.page-contact {
  --ct-gap: clamp(16px, 2.4vw, 28px);
  --ct-pad: clamp(20px, 3.6vw, 44px);
  --ct-sec-gap: clamp(44px, 6vw, 88px);
  background:
    radial-gradient(1000px 520px at 84% -10%, rgba(26, 92, 255, 0.28), transparent 62%),
    radial-gradient(760px 440px at 6% 14%, rgba(0, 224, 198, 0.12), transparent 60%),
    linear-gradient(180deg, var(--ink), var(--ink-3));
  color: var(--ice);
  font-family: var(--font-body);
  padding: clamp(18px, 3vw, 34px) 0 clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(10px, 2vw, 22px);
}

.page-contact .ct-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-hero-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-contact .ct-hero-title em {
  font-style: normal;
  color: var(--cyan);
  display: inline-block;
}

.page-contact .ct-hero-lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .ct-hero-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-fact {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .ct-fact .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

/* ---------- 联系卡 ---------- */
.page-contact .ct-card {
  position: relative;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-2), #08182f 72%);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .ct-card-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  display: block;
}

.page-contact .ct-card-body {
  position: relative;
  z-index: 1;
  padding: var(--ct-pad);
}

.page-contact .ct-card-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-contact .ct-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-mail {
  margin: 8px 0 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 3.2vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ice);
  word-break: break-all;
}

.page-contact .ct-copy,
.page-contact .ct-copy-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .ct-copy {
  background: var(--gold);
  color: var(--gold-ink);
  border: 2px solid var(--gold);
}

.page-contact .ct-copy:hover {
  transform: translate(-1px, -1px);
  background: #ffc46b;
  border-color: #ffc46b;
}

.page-contact .ct-copy-sm {
  min-height: 34px;
  padding: 0 12px;
  font-size: 11px;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--line);
}

.page-contact .ct-copy-sm:hover {
  border-color: var(--gold);
  background: rgba(255, 181, 71, 0.1);
}

.page-contact .ct-rows {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-row-label {
  flex: 0 0 auto;
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-row-value {
  flex: 1 1 180px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .ct-card-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-sec {
  margin-top: var(--ct-sec-gap);
}

.page-contact .ct-sec-head {
  max-width: 72ch;
}

.page-contact .ct-sec-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ice);
}

.page-contact .ct-sec-lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-sub-title {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.3;
  color: var(--ice);
}

.page-contact .lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 企业入口 ---------- */
.page-contact .ct-enterprise {
  position: relative;
  padding: var(--ct-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(11, 30, 58, 0.96), rgba(6, 18, 37, 0.96)),
    var(--ink);
}

.page-contact .ct-enterprise::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--cyan) 55%, var(--gold));
}

.page-contact .ct-media {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-contact .ct-media img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
}

.page-contact .ct-media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ct-access {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-access-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius);
  background: rgba(26, 92, 255, 0.07);
}

.page-contact .ct-access-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--link);
}

.page-contact .ct-access-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ice);
}

.page-contact .ct-access-text {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* 三步流程 */
.page-contact .ct-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 3.4vw, 36px);
}

.page-contact .ct-flow-node {
  position: relative;
  z-index: 1;
  padding: 16px 18px 18px 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
}

.page-contact .ct-flow-dot {
  position: absolute;
  left: 16px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 224, 198, 0.16);
}

.page-contact .ct-flow-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  line-height: 1.3;
  color: var(--ice);
}

.page-contact .ct-flow-text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* 终端矩阵 */
.page-contact .ct-terms {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .ct-term {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  min-height: 76px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0, 224, 198, 0.05);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-contact .ct-term:hover {
  border-color: var(--cyan);
  background: rgba(0, 224, 198, 0.12);
  transform: translateY(-2px);
}

.page-contact .ct-term-code {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--link);
}

.page-contact .ct-term-name {
  font-size: 13px;
  line-height: 1.35;
  color: var(--ice);
}

/* 检查项 */
.page-contact .ct-checks {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .ct-check {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-check strong {
  color: var(--ice);
  font-weight: 700;
}

.page-contact .ct-check-mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  display: grid;
  place-items: center;
  border: 2px solid var(--gold);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
}

/* ---------- 咨询流程折叠 ---------- */
.page-contact .ct-steps {
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-step {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow: hidden;
}

.page-contact .ct-step[open] {
  border-color: var(--cyan);
}

.page-contact .ct-step-sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.45;
  color: var(--ice);
}

.page-contact .ct-step-sum::-webkit-details-marker {
  display: none;
}

.page-contact .ct-step-num {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-contact .ct-step-body {
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-step-body p {
  margin: 0;
}

/* ---------- 邮件写法 ---------- */
.page-contact .ct-mail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .ct-mail-left {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(91, 59, 255, 0.12);
}

.page-contact .ct-title-format {
  display: inline-block;
  margin: 12px 0 0;
  padding: 8px 14px;
  background: var(--gold);
  color: var(--gold-ink);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 2.8vw, 24px);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.page-contact .ct-mail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-contact .ct-mail-right {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-contact .ct-mail-list {
  margin: 14px 0 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .ct-mail-list li {
  margin-bottom: 10px;
}

.page-contact .ct-mail-list strong {
  color: var(--ice);
}

.page-contact .ct-mail-tip {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 地址 ---------- */
.page-contact .ct-visit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: center;
}

.page-contact .ct-grid-map {
  position: relative;
  aspect-ratio: 4 / 3;
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(var(--line) 1px, transparent 1px) 0 0 / 100% 40px,
    linear-gradient(90deg, var(--line) 1px, transparent 1px) 0 0 / 40px 100%,
    linear-gradient(160deg, var(--ink-2), var(--ink));
  overflow: hidden;
}

.page-contact .ct-grid-map::before {
  content: "";
  position: absolute;
  left: 24%;
  top: 36%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 7px rgba(255, 181, 71, 0.18);
}

.page-contact .ct-grid-map::after {
  content: "";
  position: absolute;
  left: 24%;
  top: 36%;
  width: 62%;
  height: 2px;
  transform: translateY(7px) rotate(-14deg);
  transform-origin: left center;
  background: linear-gradient(90deg, rgba(0, 224, 198, 0.9), rgba(26, 92, 255, 0.5) 60%, transparent);
}

.page-contact .ct-visit-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px dashed var(--line);
}

.page-contact .ct-visit-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-visit-key {
  flex: 0 0 auto;
  min-width: 56px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-visit-val {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ice);
  overflow-wrap: anywhere;
}

/* ---------- 快捷卡 ---------- */
.page-contact .ct-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-faq-card {
  display: block;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--ink-2);
  color: var(--ice);
  text-decoration: none;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .ct-faq-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: #0e2545;
}

.page-contact .ct-faq-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .ct-faq-q {
  display: block;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .ct-faq-a {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .ct-rhythm-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: var(--radius);
  background: rgba(26, 92, 255, 0.08);
}

.page-contact .ct-rhythm-item:nth-child(2) {
  border-top-color: var(--cyan);
  background: rgba(0, 224, 198, 0.07);
}

.page-contact .ct-rhythm-item:nth-child(3) {
  border-top-color: var(--gold);
  background: rgba(255, 181, 71, 0.07);
}

.page-contact .ct-rhythm-time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--ice);
}

.page-contact .ct-rhythm-item h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  line-height: 1.3;
  color: var(--ice);
}

.page-contact .ct-rhythm-item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ct-rhythm-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--mist);
}

.page-contact .ct-rhythm-note a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-rhythm-note a:hover {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-terms {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-contact .ct-faq {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-contact .ct-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-rhythm-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    position: relative;
  }

  .page-contact .ct-flow::before {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    top: 26px;
    height: 2px;
    background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 15px);
    z-index: 0;
  }

  .page-contact .ct-access {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .ct-visit {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3.4vw, 48px);
  }

  .page-contact .ct-mail-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(24px, 3.4vw, 40px);
  }
}

@media (min-width: 920px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(26px, 3.4vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-copy-sm,
  .page-contact .ct-term,
  .page-contact .ct-faq-card {
    transition: none;
  }

  .page-contact .ct-copy:hover,
  .page-contact .ct-copy-sm:hover,
  .page-contact .ct-term:hover,
  .page-contact .ct-faq-card:hover {
    transform: none;
  }
}