/* ==========================================================================
   base / 基础样式
   ========================================================================== */

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

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: #333333;
  background-color: #f8f6f3;
}

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

a {
  color: #1f3a5f;
  text-decoration: none;
}

a:hover {
  color: #e67e22;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.35;
  color: #1f3a5f;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 18px;
}

p {
  margin-bottom: 12px;
}

/* ==========================================================================
   layout / 全站布局骨架
   ========================================================================== */

.site-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #f8f6f3;
}

.site-header {
  background-color: #1f3a5f;
  border-bottom: 3px solid #e67e22;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}

.brand-name {
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
}

.brand-slogan {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

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

.nav-list {
  display: flex;
  gap: 2px;
}

.nav-list li {
  position: relative;
}

.nav-link {
  display: block;
  padding: 8px 12px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 4px;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
}

.nav-link.is-current {
  color: #ffffff;
  background-color: #e67e22;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
}

.site-main {
  flex: 1;
}

.site-footer {
  background-color: #1f3a5f;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 60px;
}

.footer-columns {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: 40px;
}

.footer-col h3 {
  font-size: 16px;
  color: #ffffff;
  margin-bottom: 16px;
}

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

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

.footer-col ul a:hover {
  color: #e67e22;
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 8px;
}

.footer-brand h3 {
  margin-bottom: 12px;
}

.copyright {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
}

/* 内页统一骨架 */

.inner-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.breadcrumb {
  padding: 20px 0 4px;
  font-size: 14px;
  color: #888888;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: #1f3a5f;
}

.breadcrumb a:hover {
  color: #e67e22;
}

.breadcrumb-sep {
  color: #bbbbbb;
}

.breadcrumb-current {
  color: #666666;
}

.page-header {
  padding: 16px 0 8px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: #1f3a5f;
  line-height: 1.4;
}

.page-title-area {
  padding: 8px 0 24px;
  color: #555555;
}

.page-title-area p {
  margin-bottom: 8px;
}

/* ==========================================================================
   components / 通用组件
   ========================================================================== */

.btn {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.btn-primary {
  background-color: #e67e22;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #d06e1a;
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  border-color: #1f3a5f;
  color: #1f3a5f;
}

.btn-secondary:hover {
  background-color: #1f3a5f;
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  border-color: #1f3a5f;
  color: #1f3a5f;
  font-size: 14px;
  padding: 8px 20px;
}

.btn-outline:hover {
  background-color: #1f3a5f;
  color: #ffffff;
}

/* 面包屑导航 */
.breadcrumb {
  padding: 20px 0 4px;
  font-size: 14px;
  color: #888888;
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb a {
  color: #1f3a5f;
}

.breadcrumb a:hover {
  color: #e67e22;
}

.breadcrumb-sep {
  color: #bbbbbb;
}

.breadcrumb-current {
  color: #666666;
}

/* 折叠面板 */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid #e5e0da;
  border-radius: 6px;
  background-color: #ffffff;
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: #1f3a5f;
  cursor: pointer;
  position: relative;
  list-style: none;
  padding-right: 40px;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: #e67e22;
  font-weight: 400;
}

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

.faq-item p,
.faq-answer {
  padding: 0 20px 16px;
  font-size: 15px;
  color: #555555;
}

.faq-item[open] summary {
  border-bottom: 1px solid #f0ece6;
}

/* 标签切换 */
.tab-list {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid #e5e0da;
  margin-bottom: 24px;
}

.tab-button {
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  color: #666666;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.tab-button:hover {
  color: #1f3a5f;
}

.tab-button.is-active {
  color: #1f3a5f;
  border-bottom-color: #e67e22;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

/* 步骤条 */
.steps-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-item {
  text-align: center;
  padding: 24px 16px;
  background-color: #ffffff;
  border-radius: 6px;
  border: 1px solid #e5e0da;
  position: relative;
}

.step-num,
.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #1f3a5f;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-item h3 {
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

/* 卡片通用 */
.service-card {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: #e67e22;
  box-shadow: 0 4px 12px rgba(31, 58, 95, 0.08);
}

.service-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
}

.service-card p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 10px;
}

.card-link {
  font-size: 14px;
  font-weight: 600;
  color: #e67e22;
}

.card-link:hover {
  color: #1f3a5f;
}

/* 相关链接 */
.related-links {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 20px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.related-links-label {
  font-size: 15px;
  font-weight: 600;
  color: #1f3a5f;
  margin-right: 8px;
}

.related-links-item {
  display: inline-block;
  padding: 6px 16px;
  font-size: 14px;
  color: #1f3a5f;
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 20px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.related-links-item:hover {
  border-color: #e67e22;
  color: #e67e22;
}

/* ==========================================================================
   pages / 页面专用样式
   ========================================================================== */

/* ---------- 首页 ---------- */

.hero-section {
  background-color: #1f3a5f;
  padding: 48px 20px 56px;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 32px;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.4;
}

.hero-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions .btn-primary {
  background-color: #e67e22;
}

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

.hero-actions .btn-secondary:hover {
  background-color: #ffffff;
  color: #1f3a5f;
}

.hero-media img {
  width: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.quick-entries {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 16px;
}

.section-title {
  margin-bottom: 24px;
}

.entry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.entry-card {
  display: block;
  background-color: #ffffff;
  border: 2px solid #e5e0da;
  border-radius: 6px;
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.entry-card:hover {
  transform: translateY(-3px);
  border-color: #e67e22;
}

.entry-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: #1f3a5f;
}

.entry-card p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.service-matrix {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 16px;
}

.matrix-header {
  margin-bottom: 24px;
}

.section-desc {
  font-size: 15px;
  color: #666666;
  max-width: 720px;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.matrix-media {
  margin-top: 24px;
}

.matrix-media img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.coverage-scene {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 16px;
}

.scene-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

.scene-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.scene-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.scene-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.scene-more {
  text-align: center;
  margin-top: 16px;
}

.scene-more a {
  font-size: 15px;
  font-weight: 600;
  color: #e67e22;
}

.scene-more a:hover {
  color: #1f3a5f;
}

.cooperation-steps {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 16px;
}

.steps-more {
  text-align: center;
  margin-top: 20px;
}

.steps-more a {
  font-size: 15px;
  font-weight: 600;
  color: #e67e22;
}

.steps-more a:hover {
  color: #1f3a5f;
}

.faq-preview {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 20px 16px;
}

.faq-links {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ---------- 服务内容页 ---------- */

.service-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  padding: 16px 0 40px;
  align-items: center;
}

.intro-text h2 {
  margin-bottom: 16px;
}

.intro-text p {
  margin-bottom: 12px;
}

.intro-media img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.intro-media figcaption {
  font-size: 13px;
  color: #888888;
  text-align: center;
  padding-top: 8px;
}

.service-items {
  padding-bottom: 40px;
}

.service-items > h2 {
  margin-bottom: 20px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-grid .service-card p {
  margin-bottom: 12px;
}

.service-grid .service-card strong {
  color: #1f3a5f;
}

.comparison-table {
  padding-bottom: 40px;
}

.comparison-table h2 {
  margin-bottom: 20px;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  overflow: hidden;
}

.comparison-table th,
.comparison-table td {
  padding: 14px 16px;
  border: 1px solid #e5e0da;
  text-align: left;
  font-size: 14px;
  vertical-align: top;
}

.comparison-table th {
  background-color: #1f3a5f;
  color: #ffffff;
  font-weight: 600;
}

.comparison-table tbody th {
  background-color: #f0ece6;
  color: #1f3a5f;
  font-weight: 600;
  width: 140px;
}

.table-note {
  font-size: 13px;
  color: #888888;
  margin-top: 12px;
}

.delivery-standard {
  padding-bottom: 40px;
}

.delivery-standard h2 {
  margin-bottom: 20px;
}

.standard-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.standard-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.standard-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.standard-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.cta-panel {
  background-color: #2a9d8f;
  border-radius: 8px;
  padding: 40px;
  margin: 24px 0 48px;
  text-align: center;
}

.cta-panel h2 {
  color: #ffffff;
  margin-bottom: 12px;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 20px;
}

.cta-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-links a {
  display: inline-block;
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  background-color: #ffffff;
  color: #1f3a5f;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.cta-links a:hover {
  background-color: #1f3a5f;
  color: #ffffff;
}

/* ---------- 服务范围页 ---------- */

.coverage-summary {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  padding: 16px 0 40px;
  align-items: start;
}

.summary-text h2 {
  margin-bottom: 16px;
}

.summary-text p {
  margin-bottom: 12px;
}

.summary-note {
  background-color: #ffffff;
  border-left: 4px solid #e67e22;
  border-radius: 0 6px 6px 0;
  padding: 20px;
}

.summary-note p {
  font-size: 14px;
  color: #555555;
  margin-bottom: 0;
}

.coverage-list-section {
  padding-bottom: 40px;
}

.coverage-list-section h2 {
  margin-bottom: 8px;
}

.section-subtitle {
  font-size: 15px;
  color: #666666;
  margin-bottom: 20px;
}

.coverage-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-item {
  display: inline-block;
  padding: 8px 20px;
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 20px;
  font-size: 14px;
  color: #1f3a5f;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.tag-item:hover {
  border-color: #e67e22;
  background-color: #fdf6f0;
}

.scenario-cards-section {
  padding-bottom: 40px;
}

.scenario-cards-section h2 {
  margin-bottom: 8px;
}

.scenario-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scenario-card {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.scenario-card:hover {
  transform: translateY(-3px);
  border-color: #e67e22;
}

.card-text {
  padding: 20px;
}

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

.card-text p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.card-media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-media figcaption {
  font-size: 12px;
  color: #999999;
  padding: 6px 12px;
  background-color: #f8f6f3;
}

.delivery-method-section {
  padding-bottom: 40px;
}

.delivery-method-section h2 {
  margin-bottom: 8px;
}

.delivery-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.delivery-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.delivery-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.delivery-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.coverage-cta {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
  text-align: center;
}

.coverage-cta h2 {
  margin-bottom: 12px;
}

.coverage-cta p {
  font-size: 15px;
  color: #555555;
  margin-bottom: 12px;
}

.coverage-cta a {
  display: inline-block;
  margin: 4px 8px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  background-color: #1f3a5f;
  color: #ffffff;
}

.coverage-cta a:hover {
  background-color: #e67e22;
  color: #ffffff;
}

/* ---------- 合作流程页 ---------- */

.steps-section {
  padding-bottom: 40px;
}

.section-head {
  margin-bottom: 24px;
}

.section-head h2 {
  margin-bottom: 8px;
}

.section-head p {
  font-size: 15px;
  color: #666666;
  margin-bottom: 0;
}

.steps-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.steps-list .step-item {
  display: flex;
  gap: 16px;
  text-align: left;
  align-items: flex-start;
  padding: 20px;
}

.steps-list .step-number {
  flex-shrink: 0;
  margin-bottom: 0;
  margin-top: 4px;
}

.steps-list .step-item h3 {
  margin-bottom: 6px;
}

.steps-figure img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.steps-figure figcaption {
  font-size: 13px;
  color: #888888;
  text-align: center;
  padding-top: 8px;
}

.delivery-standards-section {
  padding-bottom: 40px;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.standard-card {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

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

.standard-card p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.client-rights-section {
  padding-bottom: 40px;
}

.rights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.rights-block {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.rights-block h3 {
  margin-bottom: 12px;
  font-size: 17px;
  padding-bottom: 8px;
  border-bottom: 2px solid #f0ece6;
}

.rights-block ul li {
  padding: 6px 0;
  font-size: 14px;
  color: #555555;
  position: relative;
  padding-left: 18px;
}

.rights-block ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #2a9d8f;
}

/* ---------- 常见问题页 ---------- */

.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.faq-guide {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  align-items: center;
  padding: 16px 0 40px;
}

.faq-guide-figure img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.faq-guide-text h2 {
  margin-bottom: 16px;
}

.faq-guide-text p {
  font-size: 15px;
  color: #555555;
  margin-bottom: 12px;
}

.faq-tabs {
  padding-bottom: 40px;
}

.faq-extra {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
}

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

.faq-extra p {
  font-size: 15px;
  color: #555555;
  margin-bottom: 12px;
}

.faq-extra a {
  display: inline-block;
  margin: 4px 8px 4px 0;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  background-color: #1f3a5f;
  color: #ffffff;
}

.faq-extra a:hover {
  background-color: #e67e22;
  color: #ffffff;
}

/* ---------- 资料中心页 ---------- */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.resource-list-section {
  padding-bottom: 40px;
}

.resource-list-head {
  margin-bottom: 24px;
}

.resource-list-head h2 {
  margin-bottom: 8px;
}

.resource-list-head p {
  font-size: 15px;
  color: #666666;
  margin-bottom: 0;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.resource-card {
  display: flex;
  gap: 16px;
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.resource-card:hover {
  transform: translateY(-3px);
  border-color: #e67e22;
}

.resource-card-media {
  flex-shrink: 0;
  width: 120px;
}

.resource-card-media img {
  width: 120px;
  height: 90px;
  object-fit: cover;
  border-radius: 4px;
}

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

.resource-card-body p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 8px;
}

.resource-link {
  font-size: 14px;
  font-weight: 600;
  color: #e67e22;
}

.resource-link:hover {
  color: #1f3a5f;
}

.reading-guide-section {
  padding-bottom: 40px;
}

.reading-guide-section h2 {
  margin-bottom: 20px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.guide-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.guide-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.guide-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.related-links-section {
  padding-bottom: 40px;
}

.related-links-section h2 {
  margin-bottom: 8px;
}

.related-links-section > p {
  font-size: 15px;
  color: #666666;
  margin-bottom: 20px;
}

.reading-path-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.reading-path-list li a {
  display: block;
  padding: 12px 16px;
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: #1f3a5f;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.reading-path-list li a:hover {
  border-color: #e67e22;
  color: #e67e22;
}

/* ---------- 客户服务页 ---------- */

.account-summary {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 16px 0 40px;
}

.account-summary-content h2 {
  margin-bottom: 16px;
}

.account-summary-content p {
  margin-bottom: 12px;
}

.account-figure img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.account-figure figcaption {
  font-size: 13px;
  color: #888888;
  text-align: center;
  padding-top: 8px;
}

.benefit-section {
  padding-bottom: 40px;
}

.benefit-section h2 {
  margin-bottom: 8px;
}

.benefit-section > p {
  font-size: 15px;
  color: #666666;
  margin-bottom: 20px;
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.benefit-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.benefit-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.benefit-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.usage-record {
  padding-bottom: 40px;
}

.usage-record h2 {
  margin-bottom: 8px;
}

.usage-record > p {
  font-size: 15px;
  color: #666666;
  margin-bottom: 20px;
}

.record-example {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.record-example h3 {
  margin-bottom: 16px;
  font-size: 17px;
}

.record-example ul li {
  padding: 8px 0;
  font-size: 14px;
  color: #555555;
  border-bottom: 1px solid #f0ece6;
}

.record-example ul li:last-child {
  border-bottom: none;
}

.record-example ul li strong {
  color: #1f3a5f;
  margin-right: 8px;
}

.record-example > p {
  font-size: 13px;
  color: #999999;
  margin-top: 12px;
  margin-bottom: 0;
}

.privacy-setting {
  padding-bottom: 40px;
}

.privacy-setting h2 {
  margin-bottom: 8px;
}

.privacy-setting > p {
  font-size: 15px;
  color: #666666;
  margin-bottom: 20px;
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.privacy-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.privacy-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.privacy-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.service-guide {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
}

.service-guide h2 {
  margin-bottom: 12px;
}

.service-guide p {
  font-size: 15px;
  color: #555555;
  margin-bottom: 0;
}

.service-guide a {
  display: inline-block;
  margin: 4px 8px 4px 0;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  background-color: #1f3a5f;
  color: #ffffff;
}

.service-guide a:hover {
  background-color: #e67e22;
  color: #ffffff;
}

/* ---------- 关于我们页 ---------- */

.about-intro {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 16px 0 40px;
}

.intro-copy h2 {
  margin-bottom: 16px;
}

.intro-copy p {
  margin-bottom: 12px;
}

.intro-media img {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.principle-list {
  padding-bottom: 40px;
}

.principle-list h2 {
  margin-bottom: 20px;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.principle-item {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 6px;
  padding: 24px;
}

.principle-item h3 {
  margin-bottom: 8px;
  font-size: 17px;
}

.principle-item p {
  font-size: 14px;
  color: #666666;
  margin-bottom: 0;
}

.mission {
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 48px;
}

.mission h2 {
  margin-bottom: 12px;
}

.mission p {
  font-size: 15px;
  color: #555555;
  margin-bottom: 12px;
}

.mission p:last-child {
  margin-bottom: 0;
}

/* ---------- 404 页 ---------- */

.error-main {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  padding: 40px 20px;
}

.error-panel {
  text-align: center;
  max-width: 520px;
  background-color: #ffffff;
  border: 1px solid #e5e0da;
  border-radius: 8px;
  padding: 48px 32px;
}

.error-title {
  font-size: 48px;
  color: #1f3a5f;
  margin-bottom: 16px;
}

.error-desc {
  font-size: 16px;
  color: #666666;
  margin-bottom: 24px;
}

.error-btn {
  display: inline-block;
  padding: 10px 28px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  background-color: #1f3a5f;
  color: #ffffff;
  transition: background-color 0.2s ease;
}

.error-btn:hover {
  background-color: #e67e22;
  color: #ffffff;
}

/* ==========================================================================
   responsive / 响应式
   ========================================================================== */

@media (max-width: 1024px) {
  .header-inner {
    padding: 0 16px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 14px;
  }

  .hero-content {
    gap: 24px;
  }

  .steps-layout,
  .service-intro,
  .coverage-summary,
  .faq-guide,
  .account-summary,
  .about-intro {
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: auto;
    min-height: 68px;
    flex-wrap: wrap;
    padding: 10px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    flex-basis: 100%;
    order: 3;
  }

  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    padding: 8px 0 16px;
    gap: 4px;
  }

  .nav-list.is-open {
    display: flex;
  }

  .nav-list li {
    width: 100%;
  }

  .nav-link {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
    white-space: normal;
    border-radius: 4px;
  }

  .nav-link.is-current {
    background-color: #e67e22;
  }

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

  .hero-content h1 {
    font-size: 26px;
  }

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

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

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

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

  .standard-list,
  .delivery-list,
  .standards-grid,
  .guide-grid,
  .benefit-list,
  .privacy-grid,
  .principle-grid,
  .scenario-cards {
    grid-template-columns: 1fr;
  }

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

  .service-intro,
  .coverage-summary,
  .steps-layout,
  .faq-guide,
  .account-summary,
  .about-intro {
    grid-template-columns: 1fr;
  }

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

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

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

  .resource-card {
    flex-direction: column;
  }

  .resource-card-media {
    width: 100%;
  }

  .resource-card-media img {
    width: 100%;
    height: 160px;
  }

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

  .footer-col.footer-brand {
    grid-column: 1 / -1;
  }

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

  .comparison-table table {
    min-width: 640px;
  }

  .cta-panel {
    padding: 28px 20px;
  }

  .faq-item summary {
    font-size: 15px;
    padding: 14px 40px 14px 16px;
  }

  .faq-item p,
  .faq-answer {
    padding: 0 16px 14px;
  }
}

@media (max-width: 480px) {
  .header-inner {
    padding: 8px 12px;
  }

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

  .brand-slogan {
    font-size: 11px;
  }

  .inner-main {
    padding: 0 12px;
  }

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

  .hero-section {
    padding: 32px 16px 40px;
  }

  .hero-content h1 {
    font-size: 24px;
  }

  .hero-actions {
    flex-direction: column;
  }

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

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

  .faq-links {
    flex-direction: column;
  }

  .faq-links .btn {
    width: 100%;
    text-align: center;
  }

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

  .footer-col.footer-brand {
    grid-column: auto;
  }

  .tab-button {
    padding: 10px 12px;
    font-size: 14px;
  }

  .tab-list {
    flex-wrap: wrap;
  }

  .cta-links {
    flex-direction: column;
  }

  .cta-links a {
    width: 100%;
    text-align: center;
  }

  .coverage-cta a {
    display: block;
    margin: 8px 0;
  }

  .faq-extra a {
    display: block;
    margin: 8px 0;
    text-align: center;
  }

  .service-guide a {
    display: block;
    margin: 8px 0;
    text-align: center;
  }
}

/* 程序验收反馈：移动端防溢出 */
@media (max-width: 768px) {
  .site-main,
  .site-main * {
    min-width: 0;
    max-width: 100%;
  }

  .site-main :is(h1, h2, h3, h4, p, a, span) {
    overflow-wrap: anywhere;
  }
}