidden;
}

.loc-main::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(36, 65, 95, 0.7) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 65, 95, 0.7) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(155deg, #000 0%, transparent 72%);
  mask-image: linear-gradient(155deg, #000 0%, transparent 72%);
}

.loc-main > * {
  position: relative;
  z-index: 1;
}

.loc-main__value {
  margin: 0 0 0.8rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.4vw, 1.6rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.loc-main__note {
  margin: 0;
  color: var(--rock);
  font-size: 0.9375rem;
  line-height: 1.75;
  max-width: 60ch;
}

.loc-main__note a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 44, 0.45);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.loc-main__note a:hover,
.loc-main__note a:focus-visible {
  color: var(--signal-soft);
  border-color: var(--signal-soft);
}

.loc-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  background: var(--sea);
}

.loc-facts li {
  display: grid;
  gap: 0.2rem;
  padding: 0.95rem 1.2rem;
  border-bottom: 1px solid var(--contact-line);
}

.loc-facts li:last-child {
  border-bottom: 0;
}

.loc-facts__key {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  color: var(--contact-dim);
}

.loc-facts__val {
  font-size: 0.9375rem;
  color: var(--fog);
  overflow-wrap: anywhere;
}

/* ===== 平板与桌面 ===== */
@media (min-width: 700px) {
  .contact-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .feedback-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .loc-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
  }
}

@media (min-width: 960px) {
  .channel-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
  }

  .contact-head__text {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .channel,
  .channel::before,
  .coop-item,
  .prep-item,
  .prep-item__box::after {
    transition: none;
  }
}
<<<END>>>