.page-contact {
  --pc-index-w: 250px;
  --pc-block-gap: clamp(44px, 6vw, 84px);
  padding-top: clamp(88px, 13vh, 136px);
  padding-bottom: clamp(48px, 8vw, 96px);
  background:
    radial-gradient(980px 520px at 88% -8%, rgba(61, 240, 138, .10), transparent 62%),
    radial-gradient(760px 440px at 4% 10%, rgba(255, 138, 61, .085), transparent 62%),
    var(--bg);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact :is(section, article)[id] {
  scroll-margin-top: 118px;
}

.page-contact .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding-bottom: clamp(34px, 6vw, 68px);
}

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

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(36px, 6.4vw, 76px);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -.015em;
  text-wrap: balance;
}

.page-contact .contact-hero__lede {
  margin-top: 20px;
  max-width: 46ch;
  color: var(--ice);
}

.page-contact .hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__figure {
  margin: 0;
  position: relative;
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(155deg, rgba(7, 11, 30, 0) 42%, rgba(7, 11, 30, .72) 100%);
  pointer-events: none;
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 70px);
  }
  .page-contact .contact-hero__figure {
    margin-right: calc(var(--gutter) * -.35);
  }
}

/* ---------- 不对称双栏 ---------- */

.page-contact .contact-layout {
  display: grid;
  gap: clamp(30px, 4vw, 52px);
  padding-top: clamp(26px, 4vw, 48px);
}

@media (min-width: 1040px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--pc-index-w) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .topic-index {
  position: relative;
  padding: 20px 18px 20px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: linear-gradient(90deg, rgba(17, 26, 53, .96), rgba(17, 26, 53, .3));
}

.page-contact .topic-index::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: var(--pill);
  background: linear-gradient(180deg, var(--green), var(--orange));
}

@media (min-width: 1040px) {
  .page-contact .topic-index {
    position: sticky;
    top: 112px;
  }
}

.page-contact .topic-index__title {
  margin: 0;
}

.page-contact .topic-index__list {
  display: grid;
  gap: 2px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .topic-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 8px;
  border-radius: var(--radius-sm);
  color: var(--ice);
  font-size: 15px;
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}

.page-contact .topic-index__link:hover,
.page-contact .topic-index__link:focus-visible {
  color: var(--paper);
  background: rgba(61, 240, 138, .09);
  transform: translateX(4px);
}

.page-contact .topic-index__num {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--green);
}

.page-contact .topic-index__foot {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ice);
}

/* ---------- 区块骨架 ---------- */

.page-contact .cblock {
  margin-bottom: var(--pc-block-gap);
}

.page-contact .cblock:last-child {
  margin-bottom: 0;
}

.page-contact .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .cblock__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--ice);
  line-height: 1.75;
}

/* ---------- 问题类型卡片 ---------- */

.page-contact .topic-cards {
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .topic-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--panel), rgba(30, 42, 94, .5));
  overflow: hidden;
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .topic-card::after {
  content: "";
  position: absolute;
  right: -46px;
  top: -46px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(61, 240, 138, .2), transparent 70%);
  opacity: 0;
  transition: opacity .3s var(--ease);
  pointer-events: none;
}

.page-contact .topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(61, 240, 138, .45);
}

.page-contact .topic-card:hover::after {
  opacity: 1;
}

@media (min-width: 900px) {
  .page-contact .topic-card:nth-child(even) {
    margin-top: 22px;
  }
}

.page-contact .topic-card__num {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--green);
}

.page-contact .topic-card h3 {
  margin: 0 0 10px;
}

.page-contact .topic-card p {
  margin: 0;
  color: var(--ice);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .topic-card .topic-card__need {
  margin-top: 16px;
  padding-top: 13px;
  border-top: 1px dashed var(--line);
  color: var(--paper);
  font-size: 14px;
}

.page-contact .topic-card__key {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 9px;
  border-radius: var(--pill);
  background: rgba(61, 240, 138, .14);
  color: var(--green);
  font-size: 12px;
  letter-spacing: .1em;
}

/* ---------- 直接联系 ---------- */

.page-contact .reach {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .reach__row {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--panel-2) 0%, var(--panel) 62%);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
}

.page-contact .reach__row::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 4px;
  border-radius: var(--pill);
}

.page-contact .reach__row--mail::before {
  background: var(--green);
}

.page-contact .reach__row--phone::before {
  background: var(--orange);
}

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

.page-contact .reach__value {
  margin: 10px 0 0;
  font-size: clamp(17px, 2.9vw, 28px);
  line-height: 1.2;
  letter-spacing: -.01em;
  overflow-wrap: anywhere;
}

.page-contact .reach__value--sm {
  font-size: clamp(26px, 4.4vw, 46px);
}

.page-contact .reach__row--mail .reach__value {
  color: var(--green);
}

.page-contact .reach__row--phone .reach__value {
  color: var(--orange);
}

.page-contact .reach__note {
  margin: 14px 0 0;
  color: var(--ice);
  font-size: 15px;
  line-height: 1.7;
  max-width: 46ch;
}

@media (min-width: 760px) {
  .page-contact .reach {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

/* ---------- 站点所在位置 ---------- */

.page-contact .place {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  padding: clamp(24px, 3.4vw, 42px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(44, 53, 80, .45) 0 1px, transparent 1px 58px),
    linear-gradient(180deg, rgba(17, 26, 53, .92), rgba(7, 11, 30, .55));
}

.page-contact .place__addr {
  margin: 12px 0 0;
  font-family: var(--font-cond);
  font-size: clamp(22px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.01em;
}

.page-contact .place__meta p {
  margin: 0;
  color: var(--ice);
  font-size: 15px;
  line-height: 1.75;
}

@media (min-width: 820px) {
  .page-contact .place {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ---------- 提交清单 ---------- */

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

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 6px;
  border-bottom: 1px solid var(--line);
  transition: background .2s var(--ease);
}

.page-contact .checklist__item:hover {
  background: rgba(61, 240, 138, .045);
}

.page-contact .checklist__idx {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--green);
  padding-top: 4px;
}

.page-contact .checklist__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}

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

/* ---------- 合作与投稿 ---------- */

.page-contact .collab {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 138, 61, .28);
  background:
    radial-gradient(540px 280px at 94% 0%, rgba(255, 138, 61, .16), transparent 72%),
    linear-gradient(150deg, var(--panel-2), var(--panel));
  overflow: hidden;
}

.page-contact .collab__lede {
  margin: 16px 0 0;
  max-width: 66ch;
  color: var(--ice);
  line-height: 1.78;
}

.page-contact .collab__list {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .collab__list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--ice);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .collab__list li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--orange);
}

.page-contact .collab__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .collab__hint {
  margin: 18px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ice);
}

/* ---------- 回复节奏 ---------- */

.page-contact .pace {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
}

.page-contact .pace__copy p {
  margin: 14px 0 0;
  max-width: 54ch;
  color: var(--ice);
  line-height: 1.78;
}

.page-contact .pace__copy p:first-of-type {
  margin-top: 18px;
}

.page-contact .pace__figure {
  margin: 0;
  box-shadow: var(--shadow-panel);
}

@media (min-width: 880px) {
  .page-contact .pace {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .page-contact .pace__figure {
    margin-right: calc(var(--gutter) * -.3);
  }
}

/* ---------- 收束 ---------- */

.page-contact .contact-next {
  margin-top: clamp(56px, 8vw, 104px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-next .h-section {
  max-width: 22ch;
}

.page-contact .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

@media (max-width: 620px) {
  .page-contact .contact-hero__title {
    font-size: clamp(32px, 9vw, 44px);
  }
  .page-contact .reach__value {
    font-size: 16px;
  }
  .page-contact .checklist__item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }
  .page-contact .place__addr {
    font-size: 21px;
  }
  .page-contact .topic-index {
    padding: 16px 14px 16px 18px;
  }
}