.page-contact {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 32px;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text-3);
}

.page-contact .breadcrumbs a {
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .breadcrumbs a:hover {
  color: var(--accent-2);
}

.page-contact .breadcrumbs [aria-current="page"] {
  color: var(--text);
}

/* ===== 首屏名片式布局 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: 64px 0 80px;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-2) 60%, var(--accent));
  transform: skewX(-35deg);
  transform-origin: right top;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .contact-hero__rail {
  display: none;
}

.page-contact .contact-hero__intro {
  max-width: 620px;
}

.page-contact .contact-hero .kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--accent-2);
  margin-bottom: 18px;
}

.page-contact .contact-hero .kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--accent);
}

.page-contact .contact-hero__title {
  font-family: var(--font-head);
  font-size: clamp(44px, 8vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.page-contact .contact-hero__lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-2);
  max-width: 520px;
}

.page-contact .route-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 32px;
}

.page-contact .route-meta__item {
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--text-3);
  padding-left: 14px;
  border-left: 2px solid var(--accent-2);
}

/* ===== 联系方式卡片 ===== */
.page-contact .contact-hero__cards {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-contact .contact-card {
  position: relative;
  padding: 28px 22px 24px;
  background:
    linear-gradient(180deg, rgba(0, 212, 255, 0.05), transparent 45%),
    var(--panel);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  background:
    linear-gradient(180deg, rgba(255, 107, 53, 0.08), transparent 55%),
    var(--elevated);
}

.page-contact .contact-card--phone {
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .contact-card--mail {
  clip-path: polygon(22px 0, 100% 0, 100% 100%, 0 100%, 0 22px);
}

.page-contact .contact-card--addr {
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-contact .contact-card__corner {
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--text-3);
}

.page-contact .contact-card__icon {
  display: block;
  width: 36px;
  height: 36px;
  color: var(--accent-2);
  margin-bottom: 20px;
}

.page-contact .contact-card--phone .contact-card__icon {
  color: var(--accent);
}

.page-contact .contact-card--addr .contact-card__icon {
  color: var(--accent-2);
}

.page-contact .contact-card__title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 10px;
}

.page-contact .contact-card__value {
  font-family: var(--font-head);
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  margin: 0 0 12px;
  word-break: break-all;
}

.page-contact .contact-card__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0;
}

/* ===== 通用区块标题 ===== */
.page-contact .section-head {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 32px;
}

.page-contact .section-head__no {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--accent-2);
}

.page-contact .section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

.page-contact .section-head p {
  max-width: 560px;
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-contact .section-head--compact {
  margin-bottom: 20px;
}

.page-contact .section-head--compact h2 {
  font-size: clamp(24px, 3.4vw, 34px);
}

/* ===== 服务响应 ===== */
.page-contact .contact-flow {
  position: relative;
  padding: 72px 0;
}

.page-contact .contact-flow__inner {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-contact .contact-flow__media .media-frame {
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
}

.page-contact .contact-flow__content .section-head {
  margin-bottom: 16px;
}

.page-contact .contact-flow__lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
  margin: 0 0 24px;
}

.page-contact .time-ruler {
  position: relative;
  height: 44px;
  border-bottom: 2px dashed rgba(0, 212, 255, 0.35);
  margin: 28px 0 8px;
}

.page-contact .time-ruler__start {
  position: absolute;
  left: 0;
  bottom: 8px;
  font-family: var(--font-head);
  font-size: 12px;
  color: var(--text-3);
}

.page-contact .time-ruler__mark {
  position: absolute;
  right: 0;
  bottom: -5px;
  width: 10px;
  height: 10px;
  background: var(--accent);
  transform: rotate(45deg);
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.4);
}

.page-contact .time-ruler__label {
  display: block;
  text-align: right;
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent-2);
}

.page-contact .contact-flow__list {
  list-style: none;
  margin: 24px 0 28px;
  padding: 0;
}

.page-contact .contact-flow__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.12);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-contact .contact-flow__index {
  flex: 0 0 auto;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-2);
}

/* ===== 发送邮件 ===== */
.page-contact .contact-mail {
  padding: 72px 0;
}

.page-contact .contact-mail__inner {
  display: grid;
  gap: 36px;
}

.page-contact .contact-mail__aside .section-head {
  margin-bottom: 16px;
}

.page-contact .contact-mail__aside p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
  margin: 0 0 16px;
}

.page-contact .contact-mail__support {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-2);
}

.page-contact .contact-mail__samples {
  display: grid;
  gap: 24px;
}

.page-contact .mail-sample {
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  padding: 28px 24px;
}

.page-contact .mail-sample h3 {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}

.page-contact .mail-sample__line {
  font-family: var(--font-head);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  background: rgba(0, 212, 255, 0.04);
  border-left: 2px solid rgba(0, 212, 255, 0.3);
  padding: 10px 14px;
  margin: 0 0 12px;
  word-break: break-all;
}

.page-contact .mail-sample__line:last-child {
  margin-bottom: 0;
}

.page-contact .mail-sample__bracket {
  color: var(--accent-2);
  font-weight: 700;
}

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

.page-contact .mail-sample__list li {
  position: relative;
  counter-increment: mail;
  padding: 10px 0 10px 44px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-2);
  border-bottom: 1px dashed rgba(0, 212, 255, 0.14);
}

.page-contact .mail-sample__list li::before {
  content: counter(mail);
  position: absolute;
  left: 0;
  top: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-2);
  background: rgba(0, 212, 255, 0.08);
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-contact .mail-sample__list li span {
  font-weight: 600;
  color: var(--text);
  margin-right: 8px;
}

/* ===== 到达信息 ===== */
.page-contact .contact-address {
  padding: 72px 0;
  background: linear-gradient(180deg, rgba(14, 35, 64, 0.35), transparent);
}

.page-contact .contact-address__inner {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-contact .contact-address__visual .media-frame {
  background: var(--panel);
}

.page-contact .contact-address__content .section-head {
  margin-bottom: 16px;
}

.page-contact .contact-address__content > p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
  margin: 0 0 28px;
}

.page-contact .address-route {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  padding: 20px 22px;
  margin-bottom: 20px;
}

.page-contact .address-route svg {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  color: var(--accent);
  margin-top: 2px;
}

.page-contact .address-route p {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .address-toggle {
  border-top: 1px solid rgba(0, 212, 255, 0.18);
  margin: 24px 0 28px;
  padding-top: 16px;
}

.page-contact .address-toggle summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-2);
}

.page-contact .address-toggle summary::-webkit-details-marker {
  display: none;
}

.page-contact .address-toggle summary::marker {
  content: "";
}

.page-contact .address-toggle summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-2);
  font-weight: 700;
}

.page-contact .address-toggle[open] summary::before {
  content: "–";
}

.page-contact .address-toggle p {
  margin: 14px 0 0 28px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ===== 常见沟通场景 ===== */
.page-contact .contact-scenes {
  padding: 72px 0;
}

.page-contact .contact-scenes__grid {
  display: grid;
  gap: 20px;
}

.page-contact .scene-card {
  position: relative;
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  padding: 28px 24px 24px;
  transition: background-color 0.2s ease;
}

.page-contact .scene-card:hover {
  background: var(--elevated);
}

.page-contact .scene-card__code {
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-3);
}

.page-contact .scene-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
}

.page-contact .scene-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
  margin: 0 0 16px;
}

.page-contact .scene-card__route {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-2);
  word-break: break-all;
}

/* ===== 信任与内链 ===== */
.page-contact .contact-trust {
  padding: 48px 0 72px;
}

.page-contact .contact-trust__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  border-top: 1px solid rgba(0, 212, 255, 0.18);
  padding-top: 32px;
}

.page-contact .contact-trust__inner p {
  max-width: 640px;
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-3);
}

.page-contact .contact-trust__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-contact .contact-trust__links a {
  font-family: var(--font-head);
  font-size: 13px;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .contact-trust__links a:hover {
  color: var(--accent-2);
}

/* ===== 平板及以上 ===== */
@media (min-width: 760px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .page-contact .contact-hero__intro {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-contact .contact-hero__cards {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-contact .contact-card--addr {
    grid-column: 1 / -1;
  }

  .page-contact .contact-scenes__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-address__inner {
    grid-template-columns: 1fr 1fr;
    gap: 44px;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 88px 0 104px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: 74px 5fr 7fr;
    gap: 28px;
  }

  .page-contact .contact-hero__rail {
    display: block;
    padding-top: 8px;
  }

  .page-contact .contact-hero .vertical-note {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    white-space: nowrap;
    font-family: var(--font-head);
    font-size: 12px;
    letter-spacing: 0.42em;
    color: var(--text-3);
  }

  .page-contact .contact-hero__intro {
    padding-right: 24px;
  }

  .page-contact .contact-hero__cards {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .contact-flow {
    padding: 88px 0;
  }

  .page-contact .contact-flow__inner {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }

  .page-contact .contact-mail {
    padding: 88px 0;
  }

  .page-contact .contact-mail__inner {
    grid-template-columns: 4fr 8fr;
    gap: 56px;
  }

  .page-contact .contact-address {
    padding: 88px 0;
  }

  .page-contact .contact-address__inner {
    grid-template-columns: 6fr 6fr;
    gap: 56px;
  }

  .page-contact .contact-scenes {
    padding: 88px 0;
  }
}