/* ===== 咨询通道 /contact ===== */
.page-contact {
  --ct-gap: clamp(16px, 2.2vw, 26px);
  --ct-pad: clamp(20px, 3vw, 32px);
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0 0 .5em;
}

.page-contact h1 {
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact h2 {
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-contact h3 {
  font-size: clamp(17px, 2.1vw, 21px);
  line-height: 1.32;
}

/* 首屏 */
.page-contact .ct-head {
  padding-top: clamp(26px, 4.5vw, 54px);
}

.page-contact .breadcrumb {
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-contact .ct-lead {
  max-width: 64ch;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  color: var(--body);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.78;
}

.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-jump > li {
  list-style: none;
  margin: 0;
}

/* 章节标题 */
.page-contact .ct-sec-head {
  max-width: 74ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .ct-sec-lead {
  margin: 0;
  color: var(--body);
  font-size: 16px;
  line-height: 1.78;
}

.page-contact .band {
  margin-bottom: clamp(20px, 3vw, 30px);
}

/* 图片容器 */
.page-contact .ct-route-figure,
.page-contact .ct-net-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
  background: var(--hull);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .ct-route-figure img,
.page-contact .ct-net-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .figure__cap {
  padding: 12px 16px;
  color: var(--steel);
  font-size: 13px;
  line-height: 1.6;
}

/* 通道卡片 */
.page-contact .ct-channels {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  padding: calc(var(--ct-pad) + 4px) var(--ct-pad) var(--ct-pad);
  border-top: 4px solid var(--neon);
  border-radius: var(--radius);
}

.page-contact .ct-channel--alt {
  border-top-color: var(--orange);
}

.page-contact .ct-channel--biz {
  border-top-color: var(--cyan);
}

.page-contact .ct-channel__no {
  margin: 0 0 10px;
  color: var(--steel);
  font-size: 12px;
  letter-spacing: .2em;
}

.page-contact .ct-channel__title {
  margin: 0 0 10px;
  color: #FFFFFF;
}

.page-contact .ct-channel__for {
  margin: 0 0 18px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .ct-channel__dl {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
}

.page-contact .ct-channel__dl dt {
  margin-bottom: 5px;
  color: var(--neon);
  font-size: 12px;
  letter-spacing: .14em;
}

.page-contact .ct-channel--alt .ct-channel__dl dt {
  color: var(--orange);
}

.page-contact .ct-channel--biz .ct-channel__dl dt {
  color: var(--cyan);
}

.page-contact .ct-channel__dl dd {
  margin: 0 0 3px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.7;
  word-break: break-word;
}

.page-contact .ct-details {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  color: var(--cyan);
  font-size: 14px;
  line-height: 1.6;
}

.page-contact .ct-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-details summary::before {
  content: "+";
  flex: 0 0 auto;
  color: var(--neon);
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1;
}

.page-contact .ct-details[open] summary::before {
  content: "\2013";
  color: var(--orange);
}

.page-contact .ct-details ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--body);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .ct-details li {
  margin-bottom: 6px;
}

/* 订阅索引 */
.page-contact .ct-sub__list {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-sub__row {
  display: grid;
  gap: 6px 28px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-sub__name {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .ct-sub__freq {
  color: var(--orange);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .06em;
}

.page-contact .ct-sub__desc {
  margin: 0;
  color: var(--body);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .ct-sub__row--note .ct-sub__name {
  color: var(--neon);
}

/* 响应时间条 */
.page-contact .ct-bars {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  margin: 0;
}

.page-contact .ct-bar__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 9px;
}

.page-contact .ct-bar__label {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
}

.page-contact .ct-bar__note {
  color: var(--steel);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .ct-bar__track {
  display: block;
  height: 8px;
  background: var(--hull);
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.page-contact .ct-bar__fill {
  display: block;
  height: 100%;
  width: 40%;
  background: var(--neon);
}

.page-contact .ct-bar:nth-child(1) .ct-bar__fill {
  width: 96%;
  background: var(--neon);
}

.page-contact .ct-bar:nth-child(2) .ct-bar__fill {
  width: 74%;
  background: var(--neon);
}

.page-contact .ct-bar:nth-child(3) .ct-bar__fill {
  width: 56%;
  background: var(--cyan);
}

.page-contact .ct-bar:nth-child(4) .ct-bar__fill {
  width: 40%;
  background: var(--orange);
}

/* 合作方向 */
.page-contact .ct-biz {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .ct-biz__item {
  padding-top: 16px;
  border-top: 2px solid var(--line);
  transition: border-color .15s ease;
}

.page-contact .ct-biz__item:hover {
  border-top-color: var(--neon);
}

.page-contact .ct-biz__no {
  margin: 0 0 8px;
  color: var(--orange);
  font-size: 28px;
  line-height: 1;
}

.page-contact .ct-biz__item h3 {
  margin: 0 0 10px;
  color: #FFFFFF;
}

.page-contact .ct-biz__item p {
  margin: 0 0 14px;
  color: var(--body);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .ct-biz__item .ct-biz__need {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  color: var(--steel);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .ct-biz__foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .ct-biz__foot a {
  color: var(--cyan);
}

/* 暖纸白信息卡 */
.page-contact .ct-paper {
  padding: clamp(22px, 3.4vw, 44px);
  border-radius: var(--radius);
  color: var(--ink);
}

.page-contact .ct-paper h2 {
  margin: 0 0 20px;
  color: var(--ink);
}

.page-contact .ct-paper .eyebrow {
  color: #1C6B4A;
}

.page-contact .ct-paper__list {
  margin: 0 0 20px;
}

.page-contact .ct-paper__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(12, 20, 36, .16);
}

.page-contact .ct-paper__row:first-child {
  border-top: 1px solid rgba(12, 20, 36, .16);
}

.page-contact .ct-paper__row dt {
  color: #4A5568;
  font-size: 13px;
  letter-spacing: .1em;
}

.page-contact .ct-paper__row dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .ct-paper__note {
  margin: 0;
  color: #3A4658;
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .ct-paper__note a {
  color: #0B5C8A;
  text-decoration: underline;
}

/* 提交前自查 */
.page-contact .ct-pre {
  display: grid;
  gap: var(--ct-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .ct-pre__item {
  display: flex;
}

.page-contact .ct-pre__link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  padding: var(--ct-pad);
  background: var(--hull);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform .15s ease, border-color .15s ease;
}

.page-contact .ct-pre__link:hover {
  transform: translateY(-2px);
  border-color: var(--neon);
}

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

.page-contact .ct-pre__name {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.page-contact .ct-pre__desc {
  color: var(--body);
  font-size: 14px;
  line-height: 1.78;
}

.page-contact .ct-pre__go {
  margin-top: auto;
  padding-top: 10px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-contact .ct-pre__go::after {
  content: " \2192";
}

/* 响应式 */
@media (min-width: 768px) {
  .page-contact .ct-route-figure img {
    aspect-ratio: 21 / 9;
  }

  .page-contact .ct-net-figure img {
    aspect-ratio: 24 / 7;
  }

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

  .page-contact .ct-sub__row {
    grid-template-columns: minmax(0, 230px) minmax(0, 1fr);
    align-items: baseline;
  }

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

  .page-contact .ct-paper__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 992px) {
  .page-contact .ct-channel:nth-child(2) {
    margin-top: 28px;
  }

  .page-contact .ct-channel:nth-child(3) {
    margin-top: 14px;
  }

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