/* ===== 联系入口 / page-contact ===== */

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

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  background: var(--midnight);
  color: var(--paper);
}

.page-contact .contact-hero__media,
.page-contact .contact-hero__wash {
  position: absolute;
  inset: 0;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .34;
}

.page-contact .contact-hero__wash {
  background:
    linear-gradient(158deg, rgba(14, 23, 48, .42) 0%, rgba(14, 23, 48, .9) 58%, var(--midnight) 100%),
    radial-gradient(circle at 84% 14%, rgba(41, 224, 196, .18), transparent 56%),
    radial-gradient(circle at 6% 94%, rgba(178, 58, 30, .38), transparent 62%);
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(48px, 9vw, 104px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 237, 226, .38);
}

.page-contact .contact-hero .breadcrumb-link {
  color: rgba(244, 237, 226, .72);
  text-decoration: none;
}

.page-contact .contact-hero .breadcrumb-link:hover {
  color: var(--paper);
}

.page-contact .contact-hero .breadcrumb-link[aria-current="page"] {
  color: var(--amber);
}

.page-contact .contact-hero .eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .contact-hero h1 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 58px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero h1 .hl {
  color: var(--amber);
  border-bottom: 4px solid var(--clay);
  padding-bottom: 2px;
}

.page-contact .contact-hero__lead {
  margin: 0 0 32px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244, 237, 226, .84);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .q-chip {
  display: inline-block;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--paper);
  text-decoration: none;
  background: rgba(29, 42, 77, .55);
  border: 1px solid rgba(244, 237, 226, .28);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background-color .2s ease, border-color .2s ease, color .2s ease;
}

.page-contact .q-chip:hover,
.page-contact .q-chip:focus-visible {
  background: var(--clay);
  border-color: var(--clay);
  color: #fff;
}

/* ---------- 主体框架：左侧竖栏 + 联络清单 ---------- */

.page-contact .contact-body {
  padding-block: var(--section-pad);
  background: var(--paper);
}

.page-contact .contact-frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .contact-rail {
  padding-top: 16px;
  border-top: 2px solid var(--clay);
}

.page-contact .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-contact .rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.page-contact .rail-link {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .rail-link:hover,
.page-contact .rail-link:focus-visible {
  color: var(--clay);
}

.page-contact .rail-link[aria-current="true"] {
  color: var(--clay);
  font-weight: 500;
  border-bottom-color: var(--clay);
}

.page-contact .contact-main {
  min-width: 0;
}

/* ---------- 章节通用 ---------- */

.page-contact .ct-section {
  padding-block: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 110px;
}

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

.page-contact .ct-head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 6px 16px;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .section-anchor {
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--clay);
}

.page-contact .ct-head .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .ct-head .section-lead {
  grid-column: 2;
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--stone);
}

/* ---------- 纵向清单行 ---------- */

.page-contact .ct-rows {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .ct-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 120px;
  transition: background-color .3s ease;
}

.page-contact .ct-row__label {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--clay);
}

.page-contact .ct-row__name {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .ct-row__body p {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink);
}

.page-contact .ct-row__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-row__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 17px;
  letter-spacing: .01em;
  color: var(--clay-deep);
  word-break: break-all;
}

.page-contact .ct-row__meta {
  font-size: 14px;
  color: var(--stone);
}

.page-contact .ct-row:target {
  background: rgba(232, 163, 61, .14);
  box-shadow: inset 3px 0 0 var(--amber);
}

/* ---------- 渠道区：清单 + 示意图 ---------- */

.page-contact .ct-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
}

.page-contact .ct-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--midnight-2);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

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

.page-contact .ct-media .media-frame__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(244, 237, 226, .78);
  background: var(--midnight);
}

/* ---------- 合作区 ---------- */

.page-contact .ct-jump {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 2;
  color: var(--stone);
}

.page-contact .ct-jump__link {
  display: inline-block;
  margin-right: 8px;
  padding: 3px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--clay-deep);
  text-decoration: none;
  background: var(--paper-2);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background-color .2s ease, color .2s ease;
}

.page-contact .ct-jump__link:hover,
.page-contact .ct-jump__link:focus-visible {
  background: var(--clay);
  color: #fff;
}

.page-contact .ct-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  background: var(--paper-2);
  border-left: 3px solid var(--amber);
}

/* ---------- 纠错区：双栏 ---------- */

.page-contact .ct-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .ct-col {
  padding: clamp(22px, 3vw, 32px);
  background: var(--paper-2);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-contact .ct-col--dark {
  background: var(--midnight);
  color: rgba(244, 237, 226, .86);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}

.page-contact .ct-col__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .ct-col--dark .ct-col__title {
  color: var(--amber);
}

.page-contact .ct-col p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.82;
}

.page-contact .ct-col p:last-child {
  margin-bottom: 0;
}

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

.page-contact .ct-steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  border-bottom: 1px dashed var(--line);
}

.page-contact .ct-steps li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .ct-steps .mono {
  padding-top: 3px;
  font-size: 12px;
  color: var(--clay);
}

/* ---------- 时间节奏 ---------- */

.page-contact .ct-beats {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .ct-beat {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-beat__time {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--clay);
}

.page-contact .ct-beat__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .ct-beat__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 登记信息（深色切角面板） ---------- */

.page-contact .ct-section--dark {
  padding: clamp(26px, 4vw, 44px) clamp(20px, 3vw, 40px);
  border-top: 0;
  background: var(--midnight);
  color: rgba(244, 237, 226, .86);
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% 100%, 0 100%);
}

.page-contact .ct-section--dark .ct-head {
  margin-bottom: 18px;
}

.page-contact .ct-section--dark .section-anchor {
  color: var(--amber);
}

.page-contact .ct-section--dark .ct-head .section-title {
  color: var(--paper);
}

.page-contact .ct-reg {
  margin: 0;
  border-top: 1px solid rgba(244, 237, 226, .16);
}

.page-contact .ct-reg__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(244, 237, 226, .16);
}

.page-contact .ct-reg__item dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-contact .ct-reg__item dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .ct-reg__note {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 237, 226, .68);
}

/* ---------- 行内链接 ---------- */

.page-contact .ct-inline {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid rgba(178, 58, 30, .38);
  transition: color .2s ease, border-color .2s ease;
}

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

.page-contact .ct-section--dark .ct-inline,
.page-contact .ct-col--dark .ct-inline {
  color: var(--amber);
  border-bottom-color: rgba(232, 163, 61, .45);
}

.page-contact .ct-section--dark .ct-inline:hover,
.page-contact .ct-col--dark .ct-inline:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .ct-reg__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-contact .ct-row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 24px;
    padding-right: 24px;
  }

  .page-contact .ct-beat {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-contact .ct-cols {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-frame {
    grid-template-columns: var(--rail) minmax(0, 1fr);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 104px;
    align-self: start;
    padding: 2px 0 2px 18px;
    border-top: 0;
    border-left: 2px solid var(--clay);
  }

  .page-contact .rail-list {
    display: block;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .q-chip,
  .page-contact .rail-link,
  .page-contact .ct-row,
  .page-contact .ct-jump__link,
  .page-contact .ct-inline {
    transition: none;
  }
}