.page-contact {
  --contact-gap: clamp(20px, 3vw, 40px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

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

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  margin: clamp(14px, 2vw, 22px) 0 clamp(38px, 5vw, 66px);
  padding: clamp(26px, 4vw, 52px) clamp(20px, 3.6vw, 48px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background:
    radial-gradient(130% 150% at 92% -20%, rgba(201, 162, 39, .18), transparent 60%),
    linear-gradient(155deg, #10312A 0%, #0B211C 62%, #05130F 100%);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: clamp(170px, 26vw, 300px);
  height: clamp(170px, 26vw, 300px);
  border: 1px solid var(--gold-soft);
  border-radius: 50%;
  opacity: .55;
  pointer-events: none;
}

.page-contact .contact-hero .label {
  display: inline-block;
  margin: 0 0 clamp(12px, 1.6vw, 20px);
}

.page-contact .contact-hero h1 {
  position: relative;
  margin: 0 0 clamp(14px, 1.8vw, 22px);
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.25;
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .contact-hero .lede {
  position: relative;
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.page-contact .hero-facts {
  position: relative;
  list-style: none;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: clamp(18px, 2.2vw, 24px) 0 0;
  border-top: 1px solid var(--line-faint);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 1.8vw, 20px);
}

.page-contact .hero-facts li {
  display: grid;
  gap: 2px;
}

.page-contact .hero-facts .mono {
  color: var(--gold-hi);
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: .04em;
}

.page-contact .hero-facts span:last-child {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.6;
}

@media (min-width: 660px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 章节节奏 ---------- */

.page-contact .section {
  margin: 0 0 clamp(44px, 6vw, 82px);
}

.page-contact .section-head {
  margin-bottom: clamp(20px, 2.6vw, 32px);
}

.page-contact .section-note {
  max-width: 56ch;
}

/* ---------- 渠道 ---------- */

.page-contact .channels-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

@media (min-width: 940px) {
  .page-contact .channels-layout {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }
}

.page-contact .channel-stack {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(23, 69, 58, .72) 0%, rgba(5, 19, 15, .88) 100%);
}

@media (min-width: 940px) {
  .page-contact .channel-card:nth-child(2) {
    margin-left: clamp(0px, 2vw, 22px);
  }
  .page-contact .channel-card:nth-child(3) {
    margin-left: clamp(0px, 4vw, 44px);
  }
}

.page-contact .channel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(12px, 1.6vw, 16px);
}

.page-contact .channel-kind {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .channel-value {
  margin: 0 0 clamp(10px, 1.4vw, 14px);
  font-size: clamp(15px, 1.9vw, 18px);
  letter-spacing: .04em;
  color: var(--gold-hi);
  word-break: break-all;
}

.page-contact .channel-desc {
  margin: 0 0 clamp(12px, 1.6vw, 16px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .channel-desc a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-soft);
}

.page-contact .channel-desc a:hover,
.page-contact .channel-desc a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

.page-contact .channel-note {
  margin: 0;
  padding-top: clamp(12px, 1.6vw, 16px);
  border-top: 1px dashed var(--line-faint);
  color: var(--teal);
  font-size: 13px;
  line-height: 1.7;
}

.page-contact .channels-aside {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

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

.page-contact .contact-figure .figure-frame {
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--deep);
}

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

.page-contact .figure-cap {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 准备清单 ---------- */

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--line-faint);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--line-faint);
}

@media (min-width: 760px) {
  .page-contact .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(12px, 1.6vw, 16px);
  align-items: start;
  padding: clamp(15px, 1.9vw, 20px) clamp(16px, 2.1vw, 22px);
  background: linear-gradient(180deg, rgba(16, 49, 42, .78), rgba(11, 33, 28, .92));
  color: var(--ink);
  font-size: 15px;
  line-height: 1.72;
}

.page-contact .prep-box {
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  background: rgba(201, 162, 39, .08);
}

/* ---------- 四步流程 ---------- */

.page-contact .step-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
}

@media (min-width: 880px) {
  .page-contact .step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .step-list::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 6%;
    right: 6%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-soft) 18%, var(--gold-soft) 82%, transparent);
    z-index: 0;
  }
}

.page-contact .step {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 24px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(23, 69, 58, .6) 0%, rgba(11, 33, 28, .92) 100%);
}

.page-contact .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: var(--bg);
  color: var(--gold-hi);
  font-size: 14px;
}

.page-contact .step-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  letter-spacing: .02em;
  color: var(--ink);
}

.page-contact .step-text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 反馈折叠面板 ---------- */

.page-contact .accordion {
  margin-bottom: 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(16, 49, 42, .68), rgba(11, 33, 28, .9));
  overflow: hidden;
}

.page-contact .accordion summary {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.6vw, 16px);
  padding: clamp(16px, 2.1vw, 22px) clamp(18px, 2.5vw, 26px);
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.8vw, 17px);
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .accordion summary::-webkit-details-marker {
  display: none;
}

.page-contact .accordion summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .accordion[open] summary::after {
  content: "−";
}

.page-contact .accordion-index {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .accordion-body {
  padding: 0 clamp(18px, 2.5vw, 26px) clamp(18px, 2.4vw, 24px);
}

.page-contact .accordion-body p {
  margin: 0;
  padding-top: clamp(14px, 1.9vw, 18px);
  border-top: 1px solid var(--line-faint);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .feedback-tail {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .feedback-tail a,
.page-contact .contact-tail a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-soft);
}

.page-contact .feedback-tail a:hover,
.page-contact .feedback-tail a:focus-visible,
.page-contact .contact-tail a:hover,
.page-contact .contact-tail a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

/* ---------- 服务区域色带 ---------- */

.page-contact .region-band {
  position: relative;
  margin: 0 0 clamp(26px, 3.4vw, 42px);
  padding: clamp(26px, 4vw, 48px) clamp(22px, 3.4vw, 46px);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 150% at 8% 0%, rgba(60, 140, 114, .3), transparent 60%),
    linear-gradient(150deg, #17453A 0%, #05130F 100%);
  overflow: hidden;
}

.page-contact .region-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.2vw, 42px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-contact .region-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

.page-contact .region-copy .section-index {
  display: block;
  margin-bottom: 10px;
}

.page-contact .region-copy .section-title {
  margin: 0 0 clamp(12px, 1.6vw, 18px);
}

.page-contact .region-lede {
  margin: 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.page-contact .region-stats {
  list-style: none;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--line-faint);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--line-faint);
}

.page-contact .region-stats li {
  display: grid;
  gap: 4px;
  padding: clamp(14px, 1.9vw, 18px) clamp(16px, 2.1vw, 20px);
  background: rgba(5, 19, 15, .84);
}

.page-contact .region-stats strong {
  display: block;
  font-size: clamp(16px, 2.1vw, 20px);
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--gold-hi);
}

.page-contact .region-stats span {
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.65;
}

.page-contact .region-figure {
  margin: 0;
  border: 1px solid var(--gold-soft);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--deep);
}

.page-contact .region-figure img {
  width: 100%;
  object-fit: cover;
}

.page-contact .region-figure .figure-cap {
  margin: 0;
  padding: 14px clamp(16px, 2vw, 20px);
  border-top: 1px solid var(--line-faint);
  background: rgba(5, 19, 15, .9);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 页尾一行 ---------- */

.page-contact .contact-tail {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}
<<<END>>>