.page-contact {
  --contact-gap: clamp(16px, 2.6vw, 24px);
  --contact-pad: clamp(20px, 3vw, 32px);
  background: var(--deep);
  color: var(--txt);
  overflow-x: clip;
}

.page-contact .contact-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(14, 110, 115, 0.34), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(255, 106, 42, 0.1), transparent 66%),
    var(--deep);
  padding-bottom: clamp(38px, 6vw, 80px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3.6vw, 38px);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 7vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--mist);
}

.page-contact .contact-hero__lede {
  margin-top: clamp(14px, 2.4vw, 20px);
  max-width: 600px;
  color: var(--txt-dim);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-hero__status {
  margin: 18px 0 0;
}

.page-contact .contact-hero__media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink), var(--night));
  aspect-ratio: 16 / 10;
  box-shadow: 0 30px 70px -45px rgba(0, 0, 0, 0.95);
}

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

.page-contact .contact-hero__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  margin: 0;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(2, 7, 12, 0.58);
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.14em;
}

/* ---------- 联系通道 ---------- */
.page-contact .contact-channels__head {
  max-width: 620px;
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-contact .contact-h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--mist);
}

.page-contact .contact-h2--dark {
  color: var(--deep);
}

.page-contact .contact-channels__grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .contact-tile {
  position: relative;
  overflow: hidden;
  padding: var(--contact-pad);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(170deg, rgba(18, 52, 77, 0.9), rgba(7, 26, 43, 0.92));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-tile:hover {
  transform: translateY(-2px);
  border-color: rgba(95, 199, 201, 0.5);
}

.page-contact .contact-tile--mail::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(95, 199, 201, 0.22), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-tile--phone {
  background: linear-gradient(170deg, rgba(255, 106, 42, 0.16), rgba(7, 26, 43, 0.94) 62%);
}

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

.page-contact .contact-tile__idx {
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1;
  font-weight: 700;
  color: rgba(95, 199, 201, 0.45);
}

.page-contact .contact-tile__title {
  margin: 16px 0 12px;
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--mist);
}

.page-contact .contact-tile__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--txt-dim);
  max-width: 480px;
}

.page-contact .mail-row {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .mail-row:first-of-type {
  margin-top: 4px;
  padding-top: 0;
  border-top: 0;
}

.page-contact .mail-row__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-contact .mail-row__addr {
  display: inline-block;
  font-family: var(--mono);
  font-size: clamp(15px, 2.4vw, 23px);
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 42, 0.65);
  word-break: break-all;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .mail-row__addr:hover,
.page-contact .mail-row__addr:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-contact .mail-row__addr:focus-visible {
  outline: 2px solid var(--tide);
  outline-offset: 3px;
}

.page-contact .mail-row__note {
  margin: 10px 0 0;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--txt-dim);
}

.page-contact .phone-num {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: clamp(21px, 3.4vw, 30px);
  letter-spacing: 0.01em;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 106, 42, 0.4);
}

.page-contact .phone-num:hover,
.page-contact .phone-num:focus-visible {
  color: var(--orange-soft);
  border-color: var(--orange-soft);
}

.page-contact .addr-text {
  margin: 4px 0 0;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.7;
  font-weight: 700;
  color: var(--mist);
}

/* ---------- 反馈准备 ---------- */
.page-contact .contact-prep .eyebrow {
  color: var(--teal);
}

.page-contact .contact-prep__grid {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  align-items: start;
}

.page-contact .contact-prep__text {
  margin-top: 14px;
  color: rgba(7, 26, 43, 0.76);
}

.page-contact .contact-prep__figure {
  margin: clamp(18px, 3vw, 26px) 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(7, 26, 43, 0.12);
  background: var(--ink);
}

.page-contact .contact-prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .contact-prep__figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(7, 26, 43, 0.66);
  background: rgba(255, 255, 255, 0.72);
}

.page-contact .contact-prep__send {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(7, 26, 43, 0.82);
  word-break: break-word;
}

.page-contact .contact-prep__send a {
  color: var(--teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .prep-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: clamp(16px, 2.4vw, 22px);
  border-radius: 16px;
  background: #ffffff;
  border: 1px solid rgba(7, 26, 43, 0.1);
  box-shadow: 0 18px 40px -38px rgba(7, 26, 43, 0.5);
}

.page-contact .prep-step__num {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--deep);
  color: var(--orange-soft);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .prep-step__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  color: var(--deep);
}

.page-contact .prep-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(7, 26, 43, 0.72);
}

/* ---------- 合作线索 ---------- */
.page-contact .contact-collab__head {
  max-width: 660px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-collab__sub {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--txt-dim);
}

.page-contact .collab {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .collab__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .collab__tab {
  cursor: pointer;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(18, 52, 77, 0.55);
  color: var(--txt-dim);
  font-size: 15px;
  line-height: 1.4;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .collab__tab:hover {
  color: var(--mist);
  border-color: rgba(95, 199, 201, 0.55);
}

.page-contact .collab__radio:checked + .collab__tab {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--deep);
  font-weight: 700;
}

.page-contact .collab__radio:focus-visible + .collab__tab {
  outline: 2px solid var(--tide);
  outline-offset: 3px;
}

.page-contact .collab__panel {
  display: none;
  flex: 1 0 100%;
  margin-top: 8px;
  padding: var(--contact-pad);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(18, 52, 77, 0.78), rgba(2, 7, 12, 0.72));
}

.page-contact #collab-1:checked ~ #collab-panel-1,
.page-contact #collab-2:checked ~ #collab-panel-2,
.page-contact #collab-3:checked ~ #collab-panel-3,
.page-contact #collab-4:checked ~ #collab-panel-4 {
  display: block;
}

.page-contact .collab__panel h3 {
  margin: 0 0 10px;
  font-size: clamp(18px, 2.4vw, 22px);
  color: var(--mist);
}

.page-contact .collab__panel p {
  margin: 0;
  max-width: 720px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--txt-dim);
}

.page-contact .collab__meta {
  list-style: none;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 10px;
}

.page-contact .collab__meta li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--txt);
}

.page-contact .collab__meta .mono {
  display: inline-block;
  min-width: 44px;
  margin-right: 10px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(14, 110, 115, 0.35);
  color: var(--tide);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* ---------- 服务时间与地址 ---------- */
.page-contact .contact-hours__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-contact .hours-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(18px, 3vw, 26px) 0 clamp(16px, 2.6vw, 22px);
}

.page-contact .hours-line__start,
.page-contact .hours-line__end {
  font-size: 13px;
  color: var(--silver);
  letter-spacing: 0.04em;
}

.page-contact .hours-line__track {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: rgba(184, 196, 204, 0.18);
  overflow: hidden;
}

.page-contact .hours-line__fill {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal), var(--tide) 55%, var(--orange));
}

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

.page-contact .hours-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--txt-dim);
}

.page-contact .hours-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
}

.page-contact .hours-list .mono {
  margin-right: 8px;
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-contact .contact-addr {
  position: relative;
  overflow: hidden;
  padding: var(--contact-pad);
  border-radius: var(--radius);
  border: 1px solid rgba(95, 199, 201, 0.28);
  background: linear-gradient(160deg, rgba(14, 110, 115, 0.38), rgba(2, 7, 12, 0.9));
}

.page-contact .contact-addr .eyebrow {
  color: var(--tide);
}

.page-contact .contact-addr__line {
  margin: 12px 0 0;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.7;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .contact-addr__note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--txt-dim);
}

.page-contact .contact-addr__wave {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 18px;
}

.page-contact .contact-addr__wave .is-tide {
  stroke: var(--tide);
  opacity: 0.7;
}

.page-contact .contact-addr__wave .is-signal {
  stroke: var(--orange);
  opacity: 0.5;
}

.page-contact .contact-hours__legal {
  margin: clamp(22px, 3vw, 34px) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(184, 196, 204, 0.78);
}

.page-contact .contact-hours__legal a {
  color: var(--tide);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin: 0 2px;
}

.page-contact .contact-hours__legal a:hover,
.page-contact .contact-hours__legal a:focus-visible {
  color: var(--orange-soft);
}

@media (min-width: 760px) {
  .page-contact .contact-hero__media {
    aspect-ratio: 2 / 1;
  }

  .page-contact .prep-list {
    gap: 14px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: center;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: 7fr 5fr;
    grid-template-rows: auto auto;
    align-items: stretch;
  }

  .page-contact .contact-tile--mail {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-contact .contact-tile--phone {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .contact-tile--addr {
    grid-column: 2;
    grid-row: 2;
  }

  .page-contact .contact-prep__grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .collab__panel {
    padding: clamp(24px, 2.4vw, 34px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tile,
  .page-contact .mail-row__addr,
  .page-contact .collab__tab {
    transition: none;
  }

  .page-contact .contact-tile:hover {
    transform: none;
  }
}