.page-contact {
  overflow-x: clip;
  display: block;
}

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

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 44px) clamp(46px, 7.5vw, 84px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-hairline) 1px, transparent 1px);
  background-size: 88px 88px, 88px 88px;
  opacity: .5;
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  margin-top: clamp(20px, 3.5vw, 36px);
}

.page-contact .contact-hero h1 {
  font-family: var(--f-display);
  font-size: clamp(34px, 8.4vw, 72px);
  line-height: 1.02;
  letter-spacing: .02em;
  color: var(--c-white);
  margin: .16em 0 .34em;
}

.page-contact .contact-hero__lede {
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: rgba(242, 247, 245, .82);
  max-width: 48ch;
  margin: 0;
}

.page-contact .contact-hero__facts {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 11px 0;
  border-top: 1px solid var(--c-hairline);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(242, 247, 245, .7);
}

.page-contact .contact-hero__facts li:last-child {
  border-bottom: 1px solid var(--c-hairline);
}

.page-contact .contact-hero__facts .mono {
  color: var(--c-cyan);
  font-size: 13px;
  letter-spacing: .05em;
}

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

/* ---------- 通用小标题 ---------- */

.page-contact .contact-head {
  max-width: 60ch;
}

.page-contact .contact-head h2 {
  font-family: var(--f-display);
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.1;
  letter-spacing: .03em;
  color: var(--c-ink-on-paper);
  margin: .22em 0 .38em;
}

.page-contact .contact-head__lede {
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(16, 35, 29, .78);
  margin: 0;
}

.page-contact .zone--pitch .contact-head h2 {
  color: var(--c-white);
}

.page-contact .zone--pitch .contact-head__lede {
  color: rgba(242, 247, 245, .76);
}

/* ---------- 提交格式 ---------- */

.page-contact .contact-format {
  padding-block: clamp(46px, 7.5vw, 84px);
}

.page-contact .contact-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .contact-jump__item {
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-emerald);
  background: rgba(20, 96, 74, .07);
  border: 1px solid rgba(20, 96, 74, .26);
  border-radius: var(--r-pill);
  padding: 7px 16px;
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-contact .contact-jump__item:hover {
  background: var(--c-emerald);
  border-color: var(--c-emerald);
  color: var(--c-white);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--c-white);
  border: 1px solid var(--c-hairline-dark);
  border-radius: var(--r-md);
  padding: clamp(20px, 2.6vw, 28px);
  scroll-margin-top: 120px;
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .contact-card__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-white);
  background: var(--c-emerald);
  border-radius: var(--r-pill);
  padding: 3px 11px;
}

.page-contact .contact-card h3 {
  flex: 1 1 auto;
  font-family: var(--f-display);
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: .03em;
  color: var(--c-ink-on-paper);
  margin: 0;
}

.page-contact .contact-card__intro {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(16, 35, 29, .74);
}

.page-contact .contact-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .contact-checklist li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(16, 35, 29, .86);
}

.page-contact .contact-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  border: 1.5px solid var(--c-emerald);
}

.page-contact .contact-copy {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--c-emerald);
  background: rgba(20, 96, 74, .08);
  border: 1px solid rgba(20, 96, 74, .3);
  border-radius: var(--r-pill);
  padding: 2px 11px;
  cursor: pointer;
  transition: box-shadow var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.page-contact .contact-copy:hover {
  border-color: var(--c-emerald);
}

.page-contact .contact-copy[data-copied] {
  color: var(--c-ink-on-paper);
  box-shadow: 0 0 0 2px var(--c-cyan);
}

.page-contact .contact-format__figure {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

/* ---------- 联系方式 ---------- */

.page-contact .contact-channels {
  padding-block: clamp(46px, 7.5vw, 84px);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .contact-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-md);
  background: rgba(242, 247, 245, .045);
  padding: clamp(20px, 2.6vw, 28px);
}

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

.page-contact .contact-channel__value {
  font-family: var(--f-mono);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.55;
  letter-spacing: .01em;
  text-align: left;
  color: var(--c-white);
  background: none;
  border: 0;
  border-bottom: 1px dashed var(--c-hairline-strong);
  padding: 0 0 7px;
  margin: 0;
  cursor: pointer;
  word-break: break-all;
  transition: color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
}

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

.page-contact .contact-channel__value[data-copied] {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
  box-shadow: 0 0 0 2px rgba(56, 225, 214, .4);
  border-radius: 6px;
}

.page-contact .contact-channel__value--plain {
  cursor: default;
  font-size: clamp(13px, 1.3vw, 15px);
  border-bottom-style: solid;
  border-bottom-color: var(--c-hairline);
}

.page-contact .contact-channel__value--plain:hover {
  color: var(--c-white);
  border-bottom-color: var(--c-hairline);
}

.page-contact .contact-channel__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(242, 247, 245, .6);
}

/* ---------- 回复节奏 ---------- */

.page-contact .contact-flow {
  padding-block: clamp(46px, 7.5vw, 84px);
}

.page-contact .contact-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 52px);
}

.page-contact .contact-flow__lead {
  max-width: 42ch;
}

.page-contact .contact-steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.page-contact .contact-steps li {
  position: relative;
  counter-increment: step;
  padding: 18px 0 18px 58px;
  border-top: 1px solid var(--c-hairline-dark);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(16, 35, 29, .82);
}

.page-contact .contact-steps li:last-child {
  border-bottom: 1px solid var(--c-hairline-dark);
}

.page-contact .contact-steps li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-emerald);
  border: 1px solid rgba(20, 96, 74, .32);
  border-radius: var(--r-pill);
  padding: 2px 9px;
}

.page-contact .contact-steps strong {
  display: block;
  font-family: var(--f-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--c-ink-on-paper);
  margin-bottom: 3px;
}

/* ---------- 处理范围 ---------- */

.page-contact .contact-scope {
  padding-block: clamp(46px, 7.5vw, 84px);
}

.page-contact .contact-scope__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .contact-scope__col {
  border-radius: var(--r-md);
  border: 1px solid var(--c-hairline);
  padding: clamp(20px, 2.8vw, 30px);
}

.page-contact .contact-scope__col--yes {
  background: rgba(56, 225, 214, .06);
  border-color: rgba(56, 225, 214, .3);
}

.page-contact .contact-scope__col--no {
  background: rgba(226, 59, 59, .07);
  border-color: rgba(226, 59, 59, .32);
}

.page-contact .contact-scope__col h3 {
  font-family: var(--f-display);
  font-size: clamp(19px, 2.2vw, 23px);
  letter-spacing: .04em;
  color: var(--c-white);
  margin: 0 0 14px;
}

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

.page-contact .contact-scope__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 247, 245, .78);
}

.page-contact .contact-scope__list li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--f-mono);
  font-size: 13px;
  line-height: 1.9;
}

.page-contact .contact-scope__col--yes .contact-scope__list li::before {
  content: "＋";
  color: var(--c-cyan);
}

.page-contact .contact-scope__col--no .contact-scope__list li::before {
  content: "－";
  color: var(--c-alert);
}

/* ---------- 备案与站点信息 ---------- */

.page-contact .contact-site-info {
  padding-block: clamp(36px, 5.5vw, 68px) clamp(48px, 7vw, 80px);
}

.page-contact .contact-filing {
  border: 1px solid var(--c-hairline);
  border-radius: var(--r-md);
  background: rgba(242, 247, 245, .03);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-contact .contact-filing__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 24px;
  margin: 16px 0 0;
}

.page-contact .contact-filing__list > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-contact .contact-filing__list dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(242, 247, 245, .55);
}

.page-contact .contact-filing__list dd {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-white);
}

.page-contact .contact-filing__list dd.mono {
  color: var(--c-cyan);
  letter-spacing: .04em;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-filing__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: clamp(36px, 5vw, 64px);
  }

  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-scope__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-filing__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-jump__item,
  .page-contact .contact-copy,
  .page-contact .contact-channel__value {
    transition: none;
  }
}