.page-contact {
  background:
    radial-gradient(140% 90% at 92% -10%, rgba(52, 245, 208, .12), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(14, 58, 51, .5), transparent 62%),
    var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .section {
  padding: clamp(44px, 6vw, 92px) 0;
}

.page-contact .lede {
  max-width: 58ch;
  color: var(--muted);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */

.page-contact .c-hero {
  padding-top: clamp(18px, 3vw, 38px);
  padding-bottom: clamp(30px, 4.5vw, 64px);
}

.page-contact .c-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 34px);
}

@media (min-width: 980px) {
  .page-contact .c-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-contact .c-hero__title {
  font-size: clamp(34px, 5.6vw, 74px);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  color: var(--paper);
}

.page-contact .c-channel {
  margin-top: clamp(26px, 3.6vw, 46px);
}

.page-contact .c-channel__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px clamp(14px, 2vw, 26px);
  padding: clamp(14px, 1.8vw, 20px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .c-channel__row:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .c-channel__key {
  flex: 0 0 auto;
  min-width: 70px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .c-channel__val {
  font-family: var(--mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  line-height: 1.12;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .c-channel__val--mail {
  font-size: clamp(17px, 2.5vw, 34px);
}

.page-contact .c-channel__val--tel {
  font-size: clamp(30px, 4.4vw, 54px);
}

.page-contact .c-channel__note {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .c-hero__media {
  margin: 0;
  aspect-ratio: 4 / 3;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  box-shadow: 0 40px 90px -50px rgba(52, 245, 208, .55);
}

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

.page-contact .c-hero__media .media__caption {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 反馈类型 ---------- */

.page-contact .c-block__head .lede {
  margin-top: 12px;
}

.page-contact .c-kinds__switch {
  margin: clamp(22px, 3vw, 34px) 0 clamp(20px, 2.6vw, 30px);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .c-kinds__switch .filter-btn {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--t), border-color var(--t), color var(--t);
}

.page-contact .c-kinds__switch .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .c-kinds__switch .filter-btn[aria-pressed="true"],
.page-contact .c-kinds__switch .filter-btn.is-active {
  background: var(--coral);
  border-color: var(--coral);
  color: var(--ink-900);
  font-weight: 600;
}

.page-contact .c-kind-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

@media (min-width: 980px) {
  .page-contact .c-kind-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .c-kind {
  padding: clamp(22px, 2.8vw, 32px) clamp(20px, 2.4vw, 28px);
  border-radius: var(--r-lg);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(160deg, var(--ink-800), rgba(6, 26, 46, .85));
  transition: transform var(--t), border-color var(--t);
}

.page-contact .c-kind:hover {
  transform: translateY(-3px);
  border-left-color: var(--cyan-deep);
}

.page-contact .c-kind__title {
  margin: 12px 0 10px;
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .c-kind__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .c-kind__fields {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line-soft);
  display: grid;
  gap: 12px;
}

.page-contact .c-kind__fields > div {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-contact .c-kind__fields dt {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .c-kind__fields dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 商务合作 ---------- */

.page-contact .c-partner {
  padding: clamp(44px, 6vw, 92px) 0;
}

.page-contact .c-partner__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 48px);
  padding: clamp(26px, 4vw, 56px);
  border-radius: 44px 44px 44px 10px;
  background: linear-gradient(150deg, rgba(14, 58, 51, .92), rgba(6, 26, 46, .58));
  border: 1px solid rgba(52, 245, 208, .16);
}

@media (min-width: 980px) {
  .page-contact .c-partner__panel {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: center;
  }
}

.page-contact .c-partner__body .lede,
.page-contact .c-partner__text {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: clamp(14.5px, 1.35vw, 16.5px);
  line-height: 1.8;
  color: var(--paper);
}

.page-contact .c-partner__flag {
  margin: 20px 0 0;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 106, 69, .1);
}

.page-contact .c-partner__list {
  list-style: none;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .c-partner__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .c-partner__item:last-child {
  border-bottom: none;
}

.page-contact .c-partner__idx {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .c-partner__item .c-partner__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .c-partner__note {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 60ch;
}

.page-contact .c-partner__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(52, 245, 208, .2);
}

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

.page-contact .c-partner__media .media__caption {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 联系地址 ---------- */

.page-contact .c-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-contact .c-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

.page-contact .c-visit__intro .lede {
  margin-top: 14px;
}

.page-contact .c-visit__tip {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .c-visit__card {
  padding: clamp(22px, 2.8vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(13, 40, 67, .55);
}

.page-contact .c-visit__addr {
  margin: 12px 0 18px;
  font-family: var(--mono);
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 700;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .c-visit__meta {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.95;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 处理节奏 ---------- */

.page-contact .c-flow__list {
  list-style: none;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
}

.page-contact .c-flow__step {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-top: 1px solid var(--line-soft);
}

@media (min-width: 780px) {
  .page-contact .c-flow__step {
    grid-template-columns: 76px 240px minmax(0, 1fr);
    gap: clamp(18px, 2.6vw, 40px);
    align-items: baseline;
  }
}

.page-contact .c-flow__step:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .c-flow__num {
  font-family: var(--mono);
  font-size: clamp(26px, 3.2vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(52, 245, 208, .38);
}

.page-contact .c-flow__title {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 400;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .c-flow__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 相关入口 ---------- */

.page-contact .c-links {
  padding: clamp(30px, 4vw, 56px) 0 clamp(50px, 6vw, 92px);
}

.page-contact .c-links__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px clamp(20px, 3vw, 40px);
}

.page-contact .c-links__list a {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color var(--t), border-color var(--t);
}

.page-contact .c-links__list a:hover {
  color: var(--cyan);
  border-color: var(--cyan-deep);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .c-kind,
  .page-contact .c-kinds__switch .filter-btn,
  .page-contact .c-links__list a {
    transition: none;
  }
  .page-contact .c-kind:hover {
    transform: none;
  }
}