/* ============================================================
   lhywx.cn · 51黑料在线观看 全站样式表
   设计方向：法律专业风 · 深藏蓝 / 暖金 / 米白
   字体：Noto Serif SC（标题） / Noto Sans SC（正文）
   分组：base / layout / components / pages / responsive
   ============================================================ */

/* ---------- base ---------- */
:root {
  --color-primary: #1B3A5C;
  --color-accent: #C9A063;
  --color-bg: #F7F5F2;
  --color-text: #2B2B2B;
  --color-card: #FFFFFF;
  --color-border: #D8D2C8;
  --color-muted: #6B6B6B;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --container-width: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary);
}

h1 { font-size: 32px; }
h2 { font-size: 24px; }
h3 { font-size: 18px; }

/* ---------- layout ---------- */
.site-header {
  background-color: var(--color-primary);
  border-bottom: 3px solid var(--color-accent);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.brand-logo:hover {
  color: var(--color-accent);
}

.main-nav ul {
  display: flex;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s, color 0.2s;
}

.main-nav a:hover {
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.12);
}

.main-nav a.is-current {
  color: #FFFFFF;
  background-color: rgba(201, 160, 99, 0.28);
  font-weight: 600;
}

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

.inner-main {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.8);
  margin-top: 80px;
}

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

.footer-col h3 {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--color-accent);
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* ---------- components ---------- */

/* 面包屑 */
.breadcrumb {
  padding: 20px 0 0;
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb-sep {
  color: var(--color-border);
}

.breadcrumb-current {
  color: var(--color-muted);
}

/* 页头标题区 */
.page-header {
  padding: 36px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.page-header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.page-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.page-header p {
  font-size: 16px;
  color: var(--color-muted);
  max-width: 720px;
}

/* 按钮 */
.btn-primary {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary:hover {
  background-color: #244E7A;
  border-color: #244E7A;
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  background-color: transparent;
  color: var(--color-primary);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  transition: background-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* 链接更多 */
.link-more {
  display: inline-block;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.link-more:hover {
  color: var(--color-accent);
}

/* FAQ 手风琴 */
.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 16px 20px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-primary);
  list-style: none;
  position: relative;
  padding-right: 48px;
  transition: background-color 0.2s;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--color-accent);
  font-weight: 400;
}

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

.faq-item summary:hover {
  background-color: rgba(201, 160, 99, 0.08);
}

.faq-answer {
  padding: 0 20px 16px;
  border-top: 1px solid var(--color-border);
}

.faq-answer p {
  padding-top: 12px;
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.7;
}

/* 时间线 */
.timeline-list {
  position: relative;
}

.timeline-item {
  display: flex;
  gap: 16px;
  padding-bottom: 24px;
  position: relative;
}

.timeline-item time {
  font-size: 13px;
  color: var(--color-muted);
  white-space: nowrap;
  padding-top: 4px;
}

.timeline-item h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.timeline-item p {
  font-size: 14px;
  color: var(--color-muted);
}

/* 步骤 */
.process-steps {
  padding: 64px 0;
}

.section-intro {
  font-size: 15px;
  color: var(--color-muted);
  margin: 12px 0 32px;
  max-width: 640px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

/* 相关链接 */
.related-links {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--color-border);
}

.related-links-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.related-links-item {
  font-size: 14px;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
}

.related-links-item:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 首页 ---------- */

/* hero */
.hero {
  position: relative;
  background-color: var(--color-primary);
  min-height: 480px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 80px 24px;
  width: 100%;
}

.hero-brand {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.hero-content h1 {
  font-size: 38px;
  color: #FFFFFF;
  margin-bottom: 16px;
  max-width: 640px;
}

.hero-sub {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.hero .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.hero .btn-primary:hover {
  background-color: #D4B37A;
  border-color: #D4B37A;
}

.hero .btn-secondary {
  border-color: rgba(255, 255, 255, 0.6);
  color: #FFFFFF;
}

.hero .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
}

/* 三重视野区 */
.triple-view {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1fr 1.1fr 0.9fr;
  gap: 32px;
}

.triple-view h2 {
  font-size: 22px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

/* 服务索引 */
.service-index-list li {
  margin-bottom: 16px;
}

.service-index-item a {
  display: flex;
  gap: 12px;
  align-items: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.service-index-item a:hover {
  border-color: var(--color-accent);
  box-shadow: 0 2px 8px rgba(27, 58, 92, 0.08);
}

.service-index-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.service-index-item h3 {
  font-size: 15px;
  margin-bottom: 2px;
}

.service-index-item p {
  font-size: 13px;
  color: var(--color-muted);
}

/* 近期动态 */
.timeline-item a {
  display: block;
}

.timeline-item a:hover h3 {
  color: var(--color-accent);
}

/* 合作要点 */
.tips-list li {
  padding: 16px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.tips-list h3 {
  font-size: 15px;
  margin-bottom: 4px;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}

.tips-list p {
  font-size: 14px;
  color: var(--color-muted);
}

/* 制作流程 */
.process {
  background-color: var(--color-card);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 64px 0;
}

.process > h2,
.process > .section-intro {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.process > h2 {
  font-size: 26px;
}

.process-steps {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.process-step .step-number {
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.process-step p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* FAQ 摘要 */
.faq-summary {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 64px 24px;
}

.faq-summary h2 {
  font-size: 26px;
  margin-bottom: 24px;
}

.faq-summary .faq-item {
  max-width: 760px;
}

/* CTA 横幅 */
.cta-banner {
  background-color: var(--color-primary);
  padding: 64px 24px;
  text-align: center;
}

.cta-banner h2 {
  font-size: 28px;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 24px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.cta-banner .btn-primary:hover {
  background-color: #D4B37A;
  border-color: #D4B37A;
}

/* ---------- 内页通用 ---------- */

.page-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
  padding-bottom: 64px;
}

/* ---------- 服务动态页 ---------- */

#dynamic-list-title,
.industry-title {
  font-size: 22px;
  margin: 40px 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

#dynamic-list-title:first-child {
  margin-top: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.timeline-date time {
  font-size: 13px;
  color: var(--color-muted);
}

.timeline-content {
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 20px;
  align-items: start;
}

.timeline-text h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.timeline-text p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 8px;
}

.timeline-text a {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.timeline-text a:hover {
  color: var(--color-accent);
}

.timeline-figure {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.timeline-figure img {
  width: 160px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* 侧栏说明 */
.side-notes {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 96px;
}

.side-notes h2 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.side-notes p {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

.side-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  margin-top: 8px;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.side-link:hover {
  color: var(--color-accent);
}

/* ---------- 业务板块页 ---------- */

.layout-shell {
  min-width: 0;
}

.service-overview {
  font-size: 16px;
  color: var(--color-muted);
  padding: 16px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-block-2,
.service-block-4 {
  grid-template-columns: 1fr 1fr;
}

.service-block-2 .service-media,
.service-block-4 .service-media {
  order: -1;
}

.service-content h2 {
  font-size: 24px;
  margin-bottom: 16px;
}

.service-content p {
  font-size: 15px;
  color: var(--color-muted);
  margin-bottom: 12px;
  line-height: 1.7;
}

.text-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.text-link:hover {
  color: var(--color-accent);
}

.service-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.service-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* 业务页 CTA */
.service-cta {
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  margin: 48px 0 32px;
}

.service-cta h2 {
  font-size: 24px;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.service-cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 20px;
}

.service-cta .btn-primary {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-primary);
}

.service-cta .btn-primary:hover {
  background-color: #D4B37A;
  border-color: #D4B37A;
}

/* 业务页侧栏 */
.service-related {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 96px;
}

.service-related h2 {
  font-size: 18px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.service-related p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.service-related a {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.service-related a:hover {
  color: var(--color-accent);
}

/* ---------- 合作指南页 ---------- */

.page-hezuo-zhinan .page-header {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-hezuo-zhinan .page-header p {
  margin-bottom: 24px;
}

.content-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 24px 0 48px;
}

.content-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.content-media figcaption {
  font-size: 13px;
  color: var(--color-muted);
  padding: 8px 0;
  text-align: center;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* 流程步骤 */
.page-hezuo-zhinan .process-steps {
  padding: 48px 0;
  display: block;
}

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

.step-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  min-width: 0;
}

.step-card .step-number {
  margin-bottom: 12px;
}

.step-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  min-width: 0;
  word-wrap: break-word;
}

/* 周期预估 */
.period-estimator {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 0;
  margin: 0 0 48px;
}

.estimator-panel {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  max-width: 640px;
}

.estimator-field {
  margin-bottom: 16px;
}

.estimator-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.estimator-field select {
  width: 100%;
  padding: 10px 12px;
  font-size: 15px;
  font-family: var(--font-sans);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-text);
}

.estimator-note {
  font-size: 13px;
  color: var(--color-muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

/* 材料清单 */
.material-checklist {
  padding: 48px 0;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.checklist li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 16px;
}

.check-icon {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
}

.check-icon::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border-right: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(45deg);
}

.check-content h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.check-content p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* 交付标准 */
.delivery-standard {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

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

.standard-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.standard-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}

.standard-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

/* 客户配合 */
.responsibility {
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}

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

.responsibility-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.responsibility-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.responsibility-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

.responsibility-note {
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-muted);
}

.responsibility-note a {
  font-weight: 600;
  margin-right: 16px;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2px;
}

.responsibility-note a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 公开信息页 ---------- */

.section-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 48px 24px;
  border-bottom: 1px solid var(--color-border);
}

.section-heading h2 {
  font-size: 26px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.position-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.position-text p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.position-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.position-image img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

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

.principle-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.principle-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
  padding-left: 12px;
  border-left: 3px solid var(--color-accent);
}

.principle-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.7;
}

.commitment-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.commitment-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.commitment-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.commitment-item p {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
}

/* ---------- 常见问题页 ---------- */

.faq-group-a,
.faq-group-b {
  padding: 32px 0;
}

.faq-group-a h2,
.faq-group-b h2 {
  font-size: 24px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
}

.faq-group-b {
  border-top: 1px solid var(--color-border);
}

.faq-notice {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
}

.faq-notice .container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: center;
}

.faq-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.faq-notice p {
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

.faq-notice a {
  display: inline-block;
  margin-right: 20px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
}

.faq-notice a:hover {
  color: var(--color-accent);
}

/* ---------- 404 页 ---------- */

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

.error-content {
  text-align: center;
  padding: 48px 24px;
  max-width: 600px;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 72px;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-content h1 {
  font-size: 28px;
  margin-bottom: 12px;
}

.error-desc {
  font-size: 16px;
  color: var(--color-muted);
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  padding: 12px 28px;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-primary);
  transition: background-color 0.2s;
}

.error-btn:hover {
  background-color: #244E7A;
  border-color: #244E7A;
  color: #FFFFFF;
}

/* ---------- responsive ---------- */

@media (max-width: 1024px) {
  .triple-view {
    grid-template-columns: 1fr 1fr;
  }

  .cooperation-tips {
    grid-column: 1 / -1;
  }

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

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

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

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

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

  .position-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .page-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .side-notes,
  .service-related {
    position: static;
  }

  .timeline-content {
    grid-template-columns: 1fr;
  }

  .timeline-figure img {
    width: 100%;
    height: 160px;
  }
}

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

  .brand-logo {
    font-size: 18px;
  }

  .main-nav a {
    padding: 6px 8px;
    font-size: 14px;
  }

  .hero {
    min-height: 400px;
  }

  .hero-content {
    padding: 48px 16px;
  }

  .hero-content h1 {
    font-size: 28px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .triple-view {
    grid-template-columns: 1fr;
    padding: 48px 16px;
    gap: 40px;
  }

  .cooperation-tips {
    grid-column: auto;
  }

  .process {
    padding: 48px 0;
  }

  .process > h2,
  .process > .section-intro {
    padding-left: 16px;
    padding-right: 16px;
  }

  .process-steps {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }

  .faq-summary {
    padding: 48px 16px;
  }

  .cta-banner {
    padding: 48px 16px;
  }

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

  .inner-main {
    padding: 0 16px;
  }

  .page-header {
    padding: 24px 0 20px;
    margin-bottom: 24px;
  }

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

  .page-title {
    font-size: 26px;
  }

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

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

  .timeline-content {
    grid-template-columns: 1fr;
  }

  .timeline-figure img {
    width: 100%;
    height: 180px;
  }

  .service-block,
  .service-block-2,
  .service-block-4 {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 32px 0;
  }

  .service-block-2 .service-media,
  .service-block-4 .service-media {
    order: 0;
  }

  .service-media img {
    height: 220px;
  }

  .service-cta {
    padding: 32px 20px;
    margin: 32px 0 24px;
  }

  .container {
    padding: 0 16px;
  }

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

  .standard-list {
    grid-template-columns: 1fr;
  }

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

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

  .principles-list {
    grid-template-columns: 1fr;
  }

  .commitment-list {
    grid-template-columns: 1fr;
  }

  .section-inner {
    padding: 40px 16px;
  }

  .faq-notice .container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .faq-image img {
    height: 180px;
  }

  .related-links {
    padding: 24px 16px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 8px;
  }

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

  .main-nav {
    width: 100%;
    overflow-x: auto;
  }

  .main-nav ul {
    gap: 0;
    flex-wrap: nowrap;
  }

  .main-nav a {
    padding: 6px 10px;
    font-size: 13px;
    white-space: nowrap;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    text-align: center;
  }

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

  .footer-bottom {
    padding: 12px 16px;
  }

  .timeline-item {
    padding: 16px 0;
  }

  .timeline-content {
    gap: 12px;
  }

  .timeline-figure img {
    height: 160px;
  }

  .service-media img {
    height: 200px;
  }

  .content-media img {
    height: 220px;
  }

  .estimator-panel {
    padding: 16px;
  }
}