.page-contact {
  --pc-gap: clamp(20px, 3vw, 36px);
}

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  left: -18%;
  right: -18%;
  height: 72%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 78% at 80% 0%, rgba(22, 164, 106, .17), transparent 70%),
    radial-gradient(46% 66% at 8% 12%, rgba(255, 90, 44, .11), transparent 72%);
}

.page-contact .hero-intro {
  max-width: 62ch;
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-contact .hero-intro h1 {
  margin: 10px 0 18px;
  font-family: var(--font-head);
  font-size: clamp(32px, 5.6vw, 62px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--cool);
}

/* ---------- 上半屏：联系方式 + 渠道选择器 ---------- */

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(30px, 4.6vw, 54px);
}

@media (min-width: 960px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-contact .reach {
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .reach .section-title {
  margin: 8px 0 16px;
}

.page-contact .reach-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 16px;
  padding: 18px 0;
}

.page-contact .reach-item + .reach-item {
  border-top: 1px solid var(--line-soft);
}

.page-contact .reach-label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .reach-value {
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.1vw, 25px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cool);
  overflow-wrap: anywhere;
}

.page-contact .reach-value::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--flare);
  transform: skewX(-12deg);
}

.page-contact .reach-action {
  grid-column: 2;
  justify-self: end;
}

.page-contact .reach-note {
  grid-column: 1 / -1;
  font-size: 14px;
  line-height: 1.6;
  color: var(--steel);
}

.page-contact .contact-media {
  margin-top: clamp(22px, 3vw, 32px);
  aspect-ratio: 3 / 2;
}

.page-contact .contact-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .channel {
  padding: clamp(22px, 3vw, 32px);
}

.page-contact .channel .section-title {
  margin: 8px 0 10px;
}

.page-contact .channel-hint {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .channel-picker {
  margin-bottom: 16px;
}

.page-contact .channel-panels {
  display: grid;
  gap: 12px;
}

.page-contact .channel-panel {
  padding: 16px 18px;
  background: var(--board);
  border-left: 3px solid var(--pitch);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-contact .channel-panel h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cool);
}

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

.page-contact .channel-panel .channel-panel__need {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-contact .filter-empty {
  margin-top: 14px;
  font-size: 14.5px;
  color: var(--steel);
}

/* ---------- 处理时效 ---------- */

.page-contact .sla-list {
  list-style: none;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-soft);
}

.page-contact .sla-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .sla-item__time {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .sla-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--cool);
}

.page-contact .sla-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--steel);
}

@media (min-width: 820px) {
  .page-contact .sla-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--line-soft);
  }

  .page-contact .sla-item {
    padding: 28px clamp(16px, 2.2vw, 30px);
    border-bottom: 0;
  }

  .page-contact .sla-item:first-child {
    padding-left: 0;
  }

  .page-contact .sla-item + .sla-item {
    border-left: 1px solid var(--line-soft);
  }
}

/* ---------- 合作与素材授权 ---------- */

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

@media (min-width: 920px) {
  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-contact .coop-copy .section-title {
  margin: 8px 0 16px;
}

.page-contact .coop-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cool);
}

.page-contact .coop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .coop-ask {
  padding: clamp(22px, 3vw, 30px);
}

.page-contact .coop-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .coop-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .coop-list__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pitch);
}

.page-contact .coop-list__v {
  font-size: 15px;
  line-height: 1.72;
  color: var(--cool);
}

/* ---------- 地址与到访 ---------- */

.page-contact .addr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  margin-top: clamp(26px, 3.6vw, 42px);
}

@media (min-width: 860px) {
  .page-contact .addr-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: stretch;
  }
}

.page-contact .addr-map {
  position: relative;
  min-height: 240px;
  aspect-ratio: 16 / 10;
  background-color: var(--board);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 44px 44px, 44px 44px;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}

.page-contact .addr-map::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(112deg, transparent 37.6%, rgba(233, 239, 245, .11) 37.8% 39.8%, transparent 40%),
    linear-gradient(64deg, transparent 61.8%, rgba(22, 164, 106, .22) 62% 63.2%, transparent 63.4%),
    linear-gradient(20deg, transparent 78%, rgba(255, 176, 32, .14) 78.2% 79.4%, transparent 79.6%);
}

.page-contact .addr-pin {
  position: absolute;
  left: 56%;
  top: 42%;
  display: flex;
  align-items: center;
  gap: 10px;
  outline: none;
  cursor: default;
}

.page-contact .addr-pin__dot {
  flex: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--flare);
  box-shadow: 0 0 0 6px rgba(255, 90, 44, .18);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}

.page-contact .addr-pin__text {
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--cool);
  background: rgba(5, 14, 25, .86);
  border-left: 2px solid var(--pitch);
  white-space: nowrap;
  opacity: .55;
  transform: translateX(-6px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}

.page-contact .addr-pin:hover .addr-pin__dot,
.page-contact .addr-pin:focus-visible .addr-pin__dot {
  box-shadow: 0 0 0 10px rgba(255, 90, 44, .26);
  transform: scale(1.08);
}

.page-contact .addr-pin:hover .addr-pin__text,
.page-contact .addr-pin:focus-visible .addr-pin__text {
  opacity: 1;
  transform: translateX(0);
}

.page-contact .addr-side {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--board);
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .addr-line {
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--cool);
}

.page-contact .addr-action {
  justify-self: start;
}

.page-contact .addr-note {
  font-size: 14px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .addr-photo {
  margin-top: clamp(26px, 3.6vw, 44px);
  aspect-ratio: 16 / 9;
}

.page-contact .addr-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 继续了解 ---------- */

.page-contact .more-links {
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .more-links__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 780px) {
  .page-contact .more-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }
}

.page-contact .more-links__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.6;
  color: var(--cool);
  text-decoration: none;
  transition: color .25s var(--ease), padding-left .25s var(--ease);
}

.page-contact .more-links__list a::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--pitch);
  transform: skewX(-12deg);
}

.page-contact .more-links__list a:hover,
.page-contact .more-links__list a:focus-visible {
  color: var(--amber);
  padding-left: 6px;
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 719px) {
  .page-contact .reach-item {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .reach-action {
    grid-column: 1;
    justify-self: start;
    margin-top: 4px;
  }

  .page-contact .addr-map {
    aspect-ratio: 4 / 3;
  }

  .page-contact .addr-pin {
    left: 42%;
    top: 40%;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-contact .addr-pin__text {
    font-size: 11.5px;
    white-space: normal;
    max-width: 62vw;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .addr-pin__dot,
  .page-contact .addr-pin__text,
  .page-contact .more-links__list a {
    transition: none;
  }
}