.page-contact {
  --contact-radius: 4px 22px 4px 4px;
  --contact-line: 1px solid var(--ink-600);
  background: var(--ink-800);
  color: var(--text-dark-1);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  padding: clamp(.9rem, 3vw, 1.5rem) 0 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--text-dark-2);
}
.page-contact .crumbs a {
  color: var(--text-dark-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .crumbs a:hover,
.page-contact .crumbs a:focus-visible {
  color: var(--gold-200);
  border-bottom-color: var(--gold-500);
}
.page-contact .crumbs [aria-current="page"] { color: var(--gold-500); }

/* 通用小节文字 */
.page-contact .sec-kicker {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--gold-500);
}
.page-contact h2 {
  margin: 0 0 .8rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.3;
  letter-spacing: .01em;
}
.page-contact .sec-lead {
  max-width: 54ch;
  margin: 0 0 1rem;
  color: var(--text-dark-2);
  line-height: 1.85;
  font-size: 1rem;
}
.page-contact p { line-height: 1.85; }
.page-contact a { color: var(--gold-200); }
.page-contact a:hover { color: var(--gold-500); }

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(1.6rem, 5vw, 3rem) 0 clamp(2.4rem, 7vw, 4.5rem);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(217, 169, 78, .17), transparent 58%),
    radial-gradient(80% 70% at 6% 100%, rgba(200, 64, 47, .14), transparent 62%),
    var(--ink-900);
  border-bottom: 1px solid var(--ink-600);
  overflow: hidden;
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}
.page-contact .contact-hero__eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .24em;
  color: var(--gold-500);
}
.page-contact .contact-hero h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 7vw, 4.2rem);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--text-dark-1);
}
.page-contact .contact-hero__lead {
  max-width: 46ch;
  margin: 0 0 1rem;
  color: var(--text-dark-1);
  font-size: clamp(1rem, 2.2vw, 1.08rem);
}
.page-contact .contact-hero__note {
  max-width: 46ch;
  margin: 0;
  color: var(--text-dark-2);
  font-size: .94rem;
}

.page-contact .quick {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--ink-700);
  border: var(--contact-line);
  border-top: 2px solid var(--gold-500);
  border-radius: var(--contact-radius);
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, .95);
}
.page-contact .quick__title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--gold-500);
}
.page-contact .quick__list {
  margin: 0 0 .9rem;
  padding: 0;
  list-style: none;
}
.page-contact .quick__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: .3rem .9rem;
  padding: .65rem 0;
  border-bottom: 1px dashed var(--ink-600);
}
.page-contact .quick__row:last-child { border-bottom: 0; }
.page-contact .quick__k {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--text-dark-2);
}
.page-contact .quick__v {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--gold-200);
  overflow-wrap: anywhere;
  text-align: right;
}
.page-contact .quick__v--mail { font-size: .88rem; }
.page-contact .quick__hint {
  margin: 0;
  color: var(--text-dark-2);
  font-size: .86rem;
  line-height: 1.75;
}

/* 三条通道 */
.page-contact .channels {
  padding: clamp(2.4rem, 7vw, 4.5rem) 0 clamp(2.4rem, 6vw, 3.5rem);
}
.page-contact .channels__head {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.4rem);
  margin-bottom: clamp(1.8rem, 5vw, 3rem);
}
.page-contact .channels__figure { margin: 0; }
.page-contact .channels__grid {
  display: grid;
  gap: 1.1rem;
}

.page-contact .channel {
  position: relative;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  background: var(--ink-700);
  border: var(--contact-line);
  border-left: 3px solid var(--gold-500);
  border-radius: var(--contact-radius);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .channel--cinnabar { border-left-color: var(--cinnabar-500); }
.page-contact .channel--jade { border-left-color: var(--jade-400); }
.page-contact .channel:hover { transform: translateY(-3px); }
.page-contact .channel--gold:hover { border-color: var(--gold-500); }
.page-contact .channel--cinnabar:hover { border-color: var(--cinnabar-500); }
.page-contact .channel--jade:hover { border-color: var(--jade-400); }
.page-contact .channel__num {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .16em;
  color: var(--gold-500);
}
.page-contact .channel--cinnabar .channel__num { color: var(--cinnabar-300); }
.page-contact .channel--jade .channel__num { color: var(--jade-400); }
.page-contact .channel__title {
  margin: 0 0 .6rem;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--text-dark-1);
}
.page-contact .channel__desc {
  margin: 0 0 .9rem;
  color: var(--text-dark-2);
  font-size: .94rem;
}
.page-contact .channel__fit {
  margin: 0;
  padding-top: .7rem;
  border-top: 1px solid var(--ink-600);
  font-size: .82rem;
  color: var(--text-dark-2);
}
.page-contact .channel__fit-k {
  display: inline-block;
  margin-right: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--text-dark-1);
}

/* 值守时间 */
.page-contact .hours {
  padding: clamp(2.4rem, 7vw, 4.5rem) 0;
  border-top: 1px solid var(--ink-600);
  background:
    linear-gradient(180deg, rgba(14, 44, 64, .85), rgba(8, 30, 46, .95));
}
.page-contact .hours__head { max-width: 60ch; }
.page-contact .hours__bar {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 1.6rem 0 .4rem;
}
.page-contact .hours__edge {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--text-dark-2);
}
.page-contact .hours__track {
  position: relative;
  flex: 1;
  height: 8px;
  background: var(--ink-600);
  border-radius: 99px;
  overflow: hidden;
}
.page-contact .hours__fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 16.6%;
  right: 16.6%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--gold-500), var(--cinnabar-300));
}
.page-contact .hours__bar-label {
  margin: 0 0 2rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--gold-200);
  text-align: center;
}
.page-contact .hours__grid {
  display: grid;
  gap: 1rem;
}
.page-contact .hours__item {
  padding: 1.1rem 1.2rem;
  background: var(--ink-700);
  border: var(--contact-line);
  border-radius: var(--contact-radius);
}
.page-contact .hours__item h3 {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--gold-200);
}
.page-contact .hours__item p {
  margin: 0;
  color: var(--text-dark-2);
  font-size: .93rem;
}

/* 反馈表单说明（纸色阅读区） */
.page-contact .sheet {
  padding: clamp(2.2rem, 6vw, 4rem) 0 clamp(2.4rem, 7vw, 4.4rem);
  background: var(--paper-100);
  color: var(--text-light-1);
}
.page-contact .sheet__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}
.page-contact .sheet h2 { color: var(--text-light-1); }
.page-contact .sheet .sec-kicker { color: var(--cinnabar-500); }
.page-contact .sheet__lead {
  max-width: 46ch;
  margin: 0 0 1rem;
  color: var(--text-light-2);
}
.page-contact .sheet__links {
  margin: 0;
  max-width: 46ch;
  font-size: .9rem;
  color: var(--text-light-2);
}
.page-contact .sheet__links a {
  color: var(--text-light-1);
  text-decoration: underline;
  text-decoration-color: var(--cinnabar-500);
  text-underline-offset: 3px;
}
.page-contact .sheet__links a:hover { color: var(--cinnabar-500); }

.page-contact .sheet__fields {
  padding: clamp(1rem, 3vw, 1.6rem);
  background: var(--paper-100);
  border: 1px solid var(--paper-300);
  border-top: 3px solid var(--ink-800);
  border-radius: 2px 2px 18px 2px;
}
.page-contact .field {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  gap: .2rem .6rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--paper-300);
}
.page-contact .field__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--text-light-2);
}
.page-contact .field__body { min-width: 0; }
.page-contact .field__label {
  margin: 0 0 .2rem;
  font-weight: 600;
  color: var(--text-light-1);
}
.page-contact .field__hint {
  margin: 0;
  font-size: .9rem;
  color: var(--text-light-2);
}
.page-contact .sheet__steps {
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .75rem;
}
.page-contact .step {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: .7rem;
  align-items: start;
  padding: .7rem .8rem;
  background: rgba(5, 19, 31, .05);
  border-left: 3px solid var(--cinnabar-500);
}
.page-contact .step__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--text-light-1);
  padding-top: .1rem;
}
.page-contact .step__text {
  font-size: .9rem;
  line-height: 1.75;
  color: var(--text-light-2);
}

/* 合作与媒体 */
.page-contact .partners {
  padding: clamp(2.4rem, 7vw, 4.5rem) 0;
}
.page-contact .partners__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
}
.page-contact .partners__list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .85rem;
}
.page-contact .partners__list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--text-dark-2);
  font-size: .95rem;
  line-height: 1.8;
}
.page-contact .partners__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: 7px;
  height: 7px;
  background: var(--gold-500);
  border-radius: 50%;
}
.page-contact .partners__list strong {
  color: var(--text-dark-1);
  font-weight: 600;
}
.page-contact .partners__aside {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  background: var(--ink-700);
  border: var(--contact-line);
  border-left: 3px solid var(--jade-400);
  border-radius: var(--contact-radius);
}
.page-contact .partners__aside-title {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--jade-400);
}
.page-contact .partners__aside p {
  margin: 0 0 .8rem;
  color: var(--text-dark-2);
  font-size: .93rem;
}
.page-contact .partners__aside-mono {
  margin: .2rem 0 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--ink-600);
  font-family: var(--font-mono);
  color: var(--gold-200) !important;
  font-size: .82rem !important;
  letter-spacing: .08em;
}

/* 来信与备案 */
.page-contact .visit {
  padding: 0 0 clamp(2.6rem, 7vw, 4.8rem);
}
.page-contact .visit__grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
}
.page-contact .visit__address {
  position: relative;
  margin: 1.2rem 0 1rem;
  padding: clamp(1.1rem, 3vw, 1.5rem) clamp(1.2rem, 3.4vw, 2rem) clamp(1.1rem, 3vw, 1.5rem) clamp(1.1rem, 3vw, 1.5rem);
  background: var(--ink-700);
  border: var(--contact-line);
  border-bottom: 2px solid var(--cinnabar-500);
  border-radius: var(--contact-radius);
}
.page-contact .visit__vertical {
  position: absolute;
  top: 1rem;
  right: .6rem;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .3em;
  color: var(--gold-500);
  opacity: .85;
}
.page-contact .visit__label {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--text-dark-2);
}
.page-contact .visit__value {
  margin: 0 0 .6rem;
  font-size: 1.05rem;
  color: var(--text-dark-1);
  overflow-wrap: anywhere;
}
.page-contact .visit__value--mono {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: .9rem;
  letter-spacing: .04em;
  color: var(--gold-200);
}
.page-contact .visit__hint {
  margin: 0;
  padding-right: 1.2rem;
  font-size: .9rem;
  color: var(--text-dark-2);
}
.page-contact .visit__filing {
  margin: 0 0 1.2rem;
  padding: .9rem 1.1rem;
  border: 1px dashed var(--ink-600);
  border-radius: 2px;
}
.page-contact .visit__panel {
  background: var(--ink-700);
  border: var(--contact-line);
  border-radius: 2px;
  padding: .2rem 1rem;
}
.page-contact .visit__panel summary {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--text-dark-1);
}
.page-contact .visit__panel .panel-body p {
  margin: 0 0 .8rem;
  font-size: .92rem;
  color: var(--text-dark-2);
}
.page-contact .visit__panel .panel-body p:last-child { margin-bottom: 0; }
.page-contact .visit__figure { margin: 0; }

/* 图片容器修饰 */
.page-contact .media-frame {
  border: var(--contact-line);
  border-radius: var(--contact-radius);
  overflow: hidden;
  background: var(--ink-700);
}
.page-contact .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .media-caption {
  padding: .7rem 1rem;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--text-dark-2);
  background: var(--ink-700);
}

/* 断点 */
@media (min-width: 700px) {
  .page-contact .hours__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 760px) {
  .page-contact .channels__grid {
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 68px;
  }
  .page-contact .channel:nth-child(2) { margin-top: 34px; }
  .page-contact .channel:nth-child(3) { margin-top: 68px; }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
  .page-contact .channels__head {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
  .page-contact .sheet__grid { grid-template-columns: 5fr 7fr; }
  .page-contact .partners__grid { grid-template-columns: 7fr 5fr; }
  .page-contact .partners__aside { align-self: start; }
  .page-contact .visit__grid { grid-template-columns: 5fr 7fr; align-items: start; }
}

@media (min-width: 1100px) {
  .page-contact .contact-hero { padding-top: 2.6rem; }
  .page-contact .contact-hero h1 { font-size: clamp(2.8rem, 5vw, 4.2rem); }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel { transition: none; }
  .page-contact .channel:hover { transform: none; }
}
</main>