.page-contact {
  --ct-line: rgba(243, 235, 221, .16);
  --ct-line-dark: rgba(16, 22, 21, .16);
  --ct-gap: clamp(18px, 3vw, 32px);
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(22px, 4vw, 42px) clamp(38px, 6vw, 72px);
  background:
    radial-gradient(900px 460px at 92% -14%, rgba(217, 164, 65, .24), transparent 64%),
    radial-gradient(620px 380px at 4% 0%, rgba(91, 140, 255, .16), transparent 62%),
    var(--ink);
  border-bottom: 3px solid var(--char);
}

.page-contact .ct-hero__head {
  max-width: 62ch;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-contact .ct-hero__title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--jade);
  margin: 12px 0 18px;
}

.page-contact .ct-hero__lead {
  margin: 0;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.75;
  color: rgba(243, 235, 221, .84);
}

.page-contact .ct-hero__facts {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 0;
}

.page-contact .ct-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 148px;
  min-width: 0;
  padding-left: clamp(14px, 2.2vw, 24px);
  border-left: 3px solid var(--gold);
}

.page-contact .ct-hero__facts li:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-contact .ct-hero__facts strong {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .ct-hero__facts span {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-channel {
  padding-block: clamp(36px, 5vw, 64px);
  background: linear-gradient(180deg, var(--ink) 0%, #08211E 58%, var(--ink) 100%);
}

.page-contact .ct-channel__grid {
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-card {
  position: relative;
  border: 3px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--teal) 0%, #0A2B28 62%, #08211E 100%);
  box-shadow: var(--shadow-hard);
  padding: clamp(22px, 3.2vw, 38px);
  overflow: hidden;
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, .26), transparent 68%);
  pointer-events: none;
}

.page-contact .al-section-title {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.28;
  color: var(--jade);
  margin: 10px 0 0;
}

.page-contact .ct-card .al-section-title {
  font-size: clamp(22px, 2.8vw, 32px);
  margin: 10px 0 14px;
}

.page-contact .ct-card__note {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 16px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .82);
}

.page-contact .ct-card__list {
  margin: 0;
  display: grid;
}

.page-contact .ct-card__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 2px dashed var(--ct-line);
}

.page-contact .ct-card__list > .ct-card__row:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .ct-card__row dt {
  display: grid;
  gap: 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--cream);
}

.page-contact .ct-card__tag {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-contact .ct-card__row dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .ct-mono {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 21px);
  letter-spacing: .01em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .ct-copy {
  min-height: 44px;
  padding: 9px 18px;
  border: 2px solid var(--gold);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--gold);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-contact .ct-copy:hover {
  background: var(--gold);
  color: var(--char);
}

.page-contact .ct-copy:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

.page-contact .ct-card__time {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 14px 16px;
  border: 2px solid rgba(240, 106, 77, .7);
  border-radius: 14px;
  background: rgba(240, 106, 77, .12);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(243, 235, 221, .92);
}

.page-contact .ct-card__time strong {
  color: var(--coral);
}

.page-contact .ct-channel__media {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .al-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .al-figure__frame {
  border: 3px solid var(--char);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--pine);
  box-shadow: var(--shadow-hard);
}

.page-contact .al-figure__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .al-figure__cap {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .ct-channel__hint {
  border: 2px solid rgba(243, 235, 221, .22);
  border-radius: 16px;
  background: rgba(28, 90, 80, .3);
  padding: 16px 18px;
}

.page-contact .ct-channel__hint h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--gold);
}

.page-contact .ct-channel__hint p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(243, 235, 221, .8);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-directions {
  padding-block: clamp(40px, 6vw, 80px);
  background: var(--ink);
}

.page-contact .ct-sec-head {
  max-width: 68ch;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-contact .ct-sec-head__lead {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .78);
}

.page-contact .ct-directions__grid {
  gap: var(--ct-gap);
}

.page-contact .ct-dir {
  border: 3px solid var(--char);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--char);
  padding: clamp(20px, 2.6vw, 30px);
  box-shadow: var(--shadow-hard);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-contact .ct-dir:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 0 rgba(16, 22, 21, .9);
}

.page-contact .ct-dir__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--coral);
}

.page-contact .ct-dir h3 {
  margin: 8px 0 10px;
  font-family: var(--font-serif);
  font-size: 21px;
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .ct-dir p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.75;
  color: #23302D;
}

.page-contact .ct-dir .ct-dir__fit {
  margin: 0;
  padding-top: 10px;
  border-top: 2px dashed var(--ct-line-dark);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: #4A5C56;
}

/* ---------- 共建流程 ---------- */
.page-contact .ct-flow {
  padding-block: clamp(40px, 6vw, 80px);
  border-block: 3px solid var(--char);
  background:
    linear-gradient(180deg, rgba(28, 90, 80, .48) 0%, rgba(7, 28, 26, .95) 100%),
    repeating-linear-gradient(90deg, rgba(243, 235, 221, .05) 0 1px, transparent 1px 72px),
    var(--ink);
}

.page-contact .ct-flow__wrap {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-contact .ct-flow__intro p {
  margin: 12px 0 20px;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .8);
}

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

.page-contact .ct-flow__tree::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(217, 164, 65, .12) 100%);
}

.page-contact .al-tree__step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-contact .al-tree__node {
  position: relative;
  z-index: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  background: var(--ink);
  border: 3px solid var(--gold);
}

.page-contact .al-tree__step[data-state="active"] .al-tree__node {
  background: var(--gold);
  color: var(--char);
  box-shadow: 0 0 0 6px rgba(217, 164, 65, .16);
}

.page-contact .al-tree__label {
  min-width: 0;
  border: 2px solid rgba(243, 235, 221, .2);
  border-radius: 16px;
  background: rgba(7, 28, 26, .66);
  padding: 16px 18px;
}

.page-contact .al-tree__label h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
}

.page-contact .al-tree__label > p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .8);
}

.page-contact .al-fold {
  margin-top: 10px;
  border-top: 2px solid var(--ct-line);
  padding-top: 4px;
}

.page-contact .al-fold summary {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--gold);
}

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

.page-contact .al-fold summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--coral);
}

.page-contact .al-fold[open] summary::before {
  content: "–";
}

.page-contact .al-fold summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-contact .al-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .78);
}

/* ---------- 咨询准备 ---------- */
.page-contact .ct-check {
  padding-block: clamp(40px, 6vw, 72px);
  background: var(--ink);
}

.page-contact .ct-check__grid {
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-check__intro p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(243, 235, 221, .8);
}

.page-contact .ct-check__intro .ct-check__note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--coral);
  border-radius: 0 12px 12px 0;
  background: rgba(240, 106, 77, .1);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(243, 235, 221, .88);
}

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

.page-contact .ct-check__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border: 3px solid var(--char);
  border-radius: 16px;
  background: var(--cream);
  color: var(--char);
  padding: 16px 18px;
  box-shadow: 0 5px 0 rgba(16, 22, 21, .85);
}

.page-contact .ct-check__no {
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--coral);
}

.page-contact .ct-check__item h3 {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .ct-check__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: #33453F;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .ct-next {
  padding-block: clamp(32px, 4.4vw, 56px);
  background: var(--teal);
  border-top: 3px solid var(--char);
}

.page-contact .ct-next__head h2 {
  margin: 0 0 8px;
}

.page-contact .ct-next__head p {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 15.5px;
  line-height: 1.7;
  color: rgba(243, 235, 221, .78);
}

.page-contact .ct-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-next__links a {
  display: grid;
  gap: 4px;
  min-height: 44px;
  padding: 14px 18px;
  border: 2px solid rgba(217, 164, 65, .5);
  border-radius: var(--radius);
  color: var(--cream);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-next__links a span {
  font-size: 13.5px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--mist);
}

.page-contact .ct-next__links a:hover {
  background: rgba(217, 164, 65, .14);
  border-color: var(--gold);
}

.page-contact .ct-next__links a:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 3px;
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-addr {
  padding-block: clamp(32px, 4.4vw, 56px);
  background: var(--ink);
}

.page-contact .ct-addr__bar {
  display: grid;
  gap: 20px;
  border: 3px solid var(--char);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--char);
  padding: clamp(18px, 2.6vw, 30px);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-addr__item .al-eyebrow {
  color: #7A6A3E;
  margin: 0;
}

.page-contact .ct-addr__mono {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-contact .ct-addr__hint {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: #4A5C56;
}

.page-contact .ct-addr__item--icp {
  border-top: 2px dashed var(--ct-line-dark);
  padding-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 979px) {
  .page-contact .ct-channel__grid,
  .page-contact .ct-directions__grid,
  .page-contact .ct-check__grid {
    grid-template-columns: 1fr;
  }
}

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

  .page-contact .ct-addr__item--icp {
    border-top: 0;
    padding-top: 0;
    border-left: 2px dashed var(--ct-line-dark);
    padding-left: 20px;
  }

  .page-contact .ct-addr__bar {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-contact .ct-flow__wrap {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-contact .ct-check__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .ct-flow__intro {
    position: sticky;
    top: calc(var(--header-space) + 16px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-dir,
  .page-contact .ct-copy,
  .page-contact .ct-next__links a {
    transition: none;
  }

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