.page-contact {
  --ct-gap: clamp(18px, 3vw, 28px);
}

.page-contact .breadcrumbs {
  margin: 18px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  max-width: 960px;
  padding: clamp(18px, 3.4vw, 36px) 0 clamp(28px, 4.5vw, 52px);
  position: relative;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 12%;
  width: 46%;
  height: 68%;
  border-right: 1px solid var(--line-soft);
  border-top: 1px solid var(--line-soft);
  border-radius: 0 46px 0 0;
  pointer-events: none;
  opacity: .7;
}

.page-contact .ct-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .ct-hero__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-hero__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.72;
  color: var(--text-2);
}

.page-contact .ct-hero__quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.page-contact .ct-hero__quick li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(20, 40, 61, .55);
  font-size: 13px;
  color: var(--text-3);
}

.page-contact .ct-hero__quick .u-mono {
  color: var(--paper);
  font-size: 12.5px;
}

/* ---------- 区块壳 ---------- */
.page-contact .ct-block {
  padding: clamp(34px, 5vw, 68px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-block--last {
  padding-bottom: clamp(46px, 7vw, 88px);
}

.page-contact .ct-block__head {
  max-width: 760px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .ct-h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 3.4vw, 33px);
  line-height: 1.24;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .ct-block__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-contact .ct-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-violet);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--text-3);
}

/* ---------- 三张渠道卡 ---------- */
.page-contact .ct-chan-grid {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .chan-card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(20, 40, 61, .92), rgba(11, 27, 43, .96));
  transition: transform .32s var(--ease), border-color .32s var(--ease), box-shadow .32s var(--ease);
}

.page-contact .chan-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 2px;
  border-radius: 2px;
  background: var(--line-soft);
  transition: background .32s var(--ease);
}

.page-contact .chan-card:hover,
.page-contact .chan-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-cyan);
  box-shadow: var(--shadow-1);
}

.page-contact .chan-card:hover::before,
.page-contact .chan-card:focus-within::before {
  background: var(--cyan);
}

.page-contact .chan-card--mail::before { background: var(--cyan); }
.page-contact .chan-card--tel::before { background: var(--violet); }
.page-contact .chan-card--addr::before { background: var(--clay); }

.page-contact .chan-card__no {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-contact .chan-card__title {
  margin: 0 0 12px;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 700;
  color: var(--paper);
}

.page-contact .chan-card__value {
  margin: 0 0 14px;
  font-size: clamp(15px, 2.1vw, 21px);
  line-height: 1.42;
  letter-spacing: .01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .chan-card--tel .chan-card__value {
  color: var(--violet);
  letter-spacing: .04em;
}

.page-contact .chan-card__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(16px, 2.2vw, 22px);
  letter-spacing: -.01em;
  color: var(--paper);
  word-break: normal;
}

.page-contact .chan-card__text {
  margin: 0 0 16px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-contact .chan-card__hint {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--text-3);
}

.page-contact .ct-map {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin-top: 20px;
  color: rgba(124, 138, 154, .45);
}

.page-contact .ct-map__dot {
  fill: var(--cyan);
}

/* ---------- 两栏排布 ---------- */
.page-contact .ct-two-col {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

/* ---------- 归档规则列表 ---------- */
.page-contact .ct-rules {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .ct-rules__item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-rules__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-rules__no {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--violet);
  padding-top: 4px;
}

.page-contact .ct-rules__body h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .ct-rules__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-2);
}

/* ---------- 标题写法示例 ---------- */
.page-contact .ct-template {
  margin-top: 28px;
  padding: 20px clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(6, 14, 23, .55);
}

.page-contact .ct-template__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-contact .ct-template__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-pill-example {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line-cyan);
  border-radius: var(--pill);
  font-size: 12.5px;
  color: var(--cyan);
  background: rgba(53, 224, 208, .07);
  word-break: break-all;
}

/* ---------- 图片容器 ---------- */
.page-contact .ct-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink-2);
}

.page-contact .ct-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-figure__caption {
  display: block;
  padding: 12px 16px 14px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-3);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 处理顺序 ---------- */
.page-contact .ct-queue {
  margin: 24px 0 0;
  display: grid;
  gap: 2px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

.page-contact .ct-queue__row {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  background: rgba(20, 40, 61, .5);
}

.page-contact .ct-queue__row:nth-child(even) {
  background: rgba(20, 40, 61, .28);
}

.page-contact .ct-queue__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .ct-queue__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--text-2);
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-checklist {
  display: grid;
  gap: 14px;
}

.page-contact .ct-check {
  position: relative;
  padding: 20px 20px 20px 22px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line-violet);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(20, 40, 61, .34);
  transition: background .3s var(--ease), border-left-color .3s var(--ease);
}

.page-contact .ct-check:hover {
  background: rgba(20, 40, 61, .62);
  border-left-color: var(--cyan);
}

.page-contact .ct-check__key {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .ct-check__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 合作通道 ---------- */
.page-contact .ct-partner {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

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

.page-contact .ct-partner__item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 27, 43, .6);
}

.page-contact .ct-partner__item p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 站点信息窄条 ---------- */
.page-contact .ct-legal {
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-3);
}

.page-contact .ct-legal__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  font-weight: 500;
  color: var(--slate);
}

.page-contact .ct-legal__grid {
  display: grid;
  gap: 16px;
  margin: 0;
}

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

.page-contact .ct-legal__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-legal__key {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .ct-legal__val {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .ct-legal__note {
  margin: 20px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .ct-legal__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

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

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

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

  .page-contact .ct-queue__row {
    grid-template-columns: 96px 1fr;
    align-items: start;
    gap: 18px;
  }

  .page-contact .ct-legal__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }

  .page-contact .ct-legal__item {
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-contact .ct-partner {
    grid-template-columns: 1fr 1.15fr;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .ct-hero {
    padding-bottom: clamp(40px, 5vw, 72px);
  }

  .page-contact .ct-chan-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .chan-card--mail {
    grid-column: 1 / span 7;
  }

  .page-contact .chan-card--tel {
    grid-column: 8 / span 5;
    margin-top: 52px;
  }

  .page-contact .chan-card--addr {
    grid-column: 3 / span 10;
  }

  .page-contact .ct-two-col {
    grid-template-columns: 1.05fr .95fr;
    gap: 52px;
  }

  .page-contact .ct-two-col--flip {
    grid-template-columns: .95fr 1.05fr;
  }

  .page-contact .ct-figure--tall {
    margin-top: 34px;
  }

  .page-contact .ct-checklist {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1180px) {
  .page-contact .ct-two-col {
    gap: 64px;
  }

  .page-contact .chan-card--addr {
    grid-column: 3 / span 9;
  }
}

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

  .page-contact .chan-card:hover,
  .page-contact .chan-card:focus-within {
    transform: none;
  }
}