/* ============ 找到我们 / contact ============ */
.page-contact {
  --ct-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ct-line-soft: rgba(246, 247, 244, 0.14);
  --ct-body-ink: rgba(11, 11, 12, 0.68);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏：红黑对角切割 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(112px, 17vh, 200px) 0 clamp(44px, 7vw, 88px);
  background:
    linear-gradient(116deg, var(--ink) 0%, var(--ink) 59.9%, var(--red-deep) 60%, var(--red) 100%);
  color: var(--paper);
  overflow: hidden;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

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

.page-contact .contact-hero__media .media__frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--carbon);
  clip-path: polygon(0 0, 100% 0, 100% 82%, 82% 100%, 0 100%);
}

.page-contact .contact-hero__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-hero__body {
  max-width: 46ch;
}

.page-contact .contact-hero__crumb {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(246, 247, 244, 0.6);
}

.page-contact .contact-hero__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 9vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__title em {
  font-style: normal;
  color: var(--gold);
}

.page-contact .contact-hero__lead {
  margin: 0 0 clamp(26px, 4vw, 38px);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: rgba(246, 247, 244, 0.74);
}

.page-contact .contact-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 章节目录带 ---------- */
.page-contact .chapter-nav {
  position: static;
  background: var(--ink);
  border-top: 1px solid var(--line-ink);
  border-bottom: 1px solid var(--line-ink);
  padding: 0;
}

.page-contact .chapter-nav .shell {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 36px);
  padding-top: 14px;
  padding-bottom: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-contact .chapter-nav .shell::-webkit-scrollbar {
  display: none;
}

.page-contact .chapter-nav__title {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
  white-space: nowrap;
}

.page-contact .chapter-nav__list {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .chapter-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 3px;
  font-size: 14px;
  white-space: nowrap;
  color: rgba(246, 247, 244, 0.7);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ct-ease), border-color 0.2s var(--ct-ease);
}

.page-contact .chapter-nav__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
}

.page-contact .chapter-nav__link:hover,
.page-contact .chapter-nav__link.is-active {
  color: var(--paper);
  border-bottom-color: var(--red);
}

/* ---------- 深色分区文字 ---------- */
.page-contact .section--ink .section__title,
.page-contact .section--carbon .section__title,
.page-contact .contact-feedback__title {
  color: var(--paper);
}

.page-contact .section--ink .eyebrow,
.page-contact .section--carbon .eyebrow {
  color: var(--gold);
}

.page-contact .section--ink .section__note,
.page-contact .section--carbon .section__note {
  color: rgba(246, 247, 244, 0.68);
}

/* ---------- 01 直接联系 ---------- */
.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(28px, 4vw, 48px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(24px, 2.6vw, 38px);
  background: #FFFFFF;
  box-shadow: var(--shadow-1);
  transition: transform 0.35s var(--ct-ease), box-shadow 0.35s var(--ct-ease);
}

.page-contact .contact-card--primary {
  border-top: 3px solid var(--red);
}

.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-card__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-contact .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 02 反馈通道 ---------- */
.page-contact .contact-feedback {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4.5vw, 64px);
  align-items: center;
}

.page-contact .contact-feedback__title {
  margin: 0 0 16px;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.25;
}

.page-contact .contact-feedback__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(246, 247, 244, 0.72);
  max-width: 56ch;
}

.page-contact .contact-topics {
  display: grid;
  gap: 1px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ct-line-soft);
  border-top: 1px solid var(--ct-line-soft);
  border-bottom: 1px solid var(--ct-line-soft);
}

.page-contact .contact-topics__item {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  background: var(--ink);
}

.page-contact .contact-topics__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 247, 244, 0.72);
}

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

.page-contact .contact-feedback__media .media__frame {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: rgba(246, 247, 244, 0.06);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 11% 100%, 0 84%);
}

.page-contact .contact-feedback__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 03 响应时间 ---------- */
.page-contact .contact-response {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 60px);
  align-items: start;
}

.page-contact .contact-response__clock {
  padding-left: clamp(16px, 2vw, 26px);
  border-left: 3px solid var(--red);
}

.page-contact .contact-response__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--mist);
}

.page-contact .contact-response__time {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(32px, 8vw, 56px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-contact .contact-response__time span {
  margin: 0 4px;
  color: var(--red);
}

.page-contact .contact-response__sub {
  margin: 0;
  font-size: 14px;
  color: var(--mist);
}

.page-contact .contact-response__body h2 {
  margin: 0 0 16px;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-contact .contact-response__body > p {
  margin: 0 0 clamp(24px, 3vw, 34px);
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ct-body-ink);
  max-width: 62ch;
}

.page-contact .contact-response__notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .contact-note {
  padding: clamp(20px, 2.4vw, 30px);
  background: var(--paper);
}

.page-contact .contact-note__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--blue);
}

.page-contact .contact-note__t {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
}

.page-contact .contact-note__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-body-ink);
}

/* ---------- 04 合作与来稿 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .partner-link {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 3vw, 38px);
  background: rgba(246, 247, 244, 0.045);
  border: 1px solid var(--line-ink);
  border-radius: var(--r);
  color: var(--paper);
  text-decoration: none;
  transition: background 0.3s var(--ct-ease), border-color 0.3s var(--ct-ease), transform 0.3s var(--ct-ease);
}

.page-contact .partner-link:hover,
.page-contact .partner-link:focus-visible {
  background: rgba(246, 247, 244, 0.085);
  border-color: rgba(200, 16, 46, 0.62);
  transform: translateY(-2px);
}

.page-contact .partner-link__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .partner-link__title {
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 800;
  line-height: 1.3;
}

.page-contact .partner-link__body {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 247, 244, 0.7);
}

.page-contact .partner-link__go {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-contact .contact-more {
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: clamp(20px, 2.4vw, 28px);
  border-top: 1px solid var(--line-ink);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(246, 247, 244, 0.7);
}

.page-contact .contact-more a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--red);
  padding-bottom: 1px;
}

.page-contact .contact-more a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 820px) {
  .page-contact .contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 640px) {
  .page-contact .contact-response__notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-response {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
    gap: clamp(40px, 6vw, 90px);
    align-items: end;
  }

  .page-contact .contact-hero__media .media__frame {
    aspect-ratio: 3 / 4;
  }

  .page-contact .contact-feedback {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .partner-link,
  .page-contact .chapter-nav__link {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .contact-card:focus-within,
  .page-contact .partner-link:hover,
  .page-contact .partner-link:focus-visible {
    transform: none;
  }
}