.page-contact {
  --ct-line: rgba(140, 154, 155, 0.24);
  --ct-line-strong: rgba(45, 226, 230, 0.34);
  --ct-panel: rgba(13, 47, 79, 0.86);
  --ct-panel-dim: rgba(2, 10, 18, 0.55);
  --ct-gap: clamp(20px, 3vw, 34px);
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-sans);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow-x: hidden;
}

.page-contact .ct-shell {
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 40px);
}

.page-contact .breadcrumb {
  padding-block: 16px 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(140, 154, 155, 0.5);
}

.page-contact .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  margin-top: 18px;
  padding: clamp(22px, 3.4vw, 40px);
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  background:
    radial-gradient(120% 90% at 96% -10%, rgba(45, 226, 230, 0.16), transparent 62%),
    linear-gradient(165deg, #0D2F4F 0%, #071A2F 68%);
  border: 1px solid var(--ct-line-strong);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, rgba(201, 162, 39, 0.75) 0 1px, transparent 1px 14px);
  opacity: 0.5;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 42px;
  height: 42px;
  background: linear-gradient(315deg, #071A2F 0 50%, transparent 50%);
  pointer-events: none;
}

.page-contact .ct-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-hero__text {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-hero__chips li {
  padding: 5px 10px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--stone);
  border: 1px solid rgba(140, 154, 155, 0.3);
  border-radius: 999px;
}

.page-contact .ct-hero__figure {
  margin: 0;
  border: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

@media (min-width: 880px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

/* ---------- 左轨 + 主区 ---------- */
.page-contact .ct-body {
  display: grid;
  gap: var(--ct-gap);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .ct-rail {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--ct-panel-dim);
  border: 1px solid var(--ct-line);
  border-top: 2px solid var(--gold);
}

.page-contact .ct-rail__title {
  margin: 0 0 2px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .ct-channel {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 14px 14px 16px;
  background: var(--ct-panel);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-channel::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 16px;
  height: 16px;
  background: linear-gradient(225deg, rgba(201, 162, 39, 0.85) 0 50%, transparent 50%);
}

.page-contact .ct-channel__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-contact .ct-channel__value {
  font-size: clamp(14px, 1.7vw, 16px);
  line-height: 1.42;
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value:hover {
  text-decoration: underline;
}

.page-contact .ct-channel__value--text {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text);
  overflow-wrap: break-word;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.64;
  color: var(--muted);
}

.page-contact .copy-btn {
  justify-self: start;
  margin-top: 2px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid rgba(45, 226, 230, 0.42);
  border-radius: 2px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .copy-btn:hover {
  background: rgba(45, 226, 230, 0.12);
}

.page-contact .copy-btn.is-copied {
  color: var(--moss);
  border-color: rgba(111, 127, 106, 0.85);
  background: rgba(111, 127, 106, 0.14);
}

.page-contact .ct-rail__time {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: linear-gradient(90deg, rgba(45, 226, 230, 0.14), transparent 72%);
}

.page-contact .ct-rail__time-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--stone);
}

.page-contact .ct-rail__time-value {
  font-size: 15px;
  color: var(--text);
}

@media (min-width: 940px) {
  .page-contact .ct-body {
    grid-template-columns: minmax(270px, 336px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-rail {
    position: sticky;
    top: 24px;
  }
}

/* ---------- 主区章节 ---------- */
.page-contact .ct-main {
  display: grid;
  gap: clamp(34px, 5vw, 62px);
  min-width: 0;
}

.page-contact .ct-sec {
  scroll-margin-top: 24px;
  min-width: 0;
}

.page-contact .ct-sec__head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-sec__num {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.page-contact .ct-sec h2 {
  margin: 0;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-sec__lede {
  margin: 16px 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, 0.35);
}

.page-contact .ct-main a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .ct-flow {
  margin: 0 0 22px;
  border: 1px solid var(--ct-line);
  overflow: hidden;
}

.page-contact .ct-flow img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 工单三步 */
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: ct-step;
}

.page-contact .ct-step {
  position: relative;
  padding: 16px 16px 16px 54px;
  background: linear-gradient(120deg, rgba(13, 47, 79, 0.9), rgba(7, 26, 47, 0.72));
  border: 1px solid var(--ct-line);
  border-left: 2px solid rgba(255, 90, 54, 0.65);
}

.page-contact .ct-step::before {
  counter-increment: ct-step;
  content: "0" counter(ct-step);
  position: absolute;
  left: 16px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ember);
}

.page-contact .ct-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  line-height: 1.42;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 准备清单 */
.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding: 12px 14px 12px 38px;
  font-size: 14px;
  line-height: 1.64;
  color: var(--text);
  background: rgba(13, 47, 79, 0.62);
  border-left: 1px solid var(--ct-line-strong);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 18px;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

@media (min-width: 720px) {
  .page-contact .ct-checklist {
    grid-template-columns: 1fr 1fr;
  }
}

.page-contact .ct-hint {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--stone);
}

/* 服务时间 */
.page-contact .ct-hours {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 2.6vw, 26px);
  background: linear-gradient(140deg, rgba(13, 47, 79, 0.95), rgba(2, 10, 18, 0.95));
  border: 1px solid rgba(201, 162, 39, 0.4);
}

.page-contact .ct-hours__big {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-contact .ct-hours__cap {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .ct-hours__time {
  font-size: clamp(23px, 4vw, 32px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .ct-hours__note {
  display: grid;
  gap: 10px;
}

.page-contact .ct-hours__note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .ct-hours {
    grid-template-columns: minmax(190px, 236px) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-hours__big {
    padding-right: 18px;
    border-right: 1px solid rgba(201, 162, 39, 0.28);
  }
}

/* 合作与反馈 */
.page-contact .ct-partner {
  display: grid;
  gap: 14px;
}

.page-contact .ct-partner__card {
  padding: 18px;
  background: rgba(13, 47, 79, 0.66);
  border: 1px solid var(--ct-line);
  border-top: 2px solid rgba(184, 107, 75, 0.9);
}

.page-contact .ct-partner__card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-partner__card p {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .ct-partner__card .ct-partner__meta {
  margin-bottom: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

@media (min-width: 760px) {
  .page-contact .ct-partner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (hover: hover) {
  .page-contact .ct-channel:hover,
  .page-contact .ct-step:hover {
    border-color: rgba(45, 226, 230, 0.38);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn {
    transition: none;
  }
}