.page-contact {
  --ct-hair: rgba(140, 147, 168, 0.22);
  --ct-card: linear-gradient(162deg, rgba(17, 21, 38, 0.96), rgba(12, 16, 32, 0.92));
  padding-top: calc(var(--header-h) + 22px);
  background:
    radial-gradient(880px 400px at 84% -6%, rgba(139, 92, 246, 0.18), transparent 64%),
    radial-gradient(560px 300px at 4% 10%, rgba(46, 242, 176, 0.09), transparent 62%);
}

.page-contact .breadcrumb {
  margin: 0 0 clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
  align-items: start;
  padding-bottom: clamp(30px, 6vw, 60px);
}

.page-contact .ct-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--mint);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-contact .ct-hero h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-contact .ct-hero h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--purple), var(--mint));
}

.page-contact .ct-hero .lead {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(243, 245, 255, 0.82);
}

.page-contact .ct-status {
  padding: 24px 22px 26px;
  background: var(--ct-card);
  border: 1px solid var(--line-purple);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.page-contact .ct-status-label {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .ct-hours {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--mint);
}

.page-contact .ct-status-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 通道与侧栏 ---------- */
.page-contact .ct-connect {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-connect .section-title {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-contact .ct-connect .section-note {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel);
}

.page-contact .ct-channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .ct-channel {
  position: relative;
  padding: 22px 22px 24px 24px;
  background: var(--ct-card);
  border: 1px solid var(--ct-hair);
  border-left: 3px solid var(--purple);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-contact .ct-channel--phone {
  border-left-color: var(--mint);
}

.page-contact .ct-channel--addr {
  border-left-color: var(--ice);
}

.page-contact .ct-channel:hover {
  transform: translateY(-2px);
  border-color: var(--line-purple);
  box-shadow: 0 14px 34px rgba(7, 9, 15, 0.6);
}

.page-contact .ct-channel-label {
  margin: 0 0 8px;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .ct-channel-value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 22px);
  line-height: 1.45;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel--phone .ct-channel-value {
  color: var(--mint);
}

.page-contact .ct-channel-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(243, 245, 255, 0.74);
}

.page-contact .copy-btn {
  margin-top: 16px;
  padding: 8px 18px;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  color: var(--mint);
  background: rgba(46, 242, 176, 0.08);
  border: 1px solid rgba(46, 242, 176, 0.45);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .copy-btn:hover {
  background: rgba(46, 242, 176, 0.18);
  color: var(--chalk);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-contact .copy-btn[data-copy-state="done"] {
  color: var(--void);
  background: var(--mint);
  border-color: var(--mint);
}

.page-contact .ct-connect-side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .ct-desk {
  margin: 0;
}

.page-contact .ct-desk .media-frame {
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-desk img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .ct-desk .media-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}

.page-contact .ct-side-note-block {
  padding: 20px 20px 22px;
  background: rgba(17, 21, 38, 0.62);
  border-top: 2px solid var(--purple);
  border-right: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
  border-left: 1px solid var(--ct-hair);
}

.page-contact .ct-side-note-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .ct-side-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-side-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(243, 245, 255, 0.74);
}

.page-contact .ct-side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 7px;
  height: 1px;
  background: var(--mint);
}

/* ---------- 问题分类 ---------- */
.page-contact .ct-routes {
  padding-block: clamp(32px, 6vw, 68px);
  border-top: 1px solid var(--ct-hair);
}

.page-contact .ct-routes-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3.5vw, 32px);
}

.page-contact .ct-routes-head .section-title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-contact .ct-routes-head .section-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .ct-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(22px, 3.5vw, 32px);
  padding: 0;
  list-style: none;
}

.page-contact .ct-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 13.5px;
  color: var(--chalk);
  text-decoration: none;
  background: rgba(17, 21, 38, 0.72);
  border: 1px solid var(--ct-hair);
  border-radius: 999px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.page-contact .ct-chip:hover {
  color: var(--mint);
  border-color: rgba(46, 242, 176, 0.6);
  background: rgba(46, 242, 176, 0.08);
}

.page-contact .ct-chip:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-contact .ct-prep-grid {
  display: grid;
  gap: 16px;
}

.page-contact .ct-prep-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 22px;
  background: rgba(17, 21, 38, 0.6);
  border-top: 2px solid var(--purple);
  border-right: 1px solid var(--ct-hair);
  border-bottom: 1px solid var(--ct-hair);
  border-left: 1px solid var(--ct-hair);
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: background 0.25s var(--ease), border-top-color 0.25s var(--ease);
}

.page-contact .ct-prep-card:hover {
  background: rgba(17, 21, 38, 0.84);
}

.page-contact .ct-prep-card:target {
  border-top-color: var(--mint);
  background: rgba(17, 21, 38, 0.9);
}

.page-contact .ct-prep-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-contact .ct-prep-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-contact .ct-prep-intro {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 245, 255, 0.76);
}

.page-contact .ct-prep-label {
  margin: 4px 0 0;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .ct-prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .ct-prep-list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .ct-prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--ice);
}

.page-contact .ct-prep-link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 13.5px;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
  align-self: flex-start;
}

.page-contact .ct-prep-link:hover {
  color: var(--chalk);
  border-bottom-color: var(--mint);
}

.page-contact .ct-prep-link:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- 合作 ---------- */
.page-contact .ct-partner {
  display: grid;
  gap: clamp(20px, 3.5vw, 34px);
  margin-block: clamp(8px, 2vw, 20px);
  padding: clamp(24px, 4.2vw, 42px);
  background: linear-gradient(118deg, rgba(59, 29, 110, 0.82), rgba(17, 21, 38, 0.9) 58%, rgba(12, 16, 32, 0.94));
  border-left: 3px solid var(--purple);
}

.page-contact .ct-partner .section-title {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-contact .ct-partner-text p {
  margin: 0 0 12px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 245, 255, 0.78);
}

.page-contact .ct-partner-text p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-partner-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .ct-partner-points li {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.5;
  color: rgba(243, 245, 255, 0.8);
  background: rgba(7, 9, 15, 0.42);
  border-left: 2px solid var(--mint);
}

.page-contact .ct-partner-points span {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.2;
  color: var(--mint);
}

/* ---------- 地址 ---------- */
.page-contact .ct-address {
  padding-block: clamp(34px, 6vw, 72px);
}

.page-contact .ct-address-inner {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px);
  background: var(--panel-deep);
  border: 1px solid var(--ct-hair);
}

.page-contact .ct-address-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.6) contrast(1.1);
  pointer-events: none;
}

.page-contact .ct-address-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(139, 92, 246, 0.22) 0 1px, transparent 1px 74px),
    repeating-linear-gradient(0deg, rgba(46, 242, 176, 0.14) 0 1px, transparent 1px 58px),
    linear-gradient(180deg, rgba(7, 9, 15, 0.55), rgba(7, 9, 15, 0.85));
}

.page-contact .ct-address-content {
  position: relative;
  max-width: 62ch;
}

.page-contact .ct-address-content .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-contact .ct-address-content .section-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.8vw, 28px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-contact .ct-address-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 245, 255, 0.76);
}

/* ---------- 收束 ---------- */
.page-contact .ct-close {
  padding-block: clamp(20px, 4vw, 36px) clamp(40px, 7vw, 80px);
}

.page-contact .ct-close-inner {
  display: grid;
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid rgba(46, 242, 176, 0.55);
}

.page-contact .ct-close-title {
  margin: 0 0 10px;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-contact .ct-close-text {
  margin: 0 0 12px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 245, 255, 0.76);
}

.page-contact .ct-close-links {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--steel);
}

.page-contact .ct-close-links a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .ct-close-links a:hover {
  color: var(--chalk);
  border-bottom-color: var(--mint);
}

.page-contact .ct-close-links a:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

.page-contact .ct-close-inner .btn {
  justify-self: start;
}

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

  .page-contact .ct-routes-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: clamp(20px, 4vw, 48px);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
    gap: clamp(28px, 4vw, 60px);
  }

  .page-contact .ct-status {
    margin-top: 8px;
  }

  .page-contact .ct-partner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.8fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-connect {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }

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

@media (min-width: 1180px) {
  .page-contact .ct-prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-chip,
  .page-contact .copy-btn,
  .page-contact .ct-prep-card,
  .page-contact .ct-prep-link,
  .page-contact .ct-close-links a {
    transition: none;
  }

  .page-contact .ct-channel:hover {
    transform: none;
  }
}