.page-contact {
  --c-hair: rgba(30, 74, 107, 0.72);
  --c-hair-soft: rgba(30, 74, 107, 0.4);
  --c-panel: rgba(14, 44, 68, 0.66);
  --c-panel-deep: rgba(6, 26, 43, 0.6);
  position: relative;
  isolation: isolate;
  padding-bottom: clamp(40px, 7vw, 88px);
  color: var(--paper);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(760px, 92vh);
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(120% 78% at 64% 6%, rgba(63, 240, 192, 0.1), transparent 58%),
    repeating-linear-gradient(60deg, rgba(30, 74, 107, 0.24) 0 1px, transparent 1px 78px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 100%);
}

.page-contact .breadcrumb {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 首屏框景 ---------- */

.page-contact .hero {
  padding-top: clamp(16px, 3vw, 30px);
}

.page-contact .hero__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-hair);
  background: linear-gradient(152deg, rgba(14, 44, 68, 0.78), rgba(6, 26, 43, 0.36));
  padding: clamp(24px, 4.4vw, 50px);
}

.page-contact .hero__frame::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 62%;
  pointer-events: none;
  background-image: repeating-linear-gradient(60deg, rgba(30, 74, 107, 0.34) 0 1px, transparent 1px 62px);
}

.page-contact .hero__frame::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 58px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .hero__meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-contact .hero__clock {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .hero__title {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  max-width: 17ch;
  font-size: clamp(30px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .hero__lede {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .hero__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .hero__figure {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  border: 1px solid var(--c-hair);
  background: var(--c-panel-deep);
}

.page-contact .hero__figure img {
  display: block;
  width: 100%;
  height: clamp(190px, 34vw, 420px);
  object-fit: cover;
}

/* ---------- 通道介绍 ---------- */

.page-contact .channel-intro {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
}

.page-contact .channel-intro__figure {
  margin: 0;
  border: 1px solid var(--c-hair);
  background: var(--c-panel-deep);
}

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

@media (min-width: 860px) {
  .page-contact .channel-intro {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

/* ---------- 四象限坐标卡片 ---------- */

.page-contact .contact-grid {
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
  grid-template-columns: 1fr;
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-contact .channel {
  --ch-accent: var(--cyan);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--c-hair);
  background: linear-gradient(165deg, rgba(14, 44, 68, 0.8), rgba(6, 26, 43, 0.55));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .channel--coop {
  --ch-accent: var(--orange);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 22px;
  height: 22px;
  border-top: 2px solid var(--ch-accent);
  border-left: 2px solid var(--ch-accent);
  pointer-events: none;
}

.page-contact .channel:hover {
  border-color: rgba(63, 240, 192, 0.6);
  transform: translateY(-2px);
}

.page-contact .channel--coop:hover {
  border-color: rgba(255, 138, 61, 0.65);
}

.page-contact .channel__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.page-contact .channel__code {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .channel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .channel__value {
  margin: 0;
  font-size: clamp(13.5px, 1.8vw, 15.5px);
  line-height: 1.6;
  color: var(--ch-accent);
  overflow-wrap: anywhere;
}

.page-contact .channel__note {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 中央坐标读数 */

.page-contact .core {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: clamp(26px, 3.4vw, 38px) clamp(16px, 2vw, 22px);
  text-align: center;
  border: 1px solid rgba(63, 240, 192, 0.42);
  background:
    radial-gradient(120% 88% at 50% 0%, rgba(63, 240, 192, 0.13), transparent 62%),
    linear-gradient(180deg, rgba(14, 44, 68, 0.92), rgba(6, 26, 43, 0.86));
}

.page-contact .core::before,
.page-contact .core::after {
  content: "";
  position: absolute;
  pointer-events: none;
  background: rgba(30, 74, 107, 0.5);
}

.page-contact .core::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}

.page-contact .core::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.page-contact .core > * {
  position: relative;
  z-index: 1;
}

.page-contact .core__dial {
  width: clamp(72px, 12vw, 104px);
  height: auto;
}

.page-contact .core__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-contact .core__icp {
  margin: 0;
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .core__brand {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

@media (min-width: 780px) {
  .page-contact .contact-grid {
    grid-template-columns: 1fr 1.08fr 1fr;
    grid-template-areas:
      "mail core phone"
      "addr core coop";
  }

  .page-contact .channel--mail { grid-area: mail; }
  .page-contact .channel--phone { grid-area: phone; }
  .page-contact .channel--addr { grid-area: addr; }
  .page-contact .channel--coop { grid-area: coop; }
  .page-contact .core { grid-area: core; }
}

/* ---------- 通道对照表 ---------- */

.page-contact .routes {
  list-style: none;
  margin: clamp(22px, 3.2vw, 34px) 0 0;
  padding: 0;
  border-top: 1px solid var(--c-hair);
}

.page-contact .route {
  display: grid;
  gap: 6px 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-hair-soft);
}

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

.page-contact .route__topic {
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .route__how {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--signal);
  overflow-wrap: anywhere;
}

.page-contact .route__why {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 920px) {
  .page-contact .route {
    grid-template-columns: 46px minmax(170px, 1fr) minmax(230px, 1.15fr) minmax(200px, 1.1fr);
    align-items: baseline;
  }
}

/* ---------- 邮件标题模板 ---------- */

.page-contact .templates {
  margin-top: clamp(26px, 3.6vw, 40px);
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--c-hair);
  background: linear-gradient(150deg, rgba(14, 44, 68, 0.62), rgba(6, 26, 43, 0.42));
}

.page-contact .templates__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .templates__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .template {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px dashed rgba(30, 74, 107, 0.85);
  background: rgba(6, 26, 43, 0.48);
}

.page-contact .template__text {
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .template__copy {
  flex: 0 0 auto;
  font-size: 12.5px;
  padding: 8px 14px;
}

/* ---------- 响应节奏 ---------- */

.page-contact .beat {
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.page-contact .beat__item {
  position: relative;
  padding: 22px 20px 0 0;
  border-top: 1px solid var(--c-hair);
}

.page-contact .beat__item::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .beat__item:first-child::before {
  background: var(--orange);
}

.page-contact .beat__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .beat__text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .beat__hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background: rgba(14, 44, 68, 0.5);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

@media (min-width: 840px) {
  .page-contact .beat {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
  }

  .page-contact .beat__item {
    padding: 22px 26px 0 0;
  }

  .page-contact .beat__item + .beat__item {
    padding-left: 26px;
  }
}

/* ---------- 合作资料 ---------- */

.page-contact .coop-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  grid-template-columns: 1fr;
  margin-top: clamp(22px, 3.2vw, 36px);
}

@media (min-width: 820px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-contact .coop-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px solid rgba(255, 138, 61, 0.42);
  background: linear-gradient(165deg, rgba(14, 44, 68, 0.82), rgba(6, 26, 43, 0.58));
}

.page-contact .coop-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .coop-panel__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .coop-panel__list {
  margin: 0;
  flex: 1 1 auto;
}

.page-contact .coop-panel__list dt {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .coop-panel__list dd {
  margin: 6px 0 16px;
  padding-left: 12px;
  border-left: 2px solid var(--c-hair);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .coop-panel__list dd:last-of-type {
  margin-bottom: 0;
}

.page-contact .coop-panel__link {
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 192, 0.45);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .coop-panel__link:hover {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.7);
}

/* ---------- 自助入口 ---------- */

.page-contact .shortcuts {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

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

.page-contact .shortcut {
  display: flex;
}

.page-contact .shortcut__link {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  width: 100%;
  padding: 20px 58px 20px 20px;
  border: 1px solid var(--c-hair);
  background: rgba(14, 44, 68, 0.5);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .shortcut__link:hover {
  border-color: rgba(255, 138, 61, 0.7);
  background: rgba(14, 44, 68, 0.8);
}

.page-contact .shortcut__code {
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .shortcut__title {
  font-size: 16.5px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .shortcut__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .shortcut__go {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 17px;
  color: var(--orange);
  transition: transform var(--dur) var(--ease);
}

.page-contact .shortcut__link:hover .shortcut__go {
  transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .shortcut__link,
  .page-contact .shortcut__go,
  .page-contact .coop-panel__link {
    transition: none;
  }

  .page-contact .channel:hover {
    transform: none;
  }

  .page-contact .shortcut__link:hover .shortcut__go {
    transform: none;
  }
}