.page-contact {
  --ct-gap: clamp(18px, 2.6vw, 30px);
  --ct-pad: clamp(20px, 3vw, 30px);
  --ct-shadow: 0 22px 48px -30px rgba(10, 58, 90, 0.55);
  display: block;
  padding-bottom: clamp(48px, 7vw, 92px);
  color: var(--at-stone);
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--at-deep);
}

.page-contact .ct-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    112deg,
    rgba(10, 58, 90, 0.95) 4%,
    rgba(14, 90, 138, 0.84) 46%,
    rgba(14, 90, 138, 0.48) 76%,
    rgba(240, 138, 60, 0.32) 100%
  );
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 2;
  color: #f3f8fc;
  padding-top: clamp(46px, 7vw, 92px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-contact .ct-hero .at-breadcrumb {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.page-contact .ct-hero .at-breadcrumb a {
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
}

.page-contact .ct-hero .at-breadcrumb a:hover {
  color: #fff;
  text-decoration: underline;
}

.page-contact .ct-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--at-sprout);
}

.page-contact .ct-hero__title {
  margin: 0 0 20px;
  max-width: 20ch;
  color: #fff;
  text-shadow: 0 3px 26px rgba(6, 40, 64, 0.45);
}

.page-contact .ct-hero__accent {
  color: #ffc38c;
}

.page-contact .ct-hero__lead {
  max-width: 56ch;
  margin: 0 0 32px;
  color: rgba(238, 246, 252, 0.92);
}

.page-contact .ct-hero__quick {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.page-contact .ct-hero__quick-item {
  padding: 14px 18px;
  border-radius: var(--at-r-sm);
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(6px);
}

.page-contact .ct-hero__quick-item dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.74);
}

.page-contact .ct-hero__quick-item dd {
  margin: 0;
  font-size: clamp(14px, 3.4vw, 17px);
  color: #fff;
  word-break: break-all;
  line-height: 1.5;
}

@media (min-width: 720px) {
  .page-contact .ct-hero__quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 700px;
  }
}

/* ---------- 章节通用 ---------- */

.page-contact .ct-section {
  padding-top: clamp(44px, 6vw, 80px);
}

.page-contact .ct-head {
  margin-bottom: clamp(22px, 3vw, 34px);
  max-width: 64ch;
}

.page-contact .ct-sub {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.76;
  color: rgba(74, 79, 85, 0.88);
}

.page-contact a {
  color: var(--at-sea);
  text-decoration-color: rgba(14, 90, 138, 0.4);
  text-underline-offset: 3px;
}

.page-contact a:hover {
  color: var(--at-clay);
  text-decoration-color: currentColor;
}

/* ---------- 三条路径 ---------- */

.page-contact .ct-routes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

@media (min-width: 880px) {
  .page-contact .ct-routes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-route {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px var(--ct-pad) var(--ct-pad);
  border-radius: var(--at-r-md);
  border: 1px solid rgba(14, 90, 138, 0.16);
  background: var(--at-glass);
  backdrop-filter: blur(10px);
  box-shadow: var(--ct-shadow);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-contact .ct-route:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 56px -30px rgba(10, 58, 90, 0.6);
}

.page-contact .ct-route::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--ct-bar, var(--at-sea));
}

.page-contact .ct-route--mail {
  --ct-bar: linear-gradient(90deg, var(--at-sea), var(--at-tide));
  --ct-accent: var(--at-sea);
}

.page-contact .ct-route--call {
  --ct-bar: linear-gradient(90deg, var(--at-moss), var(--at-sprout));
  --ct-accent: var(--at-moss);
}

.page-contact .ct-route--coop {
  --ct-bar: linear-gradient(90deg, var(--at-orange), var(--at-clay));
  --ct-accent: var(--at-clay);
}

.page-contact .ct-route__kind {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--ct-accent, var(--at-sea));
}

.page-contact .ct-route__kind::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.page-contact .ct-route__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.32;
  font-weight: 700;
  color: var(--at-deep);
}

.page-contact .ct-route__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--at-ink);
  word-break: break-all;
}

.page-contact .ct-route__use {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--at-stone);
}

.page-contact .ct-route__foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--at-line);
}

.page-contact .ct-copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--ct-accent, var(--at-sea));
  background: transparent;
  color: var(--ct-accent, var(--at-sea));
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-copy:hover {
  background: var(--ct-accent, var(--at-sea));
  color: #fff;
}

.page-contact .ct-copy[aria-pressed="true"] {
  background: var(--at-moss);
  border-color: var(--at-moss);
  color: #fff;
}

/* ---------- 反馈格式 ---------- */

.page-contact .ct-brief {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--at-s2);
}

@media (min-width: 960px) {
  .page-contact .ct-brief {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
    gap: clamp(28px, 3.4vw, 46px);
  }
}

.page-contact .ct-brief__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-brief__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--at-r-sm);
  background: #fff;
  border: 1px solid var(--at-line);
  border-left: 3px solid var(--at-tide);
}

.page-contact .ct-brief__item:nth-child(2) {
  border-left-color: var(--at-sprout);
}

.page-contact .ct-brief__item:nth-child(3) {
  border-left-color: var(--at-orange);
}

.page-contact .ct-brief__item:nth-child(4) {
  border-left-color: var(--at-clay);
}

.page-contact .ct-brief__idx {
  padding-top: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--at-sea);
}

.page-contact .ct-brief__item strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  color: var(--at-deep);
}

.page-contact .ct-brief__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--at-stone);
}

.page-contact .ct-brief__figure {
  margin: 0;
  border-radius: var(--at-r-md);
  overflow: hidden;
  background: var(--at-tide);
  box-shadow: var(--ct-shadow);
}

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

.page-contact .ct-brief__figure figcaption {
  padding: 15px 18px;
  font-size: 13px;
  line-height: 1.66;
  color: rgba(10, 58, 90, 0.88);
  background: var(--at-tide);
}

.page-contact .ct-brief__more {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--at-stone);
}

/* ---------- 合作与接入 ---------- */

.page-contact .ct-partner {
  scroll-margin-top: 88px;
}

.page-contact .ct-partner__inner {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 50px) clamp(20px, 3.4vw, 44px);
  border-radius: var(--at-r-lg);
  border: 1px solid rgba(14, 90, 138, 0.14);
  background: linear-gradient(140deg, var(--at-tide) 0%, #e9f5fa 56%, var(--at-sand) 100%);
}

.page-contact .ct-partner__inner::after {
  content: "";
  position: absolute;
  right: -72px;
  top: -72px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  border: 16px solid rgba(255, 255, 255, 0.66);
  pointer-events: none;
}

.page-contact .ct-partner__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
}

@media (min-width: 820px) {
  .page-contact .ct-partner__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-partner__card {
  padding: 20px 20px 22px;
  border-radius: var(--at-r-sm);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(14, 90, 138, 0.14);
}

.page-contact .ct-partner__card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--at-deep);
}

.page-contact .ct-partner__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--at-stone);
}

.page-contact .ct-steps {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 26px 0 0;
  padding: 22px 0 0;
  border-top: 1px dashed rgba(14, 90, 138, 0.26);
  display: grid;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-contact .ct-steps li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.66;
  color: var(--at-deep);
}

.page-contact .ct-steps__n {
  font-size: 13px;
  font-weight: 600;
  color: var(--at-orange);
}

.page-contact .ct-partner__link {
  position: relative;
  z-index: 1;
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--at-stone);
}

/* ---------- 响应节奏 ---------- */

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

.page-contact .ct-rhythm__row {
  display: grid;
  gap: 6px 22px;
  padding: 18px 4px;
  border-bottom: 1px solid var(--at-line);
}

@media (min-width: 720px) {
  .page-contact .ct-rhythm__row {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    padding: 20px 4px;
  }
}

.page-contact .ct-rhythm__time {
  font-size: clamp(17px, 4vw, 20px);
  font-weight: 600;
  color: var(--at-sea);
}

.page-contact .ct-rhythm__what {
  font-size: 15px;
  line-height: 1.74;
  color: var(--at-stone);
}

/* ---------- 站点信息 ---------- */

.page-contact .ct-info {
  margin-top: clamp(48px, 6.4vw, 88px);
  border-radius: var(--at-r-lg);
  background: linear-gradient(135deg, var(--at-deep) 0%, #10496f 68%, var(--at-sea) 100%);
  color: #eaf2f8;
}

.page-contact .ct-info__inner {
  padding-top: clamp(32px, 4.6vw, 56px);
  padding-bottom: clamp(32px, 4.6vw, 56px);
}

.page-contact .ct-info__title {
  margin: 0;
  color: #fff;
}

.page-contact .ct-info__lead {
  max-width: 56ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.74;
  color: rgba(207, 230, 242, 0.88);
}

.page-contact .ct-info__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 26px;
}

@media (min-width: 780px) {
  .page-contact .ct-info__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px 44px;
  }
}

.page-contact .ct-info__cell {
  padding-left: 16px;
  border-left: 2px solid rgba(168, 213, 162, 0.5);
}

.page-contact .ct-info__k {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(207, 230, 242, 0.72);
}

.page-contact .ct-info__v {
  margin: 0;
  font-size: clamp(15px, 3.2vw, 18px);
  line-height: 1.62;
  color: #fff;
  word-break: break-all;
}

.page-contact .ct-info__note {
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(207, 230, 242, 0.22);
  font-size: 14px;
  line-height: 1.74;
  color: rgba(207, 230, 242, 0.84);
}

.page-contact .ct-info__note a {
  color: var(--at-sprout);
  text-decoration-color: rgba(168, 213, 162, 0.5);
}

.page-contact .ct-info__note a:hover {
  color: #fff;
}

/* ---------- 减动模式 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-route {
    transition: none;
  }

  .page-contact .ct-route:hover {
    transform: none;
  }

  .page-contact .ct-copy {
    transition: none;
  }
}
