/* ===== 联系我们页面 ===== */
.page-contact {
  --pc-pad: clamp(20px, 3vw, 34px);
  --pc-sec: clamp(56px, 8vw, 104px);
  --pc-line: var(--grid);
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.8;
  overflow-x: clip;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  margin: 0;
}

.page-contact p {
  margin: 0;
}

.page-contact ul,
.page-contact ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact a {
  color: inherit;
}

.page-contact .pc-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  flex: 0 0 auto;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(96px, 13vw, 140px) 0 0;
  background:
    radial-gradient(720px 320px at 10% 0%, rgba(232, 18, 60, 0.22), transparent 70%),
    var(--black);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red) 0%, var(--red-deep) 40%, var(--grid) 72%, var(--red) 100%);
}

.page-contact .pc-hero__eyebrow {
  margin-top: clamp(28px, 5vw, 48px);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .pc-hero h1 {
  margin-top: 14px;
  font-size: clamp(32px, 6.6vw, 62px);
  line-height: 1.08;
  color: #ffffff;
  max-width: 15em;
}

.page-contact .pc-hero__lead {
  margin-top: 20px;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(26px, 4vw, 38px);
}

.page-contact .pc-anchors a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(22, 22, 29, 0.65);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-anchors a:hover,
.page-contact .pc-anchors a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: clamp(36px, 5vw, 58px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 300px);
  object-fit: cover;
}

.page-contact .pc-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 130%, var(--glow), transparent 62%),
    linear-gradient(180deg, rgba(10, 10, 15, 0.2) 0%, rgba(10, 10, 15, 0.78) 100%);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-section {
  padding: var(--pc-sec) 0;
}

.page-contact .pc-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .pc-head__num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-contact .pc-head h2 {
  font-size: clamp(25px, 4.2vw, 40px);
  line-height: 1.18;
  color: #ffffff;
}

.page-contact .pc-head p {
  max-width: 42em;
  color: var(--muted);
}

/* ---------- 三条通道 ---------- */
.page-contact .pc-channels {
  background: linear-gradient(180deg, var(--black) 0%, #0d0d13 100%);
}

.page-contact .pc-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .pc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--pc-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease);
  min-width: 0;
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 24px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

.page-contact .pc-card:hover,
.page-contact .pc-card:focus-within {
  border-color: var(--cyan);
}

.page-contact .pc-card:hover::before,
.page-contact .pc-card:focus-within::before {
  transform: scaleX(1);
}

.page-contact .pc-field {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .pc-card__value {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.3vw, 18px);
  letter-spacing: 0.01em;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-card__value:hover,
.page-contact .pc-card__value:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .pc-card__addr {
  margin-top: 14px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .pc-card__use {
  margin-top: 16px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-card__foot {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-14);
  color: var(--muted);
}

/* ---------- 邮件怎么写（反色区） ---------- */
.page-contact .pc-mail {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .pc-mail .pc-head__num {
  color: var(--red-deep);
}

.page-contact .pc-mail .pc-head h2 {
  color: var(--ink);
}

.page-contact .pc-mail .pc-head p {
  color: #55555f;
}

.page-contact .pc-mail__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .pc-template {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--black);
}

.page-contact .pc-template__label {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-contact .pc-template__line {
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .pc-template__line:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-tips {
  counter-reset: pc-tip;
}

.page-contact .pc-tips > li {
  counter-increment: pc-tip;
  position: relative;
  padding-left: 44px;
  padding-bottom: 22px;
}

.page-contact .pc-tips > li::before {
  content: counter(pc-tip, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--red-deep);
}

.page-contact .pc-tips h3 {
  font-size: var(--fs-20);
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .pc-tips p {
  margin-top: 8px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: #4a4a55;
}

.page-contact .pc-mail__note {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 20px;
  border-top: 1px solid #ddd8d2;
  font-size: var(--fs-14);
  color: #55555f;
}

.page-contact .pc-mail__note a {
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 按诉求分流 ---------- */
.page-contact .pc-route {
  background:
    radial-gradient(900px 380px at 50% 100%, rgba(232, 18, 60, 0.16), transparent 72%),
    var(--black);
}

.page-contact .pc-route__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .pc-route__item {
  position: relative;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel);
  min-width: 0;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-route__item:hover,
.page-contact .pc-route__item:focus-within {
  border-color: var(--cyan);
}

.page-contact .pc-route__q {
  font-size: var(--fs-16);
  line-height: 1.65;
  color: var(--text);
  margin-bottom: 14px;
}

.page-contact .pc-route__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-route__link:hover,
.page-contact .pc-route__link:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .pc-route__note {
  margin-top: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted);
  transition: max-height var(--dur) var(--ease), opacity var(--dur) var(--ease), margin-top var(--dur) var(--ease);
}

.page-contact .pc-route__item:hover .pc-route__note,
.page-contact .pc-route__item:focus-within .pc-route__note {
  max-height: 10em;
  margin-top: 14px;
  opacity: 1;
}

.page-contact .pc-route__lines {
  display: none;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 130;
  margin: 0;
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.page-contact .pc-route__lines circle {
  fill: var(--red);
  stroke: none;
}

.page-contact .pc-route__sink {
  margin-top: 26px;
  font-size: var(--fs-14);
  color: var(--muted);
  text-align: center;
}

/* ---------- 合作与接入 ---------- */
.page-contact .pc-partner {
  background: var(--black);
}

.page-contact .pc-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.page-contact .pc-partner__list > li {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-partner__list > li:first-child {
  border-top: 2px solid var(--red);
}

.page-contact .pc-partner__list h3 {
  font-size: var(--fs-20);
  line-height: 1.4;
  color: #ffffff;
}

.page-contact .pc-partner__list p {
  margin-top: 10px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .pc-partner__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--panel);
}

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

.page-contact .pc-partner__cap {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .pc-partner__more {
  margin-top: clamp(24px, 3.5vw, 36px);
  font-size: var(--fs-14);
  color: var(--muted);
}

.page-contact .pc-partner__more a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回复时间 ---------- */
.page-contact .pc-hours {
  background: linear-gradient(180deg, var(--black) 0%, #101017 100%);
}

.page-contact .pc-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .pc-hours__grid h2 {
  margin-top: 12px;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.2;
  color: #ffffff;
  max-width: 18em;
}

.page-contact .pc-hours__grid > div > p {
  margin-top: 18px;
  max-width: 38em;
  font-size: var(--fs-16);
  color: var(--muted);
}

.page-contact .pc-hours__facts {
  border-top: 1px solid var(--line);
}

.page-contact .pc-hours__facts > li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-hours__k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .pc-hours__v {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 收束 ---------- */
.page-contact .pc-closing {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel) 0%, var(--black) 100%);
  padding: clamp(40px, 6vw, 66px) 0;
}

.page-contact .pc-closing__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.page-contact .pc-closing__line {
  max-width: 26em;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 28px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: #ffffff;
}

/* ---------- 触摸设备：说明文字常显 ---------- */
@media (hover: none) {
  .page-contact .pc-route__note {
    max-height: none;
    margin-top: 14px;
    opacity: 1;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-hours__facts > li {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-head {
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: 22px;
    row-gap: 12px;
    align-items: start;
  }

  .page-contact .pc-head__num {
    grid-row: 1 / span 2;
    padding-top: 10px;
  }

  .page-contact .pc-cards {
    grid-template-columns: 1.15fr 0.85fr 1fr;
  }

  .page-contact .pc-mail__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 52px;
  }

  .page-contact .pc-route__top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-contact .pc-route__lines {
    display: block;
  }

  .page-contact .pc-partner__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-contact .pc-hours__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .pc-hero h1 {
    font-size: 62px;
  }
}

.page-contact {
  --line: var(--ink);
}