.page-contact {
  --c-hair: rgba(221, 231, 236, 0.14);
  --c-body: rgba(244, 247, 249, 0.78);
  --c-panel: rgba(27, 31, 69, 0.6);
  --c-ink-soft: #3B4652;
  --c-edge: rgba(53, 224, 214, 0.34);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--muted);
}

.page-contact .breadcrumbs a {
  color: var(--cyan);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding: 30px 0 48px;
}

.page-contact .contact-intro__grid {
  display: grid;
  gap: 26px;
}

.page-contact .contact-intro__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 54px);
  line-height: 1.15;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-intro__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-intro__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .contact-intro__card {
  padding: 26px 24px 28px;
  background: linear-gradient(160deg, rgba(53, 224, 214, 0.1), rgba(11, 27, 43, 0.2) 60%);
  box-shadow: inset 0 0 0 1px var(--c-edge);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .contact-intro__label {
  margin: 18px 0 4px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .contact-intro__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.4vw, 22px);
  line-height: 1.4;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .contact-intro__hint {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-hair);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 渠道卡片 ---------- */
.page-contact .contact-channels-zone {
  padding: 10px 0 54px;
}

.page-contact .contact-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-head__sub {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-channels {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .contact-channel {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--c-panel);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background var(--dur) var(--ease);
}

.page-contact .contact-channel::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .contact-channel:hover {
  background: rgba(27, 31, 69, 0.9);
}

.page-contact .contact-channel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .contact-channel__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-channel__time {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--amber);
}

.page-contact .contact-channel__value {
  margin: 16px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.8vw, 20px);
  line-height: 1.45;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .contact-channel--post .contact-channel__value {
  font-size: clamp(15px, 3.4vw, 17px);
  color: var(--cloud);
}

.page-contact .contact-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-channel__list {
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--c-hair);
  list-style: none;
}

.page-contact .contact-channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 7px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 邮件写法 ---------- */
.page-contact .contact-mail {
  padding: 46px 0 54px;
}

.page-contact .contact-mail__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-mail__left h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-mail__copy {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-mail__format {
  margin-top: 24px;
  padding: 22px 22px 24px;
  background: rgba(110, 31, 53, 0.42);
  box-shadow: inset 0 0 0 1px rgba(232, 167, 184, 0.22);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .contact-mail__template {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 18px);
  line-height: 1.6;
  color: var(--amber);
  word-break: break-word;
}

.page-contact .contact-mail__example {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 247, 249, 0.72);
  word-break: break-word;
}

.page-contact .note-hand {
  display: inline-block;
  margin: 20px 0 0;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--cloud);
  background: rgba(53, 224, 214, 0.12);
  box-shadow: inset 0 0 0 1px var(--c-edge);
  transform: rotate(-1.6deg);
}

.page-contact .contact-mail__sub {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-checklist {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-checklist li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--c-hair);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-body);
}

.page-contact .contact-checklist__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 响应时段 ---------- */
.page-contact .contact-hours {
  position: relative;
  overflow: hidden;
  padding: 54px 0 56px;
}

.page-contact .contact-hours__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hours__bg img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .contact-hours__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 47, 51, 0.88), rgba(11, 27, 43, 0.97));
}

.page-contact .contact-hours__inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hours__grid {
  display: grid;
  gap: 32px;
}

.page-contact .contact-hours__copy h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-hours__copy p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-hours__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 18px;
  align-content: start;
}

.page-contact .contact-hours__stats .stat {
  padding-top: 12px;
  border-top: 1px solid var(--c-hair);
}

.page-contact .contact-hours__stats .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(28px, 7vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-contact .contact-hours__stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  padding: 56px 0 60px;
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-flow__intro h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-flow__intro p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-contact .contact-flow__intro .btn {
  margin-top: 22px;
}

.page-contact .contact-flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-flow__step {
  position: relative;
  padding: 0 0 28px 28px;
}

.page-contact .contact-flow__step::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .contact-flow__step::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 26px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(53, 224, 214, 0.45), rgba(53, 224, 214, 0.06));
}

.page-contact .contact-flow__step:last-child {
  padding-bottom: 0;
}

.page-contact .contact-flow__step:last-child::after {
  display: none;
}

.page-contact .contact-flow__step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--cloud);
}

.page-contact .contact-flow__step p {
  margin: 8px 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 过渡斜线 ---------- */
.page-contact .zone-divider {
  margin: 0;
}

/* ---------- 合作洽谈（浅色） ---------- */
.page-contact .contact-partners {
  padding: 54px 0 50px;
}

.page-contact .contact-partners__grid {
  display: grid;
  gap: 34px;
}

.page-contact .contact-partners__main h2,
.page-contact .contact-visit__copy h2,
.page-contact .contact-next__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.6vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--text-dark);
}

.page-contact .contact-partners__main > p {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

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

.page-contact .contact-partners__dirs li {
  padding: 15px 0;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

.page-contact .contact-partners__dirs span {
  display: block;
  margin-bottom: 4px;
  font-weight: 700;
  color: var(--text-dark);
}

.page-contact .contact-partners__side {
  padding: 26px 22px 28px;
  background: #FFFFFF;
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-contact .contact-partners__side h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--text-dark);
}

.page-contact .contact-partners__prep {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-partners__prep li {
  position: relative;
  padding: 11px 0 11px 24px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-contact .contact-partners__prep li:last-child {
  border-bottom: 0;
}

.page-contact .contact-partners__prep li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 1.15em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--cyan-deep);
  transform: rotate(45deg);
}

/* ---------- 办公地址（浅色） ---------- */
.page-contact .contact-visit {
  padding: 10px 0 56px;
}

.page-contact .contact-visit__grid {
  display: grid;
  gap: 28px;
}

.page-contact .contact-visit__frame {
  overflow: hidden;
  background: var(--indigo);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

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

.page-contact .contact-visit__addr {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4vw, 20px);
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--cyan-deep);
  word-break: break-word;
}

.page-contact .contact-visit__copy > p {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.page-contact .contact-visit__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-visit__list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-contact .contact-visit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15em;
  width: 9px;
  height: 2px;
  background: var(--cyan-deep);
}

.page-contact .contact-visit__icp {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
}

/* ---------- 延伸阅读 ---------- */
.page-contact .contact-next {
  padding: 8px 0 64px;
}

.page-contact .contact-next__grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .contact-next__link {
  display: block;
  padding: 22px 20px 24px;
  background: #FFFFFF;
  box-shadow: inset 0 0 0 1px var(--line);
  text-decoration: none;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .contact-next__link:hover,
.page-contact .contact-next__link:focus-visible {
  background: #EAFBF9;
  box-shadow: inset 0 0 0 1px var(--cyan-deep);
}

.page-contact .contact-next__link .eyebrow {
  color: var(--cyan-deep);
}

.page-contact .contact-next__link h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--text-dark);
}

.page-contact .contact-next__link p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-partners__dirs li {
    display: grid;
    grid-template-columns: 7.5em minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

  .page-contact .contact-partners__dirs span {
    margin-bottom: 0;
  }

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

@media (min-width: 860px) {
  .page-contact .contact-intro {
    padding: 40px 0 58px;
  }

  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
    align-items: start;
    gap: 40px;
  }

  .page-contact .contact-channels {
    grid-template-columns: 1.15fr 1fr 0.95fr;
    gap: 20px;
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
    align-items: start;
    gap: 48px;
  }

  .page-contact .contact-hours__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 52px;
  }

  .page-contact .contact-partners__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 48px;
  }

  .page-contact .contact-visit__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: center;
    gap: 44px;
  }

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

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