.page-contact {
  --ct-line: rgba(127, 227, 212, 0.16);
  --ct-line-strong: rgba(127, 227, 212, 0.34);
  --ct-radius: 4px;
  --ct-section-pad: clamp(46px, 7vw, 96px);
  display: block;
}

.page-contact section[id] {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 58px) 0 clamp(44px, 6.4vw, 88px);
  background:
    radial-gradient(118% 88% at 90% -6%, rgba(200, 16, 46, 0.17), transparent 60%),
    radial-gradient(92% 74% at 4% 104%, rgba(46, 158, 155, 0.15), transparent 66%);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: clamp(30px, 4.6vw, 58px);
  align-items: end;
}

.page-contact .ct-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.6vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .ct-hero .lead {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--text-body);
}

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

.page-contact .ct-index li {
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-index a {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 2px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.28s var(--ease), padding-left 0.28s var(--ease);
}

.page-contact .ct-index a:hover,
.page-contact .ct-index a:focus-visible {
  color: var(--gold-light);
  padding-left: 10px;
}

.page-contact .route-list__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ---------- 区块通用 ---------- */

.page-contact .ct-section {
  padding: var(--ct-section-pad) 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(26px, 3.6vw, 48px);
}

.page-contact .ct-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

/* ---------- 渠道卡 ---------- */

.page-contact .ct-channel-figure {
  margin: 0 0 clamp(26px, 3.6vw, 46px);
  border: 1px solid var(--ct-line);
  border-radius: var(--ct-radius);
  overflow: hidden;
  background: linear-gradient(142deg, rgba(14, 44, 76, 0.9), rgba(7, 26, 47, 0.96) 58%, rgba(200, 16, 46, 0.18));
}

.page-contact .ct-channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1200 / 750;
  opacity: 0.94;
}

.page-contact .ct-channel-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
  grid-template-columns: 1fr;
}

.page-contact .ct-channel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 2.6vw, 34px);
  border-left: 2px solid var(--red);
  border-radius: var(--ct-radius);
}

.page-contact .ct-channel__key {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .ct-channel__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.65;
  color: var(--gold-light);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid rgba(232, 179, 59, 0.32);
  padding-bottom: 8px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-contact .ct-channel__cases {
  list-style: none;
  margin: auto 0 0;
  padding: 14px 0 0;
  display: grid;
  gap: 8px;
  border-top: 1px solid var(--ct-line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .ct-channel__cases li {
  padding-left: 16px;
  position: relative;
}

.page-contact .ct-channel__cases li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 1px;
  background: var(--wave);
}

/* ---------- 值班时段 ---------- */

.page-contact .ct-hours__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 46px);
  grid-template-columns: 1fr;
}

.page-contact .ct-hours__clock {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(96deg, var(--gold-light), var(--gold) 46%, var(--wave));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .ct-hours__sub {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  color: var(--paper);
}

.page-contact .ct-hours__text {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-body);
}

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

.page-contact .ct-hours__list li {
  display: grid;
  gap: 6px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-hours__num {
  font-family: var(--font-mono);
  font-size: clamp(23px, 2.8vw, 30px);
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-contact .ct-hours__num em {
  font-style: normal;
  font-size: 13px;
  color: var(--wave);
  margin-left: 8px;
  letter-spacing: 0.06em;
}

.page-contact .ct-hours__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 反馈材料 ---------- */

.page-contact .ct-materials__panel {
  border-radius: var(--ct-radius);
}

.page-contact .ct-materials__intro {
  margin: 0 0 clamp(24px, 3vw, 36px);
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(20, 22, 26, 0.72);
}

.page-contact .ct-materials__grid {
  display: grid;
  gap: clamp(26px, 3.2vw, 46px);
  grid-template-columns: 1fr;
}

.page-contact .ct-material__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--black);
}

.page-contact .ct-material__title::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 2px;
  margin-right: 10px;
  transform: translateY(-3px);
  background: var(--red);
}

.page-contact .ct-material__note {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(20, 22, 26, 0.62);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-checklist li {
  position: relative;
  padding-left: 27px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(20, 22, 26, 0.88);
}

.page-contact .ct-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--wave);
  border-radius: 2px;
  background: linear-gradient(140deg, rgba(46, 158, 155, 0.3), rgba(46, 158, 155, 0.04));
}

/* ---------- 渠道对照 ---------- */

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

.page-contact .ct-route {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-route__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-contact .ct-route__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .ct-route__text {
  margin: 0;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--text-body);
}

.page-contact .ct-route__text a {
  color: var(--glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 227, 212, 0.38);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

.page-contact .ct-route__chan {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}

/* ---------- 服务区域 ---------- */

.page-contact .ct-region__inner {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.page-contact .ct-region h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .ct-region .prose {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--text-body);
}

.page-contact .ct-facts {
  margin: clamp(24px, 3vw, 36px) 0 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-fact {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-fact dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-contact .ct-fact dd {
  margin: 0;
  font-size: 15.5px;
  color: var(--paper);
}

.page-contact .ct-fact dd.mono {
  font-family: var(--font-mono);
  color: var(--gold-light);
}

.page-contact .ct-region__figure {
  margin: 0;
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--ct-line-strong);
  border-radius: var(--ct-radius);
  overflow: hidden;
  background:
    radial-gradient(80% 80% at 30% 20%, rgba(232, 179, 59, 0.16), transparent 62%),
    linear-gradient(152deg, rgba(14, 44, 76, 0.94), rgba(7, 26, 47, 0.98));
}

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

/* ---------- 底部索引条 ---------- */

.page-contact .ct-indexbar-wrap {
  padding: clamp(26px, 3.6vw, 46px) 0 clamp(42px, 5.4vw, 76px);
}

.page-contact .ct-indexbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 18px;
  border-top: 1px solid var(--ct-line-strong);
}

.page-contact .ct-indexbar a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.25s var(--ease);
}

.page-contact .ct-indexbar a:hover,
.page-contact .ct-indexbar a:focus-visible {
  color: var(--gold-light);
}

.page-contact .ct-indexbar .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-contact .ct-channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-channel:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .ct-channel:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .ct-channel-figure img {
    max-height: 380px;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-materials__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-route {
    grid-template-columns: 60px minmax(0, 1fr) 190px;
    gap: 10px 26px;
    align-items: start;
  }

  .page-contact .ct-route__chan {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(40px, 5.4vw, 84px);
    align-items: start;
  }

  .page-contact .ct-region__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.85fr);
    gap: clamp(38px, 5vw, 80px);
  }

  .page-contact .ct-region__figure {
    max-width: 420px;
    justify-self: center;
    width: 100%;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
  }
}

/* 悬停时展开渠道卡的适用场景（仅指针设备与较宽屏幕） */
@media (hover: hover) and (pointer: fine) and (min-width: 760px) {
  .page-contact .ct-channel__cases {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding-top: 0;
    border-top-color: transparent;
    transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease), padding-top 0.4s var(--ease), border-color 0.4s var(--ease);
  }

  .page-contact .ct-channel:hover .ct-channel__cases,
  .page-contact .ct-channel:focus-within .ct-channel__cases {
    max-height: 240px;
    opacity: 1;
    padding-top: 14px;
    border-top-color: var(--ct-line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-index a,
  .page-contact .ct-channel__value,
  .page-contact .ct-indexbar a {
    transition: none;
  }

  .page-contact .ct-channel__cases {
    max-height: none;
    opacity: 1;
    padding-top: 14px;
    border-top-color: var(--ct-line);
  }
}