/* ===== 找到我们 · 页面专属样式（page-contact） ===== */

.page-contact {
  --contact-rail-w: 132px;
  --contact-card-bg: rgba(244, 239, 230, .05);
  background: var(--paper);
  color: var(--ink);
}

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

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(120% 95% at 88% 4%, rgba(217, 154, 61, .20), transparent 58%),
    linear-gradient(162deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--paper);
  padding: clamp(96px, 14vw, 158px) 0 clamp(46px, 7vw, 84px);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -16%;
  top: -22%;
  width: min(600px, 92vw);
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(244, 239, 230, .08);
  background: linear-gradient(135deg, rgba(217, 154, 61, .16), rgba(217, 154, 61, 0) 62%);
  transform: rotate(22deg);
  pointer-events: none;
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .contact-hero .breadcrumb__link,
.page-contact .contact-hero .breadcrumb__current {
  color: rgba(244, 239, 230, .62);
}

.page-contact .contact-hero .breadcrumb__link:hover {
  color: var(--amber-soft);
}

.page-contact .contact-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--amber);
  margin: 0;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.005em;
  font-weight: 700;
  margin: .5rem 0 0;
  color: var(--paper);
  max-width: 14em;
}

.page-contact .contact-hero__intro {
  margin: 1.25rem 0 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: rgba(244, 239, 230, .84);
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.2vw, 38px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  align-self: end;
}

.page-contact .contact-hero__figure .figure__frame {
  border: 1px solid var(--line-paper);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero .figure__caption {
  color: rgba(244, 239, 230, .6);
}

/* ---------- 可复制的字段 ---------- */

.page-contact .copy-field {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-mono);
  text-align: left;
  cursor: pointer;
  transition: border-color .25s var(--ease), background-color .25s var(--ease), transform .25s var(--ease);
}

.page-contact .copy-field__value {
  font-size: 14px;
  letter-spacing: .04em;
  line-height: 1.3;
  word-break: break-all;
}

.page-contact .copy-field__hint {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-contact .contact-hero .copy-field {
  border-color: var(--line-paper);
  color: var(--paper);
}

.page-contact .contact-hero .copy-field__hint {
  color: rgba(244, 239, 230, .55);
}

.page-contact .copy-field:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-contact .contact-hero .copy-field:hover {
  background: rgba(217, 154, 61, .14);
}

.page-contact .copy-field.is-copied {
  border-color: var(--teal);
}

/* ---------- 左窄右宽骨架 ---------- */

.page-contact .rail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 38px);
}

.page-contact .rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 10px;
  border-top: 2px solid var(--ink);
}

.page-contact .num-label {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--ink);
}

.page-contact .rail__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-contact .rail-body h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
  line-height: 1.3;
  margin: 0 0 clamp(14px, 2vw, 20px);
  color: var(--ink);
}

.page-contact .rail-body > p {
  max-width: 36em;
  line-height: 1.85;
  color: rgba(15, 20, 23, .78);
}

/* ---------- 01 联系渠道 ---------- */

.page-contact .contact-channels {
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-contact .contact-channels__lede {
  margin: 0;
  font-size: 1rem;
}

.page-contact .channel-list {
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-contact .channel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 22px 0 24px;
  border-bottom: 1px solid var(--line);
  position: relative;
  transition: background-color .3s var(--ease);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 20px;
  bottom: 20px;
  width: 3px;
  background: var(--amber);
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.page-contact .channel:hover::before {
  opacity: 1;
}

.page-contact .channel__tag {
  align-self: start;
  justify-self: start;
}

.page-contact .channel__title {
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-contact .channel__desc {
  margin: 0 0 14px;
  line-height: 1.8;
  font-size: .94rem;
  color: rgba(15, 20, 23, .74);
  max-width: 34em;
}

.page-contact .channel__address {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 14px;
  line-height: 1.75;
  letter-spacing: .02em;
  color: var(--navy);
  margin: 0 0 14px;
}

.page-contact .contact-channels__figure {
  margin: clamp(30px, 4.5vw, 48px) 0 0;
}

.page-contact .contact-channels__figure .figure__frame {
  border: 1px solid var(--line);
}

/* ---------- 02 写邮件时请注明 ---------- */

.page-contact .contact-write {
  padding: clamp(56px, 9vw, 100px) 0;
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-write__lede {
  margin: 0;
  font-size: 1rem;
}

.page-contact .note-list {
  list-style: none;
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .note-list__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: rgba(244, 239, 230, .66);
  border-left: 2px solid var(--teal);
}

.page-contact .note-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--teal);
}

.page-contact .note-list__text {
  margin: 0;
  font-size: .96rem;
  line-height: 1.8;
  color: rgba(15, 20, 23, .82);
}

.page-contact .note-list__text strong {
  color: var(--ink);
  font-weight: 600;
}

.page-contact .mail-template {
  margin-top: clamp(24px, 3.4vw, 36px);
  border: 1px solid var(--line-strong);
  background: var(--paper);
  box-shadow: var(--shadow-panel);
}

.page-contact .mail-template__summary {
  cursor: pointer;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--navy);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .mail-template__summary::-webkit-details-marker {
  display: none;
}

.page-contact .mail-template__summary::before {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--amber);
}

.page-contact .mail-template[open] .mail-template__summary::before {
  content: "−";
}

.page-contact .mail-template__body {
  padding: 4px 20px 22px;
  border-top: 1px solid var(--line);
}

.page-contact .mail-template__line {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(15, 20, 23, .82);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  word-break: break-word;
}

.page-contact .mail-template__key {
  color: var(--slate);
  letter-spacing: .1em;
}

/* ---------- 03 常见协助范围 ---------- */

.page-contact .contact-help {
  padding: clamp(58px, 9vw, 108px) 0;
  background: linear-gradient(170deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--paper);
}

.page-contact .contact-help__head {
  max-width: 40em;
}

.page-contact .contact-help .num-label {
  color: var(--amber);
}

.page-contact .contact-help__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  line-height: 1.3;
  margin: 10px 0 14px;
  color: var(--paper);
}

.page-contact .contact-help__lede {
  margin: 0;
  line-height: 1.85;
  color: rgba(244, 239, 230, .78);
}

.page-contact .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(28px, 4.4vw, 46px);
  align-items: start;
}

.page-contact .help-card {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--contact-card-bg);
  border: 1px solid var(--line-paper);
  transition: background-color .3s var(--ease), transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .help-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 16px solid rgba(217, 154, 61, .55);
  border-left: 16px solid transparent;
}

.page-contact .help-card:hover {
  background: rgba(244, 239, 230, .09);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-contact .help-card__title {
  font-family: var(--font-display);
  font-size: 1.16rem;
  line-height: 1.5;
  margin: 14px 0 10px;
  color: var(--paper);
}

.page-contact .help-card__text {
  margin: 0 0 16px;
  font-size: .94rem;
  line-height: 1.85;
  color: rgba(244, 239, 230, .78);
}

.page-contact .help-card__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 201, 135, .45);
  padding-bottom: 2px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .help-card__link:hover {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 04 到访与站点信息 ---------- */

.page-contact .contact-visit {
  padding: clamp(56px, 9vw, 104px) 0 clamp(64px, 10vw, 120px);
}

.page-contact .contact-visit__lede {
  margin: 0;
  font-size: 1rem;
}

.page-contact .visit-card {
  margin-top: clamp(24px, 3.4vw, 34px);
  padding: 24px 22px 26px;
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  position: relative;
}

.page-contact .visit-card::after {
  content: "";
  position: absolute;
  bottom: -9px;
  right: 18px;
  width: 44px;
  height: 18px;
  background: rgba(217, 154, 61, .45);
  transform: rotate(-3deg);
}

.page-contact .visit-card__address {
  display: block;
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 14px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--navy);
}

.page-contact .visit-card__caption {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(15, 20, 23, .68);
}

.page-contact .visit-meta {
  margin: clamp(26px, 3.6vw, 38px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-contact .visit-meta__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .visit-meta__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
  min-width: 90px;
}

.page-contact .visit-meta__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .03em;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .contact-visit__tail {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  font-size: .96rem;
  line-height: 1.85;
  color: rgba(15, 20, 23, .78);
  max-width: 36em;
}

.page-contact .contact-visit__tail a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(181, 83, 60, .5);
}

.page-contact .contact-visit__tail a:hover {
  border-color: var(--red);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .channel {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 22px;
    padding: 24px 0 26px;
  }

  .page-contact .mail-template__line {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 14px;
  }

  .page-contact .visit-meta__item {
    flex-wrap: nowrap;
  }
}

@media (min-width: 820px) {
  .page-contact .rail-grid {
    grid-template-columns: var(--contact-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-contact .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-contact .help-card:nth-child(even) {
    margin-top: 30px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: clamp(40px, 6vw, 84px);
  }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero__grid {
    padding-bottom: 10px;
  }
}

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

  .page-contact .copy-field:hover,
  .page-contact .help-card:hover {
    transform: none;
  }
}
</main>