.page-contact {
  --pc-card: rgba(11, 33, 56, .88);
  --pc-card-line: rgba(27, 60, 94, .9);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: 30px;
  padding-bottom: 52px;
}

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

.page-contact .contact-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(34px, 8vw, 68px);
  line-height: 1.06;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 58ch;
  margin: 18px 0 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-clock {
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius);
  padding: 22px;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(61, 255, 158, .16), transparent 60%),
    linear-gradient(165deg, rgba(11, 33, 56, .95), rgba(5, 16, 31, .95));
  box-shadow: 8px 8px 0 rgba(27, 60, 94, .38);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .contact-clock__label {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-clock__value {
  font-size: clamp(30px, 9vw, 46px);
  font-weight: 700;
  color: var(--green);
  letter-spacing: -.02em;
  line-height: 1.1;
}

.page-contact .contact-clock__meta {
  font-size: 14px;
  color: var(--paper);
  opacity: .82;
}

.page-contact .contact-clock__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .contact-clock__list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.page-contact .contact-clock__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
}

.page-contact .contact-clock__dot--green { background: var(--green); }
.page-contact .contact-clock__dot--violet { background: var(--violet); }

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .72fr);
    gap: 48px;
    align-items: end;
  }
}

/* ---------- 渠道卡片墙 ---------- */
.page-contact .contact-channels {
  position: relative;
  padding-top: 56px;
  padding-bottom: 64px;
  background: var(--ink-800);
  isolation: isolate;
}

.page-contact .contact-channels__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .18;
  filter: saturate(.65) contrast(1.06);
  pointer-events: none;
  z-index: -2;
}

.page-contact .contact-channels::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--ink-900) 0%, rgba(5, 16, 31, .74) 38%, var(--ink-800) 100%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-channels__inner {
  position: relative;
}

.page-contact .channel-wall {
  display: grid;
  gap: 18px;
  margin-top: 34px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius);
  background: var(--pc-card);
  box-shadow: 7px 7px 0 rgba(27, 60, 94, .42);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--green);
  box-shadow: 9px 9px 0 rgba(61, 255, 158, .22);
}

.page-contact .channel-card--mail {
  background:
    linear-gradient(158deg, rgba(61, 255, 158, .15), rgba(11, 33, 56, .95) 48%);
}

.page-contact .channel-card__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.01em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .channel-card__value {
  display: block;
  margin: 10px 0 12px;
  font-weight: 600;
  font-size: clamp(19px, 4.4vw, 30px);
  line-height: 1.28;
  color: var(--green);
  word-break: break-word;
}

.page-contact .channel-card--phone .channel-card__value {
  color: var(--paper);
}

.page-contact .channel-card--addr .contact-address {
  font-size: clamp(17px, 3.6vw, 22px);
  color: var(--green-soft);
}

.page-contact .channel-card__desc {
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
  margin: 0;
}

.page-contact .channel-card__hours {
  align-self: flex-start;
  margin-top: 18px;
  padding: 5px 12px;
  border: 1px dashed var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  transition: color .22s ease, background-color .22s ease, border-color .22s ease, border-style .22s ease;
}

.page-contact .channel-card:hover .channel-card__hours {
  color: var(--on-green);
  background: var(--green);
  border-color: var(--green);
  border-style: solid;
}

@media (min-width: 760px) {
  .page-contact .channel-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .page-contact .channel-card--mail {
    grid-column: span 2;
  }
}

@media (min-width: 1040px) {
  .page-contact .channel-wall {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .channel-card--mail {
    grid-column: 1 / span 7;
    grid-row: 1 / span 2;
  }

  .page-contact .channel-card--phone {
    grid-column: 8 / span 5;
    grid-row: 1;
  }

  .page-contact .channel-card--addr {
    grid-column: 8 / span 5;
    grid-row: 2;
  }
}

/* ---------- 值守时段 ---------- */
.page-contact .contact-window {
  padding-top: 60px;
  padding-bottom: 64px;
}

.page-contact .contact-window__grid {
  display: grid;
  gap: 30px;
}

.page-contact .contact-window__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 5.6vw, 44px);
  line-height: 1.14;
  letter-spacing: -.02em;
  margin: 12px 0 0;
  color: var(--ink-on-paper);
}

.page-contact .contact-window__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-on-paper);
  opacity: .76;
  max-width: 54ch;
}

.page-contact .priority-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: pc-priority;
}

.page-contact .priority-list__item {
  position: relative;
  padding: 18px 20px 18px 22px;
  border: 1px solid #D3DEEC;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
}

.page-contact .priority-list__item--top {
  border-left: 4px solid var(--green);
  box-shadow: 5px 5px 0 rgba(61, 255, 158, .28);
}

.page-contact .priority-list__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: #6E809B;
  margin-bottom: 6px;
}

.page-contact .priority-list__item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--ink-on-paper);
}

.page-contact .priority-list__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: #46586E;
}

@media (min-width: 940px) {
  .page-contact .contact-window__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 54px;
    align-items: start;
  }
}

/* ---------- 三步准备 ---------- */
.page-contact .contact-prepare {
  padding-top: 60px;
  padding-bottom: 56px;
}

.page-contact .prepare-steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .prepare-step details {
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(11, 33, 56, .92), rgba(5, 16, 31, .92));
  overflow: hidden;
  transition: border-color .2s ease;
}

.page-contact .prepare-step details[open] {
  border-color: rgba(61, 255, 158, .55);
}

.page-contact .prepare-step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .prepare-step__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(61, 255, 158, .12);
  color: var(--green);
  font-size: 15px;
}

.page-contact .prepare-step__title {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .prepare-step__arrow {
  flex: none;
  font-size: 20px;
  color: var(--green);
  transition: transform .2s ease;
}

.page-contact .prepare-step details[open] .prepare-step__arrow {
  transform: rotate(90deg);
}

.page-contact .prepare-step__body {
  padding: 0 20px 22px 78px;
}

.page-contact .prepare-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
}

@media (min-width: 860px) {
  .page-contact .prepare-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .prepare-step__body {
    padding-left: 20px;
  }
}

/* ---------- 合作与建议 ---------- */
.page-contact .contact-partner {
  padding-top: 56px;
  padding-bottom: 60px;
}

.page-contact .contact-partner__grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-partner__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.18;
  letter-spacing: -.02em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .contact-partner__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 46ch;
}

.page-contact .contact-partner__lede .mono {
  color: var(--green-soft);
  word-break: break-all;
}

.page-contact .contact-partner__hint {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--paper);
}

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

.page-contact .partner-item {
  padding: 20px;
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius-sm);
  background: var(--pc-card);
}

.page-contact .partner-item h3 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--paper);
}

.page-contact .partner-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .partner-item--subject {
  background: linear-gradient(150deg, rgba(164, 107, 255, .16), rgba(11, 33, 56, .92) 60%);
  border-color: rgba(164, 107, 255, .42);
}

.page-contact .partner-item__subject {
  font-size: 13px;
  color: var(--paper);
  opacity: .9;
  padding: 7px 10px;
  border-radius: 8px;
  background: rgba(5, 16, 31, .62);
  margin-top: 10px;
}

@media (min-width: 940px) {
  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 52px;
    align-items: start;
  }

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

  .page-contact .partner-item--subject {
    grid-column: span 2;
  }
}

/* ---------- 自助指引 ---------- */
.page-contact .contact-selfhelp {
  padding-top: 20px;
  padding-bottom: 64px;
}

.page-contact .selfhelp-card {
  display: grid;
  gap: 26px;
  padding: 30px 24px;
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius);
  background:
    linear-gradient(115deg, rgba(61, 255, 158, .1), rgba(11, 33, 56, .94) 46%),
    var(--ink-800);
  box-shadow: 9px 9px 0 rgba(27, 60, 94, .38);
}

.page-contact .selfhelp-card__text h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -.02em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-contact .selfhelp-card__text p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 52ch;
}

.page-contact .selfhelp-card__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-contact .selfhelp-card__more {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  max-width: none;
}

.page-contact .selfhelp-card__more a {
  color: var(--green-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 880px) {
  .page-contact .selfhelp-card {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: center;
    gap: 44px;
    padding: 40px 38px;
  }
}

/* ---------- 页尾斜切收束 ---------- */
.page-contact .contact-closing {
  position: relative;
  margin-top: 24px;
  padding: 76px 0 82px;
  background: var(--ink-800);
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 100%);
  isolation: isolate;
}

.page-contact .contact-closing__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: saturate(.7);
  pointer-events: none;
  z-index: -2;
}

.page-contact .contact-closing::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(95deg, rgba(5, 16, 31, .95) 12%, rgba(5, 16, 31, .6) 62%, rgba(164, 107, 255, .3) 100%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-closing__inner {
  position: relative;
}

.page-contact .contact-closing__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 6vw, 50px);
  line-height: 1.12;
  letter-spacing: -.02em;
  margin: 12px 0 0;
  color: var(--paper);
}

.page-contact .contact-closing__lede {
  margin: 16px 0 26px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
  opacity: .78;
  max-width: 52ch;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__hours,
  .page-contact .prepare-step__arrow,
  .page-contact .prepare-step details {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}