.page-contact {
  --contact-radius: 30px;
  --contact-radius-sm: 20px;
  position: relative;
  background: var(--ink);
  color: var(--bone);
  font-family: var(--font-body);
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(130% 100% at 88% -10%, rgba(53, 242, 208, .14), transparent 58%),
    linear-gradient(180deg, #07110F 0%, #0A1D19 58%, #07110F 100%);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .18;
  filter: saturate(.65) contrast(1.05);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 17, 15, .55) 0%, rgba(7, 17, 15, .88) 55%, #07110F 100%);
}

.page-contact .contact-hero > .container {
  position: relative;
  z-index: 2;
}

/* 面包屑 */
.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-contact .contact-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .78rem;
  color: var(--muted);
}

.page-contact .contact-hero .breadcrumb-list li + li::before {
  content: "/";
  margin-right: .5rem;
  color: rgba(168, 199, 189, .45);
}

.page-contact .contact-hero .breadcrumb-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-hero .breadcrumb-link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(53, 242, 208, .4);
}

.page-contact .contact-hero .breadcrumb-current {
  color: var(--cyan);
}

/* 标题区 */
.page-contact .hero-head {
  max-width: 44rem;
}

.page-contact .hero-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0;
  color: var(--cyan);
}

.page-contact .hero-head .title-xl {
  margin: .8rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 4.6vw, 3.4rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--bone);
}

.page-contact .hero-head .lede {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(.95rem, 1.6vw, 1.05rem);
  line-height: 1.8;
  color: var(--muted);
}

/* 首屏左右分屏 */
.page-contact .hero-split {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.1rem, 2.6vw, 1.75rem);
}

@media (min-width: 980px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
    align-items: start;
    gap: clamp(1.25rem, 2.4vw, 2rem);
  }
}

/* 联系卡 */
.page-contact .contact-card {
  position: relative;
  border-radius: var(--contact-radius);
  border: 1px solid rgba(53, 242, 208, .26);
  padding: clamp(1.35rem, 3vw, 2.15rem);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(53, 242, 208, .16), transparent 58%),
    linear-gradient(160deg, #10312A 0%, #0A1F1B 55%, #07110F 100%);
  box-shadow: 0 30px 70px -40px rgba(53, 242, 208, .5);
}

.page-contact .contact-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--bone);
}

.page-contact .contact-row {
  padding-block: 1rem;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-row:first-of-type {
  border-top: 0;
  padding-top: .35rem;
}

.page-contact .contact-row__label {
  display: block;
  margin-bottom: .45rem;
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-row__line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem .75rem;
}

.page-contact .contact-row__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(.92rem, 2.2vw, 1.06rem);
  letter-spacing: .01em;
  color: var(--bone);
  overflow-wrap: anywhere;
}

.page-contact .contact-row__value--text {
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.65;
  color: var(--bone);
}

.page-contact .contact-copy {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--cyan);
  background: rgba(53, 242, 208, .08);
  border: 1px solid rgba(53, 242, 208, .34);
  border-radius: var(--pill);
  padding: .34rem .75rem;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
  -webkit-appearance: none;
  appearance: none;
}

.page-contact .contact-copy:hover {
  background: rgba(53, 242, 208, .18);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .contact-copy.is-copied {
  color: #07110F;
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .contact-card__note {
  margin: 1.1rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--line-soft);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--muted);
}

/* 反馈分类分段切换 */
.page-contact .contact-tabs {
  position: relative;
  overflow: hidden;
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background: rgba(23, 26, 28, .78);
  padding: clamp(1.25rem, 2.6vw, 1.9rem);
}

.page-contact .contact-tabs__art {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-tabs__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: saturate(.6);
}

.page-contact .contact-tabs__title {
  position: relative;
  z-index: 1;
  margin: 0 0 .95rem;
  font-family: var(--font-body);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-tabs__list {
  position: relative;
  z-index: 1;
  display: flex;
  gap: .5rem;
  overflow-x: auto;
  margin: 0 0 .3rem;
  padding-bottom: .45rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(168, 199, 189, .35) transparent;
}

.page-contact .contact-tabs__list::-webkit-scrollbar {
  height: 5px;
}

.page-contact .contact-tabs__list::-webkit-scrollbar-thumb {
  background: rgba(168, 199, 189, .3);
  border-radius: var(--pill);
}

.page-contact .contact-tabs__list .tab-btn {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: .84rem;
  line-height: 1.1;
  padding: .62rem 1rem;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .02);
  color: var(--muted);
  cursor: pointer;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-contact .contact-tabs__list .tab-btn:hover {
  color: var(--bone);
  border-color: rgba(168, 199, 189, .42);
}

.page-contact .contact-tabs__list .tab-btn[aria-selected="true"] {
  color: #1A1204;
  background: var(--amber);
  border-color: var(--amber);
  font-weight: 700;
}

.page-contact .contact-tabs__list .tab-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 准备清单面板 */
.page-contact .contact-panel {
  position: relative;
  z-index: 1;
  padding-top: 1.15rem;
}

.page-contact .tab-panel[hidden] {
  display: none;
}

.page-contact .contact-panel__lead {
  margin: 0 0 1rem;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .check-list {
  list-style: none;
  margin: 0 0 1.15rem;
  padding: 0;
  display: grid;
  gap: .62rem;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .92rem;
  line-height: 1.65;
  color: var(--bone);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: .48rem;
  height: .48rem;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .panel-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 208, .35);
  padding-bottom: 2px;
}

.page-contact .panel-link:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .panel-link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 服务时段带 ---------- */
.page-contact .service-band {
  margin-top: clamp(1.75rem, 4.5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  border-radius: var(--contact-radius);
  border: 1px solid rgba(53, 242, 208, .3);
  background: linear-gradient(120deg, #12433A 0%, #0C2A25 48%, #07110F 100%);
  padding: clamp(1.35rem, 3vw, 2.2rem);
}

@media (min-width: 860px) {
  .page-contact .service-band {
    grid-template-columns: minmax(0, .52fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3rem);
  }
}

.page-contact .service-band__clock {
  border-bottom: 1px solid rgba(168, 199, 189, .18);
  padding-bottom: 1.1rem;
}

@media (min-width: 860px) {
  .page-contact .service-band__clock {
    border-bottom: 0;
    border-right: 1px solid rgba(168, 199, 189, .18);
    padding: 0 clamp(1.2rem, 2.5vw, 2rem) 0 0;
  }
}

.page-contact .service-band__time {
  margin: .35rem 0 .4rem;
  font-family: var(--font-num);
  font-size: clamp(1.9rem, 6vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-contact .service-band__time span {
  margin-inline: .12em;
  color: var(--cyan);
}

.page-contact .service-band__days {
  margin: 0;
  display: flex;
  align-items: center;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .service-band__dot {
  display: inline-block;
  width: .5rem;
  height: .5rem;
  margin-right: .5rem;
  border-radius: 50%;
  background: var(--cyan);
  animation: pcPulse 2.4s ease-out infinite;
}

@keyframes pcPulse {
  0% { box-shadow: 0 0 0 0 rgba(53, 242, 208, .55); }
  70% { box-shadow: 0 0 0 10px rgba(53, 242, 208, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 242, 208, 0); }
}

.page-contact .service-band__body h2 {
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.55rem);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--bone);
}

.page-contact .service-band__body > p {
  margin: 0 0 1.05rem;
  max-width: 42rem;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .service-band__notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-contact .service-band__notes li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .88rem;
  line-height: 1.66;
  color: var(--bone);
}

.page-contact .service-band__notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- 邮件优先区 ---------- */
.page-contact .mail-first {
  margin-top: clamp(1.75rem, 4.5vw, 3rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--contact-radius);
  border: 1px solid var(--line);
  background: rgba(13, 36, 32, .55);
  padding: clamp(1.35rem, 3vw, 2.4rem);
}

@media (min-width: 900px) {
  .page-contact .mail-first {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }
}

.page-contact .mail-first__main .eyebrow {
  margin: 0;
  color: var(--cyan);
}

.page-contact .mail-first__main .title-lg {
  margin: .7rem 0 .9rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.95rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-contact .mail-first__main > p {
  margin: 0 0 1.2rem;
  max-width: 36rem;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .mail-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .7rem;
  padding: .7rem .8rem .7rem 1.05rem;
  border-radius: var(--pill);
  border: 1px solid rgba(53, 242, 208, .32);
  background: rgba(7, 17, 15, .6);
}

.page-contact .mail-pill__value {
  font-family: var(--font-num);
  font-size: clamp(.84rem, 2vw, 1rem);
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .mail-first__note {
  margin: 1rem 0 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .mail-first__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-contact .mail-first__steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: .85rem;
  padding: .9rem 1rem;
  border-radius: var(--contact-radius-sm);
  border: 1px solid var(--line-soft);
  background: rgba(23, 26, 28, .6);
}

.page-contact .step__num {
  padding-top: .12rem;
  font-family: var(--font-num);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-contact .step__body h3 {
  margin: 0 0 .28rem;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  color: var(--bone);
}

.page-contact .step__body p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.66;
  color: var(--muted);
}

/* ---------- 备案与法律入口 ---------- */
.page-contact .contact-legal {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 1.25rem;
}

.page-contact .contact-legal__icp {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.1rem;
}

.page-contact .contact-legal__link {
  font-size: .8rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-legal__link:hover {
  color: var(--cyan);
  border-bottom-color: rgba(53, 242, 208, .4);
}

.page-contact .contact-legal__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* ---------- 降级动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact {
    scroll-behavior: auto;
  }

  .page-contact .service-band__dot {
    animation: none;
  }

  .page-contact .contact-copy,
  .page-contact .panel-link,
  .page-contact .contact-tabs__list .tab-btn,
  .page-contact .contact-legal__link {
    transition: none;
  }
}
<<<END>>>