.page-contact {
  --pc-panel: 30px;
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 6vw, 84px);
  overflow-x: hidden;
}

.page-contact .section--flush {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-contact [id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(32px, 4.6vw, 60px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 34px);
  margin-top: clamp(18px, 2.8vw, 32px);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--ink);
}

.page-contact .contact-hero h1 em {
  font-style: normal;
  color: var(--blue);
  position: relative;
}

.page-contact .contact-hero h1 em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.18em;
  background: linear-gradient(90deg, rgba(11, 95, 255, 0.24), rgba(0, 229, 255, 0.34));
  border-radius: var(--radius-pill);
  z-index: -1;
}

.page-contact .contact-hero .lead {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--grey);
}

/* 问题分类胶囊 */
.page-contact .picker {
  margin-top: clamp(24px, 3.2vw, 38px);
  padding-top: clamp(18px, 2.4vw, 26px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .picker__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-contact .picker__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease),
    color 200ms var(--ease), transform 200ms var(--ease);
}

.page-contact .chip::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 3px rgba(11, 95, 255, 0.12);
}

.page-contact .chip:hover,
.page-contact .chip:focus-visible {
  border-color: var(--blue);
  background: var(--tag);
  color: var(--blue);
  transform: translateY(-2px);
}

.page-contact .chip:hover::before,
.page-contact .chip:focus-visible::before {
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.22);
}

/* 联系资料卡 */
.page-contact .contact-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-xl);
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.22), rgba(0, 229, 255, 0));
  pointer-events: none;
}

.page-contact .contact-card__head {
  position: relative;
  z-index: 1;
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.page-contact .contact-card__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-card__rows {
  position: relative;
  z-index: 1;
  margin: 20px 0 0;
}

.page-contact .contact-row {
  display: grid;
  gap: 5px;
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.page-contact .contact-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-row__strong {
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

.page-contact .contact-card__note {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--tag);
  color: var(--blue-deep);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 通用章节头 ---------- */
.page-contact .sec-head {
  max-width: 66ch;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-contact .sec-head h2,
.page-contact .channels__text h2,
.page-contact .resp__panel h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.2vw, 38px);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.22;
}

.page-contact .sec-head p {
  margin: 14px 0 0;
  color: var(--grey);
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 01 联系与到访 ---------- */
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 48px);
  align-items: start;
}

.page-contact .channels__text p {
  margin: 14px 0 0;
  color: var(--grey);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-contact .addr-card {
  margin-top: clamp(22px, 2.8vw, 30px);
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, var(--night), var(--ink));
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-contact .addr-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(0, 229, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.1) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.7;
  pointer-events: none;
}

.page-contact .addr-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .addr-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .addr-card__value {
  margin: 12px 0 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .addr-card__hint {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .channel-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-split li {
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-md);
  background: var(--white);
}

.page-contact .channel-split h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .channel-split p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-contact .zone-figure {
  margin: 0;
  position: relative;
}

.page-contact .zone-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
  background: linear-gradient(140deg, rgba(11, 95, 255, 0.16), rgba(0, 229, 255, 0.2));
  box-shadow: var(--shadow-soft);
}

.page-contact .zone-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

/* ---------- 02 受理范围 ---------- */
.page-contact .scope-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scope-item {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px) clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease),
    border-color 220ms var(--ease);
}

.page-contact .scope-item:hover {
  transform: translateY(-2px);
  border-color: rgba(11, 95, 255, 0.4);
  box-shadow: var(--shadow-soft);
}

.page-contact .scope-item__no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-contact .scope-item h3 {
  margin: 10px 0 0;
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.35;
}

.page-contact .scope-item p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* ---------- 03 沟通准备 ---------- */
.page-contact .prep-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 20px 20px 18px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line-soft);
}

.page-contact .prep-item__no {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--tag);
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
}

.page-contact .prep-item h3 {
  margin: 2px 0 0;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .prep-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

/* ---------- 04 响应 ---------- */
.page-contact .resp {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .resp__panel {
  padding: clamp(24px, 3.4vw, 44px);
  border-radius: var(--radius-xl);
  background: linear-gradient(155deg, var(--ink), var(--night));
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.page-contact .resp__panel::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(11, 95, 255, 0.45), rgba(11, 95, 255, 0));
  pointer-events: none;
}

.page-contact .resp__panel > * {
  position: relative;
  z-index: 1;
}

.page-contact .section__no--onDark {
  color: var(--cyan);
}

.page-contact .resp__panel h2 {
  color: var(--white);
}

.page-contact .resp-steps {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  counter-reset: resp;
}

.page-contact .resp-steps li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.16);
}

.page-contact .resp-steps__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .resp-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.86);
}

.page-contact .resp__tail {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
}

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

.page-contact .resp__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: linear-gradient(140deg, rgba(11, 95, 255, 0.2), rgba(0, 229, 255, 0.24));
}

.page-contact .resp__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

/* ---------- 05 商务合作 ---------- */
.page-contact .partner-grid {
  align-items: stretch;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
}

.page-contact .partner-card .card__body {
  flex: 1;
}

.page-contact .partner-card .card__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .partner-card .card__title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .partner-cta {
  margin-top: clamp(22px, 3vw, 34px);
  padding: clamp(20px, 2.8vw, 30px);
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line-soft);
  display: grid;
  gap: 16px;
}

.page-contact .partner-cta__text {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--grey);
}

.page-contact .partner-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .scope-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .scope-list .scope-item:first-child {
    grid-column: 1 / -1;
  }

  .page-contact .prep-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .partner-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(30px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .channels {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .scope-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .scope-list .scope-item:first-child {
    grid-column: auto;
  }

  .page-contact .resp {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .prep-item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .prep-item__no {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
}

@media (max-width: 420px) {
  .page-contact .chip {
    padding: 9px 13px;
    font-size: 13px;
  }

  .page-contact .contact-row__strong {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chip,
  .page-contact .scope-item {
    transition: none;
  }

  .page-contact .chip:hover,
  .page-contact .scope-item:hover {
    transform: none;
  }
}