.page-contact {
  background:
    radial-gradient(circle at 86% 4%, rgba(47, 227, 224, 0.13), transparent 44%),
    radial-gradient(circle at 4% 26%, rgba(166, 107, 255, 0.10), transparent 40%),
    var(--ink);
  color: var(--snow);
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 6vw, 56px) 0 clamp(40px, 7vw, 84px);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -24%;
  right: -14%;
  width: 54%;
  height: 148%;
  background: linear-gradient(158deg, rgba(47, 227, 224, 0.14), rgba(166, 107, 255, 0.06) 58%, transparent 88%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__kicker {
  margin: 26px 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--snow);
  max-width: 15em;
}

.page-contact .contact-hero__lead {
  margin: 22px 0 0;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fog);
  padding-left: 2px;
}

.page-contact .contact-hero__meta .status-dot {
  flex: none;
  transform: translateY(-1px);
}

/* ---------- 渠道卡 ---------- */

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .contact-channel {
  --card-accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 22px 26px;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  transition: box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 62px;
  height: 3px;
  background: var(--card-accent);
  box-shadow: 0 0 12px var(--card-accent);
}

.page-contact .contact-channel--ticket { --card-accent: var(--cyan); }
.page-contact .contact-channel--mail { --card-accent: var(--amber); }
.page-contact .contact-channel--phone { --card-accent: var(--violet); }

.page-contact .contact-channel:hover {
  background: var(--mist);
  box-shadow: inset 0 0 0 1px var(--card-accent);
}

.page-contact .contact-channel .tag {
  align-self: flex-start;
}

.page-contact .contact-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--snow);
}

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

.page-contact .contact-channel__label {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--card-accent);
}

.page-contact .contact-channel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

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

.page-contact .contact-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--card-accent);
}

.page-contact .contact-channel__where {
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--fog);
}

.page-contact .contact-channel__link {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 224, 0.4);
  word-break: break-all;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-channel--mail .contact-channel__link,
.page-contact .contact-channel--phone .contact-channel__link {
  color: var(--card-accent);
  border-bottom-color: rgba(255, 162, 58, 0.4);
}

.page-contact .contact-channel--phone .contact-channel__link {
  border-bottom-color: rgba(166, 107, 255, 0.4);
}

.page-contact .contact-channel__link:hover {
  border-bottom-color: currentColor;
}

/* ---------- 图片容器 ---------- */

.page-contact .contact-figure {
  margin: 34px 0 0;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

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

.page-contact .contact-figure__caption {
  padding: 14px 18px 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
  border-top: 1px solid var(--line);
}

.page-contact .contact-figure--form {
  margin-top: 28px;
}

/* ---------- 工单要点 ---------- */

.page-contact .contact-ticket {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-contact .contact-ticket__intro {
  margin: 0 0 24px;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .contact-steps__item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-steps__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .contact-steps__num {
  font-size: 19px;
  line-height: 1.3;
  color: var(--violet);
  letter-spacing: 0.04em;
}

.page-contact .contact-steps__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--snow);
}

.page-contact .contact-steps__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .contact-ticket__note {
  margin: 26px 0 0;
  padding: 14px 16px;
  background: rgba(47, 227, 224, 0.07);
  box-shadow: inset 0 0 0 1px var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .contact-ticket__note a,
.page-contact .contact-records__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 224, 0.42);
}

.page-contact .contact-ticket__note a:hover,
.page-contact .contact-records__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 合作 ---------- */

.page-contact .contact-partner {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-contact .contact-partner__body p {
  margin: 0 0 18px;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--fog);
}

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

.page-contact .contact-partner__aside {
  padding: 22px 20px;
  background: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .contact-partner__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .contact-partner__mail {
  display: inline-block;
  font-size: 15px;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(237, 242, 255, 0.28);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .contact-partner__mail:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact .contact-partner__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

/* ---------- 信息核对带 ---------- */

.page-contact .contact-ledger {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-ledger__row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-ledger__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fog);
}

.page-contact .contact-ledger__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--snow);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.contact-ledger__v {
  border-bottom: 1px solid rgba(47, 227, 224, 0.4);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact a.contact-ledger__v:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .contact-records__note {
  margin: 28px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-contact .contact-hero__lead {
    font-size: 17px;
  }

  .page-contact .contact-hero__meta {
    grid-template-columns: repeat(3, auto);
    justify-content: start;
    gap: 28px;
  }

  .page-contact .contact-hero__meta li {
    align-items: center;
  }

  .page-contact .contact-ledger__row {
    grid-template-columns: 150px 1fr;
    align-items: baseline;
    gap: 24px;
    padding: 16px 0;
  }

  .page-contact .contact-ticket {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .contact-figure--form {
    margin-top: 0;
  }

  .page-contact .contact-partner {
    grid-template-columns: 1.4fr 0.9fr;
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .contact-channel:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .contact-channel:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .contact-figure--flow {
    margin-top: 56px;
  }

  .page-contact .contact-hero::after {
    right: -8%;
    width: 46%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel,
  .page-contact .contact-channel__link,
  .page-contact .contact-partner__mail,
  .page-contact a.contact-ledger__v,
  .page-contact .contact-ticket__note a,
  .page-contact .contact-records__note a {
    transition-duration: 0ms;
  }
}