.page-contact {
  --ct-cut: 18px;
  display: block;
  overflow-x: hidden;
  background: var(--ink);
}

.page-contact .ct-sr-title {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-contact .ct-num {
  font-family: var(--font-serif);
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1;
  letter-spacing: .02em;
  margin: 0 0 10px;
  color: rgba(242, 239, 231, .13);
}

.page-contact .ct-h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 5vw, 46px) 0 clamp(46px, 8vw, 92px);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.55) contrast(1.08);
  z-index: -2;
}

.page-contact .ct-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(102deg, rgba(11, 14, 19, .97) 0%, rgba(11, 14, 19, .86) 46%, rgba(11, 14, 19, .58) 100%),
    repeating-linear-gradient(102deg, rgba(58, 66, 78, .3) 0 1px, transparent 1px 26px);
}

.page-contact .ct-hero__inner {
  position: relative;
  max-width: 920px;
}

.page-contact .ct-hero__eyebrow {
  margin: 26px 0 0;
}

.page-contact .ct-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.6vw, 68px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 14px 0 0;
}

.page-contact .ct-hero__line {
  display: block;
}

.page-contact .ct-hero__line--alt {
  color: var(--cyan);
}

.page-contact .ct-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 三张联系卡 ---------- */

.page-contact .ct-channels {
  padding-top: clamp(40px, 7vw, 78px);
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .ct-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 26px 24px 22px;
  background: var(--rock);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--ct-cut)) 0, 100% var(--ct-cut), 100% 100%, 0 100%);
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  background: repeating-linear-gradient(102deg, rgba(58, 66, 78, .22) 0 1px, transparent 1px 22px);
}

.page-contact .ct-card--mail {
  border-color: rgba(43, 245, 216, .5);
  background: linear-gradient(152deg, rgba(21, 87, 255, .16), rgba(22, 27, 34, 1) 58%);
  box-shadow: 0 22px 46px -34px rgba(43, 245, 216, .7);
}

.page-contact .ct-card__idx {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1;
  letter-spacing: .02em;
  margin: 0;
  color: rgba(242, 239, 231, .15);
}

.page-contact .ct-card--mail .ct-card__idx {
  color: rgba(43, 245, 216, .28);
}

.page-contact .ct-card__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 0;
}

.page-contact .ct-card__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-card__mono {
  position: relative;
  margin: 2px 0 0;
  padding-left: 32px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2vw, 17px);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .ct-card__mono::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 24px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .ct-card__foot {
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.page-contact .ct-card__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--mist);
}

/* ---------- 状态带 ---------- */

.page-contact .ct-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(21, 87, 255, .1), rgba(22, 27, 34, .9) 55%, rgba(11, 14, 19, 1));
}

.page-contact .ct-strip__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 17px 0;
}

.page-contact .ct-strip__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  animation: ctPulse 2.4s var(--ease) infinite;
}

@keyframes ctPulse {
  0% { box-shadow: 0 0 0 0 rgba(43, 245, 216, .55); }
  70% { box-shadow: 0 0 0 13px rgba(43, 245, 216, 0); }
  100% { box-shadow: 0 0 0 0 rgba(43, 245, 216, 0); }
}

.page-contact .ct-strip__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-strip__num {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--paper);
}

.page-contact .ct-strip__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 216, .4);
  padding-bottom: 1px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .ct-strip__link:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 通用两栏 ---------- */

.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

/* ---------- 提问准备 ---------- */

.page-contact .ct-prep__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .ct-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .ct-list__item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-list__num {
  font-family: var(--font-serif);
  font-size: 25px;
  line-height: 1.15;
  color: rgba(43, 245, 216, .62);
}

.page-contact .ct-list__body h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 6px;
}

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

.page-contact .ct-template {
  margin-top: 28px;
  padding: 20px 22px 18px;
  background: var(--rock);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-contact .ct-template__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .ct-template__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-contact .ct-template__body {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 2.05;
  color: var(--mist);
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 侧栏说明块 ---------- */

.page-contact .ct-aside {
  padding: 24px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
  background: rgba(22, 27, 34, .72);
}

.page-contact .ct-aside--org {
  border-top-color: var(--cyan);
  background: rgba(22, 27, 34, .9);
}

.page-contact .ct-aside__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .ct-aside__dl {
  margin: 0;
}

.page-contact .ct-aside__dl dt {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 4px;
}

.page-contact .ct-aside__dl dt:not(:first-child) {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-aside__dl dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-aside__list li {
  position: relative;
  padding: 12px 0 12px 24px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--paper);
  border-top: 1px solid var(--line);
}

.page-contact .ct-aside__list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .ct-aside__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 机构协作 ---------- */

.page-contact .ct-org {
  padding-top: clamp(48px, 8vw, 92px);
  padding-bottom: clamp(48px, 8vw, 92px);
  background: linear-gradient(180deg, rgba(22, 27, 34, .82), rgba(11, 14, 19, 1));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-org__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 地址 ---------- */

.page-contact .ct-addr {
  padding-top: clamp(48px, 8vw, 92px);
  padding-bottom: clamp(48px, 8vw, 92px);
}

.page-contact .ct-addr__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 58ch;
}

.page-contact .ct-addr__box {
  margin: 26px 0 0;
  padding: 22px 24px;
  font-style: normal;
  background: var(--rock);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-contact .ct-addr__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-contact .ct-addr__line {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
}

.page-contact .ct-addr__meta {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .ct-addr__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  background: var(--rock);
  padding: 12px;
}

.page-contact .ct-addr__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(43, 245, 216, .35);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-contact .ct-addr__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 常见问题 ---------- */

.page-contact .ct-faq {
  padding-bottom: clamp(56px, 9vw, 108px);
}

.page-contact .ct-faq__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
  max-width: 60ch;
}

.page-contact .ct-faq__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
}

.page-contact .ct-faq__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 20px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--line);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--ct-cut) 100%, 0 calc(100% - var(--ct-cut)));
  transition: border-color .16s var(--ease), transform .16s var(--ease), background .16s var(--ease);
}

.page-contact .ct-faq__item:hover,
.page-contact .ct-faq__item:focus-visible {
  border-color: rgba(43, 245, 216, .6);
  background: var(--rock);
  transform: translateY(-3px);
}

.page-contact .ct-faq__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 0;
}

.page-contact .ct-faq__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .ct-faq__go {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .ct-faq__more {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ct-faq__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 216, .4);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .ct-faq__link:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .ct-faq__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 880px) {
  .page-contact .ct-cards {
    grid-template-columns: 1.4fr 1.05fr .92fr;
    align-items: start;
    gap: 20px;
  }

  .page-contact .ct-card--phone {
    margin-top: 26px;
  }

  .page-contact .ct-card--docs {
    margin-top: 52px;
  }

  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-contact .ct-org .ct-split--flip {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  }

  .page-contact .ct-org__aside {
    margin-top: 44px;
  }

  .page-contact .ct-addr__media {
    margin-top: -28px;
  }

  .page-contact .ct-faq__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-hero__inner {
    padding-right: 8%;
  }

  .page-contact .ct-addr__media {
    margin-top: -46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-strip__dot {
    animation: none;
  }

  .page-contact .ct-faq__item {
    transition: none;
  }
}