.page-contact {
  --contact-line: 1px solid var(--hair);
  --contact-soft: rgba(243, 240, 232, 0.08);
  background: var(--pitch-black);
  color: var(--bone-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-contact .contact-kicker,
.page-contact .contact-head__idx,
.page-contact .topic__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--signal-cyan);
  text-transform: uppercase;
}

/* ---------- 首屏联系横幅 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 6vw, 56px) 0 clamp(38px, 7vw, 76px);
  border-bottom: var(--contact-line);
  background:
    radial-gradient(90% 130% at 6% 0%, rgba(75, 13, 24, 0.92) 0%, rgba(8, 8, 10, 0) 62%),
    linear-gradient(180deg, #0b0b0f 0%, var(--pitch-black) 82%);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  filter: grayscale(0.35) contrast(1.1) brightness(0.8);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero .crumbs {
  color: var(--ash-gray);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-contact .contact-hero .crumbs__link {
  color: var(--ash-gray);
  text-decoration: none;
}

.page-contact .contact-hero .crumbs__link:hover,
.page-contact .contact-hero .crumbs__link:focus-visible {
  color: var(--signal-cyan);
}

.page-contact .contact-hero .crumbs__sep {
  color: var(--warm-red-mid);
  margin: 0 8px;
}

.page-contact .contact-hero .crumbs__current {
  color: var(--bone-white);
}

.page-contact .contact-kicker {
  margin: 28px 0 0;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.4vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--bone-white);
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 3.6vw, 18px);
  line-height: 1.75;
  color: rgba(243, 240, 232, 0.82);
}

.page-contact .contact-hero__actions {
  margin-top: clamp(26px, 5vw, 42px);
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.page-contact .contact-action {
  display: block;
  padding: 16px 18px;
  background: rgba(20, 20, 24, 0.78);
  border: var(--contact-line);
  border-left: 3px solid var(--signal-cyan);
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-contact .contact-action:hover,
.page-contact .contact-action:focus-visible {
  border-color: var(--signal-cyan);
  background: rgba(6, 59, 58, 0.6);
}

.page-contact .contact-action--alt {
  border-left-color: var(--flare-yellow);
}

.page-contact .contact-action--alt:hover,
.page-contact .contact-action--alt:focus-visible {
  border-color: var(--flare-yellow);
  background: rgba(75, 13, 24, 0.62);
}

.page-contact .contact-action__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ash-gray);
}

.page-contact .contact-action__v {
  display: inline-block;
  margin-top: 8px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 4.2vw, 26px);
  line-height: 1.25;
  color: var(--bone-white);
  border-bottom: 1px solid rgba(47, 243, 224, 0.55);
  overflow-wrap: anywhere;
}

/* ---------- 章节抬头 ---------- */
.page-contact .contact-head {
  max-width: 62ch;
}

.page-contact .contact-head h2,
.page-contact .contact-hours h2,
.page-contact .contact-partner h2,
.page-contact .contact-legal h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

.page-contact .contact-head__sub,
.page-contact .contact-hours__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ash-gray);
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels {
  padding: clamp(42px, 8vw, 92px) 0;
}

.page-contact .channels {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--contact-soft);
  border: var(--contact-line);
}

.page-contact .channel {
  padding: 24px 20px 26px;
  background: var(--pitch-black);
  transition: background-color 0.2s ease;
}

.page-contact .channel:hover {
  background: var(--carbon);
}

.page-contact .channel__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ash-gray);
}

.page-contact .channel__v {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 4.4vw, 24px);
  line-height: 1.3;
  color: var(--bone-white);
  overflow-wrap: anywhere;
}

.page-contact .channel__v--text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(15px, 3.8vw, 19px);
  line-height: 1.5;
}

.page-contact .channel__d {
  margin: 12px 0 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ash-gray);
}

/* ---------- 问题分类（浅色阅读区） ---------- */
.page-contact .contact-topics {
  padding: clamp(42px, 8vw, 92px) 0;
  background: var(--paper-mist);
  color: var(--pitch-black);
}

.page-contact .contact-topics .contact-head__idx {
  color: var(--milan-red);
}

.page-contact .contact-topics .contact-head__sub {
  color: rgba(8, 8, 10, 0.68);
}

.page-contact .topics {
  margin-top: 30px;
  display: grid;
  border-top: 1px solid rgba(8, 8, 10, 0.2);
}

.page-contact .topic {
  padding: 22px 0 24px;
  border-bottom: 1px solid rgba(8, 8, 10, 0.2);
  border-left: 3px solid transparent;
  padding-left: 14px;
  margin-left: -14px;
  transition: border-left-color 0.18s ease, background-color 0.18s ease;
}

.page-contact .topic:hover {
  border-left-color: var(--signal-cyan);
  background: rgba(8, 8, 10, 0.035);
}

.page-contact .topic__idx {
  color: var(--milan-red);
}

.page-contact .topic__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.2;
  color: var(--pitch-black);
}

.page-contact .topic__body {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(8, 8, 10, 0.82);
}

.page-contact .topic__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .topic__list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(8, 8, 10, 0.7);
}

.page-contact .topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--deep-teal);
}

/* ---------- 服务时段 ---------- */
.page-contact .contact-hours {
  padding: clamp(42px, 8vw, 92px) 0;
  border-bottom: var(--contact-line);
}

.page-contact .contact-hours__grid {
  display: grid;
  gap: 34px;
}

.page-contact .timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .timeline__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 14px;
  align-items: center;
}

.page-contact .timeline__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ash-gray);
}

.page-contact .timeline__val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--bone-white);
  white-space: nowrap;
}

.page-contact .timeline__track {
  position: relative;
  grid-column: 1 / -1;
  display: block;
  height: 8px;
  background: var(--contact-soft);
  border-left: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
}

.page-contact .timeline__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  display: block;
}

.page-contact .timeline__fill--reply {
  left: 37.5%;
  width: 37.5%;
  background: var(--signal-cyan);
}

.page-contact .timeline__fill--live {
  left: 29.17%;
  width: 66.67%;
  background: rgba(233, 255, 63, 0.6);
}

.page-contact .contact-hours__note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--warm-red-mid);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash-gray);
}

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

.page-contact .contact-hours__figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--contact-line);
}

.page-contact .contact-hours__figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ash-gray);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .contact-partner {
  padding: clamp(42px, 8vw, 92px) 0;
}

.page-contact .partner-grid {
  margin-top: 30px;
  display: grid;
  gap: 16px;
}

.page-contact .partner-card {
  padding: 26px 22px 24px;
  background: var(--carbon);
  border: var(--contact-line);
  border-top: 3px solid var(--deep-teal);
}

.page-contact .partner-card--wine {
  background: rgba(75, 13, 24, 0.55);
  border-top-color: var(--milan-red);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.25;
  color: var(--bone-white);
}

.page-contact .partner-card p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 240, 232, 0.76);
}

.page-contact .partner-steps {
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 10px;
}

.page-contact .partner-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 30px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(243, 240, 232, 0.72);
}

.page-contact .partner-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--flare-yellow);
}

/* ---------- 备案与区域 ---------- */
.page-contact .contact-legal {
  padding: clamp(36px, 7vw, 76px) 0 clamp(56px, 9vw, 104px);
  border-top: var(--contact-line);
  background: linear-gradient(180deg, var(--pitch-black) 0%, #0b0b0f 100%);
}

.page-contact .legal-list {
  margin: 24px 0 0;
  display: grid;
  gap: 1px;
  background: var(--contact-soft);
  border: var(--contact-line);
}

.page-contact .legal-list > div {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--pitch-black);
}

.page-contact .legal-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ash-gray);
}

.page-contact .legal-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--bone-white);
  overflow-wrap: anywhere;
}

.page-contact .contact-legal__note {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash-gray);
}

.page-contact .contact-legal__links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

/* ---------- 返回顶部 ---------- */
.page-contact .contact-top {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 20;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  padding: 0;
  background: var(--carbon);
  color: var(--signal-cyan);
  border: var(--contact-line);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-contact .contact-top:hover,
.page-contact .contact-top:focus-visible {
  border-color: var(--signal-cyan);
  background: var(--deep-wine);
  color: var(--flare-yellow);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-action,
  .page-contact .channel,
  .page-contact .topic,
  .page-contact .contact-top {
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero__actions {
    grid-template-columns: 1.4fr 1fr;
    gap: 16px;
  }

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

  .page-contact .channel {
    padding: 28px 24px 30px;
  }

  .page-contact .topics {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 32px;
  }

  .page-contact .topic {
    border-bottom: none;
    border-top: 1px solid rgba(8, 8, 10, 0.2);
    border-left: 3px solid transparent;
    padding: 24px 0 8px 14px;
    margin-left: -14px;
  }

  .page-contact .topic:hover {
    border-top-color: rgba(8, 8, 10, 0.24);
  }

  .page-contact .legal-list > div {
    grid-template-columns: 132px 1fr;
    align-items: baseline;
    gap: 18px;
    padding: 16px 20px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1020px) {
  .page-contact .contact-hours__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 48px;
  }

  .page-contact .partner-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .contact-legal__links {
    gap: 12px 32px;
  }

  .page-contact .contact-top {
    right: 26px;
    bottom: 26px;
    width: 46px;
    height: 46px;
  }
}
<<<END>>>