/* ==========================================================================
   base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: #1F2937;
  background-color: #F4F7FA;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  list-style-position: inside;
}

a {
  color: #0B2E4F;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #F5A623;
}

table {
  border-collapse: collapse;
  width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

strong {
  font-weight: 600;
}

/* 等宽字体用于节点编号与状态 */
.timeline-number,
.timeline-signal,
.step-number,
.ask-number,
.error-code,
.hero-node-status {
  font-family: "JetBrains Mono", "Courier New", monospace;
}

/* ==========================================================================
   layout
   ========================================================================== */

.site-header {
  background-color: #0B2E4F;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(11, 46, 79, 0.18);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-name {
  color: #FFFFFF;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-name::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: #F5A623;
  border-radius: 2px;
  margin-right: 10px;
  vertical-align: middle;
}

.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav li {
  margin: 0;
}

.nav-link {
  display: block;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  padding: 8px 14px;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}

.nav-link:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.1);
}

.nav-link.is-current {
  color: #FFFFFF;
  background-color: rgba(245, 166, 35, 0.2);
  font-weight: 600;
}

.nav-cta {
  display: inline-block;
  background-color: #F5A623;
  color: #0B2E4F;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 4px;
  white-space: nowrap;
  transition: background-color 0.2s;
  flex-shrink: 0;
}

.nav-cta:hover {
  background-color: #e0951a;
  color: #0B2E4F;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 4px;
  flex-shrink: 0;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #FFFFFF;
  border-radius: 1px;
}

.site-main {
  min-height: 60vh;
}

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 56px;
}

.breadcrumb-nav {
  background-color: #FFFFFF;
  border-bottom: 1px solid #E2E8F0;
}

.breadcrumb-nav .breadcrumb-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 24px;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.breadcrumb-nav .breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-nav .breadcrumb-list a {
  color: #64748B;
}

.breadcrumb-nav .breadcrumb-list a:hover {
  color: #0B2E4F;
}

.breadcrumb {
  font-size: 0.85rem;
  color: #64748B;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: #64748B;
}

.breadcrumb a:hover {
  color: #0B2E4F;
}

.breadcrumb-sep {
  color: #94A3B8;
}

.breadcrumb-current {
  color: #1F2937;
  font-weight: 500;
}

.page-header {
  margin-bottom: 16px;
}

.page-title {
  font-size: 2rem;
  font-weight: 700;
  color: #0B2E4F;
  line-height: 1.3;
  letter-spacing: 0;
}

.page-title-area {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
  border-left: 4px solid #F5A623;
  line-height: 1.7;
  color: #334155;
  font-size: 1rem;
}

.page-title-area p {
  margin: 0;
}

.page-title-block {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
  border-left: 4px solid #F5A623;
  line-height: 1.7;
  color: #334155;
}

.page-title-block p {
  margin: 0;
}

.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.page-layout .main-content,
.page-layout .main-column,
.page-layout .main-col {
  min-width: 0;
}

.page-layout.sidebar-left {
  grid-template-columns: 280px 1fr;
}

.sidebar-left .page-layout {
  grid-template-columns: 280px 1fr;
}

.sidebar-left .page-layout .sidebar {
  grid-column: 1;
  grid-row: 1;
}

.sidebar-left .page-layout .site-main {
  grid-column: 2;
  grid-row: 1;
}

.layout-right {
  grid-template-columns: 1fr 320px;
}

.site-footer {
  background-color: #0B2E4F;
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 24px;
  margin-top: 0;
}

.footer-columns {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h3 {
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: #F5A623;
}

/* ==========================================================================
   components
   ========================================================================== */

/* ---------- 首页 hero ---------- */

.hero-section {
  background-color: #0B2E4F;
  color: #FFFFFF;
  padding: 56px 0;
}

.hero-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-copy h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 16px;
  letter-spacing: 0;
}

.hero-lead {
  font-size: 1.1rem;
  color: #F5A623;
  font-weight: 600;
  margin-bottom: 12px;
}

.hero-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
}

.hero-table-wrap {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 20px;
  position: relative;
}

.service-overview-table {
  width: 100%;
}

.service-overview-table thead th {
  color: #F5A623;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.service-overview-table tbody td {
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
  vertical-align: top;
}

.service-overview-table tbody tr:last-child td {
  border-bottom: none;
}

.service-overview-table tbody a {
  color: #F5A623;
  font-weight: 500;
}

.service-overview-table tbody a:hover {
  text-decoration: underline;
}

.hero-node-status {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.8rem;
  color: #F5A623;
  background-color: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.4);
  border-radius: 4px;
  padding: 4px 10px;
}

.hero-visual {
  margin: 24px 0 0;
}

.hero-visual img {
  width: 100%;
  max-height: 300px;
  object-fit: cover;
  border-radius: 8px;
}

/* ---------- 首页 section 通用 ---------- */

.section-heading {
  margin-bottom: 28px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
}

.section-heading h2 {
  font-size: 1.6rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0;
}

.section-heading p {
  color: #64748B;
  font-size: 1rem;
}

/* ---------- 首页服务范围 ---------- */

.service-overview-section {
  padding: 56px 0 40px;
}

.service-cards {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  border-top: 3px solid #0B2E4F;
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.06);
}

.service-card h3 {
  font-size: 1.1rem;
  color: #0B2E4F;
  margin-bottom: 10px;
  font-weight: 600;
}

.service-card p {
  font-size: 0.95rem;
  color: #475569;
  line-height: 1.7;
  margin: 0;
}

.service-scene-figure {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 0 24px;
}

.service-scene-figure img {
  width: 100%;
  max-height: 260px;
  object-fit: cover;
  border-radius: 8px;
}

.service-scene-figure figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 10px 4px 0;
  text-align: center;
}

/* ---------- 交付时间轴（首页横向） ---------- */

.process-timeline-section {
  background-color: #FFFFFF;
  padding: 56px 0;
}

.timeline-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: timeline;
}

.timeline-item {
  background-color: #F8FAFC;
  border-radius: 8px;
  padding: 24px;
  position: relative;
  border: 1px solid #E2E8F0;
}

.timeline-number {
  display: inline-block;
  font-size: 2rem;
  font-weight: 700;
  color: #F5A623;
  line-height: 1;
  margin-bottom: 12px;
}

.timeline-item h3 {
  font-size: 1.05rem;
  color: #0B2E4F;
  margin-bottom: 10px;
  font-weight: 600;
}

.timeline-deliverable,
.timeline-confirm {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 6px;
}

.timeline-deliverable::before {
  content: "交付物：";
  font-weight: 600;
  color: #0B2E4F;
}

.timeline-confirm::before {
  content: "确认方式：";
  font-weight: 600;
  color: #0B2E4F;
}

.timeline-signal {
  display: inline-block;
  font-size: 0.8rem;
  color: #E4572E;
  background-color: rgba(228, 87, 46, 0.08);
  border: 1px solid rgba(228, 87, 46, 0.3);
  border-radius: 4px;
  padding: 3px 8px;
  margin-top: 8px;
}

/* ---------- 知识入口卡片 ---------- */

.knowledge-entry-section {
  padding: 56px 0;
}

.knowledge-cards {
  max-width: 1200px;
  margin: 0 auto 24px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.knowledge-card {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  border: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
}

.knowledge-card h3 {
  font-size: 1.05rem;
  color: #0B2E4F;
  margin-bottom: 12px;
  font-weight: 600;
}

.knowledge-definition,
.knowledge-example {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 8px;
}

.knowledge-definition strong,
.knowledge-example strong {
  display: block;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 2px;
}

.card-link {
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #F5A623;
}

.card-link:hover {
  color: #e0951a;
}

.section-link {
  display: block;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  font-weight: 500;
  color: #0B2E4F;
}

.section-link:hover {
  color: #F5A623;
}

/* ---------- 误区预览 ---------- */

.misconception-preview-section {
  background-color: #FFFFFF;
  padding: 56px 0;
}

.misconception-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.misconception-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  gap: 16px;
  align-items: center;
  background-color: #F8FAFC;
  border-radius: 8px;
  padding: 20px 24px;
  border-left: 3px solid #E4572E;
}

.misconception-wrong {
  font-size: 0.95rem;
  color: #E4572E;
  font-weight: 500;
}

.misconception-wrong::before {
  content: "误区 ";
  font-weight: 600;
  opacity: 0.7;
}

.misconception-arrow {
  color: #F5A623;
  font-size: 1.4rem;
  font-weight: 700;
}

.misconception-fact {
  font-size: 0.95rem;
  color: #1F2937;
}

.misconception-fact::before {
  content: "核实 ";
  font-weight: 600;
  color: #0B2E4F;
}

.misconception-link {
  font-size: 0.9rem;
  color: #F5A623;
  font-weight: 500;
  white-space: nowrap;
}

.misconception-link:hover {
  color: #e0951a;
}

/* ---------- 咨询边界 ---------- */

.consult-boundary-section {
  padding: 56px 0;
}

.boundary-columns {
  max-width: 1200px;
  margin: 0 auto 32px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.boundary-col {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  border: 1px solid #E2E8F0;
}

.boundary-col h3 {
  font-size: 1.1rem;
  color: #0B2E4F;
  margin-bottom: 16px;
  font-weight: 600;
}

.boundary-col ul {
  list-style: none;
}

.boundary-col li {
  padding-left: 20px;
  position: relative;
  font-size: 0.95rem;
  color: #475569;
  margin-bottom: 10px;
  line-height: 1.6;
}

.boundary-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background-color: #F5A623;
}

.cta-button {
  display: block;
  max-width: 260px;
  margin: 0 auto;
  text-align: center;
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.cta-button:hover {
  background-color: #1a4068;
  color: #FFFFFF;
}

/* ---------- 内页正文通用 ---------- */

.main-column,
.main-content {
  min-width: 0;
}

.main-column h2,
.main-content h2 {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0;
}

.main-column h3,
.main-content h3 {
  font-size: 1.05rem;
  color: #0B2E4F;
  font-weight: 600;
}

/* ---------- 服务范围页 ---------- */

.service-table-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.table-scroll-wrap {
  overflow-x: auto;
}

.service-table {
  min-width: 620px;
}

.service-table thead th {
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  padding: 12px 14px;
  white-space: nowrap;
}

.service-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid #E2E8F0;
  font-size: 0.9rem;
  color: #334155;
  vertical-align: top;
  line-height: 1.6;
}

.service-table tbody tr:nth-child(even) {
  background-color: #F8FAFC;
}

.service-table tbody a {
  color: #F5A623;
  font-weight: 500;
}

.scene-figure {
  margin-bottom: 24px;
}

.scene-figure img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
}

.scene-figure figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 8px 4px 0;
  text-align: center;
}

.applicable-scenes-section {
  margin-bottom: 24px;
}

.scene-card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.scene-card {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #E2E8F0;
  border-top: 3px solid #F5A623;
}

.scene-card h3 {
  margin-bottom: 8px;
}

.scene-card p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 6px;
}

.excluded-scope-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.excluded-list {
  list-style: none;
}

.excluded-list li {
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid #E2E8F0;
  position: relative;
}

.excluded-list li:last-child {
  border-bottom: none;
}

.excluded-list li::before {
  content: "×";
  position: absolute;
  left: 0;
  top: 14px;
  color: #E4572E;
  font-weight: 700;
  font-size: 1.1rem;
}

.excluded-list h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.excluded-list p {
  font-size: 0.9rem;
  color: #64748B;
  line-height: 1.6;
}

.prep-list-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  border: 1px solid #E2E8F0;
}

.prep-list {
  list-style: none;
  counter-reset: prep;
}

.prep-list li {
  counter-increment: prep;
  padding: 12px 0 12px 40px;
  position: relative;
  border-bottom: 1px solid #E2E8F0;
}

.prep-list li:last-child {
  border-bottom: none;
}

.prep-list li::before {
  content: counter(prep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  font-weight: 700;
  color: #F5A623;
}

.prep-list h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.prep-list p {
  font-size: 0.9rem;
  color: #64748B;
  line-height: 1.6;
}

.prep-note {
  font-size: 0.85rem;
  color: #E4572E;
  margin-top: 16px;
  padding: 10px 14px;
  background-color: rgba(228, 87, 46, 0.06);
  border-radius: 4px;
}

/* ---------- 侧栏 ---------- */

.sidebar-column,
.sidebar-right {
  min-width: 0;
}

.sidebar-card {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #E2E8F0;
  margin-bottom: 20px;
}

.sidebar-card h2 {
  font-size: 1.1rem;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #F5A623;
}

.sidebar-link-list,
.sidebar-links {
  list-style: none;
}

.sidebar-link-list li,
.sidebar-links li {
  margin-bottom: 4px;
}

.sidebar-link-list a,
.sidebar-links a {
  display: block;
  padding: 10px 12px;
  font-size: 0.92rem;
  color: #334155;
  border-radius: 4px;
  transition: background-color 0.2s, color 0.2s;
}

.sidebar-link-list a:hover,
.sidebar-links a:hover {
  background-color: #F8FAFC;
  color: #0B2E4F;
}

.sidebar-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-cards .sidebar-card {
  margin-bottom: 0;
  display: block;
  padding: 16px;
}

.sidebar-cards .sidebar-card h3 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.sidebar-cards .sidebar-card p {
  font-size: 0.85rem;
  color: #64748B;
  line-height: 1.5;
  margin: 0;
}

.sidebar-note {
  margin-top: 16px;
  padding: 14px;
  background-color: #F8FAFC;
  border-radius: 6px;
  border-left: 3px solid #F5A623;
}

.sidebar-note p {
  font-size: 0.85rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

/* ---------- 下载基础页 ---------- */

.concept-list {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.concept-list h2 {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0;
}

.concept-item {
  padding: 20px 0;
  border-bottom: 1px solid #E2E8F0;
}

.concept-item:last-child {
  border-bottom: none;
}

.concept-item h3 {
  font-size: 1.1rem;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 3px solid #F5A623;
}

.concept-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.concept-body p {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.7;
}

.concept-body p strong {
  display: block;
  font-weight: 600;
  color: #0B2E4F;
  margin-bottom: 2px;
}

.concept-figure {
  margin-bottom: 24px;
}

.concept-figure img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
}

.concept-figure figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 8px 4px 0;
  text-align: center;
}

.terminology-table-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.terminology-table-section h2 {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 16px;
}

.table-wrapper {
  overflow-x: auto;
}

.terminology-table {
  min-width: 560px;
}

.terminology-table thead th {
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  padding: 12px 14px;
}

.terminology-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid #E2E8F0;
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.6;
  vertical-align: top;
}

.terminology-table tbody tr:nth-child(even) {
  background-color: #F8FAFC;
}

.reading-suggestion {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.reading-suggestion h2 {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 16px;
}

.reading-steps {
  list-style: none;
  counter-reset: read-step;
}

.reading-steps li {
  counter-increment: read-step;
  padding: 12px 0 12px 44px;
  position: relative;
  border-bottom: 1px solid #E2E8F0;
}

.reading-steps li:last-child {
  border-bottom: none;
}

.reading-steps li::before {
  content: counter(read-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  font-weight: 700;
  color: #F5A623;
}

.reading-steps p {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
}

.reading-steps strong {
  color: #0B2E4F;
  display: block;
  margin-bottom: 4px;
}

.inline-nav {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 20px 24px;
  border: 1px solid #E2E8F0;
}

.inline-nav p {
  font-size: 1rem;
  font-weight: 600;
  color: #0B2E4F;
  margin-bottom: 12px;
}

.inline-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.inline-nav a {
  font-size: 0.9rem;
  color: #F5A623;
  font-weight: 500;
}

.inline-nav a:hover {
  color: #e0951a;
}

/* ---------- 交付流程页 ---------- */

.timeline-section,
.phase-table-section,
.exception-section,
.next-step-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.section-intro {
  font-size: 0.95rem;
  color: #64748B;
  margin-bottom: 20px;
  line-height: 1.6;
}

.timeline-vertical {
  position: relative;
  padding-left: 32px;
}

.timeline-vertical::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #E2E8F0;
}

.timeline-item {
  position: relative;
  padding: 0 0 28px 24px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-node {
  position: absolute;
  left: -32px;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #0B2E4F;
  border: 3px solid #F5A623;
}

.node-detail h3 {
  font-size: 1.1rem;
  color: #0B2E4F;
  margin-bottom: 8px;
  font-weight: 600;
}

.node-detail p {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 6px;
}

.phase-table {
  min-width: 560px;
}

.phase-table thead th {
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  padding: 12px 14px;
}

.phase-table tbody td {
  padding: 12px 14px;
  border-bottom: 1px solid #E2E8F0;
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.6;
  vertical-align: top;
}

.phase-table tbody tr:nth-child(even) {
  background-color: #F8FAFC;
}

.table-scroll {
  overflow-x: auto;
}

.exception-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.exception-item {
  background-color: rgba(228, 87, 46, 0.04);
  border-left: 3px solid #E4572E;
  border-radius: 0 6px 6px 0;
  padding: 16px 20px;
}

.exception-item h3 {
  font-size: 1rem;
  color: #E4572E;
  margin-bottom: 6px;
  font-weight: 600;
}

.exception-item p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
}

.flow-figure {
  margin-bottom: 24px;
}

.flow-figure img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
}

.flow-figure figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 8px 4px 0;
  text-align: center;
}

.next-step-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.next-link {
  display: block;
  background-color: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 6px;
  padding: 16px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #0B2E4F;
  transition: border-color 0.2s, background-color 0.2s;
}

.next-link:hover {
  border-color: #F5A623;
  background-color: #FFFFFF;
}

/* ---------- 常见误区页 ---------- */

.misconception-list details {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 20px 24px;
  margin-bottom: 14px;
  border: 1px solid #E2E8F0;
}

.misconception-list summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.misconception-list summary::-webkit-details-marker {
  display: none;
}

.misconception-label {
  display: inline-block;
  background-color: rgba(228, 87, 46, 0.1);
  color: #E4572E;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 3px;
  flex-shrink: 0;
}

.misconception-title {
  font-size: 1rem;
  color: #1F2937;
  font-weight: 500;
  flex: 1;
}

.misconception-list details[open] summary {
  margin-bottom: 16px;
}

.misconception-list details[open] .misconception-title {
  color: #0B2E4F;
  font-weight: 600;
}

.misconception-content {
  padding-left: 0;
  border-top: 1px solid #E2E8F0;
  padding-top: 16px;
}

.misconception-content p {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 10px;
}

.misconception-content p strong {
  display: block;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 2px;
}

.verification-method,
.ask-list,
.next-step {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.verification-method h2,
.ask-list h2,
.next-step h2 {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 16px;
}

.verification-steps {
  list-style: none;
  counter-reset: verify;
}

.verification-step {
  counter-increment: verify;
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #E2E8F0;
}

.verification-step:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 0.9rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content h3 {
  font-size: 1rem;
  color: #0B2E4F;
  margin-bottom: 6px;
}

.step-content p {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
}

.ask-items {
  list-style: none;
}

.ask-item {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid #E2E8F0;
  align-items: flex-start;
}

.ask-item:last-child {
  border-bottom: none;
}

.ask-number {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 700;
  color: #F5A623;
  width: 28px;
  text-align: center;
}

.ask-item p {
  font-size: 0.92rem;
  color: #334155;
  line-height: 1.6;
}

.faq-image {
  margin-bottom: 24px;
}

.faq-image img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
}

.faq-image figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 8px 4px 0;
  text-align: center;
}

/* ---------- 咨询边界页 ---------- */

.available-content,
.prohibited-content,
.communication-steps,
.prep-info {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.available-content h2,
.prohibited-content h2,
.communication-steps h2,
.prep-info h2 {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 8px;
}

.available-content > p,
.prohibited-content > p,
.communication-steps > p,
.prep-info > p {
  font-size: 0.95rem;
  color: #64748B;
  margin-bottom: 20px;
}

.content-list {
  list-style: none;
}

.content-list li {
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid #E2E8F0;
  position: relative;
}

.content-list li:last-child {
  border-bottom: none;
}

.content-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 14px;
  color: #0B2E4F;
  font-weight: 700;
}

.content-list h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.content-list p {
  font-size: 0.9rem;
  color: #64748B;
  line-height: 1.6;
}

.content-list.excluded-list li::before {
  content: "×";
  color: #E4572E;
}

.step-list {
  list-style: none;
  counter-reset: comm-step;
}

.step-list li {
  counter-increment: comm-step;
  padding: 14px 0 14px 44px;
  position: relative;
  border-bottom: 1px solid #E2E8F0;
}

.step-list li:last-child {
  border-bottom: none;
}

.step-list li::before {
  content: counter(comm-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 1rem;
  font-weight: 700;
  color: #F5A623;
}

.step-list h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.step-list p {
  font-size: 0.9rem;
  color: #64748B;
  line-height: 1.6;
}

.contact-image-block {
  margin-bottom: 24px;
}

.contact-image-block img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
}

.contact-image-block figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 8px 4px 0;
  text-align: center;
}

.related-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  background-color: #F8FAFC;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.related-links-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #0B2E4F;
}

.related-links-item {
  font-size: 0.9rem;
  color: #F5A623;
  font-weight: 500;
}

.related-links-item:hover {
  color: #e0951a;
}

.sidebar-inner {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #E2E8F0;
}

.sidebar-inner h2 {
  font-size: 1.1rem;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #F5A623;
}

.sidebar-inner .sidebar-links a {
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

.sidebar-inner .sidebar-links a:hover {
  background-color: #F8FAFC;
}

.link-title {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: #0B2E4F;
}

.link-desc {
  display: block;
  font-size: 0.82rem;
  color: #64748B;
  margin-top: 2px;
  line-height: 1.5;
}

/* ---------- 专题中心页 ---------- */

.category-list-section,
.theme-entry-section,
.path-suggestion-section {
  background-color: #FFFFFF;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  border: 1px solid #E2E8F0;
}

.section-title {
  font-size: 1.4rem;
  color: #0B2E4F;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.category-card {
  background-color: #F8FAFC;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #E2E8F0;
  display: flex;
  flex-direction: column;
}

.category-name {
  font-size: 1.05rem;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 8px;
}

.category-desc {
  font-size: 0.9rem;
  color: #64748B;
  line-height: 1.6;
  margin-bottom: 12px;
  flex: 1;
}

.category-link {
  font-size: 0.9rem;
  color: #F5A623;
  font-weight: 500;
}

.category-link:hover {
  color: #e0951a;
}

.theme-entry-list {
  list-style: none;
}

.theme-entry-item {
  border-bottom: 1px solid #E2E8F0;
}

.theme-entry-item:last-child {
  border-bottom: none;
}

.theme-entry-item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 8px;
  font-size: 0.95rem;
  color: #334155;
  transition: color 0.2s;
}

.theme-entry-item a::after {
  content: "→";
  color: #F5A623;
  font-weight: 700;
}

.theme-entry-item a:hover {
  color: #0B2E4F;
}

.topic-figure {
  margin-bottom: 24px;
}

.topic-figure img {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  border-radius: 8px;
}

.topic-figure figcaption {
  font-size: 0.85rem;
  color: #64748B;
  padding: 8px 4px 0;
  text-align: center;
}

.path-suggestion-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.path-card {
  background-color: #F8FAFC;
  border-radius: 8px;
  padding: 20px;
  border-top: 3px solid #F5A623;
}

.path-title {
  font-size: 1rem;
  color: #0B2E4F;
  font-weight: 600;
  margin-bottom: 8px;
}

.path-desc {
  font-size: 0.9rem;
  color: #64748B;
  line-height: 1.6;
  margin-bottom: 12px;
}

.path-steps {
  list-style: none;
  counter-reset: path-step;
}

.path-steps li {
  counter-increment: path-step;
  padding: 6px 0 6px 28px;
  position: relative;
  font-size: 0.88rem;
}

.path-steps li::before {
  content: counter(path-step);
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.path-steps a {
  color: #334155;
}

.path-steps a:hover {
  color: #F5A623;
}

.inpage-note {
  background-color: rgba(245, 166, 35, 0.08);
  border-radius: 8px;
  padding: 16px 20px;
  border-left: 3px solid #F5A623;
}

.inpage-note p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin: 0;
}

/* ---------- 404 页 ---------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 48px 24px;
}

.error-content {
  text-align: center;
  max-width: 560px;
  width: 100%;
}

.error-code {
  font-size: 4rem;
  font-weight: 700;
  color: #0B2E4F;
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 1.6rem;
  color: #0B2E4F;
  margin-bottom: 12px;
  font-weight: 700;
}

.error-desc {
  font-size: 1rem;
  color: #64748B;
  margin-bottom: 28px;
  line-height: 1.7;
}

.error-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.error-btn {
  display: inline-block;
  background-color: #0B2E4F;
  color: #FFFFFF;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 6px;
  transition: background-color 0.2s;
}

.error-btn:hover {
  background-color: #1a4068;
  color: #FFFFFF;
}

.error-link {
  font-size: 0.95rem;
  color: #F5A623;
  font-weight: 500;
}

.error-link:hover {
  color: #e0951a;
}

/* ==========================================================================
   responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-visual {
    margin-top: 0;
  }

  .service-cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .knowledge-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .timeline-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .scene-card-list,
  .category-grid,
  .path-suggestion-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-layout,
  .page-layout.sidebar-left,
  .sidebar-left .page-layout,
  .layout-right {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .sidebar-left .page-layout .sidebar,
  .sidebar-left .page-layout .site-main {
    grid-column: 1;
    grid-row: auto;
  }

  .sidebar-left .page-layout .sidebar {
    grid-row: 2;
  }

  .sidebar-left .page-layout .site-main {
    grid-row: 1;
  }

  .sidebar-column,
  .sidebar-right,
  .sidebar {
    margin-top: 0;
  }

  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
    min-height: 60px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background-color: #0B2E4F;
    padding: 0 16px 16px;
    box-shadow: 0 8px 16px rgba(11, 46, 79, 0.25);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .site-nav li:last-child {
    border-bottom: none;
  }

  .nav-link {
    padding: 14px 12px;
    font-size: 1rem;
  }

  .nav-cta {
    display: none;
  }

  .hero-section {
    padding: 40px 0;
  }

  .hero-copy h1 {
    font-size: 1.6rem;
  }

  .hero-table-wrap {
    padding: 14px;
    overflow-x: auto;
  }

  .service-overview-table {
    min-width: 480px;
  }

  .service-cards,
  .knowledge-cards,
  .timeline-list,
  .scene-card-list,
  .category-grid,
  .path-suggestion-grid {
    grid-template-columns: 1fr;
  }

  .section-heading h2 {
    font-size: 1.3rem;
  }

  .misconception-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 16px;
  }

  .misconception-arrow {
    transform: rotate(90deg);
    justify-self: start;
  }

  .boundary-columns {
    grid-template-columns: 1fr;
  }

  .next-step-links {
    grid-template-columns: 1fr;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 0 16px;
  }

  .inner-main {
    padding: 24px 16px 40px;
  }

  .page-title {
    font-size: 1.5rem;
  }

  .page-title-area,
  .page-title-block {
    padding: 18px;
  }

  .service-table-section,
  .concept-list,
  .terminology-table-section,
  .reading-suggestion,
  .timeline-section,
  .phase-table-section,
  .exception-section,
  .next-step-section,
  .verification-method,
  .ask-list,
  .next-step,
  .available-content,
  .prohibited-content,
  .communication-steps,
  .prep-info,
  .category-list-section,
  .theme-entry-section,
  .path-suggestion-section {
    padding: 18px;
  }

  .concept-body {
    gap: 8px;
  }

  .breadcrumb-nav .breadcrumb-list {
    padding: 8px 16px;
  }

  .error-code {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .hero-copy h1 {
    font-size: 1.4rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-description {
    font-size: 0.95rem;
  }

  .service-card,
  .knowledge-card,
  .timeline-item,
  .boundary-col,
  .scene-card,
  .category-card,
  .path-card {
    padding: 18px;
  }

  .timeline-vertical {
    padding-left: 24px;
  }

  .timeline-node {
    left: -24px;
    width: 20px;
    height: 20px;
  }

  .timeline-item {
    padding-left: 16px;
  }

  .step-number {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  .verification-step {
    gap: 12px;
  }

  .footer-columns {
    padding: 0 16px;
  }

  .related-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}