.page-contact {
  --ct-edge: 1px solid var(--flow);
  --ct-hair: 1px dashed rgba(46, 100, 147, .6);
  --ct-panel: linear-gradient(158deg, #0E2A45 0%, #071A2B 88%);
  --ct-paper-ink: #0E2A45;
  --ct-paper-line: rgba(14, 42, 69, .16);
  display: block;
  background: var(--abyss);
  color: var(--silver);
  font-family: var(--font-sans);
  padding: 0 0 clamp(64px, 8vw, 120px);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}
.page-contact .crumbs ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-contact .crumbs li {
  display: flex;
  align-items: center;
  color: rgba(169, 183, 196, .72);
}
.page-contact .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--flow);
}
.page-contact .crumbs a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏：非对称分屏 ---------- */
.page-contact .ct-intro {
  position: relative;
  padding: 4px 0 clamp(44px, 6vw, 84px);
}
.page-contact .ct-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 88% at 92% -6%, rgba(47, 212, 200, .10), transparent 58%),
    radial-gradient(96% 74% at 2% 104%, rgba(255, 106, 43, .07), transparent 62%);
}
.page-contact .ct-intro > .shell {
  position: relative;
}

.page-contact .ct-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: clamp(30px, 4vw, 54px);
}

.page-contact .ct-intro__lead {
  max-width: 620px;
}
.page-contact .ct-intro__lead .index-label {
  display: block;
}
.page-contact .ct-intro__lead h1 {
  margin: 14px 0 0;
  font-size: clamp(40px, 8.4vw, 92px);
  font-weight: 900;
  line-height: .95;
  letter-spacing: -.025em;
  color: var(--mist);
  transform: scaleX(.975);
  transform-origin: left center;
}
.page-contact .ct-intro__lede {
  margin: 22px 0 0;
  max-width: 52ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--silver);
}
.page-contact .ct-intro__lede + .ct-intro__lede {
  margin-top: 14px;
  font-size: 15px;
  color: rgba(169, 183, 196, .84);
}

/* 三条通道 */
.page-contact .ct-routes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-contact .ct-route__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "idx desc"
    "idx go";
  gap: 5px 18px;
  padding: 20px 22px 24px;
  background: var(--ct-panel);
  border: var(--ct-edge);
  border-left-width: 2px;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  text-decoration: none;
  color: inherit;
  transition: transform .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease);
}
.page-contact .ct-route:nth-child(1) .ct-route__link { border-left-color: rgba(255, 106, 43, .62); }
.page-contact .ct-route:nth-child(2) .ct-route__link { border-left-color: rgba(47, 212, 200, .55); }
.page-contact .ct-route:nth-child(3) .ct-route__link { border-left-color: rgba(46, 100, 147, .9); }

.page-contact .ct-route__link:hover,
.page-contact .ct-route__link:focus-visible {
  transform: translateY(-3px);
  background: linear-gradient(158deg, #13324f 0%, #081d31 88%);
  outline: none;
}
.page-contact .ct-route__link:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan) inset;
}
.page-contact .ct-route__idx {
  grid-area: idx;
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--flow);
  transition: color .3s var(--ease);
}
.page-contact .ct-route__link:hover .ct-route__idx,
.page-contact .ct-route__link:focus-visible .ct-route__idx {
  color: var(--orange);
}
.page-contact .ct-route__name {
  grid-area: name;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--mist);
}
.page-contact .ct-route__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}
.page-contact .ct-route__go {
  grid-area: go;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

/* 分流示意图 */
.page-contact .ct-flow {
  margin: clamp(38px, 5vw, 64px) 0 0;
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-block {
  padding: clamp(52px, 7vw, 100px) 0;
  border-top: 1px solid rgba(46, 100, 147, .45);
}
.page-contact .ct-block__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}
.page-contact .ct-block__head h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-contact .ct-copy p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}
.page-contact .ct-copy p:last-child {
  margin-bottom: 0;
}
.page-contact .ct-copy a,
.page-contact .ct-mail__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 212, 200, .42);
  transition: border-color .25s var(--ease);
}
.page-contact .ct-copy a:hover,
.page-contact .ct-mail__note a:hover {
  border-bottom-color: var(--cyan);
}
.page-contact .ct-copy--tail {
  margin-top: 26px;
}

.page-contact .ct-sub {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 30px 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
}
.page-contact .ct-sub::before {
  content: "";
  flex: none;
  width: 16px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .ct-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.page-contact .ct-list--tight {
  gap: 8px;
}
.page-contact .ct-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}
.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 10px;
  height: 1px;
  background: var(--orange);
}

/* 邮件块 */
.page-contact .ct-mail {
  margin-top: 30px;
  padding-top: 24px;
  border-top: var(--ct-hair);
}
.page-contact .mail-copy {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 100%;
  padding: 12px 18px;
  background: rgba(47, 212, 200, .07);
  border: 1px solid rgba(47, 212, 200, .36);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .01em;
  text-align: left;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background-color .25s var(--ease), border-color .25s var(--ease);
}
.page-contact .mail-copy:hover,
.page-contact .mail-copy:focus-visible {
  background: rgba(47, 212, 200, .14);
  border-color: var(--cyan);
  outline: none;
}
.page-contact .mail-copy[data-copied] {
  background: rgba(255, 106, 43, .14);
  border-color: var(--orange);
}
.page-contact .mail-copy-value {
  word-break: break-all;
}
.page-contact .copy-hint {
  padding-left: 12px;
  border-left: 1px solid var(--flow);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--silver);
}
.page-contact .ct-mail__note {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(169, 183, 196, .86);
}

/* 投稿方向网格 */
.page-contact .ct-dirs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--flow);
  border: 1px solid var(--flow);
  margin-top: 4px;
}
.page-contact .ct-dir {
  background: var(--abyss);
  padding: 20px 22px 22px;
  transition: background-color .3s var(--ease);
}
.page-contact .ct-dir:hover {
  background: var(--deep);
}
.page-contact .ct-dir h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--mist);
}
.page-contact .ct-dir p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* 客服联系清单 */
.page-contact .ct-contact {
  margin: 26px 0 4px;
  padding: 20px 22px;
  background: rgba(24, 63, 99, .3);
  border: 1px solid var(--flow);
  border-left: 2px solid var(--orange);
}
.page-contact .ct-contact .mail-copy {
  margin-bottom: 6px;
}
.page-contact .contact-line {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  padding: 13px 0;
  border-bottom: var(--ct-hair);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--mist);
}
.page-contact .contact-line:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-contact .contact-key {
  flex: none;
  min-width: 70px;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--silver);
}

/* ---------- 办公地址：浅色纸张面板 ---------- */
.page-contact .ct-visit {
  padding: clamp(20px, 4vw, 48px) 0 clamp(16px, 3vw, 32px);
}
.page-contact .ct-paper {
  position: relative;
  background: var(--mist);
  color: var(--ct-paper-ink);
  border: 1px solid rgba(3, 17, 28, .16);
  box-shadow: var(--shadow-panel-light);
  padding: clamp(28px, 4.4vw, 64px);
  clip-path: polygon(0 0, calc(100% - 42px) 0, 100% 42px, 100% 100%, 0 100%);
}
.page-contact .ct-paper::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--ct-paper-line);
  pointer-events: none;
}
.page-contact .ct-paper__idx {
  position: relative;
  display: block;
  color: var(--surge);
}
.page-contact .ct-paper__title {
  position: relative;
  margin: 12px 0 0;
  font-size: clamp(25px, 3.6vw, 40px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--abyss);
}
.page-contact .ct-address {
  position: relative;
  margin: 22px 0 0;
  max-width: 30ch;
  font-size: clamp(17px, 2.1vw, 23px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--abyss);
}
.page-contact .ct-visit__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 26px;
}
.page-contact .ct-visit__info p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ct-paper-ink);
}
.page-contact .ct-visit-tag {
  display: inline-block;
  margin: 4px 0 14px;
  padding: 9px 16px;
  background: rgba(255, 106, 43, .14);
  border-left: 3px solid var(--orange);
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #A93A12;
  cursor: help;
  transition: background-color .25s var(--ease), box-shadow .25s var(--ease);
}
.page-contact .ct-visit-tag:hover,
.page-contact .ct-visit-tag:focus-visible {
  background: rgba(255, 106, 43, .24);
  box-shadow: 0 0 0 3px rgba(255, 106, 43, .16);
  outline: none;
}
.page-contact .ct-visit-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(14, 42, 69, .82);
}
.page-contact .ct-map {
  margin: 0;
}
.page-contact .ct-paper .media-frame__caption {
  color: var(--surge);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-timing {
  padding: clamp(44px, 6vw, 88px) 0 0;
}
.page-contact .ct-timing__head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.015em;
  color: var(--mist);
}
.page-contact .ct-timing__list {
  list-style: none;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--flow);
  border: 1px solid var(--flow);
}
.page-contact .ct-timing__list li {
  background: var(--deep);
  padding: 24px 24px 28px;
  transition: background-color .3s var(--ease);
}
.page-contact .ct-timing__list li:hover {
  background: var(--flow);
}
.page-contact .ct-timing__mark {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 300;
  letter-spacing: -.01em;
  color: var(--orange);
}
.page-contact .ct-timing__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-dirs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

@media (min-width: 960px) {
  .page-contact .ct-intro__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }
  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .84fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-block__shell {
    gap: clamp(40px, 5vw, 84px);
  }
  .page-contact .ct-coop .ct-block__shell,
  .page-contact .ct-column .ct-block__shell {
    grid-template-columns: minmax(0, 4.6fr) minmax(0, 7.4fr);
  }
  .page-contact .ct-support .ct-block__shell {
    grid-template-columns: minmax(0, 5.4fr) minmax(0, 6.6fr);
  }
  .page-contact .ct-block__head {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
  .page-contact .ct-column .ct-block__body {
    max-width: 74ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-route__link,
  .page-contact .ct-route__idx,
  .page-contact .mail-copy,
  .page-contact .ct-dir,
  .page-contact .ct-visit-tag,
  .page-contact .ct-timing__list li {
    transition: none;
  }
  .page-contact .ct-route__link:hover,
  .page-contact .ct-route__link:focus-visible {
    transform: none;
  }
}