.page-contact {
  --cp-hairline: rgba(26, 26, 24, .12);
  --cp-glow: rgba(14, 59, 46, .12);
  background: var(--paper);
  color: var(--ink);
  padding-bottom: clamp(28px, 5vw, 64px);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 56px) clamp(18px, 3vw, 32px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -140px;
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  border-radius: 50%;
  background: radial-gradient(circle at center, var(--cp-glow), transparent 68%);
  pointer-events: none;
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 3.5vw, 44px);
}

.page-contact h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--felt-deep);
}

.page-contact .hero-copy .lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .hero-aside {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius-md);
  padding: clamp(16px, 2.4vw, 26px);
  box-shadow: 0 12px 28px rgba(8, 37, 29, .07);
}

.page-contact .hero-aside__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--moss);
}

.page-contact .hero-aside__time {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 38px);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--felt);
  line-height: 1.05;
}

.page-contact .hero-aside__time span {
  color: var(--gold);
  margin: 0 2px;
}

.page-contact .hero-aside__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

.page-contact .hero-aside__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--cp-hairline);
  display: grid;
  gap: 10px;
}

.page-contact .hero-aside__list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-contact .hero-aside__list span {
  font-size: 11.5px;
  letter-spacing: .09em;
  color: var(--moss);
}

.page-contact .hero-aside__list strong {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--felt);
  overflow-wrap: anywhere;
}

.page-contact .toc {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .toc__link {
  display: inline-block;
  padding: 7px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--felt);
  font-size: 13px;
  letter-spacing: .02em;
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .toc__link:hover,
.page-contact .toc__link:focus-visible {
  background: var(--felt);
  border-color: var(--felt);
  color: var(--paper);
}

.page-contact .toc__link[aria-current="true"] {
  background: var(--felt);
  border-color: var(--felt);
  color: var(--paper);
}

/* ---------- 章节骨架 ---------- */
.page-contact .cp-section {
  padding-block: clamp(34px, 6vw, 82px);
}

.page-contact .chapter {
  display: grid;
  gap: 10px;
}

.page-contact .chapter__no {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--moss);
}

.page-contact .section-heading {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 4vw, 42px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--felt-deep);
}

.page-contact .chapter__body > .measure {
  margin: 14px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 01 联系渠道 ---------- */
.page-contact .channel-band {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-xl);
  padding: clamp(20px, 4vw, 52px);
  color: var(--paper);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(31, 111, 143, .22), transparent 58%),
    radial-gradient(80% 70% at 100% 100%, rgba(176, 46, 32, .18), transparent 62%),
    linear-gradient(155deg, var(--felt), var(--felt-deep) 84%);
}

.page-contact .channel-band .eyebrow {
  color: var(--gold);
}

.page-contact .channel-band .chapter__no {
  color: rgba(201, 162, 39, .82);
}

.page-contact .channel-band .section-heading {
  color: var(--paper);
}

.page-contact .channel-band .measure {
  color: rgba(245, 240, 228, .84);
}

.page-contact .channel-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--card);
  color: var(--ink);
  border: 1px solid rgba(201, 162, 39, .3);
  border-radius: var(--radius-lg);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(8, 37, 29, .3);
}

.page-contact .channel-card .tag {
  align-self: flex-start;
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.3;
  color: var(--felt-deep);
}

.page-contact .channel-card__mail {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 20px);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--felt);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__phone {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 27px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cinnabar);
}

.page-contact .channel-card__text {
  margin: 4px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--moss);
}

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

.page-contact .figure__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--felt), var(--felt-deep));
}

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

.page-contact .figure__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--moss);
}

.page-contact .channel-figure {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .channel-figure .figure__caption {
  color: rgba(245, 240, 228, .7);
}

/* ---------- 02 会员中心 ---------- */
.page-contact .member-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.page-contact .board__head,
.page-contact .board__foot {
  grid-column: 1 / -1;
}

.page-contact .board__head {
  margin: 0;
  padding: 14px 20px;
  background: var(--felt);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
}

.page-contact .board__cell {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--card);
}

.page-contact .board__cell .tag {
  align-self: flex-start;
}

.page-contact .board__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--felt-deep);
}

.page-contact .board__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .board__foot {
  margin: 0;
  padding: 14px 20px;
  background: var(--card);
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 03 反馈准备 ---------- */
.page-contact .prepare-layout {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 30px);
}

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

.page-contact .step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--cp-hairline);
}

.page-contact .step:last-child {
  border-bottom: 1px solid var(--cp-hairline);
}

.page-contact .step__no {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--cinnabar);
  padding-top: 2px;
}

.page-contact .step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--felt-deep);
}

.page-contact .step__text {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--moss);
}

.page-contact .template-wrap {
  align-self: start;
}

.page-contact .template-wrap__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--moss);
}

.page-contact .feedback-template {
  margin: 0;
  padding: clamp(18px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--gold);
  background:
    radial-gradient(100% 120% at 100% 0%, rgba(31, 111, 143, .28), transparent 62%),
    linear-gradient(150deg, var(--felt-deep), var(--felt));
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.page-contact .template-wrap__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 04 联系场景 ---------- */
.page-contact .scenarios {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 0 clamp(20px, 3vw, 44px);
}

.page-contact .scenario {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--cp-hairline);
}

.page-contact .scenario__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  padding-top: 3px;
}

.page-contact .scenario__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
  color: var(--felt-deep);
}

.page-contact .scenario__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .scenario__route {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
  overflow-wrap: anywhere;
}

.page-contact .scenario__link {
  color: var(--cyan);
  text-underline-offset: 3px;
}

.page-contact .scenario__link:hover {
  color: var(--violet);
}

/* ---------- 05 地址与备案 ---------- */
.page-contact .info-table {
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-contact .info-row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--cp-hairline);
}

.page-contact .info-row dt {
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--moss);
}

.page-contact .info-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--felt-deep);
  overflow-wrap: anywhere;
}

.page-contact .closing-band {
  margin-top: clamp(24px, 4vw, 44px);
  padding: clamp(22px, 3.4vw, 36px);
  border-radius: var(--radius-lg);
  border-top: 1px solid var(--line-gold);
  background:
    radial-gradient(90% 140% at 0% 0%, rgba(201, 162, 39, .22), transparent 58%),
    linear-gradient(150deg, var(--felt), var(--felt-deep) 88%);
  color: var(--paper);
  display: grid;
  gap: 18px;
}

.page-contact .closing-band__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(245, 240, 228, .9);
}

.page-contact .closing-band__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-contact .closing-band .link-quiet {
  color: rgba(245, 240, 228, .82);
  font-size: 13.5px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .closing-band .link-quiet:hover {
  color: var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .board {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .info-row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    gap: 18px;
  }

  .page-contact .prepare-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .scenarios {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    align-items: end;
  }

  .page-contact .chapter {
    grid-template-columns: 86px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 40px);
    align-items: start;
  }

  .page-contact .chapter__no {
    position: sticky;
    top: 128px;
  }
}

@media (min-width: 960px) {
  .page-contact .member-layout {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }
}

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

  .page-contact .channel-card:hover {
    transform: none;
  }
}