.page-contact {
  --ct-pad: clamp(18px, 3.6vw, 44px);
  --ct-sec-gap: clamp(44px, 6vw, 84px);
  --ct-neon-soft: rgba(62, 232, 214, 0.09);
  --ct-amber-soft: rgba(246, 184, 74, 0.16);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  margin: 18px 0 4px;
}

/* ---------- 首屏联系卡 ---------- */
.page-contact .ct-hero {
  padding: 6px 0 clamp(24px, 4vw, 50px);
}

.page-contact .contact-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(155deg, rgba(43, 30, 85, 0.88) 0%, rgba(11, 22, 48, 0.97) 48%, rgba(5, 10, 24, 1) 100%);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(130deg, var(--neon) 0%, rgba(62, 232, 214, 0) 36%, rgba(246, 184, 74, 0) 62%, var(--amber) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0.72;
}

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

.page-contact .contact-card__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}

.page-contact .contact-card__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 24, 0.5) 0%, rgba(5, 10, 24, 0.86) 68%, rgba(5, 10, 24, 0.96) 100%);
}

.page-contact .contact-card__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  padding: var(--ct-pad);
  grid-template-columns: 1fr;
}

.page-contact .contact-card__left {
  min-width: 0;
}

.page-contact .contact-card__left h1 {
  margin: 10px 0 16px;
  font-family: var(--font-head);
  font-size: clamp(28px, 4.4vw, 50px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.page-contact .ct-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 9px;
  height: 1px;
  background: var(--neon);
}

.page-contact .ct-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 26px 0 0;
  padding: 8px 15px;
  border: 1px solid rgba(62, 232, 214, 0.32);
  border-radius: 999px;
  background: var(--ct-neon-soft);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-contact .ct-status__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(62, 232, 214, 0.18);
}

.page-contact .contact-card__right {
  position: relative;
  min-width: 0;
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(26, 17, 54, 0.6);
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .contact-card__right::after {
  content: "";
  position: absolute;
  right: 9px;
  bottom: 9px;
  width: 20px;
  height: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
}

.page-contact .contact-card__cap {
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.page-contact .channel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 14px;
  min-width: 0;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(11, 22, 48, 0.94), rgba(26, 17, 54, 0.72));
  transition: border-color var(--ease), background var(--ease);
}

.page-contact .channel:hover {
  border-color: rgba(62, 232, 214, 0.42);
}

.page-contact .channel--static:hover {
  border-color: var(--line);
}

.page-contact .channel__meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-contact .channel__label {
  font-size: 12px;
  color: var(--steel);
  letter-spacing: 0.06em;
}

.page-contact .channel__value {
  font-size: 15px;
  color: var(--frost);
  overflow-wrap: anywhere;
}

.page-contact .copy-chip {
  flex: none;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--steel);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease), box-shadow var(--ease);
}

.page-contact .copy-chip:hover {
  color: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 2px var(--ct-amber-soft);
}

.page-contact .copy-chip.is-copied {
  color: var(--neon);
  border-color: var(--neon);
  box-shadow: 0 0 0 2px rgba(62, 232, 214, 0.2);
}

.page-contact .copy-status {
  margin: 0;
  min-height: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neon);
}

.page-contact .contact-card__note {
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

@media (min-width: 900px) {
  .page-contact .contact-card__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

/* ---------- 栏目导航 ---------- */
.page-contact .ct-chapnav {
  position: sticky;
  top: var(--topbar-h);
  z-index: 30;
  margin-top: 6px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 10, 24, 0.94);
  backdrop-filter: blur(8px);
}

.page-contact .ct-chapnav__inner {
  display: flex;
  gap: 6px;
  padding-top: 10px;
  padding-bottom: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .ct-chapnav__inner::-webkit-scrollbar {
  display: none;
}

.page-contact .ct-chapnav__link {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--steel);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-contact .ct-chapnav__link .mono {
  font-size: 11px;
  color: var(--steel);
  transition: color var(--ease);
}

.page-contact .ct-chapnav__link:hover {
  color: var(--frost);
  border-color: var(--line);
}

.page-contact .ct-chapnav__link.is-active {
  color: var(--neon);
  border-color: rgba(62, 232, 214, 0.42);
  background: var(--ct-neon-soft);
}

.page-contact .ct-chapnav__link.is-active .mono {
  color: var(--neon);
}

/* ---------- 通用章节 ---------- */
.page-contact .ct-sec {
  padding: var(--ct-sec-gap) 0;
}

.page-contact .ct-sec--violet {
  background: linear-gradient(180deg, rgba(26, 17, 54, 0.74) 0%, rgba(26, 17, 54, 0.28) 62%, rgba(5, 10, 24, 0) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-sec a:not(.btn):not(.faq-card) {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 232, 214, 0.34);
  transition: color var(--ease), border-color var(--ease);
}

.page-contact .ct-sec a:not(.btn):not(.faq-card):hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 联系前准备 ---------- */
.page-contact .prep-list {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .prep-item {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(11, 22, 48, 1), rgba(11, 22, 48, 0.86));
  box-shadow: var(--shadow-panel);
}

.page-contact .prep-item::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 16px;
  height: 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  pointer-events: none;
}

.page-contact .prep-item__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 23px;
  margin-bottom: 14px;
  border: 1px solid rgba(62, 232, 214, 0.4);
  border-radius: 999px;
  font-size: 12px;
  color: var(--neon);
}

.page-contact .prep-item__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .prep-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .prep-item__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--amber);
}

@media (min-width: 860px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- 客服通道卡片 ---------- */
.page-contact .ch-grid {
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-contact .ch-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-contact .ch-card .tag {
  align-self: flex-start;
}

.page-contact .ch-card__title {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 20px);
  font-weight: 700;
  color: var(--frost);
  overflow-wrap: anywhere;
}

.page-contact .ch-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .ch-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  display: grid;
  gap: 9px;
}

.page-contact .ch-card__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ch-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--neon);
  opacity: 0.75;
  transform: rotate(45deg);
}

.page-contact .ch-card .btn {
  margin-top: auto;
}

/* ---------- 确认流程 ---------- */
.page-contact .flow-wrap {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-contact .flow-figure {
  margin: 0;
}

.page-contact .flow-figure .figure__cap {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-contact .flow-list::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 12px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon) 0%, rgba(62, 232, 214, 0.22) 62%, rgba(62, 232, 214, 0) 100%);
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 18px;
  padding-bottom: 26px;
}

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

.page-contact .flow-step__num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  font-size: 13px;
  color: var(--neon);
  box-shadow: 0 0 0 4px rgba(5, 10, 24, 0.9);
}

.page-contact .flow-step__title {
  margin: 6px 0 9px;
  font-size: 19px;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .flow-step__body {
  min-width: 0;
}

.page-contact .flow-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

@media (min-width: 900px) {
  .page-contact .flow-wrap {
    grid-template-columns: 0.92fr 1.08fr;
    align-items: start;
  }

  .page-contact .flow-figure {
    position: sticky;
    top: calc(var(--topbar-h) + 76px);
  }
}

/* ---------- 常见咨询 ---------- */
.page-contact .faq-grid {
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-contact .faq-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(11, 22, 48, 0.96), rgba(26, 17, 54, 0.72));
  text-decoration: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-contact .faq-card:hover {
  border-color: var(--amber);
  box-shadow: 0 0 0 2px var(--ct-amber-soft);
}

.page-contact .faq-card__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-contact .faq-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--frost);
}

.page-contact .faq-card__text {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .faq-card__more {
  font-size: 13px;
  color: var(--amber);
}

/* ---------- 联系地址 ---------- */
.page-contact .addr-band {
  margin-top: clamp(24px, 3.4vw, 38px);
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.page-contact .addr-band__main,
.page-contact .addr-band__side {
  padding: clamp(20px, 2.8vw, 32px);
  background: var(--panel);
}

.page-contact .addr-band__side {
  background: linear-gradient(160deg, var(--violet), rgba(26, 17, 54, 0.7));
}

.page-contact .addr-band__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-contact .addr-band__value {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.5vw, 26px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--frost);
  overflow-wrap: anywhere;
}

.page-contact .addr-band__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

@media (min-width: 820px) {
  .page-contact .addr-band {
    grid-template-columns: 1.35fr 1fr;
  }
}

/* ---------- 主体信息 ---------- */
.page-contact .filing-row {
  margin-top: clamp(24px, 3.4vw, 38px);
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.page-contact .filing-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 15px 18px;
  background: var(--panel);
}

.page-contact .filing-item__key {
  flex: none;
  font-size: 13px;
  color: var(--steel);
  letter-spacing: 0.04em;
}

.page-contact .filing-item__val {
  font-size: 14px;
  color: var(--frost);
  text-align: right;
  overflow-wrap: anywhere;
}

.page-contact .filing-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--steel);
}

@media (min-width: 780px) {
  .page-contact .filing-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 底部信息条 ---------- */
.page-contact .ct-dock {
  position: sticky;
  bottom: 0;
  z-index: 25;
  margin-top: clamp(30px, 5vw, 58px);
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(5, 10, 24, 0.97), rgba(26, 17, 54, 0.97));
  backdrop-filter: blur(8px);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .ct-dock__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 24px;
  padding-top: 13px;
  padding-bottom: 13px;
  font-size: 13px;
}

.page-contact .ct-dock__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  color: var(--frost);
  overflow-wrap: anywhere;
}

.page-contact .ct-dock__key {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 620px) {
  .page-contact .contact-card__right {
    padding: 16px;
  }

  .page-contact .channel {
    padding: 12px 13px;
  }

  .page-contact .channel__value {
    font-size: 14px;
  }

  .page-contact .ct-dock__inner {
    gap: 5px 16px;
    font-size: 12px;
  }

  .page-contact .flow-step {
    grid-template-columns: 34px 1fr;
    gap: 14px;
  }

  .page-contact .flow-step__num {
    width: 34px;
    height: 34px;
    font-size: 12px;
    border-radius: 5px;
  }

  .page-contact .flow-list::before {
    left: 16px;
  }
}