.page-contact {
  --con-gap: 1.25rem;
  --con-radius: 22px;
  padding-bottom: 5.5rem;
  color: var(--text-body);
}

.page-contact .breadcrumb {
  padding-top: 1.15rem;
}

/* 首屏 */
.page-contact .con-hero {
  padding: 1rem 0 2.25rem;
}

.page-contact .con-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.page-contact .con-hero h1 {
  margin: .55rem 0 0;
  font-size: clamp(1.85rem, 5.4vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: .025em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .con-hero__mark {
  color: var(--amber);
}

.page-contact .con-hero__lead {
  margin: 1.05rem 0 0;
  max-width: 44ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-body);
}

.page-contact .con-hero__meta {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem .95rem;
}

.page-contact .con-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--fog);
}

.page-contact .con-hero__meta li::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber);
  flex: 0 0 auto;
}

.page-contact .con-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-contact .con-hero__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .con-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 章节通用 */
.page-contact .section {
  padding: 2.1rem 0;
}

.page-contact .section__head {
  margin-bottom: 1.5rem;
}

.page-contact .section__num {
  color: var(--amber);
  font-size: .78rem;
  letter-spacing: .2em;
}

.page-contact .section__title {
  margin: .4rem 0 0;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: .02em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .section__note {
  margin: .65rem 0 0;
  max-width: 62ch;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--fog);
}

/* 01 渠道 + 模板 */
.page-contact .con-channels__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-contact .con-channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .con-channel {
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(158deg, rgba(22, 35, 61, .92), rgba(11, 19, 36, .88));
  box-shadow: var(--shadow-panel);
}

.page-contact .con-channel--status {
  border-color: rgba(79, 183, 154, .38);
  background: linear-gradient(158deg, rgba(30, 58, 58, .55), rgba(11, 19, 36, .9));
}

.page-contact .con-channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .con-channel__value {
  display: block;
  margin-top: .45rem;
  font-size: 1rem;
  line-height: 1.55;
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .con-channel__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .con-channel__link:hover,
.page-contact .con-channel__link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
}

.page-contact .con-channel__hint {
  margin: .55rem 0 0;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--fog);
}

.page-contact .con-channel__chip {
  margin-top: .6rem;
  display: inline-flex;
  align-items: center;
}

.page-contact .con-template {
  padding: 1.35rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 110% at 100% 0%, rgba(79, 183, 154, .10), transparent 58%),
    linear-gradient(155deg, rgba(22, 35, 61, .95), rgba(11, 19, 36, .92));
  box-shadow: var(--shadow-panel);
}

.page-contact .con-template__title {
  margin: 0;
  font-size: 1.12rem;
  line-height: 1.45;
  letter-spacing: .01em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .con-template__lead {
  margin: .6rem 0 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-contact .con-template__code {
  margin: 1rem 0 0;
  padding: 1rem 1.1rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.95;
  color: var(--paper);
  background: rgba(7, 10, 16, .75);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  overflow-x: auto;
}

.page-contact .con-template__code b {
  color: var(--amber);
  font-weight: 700;
}

.page-contact .con-template__foot {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.15rem;
}

/* 02 节奏 */
.page-contact .con-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .2rem;
}

.page-contact .con-fact {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .8rem;
  padding: 1rem .1rem;
  border-top: 1px dashed var(--line);
}

.page-contact .con-fact:first-child {
  border-top: 0;
  padding-top: .2rem;
}

.page-contact .con-fact__num {
  padding-top: .18rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-contact .con-fact__title {
  margin: 0;
  font-size: .98rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .con-fact p {
  margin: .32rem 0 0;
  max-width: 68ch;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--text-body);
}

/* 03 地址 */
.page-contact .con-address {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.page-contact .con-address__lines {
  display: grid;
  gap: .4rem;
  margin: 0;
  font-style: normal;
  padding: 1.15rem 1.25rem;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(100deg, rgba(22, 35, 61, .8), rgba(11, 19, 36, .5));
}

.page-contact .con-address__label {
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-contact .con-address__value {
  font-size: 1.02rem;
  line-height: 1.65;
  font-weight: 700;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .con-address__note {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .con-address__cta {
  margin-top: 1.1rem;
}

.page-contact .con-address__media {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-contact .con-address__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 04 下一步 */
.page-contact .con-next {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .con-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem .25rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .con-next__link:hover,
.page-contact .con-next__link:focus-visible {
  color: var(--amber);
  padding-left: .6rem;
}

.page-contact .con-next__body {
  display: block;
  min-width: 0;
}

.page-contact .con-next__label {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .con-next__desc {
  display: block;
  margin-top: .3rem;
  font-size: .84rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--fog);
}

.page-contact .con-next__arrow {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--amber);
}

/* 移动端固定返回按钮 */
.page-contact .con-dock {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 40;
  display: flex;
  justify-content: center;
  padding: .7rem 1rem calc(.7rem + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(to top, rgba(7, 10, 16, .96), rgba(7, 10, 16, .55) 68%, rgba(7, 10, 16, 0));
  pointer-events: none;
}

.page-contact .con-dock .btn {
  pointer-events: auto;
  width: 100%;
  max-width: 21rem;
}

/* 平板 */
@media (min-width: 720px) {
  .page-contact .con-channels__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .con-fact {
    grid-template-columns: 3rem minmax(0, 1fr);
    gap: 1rem;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-contact {
    padding-bottom: 0;
  }

  .page-contact .con-hero {
    padding: 1.5rem 0 2.75rem;
  }

  .page-contact .con-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 3rem;
    align-items: center;
  }

  .page-contact .con-channels__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 2.25rem;
  }

  .page-contact .con-address {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 2.5rem;
  }

  .page-contact .section {
    padding: 2.6rem 0;
  }

  .page-contact .con-dock {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .con-channel__link,
  .page-contact .con-next__link {
    transition: none;
  }
}