.page-contact {
  --pc-r: clamp(14px, 2vw, 28px);
  --pc-pad: clamp(22px, 3vw, 32px);
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(108, 75, 255, .12), transparent 62%),
    radial-gradient(900px 520px at -8% 26%, rgba(33, 216, 206, .12), transparent 66%),
    var(--c-frost);
  color: var(--c-navy);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(18px, 3.5vw, 34px) 0 clamp(52px, 8vw, 100px);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: clamp(22px, 3.5vw, 40px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-size: clamp(38px, 7.4vw, 84px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--c-navy);
  text-shadow: 0 0 1px rgba(244, 247, 251, .85);
}

.page-contact .contact-hero__lede {
  margin-top: clamp(18px, 2.4vw, 26px);
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--c-slate);
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0 0 0 18px;
  border-left: 2px solid var(--c-cyan);
  display: grid;
  gap: 10px;
}

.page-contact .contact-hero__quick li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-contact .contact-shot {
  position: relative;
  display: block;
  margin: 0;
  aspect-ratio: 14 / 9;
  border-radius: var(--pc-r);
  overflow: hidden;
  background: linear-gradient(150deg, var(--c-mist), rgba(108, 75, 255, .14));
  box-shadow: 0 34px 64px -34px rgba(10, 29, 48, .45);
}

.page-contact .contact-shot img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-shot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(158deg, rgba(78, 155, 224, .30), transparent 52%, rgba(108, 75, 255, .24)),
    repeating-linear-gradient(118deg, rgba(244, 247, 251, .10) 0 2px, transparent 2px 9px);
}

/* ---------- 章节标题的竖排小注 ---------- */
.page-contact .chapter__note {
  writing-mode: vertical-rl;
  letter-spacing: .3em;
  font-size: 12px;
  color: var(--c-slate);
  margin-top: 6px;
}

/* ---------- 三张联系卡片 ---------- */
.page-contact .contact-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .contact-tile {
  background: linear-gradient(180deg, #ffffff 0%, var(--c-mist) 100%);
  border: 1px solid var(--c-line-soft);
  border-top: 3px solid var(--c-glacier);
  border-radius: var(--pc-r);
  padding: var(--pc-pad);
  min-width: 0;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-tile--phone {
  border-top-color: var(--c-cyan);
  border-radius: var(--r-md);
}

.page-contact .contact-tile--place {
  border-top-color: var(--c-violet);
  border-radius: var(--r-sm);
}

.page-contact .contact-tile:hover {
  transform: translateY(-4px);
  box-shadow: 0 26px 50px -28px rgba(10, 29, 48, .42);
  border-color: rgba(33, 216, 206, .55);
}

.page-contact .contact-tile .label-en {
  margin: 0 0 10px;
  color: var(--c-glacier);
}

.page-contact .contact-tile__name {
  margin: 0 0 14px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-navy);
}

.page-contact .contact-tile__value {
  margin: 0 0 14px;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-deep-ice);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-tile__value--mono {
  font-family: var(--font-mono);
  letter-spacing: .01em;
}

.page-contact .contact-tile__for {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-contact .contact-tile__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-contact .copy-btn {
  appearance: none;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid var(--c-glacier);
  background: transparent;
  color: var(--c-deep-ice);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .copy-btn:hover {
  background: var(--c-glacier);
  color: var(--c-frost);
}

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

.page-contact .copy-btn[data-copied] {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-navy);
}

.page-contact .copy-status {
  font-size: 13px;
  color: var(--c-slate);
  min-height: 1.2em;
}

/* ---------- 线框地图 ---------- */
.page-contact .wiremap {
  margin: 4px 0 16px;
  color: var(--c-glacier);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-sm);
  background: rgba(222, 234, 248, .55);
  padding: 8px;
}

.page-contact .wiremap svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 邮件 / 电话对照双栏 ---------- */
.page-contact .contact-route__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .route-panel {
  border-radius: var(--r-md);
  padding: var(--pc-pad);
  min-width: 0;
}

.page-contact .route-panel--mail {
  background: #ffffff;
  border: 1px solid var(--c-line-soft);
  border-left: 4px solid var(--c-glacier);
}

.page-contact .route-panel--call {
  background: linear-gradient(158deg, var(--c-navy), var(--c-deep-ice));
  color: var(--c-frost);
  border-left: 4px solid var(--c-cyan);
}

.page-contact .route-panel__title {
  margin: 0 0 20px;
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .route-panel--mail .route-panel__title {
  color: var(--c-navy);
}

.page-contact .route-panel--call .route-panel__title {
  color: var(--c-frost);
}

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: rl;
}

.page-contact .route-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .route-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-cyan);
}

.page-contact .route-panel--mail .route-list li::before {
  background: var(--c-glacier);
}

.page-contact .route-list strong {
  display: block;
  font-weight: 700;
  color: var(--c-navy);
}

.page-contact .route-panel--call .route-list strong {
  color: var(--c-frost);
}

.page-contact .route-list span {
  color: var(--c-slate);
}

.page-contact .route-panel--call .route-list span {
  color: rgba(244, 247, 251, .78);
}

.page-contact .route-panel__hint {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--c-frost-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-cyan);
}

/* ---------- 账号问题准备清单 ---------- */
.page-contact .contact-prepare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .contact-prepare__fig {
  display: block;
  margin: 0;
  border-radius: var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  overflow: hidden;
  background: linear-gradient(150deg, var(--c-mist), rgba(33, 216, 206, .16));
}

.page-contact .contact-prepare__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-contact .prep-list li {
  counter-increment: prep;
  position: relative;
  padding-left: 44px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-navy);
}

.page-contact .prep-list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  background: var(--c-mist);
  color: var(--c-deep-ice);
  border: 1px solid var(--c-glacier);
}

.page-contact .contact-prepare__tip {
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(222, 234, 248, .7);
  border-left: 3px solid var(--c-violet);
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-slate);
}

.page-contact .contact-prepare__tip a {
  color: var(--c-deep-ice);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--c-cyan);
  text-underline-offset: 3px;
}

.page-contact .contact-prepare__tip a:hover {
  color: var(--c-violet);
}

/* ---------- 内容合作 ---------- */
.page-contact .contact-coop__intro {
  margin-top: clamp(22px, 3vw, 32px);
  color: var(--c-slate);
}

.page-contact .coop-blobs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-contact .coop-tile {
  position: relative;
  padding: var(--pc-pad);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  outline-offset: 3px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .coop-tile--a {
  background: linear-gradient(145deg, #ffffff, var(--c-mist));
  border-color: rgba(78, 155, 224, .38);
}

.page-contact .coop-tile--b {
  background: linear-gradient(145deg, var(--c-mist), #ffffff);
  border-color: rgba(33, 216, 206, .48);
}

.page-contact .coop-tile--c {
  background: linear-gradient(145deg, #ffffff, rgba(108, 75, 255, .12));
  border-color: rgba(108, 75, 255, .38);
}

.page-contact .coop-tile:hover,
.page-contact .coop-tile:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 24px 44px -28px rgba(10, 29, 48, .40);
}

.page-contact .coop-tile:focus-visible {
  outline: 2px solid var(--c-cyan);
}

.page-contact .coop-tile__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 1.9vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-navy);
}

.page-contact .coop-tile__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-slate);
}

.page-contact .coop-tile__more {
  margin: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-deep-ice);
  transition: max-height 300ms var(--ease), opacity 220ms var(--ease), margin-top 220ms var(--ease);
}

.page-contact .coop-tile:hover .coop-tile__more,
.page-contact .coop-tile:focus-within .coop-tile__more,
.page-contact .coop-tile:focus-visible .coop-tile__more {
  max-height: 240px;
  opacity: 1;
  margin-top: 14px;
}

.page-contact .contact-coop__cta {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-slate);
}

.page-contact .contact-coop__mail {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-deep-ice);
  overflow-wrap: anywhere;
}

/* ---------- 底部自助入口 ---------- */
.page-contact .contact-help__box {
  background: linear-gradient(150deg, var(--c-navy), var(--c-deep-ice));
  color: var(--c-frost);
  border-radius: var(--r-lg);
  padding: clamp(26px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  position: relative;
  overflow: hidden;
}

.page-contact .contact-help__box::after {
  content: "";
  position: absolute;
  inset: -30% -10% auto auto;
  width: min(420px, 60%);
  aspect-ratio: 1;
  background: radial-gradient(circle at 40% 40%, rgba(108, 75, 255, .38), transparent 66%);
  pointer-events: none;
}

.page-contact .contact-help__text {
  position: relative;
  z-index: 1;
}

.page-contact .contact-help__text h2 {
  margin: 0 0 14px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-frost);
}

.page-contact .contact-help__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 247, 251, .82);
  max-width: 52ch;
}

.page-contact .contact-help__links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: center;
}

.page-contact .contact-help__links .btn {
  white-space: nowrap;
}

.page-contact .contact-help__box .btn--line {
  border-color: rgba(244, 247, 251, .5);
  color: var(--c-frost);
}

.page-contact .contact-help__box .btn--line:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-contact .contact-help__box .btn--amber {
  background: var(--c-amber);
  border-color: var(--c-amber);
  color: var(--c-navy);
}

/* ---------- 桌面断点 ---------- */
@media (min-width: 820px) {
  .page-contact .contact-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 24px;
  }

  .page-contact .contact-tile--mail {
    margin-top: 0;
    border-radius: var(--r-lg);
  }

  .page-contact .contact-tile--phone {
    margin-top: 42px;
    border-radius: var(--r-md);
  }

  .page-contact .contact-tile--place {
    margin-top: 14px;
    border-radius: var(--r-sm);
  }

  .page-contact .coop-blobs {
    grid-template-columns: 1.15fr .85fr;
    grid-auto-rows: auto;
  }

  .page-contact .coop-tile--a {
    grid-row: span 2;
    border-radius: 6px 28px 28px 6px;
  }

  .page-contact .coop-tile--b {
    border-radius: 28px 6px 28px 28px;
  }

  .page-contact .coop-tile--c {
    border-radius: 6px 28px 6px 28px;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-route__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    gap: 28px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .contact-prepare__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-contact .contact-prepare__fig {
    margin-top: 24px;
  }

  .page-contact .contact-help__box {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    align-items: center;
  }
}

/* 触屏设备默认展开合作资料要求 */
@media (hover: none) {
  .page-contact .coop-tile__more {
    max-height: none;
    opacity: 1;
    margin-top: 14px;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tile,
  .page-contact .coop-tile,
  .page-contact .coop-tile__more,
  .page-contact .copy-btn {
    transition: none;
  }

  .page-contact .contact-tile:hover,
  .page-contact .coop-tile:hover,
  .page-contact .coop-tile:focus-visible {
    transform: none;
  }
}
<<<END>>>