.page-contact {
  --pc-white: #ffffff;
  --pc-muted: #4C6A78;
  --pc-hair: rgba(20, 92, 122, 0.16);
  background: var(--yl-porcelain);
  color: var(--yl-ink);
  font-family: var(--yl-font-body);
  line-height: 1.8;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  font-family: var(--yl-font-head);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact h2 {
  font-size: clamp(1.55rem, 3.4vw, 2.3rem);
}

.page-contact h3 {
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact p {
  margin: 0;
}

.page-contact .pc-eyebrow {
  display: inline-block;
  font-family: var(--yl-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--yl-blue);
  margin: 0 0 10px;
}

.page-contact a {
  color: var(--yl-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-contact a:hover {
  color: var(--yl-coral);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 36px) 0 clamp(44px, 7vw, 80px);
  background: linear-gradient(155deg, var(--yl-deep) 0%, #082a3d 58%, #0d4059 100%);
  color: var(--yl-porcelain);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -46%;
  width: 92%;
  height: 460px;
  background: repeating-linear-gradient(135deg, rgba(44, 124, 154, 0.22) 0 10px, transparent 10px 26px);
  transform: rotate(-7deg);
  pointer-events: none;
}

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

.page-contact .pc-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 236, 0.7);
}

.page-contact .pc-crumbs a {
  color: rgba(247, 244, 236, 0.82);
  text-decoration: none;
}

.page-contact .pc-crumbs a:hover {
  color: var(--yl-orange-soft);
}

.page-contact .pc-crumbs [aria-current="page"] {
  color: var(--yl-orange-soft);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 48px);
  align-items: center;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-contact .contact-hero .pc-eyebrow {
  color: var(--yl-orange-soft);
}

.page-contact .contact-hero h1 {
  font-size: clamp(1.95rem, 5.6vw, 3.3rem);
  color: var(--yl-porcelain);
  margin-top: 2px;
}

.page-contact .hero-lede {
  margin-top: 18px;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  color: rgba(247, 244, 236, 0.84);
}

.page-contact .hero-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .hero-points li {
  display: flex;
  gap: 11px;
  align-items: baseline;
  font-size: 14.5px;
  color: rgba(247, 244, 236, 0.82);
}

.page-contact .hero-points__key {
  flex: none;
  font-family: var(--yl-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yl-deep);
  background: var(--yl-orange-soft);
  border-radius: var(--yl-radius-pill);
  padding: 3px 10px;
}

.page-contact .hero-figure {
  margin: 0;
  border-radius: var(--yl-radius-lg);
  overflow: hidden;
  border: 1px solid rgba(220, 239, 245, 0.24);
  background: rgba(220, 239, 245, 0.08);
  box-shadow: 0 26px 62px rgba(0, 0, 0, 0.3);
}

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

.page-contact .hero-figure__caption {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 236, 0.74);
  padding: 12px 16px;
  border-top: 1px solid rgba(220, 239, 245, 0.18);
  background: rgba(8, 40, 58, 0.5);
}

/* ---------- 工作台 ---------- */
.page-contact .contact-workbench,
.page-contact .contact-record,
.page-contact .contact-subscribe,
.page-contact .contact-reach {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-contact .workbench-head {
  max-width: 46em;
}

.page-contact .workbench-lede {
  margin-top: 14px;
  font-size: 16px;
  color: var(--pc-muted);
}

.page-contact .workbench-links {
  margin-top: 12px;
  font-size: 14px;
  color: var(--pc-muted);
}

.page-contact .workbench {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .bench {
  border-radius: var(--yl-radius-lg);
  padding: 22px 20px 24px;
  background: var(--pc-white);
  border: 1px solid var(--pc-hair);
  box-shadow: var(--yl-shadow-soft);
}

.page-contact .bench__label {
  font-family: var(--yl-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--yl-orange);
  margin: 0 0 6px;
}

.page-contact .bench h3 {
  color: var(--yl-deep);
  margin-bottom: 16px;
}

.page-contact .bench--form {
  background: linear-gradient(180deg, #ffffff 0%, var(--yl-mist) 100%);
  border-color: rgba(20, 92, 122, 0.24);
}

.page-contact .bench--receipt {
  background: linear-gradient(170deg, var(--yl-deep) 0%, #0a3247 100%);
  border-color: transparent;
  color: var(--yl-porcelain);
}

.page-contact .bench--receipt h3 {
  color: var(--yl-porcelain);
}

.page-contact .bench--receipt .bench__label {
  color: var(--yl-orange-soft);
}

.page-contact .pick-group {
  margin-bottom: 20px;
}

.page-contact .pick-group:last-child {
  margin-bottom: 0;
}

.page-contact .pick-group__label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yl-blue);
  margin-bottom: 9px;
}

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

.page-contact .chip-radio {
  position: relative;
  display: inline-flex;
}

.page-contact .chip-radio input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-contact .chip-radio span {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--yl-radius-pill);
  border: 1px solid rgba(20, 92, 122, 0.26);
  background: var(--pc-white);
  color: var(--yl-blue);
  font-size: 14px;
  font-weight: 600;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-contact .chip-radio input:checked + span {
  background: var(--yl-orange);
  border-color: var(--yl-orange);
  color: #ffffff;
}

.page-contact .chip-radio input:focus-visible + span {
  outline: 2px solid var(--yl-coral);
  outline-offset: 2px;
}

.page-contact .channel-list {
  display: grid;
  gap: 4px;
}

.page-contact .channel-pick {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--yl-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-contact .channel-pick input {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-contact .channel-pick__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: none;
}

.page-contact .channel-pick__dot--home { background: var(--yl-blue); }
.page-contact .channel-pick__dot--download { background: var(--yl-orange); }
.page-contact .channel-pick__dot--news { background: var(--yl-coral); }
.page-contact .channel-pick__dot--faqs { background: var(--yl-mid); }
.page-contact .channel-pick__dot--feedback { background: var(--yl-deep); }
.page-contact .channel-pick__dot--brand { background: var(--yl-line); }

.page-contact .channel-pick__name {
  font-size: 14px;
  color: var(--yl-ink);
}

.page-contact .channel-pick:has(input:checked) {
  background: var(--yl-mist);
  border-color: rgba(20, 92, 122, 0.26);
}

.page-contact .channel-pick input:checked ~ .channel-pick__name {
  font-weight: 700;
  color: var(--yl-deep);
}

.page-contact .field {
  margin-bottom: 16px;
}

.page-contact .field__label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--yl-blue);
  margin-bottom: 7px;
}

.page-contact .field__input {
  width: 100%;
  font-family: var(--yl-font-body);
  font-size: 15px;
  line-height: 1.7;
  padding: 10px 12px;
  border-radius: var(--yl-radius-sm);
  border: 1px solid rgba(20, 92, 122, 0.3);
  background: var(--pc-white);
  color: var(--yl-ink);
  resize: vertical;
}

.page-contact .field__input::placeholder {
  color: #7D97A4;
}

.page-contact .field__input:focus {
  outline: 2px solid var(--yl-coral);
  outline-offset: 1px;
  border-color: var(--yl-coral);
}

.page-contact .field-hint {
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--pc-muted);
}

.page-contact .receipt-code {
  font-family: var(--yl-font-mono);
  font-size: clamp(1.5rem, 4vw, 1.9rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yl-orange-soft);
  margin-bottom: 16px;
  word-break: break-all;
}

.page-contact .receipt-list {
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid rgba(220, 239, 245, 0.2);
}

.page-contact .receipt-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(220, 239, 245, 0.2);
}

.page-contact .receipt-row dt {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: rgba(247, 244, 236, 0.62);
}

.page-contact .receipt-row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--yl-porcelain);
  text-align: right;
}

.page-contact .receipt-note {
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 244, 236, 0.74);
}

/* ---------- 第7版反馈记录 ---------- */
.page-contact .contact-record {
  background: var(--pc-white);
}

.page-contact .record-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-contact .record-lede {
  margin-top: 14px;
  font-size: 16px;
  color: var(--pc-muted);
}

.page-contact .record-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.page-contact .record-stat {
  padding: 14px 12px;
  border-radius: var(--yl-radius-md);
  background: var(--yl-mist);
  border-left: 3px solid var(--yl-orange);
}

.page-contact .record-stat__num {
  display: block;
  font-family: var(--yl-font-mono);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--yl-deep);
}

.page-contact .record-stat__cap {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--pc-muted);
}

.page-contact .record-steps {
  list-style: none;
  counter-reset: step;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .record-steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 42px;
}

.page-contact .record-steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--yl-mist);
  color: var(--yl-deep);
  font-family: var(--yl-font-mono);
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.page-contact .record-steps > li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 44px;
  bottom: 2px;
  width: 1px;
  background: var(--pc-hair);
}

.page-contact .record-steps details {
  border-bottom: 1px solid var(--pc-hair);
  padding-bottom: 12px;
}

.page-contact .record-steps > li:last-child details {
  border-bottom: none;
}

.page-contact .record-steps summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 12px 28px 8px 0;
  font-family: var(--yl-font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--yl-deep);
}

.page-contact .record-steps summary::-webkit-details-marker {
  display: none;
}

.page-contact .record-steps summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 10px;
  font-family: var(--yl-font-mono);
  font-size: 16px;
  color: var(--yl-mid);
}

.page-contact .record-steps details[open] summary::after {
  content: "−";
}

.page-contact .record-steps p {
  font-size: 15px;
  color: var(--pc-muted);
  padding-bottom: 4px;
}

.page-contact .record-figure {
  margin: 0;
  border-radius: var(--yl-radius-lg);
  overflow: hidden;
  background: var(--yl-mist);
  border: 1px solid var(--pc-hair);
}

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

.page-contact .record-figure figcaption {
  padding: 12px 16px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--pc-muted);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .record-link {
  margin-top: clamp(24px, 4vw, 34px);
  padding-top: 16px;
  border-top: 1px solid var(--pc-hair);
  font-size: 14.5px;
  color: var(--pc-muted);
}

/* ---------- 订阅设置 ---------- */
.page-contact .contact-subscribe {
  background: var(--yl-mist);
}

.page-contact .sub-lede {
  margin-top: 14px;
  max-width: 44em;
  font-size: 16px;
  color: var(--pc-muted);
}

.page-contact .sub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-contact .sub-list {
  display: grid;
  gap: 10px;
}

.page-contact .sub-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 13px 16px;
  border-radius: var(--yl-radius-md);
  background: var(--pc-white);
  border: 1px solid rgba(20, 92, 122, 0.14);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .sub-item:hover {
  border-color: rgba(20, 92, 122, 0.34);
  box-shadow: 0 10px 24px rgba(11, 59, 82, 0.08);
}

.page-contact .sub-item input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.page-contact .sub-item__switch {
  position: relative;
  flex: none;
  width: 40px;
  height: 22px;
  border-radius: var(--yl-radius-pill);
  background: var(--yl-line);
  transition: background 0.2s ease;
}

.page-contact .sub-item__switch::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  transition: transform 0.2s ease;
}

.page-contact .sub-item input:checked ~ .sub-item__switch {
  background: var(--yl-coral);
}

.page-contact .sub-item input:checked ~ .sub-item__switch::after {
  transform: translateX(18px);
}

.page-contact .sub-item input:focus-visible ~ .sub-item__switch {
  outline: 2px solid var(--yl-blue);
  outline-offset: 2px;
}

.page-contact .sub-item__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-contact .sub-item__text strong {
  font-size: 15px;
  font-weight: 800;
  color: var(--yl-deep);
  line-height: 1.4;
}

.page-contact .sub-item__text em {
  font-style: normal;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--pc-muted);
}

.page-contact .sub-side {
  padding: 20px;
  border-radius: var(--yl-radius-lg);
  background: var(--pc-white);
  border: 1px solid rgba(20, 92, 122, 0.14);
}

.page-contact .sub-side__label {
  font-family: var(--yl-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--yl-blue);
  margin-bottom: 10px;
}

.page-contact .chip-row--static {
  margin-bottom: 16px;
}

.page-contact .chip-static {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: var(--yl-radius-pill);
  border: 1px solid rgba(20, 92, 122, 0.24);
  font-size: 13.5px;
  color: var(--pc-muted);
}

.page-contact .chip-static--on {
  background: var(--yl-mist);
  border-color: rgba(20, 92, 122, 0.34);
  color: var(--yl-deep);
  font-weight: 700;
}

.page-contact .sub-side__note {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--pc-muted);
  margin-bottom: 10px;
}

.page-contact .sub-side__note:last-child {
  margin-bottom: 0;
}

/* ---------- 联系方式 ---------- */
.page-contact .contact-reach {
  background: var(--pc-white);
}

.page-contact .reach-lede {
  margin-top: 14px;
  max-width: 40em;
  font-size: 16px;
  color: var(--pc-muted);
}

.page-contact .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-contact .reach-card {
  padding: 20px 18px;
  border-radius: var(--yl-radius-md);
  background: var(--yl-porcelain);
  border-left: 3px solid var(--yl-blue);
}

.page-contact .reach-card:nth-child(2) {
  border-left-color: var(--yl-coral);
}

.page-contact .reach-card:nth-child(3) {
  border-left-color: var(--yl-orange);
}

.page-contact .reach-card:nth-child(4) {
  border-left-color: var(--yl-mid);
}

.page-contact .reach-card__label {
  font-family: var(--yl-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--pc-muted);
  margin-bottom: 8px;
}

.page-contact .reach-card__value {
  font-family: var(--yl-font-head);
  font-size: 16px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--yl-deep);
  word-break: break-word;
}

.page-contact .reach-card__value--mono {
  font-family: var(--yl-font-mono);
  letter-spacing: 0.02em;
}

.page-contact .reach-card__note {
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--pc-muted);
}

.page-contact .reach-foot {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--pc-hair);
  font-size: 13.5px;
  color: var(--pc-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .bench {
    padding: 26px 24px 28px;
  }

  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

@media (min-width: 940px) {
  .page-contact .workbench {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.3fr) minmax(0, 0.92fr);
    gap: 18px;
    align-items: start;
  }

  .page-contact .record-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-contact .sub-grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
  }
}

@media (min-width: 1080px) {
  .page-contact .reach-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}