.page-contact {
  --ct-gap: clamp(1rem, 3vw, 1.75rem);
  --ct-section-pad: clamp(2.75rem, 7vw, 5.5rem);
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

.page-contact .contact-crumb {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- hero ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -12% -18% auto -18%;
  height: 128%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(52% 46% at 78% 10%, rgba(139, 92, 246, 0.20), transparent 68%),
    radial-gradient(46% 42% at 6% 2%, rgba(214, 168, 75, 0.16), transparent 70%),
    radial-gradient(40% 38% at 94% 66%, rgba(61, 187, 255, 0.10), transparent 72%);
}

.page-contact .contact-hero__grid {
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.6vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0.55rem 0 1rem;
}

.page-contact .contact-hero__intro {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 34em;
  margin: 0;
}

.page-contact .contact-hero__channels {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--line-gold);
  background: var(--line-soft);
}

.page-contact .channel-block {
  background: rgba(11, 11, 15, 0.78);
  padding: clamp(1rem, 2.6vw, 1.35rem) clamp(1rem, 2.8vw, 1.5rem);
  display: grid;
  gap: 0.35rem;
}

.page-contact .channel-block__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rock);
}

.page-contact .channel-block__value {
  margin: 0;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--gold-soft);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-contact .channel-block__note {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--text-mute);
}

/* ---------- service clock ---------- */

.page-contact .contact-clock__card {
  border: 1px solid var(--line-soft);
  background: linear-gradient(158deg, rgba(26, 27, 32, 0.96), rgba(16, 17, 23, 0.96));
  padding: clamp(1.15rem, 3vw, 1.9rem);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-clock__status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.page-contact .contact-clock__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(61, 187, 255, 0.16);
  animation: ct-pulse 2.4s ease-in-out infinite;
}

@keyframes ct-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.86); }
}

.page-contact .contact-clock__big {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1.1;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-contact .contact-clock__sub {
  margin: 0.6rem 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute);
}

.page-contact .contact-clock__scale {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0 0 0 1.1rem;
  border-left: 1px solid var(--line-gold);
  display: grid;
  gap: 0.95rem;
}

.page-contact .contact-clock__tick {
  position: relative;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .contact-clock__tick .num {
  color: var(--gold);
  margin-right: 0.45rem;
}

.page-contact .contact-clock__tick::before {
  content: "";
  position: absolute;
  left: -1.32rem;
  top: 0.52rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--gold);
}

.page-contact .contact-clock__foot {
  margin: 1.3rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- three paths ---------- */

.page-contact .contact-paths {
  padding: 0 0 var(--ct-section-pad);
}

.page-contact .path-list {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line-gold);
}

.page-contact .path-item {
  display: grid;
  gap: 0.45rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--line-soft);
  transition: border-color 220ms var(--ease);
}

.page-contact .path-item:hover {
  border-bottom-color: var(--line-gold);
}

.page-contact .path-item__index {
  font-size: var(--fs-12);
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-contact .path-item__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--paper);
}

.page-contact .path-item__for {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .path-item__value {
  margin: 0.35rem 0 0;
  font-size: clamp(1rem, 2.4vw, 1.18rem);
  color: var(--gold-soft);
  overflow-wrap: anywhere;
}

.page-contact .path-item__time {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--text-mute);
}

/* ---------- promise ---------- */

.page-contact .promise {
  padding: var(--ct-section-pad) 0;
  background: linear-gradient(180deg, transparent, rgba(26, 27, 32, 0.62) 38%, transparent);
}

.page-contact .promise__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-contact .promise__title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4.2vw, 2.35rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .promise__text {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 36em;
}

.page-contact .promise__stats {
  list-style: none;
  margin: clamp(1.4rem, 4vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-contact .promise__stat {
  background: rgba(16, 17, 23, 0.72);
  padding: 0.95rem 1.1rem;
}

.page-contact .promise__num {
  display: block;
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  line-height: 1.15;
  color: var(--gold-soft);
}

.page-contact .promise__label {
  display: block;
  margin-top: 0.3rem;
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--text-mute);
}

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

.page-contact .promise__media .media-frame {
  border: 1px solid var(--line-gold);
}

.page-contact .promise__media .figure-caption {
  margin-top: 0.7rem;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--text-mute);
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- chongqing ---------- */

.page-contact .chongqing {
  padding: var(--ct-section-pad) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .chongqing__stage {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .chongqing__media {
  border: 1px solid var(--line-soft);
}

.page-contact .chongqing__card {
  position: relative;
  z-index: 2;
  margin: -2.75rem 0 0 clamp(0px, 4vw, 2.5rem);
  max-width: 27rem;
  padding: clamp(1.15rem, 3vw, 1.85rem);
  border: 1px solid var(--line-gold);
  background: linear-gradient(158deg, rgba(26, 27, 32, 0.97), rgba(11, 11, 15, 0.98));
  box-shadow: var(--shadow-soft);
}

.page-contact .chongqing__label {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.22em;
  color: var(--rock);
}

.page-contact .chongqing__address {
  margin: 0.5rem 0 0.9rem;
  font-size: clamp(1rem, 2.6vw, 1.25rem);
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .chongqing__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .chongqing__list li {
  padding-left: 0.95rem;
  position: relative;
}

.page-contact .chongqing__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 5px;
  height: 5px;
  background: var(--moss);
}

.page-contact .chongqing__note {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-mute);
}

/* ---------- brief / details ---------- */

.page-contact .brief {
  padding: 0 0 var(--ct-section-pad);
}

.page-contact .brief__item {
  border-top: 1px solid var(--line-soft);
}

.page-contact .brief__item:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .brief__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  padding: 1.15rem 2rem 1.15rem 0;
  position: relative;
  font-family: var(--font-serif);
  font-size: var(--fs-18);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: color 200ms var(--ease);
}

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

.page-contact .brief__summary::after {
  content: "＋";
  position: absolute;
  right: 0.2rem;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--gold);
  transition: transform 220ms var(--ease);
}

.page-contact .brief__item[open] .brief__summary::after {
  content: "－";
}

.page-contact .brief__summary:hover {
  color: var(--gold-soft);
}

.page-contact .brief__hint {
  font-family: var(--font-body);
  font-size: var(--fs-12);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--rock);
}

.page-contact .brief__panel {
  padding: 0 0 1.4rem;
}

.page-contact .brief__lead {
  margin: 0 0 0.85rem;
  max-width: 44em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .brief__lead a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 187, 255, 0.4);
}

.page-contact .brief__lead a:hover {
  border-bottom-color: var(--blue);
}

.page-contact .brief__check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  max-width: 46em;
}

.page-contact .brief__check li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .brief__check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42rem;
  width: 9px;
  height: 9px;
  border: 1px solid var(--gold);
  background: rgba(214, 168, 75, 0.08);
}

.page-contact .brief__tail {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  max-width: 46em;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text-mute);
}

.page-contact .brief__tail a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 187, 255, 0.4);
}

.page-contact .brief__tail a:hover {
  border-bottom-color: var(--blue);
}

/* ---------- faq ---------- */

.page-contact .contact-faq {
  padding: 0 0 var(--ct-section-pad);
}

/* ---------- closing ---------- */

.page-contact .contact-close {
  border-top: 1px solid var(--line-gold);
  background:
    radial-gradient(60% 120% at 88% 0%, rgba(139, 92, 246, 0.16), transparent 70%),
    radial-gradient(50% 110% at 4% 100%, rgba(214, 168, 75, 0.12), transparent 72%);
  padding: clamp(2.25rem, 6vw, 4rem) 0 clamp(2.75rem, 7vw, 4.5rem);
}

.page-contact .contact-close__inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-contact .contact-close__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4.4vw, 2.35rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .contact-close__text {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .contact-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- responsive ---------- */

@media (min-width: 560px) {
  .page-contact .contact-hero__channels {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .promise__stats {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 760px) {
  .page-contact .path-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(1.25rem, 3vw, 2.5rem);
  }

  .page-contact .path-item {
    padding: 1.6rem 0 1.9rem;
    border-bottom: 1px solid var(--line-soft);
  }

  .page-contact .chongqing__card {
    margin-top: -4.5rem;
    margin-left: clamp(1rem, 5vw, 4rem);
  }

  .page-contact .contact-close__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2rem;
  }
}

@media (min-width: 1000px) {
  .page-contact .promise__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-contact .chongqing__card {
    margin-top: -6rem;
    margin-left: clamp(2rem, 7vw, 6rem);
  }

  .page-contact .contact-clock {
    margin-top: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-clock__dot {
    animation: none;
  }

  .page-contact .brief__summary,
  .page-contact .path-item {
    transition: none;
  }
}