.page-contact {
  --pc-panel: #14384D;
  --pc-gold-line: rgba(201, 162, 39, 0.3);
  --pc-hairline: rgba(185, 194, 201, 0.14);
  background: var(--ink-900);
  color: var(--silver-400);
  overflow-x: clip;
}

/* ---------- 顶部上下文 ---------- */
.page-contact .contact-topbar {
  padding: 18px 0 4px;
  background: linear-gradient(180deg, var(--ink-950) 0%, rgba(4, 18, 29, 0) 100%);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-contact .breadcrumb__list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  color: rgba(185, 194, 201, 0.36);
}

.page-contact .breadcrumb__link {
  color: var(--silver-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease-crisp), border-color 180ms var(--ease-crisp);
}

.page-contact .breadcrumb__link:hover {
  color: var(--gold-300);
  border-bottom-color: var(--gold-line, rgba(201, 162, 39, 0.4));
}

.page-contact .breadcrumb__current {
  color: var(--gold-500);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(26px, 4.2vw, 52px);
  padding-bottom: clamp(30px, 4.6vw, 56px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -80px -30% auto -12%;
  height: 340px;
  background:
    radial-gradient(60% 70% at 18% 10%, rgba(63, 111, 122, 0.3) 0%, rgba(7, 26, 43, 0) 68%),
    radial-gradient(48% 60% at 88% 0%, rgba(140, 28, 43, 0.16) 0%, rgba(7, 26, 43, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

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

.page-contact .contact-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold-500);
  margin: 0 0 14px;
}

.page-contact .contact-hero h1 {
  margin: 0 0 20px;
  max-width: 17em;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.18;
  letter-spacing: 0.015em;
  color: var(--silver-100);
}

.page-contact .contact-hero .lede {
  margin: 0;
  max-width: 46em;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.9;
  color: var(--silver-400);
}

.page-contact .contact-hero__badges {
  margin-top: clamp(20px, 3vw, 30px);
  gap: 10px;
}

/* ---------- 通用章节 ---------- */
.page-contact .contact-section {
  position: relative;
  padding: clamp(38px, 5.6vw, 76px) 0;
}

.page-contact .contact-section--prep {
  background: linear-gradient(180deg, rgba(13, 43, 63, 0.55) 0%, rgba(7, 26, 43, 0) 100%);
}

.page-contact .contact-section--desk {
  background: linear-gradient(180deg, rgba(20, 56, 77, 0.42) 0%, rgba(7, 26, 43, 0.1) 100%);
  border-top: 1px solid var(--pc-hairline);
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .contact-section--flow {
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .contact-section--time {
  background: linear-gradient(180deg, rgba(63, 111, 122, 0.16) 0%, rgba(7, 26, 43, 0) 92%);
}

.page-contact .contact-section--filing {
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .chapter {
  margin-bottom: clamp(22px, 3.2vw, 38px);
}

.page-contact .chapter__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--gold-500);
  margin-bottom: 10px;
}

.page-contact .chapter__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.34;
  letter-spacing: 0.01em;
  color: var(--silver-100);
}

.page-contact .chapter__lede {
  margin: 0;
  max-width: 44em;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--silver-400);
}

/* ---------- 01 准备清单 ---------- */
.page-contact .prep-split {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

@media (min-width: 940px) {
  .page-contact .prep-split {
    grid-template-columns: minmax(200px, 0.75fr) minmax(0, 2.4fr);
    align-items: start;
  }
}

.page-contact .prep-split__hint {
  margin: 0;
  padding: 18px 20px;
  border-left: 2px solid var(--gold-500);
  background: rgba(20, 56, 77, 0.34);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver-400);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .prep-list__item:first-child {
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .prep-list__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold-300);
  padding-top: 3px;
}

.page-contact .prep-list__title {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--silver-100);
}

.page-contact .prep-list__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--silver-400);
}

.page-contact .contact-note {
  margin-top: clamp(22px, 3vw, 34px);
  border-left: 3px solid var(--wine-600);
}

/* ---------- 02 提交区 ---------- */
.page-contact .contact-desk {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

@media (min-width: 980px) {
  .page-contact .contact-desk {
    grid-template-columns: minmax(240px, 0.86fr) minmax(0, 2.1fr);
    align-items: start;
  }
}

.page-contact .contact-desk__aside {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-contact .contact-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-m);
  border: 1px solid var(--pc-gold-line);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.86) contrast(1.06) brightness(0.86);
}

.page-contact .contact-figure__caption {
  margin: 0;
  padding: 12px 16px 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: rgba(185, 194, 201, 0.72);
  background: rgba(7, 26, 43, 0.72);
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .contact-channel {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-gold-line);
}

.page-contact .contact-channel__row {
  display: grid;
  gap: 4px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .contact-channel__term {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(185, 194, 201, 0.62);
}

.page-contact .contact-channel__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver-100);
}

.page-contact .contact-channel__value--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--gold-300);
  word-break: break-all;
}

.page-contact .feedback-card {
  position: relative;
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid var(--pc-gold-line);
  border-radius: var(--radius-l);
  background:
    linear-gradient(158deg, #17435C 0%, var(--ink-700) 46%, #0E2C40 100%);
  box-shadow: var(--shadow-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-contact .feedback-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 78% at 100% 0%, rgba(232, 203, 107, 0.1) 0%, rgba(232, 203, 107, 0) 58%);
  pointer-events: none;
}

.page-contact .feedback-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .feedback-card__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold-300);
}

.page-contact .feedback-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.4;
  color: var(--silver-100);
}

.page-contact .feedback-card__hint {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(185, 194, 201, 0.78);
}

.page-contact .req {
  color: var(--gold-300);
}

.page-contact .field {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-contact .field__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--gold-300);
}

.page-contact .field__control {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border-radius: var(--radius-s);
  border: 1px solid rgba(185, 194, 201, 0.2);
  background: rgba(7, 26, 43, 0.74);
  color: var(--silver-100);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  transition: border-color 200ms var(--ease-crisp), box-shadow 200ms var(--ease-crisp), background-color 200ms var(--ease-crisp);
}

.page-contact .field__control::placeholder {
  color: rgba(185, 194, 201, 0.44);
}

.page-contact .field__control:hover {
  border-color: rgba(201, 162, 39, 0.42);
}

.page-contact .field__control:focus {
  outline: none;
  border-color: var(--gold-300);
  background: rgba(7, 26, 43, 0.9);
  box-shadow: 0 0 0 3px rgba(232, 203, 107, 0.18);
}

.page-contact .field__control--area {
  min-height: 132px;
  resize: vertical;
}

.page-contact .form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(6px, 1.4vw, 12px);
}

.page-contact .pc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: transform 180ms var(--ease-crisp), background-color 180ms var(--ease-crisp), border-color 180ms var(--ease-crisp), color 180ms var(--ease-crisp);
}

.page-contact .pc-btn--gold {
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--gold-300) 0%, var(--gold-500) 100%);
  color: #0B1A25;
}

.page-contact .pc-btn--gold:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #F3DC8C 0%, var(--gold-500) 100%);
}

.page-contact .pc-btn--ghost {
  border: 1px solid rgba(201, 162, 39, 0.44);
  background: transparent;
  color: var(--silver-100);
}

.page-contact .pc-btn--ghost:hover {
  border-color: var(--gold-300);
  color: var(--gold-300);
}

.page-contact .pc-btn:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: 2px;
}

.page-contact .feedback-card__foot {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-hairline);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(185, 194, 201, 0.76);
}

/* ---------- 03 处理流程 ---------- */
.page-contact .contact-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-hairline);
  border-bottom: 1px solid var(--pc-hairline);
}

.page-contact .contact-step {
  position: relative;
  padding: clamp(20px, 2.8vw, 28px) clamp(16px, 2.2vw, 24px);
  background: linear-gradient(180deg, rgba(20, 56, 77, 0.4) 0%, rgba(13, 43, 63, 0.06) 100%);
}

.page-contact .contact-step + .contact-step {
  border-top: 1px solid var(--pc-hairline);
}

@media (min-width: 800px) {
  .page-contact .contact-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .contact-step + .contact-step {
    border-top: none;
    border-left: 1px solid var(--pc-hairline);
  }
}

.page-contact .contact-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(201, 162, 39, 0.55);
  margin-bottom: 12px;
}

.page-contact .contact-step__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--silver-100);
}

.page-contact .contact-step__body {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--silver-400);
}

.page-contact .contact-step__time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  padding: 4px 10px;
  border: 1px solid rgba(201, 162, 39, 0.34);
  border-radius: 999px;
}

/* ---------- 04 服务时间 ---------- */
.page-contact .time-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

@media (min-width: 860px) {
  .page-contact .time-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }
}

.page-contact .time-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius-m);
  background: rgba(13, 43, 63, 0.6);
}

.page-contact .time-card--primary {
  border-color: var(--pc-gold-line);
  background: linear-gradient(165deg, rgba(63, 111, 122, 0.34) 0%, rgba(13, 43, 63, 0.78) 100%);
}

.page-contact .time-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(185, 194, 201, 0.66);
}

.page-contact .time-card__value {
  color: var(--silver-100);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: 0.02em;
}

.page-contact .time-card--primary .time-card__value {
  color: var(--gold-300);
}

.page-contact .time-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--silver-400);
}

.page-contact .time-foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--pc-gold-line);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(185, 194, 201, 0.82);
}

/* ---------- 05 常见类型 ---------- */
.page-contact .type-accordion {
  display: grid;
  gap: 12px;
}

.page-contact .disclosure {
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius-m);
  background: rgba(13, 43, 63, 0.5);
  overflow: hidden;
  transition: border-color 200ms var(--ease-crisp), background-color 200ms var(--ease-crisp);
}

.page-contact .disclosure.is-open {
  border-color: var(--pc-gold-line);
  background: rgba(20, 56, 77, 0.68);
}

.page-contact .disclosure__trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-height: 60px;
  padding: 16px clamp(16px, 2.2vw, 22px);
  border: none;
  background: transparent;
  text-align: left;
  cursor: pointer;
  color: var(--silver-100);
}

.page-contact .disclosure__trigger:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: -3px;
}

.page-contact .disclosure__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(185, 194, 201, 0.6);
  transition: color 180ms var(--ease-crisp);
}

.page-contact .disclosure.is-open .disclosure__no {
  color: var(--gold-300);
}

.page-contact .disclosure__label {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(15.5px, 1.8vw, 17px);
  line-height: 1.5;
}

.page-contact .disclosure__icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-contact .disclosure__icon::before,
.page-contact .disclosure__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--gold-300);
  transform: translate(-50%, -50%);
  transition: transform 220ms var(--ease-crisp), opacity 220ms var(--ease-crisp);
}

.page-contact .disclosure__icon::before {
  width: 14px;
  height: 1.5px;
}

.page-contact .disclosure__icon::after {
  width: 1.5px;
  height: 14px;
}

.page-contact .disclosure.is-open .disclosure__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-contact .disclosure__panel {
  height: 0;
  overflow: hidden;
  transition: height 260ms var(--ease-crisp);
}

.page-contact .disclosure__inner {
  padding: 0 clamp(16px, 2.2vw, 22px) 20px;
  border-top: 1px solid var(--pc-hairline);
}

.page-contact .disclosure__body {
  padding-top: 16px;
}

.page-contact .disclosure__body p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--silver-400);
}

.page-contact .disclosure__body p:last-child {
  margin-bottom: 0;
}

.page-contact .type-foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(185, 194, 201, 0.82);
}

.page-contact .type-foot a,
.page-contact .filing-aside__note a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 203, 107, 0.4);
  transition: color 180ms var(--ease-crisp), border-color 180ms var(--ease-crisp);
}

.page-contact .type-foot a:hover,
.page-contact .filing-aside__note a:hover {
  color: var(--silver-100);
  border-bottom-color: var(--silver-100);
}

/* ---------- 06 登记与地区 ---------- */
.page-contact .filing-layout {
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

@media (min-width: 940px) {
  .page-contact .filing-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .filing-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pc-gold-line);
}

.page-contact .filing-list__row {
  display: grid;
  gap: 5px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--pc-hairline);
}

@media (min-width: 560px) {
  .page-contact .filing-list__row {
    grid-template-columns: minmax(120px, 0.6fr) minmax(0, 2fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-contact .filing-list__term {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: rgba(185, 194, 201, 0.62);
}

.page-contact .filing-list__value {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver-100);
}

.page-contact .filing-list__value--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--gold-300);
  word-break: break-all;
}

.page-contact .filing-aside {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
}

.page-contact .filing-aside .media-frame {
  border: 1px solid var(--pc-hairline);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-800);
}

.page-contact .filing-aside .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  filter: saturate(0.84) contrast(1.06) brightness(0.84);
}

.page-contact .filing-aside .media-frame__caption {
  margin: 0;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--pc-hairline);
  background: rgba(7, 26, 43, 0.72);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: rgba(185, 194, 201, 0.72);
}

.page-contact .filing-aside__note {
  margin: 0;
  padding: 16px 18px;
  border-left: 2px solid var(--pc-gold-line);
  background: rgba(20, 56, 77, 0.32);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 14px;
  line-height: 1.88;
  color: var(--silver-400);
}

/* ---------- 响应式细化 ---------- */
@media (max-width: 640px) {
  .page-contact .contact-hero h1 {
    max-width: none;
  }

  .page-contact .prep-list__item {
    grid-template-columns: 32px minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .form-actions .pc-btn {
    width: 100%;
  }

  .page-contact .feedback-card {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-btn,
  .page-contact .field__control,
  .page-contact .disclosure,
  .page-contact .disclosure__icon::before,
  .page-contact .disclosure__icon::after,
  .page-contact .disclosure__panel {
    transition: none;
  }

  .page-contact .pc-btn--gold:hover {
    transform: none;
  }
}

.page-contact {
  --gold-line: currentColor;
}