.page-contact {
  --card-w: 322px;
  --step-indent: 62px;
  background: var(--ink);
  color: var(--bone);
}

.page-contact .breadcrumbs {
  padding: 20px 0 0;
  font-size: 13px;
}

.page-contact .breadcrumbs a {
  color: var(--moss);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
}

/* ---------- Hero ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 76px) 0 clamp(28px, 4vw, 56px);
  background:
    radial-gradient(120% 100% at 92% -10%, rgba(56, 242, 196, 0.18), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 78%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 54px 54px;
  opacity: 0.3;
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  font-weight: 700;
  color: var(--bone);
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 62ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: rgba(241, 237, 226, 0.86);
}

.page-contact .contact-hero__chips {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-contact .contact-hero__chips li {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--moss);
  border-left: 2px solid var(--cyan);
  padding-left: 10px;
}

.page-contact .contact-hero__chips .mono {
  font-size: 15px;
  color: var(--bone);
  margin-right: 4px;
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 4px;
}

/* ---------- Buttons ---------- */
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.page-contact .btn--primary {
  background: var(--orange);
  color: #14100c;
  font-weight: 700;
}

.page-contact .btn--primary:hover {
  background: #ffa15f;
}

.page-contact .btn--ghost {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(56, 242, 196, 0.06);
}

.page-contact .btn--ghost:hover {
  background: rgba(56, 242, 196, 0.16);
}

/* ---------- Split layout ---------- */
.page-contact .contact-split {
  padding: clamp(30px, 5vw, 72px) 0 clamp(42px, 6vw, 88px);
}

.page-contact .contact-split__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-contact .contact-card {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  background: linear-gradient(165deg, rgba(15, 61, 46, 0.94), rgba(11, 16, 14, 0.96));
  border: 1px solid var(--line);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.page-contact .contact-card__note {
  margin: 0 0 4px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .data-label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .data-value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--bone);
  word-break: break-word;
}

.page-contact .copy-field {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 13px 56px 13px 15px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(43, 53, 50, 0.5);
  cursor: pointer;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-contact .copy-field:hover,
.page-contact .copy-field:focus-visible {
  border-color: var(--cyan);
  background: rgba(56, 242, 196, 0.08);
  outline: none;
}

.page-contact .copy-field::after {
  content: "点击复制";
  position: absolute;
  top: 12px;
  right: 13px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-contact .copy-field.is-copied::after {
  content: "已复制";
  color: var(--cyan);
}

.page-contact .contact-card__reg {
  display: grid;
  gap: 5px;
  padding: 13px 15px;
  border: 1px dashed var(--line);
  background: rgba(43, 53, 50, 0.3);
}

/* ---------- Sections ---------- */
.page-contact .contact-main > .section + .section {
  margin-top: clamp(42px, 6vw, 84px);
}

.page-contact .section__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .section__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--moss);
}

.page-contact .section__title {
  margin: 0 0 12px;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .section__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(241, 237, 226, 0.82);
}

/* ---------- Media frames ---------- */
.page-contact .media-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--rock);
  clip-path: polygon(0 0, calc(100% - var(--edge)) 0, 100% var(--edge), 100% 100%, var(--edge) 100%, 0 calc(100% - var(--edge)));
}

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

.page-contact .media-frame--wide {
  aspect-ratio: 3 / 2;
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .media-frame--tall {
  aspect-ratio: 3 / 4;
}

.page-contact .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--bone);
  background: linear-gradient(180deg, rgba(11, 16, 14, 0), rgba(11, 16, 14, 0.88));
}

/* ---------- Steps ---------- */
.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .step {
  position: relative;
  padding: 18px 18px 18px var(--step-indent);
  border: 1px solid var(--line);
  background: rgba(43, 53, 50, 0.45);
}

.page-contact .step::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--step-indent);
  width: 42px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .step__num {
  position: absolute;
  top: 20px;
  left: 16px;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .step__title {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 237, 226, 0.82);
}

/* ---------- Note grid (checklist + tall image) ---------- */
.page-contact .note-grid {
  display: grid;
  gap: 18px;
}

.page-contact .checklist-panel {
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  border-top: 2px solid var(--clay);
  background: rgba(43, 53, 50, 0.32);
}

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

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(241, 237, 226, 0.86);
}

.page-contact .checklist li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .checklist li::before {
  content: "✓";
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.8;
  color: var(--cyan);
}

.page-contact .checklist strong {
  color: var(--bone);
  font-weight: 700;
}

.page-contact .checklist-panel__foot {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- Entry cards ---------- */
.page-contact .entry-grid {
  display: grid;
  gap: 14px;
}

.page-contact .entry {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--clay);
  background: linear-gradient(180deg, rgba(43, 53, 50, 0.55), rgba(11, 16, 14, 0.62));
}

.page-contact .entry:nth-child(2) {
  border-top-color: var(--cyan);
}

.page-contact .entry:nth-child(3) {
  border-top-color: var(--orange);
}

.page-contact .entry__title {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .entry__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 237, 226, 0.82);
}

.page-contact .entry__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .entry__note {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- Timing ---------- */
.page-contact .timing-grid {
  display: grid;
  gap: 14px;
}

.page-contact .timing-card {
  padding: clamp(18px, 3vw, 24px);
  border: 1px solid var(--line);
  background: rgba(15, 61, 46, 0.36);
}

.page-contact .timing-card--accent {
  border-color: rgba(255, 138, 60, 0.45);
  background: linear-gradient(150deg, rgba(255, 138, 60, 0.14), rgba(11, 16, 14, 0.5));
}

.page-contact .timing-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .timing-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(241, 237, 226, 0.84);
}

/* ---------- Doc list ---------- */
.page-contact .doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .doc-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: rgba(43, 53, 50, 0.35);
  color: var(--bone);
  text-decoration: none;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-contact .doc-list a:hover,
.page-contact .doc-list a:focus-visible {
  border-color: var(--cyan);
  background: rgba(56, 242, 196, 0.08);
  outline: none;
}

.page-contact .doc-list__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-contact .doc-list__text {
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .doc-list__arrow {
  font-size: 15px;
  color: var(--cyan);
}

/* ---------- Contact table ---------- */
.page-contact .contact-table {
  margin: 0;
  border: 1px solid var(--line);
  background: rgba(43, 53, 50, 0.28);
}

.page-contact .contact-table__row {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-table__row:last-child {
  border-bottom: 0;
}

.page-contact .contact-table dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-contact .contact-table dd {
  margin: 0;
  font-size: 16px;
  color: var(--bone);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 5px;
  word-break: break-word;
}

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

/* ---------- Breakpoints ---------- */
@media (min-width: 720px) {
  .page-contact .note-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-contact .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .timing-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-contact .contact-table__row {
    grid-template-columns: 148px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .contact-table dt {
    font-size: 13px;
    letter-spacing: 0.1em;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-split__grid {
    grid-template-columns: var(--card-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }

  .page-contact .step {
    padding-right: 28px;
  }
}

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