.page-contact {
  display: block;
  background: var(--ink-900);
  color: var(--text-body);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
}
.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--slate-500);
}
.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  transition: color .16s var(--ease);
}
.page-contact .breadcrumb a:hover {
  color: var(--emerald-500);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 56px) 0 clamp(52px, 8vw, 100px);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: .34;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 92% at 18% 0%, #000 0%, transparent 70%);
  mask-image: radial-gradient(120% 92% at 18% 0%, #000 0%, transparent 70%);
}
.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 16%;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(18, 196, 139, .6), transparent);
  transform: rotate(-6deg);
  pointer-events: none;
}
.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}
.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(42px, 8vw, 82px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--ice-100);
}
.page-contact .contact-hero__lead {
  margin: clamp(18px, 2.2vw, 28px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.75;
  color: var(--text-body);
}
.page-contact .contact-hero__index {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.page-contact .contact-hero__index ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-contact .contact-hero__index li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(30, 58, 102, .8);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ice-100);
}
.page-contact .contact-hero__num {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--emerald-500);
}
.page-contact .contact-hero__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 三条渠道 ---------- */
.page-contact .channels {
  padding: clamp(20px, 3vw, 36px) 0 clamp(52px, 7vw, 92px);
}
.page-contact .channels .section__head {
  margin-bottom: clamp(26px, 3.5vw, 44px);
}
.page-contact .channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}
.page-contact .channel {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(162deg, var(--panel-700), var(--ink-800));
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}
.page-contact .channel::before {
  content: "";
  position: absolute;
  left: clamp(22px, 3vw, 34px);
  top: 0;
  width: 46px;
  height: 2px;
  background: var(--emerald-500);
}
.page-contact .channel--phone {
  border-color: rgba(18, 196, 139, .42);
  background: linear-gradient(162deg, #14304F, var(--ink-800));
  box-shadow: 0 18px 44px rgba(3, 8, 18, .5);
}
.page-contact .channel--addr::before {
  background: var(--flare-500);
}
.page-contact .channel:hover {
  border-color: var(--emerald-500);
  transform: translateY(-2px);
}
.page-contact .channel__title {
  margin: 12px 0 0;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ice-100);
}
.page-contact .channel__value {
  margin: 16px 0 0;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.3vw, 19px);
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: var(--ice-100);
}
.page-contact .channel__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .channel__value a:hover {
  color: var(--emerald-500);
  border-bottom-color: var(--emerald-500);
}
.page-contact .channel__value--phone a {
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 600;
  letter-spacing: .04em;
}
.page-contact .channel__value--addr {
  font-size: clamp(15px, 1.4vw, 20px);
  letter-spacing: .01em;
}
.page-contact .channel__desc {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .channel__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-contact .channel__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}
.page-contact .channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald-500);
}
.page-contact .channel--addr .channel__list li::before {
  background: var(--amber-400);
}

/* ---------- 需求分流 ---------- */
.page-contact .routing {
  padding: clamp(48px, 6vw, 88px) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .routing .section__head {
  margin-bottom: clamp(24px, 3vw, 38px);
}
.page-contact .routing__tabs {
  border-top: 1px solid var(--line);
  padding-top: clamp(20px, 2.6vw, 32px);
}
.page-contact .routing__tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-contact .routing__tabs .tab {
  appearance: none;
  padding: 9px 18px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}
.page-contact .routing__tabs .tab:not([aria-selected="true"]):hover {
  color: var(--ice-100);
  border-color: var(--emerald-500);
}
.page-contact .routing__tabs .tab:focus-visible {
  outline: 2px solid var(--emerald-500);
  outline-offset: 2px;
}
.page-contact .routing__tabs .tab[aria-selected="true"],
.page-contact .routing__tabs .tab.is-active {
  background: var(--emerald-500);
  border-color: var(--emerald-500);
  color: var(--ink-900);
  font-weight: 700;
}
.page-contact .routing__tabs .tabpanel {
  display: none;
}
.page-contact .routing__tabs .tabpanel.is-active {
  display: block;
  animation: contact-fade .32s var(--ease) both;
}
.page-contact .routing__tabs .tabpanel:focus-visible {
  outline: 2px solid var(--emerald-500);
  outline-offset: 4px;
}
@keyframes contact-fade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}
.page-contact .topic {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.6vw, 34px);
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(150deg, var(--panel-700), rgba(12, 27, 51, .9));
  border: 1px solid var(--line);
  border-left: 3px solid var(--emerald-500);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1);
}
.page-contact .topic__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(19px, 2.1vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ice-100);
}
.page-contact .topic__main p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-body);
}
.page-contact .topic__side {
  padding-top: 4px;
  border-top: 1px solid var(--line);
}
.page-contact .topic__channel {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--emerald-500);
  overflow-wrap: anywhere;
}
.page-contact .topic__sub {
  margin-top: 20px;
}
.page-contact .topic__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-contact .topic__list li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}
.page-contact .topic__list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--slate-500);
}
.page-contact .topic__list a {
  color: var(--ice-100);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .topic__list a:hover {
  color: var(--emerald-500);
  border-bottom-color: var(--emerald-500);
}

/* ---------- 跟进路径 ---------- */
.page-contact .followup {
  padding: clamp(52px, 7vw, 96px) 0;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
}
.page-contact .followup__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}
.page-contact .followup__media {
  position: relative;
  overflow: hidden;
  background: var(--panel-700);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2);
}
.page-contact .followup__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(255, 90, 43, .16), transparent 58%);
  pointer-events: none;
}
.page-contact .followup__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  opacity: .92;
}
.page-contact .followup__lead {
  margin: clamp(16px, 2vw, 24px) 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-body);
}
.page-contact .steps {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.page-contact .steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-contact .steps .num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--flare-500);
}
.page-contact .steps strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ice-100);
}
.page-contact .steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.page-contact .steps a {
  color: var(--ice-100);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .steps a:hover {
  color: var(--emerald-500);
  border-bottom-color: var(--emerald-500);
}

/* ---------- 来信与寄送 ---------- */
.page-contact .mailin {
  padding: clamp(52px, 7vw, 92px) 0;
}
.page-contact .mailin__board {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2);
}
.page-contact .mailin__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}
.page-contact .mailin__board::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, rgba(7, 15, 30, .95) 0%, rgba(7, 15, 30, .82) 48%, rgba(7, 15, 30, .44) 100%);
  pointer-events: none;
}
.page-contact .mailin__content {
  position: relative;
  z-index: 2;
  padding: clamp(26px, 4vw, 56px);
}
.page-contact .mailin__addr {
  margin: clamp(18px, 2.4vw, 28px) 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--emerald-500);
  font-family: var(--font-mono);
  font-size: clamp(16px, 1.8vw, 22px);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--ice-100);
  overflow-wrap: anywhere;
}
.page-contact .mailin__lead {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text-body);
}
.page-contact .mailin__tips {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-contact .mailin__tips li {
  padding-top: 12px;
  border-top: 1px solid rgba(233, 241, 255, .18);
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-body);
}
.page-contact .mailin__tips .mono {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--amber-400);
}

/* ---------- 联系前疑问 ---------- */
.page-contact .faq {
  padding: clamp(48px, 6vw, 88px) 0;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}
.page-contact .faq__list {
  margin: clamp(24px, 3vw, 38px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 2.6vw, 30px);
}
.page-contact .faq__item {
  padding-top: 18px;
  border-top: 2px solid var(--line);
}
.page-contact .faq__item dt {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ice-100);
}
.page-contact .faq__item dd {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}
.page-contact .faq__more {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}
.page-contact .faq__more a {
  color: var(--ice-100);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .faq__more a:hover {
  color: var(--emerald-500);
  border-bottom-color: var(--emerald-500);
}

/* ---------- 值守信息带 ---------- */
.page-contact .watch {
  padding: clamp(36px, 5vw, 60px) 0;
  background: linear-gradient(100deg, rgba(18, 196, 139, .14), rgba(255, 90, 43, .1) 62%, transparent);
  border-top: 1px solid var(--line);
}
.page-contact .watch__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 24px);
  align-items: center;
}
.page-contact .watch__title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ice-100);
}
.page-contact .watch__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-body);
}
.page-contact .watch__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}
.page-contact .watch__links a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--ice-100);
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), transform .16s var(--ease);
}
.page-contact .watch__links a:hover {
  color: var(--emerald-500);
  border-color: var(--emerald-500);
  transform: translateY(-2px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .mailin__tips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 820px) {
  .page-contact .faq__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .channels__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr) minmax(0, 1fr);
  }
  .page-contact .channel--phone {
    margin-top: -30px;
    padding-bottom: clamp(42px, 4vw, 58px);
  }
  .page-contact .watch__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 6fr) minmax(0, 3fr);
  }
}

@media (min-width: 940px) {
  .page-contact .followup__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-contact .topic {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
  }
  .page-contact .topic__side {
    padding-top: 0;
    padding-left: clamp(20px, 2.4vw, 30px);
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }
}

@media (max-width: 400px) {
  .page-contact .channel__value--phone a {
    font-size: 24px;
    letter-spacing: .02em;
  }
  .page-contact .contact-hero h1 {
    font-size: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .channel__value a,
  .page-contact .watch__links a {
    transition: none;
  }
  .page-contact .channel:hover,
  .page-contact .watch__links a:hover {
    transform: none;
  }
  .page-contact .routing__tabs .tabpanel.is-active {
    animation: none;
  }
}