.page-contact {
  padding-bottom: clamp(48px, 8vw, 100px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: clamp(20px, 3vw, 32px) 0 clamp(14px, 2vw, 22px);
  font-size: 14px;
  color: var(--muted);
}

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

.page-contact .breadcrumb-item a:hover,
.page-contact .breadcrumb-item a:focus-visible {
  color: var(--electro);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin: 0 10px;
  color: var(--steel);
}

.page-contact .breadcrumb-item[aria-current="page"] {
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-top: clamp(4px, 1.5vw, 12px);
}

.page-contact .ct-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-contact .ct-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--electro);
}

.page-contact h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 7.2vw, 68px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .ct-accent {
  color: var(--orange);
}

.page-contact .ct-lede {
  max-width: 56ch;
  margin: 0 0 28px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-hero-visual {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 两条通道卡片 ---------- */
.page-contact .ct-channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 22px);
  margin-top: clamp(34px, 5vw, 60px);
}

@media (min-width: 760px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 34px);
  padding-left: clamp(28px, 3.4vw, 40px);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  overflow: hidden;
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-contact .ct-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
}

.page-contact .ct-channel--support::before {
  background: var(--orange);
}

.page-contact .ct-channel--biz::before {
  background: var(--mint);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .ct-channel--biz:hover,
.page-contact .ct-channel--biz:focus-within {
  border-color: var(--mint);
}

.page-contact .ct-channel-tag {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-contact .ct-channel--support .ct-channel-tag {
  color: var(--orange);
}

.page-contact .ct-channel--biz .ct-channel-tag {
  color: var(--mint);
}

.page-contact .ct-channel-title {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .ct-channel-text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-channel-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 15px;
  font-weight: 700;
  color: var(--electro);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .ct-channel-link::after {
  content: " →";
}

.page-contact .ct-channel-link:hover,
.page-contact .ct-channel-link:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 章节外壳 ---------- */
.page-contact .ct-section {
  margin-top: clamp(52px, 8vw, 104px);
}

.page-contact .ct-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-bottom: clamp(24px, 3vw, 38px);
  padding-bottom: 18px;
  border-bottom: var(--line);
}

@media (min-width: 760px) {
  .page-contact .ct-section-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

.page-contact .ct-section-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--orange);
}

.page-contact .ct-section-num--mint {
  color: var(--mint);
}

.page-contact .ct-section-title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .ct-section-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
}

@media (min-width: 760px) {
  .page-contact .ct-section-meta {
    text-align: right;
  }
}

/* ---------- 通用两栏 ---------- */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

@media (min-width: 860px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
  .page-contact .ct-split--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.page-contact .ct-prose p {
  margin: 0 0 18px;
  max-width: 70ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .ct-prose p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-prose strong {
  color: var(--ink);
  font-weight: 700;
  word-break: break-all;
}

.page-contact .ct-prose a {
  color: var(--electro);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 197, 255, .4);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-contact .ct-prose a:hover,
.page-contact .ct-prose a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 右侧小注卡 ---------- */
.page-contact .ct-note {
  padding: clamp(20px, 2.6vw, 28px);
  border: var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.page-contact .ct-note-label {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange);
}

.page-contact .ct-note-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-note-list li {
  position: relative;
  padding: 9px 0 9px 20px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid rgba(30, 59, 92, .7);
}

.page-contact .ct-note-list li:first-child {
  border-top: 0;
}

.page-contact .ct-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--electro);
}

/* ---------- 商务合作三卡 ---------- */
.page-contact .ct-biz-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 22px);
}

@media (min-width: 700px) {
  .page-contact .ct-biz-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-biz-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-biz-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 28px);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color 160ms ease, transform 160ms ease;
}

.page-contact .ct-biz-card:hover,
.page-contact .ct-biz-card:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .ct-biz-card .tag {
  align-self: flex-start;
  margin-bottom: 16px;
}

.page-contact .ct-biz-card h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-biz-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .ct-biz-tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 76ch;
  padding-left: 18px;
  border-left: 3px solid var(--mint);
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 时间带 ---------- */
.page-contact .ct-timeline {
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-contact .ct-tl-track {
  display: flex;
  border: var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--navy);
}

.page-contact .ct-tl-seg {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 18px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  white-space: nowrap;
  overflow: hidden;
}

.page-contact .ct-tl-seg > span {
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-contact .ct-tl-seg--off {
  flex: 9 1 0;
  background: var(--panel);
  color: var(--muted);
}

.page-contact .ct-tl-seg--work {
  flex: 9 1 0;
  background: linear-gradient(120deg, var(--orange), var(--orange-soft));
  color: #08182B;
  font-weight: 700;
}

.page-contact .ct-tl-seg--late {
  flex: 6 1 0;
}

@media (max-width: 599px) {
  .page-contact .ct-tl-seg {
    font-size: 10px;
    padding: 14px 4px;
  }
}

/* ---------- 回应节奏列表 ---------- */
.page-contact .ct-sla-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 22px);
}

@media (min-width: 860px) {
  .page-contact .ct-sla-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-sla-list li {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 2.4vw, 26px);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .ct-sla-dot {
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 50%;
}

.page-contact .ct-sla-dot--work {
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 106, 19, .16);
}

.page-contact .ct-sla-dot--hold {
  background: var(--electro);
  box-shadow: 0 0 0 4px rgba(59, 197, 255, .16);
}

.page-contact .ct-sla-dot--mint {
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(20, 210, 160, .16);
}

.page-contact .ct-sla-list h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-sla-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 反馈入口示意图 ---------- */
.page-contact .ct-feedback-figure {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep {
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(22px, 3vw, 34px);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-contact .ct-prep-title {
  margin: 0 0 18px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .ct-prep .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 2.6vw, 28px);
}

.page-contact .ct-prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 720px) {
  .page-contact .ct-prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

.page-contact .ct-prep-list li {
  padding: 16px 18px;
  border: var(--line);
  border-left: 3px solid var(--steel);
  border-radius: var(--radius-sm);
  background: rgba(8, 24, 43, .7);
  transition: border-color 160ms ease, opacity 180ms ease;
}

.page-contact .ct-prep-list li:hover {
  border-left-color: var(--orange);
}

.page-contact .ct-prep-list h4 {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-prep-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 联系信息表 ---------- */
.page-contact .ct-info-list {
  margin: 0;
  border-top: var(--line);
}

.page-contact .ct-info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 18px 0;
  border-bottom: var(--line);
}

@media (min-width: 640px) {
  .page-contact .ct-info-row {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 24px;
    align-items: start;
  }
}

.page-contact .ct-info-label {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-contact .ct-info-label::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--orange);
}

.page-contact .ct-info-value {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .ct-info-text {
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .ct-info-note {
  flex-basis: 100%;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .ct-info-value .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--electro);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-contact .ct-info-value .copy-btn:hover,
.page-contact .ct-info-value .copy-btn:focus-visible {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .ct-info-value .copy-btn .copy-hint {
  color: var(--muted);
  font-size: 12px;
}

.page-contact .ct-info-value .copy-btn.is-copied .copy-hint {
  color: var(--mint);
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 480px) {
  .page-contact .ct-info-row {
    gap: 6px;
  }
  .page-contact .ct-stage,
  .page-contact .ct-channel-title {
    word-break: break-word;
  }
}