.page-contact {
  --pc-surface: #FFFFFF;
  --pc-ink-soft: #38443D;
  --pc-rule: rgba(23, 32, 28, .12);
  background: var(--yl-cream);
  color: var(--yl-ink);
  font-family: var(--yl-font-body);
  overflow-x: clip;
}

.page-contact .container {
  width: 100%;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(104px, 14vw, 168px) 0 clamp(44px, 6vw, 76px);
  background:
    radial-gradient(60% 70% at 88% 6%, rgba(232, 163, 61, .18), transparent 62%),
    radial-gradient(52% 60% at 4% 94%, rgba(255, 107, 90, .10), transparent 60%),
    var(--yl-cream);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(36px, 5vw, 56px);
  align-items: center;
  margin-top: clamp(22px, 3.5vw, 38px);
}

.page-contact .contact-hero h1 {
  font-family: var(--yl-font-display);
  font-weight: 900;
  font-size: clamp(2.3rem, 6.4vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--yl-green-deep);
  margin: 16px 0 0;
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

.page-contact .contact-hero__actions {
  margin-top: clamp(26px, 4vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .eyebrow {
  color: var(--yl-wine);
}

/* 首屏装饰：路径环 */
.page-contact .contact-orbit {
  position: relative;
  width: min(100%, 420px);
  aspect-ratio: 1 / 1;
  margin-inline: auto;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 30% 24%, rgba(232, 163, 61, .34), transparent 56%),
    radial-gradient(circle at 74% 80%, rgba(255, 107, 90, .26), transparent 52%),
    var(--yl-green);
  box-shadow: var(--yl-shadow-lift);
  isolation: isolate;
}

.page-contact .contact-orbit::before,
.page-contact .contact-orbit::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  border: 1px solid rgba(250, 246, 238, .22);
  pointer-events: none;
}

.page-contact .contact-orbit::after {
  inset: 27%;
  border-color: rgba(232, 163, 61, .5);
}

.page-contact .contact-orbit__chip {
  position: relative;
  z-index: 2;
  padding: 10px 20px;
  border-radius: var(--yl-radius-pill);
  background: rgba(250, 246, 238, .95);
  color: var(--yl-green-deep);
  font-family: var(--yl-font-mono);
  font-size: .8125rem;
  line-height: 1.5;
  letter-spacing: .05em;
  text-align: center;
  box-shadow: 0 14px 28px -20px rgba(0, 0, 0, .7);
}

.page-contact .contact-orbit__dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--yl-coral);
  box-shadow: 0 0 0 6px rgba(255, 107, 90, .16);
}

.page-contact .contact-orbit__dot--a {
  top: 11%;
  left: 50%;
  transform: translateX(-50%);
}

.page-contact .contact-orbit__dot--b {
  bottom: 20%;
  left: 13%;
  background: var(--yl-gold);
  box-shadow: 0 0 0 6px rgba(232, 163, 61, .2);
}

.page-contact .contact-orbit__dot--c {
  top: 42%;
  right: 7%;
  background: var(--yl-amber);
  box-shadow: 0 0 0 6px rgba(246, 217, 168, .18);
}

/* ---------- 联络方式主卡 ---------- */
.page-contact .contact-channels {
  padding: clamp(48px, 7vw, 92px) 0;
  background: var(--yl-sand);
}

.page-contact .channels-panel {
  display: grid;
  gap: clamp(30px, 4vw, 48px);
  padding: clamp(24px, 4vw, 52px);
  border-radius: var(--yl-radius-lg);
  background: var(--pc-surface);
  border: 1px solid var(--pc-rule);
  box-shadow: var(--yl-shadow-soft);
}

.page-contact .channels-title {
  margin: 0;
  font-family: var(--yl-font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--yl-green-deep);
}

.page-contact .channels-lede {
  margin: 14px 0 0;
  max-width: 32em;
  font-size: 1rem;
  line-height: 1.74;
  color: var(--pc-ink-soft);
}

.page-contact .channel {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .channels-main .channel:first-of-type {
  border-top: 0;
  padding-top: clamp(24px, 3.5vw, 32px);
}

.page-contact .channel__label {
  font-family: var(--yl-font-mono);
  font-size: .75rem;
  letter-spacing: .16em;
  color: var(--yl-wine);
}

.page-contact .channel__value {
  font-family: var(--yl-font-mono);
  font-size: clamp(1.1rem, 3.4vw, 1.55rem);
  font-weight: 600;
  line-height: 1.38;
  letter-spacing: -.005em;
  color: var(--yl-green-deep);
  word-break: break-word;
}

.page-contact .channel__value--addr {
  font-family: var(--yl-font-body);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.72;
  letter-spacing: 0;
}

.page-contact .channel__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .channel .copy-btn,
.page-contact .mail-template .copy-btn {
  font-family: var(--yl-font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  padding: 7px 16px;
  border-radius: var(--yl-radius-pill);
  border: 1px solid rgba(15, 59, 46, .26);
  background: transparent;
  color: var(--yl-green);
  cursor: pointer;
  transition: background .22s var(--yl-ease), color .22s var(--yl-ease), border-color .22s var(--yl-ease);
}

.page-contact .channel .copy-btn:hover,
.page-contact .channel .copy-btn:focus-visible,
.page-contact .mail-template .copy-btn:hover,
.page-contact .mail-template .copy-btn:focus-visible {
  background: var(--yl-green);
  border-color: var(--yl-green);
  color: var(--yl-cream);
}

.page-contact .channel .copy-btn[data-copied="true"],
.page-contact .mail-template .copy-btn[data-copied="true"] {
  background: var(--yl-gold);
  border-color: var(--yl-gold);
  color: var(--yl-green-deep);
}

.page-contact .channel__hint {
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--yl-sage);
}

.page-contact .channels-aside .media-frame {
  border-radius: var(--yl-radius-md);
  overflow: hidden;
}

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

/* ---------- 邮件指引 ---------- */
.page-contact .contact-mail {
  padding: clamp(52px, 8vw, 100px) 0;
  background: var(--yl-cream);
}

.page-contact .contact-mail__grid {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-contact .contact-mail h2,
.page-contact .contact-hours h2 {
  margin: 12px 0 0;
  font-family: var(--yl-font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--yl-green-deep);
}

.page-contact .contact-mail__lede {
  margin: 18px 0 0;
  max-width: 33em;
  font-size: 1rem;
  line-height: 1.76;
  color: var(--pc-ink-soft);
}

.page-contact .mail-points {
  list-style: none;
  counter-reset: mailpoint;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .mail-points li {
  counter-increment: mailpoint;
  position: relative;
  padding-left: 56px;
  font-size: .9688rem;
  line-height: 1.72;
  color: var(--pc-ink-soft);
}

.page-contact .mail-points li::before {
  content: "0" counter(mailpoint);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 3px 9px;
  border-radius: var(--yl-radius-pill);
  background: rgba(232, 163, 61, .16);
  font-family: var(--yl-font-mono);
  font-size: .78rem;
  font-weight: 600;
  color: #8A5B12;
}

.page-contact .mail-points strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--yl-green-deep);
}

.page-contact .mail-template {
  margin-top: clamp(26px, 4vw, 36px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 20px;
  border-radius: var(--yl-radius-md);
  background: var(--yl-sand);
  border: 1px dashed rgba(232, 163, 61, .7);
}

.page-contact .mail-template__label {
  font-family: var(--yl-font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--yl-wine);
}

.page-contact .mail-template__code {
  font-family: var(--yl-font-mono);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--yl-green-deep);
}

.page-contact .contact-mail__figure {
  border-radius: var(--yl-radius-lg);
  overflow: hidden;
}

/* ---------- 四类来意 ---------- */
.page-contact .contact-topics {
  padding: clamp(56px, 8vw, 104px) 0;
  background: var(--yl-green-deep);
  color: var(--yl-cream);
}

.page-contact .contact-topics .eyebrow {
  color: var(--yl-gold-soft);
}

.page-contact .contact-topics h2 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--yl-font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--yl-cream);
}

.page-contact .topic-grid {
  margin-top: clamp(32px, 5vw, 52px);
  display: grid;
  gap: 16px;
}

.page-contact .topic-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 26px;
  border-radius: var(--yl-radius-md);
  background: rgba(250, 246, 238, .055);
  border: 1px solid var(--yl-line-soft);
  transition: transform .25s var(--yl-ease), background .25s var(--yl-ease), border-color .25s var(--yl-ease);
}

.page-contact .topic-card:hover {
  transform: translateY(-4px);
  background: rgba(250, 246, 238, .09);
  border-color: rgba(232, 163, 61, .45);
}

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

.page-contact .topic-card h3 {
  margin: 0;
  font-family: var(--yl-font-body);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1.42;
  color: var(--yl-cream);
}

.page-contact .topic-card p {
  margin: 0;
  font-size: .9063rem;
  line-height: 1.7;
  color: rgba(250, 246, 238, .76);
}

/* ---------- 回复时段 ---------- */
.page-contact .contact-hours {
  padding: clamp(52px, 8vw, 96px) 0;
  background: var(--yl-cream);
}

.page-contact .contact-hours__lede {
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.76;
  color: var(--pc-ink-soft);
}

.page-contact .hours-fold {
  margin-top: 14px;
  border-radius: var(--yl-radius-md);
  background: var(--yl-sand);
  border: 1px solid var(--pc-rule);
  overflow: hidden;
}

.page-contact .hours-fold:first-of-type {
  margin-top: clamp(26px, 4vw, 36px);
}

.page-contact .hours-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--yl-green-deep);
}

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

.page-contact .hours-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--yl-font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--yl-gold);
}

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

.page-contact .hours-fold summary:hover {
  background: rgba(232, 163, 61, .12);
}

.page-contact .hours-fold p {
  margin: 0;
  padding: 0 22px 20px;
  font-size: .9375rem;
  line-height: 1.74;
  color: var(--pc-ink-soft);
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-self {
  padding: clamp(48px, 7vw, 88px) 0 clamp(64px, 9vw, 112px);
  background: var(--yl-sand);
}

.page-contact .self-grid {
  display: grid;
  gap: 18px;
}

.page-contact .self-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--yl-radius-lg);
  background: var(--pc-surface);
  border: 1px solid var(--pc-rule);
  text-decoration: none;
  color: inherit;
  transition: transform .25s var(--yl-ease), box-shadow .25s var(--yl-ease), border-color .25s var(--yl-ease);
}

.page-contact .self-card:hover,
.page-contact .self-card:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(232, 163, 61, .6);
  box-shadow: var(--yl-shadow-lift);
}

.page-contact .self-card__num {
  font-family: var(--yl-font-mono);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--yl-coral);
}

.page-contact .self-card h3 {
  margin: 0;
  font-family: var(--yl-font-display);
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1.3;
  color: var(--yl-green-deep);
}

.page-contact .self-card p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--pc-ink-soft);
}

.page-contact .self-card__go {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--pc-rule);
  font-size: .875rem;
  font-weight: 700;
  color: var(--yl-green);
}

.page-contact .contact-self__foot {
  margin: clamp(26px, 4vw, 38px) 0 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--pc-ink-soft);
}

.page-contact .mono {
  font-family: var(--yl-font-mono);
  font-weight: 600;
  color: var(--yl-green-deep);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .self-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

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

  .page-contact .contact-mail__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .86fr);
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(40px, 6vw, 88px);
  }

  .page-contact .contact-hero__copy {
    padding-right: 8px;
  }
}

@media (min-width: 1080px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .topic-card,
  .page-contact .self-card,
  .page-contact .channel .copy-btn,
  .page-contact .mail-template .copy-btn {
    transition: none;
  }

  .page-contact .topic-card:hover,
  .page-contact .self-card:hover,
  .page-contact .self-card:focus-visible {
    transform: none;
  }
}