.page-contact {
  background: var(--cream-100);
  color: var(--ink-900);
}

/* ===== 首屏 ===== */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--cream-100);
  padding: clamp(36px, 6vw, 64px) 0 clamp(48px, 8vw, 88px);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: auto -18% -48% 42%;
  height: 460px;
  background: radial-gradient(circle at 32% 34%, rgba(217, 174, 75, 0.26), rgba(217, 174, 75, 0) 68%);
  pointer-events: none;
}

.page-contact .pc-hero > .bb-container {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero .bb-breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .pc-hero .bb-breadcrumb__link {
  color: var(--celadon-200);
  text-decoration: none;
}

.page-contact .pc-hero .bb-breadcrumb__link:hover {
  color: var(--gold-500);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .pc-hero .bb-breadcrumb__sep,
.page-contact .pc-hero .bb-breadcrumb__current {
  color: rgba(247, 244, 237, 0.6);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
}

.page-contact .pc-hero__main .bb-eyebrow {
  color: var(--gold-500);
}

.page-contact .pc-hero__main .bb-title-lg {
  color: var(--cream-100);
  margin: 10px 0 0;
}

.page-contact .pc-hero__main .bb-lead {
  color: rgba(247, 244, 237, 0.74);
  margin: clamp(16px, 2.4vw, 22px) 0 0;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 34px);
}

.page-contact .pc-hero__panel {
  margin: 0;
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(223, 231, 240, 0.2);
  border-radius: var(--radius-l);
  background: rgba(22, 48, 76, 0.62);
  backdrop-filter: blur(2px);
}

.page-contact .pc-hero__row {
  display: grid;
  gap: 6px;
}

.page-contact .pc-hero__row + .pc-hero__row {
  padding-top: 18px;
  border-top: 1px dashed rgba(223, 231, 240, 0.18);
}

.page-contact .pc-hero__row dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon-200);
}

.page-contact .pc-hero__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream-100);
  word-break: break-word;
}

.page-contact .pc-hero__row dd.pc-numline {
  font-family: var(--font-num);
  font-size: clamp(15px, 1.8vw, 17px);
  letter-spacing: 0.02em;
  color: var(--gold-500);
  word-break: break-all;
}

/* ===== 问题类型卡 ===== */
.page-contact .pc-paths {
  padding-top: clamp(48px, 7vw, 84px);
}

.page-contact .pc-pathmap {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--mist-200);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-100);
}

.page-contact .pc-pathmap img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .pc-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(22px, 3.2vw, 34px);
}

.page-contact .pc-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 26px);
  border: 1px solid var(--mist-200);
  border-top: 3px solid var(--pc-accent, var(--ink-500));
  border-radius: var(--radius-m);
  background: #ffffff;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-card--personal { --pc-accent: var(--gold-500); }
.page-contact .pc-card--enterprise { --pc-accent: var(--celadon-600); }
.page-contact .pc-card--billing { --pc-accent: var(--ink-500); }
.page-contact .pc-card--after { --pc-accent: var(--gold-700); }

.page-contact .pc-card__index {
  align-self: flex-start;
  margin: 0;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--cream-100);
  color: var(--mist-600);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-contact .pc-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .pc-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist-600);
}

.page-contact .pc-card__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--mist-200);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-700);
}

.page-contact .pc-card__meta span {
  display: block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist-600);
}

/* ===== 渠道 + 邮件模板 ===== */
.page-contact .pc-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 40px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .pc-channels {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .pc-channel {
  padding: 16px 18px;
  border: 1px solid var(--mist-200);
  border-left: 3px solid var(--celadon-600);
  border-radius: var(--radius-s);
  background: #ffffff;
}

.page-contact .pc-channel--gold {
  border-left-color: var(--gold-500);
}

.page-contact .pc-channel--plain {
  border-left-color: var(--ink-500);
}

.page-contact .pc-channel__label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist-600);
}

.page-contact .pc-channel__value {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(15px, 1.7vw, 17px);
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--ink-900);
  text-decoration: none;
  word-break: break-all;
}

.page-contact a.pc-channel__value:hover,
.page-contact a.pc-channel__value:focus-visible {
  color: var(--gold-700);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .pc-channel__value--text {
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0;
  line-height: 1.7;
  word-break: break-word;
}

.page-contact .pc-channel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--mist-600);
}

.page-contact .pc-mailcard {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--celadon-200);
  border-radius: var(--radius-l);
  background: var(--celadon-50);
}

.page-contact .pc-mailcard__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .pc-mailcard__head h3 {
  margin: 0;
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .bb-copy {
  flex: none;
  padding: 8px 16px;
  border: 1px solid var(--celadon-600);
  border-radius: 999px;
  background: #ffffff;
  color: var(--celadon-600);
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .bb-copy:hover,
.page-contact .bb-copy:focus-visible {
  background: var(--celadon-600);
  color: #ffffff;
}

.page-contact .bb-copy[data-copied] {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--ink-900);
}

.page-contact .pc-mailcard__body {
  margin: 0;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px dashed var(--celadon-600);
  border-radius: var(--radius-m);
  background: #ffffff;
  color: var(--ink-700);
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.02em;
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-contact .pc-mailcard__body code {
  font-family: inherit;
  white-space: pre-wrap;
  word-break: break-word;
}

.page-contact .pc-mailcard__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-contact .pc-mailcard__note strong {
  color: var(--gold-700);
}

/* ===== 企业客户 ===== */
.page-contact .pc-enterprise .bb-title-lg,
.page-contact .pc-enterprise .bb-section-head .bb-title-lg {
  color: var(--cream-100);
}

.page-contact .pc-enterprise .bb-eyebrow {
  color: var(--gold-500);
}

.page-contact .pc-enterprise .bb-text {
  color: rgba(247, 244, 237, 0.74);
}

.page-contact .pc-steps {
  counter-reset: pc-step;
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 20px);
}

.page-contact .pc-steps li {
  counter-increment: pc-step;
  padding: 22px 20px;
  border: 1px solid rgba(223, 231, 240, 0.18);
  border-radius: var(--radius-m);
  background: rgba(223, 231, 240, 0.06);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .pc-steps li:hover {
  border-color: var(--gold-500);
  background: rgba(217, 174, 75, 0.09);
}

.page-contact .pc-steps li::before {
  content: "0" counter(pc-step);
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold-500);
}

.page-contact .pc-steps__title {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream-100);
}

.page-contact .pc-steps__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 244, 237, 0.7);
}

.page-contact .pc-billnote {
  margin-top: clamp(24px, 3.4vw, 36px);
  padding: clamp(20px, 2.6vw, 26px);
  border-left: 3px solid var(--celadon-600);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: rgba(62, 124, 107, 0.14);
}

.page-contact .pc-billnote__title {
  margin: 0 0 14px;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--celadon-200);
}

.page-contact .pc-billnote__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .pc-billnote__list li {
  padding: 7px 14px;
  border: 1px solid rgba(169, 207, 194, 0.45);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--cream-100);
}

/* ===== 杭州到访 ===== */
.page-contact .pc-hangzhou {
  background: var(--cream-100);
}

.page-contact .pc-hangzhou__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-contact .pc-hangzhou__fig {
  margin: 0;
}

.page-contact .pc-hangzhou__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--mist-200);
  border-radius: var(--radius-l);
  background: #ffffff;
}

.page-contact .pc-hangzhou__fig figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-600);
}

.page-contact .pc-hangzhou__text .bb-title-lg {
  margin: 10px 0 0;
}

.page-contact .pc-hangzhou__text .bb-text {
  margin: clamp(14px, 2vw, 20px) 0 0;
}

.page-contact .pc-hangzhou__list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-hangzhou__list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--mist-200);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-contact .pc-hangzhou__list span {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--celadon-600);
}

.page-contact .pc-hangzhou__text .bb-btn {
  margin-top: clamp(20px, 3vw, 28px);
}

/* ===== 折叠问答 ===== */
.page-contact .pc-qa {
  background: #ffffff;
}

.page-contact .bb-faq {
  margin-top: clamp(24px, 3.6vw, 38px);
  border-top: 1px solid var(--mist-200);
}

.page-contact .bb-faq__item {
  border-bottom: 1px solid var(--mist-200);
}

.page-contact .bb-faq__q {
  position: relative;
  display: block;
  padding: 18px 44px 18px 0;
  font-size: clamp(16px, 1.9vw, 17px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
}

.page-contact .bb-faq__q::-webkit-details-marker {
  display: none;
}

.page-contact .bb-faq__q::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 14px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--gold-500);
  border-bottom: 2px solid var(--gold-500);
  transform: translateY(-72%) rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-contact .bb-faq__item[open] .bb-faq__q::after {
  transform: translateY(-28%) rotate(-135deg);
}

.page-contact .bb-faq__q:hover {
  color: var(--gold-700);
}

.page-contact .bb-faq__a {
  padding: 0 0 20px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist-600);
}

.page-contact .bb-faq__a p {
  margin: 0 0 10px;
}

.page-contact .bb-faq__a p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-qa__foot {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px solid var(--mist-200);
  border-radius: var(--radius-l);
  background: var(--cream-100);
  display: grid;
  gap: 16px;
}

.page-contact .pc-qa__foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-700);
}

.page-contact .pc-qa__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== 响应式 ===== */
@media (min-width: 620px) {
  .page-contact .pc-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-contact .pc-pathmap img {
    aspect-ratio: 16 / 9;
  }

  .page-contact .pc-billnote__list {
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-pair {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-contact .pc-hangzhou__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  }

  .page-contact .pc-hangzhou__fig {
    order: -1;
  }

  .page-contact .pc-qa__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, 1fr);
    align-items: end;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-cards {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (max-width: 719px) {
  .page-contact .pc-pathmap img {
    aspect-ratio: 4 / 3;
  }

  .page-contact .pc-qa__actions .bb-btn {
    flex: 1 1 100%;
    text-align: center;
  }
}