/* ===== 商务合作页 · page-contact ===== */
.page-contact {
  --ct-paper-line: #CFC7B4;
  --ct-paper-ink-soft: #45506B;
  --ct-paper-label: #8A6A18;
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 32px);
}

/* ---------- 首屏引入 ---------- */
.page-contact .ct-intro {
  padding-block: clamp(24px, 4vw, 44px) clamp(34px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-intro__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .ct-intro__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.85;
  color: var(--paper);
}

.page-contact .ct-intro__quick {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 2.4vw, 32px);
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-intro__quick li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
}

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

.page-contact .ct-quick__v {
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.8vw, 21px);
  color: var(--gold-soft);
}

/* ---------- 通用小标题 ---------- */
.page-contact .ct-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-contact .ct-num--dark {
  color: var(--ct-paper-label);
}

.page-contact .ct-head h2,
.page-contact .ct-mail h2,
.page-contact .ct-faq h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .ct-head__sub {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 左右对照主区 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(40px, 6vw, 80px) clamp(48px, 7vw, 92px);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 56px);
  align-items: start;
}

@media (min-width: 980px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, .78fr);
    gap: clamp(36px, 4.6vw, 72px);
  }
}

.page-contact .ct-way-list {
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .ct-way {
  position: relative;
  padding: 22px 22px 22px 24px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 4px solid var(--jade);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .ct-way + .ct-way {
  margin-top: 16px;
}

.page-contact .ct-way:nth-child(2) {
  border-left-color: var(--gold);
}

.page-contact .ct-way:nth-child(3) {
  border-left-color: var(--cinnabar);
}

.page-contact .ct-way:nth-child(4) {
  border-left-color: var(--gold-soft);
}

.page-contact .ct-way:hover {
  transform: translate(-4px, -4px);
  box-shadow: var(--shadow-hard);
  border-color: var(--gold);
}

@media (min-width: 720px) {
  .page-contact .ct-way:nth-child(even) {
    margin-left: clamp(24px, 4vw, 64px);
  }
}

.page-contact .ct-way__top {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .ct-way__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--gold);
  border: 1px solid var(--line);
  padding: 4px 8px;
}

.page-contact .ct-way__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .ct-way__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .ct-way__fit {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .ct-way__fit span {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--jade);
}

.page-contact .ct-way__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 右侧常驻联系卡 ---------- */
.page-contact .ct-aside__card {
  padding: clamp(20px, 3vw, 30px);
  background:
    linear-gradient(165deg, rgba(217, 169, 59, .16), rgba(10, 16, 36, 0) 62%),
    var(--ink-2);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-hard);
}

@media (min-width: 980px) {
  .page-contact .ct-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

.page-contact .ct-aside__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .ct-aside__list {
  margin: 0;
}

.page-contact .ct-aside__row {
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-aside__row:first-child {
  border-top: 0;
}

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

.page-contact .ct-aside__value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .ct-aside__value--gold {
  color: var(--gold-soft);
  font-size: clamp(18px, 2.2vw, 23px);
  letter-spacing: .02em;
}

.page-contact .ct-aside__btn {
  display: block;
  width: 100%;
  margin-top: 20px;
  text-align: center;
}

.page-contact .ct-aside__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 四步流程 ---------- */
.page-contact .ct-process {
  padding-block: clamp(48px, 7vw, 92px);
  border-top: 2px solid rgba(217, 169, 59, .35);
}

.page-contact .ct-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 800px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-contact .ct-step {
  position: relative;
  padding: 28px 20px 26px;
  border-top: 2px solid var(--line);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

@media (min-width: 800px) {
  .page-contact .ct-step + .ct-step {
    border-left: 1px solid var(--line);
  }
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 44px;
  height: 8px;
  background: var(--gold);
  transition: width var(--dur) var(--ease);
}

.page-contact .ct-step:nth-child(2)::before {
  background: var(--jade);
}

.page-contact .ct-step:nth-child(3)::before {
  background: var(--cinnabar);
}

.page-contact .ct-step:nth-child(4)::before {
  background: var(--gold-soft);
}

.page-contact .ct-step:hover {
  background: var(--ink-2);
  border-top-color: var(--gold);
}

.page-contact .ct-step:hover::before {
  width: 100%;
}

.page-contact .ct-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 3.6vw, 42px);
  line-height: 1;
  letter-spacing: .04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(217, 169, 59, .55);
  transition: -webkit-text-stroke-color var(--dur) var(--ease);
}

.page-contact .ct-step:hover .ct-step__num {
  -webkit-text-stroke-color: var(--gold-soft);
}

.page-contact .ct-step__title {
  margin: 16px 0 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--white);
}

.page-contact .ct-step__body {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .ct-step__mat {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.72;
  color: var(--paper);
}

.page-contact .ct-step__mat span {
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--jade);
}

.page-contact .ct-flow-figure {
  margin: clamp(30px, 4vw, 50px) 0 0;
}

/* ---------- 纸白联系信息区 ---------- */
.page-contact .ct-paper-section {
  margin-block: clamp(48px, 7vw, 96px);
}

.page-contact .ct-paper {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(26px, 4.4vw, 64px);
  border-top: 5px solid var(--gold);
  box-shadow: var(--shadow-hard);
}

.page-contact .ct-paper .ct-head h2 {
  color: var(--ink);
}

.page-contact .ct-paper .ct-head__sub {
  color: var(--ct-paper-ink-soft);
}

.page-contact .ct-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: clamp(24px, 3.2vw, 38px);
}

@media (min-width: 780px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .ct-channel {
  padding: 22px 20px 24px;
  background: #FFFFFF;
  border: 2px solid var(--ink);
  border-top: 6px solid var(--gold);
}

.page-contact .ct-channel:nth-child(2) {
  border-top-color: var(--jade);
}

.page-contact .ct-channel:nth-child(3) {
  border-top-color: var(--cinnabar);
}

.page-contact .ct-channel__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .ct-channel__desc {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-paper-ink-soft);
}

.page-contact .ct-channel .ct-channel__val {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ct-paper-line);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-paper__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(24px, 3.2vw, 36px);
  border-top: 1px solid var(--ct-paper-line);
}

@media (min-width: 840px) {
  .page-contact .ct-paper__foot {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

.page-contact .ct-addr__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ct-paper-label);
}

.page-contact .ct-addr__line {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.95;
  color: var(--ink);
}

.page-contact .ct-addr__note {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--jade);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-paper-ink-soft);
}

/* ---------- 邮件指引 + 常见问题 ---------- */
.page-contact .ct-tail {
  padding-block: clamp(48px, 7vw, 92px);
  border-top: 2px solid rgba(217, 169, 59, .35);
}

.page-contact .ct-tail__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 4.6vw, 60px);
}

@media (min-width: 920px) {
  .page-contact .ct-tail__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: start;
  }
}

.page-contact .ct-mail__lead {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .ct-mail__template {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 5px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
  color: var(--paper);
}

.page-contact .ct-mail__row {
  display: flex;
  gap: 12px;
  margin: 0;
  padding: 5px 0;
}

.page-contact .ct-mail__k {
  flex: 0 0 3.6em;
  color: var(--gold-soft);
}

.page-contact .ct-mail__v {
  flex: 1 1 auto;
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-contact .ct-mail__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .ct-mail__note a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-mail__note a:hover {
  color: var(--white);
}

.page-contact .ct-faq h2 {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-contact .ct-faq .disclosure {
  border-top: 1px solid var(--line);
}

.page-contact .ct-faq .disclosure:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-faq .disclosure-trigger {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 17px 0;
  background: transparent;
  border: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
  text-align: left;
  color: var(--white);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-contact .ct-faq .disclosure-trigger::before {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.5;
  color: var(--jade);
}

.page-contact .ct-faq .disclosure-trigger:hover {
  color: var(--gold-soft);
}

.page-contact .ct-faq .disclosure-trigger[aria-expanded="true"] {
  color: var(--gold);
}

.page-contact .ct-faq .disclosure-trigger[aria-expanded="true"]::before {
  content: "–";
  color: var(--gold);
}

.page-contact .ct-faq .disclosure-panel {
  padding: 0 0 20px 30px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .ct-faq .disclosure-panel p {
  margin: 0;
}

/* ---------- 收尾行动区 ---------- */
.page-contact .ct-cta {
  padding-block: clamp(42px, 6vw, 78px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-cta__inner {
  padding: clamp(24px, 3.6vw, 44px);
  background:
    linear-gradient(120deg, rgba(200, 64, 47, .18), rgba(19, 27, 54, .9) 55%),
    var(--ink-2);
  border: 2px solid var(--line);
}

.page-contact .ct-cta__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
}

.page-contact .ct-cta__title {
  margin: 12px 0 0;
  max-width: 24em;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: .04em;
  color: var(--white);
}

.page-contact .ct-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

@media (max-width: 520px) {
  .page-contact .ct-cta__actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<END>>>