.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-line: rgba(143, 163, 191, .22);
  padding-bottom: 0;
  color: var(--paper-100);
  background: var(--ink-950);
}

.page-contact .shell {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-contact .breadcrumb {
  padding-top: clamp(20px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-400);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--cyan-500);
}

.page-contact .breadcrumb a {
  color: var(--slate-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(24px, 4vw, 44px) 0 clamp(28px, 5vw, 56px);
}

.page-contact .contact-hero__copy .eyebrow {
  margin: 0 0 14px;
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 60px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--paper-100);
  max-width: 16ch;
}

.page-contact .contact-hero__lede {
  margin: 0 0 24px;
  max-width: 54ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.78;
  color: var(--slate-400);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--pc-line);
}

.page-contact .contact-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-bottom: 6px;
}

.page-contact .contact-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.8vw, 16px);
  color: var(--cyan-400);
  line-height: 1.4;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--ink-800);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  filter: saturate(.85) contrast(1.05);
}

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding: clamp(36px, 6vw, 72px) 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .section--tight {
  padding-top: clamp(28px, 4vw, 44px);
}

.page-contact .section__head {
  margin-bottom: clamp(22px, 3vw, 34px);
  max-width: 62ch;
}

.page-contact .section__head .eyebrow {
  margin: 0 0 10px;
}

.page-contact .section__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.2vw, 36px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper-100);
}

.page-contact .section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-400);
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  background: var(--ink-800);
  border: 1px solid var(--pc-line);
  transition: border-color .24s var(--ease), transform .24s var(--ease), background .24s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 3px;
  background: var(--cyan-500);
}

.page-contact .channel-card--mail {
  border-color: var(--line-strong);
  background: linear-gradient(160deg, rgba(23, 224, 200, .09), rgba(14, 26, 43, .95) 46%);
}

.page-contact .channel-card--mail::before {
  background: var(--orange-500);
  width: 64px;
  height: 4px;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--cyan-400);
  transform: translateY(-3px);
}

.page-contact .channel-card__kind {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-contact .channel-card--mail .channel-card__kind {
  color: var(--orange-500);
}

.page-contact .channel-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 700;
  color: var(--paper-100);
}

.page-contact .channel-card__value {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-contact .channel-card__value .contact-list__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .channel-card__value .contact-list__val {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.2vw, 19px);
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--cyan-400);
  word-break: break-word;
}

.page-contact .channel-card--mail .channel-card__value .contact-list__val {
  font-size: clamp(16px, 2.4vw, 21px);
  color: var(--paper-100);
}

.page-contact .channel-card .copy-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  padding: 3px 9px;
  color: var(--slate-400);
  background: transparent;
  border: 1px solid var(--pc-line);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .channel-card .copy-btn:hover,
.page-contact .channel-card .copy-btn:focus-visible {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-contact .channel-card__hours {
  margin: 16px 0 0;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--amber-400);
  background: rgba(255, 194, 77, .08);
  border-left: 3px solid var(--amber-400);
}

/* ---------- 提交清单 ---------- */
.page-contact .checklist-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

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

.page-contact .checklist li {
  display: block;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .checklist input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.page-contact .checklist label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 4px;
  cursor: pointer;
  transition: opacity .2s var(--ease);
}

.page-contact .checklist label::before {
  content: "";
  display: block;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--line-strong);
  background: transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .checklist input:checked + label::before {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  box-shadow: inset 0 0 0 3px var(--ink-950);
}

.page-contact .checklist input:focus-visible + label::before {
  outline: 2px solid var(--orange-500);
  outline-offset: 2px;
}

.page-contact .checklist__body {
  display: block;
  min-width: 0;
}

.page-contact .checklist__body strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--paper-100);
}

.page-contact .checklist__body span {
  display: block;
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-400);
}

.page-contact .checklist__flag {
  float: right;
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--orange-500);
}

.page-contact .checklist__flag::before {
  content: "待备";
}

.page-contact .checklist input:checked + label .checklist__flag::before {
  content: "已备";
  color: var(--cyan-400);
}

.page-contact .checklist input:checked + label .checklist__body strong {
  color: var(--cyan-400);
}

.page-contact .checklist-aside {
  padding: clamp(20px, 3vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--pc-line);
  border-top: 3px solid var(--orange-500);
}

.page-contact .checklist-aside__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-100);
}

.page-contact .checklist-aside p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-contact .checklist-aside__hint {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--amber-400);
  padding-left: 12px;
  border-left: 2px solid var(--amber-400);
}

.page-contact .checklist-aside .btn {
  display: inline-block;
  margin-top: 4px;
  text-decoration: none;
}

/* ---------- 回复节奏 ---------- */
.page-contact .reply-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}

.page-contact .reply-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--slate-400);
}

.page-contact .reply-copy p:first-child {
  color: var(--paper-100);
}

.page-contact .reply-media {
  margin: 0;
  border: 1px solid var(--pc-line);
  background: var(--moss-900);
}

.page-contact .reply-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ---------- 场景 ---------- */
.page-contact .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .scene {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .scene__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--cyan-500);
}

.page-contact .scene__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 700;
  color: var(--paper-100);
}

.page-contact .scene__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-contact .scene__pick {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--orange-500);
}

.page-contact .scene__body a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .scene__body a:hover,
.page-contact .scene__body a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 页尾斜切区块 ---------- */
.page-contact .contact-base {
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(48px, 7vw, 84px) 0 clamp(40px, 6vw, 64px);
  background-color: var(--moss-900);
  background-image:
    repeating-linear-gradient(90deg, rgba(23, 224, 200, .07) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(23, 224, 200, .05) 0 1px, transparent 1px 64px);
}

.page-contact .contact-base__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .contact-base__head .eyebrow {
  margin: 0 0 10px;
}

.page-contact .contact-base__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .contact-base__col p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 255, .78);
}

.page-contact .contact-base__meta {
  margin: 0 0 18px;
  display: grid;
  gap: 12px;
}

.page-contact .contact-base__meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--cyan-400);
  margin-bottom: 3px;
}

.page-contact .contact-base__meta dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper-100);
  word-break: break-word;
}

.page-contact .contact-base__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0;
}

.page-contact .contact-base__links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-contact .contact-base__links a:hover,
.page-contact .contact-base__links a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-contact .checklist-wrap {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

  .page-contact .scene {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 20px;
    padding: 26px 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
  }

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

  .page-contact .channel-card--mail {
    margin-top: 0;
    padding-bottom: clamp(28px, 4vw, 44px);
  }

  .page-contact .channel-card--phone {
    margin-top: 30px;
  }

  .page-contact .channel-card--addr {
    margin-top: 60px;
  }

  .page-contact .contact-base {
    clip-path: polygon(0 44px, 100% 0, 100% 100%, 0 100%);
    padding-top: clamp(76px, 8vw, 110px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .breadcrumb a,
  .page-contact .checklist label,
  .page-contact .contact-base__links a {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}
<<<END>>>