.page-contact {
  --ct-amber-soft: rgba(255, 180, 84, 0.14);
  --ct-amber-line: rgba(255, 180, 84, 0.42);
  --ct-cyan-soft: rgba(57, 242, 208, 0.12);
  --ct-gap: 12px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-sans);
  padding-bottom: 56px;
}

.page-contact .container {
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 104px 0 6px;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}

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

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

.page-contact .ct-hero__grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-hero__main h1 {
  margin: 10px 0 16px;
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-hero__main .lead {
  max-width: 40ch;
  color: var(--text-dim);
  font-size: 1rem;
  line-height: 1.75;
}

.page-contact .eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 24px;
}

.page-contact .ct-hero__figure {
  margin: 0;
}

.page-contact .media-frame {
  display: block;
  overflow: hidden;
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--deep-800), var(--ink));
}

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

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

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

/* ---------- 批次大卡 ---------- */
.page-contact .ct-batch {
  position: relative;
  padding: 24px 20px 22px;
  border-radius: var(--r-panel);
  border: 1px solid var(--ct-amber-line);
  background:
    radial-gradient(120% 90% at 100% 0%, var(--ct-amber-soft), transparent 62%),
    linear-gradient(165deg, var(--deep-800), var(--deep));
  box-shadow: 0 26px 60px -40px rgba(255, 180, 84, 0.75);
}

.page-contact .ct-batch__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  font-size: 0.76rem;
  color: var(--ink);
  background: var(--amber);
  font-weight: 700;
}

.page-contact .ct-batch h2 {
  margin: 0 0 10px;
  font-size: clamp(1.35rem, 4.6vw, 1.7rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

.page-contact .ct-batch__note {
  margin: 0 0 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 180, 84, 0.85);
}

.page-contact .ct-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 12px;
  border-radius: var(--r-card);
  background: rgba(10, 15, 13, 0.42);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-check__box {
  flex: none;
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--amber);
  cursor: pointer;
}

.page-contact .ct-check label {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 0;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .ct-check__num {
  flex: none;
  color: var(--amber);
  font-size: 0.76rem;
  padding-top: 2px;
}

.page-contact .ct-check li:hover {
  border-color: var(--ct-amber-line);
}

.page-contact .ct-check__box:checked + label {
  color: var(--text-dim);
  text-decoration: line-through;
  text-decoration-color: var(--ct-amber-line);
}

.page-contact .ct-check__box:checked + label .ct-check__num {
  color: var(--text-dim);
}

.page-contact .ct-check__box:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .ct-batch__foot {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-batch__foot a {
  color: var(--mist);
  text-decoration: underline;
  text-decoration-color: var(--ct-amber-line);
  text-underline-offset: 3px;
}

/* ---------- 章节通用 ---------- */
.page-contact .ct-section {
  padding: 26px 0 0;
}

.page-contact .section-head {
  margin-bottom: 16px;
}

.page-contact .section-title {
  margin: 8px 0 8px;
  font-size: clamp(1.45rem, 5.4vw, 2.1rem);
  font-weight: 850;
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .muted {
  margin: 0;
  max-width: 52ch;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .ct-split {
  display: grid;
  gap: var(--ct-gap);
}

/* ---------- 技能树 ---------- */
.page-contact .ct-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-tree__node {
  position: relative;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  padding: 16px 16px 16px 14px;
  border-radius: var(--r-card);
  background: var(--deep);
  border: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .ct-tree__node::after {
  content: "";
  position: absolute;
  left: 33px;
  bottom: -11px;
  width: 1px;
  height: 11px;
  background: var(--line);
}

.page-contact .ct-tree__node:last-child::after {
  display: none;
}

.page-contact .ct-tree__node:hover {
  border-color: rgba(57, 242, 208, 0.45);
  transform: translateX(2px);
}

.page-contact .ct-tree__idx {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(57, 242, 208, 0.08);
  color: var(--cyan);
  font-size: 0.78rem;
}

.page-contact .ct-tree__body h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-tree__body p {
  margin: 0 0 8px;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-tree__hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--fog);
}

.page-contact .ct-tree__hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(57, 242, 208, 0.35);
}

.page-contact .ct-tree__hint a:hover,
.page-contact .ct-tree__hint a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 渠道块 ---------- */
.page-contact .ct-channels {
  padding: 22px 18px;
  border-radius: var(--r-panel);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--deep-800), var(--deep));
}

.page-contact .ct-channels h2 {
  margin: 8px 0 16px;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--paper);
}

.page-contact .ct-channels__figure {
  margin: 0 0 16px;
}

.page-contact .ct-channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-channel {
  padding: 14px 14px 14px 16px;
  border-radius: var(--r-card);
  background: rgba(10, 15, 13, 0.5);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
}

.page-contact .ct-channel--plain {
  border-left-color: var(--amber);
}

.page-contact .ct-channel__label {
  margin: 0 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--fog);
}

.page-contact .ct-channel__value {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel a.ct-channel__value {
  border-bottom: 1px solid rgba(57, 242, 208, 0.35);
}

.page-contact .ct-channel a.ct-channel__value:hover,
.page-contact .ct-channel a.ct-channel__value:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .ct-channel__desc {
  margin: 8px 0 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 服务时段 ---------- */
.page-contact .ct-band {
  display: grid;
  gap: 18px;
  padding: 22px 18px;
  border-radius: var(--r-panel);
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(57, 242, 208, 0.09), transparent 46%),
    var(--deep);
}

.page-contact .ct-band__intro h2 {
  margin: 8px 0 8px;
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  font-weight: 850;
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .ct-band__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-band__list li {
  padding: 14px 14px 14px 16px;
  border-radius: var(--r-card);
  background: rgba(15, 43, 34, 0.85);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
}

.page-contact .ct-band__time {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .ct-band__list h3 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-band__list p:last-child {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--text-dim);
}

/* ---------- 自助查询 ---------- */
.page-contact .ct-self {
  display: grid;
  gap: 10px;
}

.page-contact .ct-self__card {
  display: block;
  padding: 20px 18px;
  border-radius: var(--r-panel);
  border: 1px solid var(--line);
  background: var(--deep);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .ct-self__card:hover,
.page-contact .ct-self__card:focus-visible {
  border-color: rgba(57, 242, 208, 0.5);
  transform: translateY(-2px);
}

.page-contact .ct-self__card--wide {
  background:
    radial-gradient(110% 120% at 0% 0%, rgba(57, 242, 208, 0.16), transparent 60%),
    var(--deep-800);
}

.page-contact .ct-self__kicker {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .ct-self__card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .ct-self__card p {
  margin: 0 0 14px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-self__go {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  border-bottom: 1px solid rgba(57, 242, 208, 0.4);
  padding-bottom: 2px;
}

/* ---------- 地址与邮件 ---------- */
.page-contact .ct-records {
  padding: 22px 18px;
  border-radius: var(--r-panel);
  border: 1px solid var(--line);
  background: var(--deep);
}

.page-contact .ct-records__head h2 {
  margin: 8px 0 8px;
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  font-weight: 850;
  line-height: 1.15;
  color: var(--paper);
}

.page-contact .ct-record {
  margin: 18px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-record__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .ct-record__row:first-child {
  border-top: 1px dashed var(--line);
}

.page-contact .ct-record dt {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .ct-record dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-records__note {
  margin: 16px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-contact .container {
    padding: 0 28px;
  }

  .page-contact .ct-band {
    grid-template-columns: 1fr;
    padding: 28px 26px;
  }

  .page-contact .ct-band__list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .ct-self {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-contact .ct-self__card--wide {
    grid-column: span 7;
  }

  .page-contact .ct-self__card {
    grid-column: span 5;
  }

  .page-contact .ct-self__card--slim {
    grid-column: span 12;
  }

  .page-contact .ct-record__row {
    grid-template-columns: 180px 1fr;
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact {
    padding-bottom: 72px;
  }

  .page-contact .ct-hero {
    padding-top: 118px;
  }

  .page-contact .ct-hero__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
    align-items: start;
  }

  .page-contact .ct-hero__main {
    grid-column: span 6;
  }

  .page-contact .ct-batch {
    grid-column: span 6;
    padding: 30px 28px 26px;
  }

  .page-contact .ct-section {
    padding-top: 34px;
  }

  .page-contact .ct-split {
    grid-template-columns: repeat(12, 1fr);
    gap: 14px;
    align-items: start;
  }

  .page-contact .ct-route {
    grid-column: span 7;
  }

  .page-contact .ct-channels {
    grid-column: span 5;
    position: sticky;
    top: 96px;
    padding: 26px 22px;
  }

  .page-contact .ct-tree {
    gap: 12px;
  }

  .page-contact .ct-band {
    grid-template-columns: 5fr 7fr;
    align-items: center;
    padding: 30px 30px;
    gap: 26px;
  }

  .page-contact .ct-self {
    gap: 12px;
  }

  .page-contact .ct-self__card {
    padding: 24px 22px;
  }

  .page-contact .ct-records {
    padding: 30px 30px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-tree__node,
  .page-contact .ct-self__card,
  .page-contact .ct-check li {
    transition: none;
  }

  .page-contact .ct-tree__node:hover,
  .page-contact .ct-self__card:hover {
    transform: none;
  }
}