/* ================= page-contact ================= */
.page-contact {
  --pc-line: 1px solid var(--mist);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(30px, 5vw, 52px);
  border-bottom: var(--pc-line);
}

.page-contact .contact-hero .display-title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: clamp(2.4rem, 9vw, 4.6rem);
  line-height: 1.04;
  color: var(--deep-sea);
}

.page-contact .contact-hero .lede {
  margin: 0;
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px 20px;
}

.page-contact .contact-meta {
  padding-left: 14px;
  border-left: 2px solid var(--coral);
}

.page-contact .contact-meta__val {
  display: block;
  font-size: clamp(0.88rem, 2.4vw, 1rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
  word-break: break-word;
}

.page-contact .contact-meta__label {
  display: block;
  margin-top: 5px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

/* ---------- 区块标题组 ---------- */
.page-contact .contact-head {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-contact .contact-head .section-title {
  margin: 12px 0 14px;
  max-width: 24ch;
}

.page-contact .contact-head .lede {
  margin: 0;
}

/* ---------- 联络台两栏 ---------- */
.page-contact .desk-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

@media (min-width: 900px) {
  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .desk-visual {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  padding-left: clamp(24px, 3vw, 32px);
  background: var(--pearl);
  border: var(--pc-line);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
  transition: border-color var(--t-micro) var(--ease), box-shadow var(--t-micro) var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--sand);
  border-radius: 4px 0 0 4px;
  transition: background-color var(--t-micro) var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: rgba(28, 78, 122, 0.45);
  box-shadow: var(--shadow-2);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  background: var(--coral);
}

.page-contact .channel-card__label {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  background: var(--coral-soft);
  color: var(--night-sea);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

.page-contact .channel-card__value {
  margin: 0 0 14px;
  font-size: clamp(0.9rem, 2.6vw, 1.14rem);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .channel-card__desc {
  margin: 0 0 16px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .channel-card__for-label {
  margin: 0 0 9px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--tide);
}

.page-contact .channel-card__for {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-contact .channel-card__for li {
  position: relative;
  padding-left: 18px;
  font-size: 0.91rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .channel-card__for li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--tide);
}

.page-contact .channel-card__hint {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: var(--pc-line);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 视觉图 ---------- */
.page-contact .desk-visual,
.page-contact .rhythm-figure {
  margin: 0;
}

.page-contact .desk-visual img,
.page-contact .rhythm-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: var(--pc-line);
  border-radius: 4px;
  object-fit: cover;
}

.page-contact .desk-visual img {
  box-shadow: var(--shadow-2);
}

.page-contact .desk-visual__cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---------- 响应节奏带 ---------- */
.page-contact .section-rhythm {
  background: var(--sand);
  border-block: var(--pc-line);
}

.page-contact .rhythm-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

@media (min-width: 960px) {
  .page-contact .rhythm-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}

.page-contact .rhythm-figure {
  order: 2;
}

@media (min-width: 960px) {
  .page-contact .rhythm-figure {
    order: 1;
  }
}

.page-contact .rhythm-figure img {
  background: var(--pearl);
  box-shadow: var(--shadow-1);
}

.page-contact .rhythm-copy .section-title {
  margin: 12px 0 16px;
  color: var(--deep-sea);
}

.page-contact .rhythm-copy p {
  margin: 0 0 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .rhythm-facts {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(11, 46, 79, 0.16);
  border: var(--pc-line);
  border-radius: 4px;
  overflow: hidden;
}

@media (min-width: 640px) {
  .page-contact .rhythm-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .rhythm-fact {
  display: grid;
  gap: 5px;
  padding: 16px clamp(14px, 2vw, 20px);
  background: var(--pearl);
}

.page-contact .rhythm-fact__val {
  font-size: clamp(0.98rem, 2.3vw, 1.18rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
  overflow-wrap: anywhere;
}

.page-contact .rhythm-fact__label {
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--graphite);
}

/* ---------- 工单 / 自助 双栏 ---------- */
.page-contact .duo {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

@media (min-width: 880px) {
  .page-contact .duo {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .duo__col {
  padding: clamp(22px, 3vw, 34px);
  border: var(--pc-line);
  border-radius: 4px;
  background: var(--pearl);
  box-shadow: var(--shadow-1);
}

.page-contact .duo__col--ticket {
  background: var(--coral-soft);
  border-color: rgba(255, 107, 74, 0.4);
}

.page-contact .duo__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 10px;
  background: var(--deep-sea);
  color: var(--pearl);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-radius: 2px;
}

.page-contact .duo__col--ticket .duo__tag {
  background: var(--night-sea);
}

.page-contact .duo__col .card-title {
  margin: 0 0 12px;
  color: var(--deep-sea);
}

.page-contact .duo__col p {
  margin: 0 0 12px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .duo__col .accordion {
  margin-top: 20px;
}

.page-contact .duo__col .accordion__item {
  border-color: rgba(11, 46, 79, 0.14);
}

/* 工单要点列表 */
.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .step-list li {
  display: grid;
  grid-template-columns: minmax(5.4em, auto) minmax(0, 1fr);
  gap: 12px;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .step-list b {
  font-weight: 700;
  color: var(--deep-sea);
}

/* 自助清单 */
.page-contact .self-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .self-list li {
  padding: 16px 0;
  border-top: var(--pc-line);
}

.page-contact .self-list li:last-child {
  border-bottom: var(--pc-line);
}

.page-contact .self-list a {
  display: inline-block;
  padding-bottom: 2px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--deep-sea);
  text-decoration: none;
  border-bottom: 2px solid var(--coral);
  transition: color var(--t-micro) var(--ease);
}

.page-contact .self-list a:hover,
.page-contact .self-list a:focus-visible {
  color: var(--mid-sea);
}

.page-contact .self-list span {
  display: block;
  margin-top: 7px;
  font-size: 0.89rem;
  line-height: 1.75;
  color: var(--graphite);
}

.page-contact .self-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--tide);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 商务合作 ---------- */
.page-contact .coop {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

@media (min-width: 900px) {
  .page-contact .coop {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .coop__intro .section-title {
  margin: 12px 0 16px;
  color: var(--deep-sea);
}

.page-contact .coop__intro .lede {
  margin: 0;
}

.page-contact .coop__contact {
  margin-top: clamp(22px, 3vw, 30px);
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--pearl);
  border: var(--pc-line);
  border-left: 3px solid var(--coral);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
}

.page-contact .coop__contact .kicker {
  margin: 0 0 10px;
}

.page-contact .coop__mail {
  margin: 0 0 10px;
  font-size: clamp(0.9rem, 2.6vw, 1.08rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--deep-sea);
  overflow-wrap: anywhere;
  -webkit-user-select: all;
  user-select: all;
}

.page-contact .coop__contact p:last-child {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .coop__contact a {
  color: var(--deep-sea);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--coral);
  transition: color var(--t-micro) var(--ease);
}

.page-contact .coop__contact a:hover,
.page-contact .coop__contact a:focus-visible {
  color: var(--mid-sea);
}

.page-contact .coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .coop__item {
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--pearl);
  border: var(--pc-line);
  border-radius: 4px;
  box-shadow: var(--shadow-1);
  transition: border-color var(--t-micro) var(--ease), box-shadow var(--t-micro) var(--ease);
}

.page-contact .coop__item:hover {
  border-color: rgba(28, 78, 122, 0.45);
  box-shadow: var(--shadow-2);
}

.page-contact .coop__item p {
  margin: 12px 0 0;
  font-size: 0.91rem;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 焦点可访问性 ---------- */
.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 1ms !important;
  }

  .page-contact .desk-visual {
    position: static;
  }
}