.page-contact {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- hero ---------- */
.page-contact .ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--panel);
  padding: calc(var(--topbar-h, 42px) + clamp(18px, 4vw, 34px)) 0 clamp(34px, 6vw, 64px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -22%;
  width: 52%;
  height: 82%;
  background: var(--red);
  clip-path: polygon(24% 0, 100% 16%, 100% 100%, 0 100%);
  opacity: .9;
  pointer-events: none;
}

.page-contact .ct-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(42%, 360px);
  height: 5px;
  background: var(--blue);
}

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

.page-contact .ct-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: rgba(243, 239, 229, .68);
  margin: 0 0 clamp(18px, 4vw, 34px);
}

.page-contact .ct-crumb a {
  color: inherit;
  text-decoration: none;
}

.page-contact .ct-crumb a:hover,
.page-contact .ct-crumb a:focus-visible {
  color: var(--cyan);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

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

.page-contact .ct-hero h1 {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -.02em;
  max-width: 15em;
  color: var(--panel);
}

.page-contact .ct-hero__text {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 239, 229, .82);
}

/* ---------- 通道索引 ---------- */
.page-contact .ct-jump {
  align-self: end;
  min-width: 0;
}

.page-contact .ct-jump__cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: var(--gold);
}

.page-contact .ct-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(243, 239, 229, .2);
}

.page-contact .ct-jump__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  border-bottom: 1px solid rgba(243, 239, 229, .16);
  color: var(--panel);
  text-decoration: none;
  font-size: 15px;
  transition: color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .ct-jump__list a:hover,
.page-contact .ct-jump__list a:focus-visible {
  color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .ct-jump__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: var(--gold);
}

/* ---------- 通用章节标题 ---------- */
.page-contact .ct-heading {
  margin-bottom: clamp(20px, 3.5vw, 34px);
  max-width: 44em;
}

.page-contact .ct-heading h2 {
  margin: 6px 0 0;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .ct-heading p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .ct-heading--tight {
  margin-bottom: 18px;
}

/* ---------- 01 邮件通道 ---------- */
.page-contact .ct-mail {
  display: grid;
  gap: 18px;
}

.page-contact .ct-mail__main {
  background: var(--ink);
  color: var(--panel);
  padding: clamp(20px, 3.5vw, 34px);
  border-left: 6px solid var(--red);
  min-width: 0;
}

.page-contact .ct-mail__main .rb-panel__title {
  color: var(--panel);
}

.page-contact .ct-mail__addr {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 3.6vw, 30px);
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .ct-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.page-contact .ct-copy-row .rb-copy {
  cursor: pointer;
}

.page-contact .ct-hours {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: rgba(243, 239, 229, .78);
}

.page-contact .ct-hours__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(83, 224, 210, .22);
}

.page-contact .ct-mail__body {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 239, 229, .8);
}

.page-contact .ct-mail__side {
  background: var(--red);
  color: #FBF6EC;
  padding: clamp(20px, 3.5vw, 30px);
  min-width: 0;
}

.page-contact .ct-mail__side h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .ct-mail__side ol {
  counter-reset: stepc;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-mail__side li {
  counter-increment: stepc;
  position: relative;
  padding-left: 30px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(251, 246, 236, .92);
}

.page-contact .ct-mail__side li::before {
  content: counter(stepc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .2em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: rgba(251, 246, 236, .62);
}

/* ---------- 02 电话与地点 ---------- */
.page-contact .ct-direct {
  display: grid;
  gap: 16px;
}

.page-contact .ct-direct__card {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-contact .ct-direct__card--red {
  border-left: 6px solid var(--red);
}

.page-contact .ct-direct__card--blue {
  border-left: 6px solid var(--blue);
}

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

.page-contact .ct-direct__val {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 4.6vw, 34px);
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-direct__val--addr {
  font-family: var(--font-sans);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0;
}

.page-contact .ct-direct__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2);
}

/* ---------- 03 商务与媒体 ---------- */
.page-contact .ct-biz {
  display: grid;
  gap: 18px;
}

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

.page-contact .ct-deal {
  padding: clamp(18px, 3vw, 28px);
  min-width: 0;
}

.page-contact .ct-deal--red {
  background: var(--red);
  color: #FBF6EC;
}

.page-contact .ct-deal--blue {
  background: var(--blue-deep);
  color: #F1F4FA;
}

.page-contact .ct-deal h3 {
  margin: 12px 0 0;
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.35;
  font-weight: 800;
}

.page-contact .ct-deal p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(251, 246, 236, .9);
}

.page-contact .ct-deal--blue p {
  color: rgba(241, 244, 250, .86);
}

.page-contact .ct-biz__side {
  display: grid;
  gap: 14px;
  min-width: 0;
  align-content: start;
}

.page-contact .ct-figure {
  margin: 0;
  background: var(--ink);
  border: 1px solid var(--line);
  border-bottom: none;
  min-width: 0;
}

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

.page-contact .ct-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: var(--ink-2);
  padding: 9px 12px;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-tpl {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  padding: 14px 16px 16px;
  min-width: 0;
}

.page-contact .ct-tpl--blue {
  border-left-color: var(--blue);
}

.page-contact .ct-tpl__cap {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: var(--gold);
}

.page-contact .ct-tpl__code {
  margin: 0 0 12px;
  padding: 12px;
  background: var(--ink);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.75;
  letter-spacing: .02em;
  overflow-x: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .ct-tpl__code code {
  font-family: inherit;
}

/* ---------- 04 准备清单 ---------- */
.page-contact .ct-prep {
  display: grid;
  gap: 12px;
}

.page-contact .ct-prep details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  min-width: 0;
}

.page-contact .ct-prep details[open] {
  border-left-color: var(--red);
}

.page-contact .ct-prep summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
}

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

.page-contact .ct-prep summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-2);
}

.page-contact .ct-prep details[open] summary::after {
  content: "－";
  color: var(--red);
}

.page-contact .ct-prep summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-contact .ct-prep__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: var(--gold);
}

.page-contact .ct-prep details p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-2);
}

/* ---------- 05 流程 ---------- */
.page-contact .ct-flow {
  display: grid;
  gap: 22px;
}

.page-contact .ct-flow__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 20px;
  position: relative;
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-contact .ct-flow__list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--line) 0 6px, transparent 6px 12px);
}

.page-contact .ct-flow__list li {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-contact .ct-flow__list li::before {
  content: "";
  position: absolute;
  left: -24px;
  top: 22px;
  width: 10px;
  height: 10px;
  background: var(--paper);
  border: 2px solid var(--red);
  border-radius: 50%;
}

.page-contact .ct-flow__list li:nth-child(even)::before {
  border-color: var(--blue);
}

.page-contact .ct-flow__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: var(--mono-track);
  color: var(--gold);
  padding-top: 2px;
}

.page-contact .ct-flow__list h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.4;
  font-weight: 700;
}

.page-contact .ct-flow__list p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-contact .ct-figure--wide,
.page-contact .ct-figure--square {
  border-bottom: 1px solid var(--line);
}

/* ---------- 06 相关入口 ---------- */
.page-contact .ct-next {
  background: var(--paper);
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-next__list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  transition: border-color .25s var(--ease), transform .25s var(--ease), background .25s var(--ease);
}

.page-contact .ct-next__list a:hover,
.page-contact .ct-next__list a:focus-visible {
  border-color: var(--blue);
  background: #efeade;
  transform: translateX(3px);
}

.page-contact .ct-next__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: var(--mono-track);
  color: var(--gold);
}

.page-contact .ct-next__t {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-contact .ct-next__go {
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--red);
}

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

  .page-contact .ct-prep {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    align-items: end;
  }

  .page-contact .ct-hero__text {
    font-size: 17px;
  }

  .page-contact .ct-mail {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .55fr);
    align-items: start;
  }

  .page-contact .ct-biz {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-contact .ct-flow {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    align-items: start;
  }

  .page-contact .ct-figure--square {
    position: sticky;
    top: calc(var(--topbar-h, 42px) + 18px);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-next__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-contact .ct-jump__list a:hover,
  .page-contact .ct-jump__list a:focus-visible,
  .page-contact .ct-next__list a:hover,
  .page-contact .ct-next__list a:focus-visible {
    transform: none;
  }
}