.page-contact {
  --ct-line: rgba(10, 22, 34, .10);
  --ct-line-dark: rgba(245, 248, 251, .14);
  --ct-edge: rgba(10, 22, 34, .16);
  background: var(--yx-paper);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--yx-ink);
  padding: clamp(26px, 4.5vw, 54px) 0 clamp(46px, 7vw, 88px);
}

.page-contact .ct-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
  opacity: .34;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(158deg, rgba(10, 22, 34, .76) 0%, rgba(10, 22, 34, .90) 52%, var(--yx-ink) 100%);
}

.page-contact .ct-hero__inner {
  position: relative;
  z-index: 2;
}

.page-contact .ct-hero .yx-crumbs__link,
.page-contact .ct-hero .yx-crumbs__sep,
.page-contact .ct-hero .yx-crumbs__item {
  color: rgba(245, 248, 251, .55);
  font-size: 13px;
}

.page-contact .ct-hero .yx-crumbs__link:hover {
  color: var(--yx-cyan);
}

.page-contact .ct-hero__eyebrow {
  color: var(--yx-cyan);
  margin: clamp(20px, 3.2vw, 36px) 0 0;
}

.page-contact .ct-hero h1 {
  margin: 14px 0 0;
  max-width: 15ch;
  color: var(--yx-paper);
  font-size: clamp(34px, 6.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-contact .ct-hero__lede {
  margin-top: 20px;
  max-width: 58ch;
  color: rgba(245, 248, 251, .74);
}

.page-contact .ct-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-contact .ct-hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: var(--yx-pill);
  border: 1px solid var(--ct-line-dark);
  background: rgba(245, 248, 251, .06);
  font-size: 14px;
}

.page-contact .ct-hero__pillkey {
  color: rgba(245, 248, 251, .52);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-contact .ct-hero__pill .yx-mono {
  color: var(--yx-cyan);
  font-size: 14px;
  word-break: break-all;
}

/* ---------- 章节标题 ---------- */
.page-contact .ct-head {
  max-width: 62ch;
}

.page-contact .ct-head h2 {
  margin: 10px 0 0;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--yx-ink);
}

.page-contact .ct-head .yx-lede {
  margin-top: 14px;
  color: var(--yx-slate);
}

/* ---------- 通道分栏 ---------- */
.page-contact .ct-split {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 3.6vw, 46px);
}

.page-contact .ct-nav {
  display: grid;
  gap: 10px;
  padding: 12px;
  border-radius: var(--yx-r-lg);
  background: var(--yx-ink);
  border: 1px solid var(--ct-line-dark);
  max-width: 100%;
}

.page-contact .ct-nav__btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid transparent;
  border-radius: var(--yx-r-md);
  background: rgba(245, 248, 251, .05);
  color: rgba(245, 248, 251, .76);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background .22s var(--yx-ease), color .22s var(--yx-ease),
              border-color .22s var(--yx-ease), transform .22s var(--yx-ease);
}

.page-contact .ct-nav__btn:hover {
  background: rgba(245, 248, 251, .11);
  color: var(--yx-paper);
}

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

.page-contact .ct-nav__num {
  flex: none;
  font-family: var(--yx-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yx-cyan);
}

.page-contact .ct-nav__btn.is-active,
.page-contact .ct-nav__btn[aria-selected="true"] {
  background: var(--yx-orange);
  border-color: var(--yx-orange);
  color: var(--yx-night);
}

.page-contact .ct-nav__btn.is-active .ct-nav__num,
.page-contact .ct-nav__btn[aria-selected="true"] .ct-nav__num {
  color: rgba(5, 9, 15, .62);
}

.page-contact .ct-panels {
  min-width: 0;
}

.page-contact .ct-panel {
  background: var(--yx-white);
  border: 1px solid var(--ct-line);
  border-radius: var(--yx-r-lg);
  padding: clamp(22px, 3vw, 40px);
  box-shadow: var(--yx-shadow-1);
}

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

.page-contact .ct-panel[hidden] {
  display: none;
}

.page-contact .ct-panel__tag {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: var(--yx-pill);
  background: var(--yx-cyan-16);
  color: var(--yx-blue);
  font-family: var(--yx-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-contact .ct-panel h3 {
  margin: 16px 0 0;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.26;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--yx-ink);
}

.page-contact .ct-panel p {
  margin: 12px 0 0;
  max-width: 62ch;
  color: var(--yx-slate);
  line-height: 1.8;
}

.page-contact .ct-panel h4 {
  margin: 24px 0 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--yx-slate);
}

.page-contact .ct-prep {
  list-style: none;
  margin: 16px 0 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--ct-line);
  display: grid;
  gap: 10px;
}

.page-contact .ct-prep li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yx-ink-80);
}

.page-contact .ct-prep li::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--yx-cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 200, .16);
}

.page-contact .ct-panel__foot {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--ct-line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
}

.page-contact .ct-panel__eta {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--yx-slate);
}

.page-contact .ct-panel__eta::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yx-amber);
  animation: ct-pulse 2.8s var(--yx-ease) infinite;
}

@keyframes ct-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 194, 75, .48); }
  50% { box-shadow: 0 0 0 8px rgba(255, 194, 75, 0); }
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-contact__grid {
  display: grid;
  gap: clamp(26px, 3.4vw, 48px);
}

.page-contact .ct-contact__eyebrow {
  color: var(--yx-cyan);
}

.page-contact .ct-contact__info h2 {
  margin: 10px 0 0;
  color: var(--yx-paper);
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -.02em;
  font-weight: 800;
}

.page-contact .ct-contact__lede {
  margin: 16px 0 0;
  max-width: 52ch;
  color: rgba(245, 248, 251, .70);
  line-height: 1.8;
}

.page-contact .ct-lines {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-contact .ct-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px 16px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--ct-line-dark);
}

.page-contact .ct-line:first-child {
  border-top: 1px solid var(--ct-line-dark);
}

.page-contact .ct-line__label {
  grid-column: 1;
  font-size: 12px;
  letter-spacing: .16em;
  color: rgba(245, 248, 251, .48);
}

.page-contact .ct-line__value {
  grid-column: 1;
  font-size: clamp(15px, 1.8vw, 19px);
  line-height: 1.5;
  color: var(--yx-paper);
  word-break: break-word;
}

.page-contact .ct-line__value.yx-mono {
  font-family: var(--yx-mono);
  letter-spacing: .01em;
}

.page-contact .ct-line__copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  padding: 8px 18px;
  border-radius: var(--yx-pill);
  border: 1px solid rgba(245, 248, 251, .22);
  background: rgba(245, 248, 251, .06);
  color: var(--yx-paper);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s var(--yx-ease), border-color .2s var(--yx-ease), color .2s var(--yx-ease);
}

.page-contact .ct-line__copy:hover {
  background: var(--yx-cyan);
  border-color: var(--yx-cyan);
  color: var(--yx-night);
}

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

.page-contact .ct-contact__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 248, 251, .48);
  max-width: 54ch;
}

.page-contact .ct-contact__figure {
  margin: 0;
  border-radius: var(--yx-r-lg);
  overflow: hidden;
  border: 1px solid var(--ct-line-dark);
  background: var(--yx-night);
}

.page-contact .ct-contact__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-contact__figure figcaption {
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 248, 251, .58);
}

/* ---------- 处理节奏时间轴 ---------- */
.page-contact .ct-flow__wrap {
  margin-top: clamp(30px, 4vw, 52px);
}

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

.page-contact .ct-flow__step {
  position: relative;
}

.page-contact .ct-flow__node {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ct-line);
  border-radius: var(--yx-r-md);
  background: var(--yx-white);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .22s var(--yx-ease), box-shadow .22s var(--yx-ease), transform .22s var(--yx-ease);
}

.page-contact .ct-flow__node:hover {
  border-color: var(--yx-cyan);
  transform: translateY(-2px);
}

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

.page-contact .ct-flow__num {
  flex: none;
  font-family: var(--yx-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--yx-orange);
}

.page-contact .ct-flow__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--yx-ink);
}

.page-contact .ct-flow__notes {
  display: grid;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .ct-flow__note {
  margin: 0;
  padding: 16px 18px;
  border-radius: var(--yx-r-md);
  border: 1px solid var(--ct-line);
  background: var(--yx-white);
  font-size: 14px;
  line-height: 1.75;
  color: var(--yx-slate);
  transition: border-color .22s var(--yx-ease), box-shadow .22s var(--yx-ease);
}

.page-contact .ct-flow__note.is-active {
  border-color: var(--yx-cyan);
  box-shadow: 0 0 0 3px var(--yx-cyan-16);
}

.page-contact .ct-flow__peak {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 14px 18px;
  border-radius: var(--yx-pill);
  background: var(--yx-orange-14);
  color: var(--yx-blue);
  font-size: 14px;
  line-height: 1.6;
}

/* ---------- 邮寄说明 ---------- */
.page-contact .ct-post__card {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 3.6vw, 48px);
  border-radius: var(--yx-r-lg);
  border: 1px solid var(--ct-line);
  background: var(--yx-white);
  box-shadow: var(--yx-shadow-1);
}

.page-contact .ct-post__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--yx-cyan) 0%, var(--yx-blue) 46%, var(--yx-orange) 100%);
}

.page-contact .ct-post__eyebrow {
  color: var(--yx-blue);
}

.page-contact .ct-post__card h2 {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--yx-ink);
}

.page-contact .ct-post__text {
  margin: 16px 0 0;
  max-width: 66ch;
  color: var(--yx-slate);
  line-height: 1.8;
}

.page-contact .ct-post__facts {
  margin-top: clamp(22px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .ct-post__fact {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--yx-pill);
  border: 1px solid var(--ct-line);
  background: var(--yx-paper);
  font-size: 14px;
  color: var(--yx-ink);
}

.page-contact .ct-post__factkey {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yx-slate);
}

.page-contact .ct-post__fact .yx-mono {
  font-family: var(--yx-mono);
  word-break: break-all;
}

/* ---------- 自助入口 ---------- */
.page-contact .ct-self__grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 3.4vw, 42px);
}

.page-contact .ct-self__card {
  display: grid;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--yx-r-lg);
  border: 1px solid var(--ct-line);
  background: var(--yx-white);
  text-decoration: none;
  color: inherit;
  transition: border-color .24s var(--yx-ease), transform .24s var(--yx-ease), box-shadow .24s var(--yx-ease);
}

.page-contact .ct-self__card:hover {
  border-color: var(--yx-cyan);
  transform: translateY(-4px);
  box-shadow: var(--yx-shadow-2);
}

.page-contact .ct-self__card:focus-visible {
  outline: 2px solid var(--yx-cyan);
  outline-offset: 3px;
}

.page-contact .ct-self__kicker {
  font-family: var(--yx-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yx-orange);
}

.page-contact .ct-self__title {
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--yx-ink);
}

.page-contact .ct-self__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--yx-slate);
}

.page-contact .ct-self__go {
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--yx-blue);
}

.page-contact .ct-self__go::after {
  content: "→";
  transition: transform .22s var(--yx-ease);
}

.page-contact .ct-self__card:hover .ct-self__go::after {
  transform: translateX(5px);
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-contact .ct-nav {
    grid-auto-flow: column;
    grid-auto-columns: minmax(196px, 1fr);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 12px;
  }

  .page-contact .ct-nav__btn {
    scroll-snap-align: start;
  }

  .page-contact .ct-nav__btn.is-active,
  .page-contact .ct-nav__btn[aria-selected="true"] {
    transform: none;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-split {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: clamp(22px, 3vw, 42px);
    align-items: start;
  }

  .page-contact .ct-nav {
    position: sticky;
    top: 108px;
  }

  .page-contact .ct-nav__btn.is-active,
  .page-contact .ct-nav__btn[aria-selected="true"] {
    transform: translateX(4px);
  }

  .page-contact .ct-self__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(18px, 2.6vw, 30px);
  }
}

@media (min-width: 940px) {
  .page-contact .ct-contact__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-flow__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--ct-line);
    padding-top: 0;
  }

  .page-contact .ct-flow__step {
    padding-top: 26px;
  }

  .page-contact .ct-flow__step::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--yx-cyan), rgba(47, 224, 200, .16));
  }

  .page-contact .ct-flow__step::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--yx-cyan);
    box-shadow: 0 0 0 4px rgba(47, 224, 200, .18);
  }

  .page-contact .ct-flow__node {
    border: 0;
    background: none;
    padding: 12px 12px 12px 0;
    border-radius: var(--yx-r-sm);
  }

  .page-contact .ct-flow__node:hover {
    transform: translateY(-2px);
    background: rgba(47, 224, 200, .08);
  }

  .page-contact .ct-flow__notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 22px;
  }
}

@media (max-width: 520px) {
  .page-contact .ct-line {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .ct-line__copy {
    grid-column: 1;
    grid-row: auto;
    justify-self: start;
    margin-top: 10px;
  }

  .page-contact .ct-hero__pill {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-panel__eta::before {
    animation: none;
  }

  .page-contact .ct-nav__btn,
  .page-contact .ct-self__card,
  .page-contact .ct-flow__node {
    transition: none;
  }
}