.page-contact {
  --contact-hair: rgba(244, 237, 224, 0.16);
  --contact-hair-ink: rgba(26, 21, 18, 0.16);
  display: flex;
  flex-direction: column;
  gap: var(--panel-gap);
}

.page-contact > .breadcrumb {
  margin-bottom: 18px;
}

/* ============ 首屏：深色联络画板 ============ */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(26px, 5vw, 56px);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.2;
  filter: saturate(0.6);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(11, 31, 58, 0.86) 0%, rgba(11, 31, 58, 0.72) 46%, rgba(11, 31, 58, 0.95) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(26px, 4.4vw, 48px);
}

.page-contact .contact-hero__head {
  max-width: 62ch;
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 6vw, 46px);
  line-height: 1.16;
  letter-spacing: 0.045em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.76);
}

/* 三条通道纵向清单 */
.page-contact .channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .channel {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--contact-hair);
}

.page-contact .channel:last-child {
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .channel__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 237, 224, 0.58);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.page-contact .channel__value--mail {
  font-size: clamp(17px, 4.2vw, 30px);
}

.page-contact .channel__value--tel {
  font-size: clamp(30px, 8vw, 54px);
  letter-spacing: 0.03em;
}

.page-contact .channel__value--addr {
  font-family: var(--font-head);
  font-size: clamp(17px, 4.2vw, 26px);
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.page-contact .channel__note {
  margin: 0;
  max-width: 56ch;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.62);
}

.page-contact .channel__copy {
  justify-self: start;
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 0 16px;
}

@media (min-width: 760px) {
  .page-contact .channel {
    grid-template-columns: minmax(110px, 150px) minmax(0, 1fr) auto;
    align-items: center;
    column-gap: 26px;
    row-gap: 8px;
    padding: 26px 0;
  }

  .page-contact .channel__key {
    align-self: start;
    padding-top: 6px;
  }

  .page-contact .channel__note {
    grid-column: 2 / -1;
  }

  .page-contact .channel__copy {
    grid-column: 3;
    grid-row: 1;
  }
}

/* ============ 响应时段画板 ============ */
.page-contact .contact-hours {
  padding: clamp(26px, 5vw, 52px);
}

.page-contact .hours {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-contact .hours__clock {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-contact .hours__range {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(38px, 9vw, 76px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-contact .hours__zone {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink);
  opacity: 0.72;
}

.page-contact .hours__aside {
  margin: 10px 0 0;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .hours__title {
  margin: 0 0 12px;
}

.page-contact .hours__text {
  margin: 0 0 26px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* 四步流程细线路径 */
.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  column-gap: 16px;
  padding-bottom: 26px;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 40px;
  bottom: 2px;
  width: 1px;
  background: var(--contact-hair-ink);
}

.page-contact .flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .flow__step:last-child::before {
  display: none;
}

.page-contact .flow__no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--contact-hair-ink);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  background: var(--cream-2);
}

.page-contact .flow__body {
  padding-top: 6px;
}

.page-contact .flow__name {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-contact .flow__desc {
  margin: 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

@media (min-width: 900px) {
  .page-contact .hours {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    column-gap: clamp(36px, 5vw, 72px);
  }
}

/* ============ 复核申请画板 ============ */
.page-contact .contact-review {
  padding: clamp(26px, 5vw, 52px);
}

.page-contact .contact-review__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .review__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .review__col {
  display: grid;
  gap: 24px;
  align-content: start;
  min-width: 0;
}

/* 邮件模板块 */
.page-contact .mailtpl {
  border: 1px solid rgba(0, 224, 138, 0.28);
  border-radius: var(--radius);
  padding: 4px 18px;
  background: rgba(11, 31, 58, 0.6);
}

.page-contact .mailtpl__row {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .mailtpl__row:last-child {
  border-bottom: 0;
}

.page-contact .mailtpl__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(244, 237, 224, 0.55);
}

.page-contact .mailtpl__v {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .mailtpl__mark {
  background: var(--signal);
  color: var(--navy);
  padding: 1px 6px;
  border-radius: 2px;
  font-weight: 600;
}

/* 场景选择器 */
.page-contact .scenarios {
  display: grid;
  gap: 12px;
}

.page-contact .scenarios__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .scenarios__btn {
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(244, 237, 224, 0.32);
  border-radius: 999px;
  background: transparent;
  color: rgba(244, 237, 224, 0.82);
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background-color 160ms ease;
}

.page-contact .scenarios__btn:hover,
.page-contact .scenarios__btn:focus-visible {
  border-color: var(--signal);
  color: var(--white);
}

.page-contact .scenarios__btn.is-on {
  border-color: var(--referee);
  background: var(--referee);
  color: var(--navy);
  font-weight: 600;
}

.page-contact .scenarios__out {
  margin: 0;
  padding: 16px 18px;
  border-left: 2px solid var(--signal);
  background: rgba(0, 224, 138, 0.07);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.86);
}

/* 折叠说明 */
.page-contact .fold {
  border-top: 1px solid var(--contact-hair);
}

.page-contact .fold:last-of-type {
  border-bottom: 1px solid var(--contact-hair);
}

.page-contact .fold__summary {
  padding: 16px 0;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.page-contact .fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--referee);
}

.page-contact .fold[open] .fold__summary::before {
  content: "−";
}

.page-contact .fold__body {
  padding: 0 0 18px 28px;
}

.page-contact .fold__body p {
  margin: 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.68);
}

.page-contact .review__figure {
  margin: 0;
}

@media (min-width: 940px) {
  .page-contact .review__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

/* ============ 协作与引用画板 ============ */
.page-contact .contact-coop {
  padding: clamp(26px, 5vw, 52px);
}

.page-contact .contact-coop__head {
  max-width: 58ch;
  margin-bottom: clamp(22px, 3.6vw, 36px);
}

.page-contact .coop__grid {
  display: grid;
  gap: 28px;
}

.page-contact .coop__item {
  display: grid;
  gap: 10px;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
  align-content: start;
}

.page-contact .coop__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--molten);
}

.page-contact .coop__name {
  margin: 0;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-contact .coop__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .coop__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-contact .coop__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 1px;
  background: var(--slate);
}

.page-contact .coop__foot {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--contact-hair-ink);
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .coop__link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--molten);
  padding-bottom: 1px;
}

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

@media (min-width: 780px) {
  .page-contact .coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(24px, 3.4vw, 40px);
  }
}

/* ============ 通信说明画板 ============ */
.page-contact .contact-visit {
  padding: clamp(26px, 5vw, 52px);
}

.page-contact .visit {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-contact .visit__title {
  margin: 8px 0 0;
}

.page-contact .visit__desc {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.76);
}

.page-contact .visit__links {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 237, 224, 0.6);
}

.page-contact .visit__link {
  color: var(--referee);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 212, 0, 0.4);
}

.page-contact .visit__link:hover,
.page-contact .visit__link:focus-visible {
  border-bottom-color: var(--referee);
}

.page-contact .visit__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 22px;
  background: var(--navy-2);
  border-radius: var(--radius);
  border-left: 3px solid var(--referee);
}

.page-contact .visit__card-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: rgba(244, 237, 224, 0.55);
}

.page-contact .visit__card-value {
  margin: 0;
  font-size: clamp(16px, 3.4vw, 20px);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-contact .visit__card-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.6);
}

.page-contact .visit__card-meta {
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--contact-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(244, 237, 224, 0.7);
}

@media (min-width: 880px) {
  .page-contact .visit {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
    column-gap: clamp(36px, 5vw, 68px);
  }
}

/* 图片响应式兜底 */
.page-contact .figure__img {
  max-width: 100%;
  height: auto;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scenarios__btn {
    transition: none;
  }
}
</main>