.page-contact {
  background: var(--white);
  color: var(--graphite);
  font-family: var(--font-sans);
  line-height: 1.75;
}

/* ---------- 首屏：三条联系渠道 ---------- */
.page-contact .contact-hero {
  position: relative;
  background-color: var(--ink);
  border-top: 4px solid var(--red);
  color: var(--white);
  padding: clamp(22px, 5vw, 48px) 0 clamp(34px, 6vw, 68px);
  background-image:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 74px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .05) 0 1px, transparent 1px 74px);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

.page-contact .contact-hero .breadcrumb {
  font-size: 13px;
  letter-spacing: .05em;
  color: rgba(255, 255, 255, .6);
}

.page-contact .contact-hero .breadcrumb a {
  color: rgba(255, 255, 255, .88);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .3);
}

.page-contact .contact-hero .breadcrumb a:hover,
.page-contact .contact-hero .breadcrumb a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

.page-contact .contact-hero .breadcrumb span[aria-current="page"] {
  color: var(--yellow);
}

.page-contact .contact-hero__lead {
  display: grid;
  gap: 12px;
  max-width: 780px;
}

.page-contact .contact-hero__lead .section-no {
  font-family: var(--font-mono);
  font-size: clamp(34px, 8vw, 68px);
  font-weight: 200;
  line-height: .9;
  letter-spacing: .04em;
  color: var(--red);
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-size: clamp(26px, 5.2vw, 46px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-hero__intro {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.82;
  color: rgba(255, 255, 255, .78);
}

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

.page-contact .contact-hero__anchor {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--yellow);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 183, 5, .5);
}

.page-contact .contact-hero__anchor:hover,
.page-contact .contact-hero__anchor:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(16px, 3vw, 30px);
}

.page-contact .lanes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .lane {
  padding: 16px 18px 18px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-left: 3px solid rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .045);
  backdrop-filter: blur(6px);
}

.page-contact .lane--primary {
  border-left-color: var(--yellow);
  background: rgba(200, 16, 46, .16);
}

.page-contact .lane__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .6);
}

.page-contact .lane__no {
  font-family: var(--font-mono);
  color: var(--yellow);
}

.page-contact .lane__name {
  font-weight: 700;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .92);
}

.page-contact .lane__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--white);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.page-contact .lane__value--mail {
  font-size: clamp(16px, 4.4vw, 29px);
  letter-spacing: -.01em;
}

.page-contact .lane__value--tel {
  font-size: clamp(20px, 5vw, 34px);
  letter-spacing: .02em;
}

.page-contact .lane__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(14px, 1.6vw, 16.5px);
  font-weight: 700;
}

.page-contact .lane__use {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .72);
}

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

.page-contact .contact-hero__figure .figure__media {
  border: 1px solid rgba(255, 255, 255, .16);
  background: rgba(255, 255, 255, .05);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-hero__figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .58);
}

/* ---------- 通用小节头部 ---------- */
.page-contact .contact-section__head {
  display: grid;
  gap: 8px;
  max-width: 780px;
  margin-bottom: clamp(20px, 3.4vw, 36px);
}

.page-contact .contact-section__head .section-no {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6.5vw, 58px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--line);
}

.page-contact .contact-section__head h2 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .contact-section__sub {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 问题类型 ---------- */
.page-contact .contact-routes {
  background: var(--mist);
  padding: clamp(38px, 7vw, 82px) 0;
}

.page-contact .route-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--graphite);
}

.page-contact .route-card--entry { border-top-color: var(--red); }
.page-contact .route-card--login { border-top-color: var(--yellow); }
.page-contact .route-card--data { border-top-color: var(--ink); }
.page-contact .route-card--coop { border-top-color: var(--blue); }

.page-contact .route-card__tag {
  align-self: flex-start;
  margin: 0;
}

.page-contact .route-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--ink);
}

.page-contact .route-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--graphite);
}

.page-contact .route-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--blue-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-contact .route-card__link:hover,
.page-contact .route-card__link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 反馈流程 ---------- */
.page-contact .contact-flow {
  background: var(--white);
  padding: clamp(38px, 7vw, 82px) 0;
}

.page-contact .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .flow-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .flow-step__no {
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--red);
}

.page-contact .flow-step__body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--ink);
}

.page-contact .flow-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 来信与寄送 ---------- */
.page-contact .contact-post {
  background: var(--mist);
  padding: clamp(38px, 7vw, 82px) 0;
}

.page-contact .contact-post__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

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

.page-contact .contact-post__figure .figure__media {
  background: var(--white);
  border: 1px solid var(--line);
}

.page-contact .contact-post__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-post__figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--graphite);
}

.page-contact .contact-post__body {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .contact-post__body .section-no {
  font-family: var(--font-mono);
  font-size: clamp(28px, 6.5vw, 58px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--line);
}

.page-contact .contact-post__body h2 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .contact-post__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .post-address {
  margin: 6px 0 0;
  padding: 18px 20px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
}

.page-contact .post-address__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--red);
}

.page-contact .post-address__value {
  margin: 0 0 12px;
  font-style: normal;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-contact .post-address__mark {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .post-hints {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .post-hints li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--graphite);
}

.page-contact .post-hints li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 8px;
  background: var(--yellow);
}

/* ---------- 备案与品牌存档 ---------- */
.page-contact .contact-archive {
  background: var(--yellow-pale);
  border-top: 4px solid var(--yellow);
  padding: clamp(34px, 6vw, 66px) 0;
}

.page-contact .contact-archive__inner {
  display: grid;
  gap: 20px;
}

.page-contact .contact-archive__seal {
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  border: 2px solid var(--red);
  color: var(--red);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .12em;
  transform: rotate(-5deg);
}

.page-contact .contact-archive__body h2 {
  margin: 0 0 10px;
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .contact-archive__body > p {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--graphite);
}

.page-contact .archive-list {
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .archive-list__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(16, 20, 24, .14);
}

.page-contact .archive-list dt {
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--graphite);
}

.page-contact .archive-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14.5px;
  font-weight: 700;
  text-align: right;
  color: var(--ink);
}

.page-contact .contact-archive__links {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .contact-archive__links a {
  color: var(--blue-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 79, 138, .35);
}

.page-contact .contact-archive__links a:hover,
.page-contact .contact-archive__links a:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .archive-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: start;
  }

  .page-contact .flow-step {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 26px;
    padding: 22px 0;
  }

  .page-contact .contact-post__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .contact-archive__inner {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .route-card {
    padding: 22px 20px 20px;
  }
}
<<<END>>>