/* ===== 咨询通道 · page-contact ===== */

.page-contact {
  --pc-panel-pad: clamp(26px, 5vw, 64px);
  --pc-card-pad: clamp(16px, 2.2vw, 22px);
  --pc-rule-red: rgba(255, 255, 255, .13);
  --pc-rule-blue: rgba(27, 77, 228, .26);
  --pc-edge: max(var(--pad-gutter), calc((100vw - var(--w-max)) / 2));
  --pc-panel-gap: clamp(32px, 4vw, 64px);

  overflow-x: clip;
  background: var(--bg);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero__top {
  padding-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(14px, 2vw, 22px);
}

.page-contact .contact-hero__red {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--pc-panel-pad) var(--pad-gutter) calc(var(--pc-panel-pad) + 8px);
  color: #fff;
  background: linear-gradient(152deg, var(--red) 0%, var(--red-dark) 56%, var(--red-deep) 100%);
}

.page-contact .contact-hero__red::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--pc-rule-red) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-rule-red) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  pointer-events: none;
}

.page-contact .contact-hero__blue {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--pc-panel-pad) var(--pad-gutter) calc(var(--pc-panel-pad) + 8px);
  color: var(--on-dark);
  background: linear-gradient(198deg, var(--ink) 0%, #101d42 48%, var(--blue-deep) 100%);
}

.page-contact .contact-hero__blue::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -14%;
  right: -20%;
  width: 64%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(182, 240, 58, .16), transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero__blue::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--pc-rule-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-rule-blue) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  pointer-events: none;
}

.page-contact .contact-hero__red > .eyebrow {
  color: rgba(255, 255, 255, .8);
  letter-spacing: .16em;
}

.page-contact .contact-hero__blue > .eyebrow {
  color: var(--lime);
  letter-spacing: .16em;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: #fff;
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: rgba(255, 255, 255, .93);
}

.page-contact .contact-hero__shot {
  margin: clamp(22px, 3vw, 32px) 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: var(--radius);
  box-shadow: var(--sh-pod);
  background: rgba(122, 14, 22, .5);
}

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

/* ---------- 联系方式卡 ---------- */

.page-contact .c-list {
  list-style: none;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .c-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, .6);
  border-radius: var(--radius);
  padding: var(--pc-card-pad);
  color: var(--text);
  box-shadow: var(--sh-card);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .c-card:hover {
  transform: translateY(-2px);
  border-color: var(--red);
  box-shadow: var(--sh-pod-sm);
}

.page-contact .c-card--blue:hover {
  border-color: var(--blue);
}

.page-contact .c-card__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--red-dark);
}

.page-contact .c-card__label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.page-contact .c-card--blue .c-card__label {
  color: var(--blue);
}

.page-contact .c-card--blue .c-card__label::before {
  background: var(--blue);
}

.page-contact .c-card__value {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
  word-break: break-word;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .c-card__value:hover,
.page-contact .c-card__value:focus-visible {
  color: var(--red-dark);
  border-color: var(--red);
}

.page-contact .c-card--blue .c-card__value:hover,
.page-contact .c-card--blue .c-card__value:focus-visible {
  color: var(--blue);
  border-color: var(--blue);
}

.page-contact .c-card__value--plain {
  border-bottom-color: transparent;
  font-family: var(--font-body);
  font-weight: 500;
}

.page-contact .c-card__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-soft);
}

@media (min-width: 620px) {
  .page-contact .c-card--offset-1 {
    margin-left: 18px;
  }
  .page-contact .c-card--offset-2 {
    margin-left: 36px;
  }
}

@media (min-width: 1000px) {
  .page-contact .c-card--offset-1 {
    margin-left: 30px;
  }
  .page-contact .c-card--offset-2 {
    margin-left: 60px;
  }
}

/* ---------- 流程节点 ---------- */

.page-contact .flow {
  list-style: none;
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding: 0;
}

.page-contact .flow__node {
  position: relative;
  padding: 18px 0 18px 56px;
  border-top: 1px dashed rgba(201, 207, 216, .26);
  transition: background .2s var(--ease);
}

.page-contact .flow__node:first-child {
  border-top: 0;
  padding-top: 10px;
}

.page-contact .flow__node:hover {
  background: linear-gradient(90deg, rgba(27, 77, 228, .22), transparent 72%);
}

.page-contact .flow__no {
  position: absolute;
  left: 0;
  top: 18px;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(201, 207, 216, .34);
  border-radius: 50%;
  background: rgba(11, 42, 107, .55);
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--on-dark);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .flow__node:first-child .flow__no {
  top: 10px;
}

.page-contact .flow__node:hover .flow__no {
  border-color: var(--lime);
  color: var(--lime);
}

.page-contact .flow__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: #fff;
}

.page-contact .flow__text {
  margin: 7px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--on-dark-mute);
}

.page-contact .flow__hint {
  margin: 9px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(182, 240, 58, .58);
  transition: color .2s var(--ease);
}

.page-contact .flow__node:hover .flow__hint {
  color: var(--lime);
}

.page-contact .flow__figure {
  margin: clamp(22px, 2.8vw, 32px) 0 0;
  overflow: hidden;
  border: 1px solid rgba(201, 207, 216, .2);
  border-radius: var(--radius);
  background: rgba(13, 17, 23, .55);
}

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

/* ---------- 来信准备 ---------- */

.page-contact .section-head__note {
  margin: 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-mute);
}

.page-contact .contact-send__grid {
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .send-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .send-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 5px 16px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--surface);
  transition: background .18s var(--ease);
}

.page-contact .send-list__item:hover {
  background: #fbfcfe;
}

.page-contact .send-list__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .1em;
  color: var(--red);
}

.page-contact .send-list__item h3 {
  grid-column: 2;
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-contact .send-list__item p {
  grid-column: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-soft);
}

@media (min-width: 880px) {
  .page-contact .send-list {
    grid-template-columns: 1fr 1fr;
  }
}

.page-contact .send-aside {
  margin-top: clamp(20px, 2.6vw, 30px);
  padding: clamp(20px, 2.6vw, 26px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius);
  box-shadow: var(--sh-card);
}

.page-contact .send-aside__text {
  margin: 12px 0 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .send-aside__fine {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- 合作与授权 ---------- */

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--sh-card);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  border-color: var(--red);
  box-shadow: var(--sh-pod-sm);
}

.page-contact .coop-card--blue:hover {
  border-color: var(--blue);
}

.page-contact .coop-card--deep:hover {
  border-color: var(--blue-deep);
}

.page-contact .coop-card__bar {
  display: block;
  width: 46px;
  height: 3px;
  margin-bottom: 18px;
  border-radius: 2px;
  background: var(--red);
}

.page-contact .coop-card--blue .coop-card__bar {
  background: var(--blue);
}

.page-contact .coop-card--deep .coop-card__bar {
  background: var(--blue-deep);
}

.page-contact .coop-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .coop-card__lede {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .coop-card__meta {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-mute);
}

.page-contact .coop-card__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .coop-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-soft);
}

.page-contact .coop-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--line);
}

@media (min-width: 780px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .coop-card:nth-child(2) {
    margin-top: 26px;
  }
  .page-contact .coop-card:nth-child(3) {
    margin-top: 52px;
  }
}

/* ---------- 回复节奏 ---------- */

.page-contact .respond-deck {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4vw, 56px);
  border-radius: var(--radius-lg);
  color: var(--on-dark);
  background: linear-gradient(135deg, var(--ink) 0%, #101a33 52%, var(--blue-deep) 100%);
  box-shadow: var(--sh-pod);
}

.page-contact .respond-deck::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(201, 207, 216, .09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 207, 216, .09) 1px, transparent 1px);
  background-size: var(--grid) var(--grid);
  pointer-events: none;
}

.page-contact .respond-deck > .eyebrow {
  color: var(--on-dark-mute);
  letter-spacing: .16em;
}

.page-contact .respond-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  margin-top: 16px;
}

.page-contact .respond-grid__main h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(23px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.02em;
  color: #fff;
}

.page-contact .respond-grid__main p {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark-mute);
}

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

.page-contact .respond-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  align-self: start;
  background: rgba(201, 207, 216, .16);
  border: 1px solid rgba(201, 207, 216, .16);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .respond-facts li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  background: rgba(13, 17, 23, .74);
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-dark-mute);
}

.page-contact .respond-facts .num {
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 500;
  color: var(--lime);
}

@media (min-width: 880px) {
  .page-contact .respond-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
  }
}

/* ---------- 页面收尾 ---------- */

.page-contact .contact-next__row {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(18px, 2.4vw, 24px) 0 clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-next__text {
  margin: 0;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

@media (min-width: 780px) {
  .page-contact .contact-next__row {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
}

/* ---------- 桌面分屏 ---------- */

@media (min-width: 1000px) {
  .page-contact .contact-hero__split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: stretch;
  }

  .page-contact .contact-hero__red {
    padding-left: var(--pc-edge);
    padding-right: clamp(32px, 4vw, 64px);
  }

  .page-contact .contact-hero__blue {
    padding-right: var(--pc-edge);
    padding-left: clamp(32px, 4vw, 64px);
  }

  .page-contact .contact-hero__shot {
    margin-right: clamp(0px, 2vw, 32px);
  }

  .page-contact .c-list {
    margin-right: clamp(0px, 2vw, 24px);
  }
}

/* ---------- 降级动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-card,
  .page-contact .coop-card,
  .page-contact .c-card__value,
  .page-contact .flow__no,
  .page-contact .flow__hint,
  .page-contact .flow__node,
  .page-contact .send-list__item {
    transition: none;
  }
  .page-contact .c-card:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}