.page-contact {
  --ct-gap: 1.25rem;
  --ct-key: #7A7264;
  --ct-hair: #D9D2C7;
  background: var(--ma-black);
  color: var(--ma-slate);
  font-family: var(--ma-font-body);
  overflow-x: hidden;
}

.page-contact h2 {
  margin: .75rem 0 0;
  font-family: var(--ma-font-head);
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.28;
  color: var(--ma-paper);
}

.page-contact h3 {
  margin: 0 0 .8rem;
  font-family: var(--ma-font-head);
  font-size: 1.15rem;
  color: var(--ma-paper);
}

.page-contact .ct-section {
  padding: 3rem 0;
}

.page-contact .ct-note {
  max-width: 42em;
  margin: .9rem 0 2rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ma-slate);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: 2.25rem 0 2.75rem;
  border-bottom: 1px solid var(--ma-stroke);
  background:
    radial-gradient(110% 80% at 88% -12%, rgba(158, 27, 47, .5), transparent 62%),
    radial-gradient(80% 70% at 4% 112%, rgba(74, 15, 28, .55), transparent 66%),
    linear-gradient(180deg, #111116 0%, var(--ma-black) 84%);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 2.25rem;
}

.page-contact .ct-hero__title {
  margin: .9rem 0 0;
  padding-bottom: 1rem;
  font-family: var(--ma-font-head);
  font-size: clamp(2rem, 6.4vw, 3.7rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--ma-paper);
  border-bottom: 2px solid var(--ma-red);
}

.page-contact .ct-hero__lead {
  max-width: 34em;
  margin: 1.2rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(243, 237, 227, .78);
}

.page-contact .ct-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__media {
  margin: 0;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.72) brightness(.86) contrast(1.06);
  border: 1px solid var(--ma-stroke);
}

.page-contact .ct-hero__media .ma-media__caption {
  margin-top: .7rem;
  font-family: var(--ma-font-mono);
  font-size: .74rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--ma-slate);
}

/* ---------- 四条入口 ---------- */
.page-contact .ct-routes {
  display: grid;
  border-top: 1px solid var(--ma-stroke);
  border-left: 1px solid var(--ma-stroke);
}

.page-contact .ct-route {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  min-height: 11rem;
  padding: 1.5rem 1.3rem;
  border-right: 1px solid var(--ma-stroke);
  border-bottom: 1px solid var(--ma-stroke);
  background: var(--ma-panel);
  color: var(--ma-slate);
  text-decoration: none;
  transition: background .28s var(--ma-ease), color .28s var(--ma-ease), transform .28s var(--ma-ease);
}

.page-contact .ct-route:hover,
.page-contact .ct-route:focus-visible {
  background: var(--ma-red);
  color: var(--ma-paper);
  transform: translateY(-3px);
}

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

.page-contact .ct-route__no {
  font-family: var(--ma-font-mono);
  font-size: .78rem;
  letter-spacing: .22em;
  color: var(--ma-mint);
}

.page-contact .ct-route__name {
  font-family: var(--ma-font-head);
  font-size: 1.18rem;
  line-height: 1.3;
  color: var(--ma-paper);
}

.page-contact .ct-route__desc {
  font-size: .88rem;
  line-height: 1.72;
}

.page-contact .ct-route:hover .ct-route__desc,
.page-contact .ct-route:focus-visible .ct-route__desc {
  color: rgba(243, 237, 227, .84);
}

.page-contact .ct-route__go {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-family: var(--ma-font-mono);
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--ma-paper);
  border-bottom: 1px solid currentColor;
}

/* ---------- 渠道详情 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 1px;
  border: 1px solid var(--ma-stroke);
  background: var(--ma-stroke);
}

.page-contact .ct-channel {
  padding: 1.7rem 1.4rem 2rem;
  background: var(--ma-panel);
}

.page-contact .ct-channel__eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--ma-font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--ma-mint);
}

.page-contact .ct-channel p {
  margin: 0 0 .9rem;
  font-size: .92rem;
  line-height: 1.82;
}

.page-contact .ct-channel ul {
  margin: 0;
  padding-left: 1.1rem;
  font-size: .88rem;
  line-height: 1.85;
  color: rgba(138, 151, 172, .92);
}

.page-contact .ct-channel li + li {
  margin-top: .25rem;
}

.page-contact .ct-contact-line {
  display: block;
  margin: 0 0 .95rem;
  padding: .72rem .85rem;
  font-family: var(--ma-font-mono);
  font-size: clamp(.92rem, 2.4vw, 1.06rem);
  letter-spacing: .01em;
  color: var(--ma-paper);
  text-decoration: none;
  word-break: break-all;
  background: var(--ma-panel-2);
  border: 1px solid var(--ma-stroke);
  transition: border-color .24s var(--ma-ease), color .24s var(--ma-ease);
}

.page-contact a.ct-contact-line:hover,
.page-contact a.ct-contact-line:focus-visible {
  color: var(--ma-mint);
  border-color: var(--ma-mint);
}

.page-contact a.ct-contact-line:focus-visible {
  outline: 2px solid var(--ma-mint);
  outline-offset: 2px;
}

.page-contact .ma-status {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

.page-contact .ma-status__dot {
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--ma-mint);
  animation: ct-pulse 2.4s ease-in-out infinite;
}

@keyframes ct-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.82); }
}

/* ---------- 办公信息纸面 ---------- */
.page-contact .ct-office-band {
  padding: 3rem 0;
  background: var(--ma-paper);
  color: var(--ma-black);
  border-top: 1px solid var(--ma-line);
  border-bottom: 1px solid var(--ma-line);
}

.page-contact .ct-office-band h2 {
  color: var(--ma-black);
}

.page-contact .ct-office-band .ma-kicker {
  color: var(--ma-red);
}

.page-contact .ct-office {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-office__intro {
  max-width: 40em;
  margin: .9rem 0 1.4rem;
  font-size: .95rem;
  line-height: 1.85;
  color: #3A3630;
}

.page-contact .ct-reg {
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-reg__row {
  display: grid;
  gap: .3rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--ct-hair);
}

.page-contact .ct-reg__key {
  font-family: var(--ma-font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--ct-key);
}

.page-contact .ct-reg__val {
  font-size: .98rem;
  line-height: 1.7;
  color: var(--ma-black);
  word-break: break-word;
}

.page-contact .ct-office__tip {
  margin: 1.4rem 0 0;
  padding-left: .9rem;
  font-size: .88rem;
  line-height: 1.8;
  color: #4A453D;
  border-left: 2px solid var(--ma-red);
}

.page-contact .ct-office__media {
  margin: 0;
}

.page-contact .ct-office__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-office__media .ma-media__caption {
  margin-top: .65rem;
  font-family: var(--ma-font-mono);
  font-size: .74rem;
  line-height: 1.7;
  color: var(--ct-key);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-coop {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-disc-group {
  border-top: 1px solid var(--ma-stroke);
}

.page-contact .ct-disc {
  border-bottom: 1px solid var(--ma-stroke);
  background: transparent;
}

.page-contact .ct-disc summary {
  position: relative;
  padding: 1.15rem 2rem 1.15rem 0;
  font-family: var(--ma-font-head);
  font-size: 1.06rem;
  line-height: 1.5;
  color: var(--ma-paper);
  list-style: none;
  cursor: pointer;
}

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

.page-contact .ct-disc summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--ma-font-mono);
  font-size: 1.1rem;
  color: var(--ma-mint);
}

.page-contact .ct-disc[open] summary::after {
  content: "−";
}

.page-contact .ct-disc summary:focus-visible {
  outline: 2px solid var(--ma-mint);
  outline-offset: 2px;
}

.page-contact .ct-disc .ma-disc__body {
  padding: 0 0 1.5rem;
  border-left: 2px solid var(--ma-mint);
  padding-left: 1.1rem;
}

.page-contact .ct-disc .ma-disc__body p {
  margin: 0 0 1rem;
  max-width: 40em;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--ma-slate);
}

.page-contact .ct-cycle {
  display: grid;
  gap: 0;
  max-width: 40em;
  border-top: 1px solid var(--ma-stroke);
}

.page-contact .ct-cycle__row {
  display: grid;
  gap: .2rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--ma-stroke);
}

.page-contact .ct-cycle__k {
  font-family: var(--ma-font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  color: var(--ma-slate);
}

.page-contact .ct-cycle__v {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ma-paper);
}

/* ---------- 提交前清单 ---------- */
.page-contact .ct-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--ma-stroke);
}

.page-contact .ct-check {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--ma-stroke);
}

.page-contact .ct-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  flex: none;
  display: grid;
  place-content: center;
  width: 1.1rem;
  height: 1.1rem;
  margin: .28rem 0 0;
  background: transparent;
  border: 1px solid var(--ma-slate);
  cursor: pointer;
  transition: border-color .2s var(--ma-ease);
}

.page-contact .ct-check input[type="checkbox"]::after {
  content: "";
  width: .5rem;
  height: .5rem;
  background: var(--ma-mint);
  transform: scale(0);
  transition: transform .18s var(--ma-ease);
}

.page-contact .ct-check input[type="checkbox"]:checked {
  border-color: var(--ma-mint);
}

.page-contact .ct-check input[type="checkbox"]:checked::after {
  transform: scale(1);
}

.page-contact .ct-check input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--ma-mint);
  outline-offset: 2px;
}

.page-contact .ct-check label {
  font-size: .95rem;
  line-height: 1.82;
  color: var(--ma-slate);
  cursor: pointer;
}

.page-contact .ct-check label strong {
  color: var(--ma-paper);
  font-weight: 600;
}

.page-contact .ct-check input[type="checkbox"]:checked + label {
  color: rgba(138, 151, 172, .6);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-tail {
  padding: 3rem 0 3.5rem;
  border-top: 1px solid var(--ma-stroke);
  background:
    linear-gradient(155deg, rgba(74, 15, 28, .85), rgba(10, 10, 12, .96) 62%),
    repeating-linear-gradient(115deg, rgba(158, 27, 47, .16) 0 2px, transparent 2px 14px),
    var(--ma-black);
}

.page-contact .ct-tail__grid {
  display: grid;
  gap: 2rem;
}

.page-contact .ct-tail__lead p:not(.ma-kicker) {
  max-width: 38em;
  margin: .9rem 0 0;
  font-size: .95rem;
  line-height: 1.85;
  color: rgba(243, 237, 227, .76);
}

.page-contact .ct-tail__links {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ma-stroke);
}

.page-contact .ct-tail__links li {
  border-bottom: 1px solid var(--ma-stroke);
}

.page-contact .ct-tail__links a {
  display: block;
  padding: .95rem .2rem .95rem 1.1rem;
  font-family: var(--ma-font-mono);
  font-size: .84rem;
  line-height: 1.65;
  color: var(--ma-paper);
  text-decoration: none;
  transition: color .22s var(--ma-ease), padding-left .22s var(--ma-ease);
}

.page-contact .ct-tail__links a::before {
  content: "";
  display: inline-block;
  width: .45rem;
  height: .45rem;
  margin-right: .6rem;
  background: var(--ma-red);
  vertical-align: middle;
}

.page-contact .ct-tail__links a:hover,
.page-contact .ct-tail__links a:focus-visible {
  color: var(--ma-mint);
  padding-left: 1.4rem;
}

.page-contact .ct-tail__links a:focus-visible {
  outline: 2px solid var(--ma-mint);
  outline-offset: -2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-reg__row,
  .page-contact .ct-cycle__row {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 3rem 0 3.5rem;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
    gap: 3.25rem;
  }

  .page-contact .ct-hero__media {
    transform: rotate(-2deg);
  }

  .page-contact .ct-section {
    padding: 4.25rem 0;
  }

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

  .page-contact .ct-office {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, .78fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact .ct-office-band {
    padding: 4.25rem 0;
  }

  .page-contact .ct-coop {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 3.25rem;
    align-items: start;
  }

  .page-contact .ct-checklist-wrap {
    display: grid;
    grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-contact .ct-checklist-wrap .ma-kicker,
  .page-contact .ct-checklist-wrap h2,
  .page-contact .ct-checklist-wrap .ct-note {
    grid-column: 1;
  }

  .page-contact .ct-checklist {
    grid-column: 2;
    grid-row: 1 / span 3;
  }

  .page-contact .ct-tail__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-routes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-route,
  .page-contact .ct-tail__links a {
    transition: none;
  }

  .page-contact .ct-route:hover,
  .page-contact .ct-route:focus-visible {
    transform: none;
  }

  .page-contact .ma-status__dot {
    animation: none;
  }
}