/* ============================================================
   吃瓜爆料app — 全站样式表
   分组：base / layout / components / pages / responsive
   ============================================================ */

/* ============================================================
   Base — 全局基础样式
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #1f2937;
  background-color: #faf7f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: #ff6b35;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #e55a2b;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  color: #0f172a;
  line-height: 1.4;
}

h1 {
  font-size: 34px;
  line-height: 1.3;
}

h2 {
  font-size: 26px;
  line-height: 1.4;
}

h3 {
  font-size: 20px;
  line-height: 1.5;
}

p {
  margin-bottom: 16px;
}

strong {
  font-weight: 600;
  color: #0f172a;
}

/* ============================================================
   Layout — 全站统一骨架
   ============================================================ */
.site-header {
  background-color: #0f172a;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand-name {
  color: #ffffff;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 10px 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 500;
  border-radius: 6px;
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
}

.nav-link.is-current {
  background-color: #ff6b35;
  color: #ffffff;
}

.nav-link.is-current:hover {
  background-color: #ff6b35;
  color: #ffffff;
}

.header-cta {
  display: inline-block;
  padding: 10px 22px;
  background-color: #ff6b35;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background-color 0.2s ease;
  flex-shrink: 0;
}

.header-cta:hover {
  background-color: #e55a2b;
  color: #ffffff;
}

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

.site-footer {
  background-color: #0f172a;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 64px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.footer-title {
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: #ff6b35;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
  margin-bottom: 0;
}

/* 面包屑 — 全站统一 */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 14px;
  color: #64748b;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb a {
  color: #64748b;
  font-size: 14px;
}

.breadcrumb a:hover {
  color: #ff6b35;
}

.breadcrumb-sep {
  color: #94a3b8;
  font-size: 14px;
}

.breadcrumb-current {
  color: #1f2937;
  font-size: 14px;
  font-weight: 500;
}

/* 页面标题区 — 全站统一 */
.page-header {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 24px;
}

.page-title {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  color: #0f172a;
}

/* 内页容器 */
.page-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

.layout-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 40px;
  align-items: start;
}

.inner-main {
  min-width: 0;
  min-height: 60vh;
}

.sidebar-area {
  min-width: 0;
}

/* 侧栏通用 */
.sidebar-area > *,
.sidebar > * {
  margin-bottom: 24px;
}

.anchor-nav,
.side-block,
.related-card,
.cooperation-entry,
.sidebar-card {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 24px;
}

.anchor-nav h2,
.side-block h2,
.related-card h2,
.cooperation-entry h2,
.sidebar-card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #0f172a;
}

.anchor-nav ul li,
.side-links li {
  margin-bottom: 10px;
}

.anchor-nav ul li a,
.side-links li a {
  color: #1f2937;
  font-size: 14px;
  transition: color 0.2s ease;
  display: inline-block;
  padding: 4px 0;
}

.anchor-nav ul li a:hover,
.side-links li a:hover {
  color: #ff6b35;
}

.related-card p {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 12px;
}

.related-card a {
  font-size: 14px;
  font-weight: 500;
}

.cooperation-entry p {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 12px;
}

.cooperation-entry a {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
}

/* 相关链接 — 全站统一 */
.related-links {
  max-width: 1200px;
  margin: 32px auto 0;
  padding: 20px 24px;
  border-top: 1px solid #e8e2dd;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: #0f172a;
  margin-right: 4px;
}

.related-links-item {
  display: inline-block;
  padding: 6px 14px;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 6px;
  font-size: 13px;
  color: #1f2937;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: #ff6b35;
  color: #ff6b35;
}

/* ============================================================
   Components — 通用组件
   ============================================================ */
.btn {
  display: inline-block;
  padding: 12px 28px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 6px;
  border: 2px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background-color: #ff6b35;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #e55a2b;
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: #0f172a;
  border-color: #0f172a;
}

.btn-secondary:hover {
  background-color: #0f172a;
  color: #ffffff;
}

/* 图片容器 */
figure {
  margin: 0;
}

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

figcaption {
  font-size: 13px;
  color: #64748b;
  margin-top: 8px;
  text-align: center;
}

/* 标签 */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  display: inline-block;
  padding: 4px 12px;
  background-color: #fff1ec;
  color: #ff6b35;
  font-size: 13px;
  font-weight: 500;
  border-radius: 4px;
}

/* 打印按钮 */
.print-btn {
  display: inline-block;
  padding: 8px 18px;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 6px;
  font-size: 14px;
  color: #1f2937;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.print-btn:hover {
  border-color: #ff6b35;
  color: #ff6b35;
}

/* ============================================================
   Pages — 首页
   ============================================================ */
/* Hero */
.hero-section {
  background-color: #0f172a;
  color: #ffffff;
  padding: 72px 0;
}

.hero-section > * {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.hero-section > * {
  max-width: none;
  padding: 0;
}

.hero-content {
  padding-left: 24px;
}

.hero-title {
  color: #ffffff;
  font-size: 36px;
  line-height: 1.3;
  margin-bottom: 16px;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: 17px;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-actions .btn-primary {
  background-color: #ff6b35;
  color: #ffffff;
}

.hero-actions .btn-primary:hover {
  background-color: #e55a2b;
}

.hero-actions .btn-secondary {
  border-color: #ffffff;
  color: #ffffff;
}

.hero-actions .btn-secondary:hover {
  background-color: #ffffff;
  color: #0f172a;
}

.hero-media {
  padding-right: 24px;
}

.hero-media img {
  border-radius: 8px;
  aspect-ratio: 4 / 3;
}

/* 快速路径 */
.quick-path {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.quick-path-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quick-card {
  display: block;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.quick-icon {
  display: inline-block;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background-color: #fff1ec;
  color: #ff6b35;
  font-size: 22px;
  font-weight: 700;
  line-height: 48px;
  text-align: center;
  margin-bottom: 16px;
}

.quick-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0f172a;
}

.quick-desc {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 0;
}

/* 服务矩阵 */
.services-overview {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #0f172a;
}

.section-intro {
  font-size: 16px;
  color: #64748b;
  margin-bottom: 32px;
  max-width: 720px;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.service-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) auto;
  gap: 24px;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 20px 24px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-item:hover {
  border-color: #ff6b35;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.08);
}

.service-name {
  font-size: 18px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 0;
}

.service-summary {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 0;
}

.service-link {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

/* 应用场景预览 */
.scenarios-overview {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.scenario-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.scenario-media img {
  aspect-ratio: 16 / 9;
}

.scenario-card h3 {
  padding: 20px 20px 0;
  font-size: 18px;
}

.scenario-desc {
  padding: 8px 20px 0;
  font-size: 14px;
  color: #64748b;
}

.scenario-link {
  display: inline-block;
  margin: 12px 20px 20px;
  font-size: 14px;
  font-weight: 500;
}

/* 合作流程预览 */
.process-preview {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.step-item {
  position: relative;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 28px 24px;
}

.step-number {
  display: inline-block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #ff6b35;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  line-height: 36px;
  text-align: center;
  margin-bottom: 16px;
}

.step-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0f172a;
}

.step-desc {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 0;
}

.process-entry {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
}

/* FAQ 引导 */
.faq-teaser {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 24px 0;
}

.faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 720px;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
}

.faq-item a {
  display: block;
  padding: 16px 24px;
  font-size: 15px;
  color: #1f2937;
  font-weight: 500;
  transition: color 0.2s ease;
}

.faq-item a:hover {
  color: #ff6b35;
}

.faq-more {
  display: inline-block;
  margin-top: 20px;
  font-size: 15px;
  font-weight: 500;
}

/* CTA 横幅 */
.cta-banner {
  max-width: 1200px;
  margin: 64px auto 0;
  padding: 0 24px;
}

.cta-banner {
  background-color: #0f172a;
  border-radius: 8px;
  padding: 48px 48px;
  text-align: left;
}

.cta-title {
  color: #ffffff;
  font-size: 26px;
  margin-bottom: 12px;
}

.cta-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  margin-bottom: 24px;
  max-width: 560px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cta-actions .btn-secondary {
  border-color: #ffffff;
  color: #ffffff;
}

.cta-actions .btn-secondary:hover {
  background-color: #ffffff;
  color: #0f172a;
}

/* ============================================================
   Pages — 服务方案
   ============================================================ */
.page-intro {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 24px;
  font-size: 16px;
  color: #64748b;
}

.services-article {
  min-width: 0;
}

.location-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.location-text h2 {
  margin-bottom: 12px;
}

.location-text p {
  font-size: 15px;
  color: #1f2937;
}

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

.service-matrix {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.section-note {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 24px;
}

.service-matrix .service-item {
  grid-template-columns: 1fr;
  gap: 12px;
  border: none;
  border-bottom: 1px solid #e8e2dd;
  border-radius: 0;
  padding: 24px 0;
}

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

.service-matrix .service-item h3 {
  font-size: 20px;
  font-weight: 600;
  color: #0f172a;
}

.service-audience {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 8px;
}

.service-audience strong {
  color: #0f172a;
  font-weight: 600;
}

.service-desc {
  font-size: 15px;
  color: #1f2937;
  margin-bottom: 12px;
}

.comparison-table {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid #e8e2dd;
  font-size: 14px;
}

.comparison-table th {
  background-color: #faf7f5;
  font-weight: 600;
  color: #0f172a;
}

.comparison-table td {
  color: #1f2937;
}

.table-note {
  font-size: 13px;
  color: #64748b;
  margin-top: 16px;
  margin-bottom: 0;
}

/* ============================================================
   Pages — 应用场景
   ============================================================ */
.page-title-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 24px;
}

.page-lead {
  font-size: 16px;
  color: #64748b;
  max-width: 720px;
}

.scenarios-article {
  min-width: 0;
}

.scene-item {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.scene-content h2 {
  margin-bottom: 12px;
}

.scene-content p {
  font-size: 15px;
  color: #1f2937;
}

.scene-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 20px 0 12px;
  color: #0f172a;
}

.scene-points {
  list-style: none;
}

.scene-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: #1f2937;
  margin-bottom: 8px;
}

.scene-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ff6b35;
}

.scene-figure img {
  aspect-ratio: 4 / 3;
}

.scene-choice {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.scene-choice h2 {
  margin-bottom: 12px;
}

.scene-choice > p {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 24px;
}

.choice-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.choice-list li {
  padding: 16px 20px;
  background-color: #faf7f5;
  border-radius: 6px;
  font-size: 14px;
  color: #1f2937;
}

.choice-list li strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: #0f172a;
}

/* ============================================================
   Pages — 合作流程
   ============================================================ */
.page-title-block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 24px;
}

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

.process-overview {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.process-overview .section-title {
  margin-bottom: 20px;
}

.process-figure {
  margin-bottom: 32px;
}

.process-figure img {
  aspect-ratio: 16 / 9;
}

.timeline {
  position: relative;
}

.timeline-item {
  position: relative;
  padding: 0 0 32px 32px;
  border-left: 2px solid #ff6b35;
  margin-left: 16px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 0;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #ff6b35;
  border: 2px solid #ffffff;
  box-shadow: 0 0 0 2px #ff6b35;
}

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

.timeline-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 8px;
}

.timeline-goal {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 12px;
}

.timeline-actions {
  list-style: none;
  margin-bottom: 12px;
}

.timeline-actions li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: #1f2937;
  margin-bottom: 6px;
}

.timeline-actions li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: #ff6b35;
  font-weight: 700;
}

.timeline-output {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 0;
}

.timeline-output strong {
  color: #0f172a;
}

.checklist-section {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.checklist-section .section-desc {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 24px;
}

.checklist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background-color: #faf7f5;
  border-radius: 6px;
  font-size: 15px;
  color: #1f2937;
}

.checkmark {
  display: inline-block;
  width: 22px;
  height: 22px;
  border: 2px solid #ff6b35;
  border-radius: 4px;
  flex-shrink: 0;
  margin-top: 2px;
}

.guidance-note {
  background-color: #fff1ec;
  border: 1px solid #ffd6c7;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.guidance-note .section-title {
  font-size: 20px;
  margin-bottom: 12px;
}

.guidance-note p {
  font-size: 15px;
  color: #1f2937;
  margin-bottom: 0;
}

.guidance-note p a {
  font-weight: 500;
}

/* ============================================================
   Pages — 常见问题
   ============================================================ */
.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.page-heading .page-lead {
  font-size: 16px;
  color: #64748b;
  max-width: 720px;
  margin-bottom: 0;
}

.faq-content {
  min-width: 0;
}

.faq-group {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.faq-group h2 {
  margin-bottom: 12px;
}

.group-intro {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 24px;
}

.faq-group .faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.faq-group .faq-item {
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  overflow: hidden;
}

.faq-group details summary {
  padding: 18px 24px;
  font-size: 15px;
  font-weight: 500;
  color: #0f172a;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: color 0.2s ease;
}

.faq-group details summary::-webkit-details-marker {
  display: none;
}

.faq-group details summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: #ff6b35;
  transition: transform 0.2s ease;
}

.faq-group details[open] summary::after {
  content: "−";
}

.faq-group details summary:hover {
  color: #ff6b35;
}

.faq-answer {
  padding: 0 24px 18px;
  font-size: 14px;
  color: #1f2937;
  border-top: 1px solid #e8e2dd;
  padding-top: 16px;
  margin-top: 0;
}

.faq-answer p {
  margin-bottom: 0;
}

.help-links {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.help-links h2 {
  margin-bottom: 12px;
}

.help-link-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.help-link-list li {
  padding: 16px 20px;
  background-color: #faf7f5;
  border-radius: 6px;
}

.help-link-list li a {
  font-size: 15px;
  font-weight: 500;
  display: block;
  margin-bottom: 4px;
}

.link-desc {
  font-size: 13px;
  color: #64748b;
}

.help-media {
  margin-top: 32px;
}

.help-media img {
  aspect-ratio: 16 / 9;
  max-width: 720px;
  margin: 0 auto;
}

/* ============================================================
   Pages — 关于我们
   ============================================================ */
.brand-philosophy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.philosophy-text h2 {
  margin-bottom: 12px;
}

.philosophy-text p {
  font-size: 15px;
  color: #1f2937;
}

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

.team-roles {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.team-roles h2 {
  margin-bottom: 12px;
}

.team-roles .section-desc {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 24px;
}

.role-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.role-item {
  padding: 20px 24px;
  background-color: #faf7f5;
  border-radius: 6px;
}

.role-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: #0f172a;
  margin-bottom: 6px;
}

.role-item p {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 0;
}

.compliance-list {
  background-color: #ffffff;
  border: 1px solid #e8e2dd;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.compliance-list h2 {
  margin-bottom: 12px;
}

.compliance-list > p {
  font-size: 15px;
  color: #64748b;
  margin-bottom: 24px;
}

.compliance-list ul {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.compliance-list ul li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  color: #1f2937;
}

.compliance-list ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #ff6b35;
  font-weight: 700;
}

.sidebar-card.brand-points p {
  font-size: 14px;
  color: #1f2937;
}

.sidebar-card.brand-points p strong {
  display: block;
  font-size: 15px;
  color: #0f172a;
  margin-bottom: 4px;
}

.sidebar-card.related-links ul li {
  margin-bottom: 10px;
}

.sidebar-card.related-links ul li a {
  font-size: 14px;
  color: #1f2937;
  transition: color 0.2s ease;
}

.sidebar-card.related-links ul li a:hover {
  color: #ff6b35;
}

/* ============================================================
   Pages — 404
   ============================================================ */
.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  padding: 64px 24px;
}

.error-section {
  text-align: center;
  max-width: 560px;
}

.error-code {
  font-size: 72px;
  font-weight: 700;
  color: #ff6b35;
  line-height: 1;
  margin-bottom: 16px;
}

.error-title {
  font-size: 28px;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #64748b;
  margin-bottom: 32px;
}

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

/* ============================================================
   Responsive — 响应式
   ============================================================ */
@media (max-width: 1024px) {
  .page-layout,
  .layout-shell {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 24px;
  }

  .hero-section {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
  }

  .quick-path-grid,
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .service-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .service-link {
    white-space: normal;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
    padding: 0 16px;
    gap: 16px;
  }

  .brand-name {
    font-size: 20px;
  }

  .site-nav {
    position: static;
    flex: 1;
  }

  .nav-list {
    display: none;
  }

  .nav-list.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: #0f172a;
    padding: 16px;
    gap: 4px;
    z-index: 99;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.3);
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 16px;
  }

  .header-cta {
    padding: 8px 16px;
    font-size: 14px;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: 1fr;
    padding: 0 16px;
    gap: 0;
  }

  .sidebar-area {
    margin-top: 32px;
  }

  .page-header {
    padding: 20px 16px 16px;
  }

  .page-title {
    font-size: 28px;
  }

  .breadcrumb {
    padding: 12px 16px 0;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    padding: 32px 16px 24px;
  }

  .hero-section {
    grid-template-columns: 1fr;
    padding: 48px 0;
    gap: 24px;
  }

  .hero-content {
    padding: 0 16px;
  }

  .hero-media {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 28px;
  }

  .quick-path-grid,
  .scenario-grid,
  .process-steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .quick-path,
  .services-overview,
  .scenarios-overview,
  .process-preview,
  .faq-teaser {
    padding: 40px 16px 0;
  }

  .cta-banner {
    margin: 40px 16px 0;
    padding: 32px 24px;
  }

  .cta-title {
    font-size: 22px;
  }

  .location-summary,
  .brand-philosophy {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 20px;
  }

  .scene-item {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 20px;
  }

  .scene-figure {
    order: -1;
  }

  .page-heading {
    flex-direction: column;
    gap: 16px;
  }

  .process-overview,
  .checklist-section,
  .guidance-note,
  .faq-group,
  .help-links,
  .team-roles,
  .compliance-list,
  .service-matrix,
  .comparison-table,
  .scene-choice {
    padding: 24px;
  }

  .timeline-item {
    padding-left: 24px;
    margin-left: 12px;
  }

  .error-code {
    font-size: 56px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 12px 16px;
  }

  .brand-logo {
    margin-right: auto;
  }

  .header-cta {
    display: none;
  }

  .nav-list.is-open {
    top: 60px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .hero-actions,
  .cta-actions,
  .error-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }

  .service-item {
    padding: 16px;
  }

  .quick-card {
    padding: 24px 20px;
  }

  .scenario-card h3 {
    padding: 16px 16px 0;
  }

  .scenario-desc {
    padding: 8px 16px 0;
  }

  .scenario-link {
    margin: 12px 16px 16px;
  }

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

  .comparison-table table {
    min-width: 480px;
  }

  .checklist-item {
    padding: 12px;
    font-size: 14px;
  }

  .faq-group details summary {
    padding: 14px 40px 14px 16px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 12px 16px 14px;
  }
}

/* ============================================================
   Print — 打印样式
   ============================================================ */
@media print {
  .site-header,
  .site-footer,
  .breadcrumb,
  .related-links,
  .sidebar-area,
  .sidebar,
  .print-btn,
  .header-cta,
  .nav-list,
  .cta-actions,
  .hero-actions {
    display: none !important;
  }

  body {
    background-color: #ffffff;
    color: #000000;
    font-size: 12pt;
  }

  .page-layout,
  .layout-shell {
    display: block;
    max-width: 100%;
    padding: 0;
  }

  .inner-main,
  .main-content {
    max-width: 100%;
  }

  .page-header {
    padding: 0 0 16px;
  }

  .page-title {
    font-size: 24pt;
  }

  h2 {
    font-size: 16pt;
  }

  h3 {
    font-size: 13pt;
  }

  p {
    font-size: 11pt;
    line-height: 1.6;
  }

  .hero-section,
  .quick-path,
  .services-overview,
  .scenarios-overview,
  .process-preview,
  .faq-teaser,
  .cta-banner {
    max-width: 100%;
    padding: 16px 0;
  }

  .hero-section {
    background-color: #ffffff;
    color: #000000;
  }

  .hero-title,
  .cta-title {
    color: #000000;
  }

  .hero-subtitle,
  .cta-desc {
    color: #333333;
  }

  .location-summary,
  .brand-philosophy,
  .scene-item {
    grid-template-columns: 1fr;
    padding: 16px 0;
    border: none;
  }

  .process-overview,
  .checklist-section,
  .guidance-note,
  .faq-group,
  .help-links,
  .team-roles,
  .compliance-list,
  .service-matrix,
  .comparison-table,
  .scene-choice {
    padding: 16px 0;
    border: none;
    margin-bottom: 16px;
  }

  .faq-group details {
    border: 1px solid #cccccc;
    margin-bottom: 8px;
  }

  .faq-group details summary {
    padding: 12px 16px;
  }

  .faq-answer {
    padding: 8px 16px 12px;
  }

  .timeline-item {
    border-left: 1px solid #999999;
  }

  .timeline-item::before {
    background-color: #999999;
    box-shadow: none;
  }

  img {
    max-width: 100%;
    page-break-inside: avoid;
  }

  .checkmark {
    border-color: #000000;
  }
}