.page-contact {
  --contact-surface: #ffffff;
  --contact-warm: #ece4d9;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-block: clamp(26px, 4.6vw, 48px) clamp(32px, 5.6vw, 64px);
}
.page-contact .contact-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--line);
}
.page-contact .contact-hero .crumbs a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 241, 236, 0.35);
}
.page-contact .contact-hero .crumbs a:hover,
.page-contact .contact-hero .crumbs a:focus-visible {
  border-bottom-color: var(--sand);
}
.page-contact .contact-hero .kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
}
.page-contact .contact-hero h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 10vw, 86px);
  line-height: 0.94;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .contact-hero__text {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.7;
  color: rgba(244, 241, 236, 0.82);
}
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
  margin-top: clamp(20px, 3.2vw, 36px);
}
.page-contact .contact-hero__media {
  margin: 0;
  aspect-ratio: 3 / 2;
}
.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-contact .contact-hero__media .media-frame__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(244, 241, 236, 0.6);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: end;
  }
  .page-contact .contact-hero__media {
    aspect-ratio: 7 / 5;
    max-height: 440px;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 93%);
  }
}

/* ---------- 主体分栏 ---------- */
.page-contact .contact-main {
  padding-block: clamp(40px, 6vw, 84px);
}
.page-contact .contact-columns {
  display: grid;
  gap: clamp(36px, 5vw, 68px);
}
@media (min-width: 980px) {
  .page-contact .contact-columns {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .contact-col--left {
    position: sticky;
    top: 96px;
  }
}
.page-contact .contact-col h2,
.page-contact .contact-coop h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.02;
  letter-spacing: -0.005em;
}
.page-contact .contact-sub {
  margin: clamp(30px, 4vw, 42px) 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.1;
}
.page-contact .contact-intro {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 联系渠道卡 ---------- */
.page-contact .contact-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.page-contact .contact-card {
  border: 2px solid var(--ink);
  background: var(--contact-surface);
  padding: clamp(18px, 2.3vw, 24px);
  box-shadow: 6px 6px 0 var(--line);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast);
}
.page-contact .contact-card:hover,
.page-contact .contact-card:focus-within {
  border-color: var(--sand);
  box-shadow: 6px 6px 0 var(--sand);
  transform: translate(-2px, -2px);
}
.page-contact .contact-card .kicker,
.page-contact .contact-coop .kicker,
.page-contact .contact-visit .kicker,
.page-contact .contact-selfhelp .kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
}
.page-contact .contact-card .kicker {
  color: var(--sand);
}
.page-contact .contact-card__value {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(18px, 3.6vw, 25px);
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
  color: var(--ink);
}
.page-contact .contact-card__use {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 问题类型切换 ---------- */
.page-contact .contact-seg {
  margin-top: clamp(26px, 3.6vw, 38px);
}
.page-contact .contact-seg__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.page-contact .contact-seg .seg-panel {
  border: 2px solid var(--line);
  background: var(--contact-surface);
  padding: clamp(16px, 2.2vw, 22px);
  font-size: 15px;
  line-height: 1.7;
}
.page-contact .contact-seg .seg-panel p {
  margin: 0 0 10px;
}
.page-contact .contact-seg .seg-panel p:last-child {
  margin-bottom: 0;
}

/* ---------- 回复节奏 ---------- */
.page-contact .contact-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-contact .contact-timeline li {
  position: relative;
  border-left: 3px solid var(--line);
  padding-left: 16px;
}
.page-contact .contact-timeline__time {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--sand);
}
.page-contact .contact-timeline__label {
  display: block;
  margin-top: 2px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}
.page-contact .contact-timeline li p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.62;
  color: var(--muted);
}
@media (min-width: 700px) {
  .page-contact .contact-timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 2px solid var(--ink);
  }
  .page-contact .contact-timeline li {
    border-left: 0;
    padding: 24px 18px 0 0;
  }
  .page-contact .contact-timeline li::before {
    content: "";
    position: absolute;
    top: -10px;
    left: 0;
    width: 16px;
    height: 16px;
    background: var(--amber);
    border: 2px solid var(--ink);
  }
}

/* ---------- 反馈信息清单 ---------- */
.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .check-item {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 12px;
  align-items: start;
  border: 2px solid var(--line);
  background: var(--contact-surface);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.page-contact .check-item:hover {
  border-color: var(--ink);
}
.page-contact .check-box {
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--sand);
  cursor: pointer;
}
.page-contact .check-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 2px 6px;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}
.page-contact .check-box:checked + .check-num {
  border-color: var(--mint);
  background: var(--mint);
  color: var(--night);
}
.page-contact .check-body {
  display: block;
}
.page-contact .check-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  margin-bottom: 2px;
}
.page-contact .check-text {
  display: block;
  font-size: 14px;
  line-height: 1.62;
  color: var(--muted);
}
.page-contact .check-hint {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--sand);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 反馈配图 ---------- */
.page-contact .contact-howto__media {
  margin: clamp(24px, 3.4vw, 34px) 0 0;
  aspect-ratio: 3 / 2;
}
.page-contact .contact-howto__media .media-frame__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 内容合作 ---------- */
.page-contact .contact-coop {
  margin-top: clamp(34px, 5vw, 54px);
  padding: clamp(22px, 3vw, 34px);
  background: var(--night);
  border: 2px solid var(--night-deep);
  box-shadow: 8px 8px 0 var(--sand);
  color: var(--paper);
}
.page-contact .contact-coop .kicker {
  margin-bottom: 8px;
  color: var(--amber);
}
.page-contact .contact-coop h2 {
  color: var(--paper);
}
.page-contact .contact-coop p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 241, 236, 0.84);
}
.page-contact .coop-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(244, 241, 236, 0.78);
}
.page-contact .coop-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--mint);
}
.page-contact .coop-list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 到访地址 ---------- */
.page-contact .contact-visit {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 6vw, 76px);
}
.page-contact .contact-visit::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(244, 241, 236, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 236, 0.055) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.page-contact .contact-visit__inner {
  position: relative;
}
.page-contact .contact-visit .kicker {
  margin: 0 0 10px;
  color: var(--amber);
}
.page-contact .contact-visit h2 {
  margin: 0 0 22px;
  max-width: 26ch;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(20px, 3.1vw, 30px);
  line-height: 1.34;
  letter-spacing: 0;
  color: var(--paper);
}
.page-contact .contact-visit__grid {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}
@media (min-width: 860px) {
  .page-contact .contact-visit__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}
.page-contact .contact-visit__text {
  margin: 0;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(244, 241, 236, 0.82);
}
.page-contact .visit-meta {
  margin: 0;
  display: grid;
  gap: 14px;
}
.page-contact .visit-meta > div {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(244, 241, 236, 0.18);
}
.page-contact .visit-meta > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .visit-meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mint);
}
.page-contact .visit-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}
.page-contact .visit-meta__num {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* ---------- 自助入口 ---------- */
.page-contact .contact-selfhelp {
  padding-block: clamp(40px, 6vw, 78px);
  background: var(--contact-warm);
}
.page-contact .contact-selfhelp__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}
@media (min-width: 900px) {
  .page-contact .contact-selfhelp__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
}
.page-contact .contact-selfhelp .kicker {
  margin: 0 0 10px;
  color: var(--sand);
}
.page-contact .contact-selfhelp h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.04;
}
.page-contact .contact-selfhelp__text {
  margin: 0;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .selfhelp-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .selfhelp-links a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  align-items: baseline;
  padding: 14px 18px;
  border: 2px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 5px 5px 0 var(--line);
  transition: box-shadow var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
}
.page-contact .selfhelp-links a:hover,
.page-contact .selfhelp-links a:focus-visible {
  border-color: var(--sand);
  box-shadow: 5px 5px 0 var(--sand);
  transform: translate(-2px, -2px);
}
.page-contact .selfhelp-num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--sand);
  border: 1px solid var(--line);
  padding: 3px 7px;
  align-self: start;
}
.page-contact .selfhelp-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
}
.page-contact .selfhelp-desc {
  grid-column: 2;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 收尾色带 ---------- */
.page-contact .contact-edge {
  height: 12px;
  background: linear-gradient(
    90deg,
    var(--sand) 0 40%,
    var(--amber) 40% 70%,
    var(--mint) 70% 100%
  );
}