.page-contact {
  --contact-paper-ink: #10231D;
  --contact-paper-soft: #4C665F;
  --contact-paper-line: rgba(16, 35, 29, .18);
  position: relative;
  overflow: hidden;
  padding-bottom: 80px;
  background-color: var(--ink);
  color: var(--text);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(63, 224, 204, .055) 0 1px, transparent 1px 128px),
    repeating-linear-gradient(0deg, rgba(63, 224, 204, .045) 0 1px, transparent 1px 128px);
}

.page-contact > * {
  position: relative;
  z-index: 1;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: 20px;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-contact .breadcrumb-item a {
  color: var(--muted);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */
.page-contact .hero-contact {
  padding-top: 26px;
}

.page-contact .hero-contact-inner {
  display: grid;
  gap: 32px;
}

.page-contact .hero-copy h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .lede {
  max-width: 60ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: #C9DED8;
}

.page-contact .hours-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 7px 12px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan-soft);
  background: rgba(14, 42, 34, .72);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-contact .hours-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(240, 169, 59, .18);
}

.page-contact .hero-index {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .hero-index li + li {
  border-top: 1px solid var(--line-soft);
}

.page-contact .hero-index a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 2px;
  color: var(--text);
  text-decoration: none;
  transition: color 180ms ease, padding-left 180ms ease;
}

.page-contact .hero-index a:hover {
  color: var(--cyan);
  padding-left: 6px;
}

.page-contact .idx-no {
  font-size: 12px;
  color: var(--muted-dim);
}

.page-contact .idx-name {
  font-size: 15px;
  font-weight: 600;
}

.page-contact .idx-arrow {
  font-size: 13px;
  color: var(--muted-dim);
}

/* ---------- 服务台主体 ---------- */
.page-contact .contact-body {
  padding-top: 44px;
}

.page-contact .contact-body-inner {
  display: grid;
  gap: 40px;
}

.page-contact .contact-rail {
  position: static;
}

.page-contact .contact-card {
  position: relative;
  background: var(--paper);
  color: var(--contact-paper-ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px 22px;
  box-shadow: 10px 10px 0 -1px rgba(22, 64, 52, .95), var(--shadow);
}

.page-contact .card-label {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 9px;
  font-size: 11px;
  letter-spacing: .16em;
  color: #05201B;
  background: var(--cyan);
  border: 1px solid rgba(5, 32, 27, .25);
  border-radius: 2px;
}

.page-contact .contact-dl {
  margin: 0;
}

.page-contact .contact-line {
  padding: 12px 0;
  border-top: 1px solid var(--contact-paper-line);
}

.page-contact .contact-dl > .contact-line:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .contact-line dt {
  margin-bottom: 5px;
  font-size: 12px;
  letter-spacing: .08em;
  color: #5A7570;
}

.page-contact .contact-line dd {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--contact-paper-ink);
}

.page-contact .value-email {
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

.page-contact .copy-btn {
  appearance: none;
  font: inherit;
  font-size: 12px;
  line-height: 1;
  min-height: 30px;
  padding: 6px 10px;
  color: var(--contact-paper-ink);
  background: transparent;
  border: 1px solid rgba(16, 35, 29, .45);
  border-radius: 2px;
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-contact .copy-btn:hover {
  color: var(--paper);
  background: var(--contact-paper-ink);
}

.page-contact .copy-btn[data-copied="true"] {
  color: #05201B;
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .card-note {
  margin: 16px 0 0;
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--contact-paper-soft);
  border-top: 1px dashed rgba(16, 35, 29, .25);
}

.page-contact .contact-main {
  display: grid;
  gap: 48px;
}

/* ---------- 章节标题 ---------- */
.page-contact .section-head {
  margin-bottom: 20px;
}

.page-contact .section-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3.4vw, 2.05rem);
  line-height: 1.12;
  letter-spacing: .005em;
  color: var(--text);
}

.page-contact .section-meta {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted-dim);
}

/* ---------- 合作方向 ---------- */
.page-contact .collab-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .collab-item {
  position: relative;
  padding: 18px 18px 18px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .28);
}

.page-contact .collab-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 4px;
  border-radius: 0 2px 2px 0;
  background: var(--cyan);
}

.page-contact .collab-item[data-type="transfer"]::before {
  background: var(--violet);
}

.page-contact .collab-item[data-type="season"]::before {
  background: var(--cyan-soft);
}

.page-contact .collab-item[data-type="biz"]::before {
  background: var(--amber);
}

.page-contact .collab-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .collab-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-contact .collab-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 图框 ---------- */
.page-contact .media-block {
  margin: 28px 0 0;
}

.page-contact .img-frame {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .img-frame--16x9 {
  aspect-ratio: 16 / 9;
}

.page-contact .img-frame--3x2 {
  aspect-ratio: 3 / 2;
}

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

.page-contact .img-cap {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted-dim);
}

/* ---------- 提交资料清单 ---------- */
.page-contact .need-grid {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .need-row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .need-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

.page-contact .need-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .need-desc a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 横向数据带 ---------- */
.page-contact .band {
  margin-top: 56px;
  background: rgba(14, 42, 34, .78);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .band-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  padding: 24px 0;
}

.page-contact .stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.4vw, 1.95rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--cyan);
}

.page-contact .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 流程 ---------- */
.page-contact .block-flow,
.page-contact .block-req,
.page-contact .block-next {
  padding-top: 60px;
}

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

.page-contact .flow-step {
  position: relative;
  padding: 20px 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .flow-step[data-phase="submit"] {
  background: linear-gradient(160deg, #3FE0CC 0%, #2CC4B2 100%);
  border-color: var(--cyan);
}

.page-contact .flow-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted-dim);
}

.page-contact .flow-step[data-phase="submit"] .flow-no {
  color: rgba(6, 35, 30, .7);
}

.page-contact .flow-name {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .flow-step[data-phase="submit"] .flow-name {
  color: #06231E;
}

.page-contact .flow-time {
  display: inline-block;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .02em;
  color: var(--cyan-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-contact .flow-step[data-phase="submit"] .flow-time {
  color: #06231E;
  border-color: rgba(6, 35, 30, .45);
}

.page-contact .flow-desc {
  margin: 10px 0 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .flow-step[data-phase="submit"] .flow-desc {
  color: #0B3229;
}

/* ---------- 常见请求折叠组 ---------- */
.page-contact .req-grid {
  display: grid;
  gap: 12px;
}

.page-contact .req-grid .accordion-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .req-heading {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
}

.page-contact .req-grid .accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px;
  font: inherit;
  text-align: left;
  color: var(--text);
  background: transparent;
  border: 0;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease;
}

.page-contact .req-grid .accordion-trigger:hover {
  background: rgba(63, 224, 204, .06);
}

.page-contact .req-grid .accordion-trigger[aria-expanded="true"] {
  border-left-color: var(--cyan);
  background: rgba(63, 224, 204, .08);
}

.page-contact .req-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted-dim);
}

.page-contact .req-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
}

.page-contact .req-grid .accordion-icon {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 180ms ease, border-color 180ms ease;
}

.page-contact .req-grid .accordion-trigger[aria-expanded="true"] .accordion-icon {
  border-color: var(--cyan);
  transform: rotate(-135deg);
}

.page-contact .req-grid .accordion-panel-inner {
  margin-left: 14px;
  padding: 2px 16px 16px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  border-left: 3px solid var(--cyan);
}

.page-contact .req-grid .accordion-panel-inner p {
  margin: 0;
}

/* ---------- 结尾引导 ---------- */
.page-contact .next-lede {
  max-width: 64ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-contact .next-links a {
  display: block;
  padding: 16px 18px;
  color: var(--text);
  text-decoration: none;
  background: linear-gradient(180deg, rgba(14, 42, 34, .92), rgba(7, 26, 22, .92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-contact .next-links a:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .next-name {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 600;
}

.page-contact .next-desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .collab-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 768px) {
  .page-contact .need-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .band-inner {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .req-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
  }

  .page-contact .next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 1024px) {
  .page-contact {
    padding-bottom: 104px;
  }

  .page-contact .hero-contact-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-contact .contact-body {
    padding-top: 64px;
  }

  .page-contact .contact-body-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-main {
    gap: 64px;
  }

  .page-contact .block-flow,
  .page-contact .block-req,
  .page-contact .block-next {
    padding-top: 88px;
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .flow-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -18px;
    width: 18px;
    height: 1px;
    background: linear-gradient(90deg, var(--line), var(--cyan));
  }

  .page-contact .band {
    margin-top: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .hero-index a,
  .page-contact .copy-btn,
  .page-contact .req-grid .accordion-trigger,
  .page-contact .req-grid .accordion-icon,
  .page-contact .next-links a {
    transition: none;
  }

  .page-contact .next-links a:hover {
    transform: none;
  }
}