/* ============================================================
   BASE — 全站基础变量、重置与排版骨架
   ============================================================ */
:root {
  --canvas: #f5f4f2;
  --card: #ffffff;
  --ink: #1f2937;
  --ink-soft: #6b7280;
  --accent: #b45309;
  --accent-soft: #fef3e2;
  --line: #e5e5e3;
  --line-dark: #d6d3d0;
  --white: #ffffff;
  --dark: #232323;
  --dark-soft: #2f2f2f;
  --radius: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07);
  --shadow-hover: 0 10px 24px rgba(0, 0, 0, 0.1);
  --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  --container: 1200px;
  --content-w: 760px;
  --aside-w: 320px;
  --header-h: 68px;
  --transition: 0.2s ease;
}

*,
*::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: var(--font-sans);
  background-color: var(--canvas);
  color: var(--ink);
  line-height: 1.7;
  font-size: 15px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: #92400e;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

h1 {
  font-size: 32px;
}

h2 {
  font-size: 24px;
}

h3 {
  font-size: 17px;
}

p {
  margin-bottom: 0.75em;
}

button {
  font-family: inherit;
  font-size: 14px;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

figure {
  margin: 0;
}

/* ============================================================
   LAYOUT — 容器、栅格、面包屑、页头页脚
   ============================================================ */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

.brand a {
  color: var(--ink);
}

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

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

.main-nav a {
  display: block;
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--ink);
  background: var(--canvas);
}

.main-nav a.is-current {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.site-footer {
  background: var(--dark);
  color: #b5b5b5;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.footer-col h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

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

.footer-col a {
  color: #a8a8a8;
  font-size: 14px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: #8a8a8a;
  max-width: var(--container);
  margin: 0 auto;
}

/* 面包屑 */
.breadcrumb,
.breadcrumb-wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px 24px 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

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

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

.breadcrumb-sep {
  color: #c0bdb8;
}

.breadcrumb-current {
  color: var(--ink);
  font-weight: 500;
}

/* 内页外壳 */
.page-layout,
.layout-shell {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--aside-w);
  gap: 40px;
  align-items: start;
}

.site-main.inner-main {
  min-width: 0;
}

/* 侧栏通用 */
.sidebar,
.page-aside,
.sidebar-area,
.page-sidebar {
  min-width: 0;
}

.sidebar-block,
.aside-block,
.side-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-block h2,
.aside-block h2,
.side-block h2 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.sidebar-block li,
.aside-block li,
.side-block li {
  margin-bottom: 8px;
}

.sidebar-block a,
.aside-block a,
.side-block a {
  font-size: 14px;
  color: var(--ink-soft);
  display: inline-block;
  padding: 2px 0;
}

.sidebar-block a:hover,
.aside-block a:hover,
.side-block a:hover {
  color: var(--accent);
}

/* 最近浏览记录（侧栏版） */
.recent-list li,
.recent-visit-list li {
  font-size: 13px;
  color: var(--ink-soft);
  padding: 4px 0;
  border-bottom: 1px dashed var(--line);
}

.recent-list li:last-child,
.recent-visit-list li:last-child {
  border-bottom: none;
}

/* ============================================================
   COMPONENTS — 按钮、卡片、步骤、FAQ、标签、筛选等
   ============================================================ */
.btn-primary,
.btn-secondary,
.btn-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}

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

.btn-primary:hover {
  background: #92400e;
  color: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line-dark);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-light {
  background: var(--white);
  color: var(--ink);
}

.btn-light:hover {
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-1px);
}

/* 元数据编号 */
.meta-id,
.meta-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

/* 服务卡片 */
.service-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--line-dark);
}

.service-card .meta-id {
  display: block;
  margin-bottom: 10px;
}

.service-card h2,
.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.service-card a {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-card a::after {
  content: "→";
  transition: transform var(--transition);
}

.service-card a:hover::after {
  transform: translateX(4px);
}

/* 筛选按钮 */
.filter-btn {
  padding: 8px 18px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--white);
  transition: all var(--transition);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.filter-group,
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.faq-item[open] {
  border-color: var(--line-dark);
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 20px;
  font-weight: 400;
  color: var(--ink-soft);
  flex-shrink: 0;
  transition: transform var(--transition);
}

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

.faq-item summary:hover {
  color: var(--accent);
}

.faq-answer,
.faq-item > p {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

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

.process-steps li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.process-steps li:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}

.process-steps h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.process-steps p {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 0;
}

/* 区块标题 */
.section-heading {
  margin-bottom: 32px;
}

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

.section-heading p {
  font-size: 14px;
  color: var(--ink-soft);
  max-width: 640px;
}

/* 相关内容链接条 */
.related-links {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
}

.related-links-label {
  color: var(--ink-soft);
  margin-right: 8px;
  font-weight: 500;
}

.related-links-item {
  padding: 6px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  transition: all var(--transition);
}

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

/* ============================================================
   PAGES — 首页及各内页模块
   ============================================================ */

/* ---------- 首页 ---------- */
.hero {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.hero-content {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 24px 56px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content h1 {
  font-size: 36px;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--ink-soft);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-media figure {
  margin: 0;
}

.hero-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.positioning-section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

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

.positioning-text p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.positioning-media img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.positioning-media figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 8px;
  text-align: right;
}

.services-matrix {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 64px 24px;
}

.matrix-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.scenarios-preview {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px;
}

.scenario-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
}

.scenario-row.reverse {
  direction: rtl;
}

.scenario-row.reverse > * {
  direction: ltr;
}

.scenario-text h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.scenario-text p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.scenario-media img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.process-preview {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 64px 24px;
}

.process-preview .section-heading,
.process-preview .process-steps,
.process-link {
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

.process-link {
  text-align: center;
  margin-top: 32px;
}

.faq-preview {
  max-width: var(--container);
  margin: 0 auto;
  padding: 64px 24px;
}

.faq-more-link {
  margin-top: 20px;
  font-size: 14px;
}

.cta-banner {
  background: var(--dark);
  color: var(--white);
  padding: 56px 24px;
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  font-size: 26px;
  margin-bottom: 12px;
}

.cta-banner p {
  color: #b5b5b5;
  margin-bottom: 24px;
}

.recent-visits {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px;
}

.recent-visits h2 {
  font-size: 18px;
  margin-bottom: 16px;
}

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

.visit-list a {
  display: block;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--ink);
  transition: all var(--transition);
}

.visit-list a:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.clear-history {
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: underline;
  padding: 4px 0;
}

.clear-history:hover {
  color: var(--accent);
}

/* ---------- 服务页 ---------- */
.page-header {
  margin-bottom: 24px;
}

.page-title {
  font-size: 30px;
}

.page-title-area {
  margin-bottom: 32px;
}

.page-title-area p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.page-title-figure img,
.title-figure img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.title-figure figcaption,
.advice-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 8px;
}

.section-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.service-filters {
  margin-bottom: 28px;
}

.service-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 40px;
}

.service-advice {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
}

.service-advice h2 {
  font-size: 18px;
  margin-bottom: 12px;
}

.service-advice p {
  font-size: 14px;
  color: var(--ink-soft);
}

.advice-figure img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-top: 16px;
}

/* ---------- 服务场景页 ---------- */
.scenario-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 20px;
}

.scenario-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.meta-tag {
  font-size: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 500;
}

.scenario-card h2 {
  font-size: 20px;
  margin-bottom: 10px;
}

.scenario-card > p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.scenario-steps {
  background: var(--canvas);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
}

.scenario-steps h3 {
  font-size: 15px;
  margin-bottom: 12px;
}

.scenario-steps ol {
  list-style: decimal;
  padding-left: 20px;
}

.scenario-steps li {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 6px;
  padding-left: 4px;
}

.scenario-output {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
}

.scenario-output h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.scenario-output p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.image-block {
  text-align: center;
  margin: 40px 0;
}

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

.scenario-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 10px;
}

/* ---------- 团队页 ---------- */
.philosophy-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 48px;
}

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

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

.philosophy-text p {
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.roles-block {
  margin-bottom: 48px;
}

.roles-block > h2 {
  margin-bottom: 24px;
}

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

.role-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.role-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.role-card h3 {
  font-size: 17px;
  margin-bottom: 6px;
}

.role-domain {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 14px;
}

.role-card p:last-child {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.method-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.method-block > h2 {
  margin-bottom: 24px;
}

.method-list li {
  display: flex;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

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

.method-step {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  flex-shrink: 0;
  width: 32px;
  padding-top: 2px;
}

.method-content h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.method-content p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 0;
}

/* ---------- 合作流程页 ---------- */
.process-steps-section {
  margin-bottom: 48px;
}

.process-steps-section > h2 {
  margin-bottom: 20px;
}

.process-image-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
}

.process-image-figure figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.process-steps-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.process-step-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.process-step-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  display: block;
  margin-bottom: 10px;
}

.process-step-item h3 {
  font-size: 16px;
  margin-bottom: 8px;
}

.process-step-item p {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.materials-section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 40px;
}

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

.materials-section > p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 24px;
}

.materials-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

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

.materials-list h3 {
  font-size: 15px;
  margin-bottom: 4px;
}

.materials-list p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.faq-link-section {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}

.faq-link-section h2 {
  color: var(--white);
  margin-bottom: 12px;
}

.faq-link-section p {
  color: #b5b5b5;
  font-size: 14px;
  margin-bottom: 24px;
}

/* ---------- FAQ 页 ---------- */
.faq-category-nav {
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}

.faq-category-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.faq-group {
  margin-bottom: 40px;
}

.faq-group > h2 {
  font-size: 18px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

/* ---------- 加入我们页 ---------- */
.careers-intro {
  margin-bottom: 32px;
}

.careers-intro-figure img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.position-filter {
  margin-bottom: 32px;
}

.position-filter .section-intro,
.apply-process .section-intro {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.position-list {
  margin-bottom: 48px;
}

.position-list > .section-title {
  margin-bottom: 20px;
}

.position-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.position-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.position-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.position-card-header h3 {
  font-size: 18px;
}

.position-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.position-card-body p {
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.apply-process {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.apply-process > .section-title {
  margin-bottom: 8px;
}

.apply-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.apply-step {
  background: var(--canvas);
  border-radius: var(--radius);
  padding: 20px;
}

.apply-step .step-number {
  font-size: 14px;
}

.apply-step h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.apply-step p {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 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: 480px;
}

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

.error-content h1 {
  font-size: 24px;
  margin-bottom: 12px;
}

.error-desc {
  color: var(--ink-soft);
  font-size: 15px;
  margin-bottom: 24px;
}

.error-link {
  display: inline-block;
  padding: 10px 24px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
}

.error-link:hover {
  background: #92400e;
  color: var(--white);
}

/* ============================================================
   RESPONSIVE — 768px 断点
   ============================================================ */
@media (max-width: 768px) {
  .header-inner {
    padding: 0 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .site-nav.is-open {
    max-height: 480px;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    gap: 2px;
  }

  .site-nav a {
    padding: 12px 16px;
    border-radius: var(--radius);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 16px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 16px;
  }

  .breadcrumb,
  .breadcrumb-wrap {
    padding: 12px 16px 0;
  }

  .page-layout,
  .layout-shell {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 24px 16px 48px;
  }

  .sidebar,
  .page-aside,
  .sidebar-area,
  .page-sidebar {
    order: 2;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 48px 16px 40px;
  }

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

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

  .positioning-section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 48px 16px;
  }

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

  .scenario-row,
  .scenario-row.reverse {
    grid-template-columns: 1fr;
    gap: 24px;
    direction: ltr;
  }

  .scenarios-preview {
    padding: 48px 16px;
  }

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

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

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

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

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

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

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

  .position-card-header {
    flex-direction: column;
    gap: 6px;
  }

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

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