.page-contact {
  --pc-line: rgba(95, 200, 240, 0.16);
  --pc-pad: clamp(20px, 4.5vw, 64px);
  --pc-max: 1240px;
  --pc-sect: clamp(48px, 6.5vw, 96px);
  overflow-x: clip;
  font-family: var(--sans);
  color: var(--silver);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  max-width: var(--pc-max);
  margin: 0 auto;
  padding: 24px var(--pc-pad) 0;
}
.page-contact .ct-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--graphite);
}
.page-contact .ct-crumb li + li {
  margin-left: 8px;
}
.page-contact .ct-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--graphite);
}
.page-contact .ct-crumb a {
  color: var(--ice-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-contact .ct-crumb a:hover,
.page-contact .ct-crumb a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 92% at 84% -12%, rgba(30, 108, 140, 0.4) 0%, rgba(11, 15, 20, 0) 62%),
    var(--ink);
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: auto -12% -58% 40%;
  height: 82%;
  background: linear-gradient(180deg, rgba(95, 200, 240, 0.1), rgba(95, 200, 240, 0) 72%);
  transform: rotate(-7deg);
  pointer-events: none;
}
.page-contact .ct-hero__inner {
  position: relative;
  max-width: var(--pc-max);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 68px) var(--pc-pad) 0;
}
.page-contact .ct-hero h1 {
  margin: 18px 0 0;
  max-width: 900px;
  font-size: clamp(34px, 5.6vw, 80px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--frost);
  text-wrap: balance;
}
.page-contact .ct-hero__lead {
  margin: 26px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.78;
  color: var(--silver);
}

.page-contact .ct-hero__cols {
  position: relative;
  max-width: var(--pc-max);
  margin: 0 auto;
  padding: clamp(34px, 5vw, 70px) var(--pc-pad) clamp(46px, 6vw, 92px);
  display: grid;
  gap: clamp(30px, 4vw, 58px);
}
@media (min-width: 900px) {
  .page-contact .ct-hero__cols {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    align-items: start;
  }
}

/* 三条通道 */
.page-contact .ct-channels {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .ct-channel {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--pc-line);
}
.page-contact .ct-channel:last-child {
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .ct-channel__icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--pc-line);
  color: var(--ice);
  background: rgba(30, 108, 140, 0.12);
}
.page-contact .ct-channel__icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
}
.page-contact .ct-channel__body {
  min-width: 0;
}
.page-contact .ct-channel__kicker {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ice-deep);
}
.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--frost);
  word-break: break-word;
}
.page-contact .ct-channel__desc {
  margin: 10px 0 0;
  max-width: 44ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--silver);
}
.page-contact .ct-channel__acts {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .ct-copy {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 8px 14px;
  border: 1px solid var(--ice-deep);
  background: transparent;
  color: var(--ice);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  border-color: var(--ice);
  background: rgba(95, 200, 240, 0.1);
  color: var(--frost);
}
.page-contact .ct-channel__geo {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-line);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--graphite);
  font-variant-numeric: tabular-nums;
}
.page-contact .ct-channel__geo span + span::before {
  content: "·";
  margin: 0 8px;
  color: var(--gold);
}

/* 首屏右侧 */
.page-contact .ct-hero__side {
  display: grid;
  gap: 18px;
}
.page-contact .ct-hero__fig {
  position: relative;
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--night);
  overflow: hidden;
}
.page-contact .ct-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .ct-hero__fig::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--pc-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pc-line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.6;
  pointer-events: none;
}
.page-contact .ct-hero__note {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 横向色带 ---------- */
.page-contact .ct-band {
  padding: clamp(46px, 6.5vw, 88px) 0 clamp(36px, 4.5vw, 56px);
  background: linear-gradient(180deg, var(--night) 0%, var(--ink) 100%);
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .ct-band__head {
  max-width: var(--pc-max);
  margin: 0 auto;
  padding: 0 var(--pc-pad);
}
.page-contact .ct-band__head h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--frost);
}
.page-contact .ct-band__head p {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
}
.page-contact .ct-band__track {
  display: flex;
  gap: 18px;
  margin-top: 34px;
  padding: 4px var(--pc-pad) 26px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--ice-deep) rgba(95, 200, 240, 0.08);
}
.page-contact .ct-band__track::-webkit-scrollbar {
  height: 3px;
}
.page-contact .ct-band__track::-webkit-scrollbar-track {
  background: rgba(95, 200, 240, 0.08);
}
.page-contact .ct-band__track::-webkit-scrollbar-thumb {
  background: var(--ice-deep);
}
.page-contact .ct-band__track:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}
.page-contact .ct-card {
  flex: 0 0 min(296px, 76vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 218px;
  padding: 24px 22px;
  background: rgba(18, 32, 46, 0.74);
  border: 1px solid var(--pc-line);
  border-top: 2px solid var(--ice-deep);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  border-top-color: var(--gold);
  background: rgba(18, 32, 46, 0.94);
}
.page-contact .ct-card__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.page-contact .ct-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--frost);
}
.page-contact .ct-card p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--silver);
}

/* ---------- 通用区段 ---------- */
.page-contact .ct-sec {
  max-width: var(--pc-max);
  margin: 0 auto;
  padding: var(--pc-sect) var(--pc-pad) 0;
}
.page-contact .ct-sec h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--frost);
}
.page-contact .ct-sec__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 反馈清单 ---------- */
.page-contact .ct-brief__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
@media (min-width: 760px) {
  .page-contact .ct-brief__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-contact .ct-check {
  position: relative;
  border: 1px solid var(--pc-line);
  background: rgba(18, 32, 46, 0.5);
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-contact .ct-check:has(input:checked) {
  border-color: rgba(99, 224, 196, 0.6);
  background: rgba(99, 224, 196, 0.09);
}
.page-contact .ct-check__label {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 17px 18px;
  width: 100%;
  cursor: pointer;
}
.page-contact .ct-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}
.page-contact .ct-check__box {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--ice-deep);
  transition: border-color 0.18s var(--ease);
}
.page-contact .ct-check__box::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--mint);
  transform: scale(0);
  transition: transform 0.18s var(--ease);
}
.page-contact .ct-check__input:checked + .ct-check__box {
  border-color: var(--mint);
}
.page-contact .ct-check__input:checked + .ct-check__box::after {
  transform: scale(1);
}
.page-contact .ct-check__input:focus-visible + .ct-check__box {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.page-contact .ct-check__txt {
  font-size: 15px;
  line-height: 1.62;
  color: var(--silver);
}

/* ---------- 受理时段 ---------- */
.page-contact .ct-pace__rows {
  margin-top: 30px;
  border-top: 1px solid var(--pc-line);
}
.page-contact .ct-pace__row {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-line);
}
@media (min-width: 820px) {
  .page-contact .ct-pace__row {
    grid-template-columns: 190px minmax(0, 1fr) 190px;
    gap: 30px;
    align-items: baseline;
  }
}
.page-contact .ct-pace__label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ice-deep);
}
.page-contact .ct-pace__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}
.page-contact .ct-pace__when {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mint);
  font-variant-numeric: tabular-nums;
}

/* ---------- 合作共建 ---------- */
.page-contact .ct-coop__cols {
  margin-top: 30px;
  display: grid;
  gap: clamp(30px, 4vw, 56px);
}
@media (min-width: 880px) {
  .page-contact .ct-coop__cols {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    align-items: start;
  }
}
.page-contact .ct-coop__cols > div > p {
  margin: 0 0 16px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
}
.page-contact .ct-coop__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line);
}
.page-contact .ct-coop__list li {
  position: relative;
  padding: 14px 0 14px 24px;
  border-bottom: 1px solid var(--pc-line);
  font-size: 15px;
  line-height: 1.68;
  color: var(--frost);
}
.page-contact .ct-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 10px;
  height: 1px;
  background: var(--gold);
}
.page-contact .ct-coop__panel {
  padding: 26px 24px 24px;
  border: 1px solid var(--line-gold);
  background: rgba(217, 164, 65, 0.05);
}
.page-contact .ct-coop__panel h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold);
}
.page-contact .ct-coop__panel ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .ct-coop__panel li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}
.page-contact .ct-coop__panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--gold);
}
.page-contact .ct-coop__hint {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-gold);
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--silver);
}

/* ---------- 收束宽幅 ---------- */
.page-contact .ct-closer {
  display: block;
  margin: clamp(48px, 6.5vw, 92px) 0 0;
  border-top: 1px solid var(--pc-line);
  border-bottom: 1px solid var(--pc-line);
  overflow: hidden;
  background: var(--night);
}
.page-contact .ct-closer img {
  display: block;
  width: 100%;
  height: clamp(190px, 30vw, 360px);
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 备案号 ---------- */
.page-contact .ct-legal {
  padding-bottom: clamp(56px, 7vw, 96px);
}
.page-contact .ct-legal__box {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 15px 20px;
  border: 1px solid var(--line-gold);
  background: rgba(217, 164, 65, 0.06);
}
.page-contact .ct-legal__label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-contact .ct-legal__val {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--frost);
  font-variant-numeric: tabular-nums;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-contact .ct-channel {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 13px;
  }
  .page-contact .ct-channel__icon {
    width: 38px;
    height: 38px;
  }
  .page-contact .ct-channel__icon svg {
    width: 18px;
    height: 18px;
  }
  .page-contact .ct-hero__fig::after {
    background-size: 32px 32px;
  }
  .page-contact .ct-legal__box {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-copy,
  .page-contact .ct-card,
  .page-contact .ct-check,
  .page-contact .ct-check__box,
  .page-contact .ct-check__box::after {
    transition: none;
  }
}