.page-contact {
  --pc-edge: rgba(11, 31, 58, 0.14);
  --pc-soft: rgba(246, 241, 231, 0.72);
  --pc-gap: clamp(16px, 2.6vw, 30px);
  --pc-pad: clamp(20px, 3vw, 34px);
  --pc-radius: 6px;
  background: var(--c-paper);
  color: var(--c-navy);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  margin: 0;
  line-height: 1.16;
}

.page-contact p {
  margin: 0;
}

.page-contact .eyebrow {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--c-clay);
  margin: 0 0 10px;
}

.page-contact .eyebrow--onDark {
  color: var(--c-lime);
}

.page-contact .section-head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .section-head--tight {
  margin-bottom: 16px;
}

.page-contact .section-head__title {
  font-size: clamp(24px, 4.4vw, 40px);
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--c-navy);
}

.page-contact .section-head > p:not(.eyebrow) {
  margin-top: 12px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-rock);
}

.page-contact .section-head--onDark .section-head__title {
  color: var(--c-paper);
}

.page-contact .section-head--onDark > p:not(.eyebrow) {
  color: var(--pc-soft);
}

.page-contact .inline-link {
  color: var(--c-navy);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid var(--c-red);
  padding-bottom: 1px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .inline-link:hover {
  color: var(--c-red);
  border-color: var(--c-orange);
}

.page-contact .inline-link--light {
  color: var(--c-paper);
  border-color: var(--c-lime);
}

.page-contact .inline-link--light:hover {
  color: var(--c-lime);
}

/* ---------- 首屏 ---------- */
.contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 24px) 0 clamp(44px, 7vw, 88px);
  background: var(--c-paper);
}

.contact-hero::before {
  content: "";
  position: absolute;
  top: -8%;
  right: -18%;
  width: 88%;
  height: 82%;
  background: linear-gradient(148deg, var(--c-slate) 0%, var(--c-navy) 58%, var(--c-moss) 128%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 56%);
  z-index: 0;
}

.contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 58%;
  height: 6px;
  background: linear-gradient(90deg, var(--c-red), var(--c-orange));
  transform: rotate(-1.2deg);
  transform-origin: left center;
  z-index: 1;
}

.page-contact .breadcrumbs {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--c-rock);
}

.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--c-red);
}

.page-contact .breadcrumbs__link {
  color: var(--c-navy);
  text-decoration: none;
  border-bottom: 1px solid var(--c-red);
}

.page-contact .breadcrumbs__link:hover {
  color: var(--c-red);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(32px, 7vw, 62px);
  font-weight: 900;
  letter-spacing: 0.005em;
  color: var(--c-navy);
}

.hero-lead {
  margin-top: clamp(14px, 2vw, 20px) !important;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--c-rock);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font-sans);
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease),
    border-color 0.18s var(--ease);
}

.page-contact .btn:hover {
  transform: translateY(-2px);
}

.page-contact .btn--flare {
  background: var(--c-red);
  color: var(--c-paper);
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  padding-right: 28px;
}

.page-contact .btn--flare:hover {
  background: var(--c-red-bright);
}

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

.page-contact .btn--line:hover {
  background: var(--c-navy);
  color: var(--c-paper);
}

.hero-media {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--c-slate);
  border-radius: var(--pc-radius);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 12% 100%);
  box-shadow: var(--shadow-panel);
}

.hero-media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.hero-media .media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  background: rgba(11, 31, 58, 0.88);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 8px 14px;
}

/* ---------- 服务类型筛选 ---------- */
.advice {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0 clamp(36px, 5vw, 64px);
}

.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-contact .filter-btn {
  appearance: none;
  border: 1px solid var(--pc-edge);
  background: transparent;
  color: var(--c-navy);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 9px 17px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .filter-btn:hover {
  border-color: var(--c-red);
  color: var(--c-red);
}

.page-contact .filter-btn[aria-pressed="true"],
.page-contact .filter-btn.is-active {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-navy);
  font-weight: 700;
}

.advice-grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 24px);
  padding-bottom: 18px;
}

.advice-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--pc-edge);
  border-radius: var(--pc-radius);
  padding: var(--pc-pad);
  box-shadow: 0 20px 42px -36px rgba(11, 31, 58, 0.7);
}

.advice-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 5px;
  height: 62px;
  background: var(--c-red);
}

.advice-card h3 {
  margin-top: 14px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 900;
  color: var(--c-navy);
}

.advice-card > p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-rock);
}

.page-contact .exhibit-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-clay);
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 4px 9px 4px 14px;
  position: relative;
}

.page-contact .exhibit-tag::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 50%;
  width: 5px;
  height: 5px;
  background: currentColor;
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .exhibit-tag--moss {
  color: var(--c-moss);
}

.page-contact .exhibit-tag--lime {
  color: var(--c-navy);
  background: var(--c-lime);
  border-color: var(--c-lime);
}

.advice-meta {
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed var(--pc-edge);
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-rock);
}

.advice-meta li span {
  display: inline-block;
  min-width: 42px;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-navy);
}

/* ---------- 渠道 + 流程双栏 ---------- */
.consult-split {
  padding: clamp(40px, 6vw, 80px) 0;
  background: linear-gradient(180deg, var(--c-paper) 0%, #efe8db 100%);
}

.split-grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  align-items: start;
}

.channel-panel {
  position: relative;
  overflow: hidden;
  background: var(--c-navy);
  color: var(--c-paper);
  border-radius: var(--pc-radius);
  padding: var(--pc-pad);
  box-shadow: var(--shadow-panel);
}

.channel-panel::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, var(--c-red) 0%, rgba(201, 43, 33, 0) 68%);
  opacity: 0.6;
  pointer-events: none;
}

.channel-title {
  font-size: clamp(22px, 3.4vw, 32px);
  font-weight: 900;
  color: var(--c-paper);
}

.channel-rows {
  position: relative;
  z-index: 1;
  margin-top: 18px;
}

.channel-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(246, 241, 231, 0.16);
}

.channel-key {
  flex: 0 0 100%;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--c-lime);
}

.channel-value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 500;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .copy-btn {
  appearance: none;
  flex: 0 0 auto;
  border: 1px solid rgba(182, 240, 74, 0.55);
  background: transparent;
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .copy-btn:hover {
  background: rgba(182, 240, 74, 0.16);
}

.page-contact .copy-btn[data-state="done"] {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-navy);
  font-weight: 700;
}

.channel-note {
  position: relative;
  z-index: 1;
  margin-top: 18px !important;
  padding-left: 14px;
  border-left: 2px solid var(--c-orange);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pc-soft);
}

.flow {
  background: #fff;
  border: 1px solid var(--pc-edge);
  border-radius: var(--pc-radius);
  padding: var(--pc-pad);
  box-shadow: 0 24px 48px -40px rgba(11, 31, 58, 0.7);
}

.flow-media {
  position: relative;
  margin: 0 0 6px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 4px;
  background: var(--c-slate);
}

.flow-media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.flow-media .media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 100%;
  background: rgba(11, 31, 58, 0.86);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 7px 12px;
}

.flow-step {
  border-top: 1px solid var(--pc-edge);
  padding: 0;
}

.flow-step:first-of-type {
  border-top: none;
}

.flow-step > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 26px 16px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 700;
  color: var(--c-navy);
}

.flow-step > summary::-webkit-details-marker {
  display: none;
}

.flow-step > summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-red);
}

.flow-step[open] > summary::after {
  content: "–";
}

.flow-step__mark {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-clay);
}

.flow-step > p {
  padding: 0 0 18px 34px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-rock);
}

/* ---------- 展示模板 ---------- */
.templates {
  padding: clamp(44px, 6vw, 88px) 0 clamp(36px, 5vw, 60px);
}

.tpl-list {
  display: grid;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.tpl-item {
  position: relative;
  padding: clamp(20px, 2.8vw, 28px);
  color: var(--c-paper);
  clip-path: polygon(0 0, 100% 0, calc(100% - 26px) 100%, 0 100%);
  border-radius: 2px;
}

.tpl-item:nth-child(1) {
  background: var(--c-navy);
}

.tpl-item:nth-child(2) {
  background: var(--c-moss);
}

.tpl-item:nth-child(3) {
  background: var(--c-clay);
}

.tpl-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-navy);
  background: var(--c-lime);
  padding: 3px 9px;
  transform: rotate(-3deg);
}

.tpl-item h3 {
  margin-top: 14px;
  font-size: clamp(19px, 2.3vw, 23px);
  font-weight: 900;
  color: var(--c-paper);
}

.tpl-item > p {
  margin-top: 10px;
  padding-right: 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(246, 241, 231, 0.86);
}

.tpl-foot {
  margin-top: clamp(18px, 3vw, 26px) !important;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-rock);
  max-width: 68ch;
}

/* ---------- 准备清单 ---------- */
.prep {
  padding: clamp(30px, 4vw, 48px) 0 clamp(44px, 6vw, 72px);
}

.prep-box {
  background: #fff;
  border: 1px solid var(--pc-edge);
  border-left: 5px solid var(--c-red);
  border-radius: var(--pc-radius);
  padding: clamp(18px, 2.6vw, 28px);
}

.prep-box > summary {
  display: block;
  cursor: pointer;
  list-style: none;
}

.prep-box > summary::-webkit-details-marker {
  display: none;
}

.prep-box__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-orange);
  background: rgba(255, 138, 42, 0.14);
  padding: 4px 10px;
  border-radius: 2px;
}

.prep-box__title {
  display: block;
  margin-top: 12px;
  font-size: clamp(20px, 2.8vw, 27px);
  font-weight: 900;
  color: var(--c-navy);
}

.prep-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.prep-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-rock);
}

.prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 11px;
  height: 2px;
  background: var(--c-clay);
  transform: rotate(-26deg);
}

.prep-note {
  margin-top: 18px !important;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-edge);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--c-rock);
}

/* ---------- 服务范围 ---------- */
.coverage {
  position: relative;
  overflow: hidden;
  background: var(--c-navy);
  color: var(--c-paper);
  padding: clamp(44px, 6vw, 88px) 0;
}

.coverage::before {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -30%;
  width: 60%;
  height: 90%;
  background: linear-gradient(120deg, rgba(63, 107, 79, 0.5), rgba(11, 31, 58, 0));
  clip-path: polygon(0 30%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.coverage .shell {
  position: relative;
  z-index: 1;
}

.metrics {
  display: grid;
  gap: 18px 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(20px, 3vw, 32px);
}

.metric {
  border-left: 2px solid var(--c-red);
  padding-left: 14px;
}

.metric-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 600;
  line-height: 1.1;
  color: var(--c-lime);
}

.metric-label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--pc-soft);
}

.coverage-foot {
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 18px;
  border-top: 1px solid rgba(246, 241, 231, 0.18);
}

.coverage-foot p {
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pc-soft);
}

/* ---------- 备案信息条 ---------- */
.legal-strip {
  background: var(--c-slate);
  color: var(--pc-soft);
}

.legal-strip__inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 0;
}

.legal-strip__item {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .advice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 22px;
  }

  .metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .legal-strip__inner {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 24px;
  }
}

@media (min-width: 760px) {
  .advice-card:nth-child(even) {
    transform: translateY(18px);
  }

  .advice-grid {
    padding-bottom: 34px;
  }

  .tpl-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .tpl-item:nth-child(2) {
    transform: translateY(22px);
  }

  .tpl-item:nth-child(3) {
    transform: translateY(-8px);
  }

  .templates {
    padding-bottom: clamp(64px, 7vw, 96px);
  }
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .hero-media {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 960px) {
  .split-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .channel-panel {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .btn,
  .page-contact .filter-btn,
  .page-contact .copy-btn {
    transition: none;
  }

  .page-contact .btn:hover,
  .advice-card:nth-child(even),
  .tpl-item:nth-child(2),
  .tpl-item:nth-child(3) {
    transform: none;
  }
}