.page-contact {
  --pc-cut: 20px;
  --pc-gap: clamp(0.9rem, 2.2vw, 1.5rem);
  position: relative;
  overflow-x: clip;
  color: var(--score);
  font-family: var(--font-sans);
  background:
    radial-gradient(120% 58% at 90% -8%, rgba(255, 107, 26, 0.14), transparent 62%),
    radial-gradient(90% 52% at 2% 104%, rgba(122, 92, 255, 0.13), transparent 60%),
    var(--night);
}

/* ---------- hero ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(2rem, 5.5vw, 4.2rem) 0 clamp(1.6rem, 4vw, 2.8rem);
}

.page-contact .contact-hero__kicker {
  margin: 1.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--whistle);
}

.page-contact .contact-hero h1 {
  margin: 0.55rem 0 0;
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  overflow-wrap: break-word;
  max-width: 20ch;
}

.page-contact .contact-hero h1::after {
  content: "";
  display: block;
  width: 88px;
  height: 5px;
  margin-top: 1.1rem;
  background: var(--whistle);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-contact .contact-hero__lede {
  margin: 1.4rem 0 0;
  max-width: 66ch;
  color: var(--muted);
  font-size: clamp(0.96rem, 1.5vw, 1.06rem);
  line-height: 1.85;
}

.page-contact .contact-hero__quick {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 680px) {
  .page-contact .contact-hero__quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .contact-hero__quick li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.75rem 0.95rem;
  background: rgba(16, 38, 28, 0.72);
  border-left: 2px solid var(--line);
  min-width: 0;
}

.page-contact .contact-hero__qk {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-soft);
}

.page-contact .contact-hero__qv {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--score);
}

/* ---------- 章节标题 ---------- */
.page-contact .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.2rem 1rem;
  align-items: start;
  margin: 0 0 clamp(1.3rem, 3vw, 2.1rem);
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.page-contact .sec-head__idx {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.2vw, 2.1rem);
  line-height: 0.9;
  color: var(--whistle);
}

.page-contact .sec-head__body {
  min-width: 0;
}

.page-contact .sec-head__body h2 {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.8rem);
  letter-spacing: -0.015em;
  line-height: 1.22;
  overflow-wrap: break-word;
}

.page-contact .sec-head__body p {
  margin: 0.45rem 0 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.72;
}

/* ---------- 三个区块的公共纵向节奏 ---------- */
.page-contact .contact-routes,
.page-contact .mail-guide,
.page-contact .tablet-entry-sec,
.page-contact .response,
.page-contact .partner,
.page-contact .citation {
  position: relative;
  padding-block: clamp(1.7rem, 4.4vw, 3.1rem);
}

/* ---------- 01 到达方式 ---------- */
.page-contact .route-grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 720px) {
  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .route-card--tablet {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1080px) {
  .page-contact .route-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .page-contact .route-card--tablet {
    grid-column: auto;
  }
}

.page-contact .route-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
  padding: clamp(1.05rem, 2.4vw, 1.6rem);
  background: var(--stand);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
  transition: border-color 200ms ease-out, background-color 200ms ease-out;
}

.page-contact .route-card:hover {
  border-color: var(--turf);
}

.page-contact .route-card--tablet {
  background:
    linear-gradient(155deg, rgba(255, 107, 26, 0.18) 0%, rgba(16, 38, 28, 0.96) 54%),
    var(--stand);
  border-color: var(--whistle);
}

.page-contact .route-card--tablet .route-card__desc {
  max-width: 58ch;
}

.page-contact .route-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.67rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--whistle-soft);
}

.page-contact .route-card__title {
  margin: 0;
  font-size: clamp(1.08rem, 2.1vw, 1.34rem);
  letter-spacing: -0.01em;
  line-height: 1.3;
  overflow-wrap: break-word;
}

.page-contact .route-card__desc {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.78;
}

.page-contact .route-card__mono {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.86rem, 1.7vw, 1rem);
  letter-spacing: 0.01em;
  color: var(--score);
  background: rgba(10, 27, 20, 0.85);
  border-left: 3px solid var(--whistle);
  padding: 0.65rem 0.8rem;
  overflow-wrap: anywhere;
}

.page-contact .route-card__mono--call {
  border-left-color: var(--neon);
}

.page-contact .route-card__hint {
  margin: 0;
  font-size: 0.81rem;
  line-height: 1.62;
  color: var(--muted);
}

.page-contact .route-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* 展开组（页面内轻量覆盖，不改动全局定义） */
.page-contact .disclosure {
  border: 1px dashed var(--line);
  background: rgba(10, 27, 20, 0.55);
}

.page-contact .disclosure__trigger {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.68rem 0.85rem;
  background: none;
  border: 0;
  color: var(--score);
  font-family: inherit;
  font-size: 0.89rem;
  text-align: left;
  cursor: pointer;
}

.page-contact .disclosure__idx {
  font-family: var(--font-mono);
  font-weight: 900;
  color: var(--whistle);
  line-height: 1;
}

.page-contact .disclosure__panel {
  padding: 0 0.9rem 0.85rem;
}

.page-contact .mini-list {
  margin: 0;
  padding: 0 0 0 1rem;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.78;
}

.page-contact .mini-list li + li {
  margin-top: 0.3rem;
}

/* ---------- 02 邮件写法 ---------- */
.page-contact .mail-guide__grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 960px) {
  .page-contact .mail-guide__grid {
    grid-template-columns: 1.55fr 1fr;
    align-items: start;
  }
}

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

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .checklist li:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .checklist li::before {
  content: "";
  display: block;
  width: 17px;
  height: 17px;
  margin-top: 0.2rem;
  border: 2px solid var(--whistle);
  background: rgba(255, 107, 26, 0.09);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26% 100%, 0 76%);
}

.page-contact .checklist b {
  display: block;
  margin-bottom: 0.28rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--score);
  letter-spacing: -0.005em;
}

.page-contact .checklist span {
  display: block;
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.74;
}

.page-contact .addr-panel {
  padding: clamp(1.05rem, 2.4vw, 1.5rem);
  background: rgba(29, 66, 50, 0.3);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}

.page-contact .addr-panel__title {
  margin: 0 0 1rem;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.page-contact .addr-list {
  margin: 0;
  display: grid;
  gap: 0.95rem;
}

.page-contact .addr-list__row dt {
  margin-bottom: 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--neon-soft);
}

.page-contact .addr-list__row dd {
  margin: 0;
  color: var(--score);
  font-size: 0.91rem;
  line-height: 1.68;
  overflow-wrap: anywhere;
}

.page-contact .addr-list__mono {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.01em;
}

.page-contact .addr-panel__icp {
  margin: 1.1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-contact .addr-panel__link {
  margin: 0.8rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .addr-panel__link a {
  color: var(--whistle);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, 0.45);
}

.page-contact .addr-panel__link a:hover {
  color: var(--whistle-soft);
  border-bottom-color: var(--whistle-soft);
}

/* ---------- 03 平板端入口 ---------- */
.page-contact .tablet-entry__grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .page-contact .tablet-entry__grid {
    grid-template-columns: 1.12fr 1fr;
    align-items: start;
  }
}

.page-contact .tablet-shot {
  margin: 0;
  display: grid;
  gap: 0.7rem;
  min-width: 0;
}

.page-contact .tablet-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--stand);
}

.page-contact .tablet-shot figcaption {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.07em;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .tablet-entry__body {
  min-width: 0;
}

.page-contact .tablet-map {
  display: block;
  width: min(300px, 100%);
  height: auto;
  margin-bottom: 1.3rem;
}

.page-contact .tablet-map .tm-frame {
  fill: none;
  stroke: var(--line);
  stroke-width: 2;
}

.page-contact .tablet-map .tm-row {
  fill: var(--turf);
  opacity: 0.55;
}

.page-contact .tablet-map .tm-entry {
  fill: var(--whistle);
}

.page-contact .tablet-map .tm-label {
  fill: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pc-step;
  display: grid;
  gap: 0;
}

.page-contact .step-list li {
  counter-increment: pc-step;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.82rem 0;
  border-top: 1px dashed var(--line);
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.72;
}

.page-contact .step-list li::before {
  content: counter(pc-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--whistle);
  padding-top: 0.16rem;
}

.page-contact .step-list--wide li {
  font-size: 0.94rem;
  padding: 1rem 0;
}

.page-contact .step-list--wide li b {
  display: block;
  margin-bottom: 0.24rem;
  color: var(--score);
  font-weight: 700;
}

/* ---------- 04 响应节奏 ---------- */
.page-contact .response__grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 860px) {
  .page-contact .response__grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    align-items: stretch;
  }
}

.page-contact .response__stat {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.6rem);
  background: rgba(16, 38, 28, 0.9);
  border-top: 2px solid var(--turf);
}

.page-contact .response__stat--lead {
  background: linear-gradient(150deg, rgba(255, 107, 26, 0.2), rgba(16, 38, 28, 0.94) 62%);
  border-top-color: var(--whistle);
}

.page-contact .response__num {
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(1.5rem, 4.4vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--score);
  overflow-wrap: break-word;
}

.page-contact .response__stat--lead .response__num {
  color: var(--whistle);
}

.page-contact .response__stat p {
  margin: 0;
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.68;
}

/* ---------- 通栏图 ---------- */
.page-contact .contact-wide {
  position: relative;
  margin: 0;
}

.page-contact .contact-wide img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 30vw, 360px);
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-wide::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 27, 20, 0.62) 0%, rgba(10, 27, 20, 0.06) 40%, rgba(10, 27, 20, 0.88) 100%);
}

.page-contact .contact-wide figcaption {
  position: absolute;
  left: clamp(1rem, 4vw, 3rem);
  right: clamp(1rem, 4vw, 3rem);
  bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: var(--whistle-soft);
}

/* ---------- 05 赛事组织方接入 ---------- */
.page-contact .partner__grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 960px) {
  .page-contact .partner__grid {
    grid-template-columns: 1.45fr 1fr;
    align-items: start;
  }
}

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

.page-contact .partner__note {
  margin: 1.2rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--turf);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.74;
}

.page-contact .partner__facts {
  min-width: 0;
  padding: clamp(1rem, 2.4vw, 1.5rem);
  background: rgba(10, 27, 20, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--whistle);
}

.page-contact .partner__facts-title {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
}

.page-contact .fact {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.72rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-contact .fact:last-of-type {
  border-bottom: 0;
}

.page-contact .fact__n {
  flex: 0 0 auto;
  min-width: 3.6ch;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: clamp(1.25rem, 2.9vw, 1.75rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--whistle);
}

.page-contact .fact__t {
  font-size: 0.85rem;
  line-height: 1.62;
  color: var(--muted);
}

.page-contact .partner__facts-note {
  margin: 1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .partner__facts-note a {
  color: var(--whistle);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, 0.45);
}

.page-contact .partner__facts-note a:hover {
  color: var(--whistle-soft);
  border-bottom-color: var(--whistle-soft);
}

/* ---------- 06 引用与使用 ---------- */
.page-contact .citation__body {
  max-width: 72ch;
}

.page-contact .citation__body p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.84;
}

.page-contact .citation__body strong {
  color: var(--score);
  font-weight: 700;
}

.page-contact .citation__body a {
  color: var(--whistle);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, 0.45);
}

.page-contact .citation__body a:hover {
  color: var(--whistle-soft);
  border-bottom-color: var(--whistle-soft);
}

.page-contact .citation__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

/* ---------- 低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card {
    transition: none;
  }
}
<<<END>>>