.page-contact {
  --ct-block: clamp(34px, 5.6vw, 78px);
  position: relative;
  padding-bottom: clamp(24px, 3.6vw, 48px);
}

.page-contact .ct-crumb {
  padding-top: clamp(14px, 2.2vw, 26px);
}

/* ---------- hero ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(22px, 3.4vw, 44px) 0 clamp(34px, 5vw, 64px);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -12% -10% 0;
  background:
    radial-gradient(46% 58% at 78% 34%, rgba(91, 240, 140, 0.13), transparent 70%),
    radial-gradient(40% 52% at 6% 4%, rgba(255, 138, 60, 0.07), transparent 72%);
  pointer-events: none;
}

.page-contact .ct-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .ct-hero__copy {
  min-width: 0;
}

.page-contact .ct-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 58px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 16ch;
}

.page-contact .ct-hero__lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .ct-hero__status {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
}

.page-contact .ct-hero__status li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.page-contact .ct-hero__visual {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-contact .ct-hero__visual .media-frame {
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
}

.page-contact .ct-hero__visual::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 96px;
  height: 3px;
  background: linear-gradient(90deg, var(--radar), rgba(91, 240, 140, 0));
}

/* 状态点 */
.page-contact .ct-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--radar);
  box-shadow: 0 0 0 4px rgba(91, 240, 140, 0.14);
}

.page-contact .ct-dot--signal {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 138, 60, 0.14);
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact .ct-dot {
    animation: ct-blink 3.4s var(--ease) infinite;
  }
}

@keyframes ct-blink {
  0%, 70%, 100% { opacity: 1; }
  82% { opacity: 0.35; }
}

/* ---------- 通道 + 准备清单 ---------- */
.page-contact .ct-desk {
  padding: var(--ct-block) 0 clamp(24px, 3.4vw, 48px);
}

.page-contact .ct-desk__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 40px);
}

.page-contact .ct-desk__main,
.page-contact .ct-desk__aside,
.page-contact .ct-submit__panel,
.page-contact .ct-submit__visual {
  min-width: 0;
}

.page-contact .ct-channel-list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-channel {
  position: relative;
  padding: 18px 20px 18px 24px;
  background: var(--panel);
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: var(--radar);
}

.page-contact .ct-channel:nth-child(2)::before {
  background: var(--signal);
}

.page-contact .ct-channel:hover {
  border-color: var(--radar-deep);
  transform: translateY(-2px);
}

.page-contact .ct-channel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .ct-channel__value {
  margin: 10px 0 0;
  font-size: clamp(16px, 2.3vw, 21px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--addr {
  font-family: var(--font-body);
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.55;
}

.page-contact .ct-channel__fits {
  margin: 11px 0 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--steel);
}

.page-contact .ct-channel__note {
  display: inline-block;
  margin: 11px 0 0;
  padding: 4px 11px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--radar);
  background: rgba(31, 122, 74, 0.16);
  border-radius: 999px;
}

.page-contact .ct-desk__aside {
  padding: 22px;
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(26, 36, 43, 0.78), rgba(15, 21, 24, 0.92));
}

.page-contact .ct-aside-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 23px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-prep {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-prep li {
  padding-top: 14px;
  border-top: 1px dashed var(--grid);
}

.page-contact .ct-prep li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-prep__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--radar);
}

.page-contact .ct-prep__v {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel);
}

/* 刻度分隔 */
.page-contact .ct-rule {
  padding: clamp(8px, 1.6vw, 18px) 0;
}

/* ---------- 问题分类 ---------- */
.page-contact .ct-route {
  padding: clamp(20px, 3vw, 40px) 0 var(--ct-block);
}

.page-contact .ct-route__list {
  list-style: none;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-contact .ct-route__row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
  transition: background 0.22s var(--ease);
}

.page-contact .ct-route__row:hover {
  background: rgba(26, 36, 43, 0.42);
}

.page-contact .ct-route__idx {
  grid-column: 1;
  margin: 0;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  opacity: 0.7;
}

.page-contact .ct-route__type {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .ct-route__desc {
  grid-column: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.64;
  color: var(--steel);
}

.page-contact .ct-route__desc a,
.page-contact .ct-timing__lead a,
.page-contact .ct-legal__foot a {
  color: var(--radar);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 240, 140, 0.35);
}

.page-contact .ct-route__desc a:hover,
.page-contact .ct-timing__lead a:hover,
.page-contact .ct-legal__foot a:hover {
  border-bottom-color: var(--radar);
}

.page-contact .ct-route__to {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--signal);
}

/* ---------- 回复时效 ---------- */
.page-contact .ct-timing {
  padding: 0 0 var(--ct-block);
}

.page-contact .ct-timing__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-contact .ct-timing__lead h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-timing__lead p:not(.label) {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--steel);
}

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

.page-contact .ct-timing__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-timing__item h3 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .ct-timing__item p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--steel);
}

/* ---------- 合作 ---------- */
.page-contact .ct-partner {
  padding: clamp(20px, 3vw, 40px) 0 var(--ct-block);
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
}

.page-contact .ct-partner__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-partner__copy p:not(.label) {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--steel);
}

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

.page-contact .ct-partner__list li {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 16px 0;
  border-bottom: 1px solid var(--grid);
}

.page-contact .ct-partner__list li .mono {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-contact .ct-partner__list li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--steel);
}

/* ---------- 提交玻璃层 ---------- */
.page-contact .ct-submit {
  padding: 0 0 var(--ct-block);
}

.page-contact .ct-submit__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .ct-submit__panel {
  position: relative;
  padding: clamp(22px, 3.2vw, 34px);
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
  overflow: hidden;
  background: linear-gradient(165deg, rgba(26, 36, 43, 0.82), rgba(15, 21, 24, 0.93));
}

.page-contact .ct-submit__panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--radar), rgba(91, 240, 140, 0) 64%);
}

.page-contact .ct-submit__panel h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-submit__note {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--steel);
}

.page-contact .ct-checks {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checks label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  cursor: pointer;
  border: 1px solid var(--grid);
  border-radius: var(--r-sm);
  background: rgba(6, 9, 11, 0.42);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .ct-checks label:hover {
  border-color: var(--radar-deep);
}

.page-contact .ct-checks input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  cursor: pointer;
  border: 1px solid var(--grid);
  border-radius: 3px;
  background: var(--ink);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .ct-checks input:checked {
  background: var(--radar);
  border-color: var(--radar);
}

.page-contact .ct-checks input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .ct-checks input:focus-visible {
  outline: 2px solid var(--radar);
  outline-offset: 2px;
}

.page-contact .ct-checks span {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--steel);
}

.page-contact .ct-checks input:checked + span {
  color: var(--paper);
}

.page-contact .ct-submit__rows {
  display: grid;
  gap: 14px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--grid);
}

.page-contact .ct-submit__item p.mono {
  margin: 8px 0 0;
  font-size: clamp(14px, 1.9vw, 17px);
  color: var(--paper);
  overflow-wrap: anywhere;
}

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

.page-contact .ct-submit__visual .media-frame {
  border: 1px solid var(--grid);
  border-radius: var(--r-md);
}

/* ---------- 备案与地址 ---------- */
.page-contact .ct-legal {
  padding: clamp(20px, 3vw, 40px) 0 0;
}

.page-contact .ct-legal__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-contact .ct-legal__list {
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--grid);
  display: grid;
  gap: 16px;
}

.page-contact .ct-legal__cell dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--steel);
  opacity: 0.78;
}

.page-contact .ct-legal__cell dd {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .ct-legal__cell dd.mono {
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-contact .ct-legal__foot {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .ct-submit__rows {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 780px) {
  .page-contact .ct-legal__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-route__row {
    grid-template-columns: 56px minmax(150px, 0.55fr) minmax(0, 1.7fr) 130px;
    gap: 0 24px;
    align-items: baseline;
    padding: 20px 0;
  }

  .page-contact .ct-route__type {
    grid-column: 2;
  }

  .page-contact .ct-route__desc {
    grid-column: 3;
    margin: 0;
  }

  .page-contact .ct-route__to {
    grid-column: 4;
    margin: 0;
    text-align: right;
  }

  .page-contact .ct-partner__list li:nth-child(2) {
    padding-left: 16px;
  }

  .page-contact .ct-partner__list li:nth-child(3) {
    padding-left: 8px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
    align-items: center;
  }

  .page-contact .ct-timing__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-partner__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .ct-submit__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: var(--row);
    align-items: stretch;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-desk__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--row);
    align-items: start;
  }

  .page-contact .ct-desk__main {
    grid-column: 1 / span 7;
  }

  .page-contact .ct-desk__aside {
    grid-column: 9 / span 4;
  }
}