.page-contact {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(24px, 4vw, 48px) clamp(56px, 7vw, 100px);
}

.page-contact a {
  color: inherit;
  text-decoration: none;
}

.page-contact .m-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-contact .m-breadcrumb__link {
  color: var(--edge);
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed), color var(--speed);
}

.page-contact .m-breadcrumb__link:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-contact .m-breadcrumb__sep {
  color: var(--mute);
  padding-inline: 8px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: clamp(40px, 5vw, 72px);
}

.page-contact .contact-hero__intro {
  display: grid;
  gap: 14px;
  align-content: end;
}

.page-contact .contact-hero .m-eyebrow {
  margin: 0;
  color: var(--amber);
  font-family: var(--f-num);
  letter-spacing: .12em;
}

.page-contact .contact-hero .m-display {
  margin: 0;
  color: var(--paper);
  line-height: .92;
  letter-spacing: -.02em;
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(243, 238, 230, .86);
}

.page-contact .contact-hero .m-note {
  margin: 0;
  color: var(--mute);
  font-size: 13px;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border: 1px solid rgba(243, 238, 230, .16);
  box-shadow: 10px 10px 0 -1px var(--crimson);
  background: var(--char);
  overflow: hidden;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.72) contrast(1.05);
}

/* ---------- 双栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .contact-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

/* ---------- 联系卡片 ---------- */
.page-contact .contact-card {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--edge);
  padding: 24px clamp(18px, 3vw, 28px);
  box-shadow: 6px 6px 0 0 var(--crimson);
  display: grid;
  gap: 14px;
}

.page-contact .contact-card .m-eyebrow {
  margin: 0;
  color: var(--crimson);
  font-family: var(--f-num);
  letter-spacing: .14em;
}

.page-contact .contact-card__mail {
  display: block;
  font-family: var(--f-num);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--crimson);
  word-break: break-all;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--speed), color var(--speed);
}

.page-contact .contact-card__mail:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

.page-contact .contact-card__meta {
  margin: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--edge);
  padding-top: 14px;
}

.page-contact .contact-card__meta > div {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-contact .contact-card__meta dt {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-contact .contact-card__meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink);
}

.page-contact .contact-card__meta dd a {
  color: var(--ink);
  border-bottom: 1px solid var(--edge);
  transition: border-color var(--speed), color var(--speed);
}

.page-contact .contact-card__meta dd a:hover {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}

/* ---------- 版本标签 ---------- */
.page-contact .contact-versions {
  padding: 18px;
  border: 1px solid rgba(243, 238, 230, .15);
  background: var(--char);
  display: grid;
  gap: 12px;
}

.page-contact .contact-versions__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .contact-versions__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-ver {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--amber);
  color: var(--amber);
  font-family: var(--f-num);
  font-size: 14px;
  cursor: pointer;
  transition: transform var(--speed), background var(--speed), color var(--speed);
}

.page-contact .contact-ver:hover,
.page-contact .contact-ver:focus-visible {
  transform: translateY(-2px);
  background: var(--amber);
  color: var(--ink);
  outline: none;
}

.page-contact .contact-ver .m-num {
  font-weight: 700;
}

.page-contact .contact-ver__tag {
  font-family: var(--f-body);
  font-size: 11px;
  letter-spacing: .06em;
  padding-left: 8px;
  border-left: 1px solid currentColor;
  opacity: .82;
}

.page-contact .contact-versions .m-note {
  margin: 0;
  color: var(--mute);
  font-size: 12px;
  line-height: 1.65;
}

/* ---------- 左栏延伸链接 ---------- */
.page-contact .contact-aside__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(243, 238, 230, .12);
}

.page-contact .contact-aside__links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(243, 238, 230, .12);
  font-size: 13px;
  color: var(--edge);
  transition: color var(--speed), border-color var(--speed);
}

.page-contact .contact-aside__links a::after {
  content: "→";
  color: var(--mute);
  transition: color var(--speed), transform var(--speed);
}

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

.page-contact .contact-aside__links a:hover::after {
  color: var(--red);
  transform: translateX(3px);
}

/* ---------- 右栏正文 ---------- */
.page-contact .contact-main {
  display: grid;
  gap: clamp(36px, 5vw, 64px);
  min-width: 0;
}

.page-contact .contact-block {
  display: grid;
  gap: 14px;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid rgba(243, 238, 230, .14);
}

.page-contact .contact-block:first-child {
  padding-top: 0;
  border-top: none;
}

.page-contact .contact-block .m-eyebrow {
  margin: 0;
  font-family: var(--f-num);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: none;
  color: var(--amber);
}

.page-contact .contact-block h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-block p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 238, 230, .82);
}

.page-contact .contact-block .m-note {
  color: var(--mute);
  font-size: 13px;
  line-height: 1.7;
}

/* ---------- 反馈模板 ---------- */
.page-contact .contact-template {
  border: 1px solid rgba(243, 238, 230, .18);
  background: var(--char);
  margin-top: 4px;
}

.page-contact .contact-template__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(243, 238, 230, .12);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-contact .contact-template__pre {
  margin: 0;
  padding: 16px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(245, 179, 1, .05);
  overflow-x: auto;
  font-family: var(--f-num);
  font-size: 13px;
  line-height: 1.9;
  color: var(--paper);
  white-space: pre-wrap;
  word-break: break-word;
  tab-size: 2;
}

.page-contact .contact-template__pre code {
  font-family: inherit;
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}

.page-contact .contact-flow__step {
  padding: 16px;
  border: 1px solid rgba(243, 238, 230, .14);
  background: rgba(243, 238, 230, .03);
  display: grid;
  gap: 6px;
  align-content: start;
  transition: border-color var(--speed), box-shadow var(--speed);
}

.page-contact .contact-flow__step:hover {
  border-color: var(--red);
  box-shadow: inset 3px 0 0 var(--red);
}

.page-contact .contact-flow__num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--amber);
}

.page-contact .contact-flow__t {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-flow__d {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mute);
}

.page-contact .contact-flow__arrow {
  display: none;
}

.page-contact .contact-flow__figure {
  margin: 16px 0 0;
  border: 1px solid rgba(243, 238, 230, .14);
  background: var(--char);
  overflow: hidden;
}

.page-contact .contact-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.75) contrast(1.06);
}

/* ---------- 咨询类型切换 ---------- */
.page-contact .contact-tabs {
  margin-top: 4px;
  position: relative;
  min-width: 0;
}

.page-contact .contact-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .contact-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid rgba(243, 238, 230, .18);
}

.page-contact .contact-tabs__tab {
  padding: 12px 14px;
  margin-bottom: -1px;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mute);
  border-bottom: 2px solid transparent;
  transition: color var(--speed), border-color var(--speed);
}

.page-contact .contact-tabs__tab:hover {
  color: var(--paper);
}

.page-contact #ctype-1:checked ~ .contact-tabs__labels > :nth-child(1),
.page-contact #ctype-2:checked ~ .contact-tabs__labels > :nth-child(2),
.page-contact #ctype-3:checked ~ .contact-tabs__labels > :nth-child(3) {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact #ctype-1:focus-visible ~ .contact-tabs__labels > :nth-child(1),
.page-contact #ctype-2:focus-visible ~ .contact-tabs__labels > :nth-child(2),
.page-contact #ctype-3:focus-visible ~ .contact-tabs__labels > :nth-child(3) {
  outline: 1px dashed var(--amber);
  outline-offset: -3px;
}

.page-contact .contact-tabs__panel {
  display: none;
  padding-top: 18px;
}

.page-contact .contact-tabs__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 238, 230, .82);
}

.page-contact #ctype-1:checked ~ .contact-tabs__panel--1,
.page-contact #ctype-2:checked ~ .contact-tabs__panel--2,
.page-contact #ctype-3:checked ~ .contact-tabs__panel--3 {
  display: block;
}

.page-contact .contact-tabs__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .contact-tabs__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(243, 238, 230, .82);
}

.page-contact .contact-tabs__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--crimson);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .contact-flow {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
  }

  .page-contact .contact-flow__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--red);
    font-size: 18px;
    font-family: var(--f-num);
  }

  .page-contact .contact-flow__figure {
    width: 62%;
    margin-left: auto;
  }
}

@media (min-width: 940px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>