.page-contact {
  --pc-cut: 20px;
  --pc-section-pad: clamp(48px, 7vw, 88px);
  --pc-hair: rgba(92, 107, 120, 0.22);
}

/* ---------- HERO ---------- */
.page-contact .contact-hero {
  position: relative;
  background: linear-gradient(155deg, #1B6FD1 0%, #1559A8 50%, #0A5A66 100%);
  color: #ffffff;
  padding: clamp(26px, 4.5vw, 52px) 0 0;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.07) 0 2px, transparent 2px 28px);
  pointer-events: none;
}

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

.page-contact .contact-hero .breadcrumb,
.page-contact .contact-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.82);
}

.page-contact .contact-hero .eyebrow {
  color: #F2A93B;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .contact-hero h1 {
  color: #ffffff;
  max-width: 17ch;
  margin: 12px 0 0;
  text-shadow: 0 2px 18px rgba(10, 90, 102, 0.35);
}

.page-contact .contact-hero__lede {
  color: rgba(255, 255, 255, 0.92);
  max-width: 58ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
}

.page-contact .contact-hero__tags {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__tags .tag {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.page-contact .contact-hero__tags .tag--gold {
  background: #F2A93B;
  color: #141A1F;
  border-color: #F2A93B;
}

.page-contact .contact-hero__banner {
  position: relative;
  margin: clamp(28px, 4.5vw, 52px) auto 0;
  max-width: 1400px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), calc(100% - 44px) 100%, 0 100%);
}

.page-contact .contact-hero__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1400 / 520;
}

/* ---------- SECTION BASE ---------- */
.page-contact .section {
  padding: var(--pc-section-pad) 0;
}

.page-contact .contact-head {
  max-width: 62ch;
}

.page-contact .contact-head__lede {
  color: var(--gray);
  margin: 12px 0 0;
  line-height: 1.75;
}

.page-contact .contact-head--dark .eyebrow {
  color: #F2A93B;
}

.page-contact .contact-head--dark h2 {
  color: #ffffff;
}

.page-contact .contact-head--dark .contact-head__lede {
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 客服通道 ---------- */
.page-contact .contact-channels {
  background: var(--cloud);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-contact .channel {
  position: relative;
  background: #ffffff;
  padding: clamp(22px, 3vw, 30px);
  clip-path: polygon(0 0,
      calc(100% - var(--pc-cut)) 0,
      100% var(--pc-cut),
      100% 100%,
      var(--pc-cut) 100%,
      0 calc(100% - var(--pc-cut)));
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .channel:hover,
.page-contact .channel:focus-within {
  transform: translateY(-2px);
  background: var(--dawn);
}

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

.page-contact .channel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
  background: var(--lake);
  box-shadow: 0 0 0 4px rgba(15, 163, 163, 0.18);
}

.page-contact .channel--phone .channel__dot {
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(242, 169, 59, 0.24);
}

.page-contact .channel__label {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-contact .channel__value {
  margin: 14px 0 12px;
  font-size: clamp(19px, 2.6vw, 24px);
  line-height: 1.35;
  color: var(--ink);
  word-break: break-all;
  letter-spacing: 0.01em;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .channel__meta {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-hair);
  display: grid;
  gap: 10px;
}

.page-contact .channel__meta > div {
  display: flex;
  gap: 14px;
  align-items: baseline;
  flex-wrap: wrap;
}

.page-contact .channel__meta dt {
  flex: none;
  width: 72px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-contact .channel__meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 问题反馈 ---------- */
.page-contact .contact-feedback {
  background: #ffffff;
}

.page-contact .contact-feedback__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.page-contact .feedback-list {
  list-style: none;
  counter-reset: pc-fb;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-contact .feedback-list li {
  counter-increment: pc-fb;
  position: relative;
  padding: 16px 0 16px 46px;
  border-top: 1px solid var(--pc-hair);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .feedback-list li:last-child {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .feedback-list li::before {
  content: counter(pc-fb, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lake);
}

.page-contact .feedback-list strong {
  color: var(--sky-deep);
  font-weight: 700;
}

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

.page-contact .contact-feedback__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 880 / 620;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-contact .contact-feedback__media .media__caption {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

/* ---------- 内容合作 ---------- */
.page-contact .contact-coop {
  background: var(--deep);
  color: #ffffff;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .coop-card {
  background: rgba(255, 255, 255, 0.06);
  border-left: 2px solid var(--gold);
  padding: 24px 22px;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.page-contact .coop-card__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .coop-card__title {
  margin: 12px 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
}

.page-contact .coop-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 处理节奏 ---------- */
.page-contact .contact-flow {
  background: var(--dawn);
}

.page-contact .flow-track {
  margin-top: clamp(24px, 3.5vw, 36px);
  color: rgba(27, 111, 209, 0.4);
}

.page-contact .flow-track svg {
  display: block;
  width: 100%;
  height: 36px;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .flow-step {
  background: #ffffff;
  padding: 22px 22px 24px;
  clip-path: polygon(0 0,
      calc(100% - var(--pc-cut)) 0,
      100% var(--pc-cut),
      100% 100%,
      var(--pc-cut) 100%,
      0 calc(100% - var(--pc-cut)));
}

.page-contact .flow-step__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--sky);
}

.page-contact .flow-step__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .flow-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--deep);
}

/* ---------- 服务地址与备案 ---------- */
.page-contact .contact-facts {
  background: #ffffff;
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-contact .facts-list {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .facts-list > div {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .facts-list dt {
  flex: none;
  min-width: 92px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-contact .facts-list dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .facts-list dd.mono {
  color: var(--deep);
}

.page-contact .facts-hint {
  margin: clamp(22px, 3vw, 30px) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray);
}

.page-contact .facts-hint a {
  color: var(--sky-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-contact .facts-hint a:hover,
.page-contact .facts-hint a:focus-visible {
  color: var(--gold);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-contact .flow-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-feedback__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-contact .facts-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 56px;
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__inner {
    padding-bottom: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .coop-card,
  .page-contact .facts-hint a {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .channel:focus-within,
  .page-contact .coop-card:hover,
  .page-contact .coop-card:focus-within {
    transform: none;
  }
}