.page-contact {
  --ct-gap: clamp(20px, 3vw, 40px);
  --ct-card-bg: linear-gradient(160deg, var(--ink-700), var(--ink-800));
  background: var(--ink-900);
  color: var(--text);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact .breadcrumb {
  padding-top: clamp(76px, 10vh, 120px);
}

.page-contact .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-contact .breadcrumb li {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumb li:not(:last-child)::after {
  content: "/";
  margin: 0 10px;
  color: var(--text-3);
}

.page-contact .breadcrumb a {
  color: var(--text-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

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

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(48px, 7vw, 96px);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 80% at 82% 0%, rgba(46, 230, 168, 0.11), transparent 62%),
    radial-gradient(80% 62% at 0% 100%, rgba(255, 122, 26, 0.08), transparent 72%);
}

.page-contact .ct-hero > .shell {
  position: relative;
  z-index: 1;
}

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

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

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7.4vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--text);
}

.page-contact .ct-hero__lead {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .ct-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 44px;
  margin: 30px 0 0;
  padding: 0;
}

.page-contact .ct-hero__quick > div {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
}

.page-contact .ct-hero__quick dt {
  color: var(--text-3);
}

.page-contact .ct-hero__quick dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 1.4vw, 1.05rem);
  letter-spacing: 0.02em;
  color: var(--mint);
  word-break: break-word;
}

.page-contact .ct-hero__figure {
  margin: 0;
  position: relative;
}

.page-contact .ct-hero__figure::after {
  content: "";
  position: absolute;
  right: -8px;
  bottom: -10px;
  width: 58%;
  height: 60%;
  pointer-events: none;
  background: linear-gradient(135deg, transparent 45%, rgba(255, 122, 26, 0.22));
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

/* ---------- 通用章节 ---------- */

.page-contact .chapter-section {
  padding: clamp(40px, 6vw, 84px) 0;
}

.page-contact .chapter-section + .chapter-section {
  border-top: 1px solid var(--line);
}

.page-contact .chapter__head {
  margin-bottom: clamp(24px, 3.6vw, 42px);
}

.page-contact .chapter__lead {
  margin-top: 14px;
  color: var(--text-2);
}

/* ---------- 01 三种渠道 ---------- */

.page-contact .ct-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
  align-items: start;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: clamp(22px, 2.6vw, 34px);
  background: var(--ct-card-bg);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-contact .ct-card:hover {
  transform: translateY(-4px);
  border-color: var(--mint);
}

.page-contact .ct-card--mail {
  border-top: 2px solid var(--mint);
}

.page-contact .ct-card--phone {
  border-top: 2px solid var(--orange);
}

.page-contact .ct-card--note {
  border-top: 2px solid var(--yellow);
}

.page-contact .ct-card__kind {
  margin: 0;
  color: var(--text-3);
}

.page-contact .ct-card--mail .ct-card__kind {
  color: var(--mint);
}

.page-contact .ct-card--phone .ct-card__kind {
  color: var(--orange);
}

.page-contact .ct-card--note .ct-card__kind {
  color: var(--yellow);
}

.page-contact .ct-card__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.1vw, 1.65rem);
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .ct-card__value {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 1.9vw, 1.22rem);
  letter-spacing: 0.02em;
  color: var(--mint);
  word-break: break-word;
}

.page-contact .ct-card--phone .ct-card__value {
  color: var(--orange);
}

.page-contact .ct-card--note .ct-card__value {
  color: var(--yellow);
}

.page-contact .ct-card__text {
  margin: 16px 0 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--text-2);
}

.page-contact .ct-card__meta {
  margin: auto 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

/* ---------- 02 准备清单 ---------- */

.page-contact .ct-brief {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-contact .ct-brief__hint {
  margin: 18px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-3);
}

.page-contact .ct-brief__hint a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 168, 0.4);
}

.page-contact .ct-brief__hint a:hover {
  border-bottom-color: var(--mint);
}

.page-contact .ct-sheet {
  padding: clamp(18px, 2.4vw, 32px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

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

.page-contact .ct-sheet__row:first-child {
  padding-top: 4px;
}

.page-contact .ct-sheet__row:last-child {
  padding-bottom: 4px;
  border-bottom: 0;
}

.page-contact .ct-sheet__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-contact .ct-sheet__val {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 03 合作类型 ---------- */

.page-contact .ct-tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-tabs__nav .tabs__btn {
  appearance: none;
  cursor: pointer;
  padding: 11px 20px;
  background: transparent;
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  color: var(--text-2);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .ct-tabs__nav .tabs__btn:hover {
  color: var(--text);
  border-color: var(--mint);
}

.page-contact .ct-tabs__nav .tabs__btn[aria-selected="true"] {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--ink-900);
  font-weight: 700;
}

.page-contact .ct-tabs__panel {
  margin-top: clamp(18px, 2.6vw, 30px);
  padding: clamp(22px, 2.8vw, 36px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mint);
}

.page-contact .ct-tabs__text {
  margin: 0;
  max-width: 72ch;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--text-2);
}

.page-contact .ct-tabs__link {
  margin: 20px 0 0;
}

.page-contact .ct-tabs__link a {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 168, 0.38);
  transition: border-color 0.2s var(--ease);
}

.page-contact .ct-tabs__link a:hover {
  border-bottom-color: var(--mint);
}

.page-contact .ct-flow {
  list-style: none;
  margin: clamp(30px, 4.6vw, 54px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .ct-flow__step {
  position: relative;
  padding: clamp(20px, 2.2vw, 26px) clamp(34px, 4vw, 46px) clamp(20px, 2.2vw, 26px) clamp(20px, 2.2vw, 26px);
  background: var(--ct-card-bg);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 50%, calc(100% - 20px) 100%, 0 100%);
}

.page-contact .ct-flow__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-contact .ct-flow__step h3 {
  margin: 10px 0 0;
  font-family: var(--font-sans);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--text);
}

.page-contact .ct-flow__step p {
  margin: 8px 0 0;
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--text-2);
}

/* ---------- 04 回复时效 ---------- */

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

.page-contact .ct-timing__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 3.4vw, 46px);
  margin-top: clamp(24px, 3vw, 38px);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line);
}

.page-contact .ct-timing__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-contact .ct-timing__stats .stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.7rem, 3.8vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--yellow);
}

.page-contact .ct-timing__stats .stat__unit {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text-2);
}

.page-contact .ct-timing__stats .stat__label {
  margin-top: 8px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--text-3);
}

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

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

.page-contact .disclosure__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 4px;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

.page-contact .disclosure__btn:hover {
  color: var(--mint);
}

.page-contact .disclosure__btn::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-right: 6px;
  border-right: 2px solid var(--mint);
  border-bottom: 2px solid var(--mint);
  transform: rotate(45deg);
  transition: transform 0.26s var(--ease);
}

.page-contact .disclosure__btn[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.page-contact .disclosure__panel {
  padding: 0 4px 22px;
}

.page-contact .disclosure__panel p {
  margin: 0;
  max-width: 70ch;
  font-size: 0.93rem;
  line-height: 1.82;
  color: var(--text-2);
}

.page-contact .disclosure__panel a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 168, 0.38);
}

.page-contact .disclosure__panel a:hover {
  border-bottom-color: var(--mint);
}

/* ---------- 05 运营所在地 ---------- */

.page-contact .ct-place {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .ct-place__copy p {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 0.97rem;
  line-height: 1.82;
  color: var(--text-2);
}

.page-contact .ct-place__copy a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 168, 0.38);
}

.page-contact .ct-place__copy a:hover {
  border-bottom-color: var(--mint);
}

.page-contact .ct-place__addr {
  display: inline-block;
  margin-top: 26px !important;
  padding: 12px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: var(--yellow);
}

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

/* ---------- 收束色带 ---------- */

.page-contact .ct-skyline {
  margin-top: clamp(34px, 5vw, 72px);
  height: clamp(72px, 9vw, 118px);
  background: linear-gradient(90deg, rgba(46, 230, 168, 0.09), rgba(255, 122, 26, 0.05) 60%, transparent);
  overflow: hidden;
}

.page-contact .ct-skyline svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-contact .ct-skyline svg path {
  fill: var(--ink-800);
  stroke: var(--mint);
  stroke-width: 1;
  opacity: 0.75;
}

/* ---------- 窄屏兜底 ---------- */

@media (max-width: 639px) {
  .page-contact .ct-hero__quick {
    gap: 16px 28px;
  }

  .page-contact .ct-tabs__nav .tabs__btn {
    flex: 1 1 calc(50% - 5px);
    padding: 11px 12px;
    text-align: center;
  }

  .page-contact .ct-flow__step {
    clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
  }
}

@media (min-width: 700px) {
  .page-contact .ct-sheet__row {
    grid-template-columns: minmax(0, 132px) minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 1fr) minmax(0, 0.86fr);
  }

  .page-contact .ct-card--phone {
    margin-top: 30px;
  }

  .page-contact .ct-card--note {
    margin-top: 60px;
  }

  .page-contact .ct-brief {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .ct-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }

  .page-contact .ct-timing {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .ct-place {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-tabs__nav .tabs__btn,
  .page-contact .disclosure__btn,
  .page-contact .disclosure__btn::after {
    transition: none;
  }

  .page-contact .ct-card:hover {
    transform: none;
  }
}