/* 河南分站内页视觉系统
   与首页共享：米白纸张、深绿信息层、青绿信号、黄河金色强调。 */

:root {
  --hi-paper: #f7f4ea;
  --hi-paper-2: #eeeadf;
  --hi-white: #fffef9;
  --hi-ink: #102a27;
  --hi-green: #0e3d35;
  --hi-green-deep: #092b27;
  --hi-teal: #2c9b8f;
  --hi-gold: #e7b84e;
  --hi-gold-soft: #f3d67f;
  --hi-muted: #60716d;
  --hi-rule: rgba(16, 42, 39, 0.14);
  --hi-shadow: 0 22px 60px rgba(16, 42, 39, 0.08);
}

/* ── 共享内页首屏：与首页同源，但保留内页更强的阅读导向 ── */
.page-header {
  isolation: isolate;
  min-height: clamp(25rem, 47vw, 30rem);
  display: grid;
  align-items: center;
  padding-block: clamp(4.6rem, 8vw, 6.3rem);
  border-bottom: 1px solid var(--hi-rule);
  background:
    radial-gradient(circle at 73% 48%, rgba(44, 155, 143, 0.14), transparent 25%),
    radial-gradient(circle at 91% 16%, rgba(44, 155, 143, 0.09), transparent 24%),
    linear-gradient(105deg, var(--hi-paper) 0 48%, #edf4ec 100%);
  color: var(--hi-ink);
}

.page-header::before {
  z-index: -2;
  opacity: 0.58;
  background-image:
    linear-gradient(to right, rgba(16, 42, 39, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16, 42, 39, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(90deg, rgba(0,0,0,.45), #000 45%, rgba(0,0,0,.28));
  mask-image: linear-gradient(90deg, rgba(0,0,0,.45), #000 45%, rgba(0,0,0,.28));
}

.page-header::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: clamp(20rem, 34vw, 34rem);
  aspect-ratio: 1;
  right: clamp(-7rem, 4vw, 4rem);
  top: 50%;
  translate: 0 -50%;
  border: 1px solid rgba(16, 78, 68, 0.15);
  border-radius: 50%;
  box-shadow:
    0 0 0 clamp(3rem, 5vw, 5.4rem) rgba(44, 155, 143, 0.035),
    0 0 0 clamp(6rem, 10vw, 10.5rem) rgba(16, 78, 68, 0.025);
  animation: hi-signal-breathe 7s ease-in-out infinite;
}

.page-header .ph-inner {
  width: min(100%, 80rem);
  max-width: 80rem;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
  text-align: left;
}

.page-header .ph-inner::before {
  content: "";
  position: absolute;
  top: 50%;
  right: clamp(8%, 14vw, 21%);
  width: clamp(12rem, 24vw, 24rem);
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--hi-gold), var(--hi-teal), transparent);
  box-shadow: 0 0 20px rgba(231, 184, 78, 0.35);
  transform: rotate(-7deg);
  transform-origin: center;
  opacity: 0.72;
}

.page-header .ph-inner::after {
  content: "HENAN  /  ANSWER SIGNAL";
  position: absolute;
  right: clamp(1.25rem, 4vw, 2.5rem);
  bottom: -3.8rem;
  color: rgba(14, 61, 53, 0.56);
  font: 800 0.66rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.16em;
}

.page-header .ph-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  margin-bottom: 1.35rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--hi-green);
  font: 800 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.16em;
}

.page-header .ph-eyebrow::before {
  content: "";
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--hi-gold);
  box-shadow: 0 0 0 5px rgba(231, 184, 78, 0.15);
}

.page-header h1 {
  max-width: 13ch;
  color: var(--hi-ink);
  font-size: clamp(2.75rem, 5.2vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.page-header h1 .hl {
  position: relative;
  display: inline-block;
  color: var(--hi-teal);
}

.page-header h1 .hl::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: -0.04em;
  bottom: 0.02em;
  height: 0.13em;
  background: linear-gradient(90deg, var(--hi-gold-soft), var(--hi-gold));
  transform: rotate(-0.8deg);
}

.page-header .ph-sub {
  max-width: 44rem;
  margin: 1.35rem 0 0;
  color: var(--hi-muted);
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.85;
}

@keyframes hi-signal-breathe {
  0%, 100% { transform: scale(0.985); opacity: 0.72; }
  50% { transform: scale(1.02); opacity: 1; }
}

/* ── 共享章节秩序 ── */
main > .section {
  padding-block: clamp(4.5rem, 7vw, 6.25rem);
  background-color: var(--hi-white);
}

main > .section.bg-cream {
  background:
    linear-gradient(rgba(16, 42, 39, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 42, 39, 0.025) 1px, transparent 1px),
    var(--hi-paper-2);
  background-size: 72px 72px;
}

main > .section:nth-of-type(odd):not(.cta-band):not(.bg-dark) {
  background-color: var(--hi-paper);
}

.section-head {
  max-width: 49rem;
  margin-bottom: clamp(2rem, 4vw, 3.2rem);
}

.section-head h2,
.local-grid h2,
.why-aside h2,
.cta-band h2 {
  color: var(--hi-ink);
  font-size: clamp(2.15rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-head .lead,
.why-aside p {
  color: var(--hi-muted);
  font-size: 1rem;
  line-height: 1.82;
}

.section-head .hl,
.local-grid .hl,
.why-aside .hl {
  color: var(--hi-teal);
}

.kicker {
  gap: 0.65rem;
  margin-bottom: 1.25rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--hi-green);
  font: 800 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.14em;
}

.kicker::before {
  content: "";
  width: 1.8rem;
  height: 1px;
  background: var(--hi-teal);
}

/* ── 方法论：信号矩阵与交付清单 ── */
.method-overview {
  gap: 1px;
  padding: 1px;
  background: var(--hi-rule);
}

.method-overview-item {
  min-height: 8.6rem;
  border: 0;
  border-top: 3px solid var(--hi-gold);
  border-radius: 0;
  background: rgba(255, 254, 249, 0.94);
  padding: 1.2rem;
}

.method-overview-item:nth-child(2) { border-top-color: var(--hi-teal); }
.method-overview-item:nth-child(3) { border-top-color: var(--hi-green); }

.method-overview-item strong { color: var(--hi-green); }

.steps-grid { gap: 1px; background: var(--hi-rule); padding: 1px; }

.summit-card {
  min-height: 9rem;
  border: 0;
  border-radius: 0;
  background: var(--hi-white);
  box-shadow: none;
  padding: 1.15rem;
}

.summit-card::before {
  width: 2.8rem;
  height: 3px;
  inset: 0 auto auto 1.15rem;
  background: var(--hi-teal);
}

.summit-card:hover {
  z-index: 2;
  background: #eef6f2;
  box-shadow: var(--hi-shadow);
  transform: translateY(-2px);
}

.summit-card.summit {
  border: 0;
  border-radius: 0;
  background: linear-gradient(145deg, var(--hi-green-deep), var(--hi-green));
  box-shadow: none;
}

.summit-card.summit::before { background: var(--hi-gold); }
.summit-card .step-name { color: var(--hi-green); }

.deliver-panel { margin-top: 3.25rem; padding-top: 2.6rem; border-color: var(--hi-rule); }
.deliver-head h3 { color: var(--hi-green); font-size: clamp(1.75rem, 3vw, 2.35rem); }

.deliver-table-wrap {
  border-color: var(--hi-rule);
  border-radius: 0;
  box-shadow: var(--hi-shadow);
}

.deliver-table thead th { background: var(--hi-green); color: #fffef9; }
.deliver-table tbody td { background: rgba(255, 254, 249, 0.92); }
.deliver-table tbody tr:hover td { background: #edf6f1; }
.deliver-table .d-name { color: var(--hi-green); }

/* ── 服务流程：同一系统中的纵向执行路径 ── */
.service-flow-intro { gap: 1px; padding: 1px; background: var(--hi-rule); }

.service-flow-intro a {
  min-height: 9.25rem;
  border: 0;
  border-radius: 0;
  background: var(--hi-white);
  padding: 1.25rem;
}

.service-flow-intro a:nth-child(2) { background: #eef5ef; }
.service-flow-intro a:nth-child(3) { background: var(--hi-green); }
.service-flow-intro a:nth-child(3) span { color: var(--hi-gold-soft); }
.service-flow-intro a:nth-child(3) strong { color: white; }
.service-flow-intro a:nth-child(3) p { color: rgba(255,255,255,.68); }

.service-flow-intro a:hover {
  border-color: transparent;
  background: #e5f2ec;
  transform: translateY(-3px);
  box-shadow: var(--hi-shadow);
}

.service-flow-intro a:nth-child(3):hover { background: var(--hi-green-deep); }

.process-list { gap: 1rem; }
.process-list::before { left: 3.45rem; background: linear-gradient(var(--hi-gold), var(--hi-teal)); }

.process-row {
  grid-template-columns: 5.5rem minmax(0, 1fr);
  border-color: var(--hi-rule);
  border-radius: 0;
  background: rgba(255, 254, 249, 0.92);
  box-shadow: none;
  padding: 1.35rem 1.5rem;
}

.process-row:hover {
  border-color: rgba(44,155,143,.45);
  box-shadow: var(--hi-shadow);
  transform: translateX(3px);
}

.process-row .p-n {
  border: 0;
  border-radius: 50%;
  background: var(--hi-green);
  color: white;
  box-shadow: 0 0 0 7px var(--hi-paper), 0 0 0 8px rgba(44,155,143,.3);
}

.process-row h3 { color: var(--hi-ink); }
.process-row h3::after { background: linear-gradient(90deg, var(--hi-rule), transparent); }
.process-row .p-item::before { background: var(--hi-gold); }

/* ── 资讯：编辑式内容流 ── */
.list-wrap { max-width: 68rem; }

.list-row {
  margin-bottom: 0.75rem;
  padding: 1.5rem 4.2rem 1.5rem 1.5rem;
  border: 1px solid var(--hi-rule);
  background: rgba(255, 254, 249, 0.92);
}

.list-row:first-child { padding-top: 1.5rem; }

.list-row:hover {
  padding-left: 1.8rem;
  border-color: rgba(44,155,143,.45);
  background: #eef6f2;
  box-shadow: var(--hi-shadow);
  transform: translateY(-2px);
}

.list-row .lr-meta { color: var(--hi-teal); }
.list-row h3 { color: var(--hi-ink); font-size: clamp(1.15rem, 2vw, 1.42rem); }

.list-row.is-empty {
  padding: 3.4rem 1.2rem;
  border-color: rgba(44,155,143,.4);
  border-radius: 0;
  background:
    linear-gradient(rgba(16,42,39,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,42,39,.035) 1px, transparent 1px),
    var(--hi-white);
  background-size: 42px 42px;
}

.pagination .pager-edge,
.pagination .pager-num { border-radius: 0; }
.pagination .pager-num.current { background: var(--hi-green); }

.info-banner {
  max-width: 42rem;
  border: 1px solid rgba(44,155,143,.24);
  border-left: 3px solid var(--hi-teal);
  border-radius: 0;
  background: #e9f4ef;
}

/* ── FAQ：可扫描的问答目录 ── */
.faq-wrap { max-width: 66rem; }

.faq-item {
  margin-bottom: 0.7rem;
  border: 1px solid var(--hi-rule);
  background: rgba(255, 254, 249, 0.9);
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.faq-item:first-child { border-top: 1px solid var(--hi-rule); }
.faq-item.open { border-color: rgba(44,155,143,.55); background: #f1f7f3; transform: translateX(3px); }

.faq-q { padding: 1.25rem 1.35rem; font-size: 1.03rem; }

.faq-q .chev {
  border-radius: 50%;
  border-color: rgba(16,42,39,.2);
  background: var(--hi-gold-soft);
  color: var(--hi-green);
}

.faq-item.open .chev { background: var(--hi-green); color: white; }
.faq-a p { padding: 0 4.2rem 1.4rem 1.35rem; color: var(--hi-muted); }

/* ── 白皮书 / 红皮书：研究文档阅读器 ── */
.paper-reader {
  padding: clamp(4rem, 6vw, 5.5rem) 0;
  background: var(--hi-paper);
}

.paper-layout {
  grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr);
  max-width: 76rem;
  gap: 1.5rem;
}

.paper-nav {
  top: calc(var(--header-h) + 1.25rem);
  padding: 1.25rem;
  border: 1px solid var(--hi-rule);
  background: rgba(255,254,249,.82);
  backdrop-filter: blur(12px);
}

.paper-nav-title {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--hi-rule);
  color: var(--hi-green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: .08em;
}

.paper-nav a { border-radius: 0; border-left: 2px solid transparent; }
.paper-nav a:hover { background: #edf5f0; color: var(--hi-green); }
.paper-nav a.is-active { border-left-color: var(--hi-gold); background: var(--hi-green); color: white; }
.paper-nav a.is-active span { color: var(--hi-gold-soft); }

.paper-main {
  border: 1px solid var(--hi-rule);
  background: var(--hi-white);
  padding: clamp(1.5rem, 4vw, 3.25rem);
  box-shadow: var(--hi-shadow);
}

.paper-toolbar { border-color: var(--hi-rule); }
.paper-kicker { color: var(--hi-teal); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.paper-count { border-radius: 0; border-color: var(--hi-rule); }

.paper-content h2,
.paper-content h3 { color: var(--hi-green); }

.paper-content h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); }
.paper-content blockquote { border-left-color: var(--hi-gold); background: var(--hi-paper); }

/* ── 关于我们：本地场景、资质与能力 ── */
.local-scene {
  border-radius: 0;
  border-color: rgba(44,155,143,.28);
  box-shadow: 18px 18px 0 rgba(44,155,143,.08);
}

.local-feature { border-color: var(--hi-rule); }
.local-feature .f-icon { border-radius: 50%; background: #e6f2ed; color: var(--hi-green); }

.cred-strip { gap: 1px; padding: 1px; background: var(--hi-rule); }
.cred { border: 0; border-radius: 0; background: var(--hi-white); padding: 1.6rem; }
.cred .c-icon { color: var(--hi-teal); }

.cert-wall { gap: 1px; padding: 1px; background: var(--hi-rule); }
.cert-card { border: 0; border-radius: 0; background: var(--hi-white); }
.cert-card:hover { border-color: transparent; box-shadow: var(--hi-shadow); transform: translateY(-3px); }

.why-grid { gap: clamp(2.5rem, 7vw, 6rem); }
.why-item { border-color: var(--hi-rule); }
.why-item .idx { color: var(--hi-teal); }

.service-card,
.about-contact-grid .service-card {
  border-color: var(--hi-rule);
  border-radius: 0;
  background: var(--hi-white);
  box-shadow: none;
}

.service-card:hover {
  border-color: rgba(44,155,143,.45);
  box-shadow: var(--hi-shadow);
}

.service-card .icon { border-radius: 50%; background: #e6f2ed; color: var(--hi-green); }

/* ── 共享转化区：沿用首页深绿信息条，不改留资功能 ── */
main > .cta-band,
.cta-band {
  background:
    radial-gradient(circle at 82% 22%, rgba(44,155,143,.22), transparent 28%),
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    var(--hi-green-deep);
  background-size: auto, 72px 72px, 72px 72px, auto;
}

.cta-band h2 { color: white; }
.cta-band .lead { color: rgba(255,255,255,.7); }
.cta-band .btn-cta { border-radius: 0; background: var(--hi-gold-soft); color: var(--hi-ink); }

.contact-card {
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 0;
  background: rgba(255,254,249,.98);
  box-shadow: 22px 22px 0 rgba(44,155,143,.16);
}

.field input { border-radius: 0; }

@media (max-width: 980px) {
  .page-header {
    min-height: 24rem;
    padding-block: 4.5rem;
  }

  .page-header::after { right: -10rem; opacity: .64; }
  .page-header .ph-inner::before { right: -2rem; width: 16rem; opacity: .4; }
  .page-header .ph-inner::after { bottom: -3rem; }

  .process-row { grid-template-columns: 1fr; }
  .process-row .p-n { width: 3.25rem; height: 3.25rem; }

  .paper-layout { grid-template-columns: 1fr; }
  .paper-nav {
    position: relative;
    top: auto;
    max-height: none;
  }

  .paper-nav ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 680px) {
  .page-header {
    min-height: 22rem;
    padding-block: 4rem;
    background:
      radial-gradient(circle at 86% 45%, rgba(44,155,143,.13), transparent 35%),
      linear-gradient(110deg, var(--hi-paper), #eef4ed);
  }

  .page-header::before { background-size: 48px 48px; }
  .page-header::after { width: 18rem; right: -11rem; }
  .page-header .ph-inner::before,
  .page-header .ph-inner::after { display: none; }

  .page-header h1 { max-width: 11ch; font-size: clamp(2.35rem, 12vw, 3.2rem); }
  .page-header .ph-sub { font-size: .96rem; line-height: 1.75; }

  main > .section { padding-block: 4rem; }
  .section-head h2,
  .local-grid h2,
  .why-aside h2,
  .cta-band h2 { font-size: clamp(2rem, 10vw, 2.65rem); }

  .method-overview { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .summit-card.summit { grid-column: span 1; }

  .service-flow-intro { grid-template-columns: 1fr; }
  .process-row { padding: 1.2rem; }
  .process-row .p-item { padding-left: .9rem; }

  .list-row,
  .list-row:first-child { padding: 1.25rem 3rem 1.25rem 1.15rem; }
  .list-row:hover { padding-left: 1.3rem; }

  .faq-q { padding: 1.1rem; font-size: .98rem; }
  .faq-a p { padding: 0 1.1rem 1.2rem; }

  .paper-reader { padding: 3rem 0; }
  .paper-nav ol { grid-template-columns: 1fr; }
  .paper-main { padding: 1.25rem; }
  .paper-toolbar { align-items: flex-start; }

  .cred-strip { grid-template-columns: 1fr; }
  .cert-wall { grid-template-columns: 1fr; }
  .local-scene { box-shadow: 10px 10px 0 rgba(44,155,143,.08); }
  .contact-card { box-shadow: 10px 10px 0 rgba(44,155,143,.14); }
}

@media (prefers-reduced-motion: reduce) {
  .page-header::after { animation: none; }
  .process-row:hover,
  .list-row:hover,
  .faq-item.open { transform: none; }
}