.page-contact {
  --contact-rule: rgba(110, 122, 115, .4);
  --contact-rule-cyan: rgba(43, 227, 192, .5);
  position: relative;
  background:
    radial-gradient(115% 65% at 84% -6%, rgba(43, 227, 192, .10), transparent 62%),
    radial-gradient(90% 50% at 8% 12%, rgba(18, 58, 44, .55), transparent 70%),
    var(--yq-ink);
  color: var(--yq-white);
  padding-bottom: clamp(64px, 10vw, 132px);
  overflow-x: clip;
}

.page-contact .contact-hero {
  max-width: 940px;
  padding: clamp(84px, 14vw, 168px) 0 clamp(26px, 5vw, 52px);
}

.page-contact .yq-eyebrow {
  margin: 0 0 18px;
  font-family: var(--yq-font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--yq-cyan);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--yq-font-display);
  font-weight: 200;
  font-size: clamp(36px, 8.4vw, 96px);
  line-height: 1.03;
  letter-spacing: -.035em;
  color: var(--yq-white);
}

.page-contact .contact-hero__intro {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17.5px);
  line-height: 1.9;
  color: var(--yq-paper-mid);
}

/* ---------- 联络展签主体 ---------- */
.page-contact .contact-board {
  display: grid;
  gap: clamp(34px, 6vw, 60px);
  padding-top: clamp(30px, 5vw, 48px);
  border-top: 1px solid var(--contact-rule);
}

.page-contact .contact-board__main,
.page-contact .contact-board__side {
  min-width: 0;
}

.page-contact .contact-label {
  margin: 0 0 14px;
  font-family: var(--yq-font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--yq-cyan);
}

.page-contact .contact-mail {
  display: block;
  font-family: var(--yq-font-mono);
  font-size: clamp(19px, 3.6vw, 46px);
  font-weight: 300;
  line-height: 1.26;
  letter-spacing: -.015em;
  color: var(--yq-white);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .3s var(--yq-ease), text-shadow .3s var(--yq-ease);
}

.page-contact .contact-mail:hover {
  color: var(--yq-cyan);
  text-shadow: 0 0 34px rgba(43, 227, 192, .38);
}

.page-contact .contact-mail:focus-visible {
  outline: 2px solid var(--yq-cyan);
  outline-offset: 8px;
  color: var(--yq-cyan);
}

.page-contact .contact-mail__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--yq-paper-mid);
}

.page-contact .contact-topics {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 52ch;
}

.page-contact .contact-topics li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--yq-white);
}

.page-contact .contact-topics li::before {
  content: "";
  flex: 0 0 20px;
  height: 2px;
  margin-top: 12px;
  background: var(--yq-cyan);
}

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

.page-contact .contact-side {
  display: grid;
  gap: clamp(26px, 4vw, 38px);
}

.page-contact .contact-phone {
  display: inline-block;
  font-family: var(--yq-font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--yq-white);
  text-decoration: none;
  transition: color .3s var(--yq-ease);
}

.page-contact .contact-phone:hover,
.page-contact .contact-phone:focus-visible {
  color: var(--yq-cyan);
}

.page-contact .contact-addr {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--yq-white);
}

.page-contact .contact-side__text {
  margin: 12px 0 0;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yq-paper-mid);
}

/* ---------- 章节通用 ---------- */
.page-contact .yq-section {
  padding-top: clamp(60px, 9vw, 122px);
}

.page-contact .yq-section__head {
  max-width: 780px;
}

.page-contact .yq-section__num {
  display: block;
  font-family: var(--yq-font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--yq-cyan);
}

.page-contact .yq-section__title {
  margin: 12px 0 0;
  font-family: var(--yq-font-display);
  font-weight: 400;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.16;
  letter-spacing: -.022em;
  color: var(--yq-white);
}

.page-contact .yq-section__note {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--yq-paper-mid);
}

/* ---------- 反馈要素 ---------- */
.page-contact .contact-factors {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-factor {
  padding: clamp(22px, 3.4vw, 34px) 0;
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .contact-factor__num {
  display: block;
  font-family: var(--yq-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--yq-cyan);
}

.page-contact .contact-factor__title {
  margin: 10px 0 0;
  font-family: var(--yq-font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.012em;
  color: var(--yq-white);
}

.page-contact .contact-factor p {
  margin: 10px 0 0;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--yq-paper-mid);
}

.page-contact .contact-brief__media {
  margin: clamp(34px, 5vw, 56px) 0 0;
}

/* ---------- 合作面板 ---------- */
.page-contact .contact-partner__panel {
  background: var(--yq-ink-2);
  border: 1px solid var(--yq-turf);
  border-left: 3px solid var(--yq-cyan);
  padding: clamp(28px, 4.4vw, 56px);
  box-shadow: 14px 14px 0 rgba(0, 0, 0, .34);
}

.page-contact .contact-partner__title {
  margin: 12px 0 0;
  font-family: var(--yq-font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -.022em;
  color: var(--yq-white);
}

.page-contact .contact-partner__text {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--yq-paper-mid);
}

.page-contact .contact-partner__text--foot {
  margin-top: clamp(24px, 3.4vw, 36px);
  font-size: 14.5px;
}

.page-contact .contact-partner__list {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .contact-partner__list li {
  display: grid;
  gap: 6px;
  padding-top: 18px;
  border-top: 1px solid var(--contact-rule);
}

.page-contact .contact-partner__list strong {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -.008em;
  color: var(--yq-white);
}

.page-contact .contact-partner__list span {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yq-paper-mid);
}

/* ---------- 常见反馈类型 ---------- */
.page-contact .contact-types__grid {
  display: grid;
  gap: 0;
  margin-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--contact-rule);
}

.page-contact .contact-type {
  padding: clamp(20px, 3vw, 28px) 0;
  border-bottom: 1px solid var(--contact-rule);
}

.page-contact .contact-type h3 {
  margin: 0;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -.008em;
  color: var(--yq-white);
}

.page-contact .contact-type p {
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--yq-paper-mid);
}

/* ---------- 行内链接 ---------- */
.page-contact .contact-inline {
  color: var(--yq-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-rule-cyan);
  transition: color .25s var(--yq-ease), border-color .25s var(--yq-ease);
}

.page-contact .contact-inline:hover,
.page-contact .contact-inline:focus-visible {
  color: var(--yq-cyan-soft);
  border-bottom-color: var(--yq-cyan-soft);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-foot {
  margin-top: clamp(56px, 9vw, 112px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--contact-rule);
  display: grid;
  gap: 20px;
}

.page-contact .contact-foot__text {
  margin: 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--yq-paper-mid);
}

.page-contact .contact-foot__btn {
  justify-self: start;
}

/* ---------- 响应式栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-partner__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 36px);
  }

  .page-contact .contact-partner__list li {
    border-top: 0;
    border-left: 1px solid var(--contact-rule);
    padding: 0 0 0 clamp(16px, 2vw, 28px);
  }

  .page-contact .contact-partner__list li:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-contact .contact-types__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .contact-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }
}

@media (min-width: 820px) {
  .page-contact .contact-factors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-factor {
    padding: clamp(26px, 3vw, 38px) clamp(20px, 2.6vw, 34px);
    border-bottom: 0;
    border-left: 1px solid var(--contact-rule);
  }

  .page-contact .contact-factor:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-contact .contact-factor:last-child {
    padding-right: 0;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-board {
    grid-template-columns: minmax(0, 1.52fr) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 96px);
  }

  .page-contact .contact-board__side {
    border-left: 1px solid var(--contact-rule);
    padding-left: clamp(28px, 3.4vw, 52px);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-brief__media {
    max-width: 620px;
    margin-left: auto;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-mail,
  .page-contact .contact-phone,
  .page-contact .contact-inline {
    transition: none;
  }
}