.page-contact {
  background: var(--paper);
  color: var(--body-text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--paper);
  padding: calc(var(--header-h) + clamp(26px, 4.5vw, 52px)) 0 clamp(48px, 6.5vw, 88px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: 60%;
  height: 150%;
  background: linear-gradient(158deg, var(--green) 0%, var(--ink) 76%);
  transform: skewX(-14deg);
  opacity: .52;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--copper), transparent);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 1;
}

.page-contact .ct-hero__crumb {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-contact .ct-hero__crumb .jb-crumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
}

.page-contact .ct-hero__crumb .jb-crumb__link {
  color: var(--green-lt);
  text-decoration: none;
}

.page-contact .ct-hero__crumb .jb-crumb__link:hover,
.page-contact .ct-hero__crumb .jb-crumb__link:focus-visible {
  color: var(--copper-lt);
}

.page-contact .ct-hero__crumb .jb-crumb__sep {
  color: var(--graphite);
}

.page-contact .ct-hero__crumb .jb-crumb__current {
  color: var(--sand);
}

.page-contact .ct-hero__eyebrow {
  color: var(--copper-lt);
  letter-spacing: .18em;
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 62px);
  line-height: 1.2;
  letter-spacing: .02em;
  max-width: 20ch;
}

.page-contact .ct-hero__lead {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: rgba(242, 233, 219, .86);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-contact .ct-hero__note {
  margin-top: clamp(22px, 3vw, 34px);
  writing-mode: horizontal-tb;
  color: var(--graphite);
  font-size: 12px;
  letter-spacing: .22em;
}

/* ---------- 通用区块头 ---------- */
.page-contact .ct-head {
  max-width: 68ch;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.page-contact .ct-head .jb-eyebrow {
  color: var(--green);
  letter-spacing: .16em;
}

.page-contact .ct-head .jb-h2 {
  margin: 12px 0 0;
}

.page-contact .ct-head__lead {
  margin: 14px 0 0;
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .ct-inline-link {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--copper-lt);
  padding-bottom: 1px;
}

.page-contact .ct-inline-link:hover,
.page-contact .ct-inline-link:focus-visible {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

/* ---------- 合作方式 ---------- */
.page-contact .ct-modes {
  background: var(--paper);
}

.page-contact .ct-modes__list {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
  grid-template-columns: 1fr;
}

.page-contact .ct-mode {
  position: relative;
  background: var(--sand);
  padding: clamp(24px, 3vw, 38px) clamp(22px, 2.8vw, 34px);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  border-left: 3px solid var(--green);
}

.page-contact .ct-mode:nth-child(2) {
  background: var(--ink);
  color: var(--paper);
  border-left-color: var(--copper);
}

.page-contact .ct-mode:nth-child(2) .ct-mode__fit,
.page-contact .ct-mode:nth-child(2) .ct-mode__meta dd {
  color: rgba(242, 233, 219, .82);
}

.page-contact .ct-mode:nth-child(2) .ct-mode__meta dt {
  color: var(--copper-lt);
}

.page-contact .ct-mode__code {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--copper);
  border: 1px solid var(--copper);
  padding: 4px 10px;
  margin: 0 0 16px;
}

.page-contact .ct-mode:nth-child(2) .ct-mode__code {
  color: var(--copper-lt);
  border-color: var(--copper-lt);
}

.page-contact .ct-mode .jb-h3 {
  margin: 0 0 12px;
}

.page-contact .ct-mode__fit {
  margin: 0 0 20px;
  color: var(--graphite);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .ct-mode__meta {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(185, 132, 58, .35);
  display: grid;
  gap: 4px;
}

.page-contact .ct-mode__meta dt {
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--green);
}

.page-contact .ct-mode__meta dd {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .ct-mode__meta dd:last-child {
  margin-bottom: 0;
}

/* ---------- 对接流程 ---------- */
.page-contact .ct-flow {
  background: var(--paper);
}

.page-contact .ct-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-contact .ct-flow__figure {
  margin: 0 0 clamp(26px, 3.4vw, 42px);
}

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

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-contact .ct-step {
  position: relative;
  padding-left: clamp(40px, 5vw, 62px);
  padding-bottom: clamp(16px, 2vw, 24px);
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: clamp(16px, 2.1vw, 26px);
  top: 46px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--copper), rgba(185, 132, 58, .18));
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step__box {
  background: var(--sand);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  border-left: 2px solid var(--green);
}

.page-contact .ct-step__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 26px);
  cursor: pointer;
  list-style: none;
}

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

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

.page-contact .ct-step__num {
  position: absolute;
  left: 0;
  top: clamp(14px, 1.8vw, 20px);
  width: clamp(32px, 4.2vw, 52px);
  height: clamp(32px, 4.2vw, 52px);
  display: grid;
  place-items: center;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--navy);
  background: var(--copper-lt);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

.page-contact .ct-step__label {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(17px, 1.7vw, 21px);
  color: var(--ink);
  flex: 1 1 auto;
}

.page-contact .ct-step__hint {
  flex: 1 1 100%;
  font-size: 13px;
  color: var(--graphite);
  letter-spacing: .02em;
}

.page-contact .ct-step__box[open] .ct-step__hint {
  color: var(--green);
}

.page-contact .ct-step__body {
  padding: 0 clamp(18px, 2.2vw, 26px) clamp(18px, 2vw, 24px);
  border-top: 1px solid rgba(14, 124, 107, .22);
  margin-top: 0;
}

.page-contact .ct-step__body p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .ct-step__faq {
  padding: 12px 14px;
  background: rgba(14, 124, 107, .08);
  border-left: 2px solid var(--green-lt);
  font-size: 14.5px;
  color: var(--graphite);
}

.page-contact .ct-step__faq strong {
  color: var(--green);
}

/* ---------- 侧栏联系卡 ---------- */
.page-contact .ct-side {
  align-self: start;
}

.page-contact .ct-card {
  position: relative;
  padding: clamp(22px, 2.8vw, 34px);
  border: 1px solid var(--copper);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-visible {
  border-color: var(--violet);
  outline: none;
  box-shadow: 0 0 0 2px rgba(111, 91, 232, .32);
}

.page-contact .ct-card__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--copper-lt);
}

.page-contact .ct-card__title {
  margin: 10px 0 22px;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .ct-card__list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-contact .ct-card__row {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(185, 132, 58, .3);
}

.page-contact .ct-card__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .ct-card__row dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--green-lt);
  margin-bottom: 6px;
}

.page-contact .ct-card__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 233, 219, .9);
}

.page-contact .ct-card__link {
  color: var(--copper-lt);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .ct-card__link:hover,
.page-contact .ct-card__link:focus-visible {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-subject {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px dashed rgba(185, 132, 58, .5);
}

.page-contact .ct-subject__label {
  margin: 0 0 12px;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--copper-lt);
}

.page-contact .ct-subject__code {
  margin: 0 0 8px;
  padding: 10px 12px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--paper);
  background: rgba(14, 124, 107, .26);
  border-left: 2px solid var(--green-lt);
  word-break: break-all;
  user-select: all;
}

.page-contact .ct-subject__copy {
  margin-top: 12px;
}

.page-contact .ct-subject__tip {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 233, 219, .7);
}

/* ---------- 分派事项 ---------- */
.page-contact .ct-split {
  background: var(--sand);
}

.page-contact .ct-split__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .ct-split .jb-eyebrow {
  color: var(--copper);
  letter-spacing: .16em;
}

.page-contact .ct-split .jb-h2 {
  margin: 12px 0 0;
}

.page-contact .ct-split__lead {
  margin: 16px 0 26px;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .ct-split__table {
  border-top: 2px solid var(--ink);
}

.page-contact .ct-split__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(78, 93, 104, .28);
  font-size: 14.5px;
  line-height: 1.7;
}

.page-contact .ct-split__row--head {
  background: var(--ink);
  color: var(--sand);
  padding: 12px 14px;
  font-size: 12.5px;
  letter-spacing: .12em;
}

.page-contact .ct-split__row span[role="cell"]:first-child {
  color: var(--green);
}

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

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

/* ---------- 对接分工 ---------- */
.page-contact .ct-roles {
  background: var(--paper);
}

.page-contact .ct-roles__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
  grid-template-columns: 1fr;
}

.page-contact .ct-role {
  position: relative;
  padding: clamp(22px, 2.6vw, 30px) clamp(20px, 2.4vw, 28px) clamp(22px, 2.6vw, 30px) clamp(20px, 2.4vw, 30px);
  background: var(--paper);
  border: 1px solid rgba(14, 124, 107, .3);
  border-top: 3px solid var(--green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-contact .ct-role .jb-h3 {
  margin: 0 0 10px;
}

.page-contact .ct-role__scope {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .ct-role__q {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(78, 93, 104, .2);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-contact .ct-role__q .jb-tag {
  margin-right: 8px;
}

/* ---------- 洽谈前准备 ---------- */
.page-contact .ct-prepare {
  background: var(--ink);
  color: var(--paper);
}

.page-contact .ct-prepare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
}

.page-contact .ct-prepare .jb-eyebrow {
  color: var(--green-lt);
  letter-spacing: .16em;
}

.page-contact .ct-prepare .jb-h2 {
  color: var(--paper);
  margin: 12px 0 0;
}

.page-contact .ct-prepare__lead {
  margin: 16px 0 22px;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 233, 219, .8);
}

.page-contact .ct-prepare__stat {
  margin: 0;
  padding: 16px 18px;
  background: rgba(14, 124, 107, .22);
  border-left: 3px solid var(--copper);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 233, 219, .88);
}

.page-contact .ct-prepare__stat .jb-mono {
  color: var(--copper-lt);
  font-size: 18px;
  letter-spacing: .06em;
}

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

.page-contact .ct-check__label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: rgba(242, 233, 219, .06);
  border-left: 2px solid rgba(99, 199, 178, .5);
  cursor: pointer;
  transition: background .22s var(--ease), border-color .22s var(--ease);
}

.page-contact .ct-check__label:hover {
  background: rgba(242, 233, 219, .12);
  border-left-color: var(--copper-lt);
}

.page-contact .ct-check__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .ct-check__box {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 1.5px solid var(--green-lt);
  background: transparent;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 0 100%);
}

.page-contact .ct-check__input:checked + .ct-check__box {
  background: var(--copper);
  border-color: var(--copper-lt);
}

.page-contact .ct-check__input:checked + .ct-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--navy);
  border-bottom: 2px solid var(--navy);
  transform: rotate(42deg);
}

.page-contact .ct-check__input:focus-visible + .ct-check__box {
  outline: 2px solid var(--copper-lt);
  outline-offset: 2px;
}

.page-contact .ct-check__text {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 233, 219, .92);
}

.page-contact .ct-check__text strong {
  display: block;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 3px;
}

.page-contact .ct-check__text em {
  font-style: normal;
  color: rgba(242, 233, 219, .68);
  font-size: 14px;
}

/* ---------- 常见场景 ---------- */
.page-contact .ct-scenes {
  background: var(--paper);
}

.page-contact .ct-scenes__list {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  grid-template-columns: 1fr;
}

.page-contact .ct-scene {
  padding: clamp(22px, 2.6vw, 32px) 0 clamp(22px, 2.6vw, 32px) clamp(20px, 2.4vw, 30px);
  border-left: 1px solid var(--copper);
}

.page-contact .ct-scene__tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--copper);
}

.page-contact .ct-scene .jb-h3 {
  margin: 0 0 12px;
}

.page-contact .ct-scene p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .ct-scenes__more {
  margin: clamp(28px, 3.4vw, 44px) 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(78, 93, 104, .22);
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 底部联系条 ---------- */
.page-contact .ct-strip {
  background: var(--sand);
  padding: clamp(38px, 5vw, 68px) 0;
  border-top: 3px solid var(--green);
}

.page-contact .ct-strip__inner {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-contact .ct-strip .jb-eyebrow {
  color: var(--green);
  letter-spacing: .16em;
  margin: 0 0 10px;
}

.page-contact .ct-strip__title {
  margin: 0;
  font-family: var(--sans);
  font-weight: 800;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.3;
  color: var(--ink);
  letter-spacing: .02em;
}

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

.page-contact .ct-strip__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--body-text);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(78, 93, 104, .2);
}

.page-contact .ct-strip__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .ct-strip__list .jb-mono {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--copper);
  min-width: 42px;
}

.page-contact .ct-strip__link {
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--copper-lt);
}

.page-contact .ct-strip__link:hover,
.page-contact .ct-strip__link:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.page-contact .ct-strip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-split__row {
    grid-template-columns: 1.1fr 1.2fr 1.6fr;
    align-items: baseline;
  }

  .page-contact .ct-split__row--head span:first-child {
    color: var(--sand);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  }

  .page-contact .ct-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

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

  .page-contact .ct-mode:nth-child(2) {
    transform: translateY(28px);
  }

  .page-contact .ct-mode:nth-child(3) {
    transform: translateY(14px);
  }

  .page-contact .ct-split__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

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

  .page-contact .ct-prepare__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

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

  .page-contact .ct-strip__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .ct-strip__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-flow__grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-contact .ct-split__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-check__label,
  .page-contact .ct-mode {
    transition: none;
  }

  .page-contact .ct-mode:nth-child(2),
  .page-contact .ct-mode:nth-child(3) {
    transform: none;
  }
}