.page-contact {
  --pc-gap: clamp(20px, 3vw, 36px);
  --pc-panel: rgba(15, 30, 37, .58);
}

.page-contact .section-head {
  max-width: 62ch;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(26px, 4.6vw, 54px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: center;
}

.page-contact .contact-hero__lead {
  max-width: 62ch;
  min-width: 0;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

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

.page-contact .contact-hero__strip {
  list-style: none;
  margin: clamp(30px, 5vw, 52px) 0 0;
  padding: clamp(20px, 3vw, 26px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .contact-hero__strip li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .contact-hero__strip .mono {
  flex: none;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

/* ---------- 需求对话 ---------- */

.page-contact .dialog-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-contact .dialog-thread {
  min-width: 0;
}

.page-contact .dialog-progress {
  height: 4px;
  border-radius: var(--r-pill);
  background: rgba(198, 210, 216, .14);
  overflow: hidden;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .dialog-progress__fill {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--teal) 55%, var(--orange));
}

.page-contact .dialog-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-contact .dialog-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 18px);
  align-items: start;
}

.page-contact .dialog-step__no {
  padding-top: 14px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .dialog-step__body {
  min-width: 0;
}

.page-contact .dialog-bubble {
  margin: 0 0 10px;
  padding: 15px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-strong);
  background: rgba(20, 227, 210, .07);
  color: var(--white);
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .dialog-hint {
  margin: 0 0 14px;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .dialog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .dialog-input {
  max-width: 520px;
}

.page-contact .dialog-input input,
.page-contact .dialog-input textarea {
  box-sizing: border-box;
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(6, 15, 20, .62);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .dialog-input textarea {
  resize: vertical;
}

.page-contact .dialog-input input::placeholder,
.page-contact .dialog-input textarea::placeholder {
  color: var(--mist);
}

.page-contact .dialog-input input:focus,
.page-contact .dialog-input textarea:focus {
  outline: none;
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(20, 227, 210, .14);
}

.page-contact .dialog-finish {
  margin-top: clamp(28px, 4vw, 42px);
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 122, 44, .34);
  background: linear-gradient(155deg, rgba(255, 122, 44, .15), rgba(255, 217, 191, .045));
}

.page-contact .dialog-finish__title {
  margin: 0 0 10px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .dialog-finish__text {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .dialog-finish__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 联系卡 ---------- */

.page-contact .dialog-aside {
  min-width: 0;
}

.page-contact .contact-card {
  padding: clamp(20px, 3vw, 28px);
}

.page-contact .contact-card__list {
  margin: 14px 0 0;
  display: grid;
  gap: 4px;
}

.page-contact .contact-card__list dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-contact .contact-card__list dd {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-contact .contact-card__list dd.mono {
  color: var(--cyan);
}

.page-contact .contact-card__list dd:last-child {
  margin-bottom: 0;
}

.page-contact .contact-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 回复节奏 ---------- */

.page-contact .reply-steps {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .reply-step {
  background: var(--ink);
  padding: clamp(20px, 3vw, 30px);
  min-width: 0;
}

.page-contact .reply-step__no {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-contact .reply-step h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .reply-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 三条对接路径 ---------- */

.page-contact .lines-stage {
  position: relative;
  margin-top: clamp(26px, 4vw, 46px);
  padding: clamp(20px, 3vw, 36px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-contact .lines-stage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-contact .lines-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 15, 20, .68), rgba(6, 15, 20, .94));
}

.page-contact .lines-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .path-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  min-width: 0;
}

.page-contact .path-card h3 {
  margin: 0;
  font-size: clamp(17px, 1.7vw, 20px);
  line-height: 1.45;
  color: var(--white);
}

.page-contact .path-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .path-card__meta {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-contact .path-card .btn {
  margin-top: auto;
}

.page-contact .path-card--retail {
  border-left: 2px solid var(--orange);
}

.page-contact .path-card--biz {
  border-left: 2px solid var(--cyan);
}

.page-contact .path-card--service {
  border-left: 2px solid var(--teal);
}

/* ---------- 资料寄送与来访 ---------- */

.page-contact .visit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.5vw, 44px);
  align-items: start;
}

.page-contact .visit-copy {
  min-width: 0;
}

.page-contact .visit-address {
  display: block;
  margin: clamp(18px, 2.6vw, 24px) 0 14px;
  padding: 16px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-md);
  font-style: normal;
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}

.page-contact .visit-address .mono {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .visit-panel {
  padding: clamp(20px, 3vw, 28px);
  min-width: 0;
}

.page-contact .visit-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .visit-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .visit-list .mono {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal);
}

/* ---------- 返回顶部 ---------- */

.page-contact .contact-to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 40;
  background: rgba(15, 30, 37, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .contact-hero__strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 30px);
  }
}

@media (min-width: 780px) {
  .page-contact .reply-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

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

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 1020px) {
  .page-contact .dialog-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-contact .dialog-aside {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }

  .page-contact .reply-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .glass-card,
  .page-contact .contact-to-top {
    transition: none;
  }
}