.page-contact {
  --pc-shadow: 0 20px 50px rgba(11, 18, 32, .10);
  --pc-shadow-sm: 0 10px 26px rgba(11, 18, 32, .07);
  background: var(--hy-paper);
  color: var(--hy-ink);
}

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

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 46px) 0 clamp(96px, 12vw, 158px);
  color: var(--hy-white);
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(10, 108, 255, .38) 0%, rgba(10, 108, 255, 0) 58%),
    var(--hy-ink);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: -8%;
  right: -8%;
  bottom: -86px;
  height: 152px;
  background: var(--hy-paper);
  transform: rotate(-2.4deg);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 52px);
}

@media (min-width: 960px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(40px, 6vw, 76px);
  }
}

.page-contact .contact-hero .breadcrumbs {
  margin: 0;
  font-size: 13px;
  color: var(--hy-onink-dim);
}

.page-contact .contact-hero .breadcrumbs a {
  color: var(--hy-onink);
  text-decoration: none;
  transition: color .16s var(--ease);
}

.page-contact .contact-hero .breadcrumbs a:hover,
.page-contact .contact-hero .breadcrumbs a:focus-visible {
  color: var(--hy-cyan);
}

.page-contact .contact-hero .eyebrow {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--hy-cyan);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 6.2vw, 76px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--hy-white);
}

.page-contact .contact-hero .lead {
  max-width: 33em;
  margin: 22px 0 0;
  font-size: clamp(16px, 1.55vw, 18px);
  line-height: 1.85;
  color: var(--hy-onink);
}

.page-contact .contact-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 48px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid rgba(201, 212, 231, .18);
}

.page-contact .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-contact .hero-stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(21px, 2.5vw, 30px);
  letter-spacing: .01em;
  color: var(--hy-white);
}

.page-contact .hero-stat__label {
  font-size: 13px;
  line-height: 1.6;
  color: var(--hy-onink-dim);
}

.page-contact .contact-hero__media {
  margin: 0;
}

.page-contact .contact-hero__media .media__frame {
  overflow: hidden;
  border: 1px solid rgba(201, 212, 231, .16);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .46);
}

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

/* ---------- 通用版式 ---------- */
.page-contact .section {
  padding: clamp(64px, 9vw, 128px) 0;
}

.page-contact .section--white {
  background: var(--hy-white);
}

.page-contact .section--paper {
  background: var(--hy-paper);
}

.page-contact .section--ink {
  color: var(--hy-white);
  background:
    linear-gradient(158deg, rgba(10, 108, 255, .24) 0%, rgba(10, 108, 255, 0) 48%),
    var(--hy-ink);
}

.page-contact .section-head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(32px, 5vw, 58px);
}

@media (min-width: 820px) {
  .page-contact .section-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 3.4vw, 48px);
  }
}

.page-contact .section-no {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(54px, 8vw, 104px);
  line-height: .82;
  letter-spacing: -.04em;
  color: var(--hy-blue);
}

.page-contact .section--ink .section-no {
  color: var(--hy-cyan);
}

.page-contact .section-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(25px, 3.3vw, 42px);
  line-height: 1.16;
  letter-spacing: -.01em;
}

.page-contact .section-head__text .muted {
  margin: 12px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.82;
  color: var(--hy-gray);
}

.page-contact .section--ink .section-head__text .muted {
  color: var(--hy-onink);
}

/* ---------- 01 联系方式一览 ---------- */
.page-contact .contact-lines {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow: hidden;
  background: var(--hy-rule);
  border: 1px solid var(--hy-rule);
  border-radius: var(--radius-lg);
}

@media (min-width: 880px) {
  .page-contact .contact-lines {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-line--address {
    grid-column: 1 / -1;
  }
}

.page-contact .contact-line {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(24px, 3.2vw, 38px);
  background: var(--hy-white);
  transition: background .18s var(--ease);
}

.page-contact .contact-line:hover {
  background: var(--hy-paper);
}

.page-contact .contact-line__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .contact-line__label {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--hy-gray);
}

.page-contact .contact-line__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px, 2.7vw, 32px);
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--hy-ink);
  overflow-wrap: anywhere;
}

.page-contact .contact-line--address .contact-line__value {
  font-size: clamp(16px, 1.75vw, 22px);
  line-height: 1.7;
  font-weight: 500;
}

/* ---------- 复制按钮 ---------- */
.page-contact .copy-btn {
  align-self: flex-start;
  padding: 9px 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--hy-blue);
  background: var(--hy-white);
  border: 1px solid var(--hy-rule);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--hy-white);
  background: var(--hy-blue);
  border-color: var(--hy-blue);
}

.page-contact .copy-btn[data-copied="true"] {
  color: var(--hy-blue-deep);
  background: var(--hy-cyan-mist);
  border-color: var(--hy-cyan);
}

/* ---------- 02 通道 ---------- */
.page-contact .channel-layout {
  display: grid;
  gap: 26px;
}

.page-contact .channel-index {
  display: flex;
  gap: 10px;
  padding-bottom: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .channel-index::-webkit-scrollbar {
  display: none;
}

.page-contact .channel-pill {
  flex: 0 0 auto;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--hy-ink);
  text-decoration: none;
  background: var(--hy-white);
  border: 1px solid var(--hy-rule);
  border-radius: var(--radius-pill);
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .channel-pill:hover,
.page-contact .channel-pill:focus-visible {
  color: var(--hy-white);
  background: var(--hy-blue);
  border-color: var(--hy-blue);
}

@media (min-width: 960px) {
  .page-contact .channel-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 4.4vw, 58px);
  }

  .page-contact .channel-index {
    position: sticky;
    top: 108px;
    flex-direction: column;
    overflow: visible;
  }

  .page-contact .channel-pill {
    white-space: normal;
    text-align: left;
  }
}

.page-contact .channel-panels {
  display: grid;
  gap: 18px;
}

.page-contact .channel-panel {
  padding: clamp(22px, 3vw, 34px);
  background: var(--hy-white);
  border: 1px solid var(--hy-rule);
  border-left: 4px solid var(--hy-blue);
  border-radius: var(--radius-md);
  scroll-margin-top: 112px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .channel-panel:hover {
  border-left-color: var(--hy-orange);
  box-shadow: var(--pc-shadow-sm);
}

.page-contact .channel-panel__title {
  margin: 0;
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .channel-panel__desc {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--hy-gray);
}

.page-contact .channel-panel__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--hy-gray);
}

.page-contact .channel-panel__note a {
  color: var(--hy-blue);
  text-decoration: none;
  border-bottom: 2px solid rgba(10, 108, 255, .28);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-contact .channel-panel__note a:hover,
.page-contact .channel-panel__note a:focus-visible {
  color: var(--hy-blue-deep);
  border-bottom-color: var(--hy-blue);
}

.page-contact .prep-label {
  margin: 22px 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--hy-blue);
}

.page-contact .prep-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--hy-ink);
}

.page-contact .prep-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--hy-orange);
}

/* ---------- 03 邮件标题与时效 ---------- */
.page-contact .subject-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .subject-item {
  display: grid;
  gap: 8px;
  padding: 16px 20px;
  background: var(--hy-night);
  border: 1px solid rgba(201, 212, 231, .12);
  border-radius: var(--radius-sm);
}

@media (min-width: 760px) {
  .page-contact .subject-item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

.page-contact .subject-item__label {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--hy-onink-dim);
}

.page-contact .subject-item__line {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--hy-cyan-mist);
  overflow-wrap: anywhere;
}

.page-contact .promise {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 28px;
  padding: 20px 24px;
  background: rgba(0, 229, 208, .12);
  border: 1px solid rgba(0, 229, 208, .34);
  border-radius: var(--radius-md);
}

.page-contact .promise .pulse-dot {
  flex: 0 0 auto;
  margin-top: 7px;
}

.page-contact .promise__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--hy-white);
}

/* ---------- 04 服务时段 ---------- */
.page-contact .accordion {
  display: grid;
  gap: 12px;
}

.page-contact .accordion__item {
  overflow: hidden;
  background: var(--hy-white);
  border: 1px solid var(--hy-rule);
  border-radius: var(--radius-md);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .accordion__item:hover {
  border-color: var(--hy-blue);
  box-shadow: var(--pc-shadow-sm);
}

.page-contact .accordion__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 19px 24px;
  font-family: var(--font-sans);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--hy-ink);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  transition: color .16s var(--ease);
}

.page-contact .accordion__btn:hover,
.page-contact .accordion__btn:focus-visible {
  color: var(--hy-blue);
}

.page-contact .accordion__panel > div {
  padding: 0 24px 22px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--hy-gray);
}

/* ---------- 05 地址 ---------- */
.page-contact .address-layout {
  display: grid;
  gap: 34px;
}

@media (min-width: 900px) {
  .page-contact .address-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: clamp(36px, 5vw, 62px);
  }
}

.page-contact .address-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(24px, 3vw, 34px);
  background: var(--hy-white);
  border: 1px solid var(--hy-rule);
  border-radius: var(--radius-lg);
}

.page-contact .address-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 1.9vw, 23px);
  line-height: 1.72;
  color: var(--hy-ink);
}

.page-contact .address-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--hy-gray);
}

.page-contact .address-media {
  margin: 0;
}

.page-contact .address-media .media__frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-contact .address-media img {
  width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .address-media .media__caption {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--hy-gray);
}

/* ---------- 06 常见问题 ---------- */
.page-contact .faq-grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 800px) {
  .page-contact .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .faq-tile {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 2.6vw, 30px);
  color: inherit;
  text-decoration: none;
  background: var(--hy-white);
  border: 1px solid var(--hy-rule);
  border-radius: var(--radius-lg);
  transition: transform .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .faq-tile:hover,
.page-contact .faq-tile:focus-visible {
  transform: translateY(-2px);
  border-color: var(--hy-blue);
  box-shadow: var(--pc-shadow);
}

.page-contact .faq-tile__tag {
  align-self: flex-start;
  padding: 5px 13px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--hy-blue-deep);
  background: var(--hy-cyan-mist);
  border-radius: var(--radius-pill);
}

.page-contact .faq-tile h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--hy-ink);
}

.page-contact .faq-tile__peek {
  max-height: 1.78em;
  margin: 0;
  overflow: hidden;
  font-size: 15px;
  line-height: 1.78;
  color: var(--hy-gray);
  transition: max-height .26s var(--ease), color .26s var(--ease);
}

.page-contact .faq-tile:hover .faq-tile__peek,
.page-contact .faq-tile:focus-visible .faq-tile__peek {
  max-height: 8em;
  color: var(--hy-ink);
}

.page-contact .faq-tile__more {
  margin-top: auto;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--hy-blue);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .faq-tile,
  .page-contact .faq-tile__peek,
  .page-contact .copy-btn,
  .page-contact .channel-pill,
  .page-contact .accordion__item {
    transition: none;
  }
  .page-contact .faq-tile:hover {
    transform: none;
  }
}