.page-contact {
  --contact-rule: rgba(201, 150, 46, .32);
  --contact-pad: 20px;
  background: var(--obsidian);
  color: var(--ivory);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-contact .content-wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding-left: var(--contact-pad);
  padding-right: var(--contact-pad);
}

@media (min-width: 900px) {
  .page-contact {
    --contact-pad: 48px;
  }
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: 28px;
}

.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mauve);
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--bronze);
}

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

.page-contact .breadcrumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: 56px;
}

.page-contact .hero-grid {
  display: grid;
  gap: 34px;
  padding-top: 22px;
}

.page-contact .hero-eyebrow {
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-light);
}

.page-contact h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 9vw, 4.35rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--ivory);
}

.page-contact .hero-em {
  position: relative;
  display: inline-block;
  color: var(--gold-light);
}

.page-contact .hero-em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: .05em;
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, rgba(201, 150, 46, 0) 100%);
}

.page-contact .hero-lede {
  margin: 0;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(243, 237, 227, .82);
}

.page-contact .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 18px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-fact {
  padding-top: 10px;
  border-top: 2px solid var(--contact-rule);
  font-size: 13px;
  line-height: 1.5;
  color: rgba(243, 237, 227, .68);
}

.page-contact .hero-fact b {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.2;
  color: var(--gold-light);
}

@media (min-width: 640px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .hero-actions,
.page-contact .fit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border: 2px solid var(--gold);
  background: transparent;
  color: var(--gold-light);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.2;
  text-decoration: none;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.page-contact .btn--primary {
  background: var(--gold);
  color: var(--obsidian);
  font-weight: 500;
}

.page-contact .btn--primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
}

.page-contact .btn--ghost:hover {
  background: rgba(201, 150, 46, .14);
  transform: translateY(-2px);
}

/* ---------- 图片框 ---------- */
.page-contact .image-frame {
  display: block;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

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

.page-contact .image-frame--slant {
  border: 2px solid var(--bronze);
  background: var(--graphite);
  box-shadow: var(--shadow);
}

.page-contact .image-frame figcaption {
  padding: 12px 14px;
  background: var(--graphite);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  letter-spacing: .05em;
  color: var(--mauve);
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 54px;
    align-items: center;
  }

  .page-contact .image-frame--slant {
    transform: rotate(-1.8deg);
  }
}

/* ---------- 章节骨架 ---------- */
.page-contact .section {
  position: relative;
  padding: 62px 0;
}

.page-contact .section--teal { background: var(--teal); }
.page-contact .section--graphite { background: var(--graphite); }
.page-contact .section--indigo { background: var(--indigo); }
.page-contact .section--terracotta { background: var(--terracotta); }

@media (min-width: 900px) {
  .page-contact .section {
    padding: 88px 0;
  }
}

.page-contact .section-head {
  max-width: 780px;
  margin-bottom: 36px;
}

.page-contact .section-number {
  display: block;
  margin-bottom: 12px;
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--gold-light);
}

.page-contact .section-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.55rem, 5.2vw, 2.55rem);
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--ivory);
}

.page-contact .section-lede {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 237, 227, .78);
}

/* ---------- 01 三种协作方式 ---------- */
.page-contact .mode-grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 820px) {
  .page-contact .mode-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact .mode-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  background: rgba(14, 13, 18, .74);
  border: 2px solid var(--bronze);
  box-shadow: var(--shadow);
  transition: border-color .24s ease, transform .24s ease, box-shadow .24s ease;
}

.page-contact .mode-card:hover,
.page-contact .mode-card:focus-within {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 8px 10px 0 rgba(0, 0, 0, .5);
}

.page-contact .badge {
  align-self: flex-start;
  padding: 5px 13px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.4;
  letter-spacing: .12em;
}

.page-contact .badge--gold {
  color: var(--gold-light);
}

.page-contact .badge--jade {
  color: var(--obsidian);
  background: var(--jade);
  border-color: var(--jade);
}

.page-contact .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  line-height: 1.32;
  color: var(--ivory);
}

.page-contact .card-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(243, 237, 227, .8);
}

.page-contact .mode-meta {
  display: grid;
  gap: 9px;
  margin: auto 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--contact-rule);
}

.page-contact .mode-meta div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
}

.page-contact .mode-meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mauve);
}

.page-contact .mode-meta dd {
  margin: 0;
  color: rgba(243, 237, 227, .9);
}

/* ---------- 02 对接流程 ---------- */
.page-contact .flow-layout {
  display: grid;
  gap: 30px;
}

.page-contact .rail-caption {
  margin: 0 0 20px;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gold-light);
}

.page-contact .flow-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 30px;
  padding-bottom: 24px;
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 150, 46, .16);
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 20px;
  bottom: 0;
  width: 2px;
  background: var(--contact-rule);
}

.page-contact .flow-step:last-child::after {
  display: none;
}

.page-contact .flow-step-no {
  margin-right: 8px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold-light);
}

.page-contact .flow-step-name {
  font-size: 15px;
  color: var(--ivory);
}

.page-contact .flow-step-time {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mauve);
}

.page-contact .flow-body {
  display: grid;
  gap: 18px;
}

.page-contact .flow-card {
  display: grid;
  gap: 12px;
  padding: 24px 22px;
  background: rgba(14, 13, 18, .5);
  border: 2px solid var(--contact-rule);
  border-left-width: 4px;
  border-left-color: var(--gold);
  transition: border-color .24s ease;
}

.page-contact .flow-card:hover {
  border-color: var(--gold);
}

.page-contact .flow-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-contact .flow-card-no {
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
  color: var(--gold-light);
}

.page-contact .flow-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--ivory);
}

.page-contact .flow-card-time {
  margin-left: auto;
  padding: 4px 12px;
  border: 1px solid var(--contact-rule);
  border-radius: 999px;
  background: rgba(201, 150, 46, .1);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gold-light);
}

.page-contact .flow-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(243, 237, 227, .8);
}

.page-contact .flow-deliver {
  padding-top: 12px;
  border-top: 1px dashed var(--contact-rule);
  font-size: 13.5px;
  color: rgba(243, 237, 227, .74);
}

.page-contact .flow-deliver b {
  font-weight: 500;
  color: var(--gold-light);
}

.page-contact .flow-figure {
  margin-top: 40px;
  border: 2px solid var(--contact-rule);
  background: var(--obsidian);
}

@media (min-width: 980px) {
  .page-contact .flow-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

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

/* ---------- 03 材料清单 ---------- */
.page-contact .kit-grid {
  display: grid;
  gap: 34px;
}

@media (min-width: 780px) {
  .page-contact .kit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px;
  }
}

.page-contact .kit-column {
  padding-top: 18px;
  border-top: 2px solid var(--gold);
}

.page-contact .kit-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  color: var(--ivory);
}

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

.page-contact .kit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(243, 237, 227, .88);
}

.page-contact .kit-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--jade);
  color: var(--obsidian);
}

.page-contact .kit-note {
  margin: 34px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--gold);
  background: rgba(14, 13, 18, .35);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 237, 227, .78);
}

.page-contact .kit-note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 04 联系通道 ---------- */
.page-contact .channel-grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 880px) {
  .page-contact .channel-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 22px;
  }
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  background: var(--graphite);
  border: 2px solid var(--bronze);
  box-shadow: var(--shadow);
}

.page-contact .channel-card--anchor {
  border-color: var(--gold);
  background:
    linear-gradient(150deg, rgba(201, 150, 46, .16) 0%, rgba(26, 24, 32, 0) 62%),
    var(--graphite);
}

.page-contact .channel-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.34;
  color: var(--ivory);
}

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

.page-contact .channel-lines li {
  display: grid;
  gap: 4px;
}

.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--gold-light);
}

.page-contact .channel-value {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ivory);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.page-contact .channel-body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(243, 237, 227, .82);
}

.page-contact .channel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mauve);
}

.page-contact .channel-link {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--contact-rule);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-light);
  text-decoration: none;
}

.page-contact .channel-link:hover {
  border-color: var(--gold-light);
}

/* ---------- 05 适配方向 ---------- */
.page-contact .fit-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 82%);
  gap: 16px;
  padding-bottom: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .fit-tile {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  background: rgba(14, 13, 18, .34);
  border: 2px solid rgba(243, 237, 227, .3);
  transition: border-color .24s ease, background .24s ease, transform .24s ease;
}

.page-contact .fit-tile:hover,
.page-contact .fit-tile:focus-within {
  background: rgba(14, 13, 18, .62);
  border-color: var(--gold-light);
  transform: translateY(-4px);
}

.page-contact .fit-no {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-light);
}

.page-contact .fit-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.32;
  color: var(--ivory);
}

.page-contact .fit-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(243, 237, 227, .85);
}

.page-contact .fit-actions {
  margin-top: 34px;
}

@media (min-width: 820px) {
  .page-contact .fit-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-columns: auto;
    padding-bottom: 0;
    overflow: visible;
  }
}

@media (min-width: 1080px) {
  .page-contact .fit-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 无障碍与减少动效 ---------- */
.page-contact .btn:focus-visible,
.page-contact .channel-link:focus-visible,
.page-contact .breadcrumbs a:focus-visible,
.page-contact .kit-note a:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .mode-card,
  .page-contact .fit-tile,
  .page-contact .btn,
  .page-contact .flow-card {
    transition: none;
  }

  .page-contact .mode-card:hover,
  .page-contact .fit-tile:hover,
  .page-contact .btn--primary:hover,
  .page-contact .btn--ghost:hover,
  .page-contact .image-frame--slant {
    transform: none;
  }
}