.page-contact {
  position: relative;
  color: var(--white);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-strip {
  padding: 26px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 20px 0 56px;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -280px;
  left: -12%;
  right: -12%;
  height: 700px;
  background:
    radial-gradient(46% 52% at 26% 42%, rgba(123, 77, 255, .38), transparent 72%),
    radial-gradient(34% 42% at 82% 18%, rgba(57, 230, 255, .14), transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-contact .contact-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--night);
  overflow: hidden;
}

.page-contact .contact-figure::before,
.page-contact .contact-figure::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--amber);
  pointer-events: none;
}

.page-contact .contact-figure::before {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}

.page-contact .contact-figure::after {
  right: 0;
  bottom: 0;
  border-left: 0;
  border-top: 0;
}

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

.page-contact .contact-figure__cap {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .04em;
  color: var(--cyan);
  background: rgba(7, 7, 15, .74);
  border: 1px solid rgba(57, 230, 255, .3);
}

.page-contact .contact-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: var(--step-3);
  line-height: 1.78;
  color: rgba(247, 248, 255, .78);
}

.page-contact .contact-pairs {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .pair {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink);
}

.page-contact .pair__k {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .1em;
  color: var(--paper-grey);
}

.page-contact .pair__v {
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 19px);
  letter-spacing: .01em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

/* ---------- 服务台：通道卡 + 准备清单 ---------- */
.page-contact .contact-desk__grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-contact .contact-desk__h {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.24;
}

.page-contact .contact-desk__sub {
  margin: 10px 0 24px;
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--paper-grey);
}

.page-contact .line-card {
  display: grid;
  gap: 8px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--night);
}

.page-contact .line-card + .line-card {
  margin-top: 14px;
}

.page-contact .line-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .12em;
  color: var(--paper-grey);
}

.page-contact .line-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 4vw, 24px);
  line-height: 1.36;
  letter-spacing: .01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .line-card__note {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.72;
  color: rgba(247, 248, 255, .72);
}

.page-contact .line-card--mail {
  border-color: rgba(57, 230, 255, .3);
  background:
    linear-gradient(135deg, rgba(57, 230, 255, .08), transparent 62%),
    var(--night);
}

.page-contact .line-card--mail .line-card__tag {
  color: var(--cyan);
}

.page-contact .line-card--phone {
  border-color: rgba(123, 77, 255, .7);
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-deep) 82%);
}

.page-contact .line-card--phone .line-card__tag {
  color: rgba(247, 248, 255, .82);
}

.page-contact .line-card--phone .line-card__value {
  color: var(--white);
}

.page-contact .line-card--phone .line-card__note {
  color: rgba(247, 248, 255, .86);
}

.page-contact .line-card--hours {
  border-color: var(--line-strong);
  background: var(--ink);
}

.page-contact .line-card--hours .line-card__value {
  color: var(--amber);
}

/* 暖纸便签 */
.page-contact .prep {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  box-shadow: 0 30px 70px -38px rgba(0, 0, 0, .95);
}

.page-contact .prep::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 3px;
  background: var(--violet-deep);
}

.page-contact .prep__h {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 800;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .prep__figure {
  margin: 0 0 18px;
  border: 1px solid rgba(7, 7, 15, .16);
  overflow: hidden;
}

.page-contact .prep__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-contact .prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .prep__list li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(7, 7, 15, .18);
}

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

.page-contact .prep__num {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.6;
  color: var(--violet-deep);
}

.page-contact .prep__text {
  font-size: var(--step-2);
  line-height: 1.7;
  color: #241F31;
}

.page-contact .prep__text strong {
  display: inline-block;
  margin-right: 4px;
  color: var(--ink);
  font-weight: 700;
}

.page-contact .prep__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(7, 7, 15, .16);
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .02em;
  line-height: 1.7;
  color: #3B3446;
}

/* ---------- 支持范围 ---------- */
.page-contact .contact-topics__head {
  max-width: 62ch;
}

.page-contact .contact-topics__head h2 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.8vw, 36px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.24;
}

.page-contact .contact-topics__sub {
  margin: 12px 0 28px;
  font-size: var(--step-3);
  line-height: 1.75;
  color: var(--paper-grey);
}

.page-contact .topic-grid {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-contact .topic {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--night);
  transition: background 240ms var(--ease);
}

.page-contact .topic:hover {
  background: #14172C;
}

.page-contact .topic__idx {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .topic h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .topic__desc {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.74;
  color: rgba(247, 248, 255, .72);
}

.page-contact .topic__prep {
  margin: 16px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--paper-grey);
}

.page-contact .topic__prep span {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 7px;
  border: 1px solid rgba(57, 230, 255, .4);
  font-family: var(--font-mono);
  letter-spacing: .08em;
  color: var(--cyan);
}

/* ---------- 回复方式 ---------- */
.page-contact .contact-reply {
  padding: 12px 0 56px;
}

.page-contact .contact-reply__inner {
  display: grid;
  gap: 20px;
  padding: 28px 22px;
  border-left: 2px solid var(--violet);
  background:
    linear-gradient(100deg, rgba(123, 77, 255, .12), transparent 72%),
    var(--ink);
}

.page-contact .contact-reply__head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 800;
  letter-spacing: -.015em;
  line-height: 1.28;
}

.page-contact .contact-reply__body p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: var(--step-3);
  line-height: 1.78;
  color: rgba(247, 248, 255, .76);
}

.page-contact .contact-reply__body p:last-child {
  margin-bottom: 0;
  color: var(--paper-grey);
  font-size: var(--step-2);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-base {
  padding: 40px 0 64px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(70% 90% at 50% 130%, rgba(58, 31, 112, .45), transparent 70%),
    var(--ink);
}

.page-contact .contact-base__inner {
  display: grid;
  gap: 28px;
}

.page-contact .contact-base__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: .14em;
  color: var(--paper-grey);
}

.page-contact .contact-base__v {
  margin: 0 0 6px;
  font-size: var(--step-2);
  line-height: 1.7;
  color: rgba(247, 248, 255, .8);
}

.page-contact .contact-base__mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--paper-grey);
}

.page-contact .contact-base__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-base__links a {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: var(--step-2);
  line-height: 1.4;
  color: var(--cyan);
  text-decoration: none;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-contact .contact-base__links a:hover,
.page-contact .contact-base__links a:focus-visible {
  border-color: var(--cyan);
  background: rgba(57, 230, 255, .1);
}

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

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

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

  .page-contact .topic {
    padding: 26px 24px 28px;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero {
    padding: 30px 0 72px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 56px;
  }

  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 40px;
  }

  .page-contact .line-card {
    padding: 24px 26px 26px;
  }

  .page-contact .prep {
    padding: 26px 26px 28px;
  }

  .page-contact .contact-reply__inner {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: 44px;
    padding: 36px 34px;
  }

  .page-contact .contact-base__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero__grid {
    gap: 72px;
  }

  .page-contact .topic {
    padding: 30px 28px 32px;
  }
}

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