/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #ff2442;
  --primary-dark: #d91f3a;
  --text: #1a1a2e;
  --text-light: #5a5a6e;
  --bg: #ffffff;
  --bg-soft: #f8f9fb;
  --bg-dark: #0f0f1a;
  --border: #e8e8ef;
  --radius: 12px;
  --shadow: 0 10px 40px rgba(26, 26, 46, 0.08);
  --shadow-hover: 0 20px 60px rgba(26, 26, 46, 0.12);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 50px;
  font-weight: 500;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  font-size: 15px;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 36, 66, 0.3);
}

.btn-outline {
  border: 1.5px solid var(--text);
  color: var(--text);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding-left: 0;
  padding-right: 0;
  max-width: none;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
}

.logo-icon {
  font-size: 24px;
}

.nav {
  display: flex;
  gap: 32px;
  justify-content: center;
  transform: translateX(-45px);
}

.nav a {
  font-size: 16px;
  color: var(--text-light);
  transition: color 0.2s;
}

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

/* Hero */
.hero {
  padding: 100px 0 120px;
  background: linear-gradient(135deg, #fff5f7 0%, #ffffff 50%, #f5f8ff 100%);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-text .highlight {
  color: var(--primary);
  position: relative;
}

.hero-text .highlight::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 100%;
  height: 12px;
  background: rgba(255, 36, 66, 0.15);
  border-radius: 4px;
  z-index: -1;
}

.hero-sub {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.hero-stats div {
  display: flex;
  flex-direction: column;
}

.hero-stats strong {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
}

.hero-stats span {
  font-size: 14px;
  color: var(--text-light);
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
}

.search-card {
  background: var(--bg);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-hover);
  width: 100%;
  max-width: 420px;
  position: relative;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-soft);
  border-radius: 50px;
  padding: 14px 20px;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}

.search-icon {
  color: var(--text-light);
}

.search-text {
  color: var(--text);
  font-size: 15px;
}

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

.result-item {
  display: flex;
  gap: 14px;
  padding: 14px;
  border-radius: 14px;
  background: var(--bg-soft);
  transition: all 0.2s;
}

.result-item.active {
  background: #fff0f2;
  border: 1px solid rgba(255, 36, 66, 0.2);
}

.result-thumb {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ffdde3, #e0e7ff);
  flex-shrink: 0;
}

.result-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}

.result-meta {
  font-size: 12px;
  color: var(--text-light);
}

.rank-badge {
  position: absolute;
  top: -14px;
  right: -14px;
  background: var(--primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(255, 36, 66, 0.35);
}

/* Sections */
section {
  padding: 100px 0;
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 36px;
  margin-bottom: 16px;
  font-weight: 800;
}

.section-head p {
  color: var(--text-light);
  font-size: 17px;
}

/* Services */
.services {
  background: var(--bg);
}

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

.service-card {
  padding: 36px;
  border-radius: var(--radius);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  transition: all 0.3s;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(255, 36, 66, 0.2);
}

.service-icon {
  font-size: 36px;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
}

/* Why */
.why {
  background: var(--bg-dark);
  color: #fff;
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.why-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.why-text > p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  margin-bottom: 32px;
}

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

.why-list li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
}

.why-list li strong {
  color: #fff;
  display: block;
  margin-bottom: 4px;
}

.why-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.why-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 30px;
}

.why-num {
  font-size: 14px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.why-card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.why-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

/* Cases */
.cases {
  background: var(--bg-soft);
}

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

.case-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
  border-top: 4px solid var(--primary);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.case-tag {
  display: inline-block;
  background: rgba(255, 36, 66, 0.1);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.case-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.case-desc {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.case-data {
  display: flex;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.case-data div {
  display: flex;
  flex-direction: column;
}

.case-data strong {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.case-data span {
  font-size: 13px;
  color: var(--text-light);
}

/* Process */
.process {
  background: var(--bg);
}

.process-list {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 16px;
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 36px 24px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.process-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 18px;
}

.process-step h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

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

.process-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  font-weight: 700;
}

/* About */
.about {
  background: var(--bg-soft);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

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

.about-values {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.about-values span {
  background: #fff;
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 14px;
  color: var(--text);
}

.about-visual {
  display: flex;
  justify-content: center;
}

.about-card {
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  max-width: 360px;
}

.about-icon {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  z-index: 1;
}

.about-logo-img {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(6.3) rotate(-90deg);
  width: 64px;
  height: 64px;
  object-fit: contain;
  z-index: 1;
}

.about-card-title {
  position: relative;
  z-index: 2;
  margin-top: 100px;
}

.about-card p {
  position: relative;
  z-index: 2;
}

.about-card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.about-card p {
  color: var(--text-light);
  font-size: 15px;
}

/* XHS SEO Section */
.xhs-seo {
  background: #fff8f9;
}

.xhs-inner,
.geo-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.xhs-text h2,
.geo-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.xhs-text > p,
.geo-text > p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

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

.feature-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-light);
  line-height: 1.8;
}

.feature-list li strong {
  color: var(--text);
  display: block;
  margin-bottom: 4px;
}

.feature-list.light li {
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
}

.feature-list.light li strong {
  color: #fff;
}

.xhs-cards,
.geo-checklist {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.xhs-card,
.geo-checklist {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

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

.xhs-card p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
}

/* GEO Section */
.geo {
  background: var(--bg-dark);
  color: #fff;
}

.geo-checklist {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.geo-checklist h3 {
  font-size: 20px;
  margin-bottom: 20px;
}

.geo-checklist ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.geo-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
}

.geo-checklist .check {
  color: #2ecc71;
  font-weight: 700;
  flex-shrink: 0;
}

/* FAQ Section */
.faq {
  background: var(--bg-soft);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item summary {
  padding: 24px 28px;
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 24px;
  color: var(--primary);
  font-weight: 300;
}

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

.faq-item p {
  padding: 0 28px 24px;
  color: var(--text-light);
  line-height: 1.8;
  font-size: 15px;
}

/* Page Header */
.page-header {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #fff5f7 0%, #f5f8ff 100%);
  text-align: center;
}

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

.page-header h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 16px;
}

.page-header p {
  color: var(--text-light);
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto;
}

/* Active Nav Link */
.logo-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 6px;
}

.nav a.active {
  color: var(--primary);
  font-weight: 600;
}

.nav a.active::after {
  content: "";
  display: block;
  width: 100%;
  height: 2px;
  background: var(--primary);
  margin-top: 4px;
  border-radius: 2px;
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Services Preview */
.services-preview {
  background: var(--bg);
  padding: 100px 0;
}

.text-center {
  text-align: center;
}

/* CTA Section */
.cta-section {
  background: var(--bg-dark);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.cta-inner h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.cta-inner p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
  margin-bottom: 28px;
}

/* Team Values */
.team-values {
  background: var(--bg-soft);
  padding: 100px 0;
}

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

.value-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  text-align: center;
}

.value-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.value-card p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
}

/* Contact Note */
.contact-note {
  margin-top: 32px;
  padding: 24px;
  background: var(--bg-soft);
  border-radius: var(--radius);
}

.contact-note strong {
  display: block;
  margin-bottom: 10px;
}

.contact-note ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}

/* Contact */
.contact {
  background: linear-gradient(135deg, #fff5f7 0%, #f5f8ff 100%);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.contact-text h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.contact-text > p {
  color: var(--text-light);
  font-size: 17px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
}

.contact-row span:first-child {
  font-size: 20px;
}

.contact-form {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-hover);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding: 60px 0 30px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  width: 100%;
}

.footer .logo {
  color: #fff;
  font-size: 28px;
  gap: 0;
  justify-content: center;
  position: relative;
  padding-left: 68px;
  transform: translateX(-34px);
}

.footer .logo-img {
  width: 56px;
  height: 56px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  margin: 12px auto 0;
  font-size: 15px;
  text-align: center;
  width: 100%;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}

/* Article Page */
.article-page {
  padding: 120px 0 80px;
  background: var(--bg);
}

.article-inner {
  max-width: 800px;
}

.article-header {
  margin-bottom: 48px;
  text-align: center;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-light);
}

.article-tag {
  background: rgba(255, 36, 66, 0.1);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-weight: 600;
}

.article-header h1 {
  font-size: 38px;
  line-height: 1.3;
  margin-bottom: 20px;
}

.article-summary {
  font-size: 18px;
  color: var(--text-light);
  line-height: 1.8;
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.article-content h2 {
  font-size: 26px;
  margin: 48px 0 20px;
  font-weight: 700;
}

.article-content h3 {
  font-size: 20px;
  margin: 32px 0 14px;
  font-weight: 600;
}

.article-content p {
  margin-bottom: 18px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 10px;
}

.article-tags {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 15px;
}

.article-tags span {
  color: var(--text-light);
}

.article-tags a {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 50px;
  margin-left: 8px;
  margin-bottom: 8px;
  font-size: 14px;
  transition: all 0.2s;
}

.article-tags a:hover {
  background: var(--primary);
  color: #fff;
}

.article-source {
  margin-top: 24px;
  padding: 20px;
  background: var(--bg-soft);
  border-radius: var(--radius);
  font-size: 15px;
}

.article-source a {
  color: var(--primary);
  text-decoration: underline;
}

.article-cta {
  margin-top: 48px;
  padding: 40px;
  background: linear-gradient(135deg, #fff5f7 0%, #f5f8ff 100%);
  border-radius: var(--radius);
  text-align: center;
}

.article-cta h3 {
  font-size: 24px;
  margin-bottom: 12px;
}

.article-cta p {
  color: var(--text-light);
  margin-bottom: 20px;
}

/* Insights List */
.insights-list {
  padding: 80px 0;
  background: var(--bg);
}

.article-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.article-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  transition: all 0.3s;
}

.article-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.article-card-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: center;
}

.article-card-tag {
  background: rgba(255, 36, 66, 0.1);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}

.article-card-date {
  color: var(--text-light);
  font-size: 14px;
}

.article-card h3 {
  font-size: 22px;
  margin-bottom: 16px;
}

.article-card h3 a {
  transition: color 0.2s;
}

.article-card h3 a:hover {
  color: var(--primary);
}

.article-card > p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.article-card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.article-card-tags span {
  background: #fff;
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-light);
}

.article-card .btn {
  margin-top: 8px;
}

/* Breadcrumb */
.breadcrumb {
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-light);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin-left: 8px;
  color: var(--text-light);
}

.breadcrumb a {
  color: var(--text-light);
  transition: color 0.2s;
}

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

.breadcrumb [aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}

/* Article prev/next navigation */
.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.article-nav a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.25s ease;
}

.article-nav a:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.article-nav-prev {
  text-align: left;
}

.article-nav-next {
  text-align: right;
  align-items: flex-end;
}

.article-nav-label {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 500;
}

.article-nav-title {
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
}

.article-nav-placeholder {
  display: block;
}

@media (max-width: 640px) {
  .article-nav {
    grid-template-columns: 1fr;
  }

  .article-nav-next {
    text-align: left;
    align-items: flex-start;
  }

  .nav-wrap {
    gap: 8px;
  }

  .nav {
    gap: 14px;
    margin: 0 8px;
  }

  .header .btn-primary {
    padding: 6px 12px;
    font-size: 13px;
  }

  .logo {
    font-size: 20px;
  }

  .logo-img {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 18px;
  }

  .logo-img {
    width: 56px;
    height: 56px;
  }

  .nav {
    gap: 12px;
  }
}
.insights-aggregate {
  padding: 80px 0;
  background: var(--bg);
}

.aggregate-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.aggregate-item {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
}

.aggregate-item:hover {
  box-shadow: var(--shadow);
}

.aggregate-details {
  width: 100%;
}

.aggregate-summary {
  list-style: none;
  padding: 28px 32px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

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

.aggregate-main {
  flex: 1;
}

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

.aggregate-tag {
  background: rgba(255, 36, 66, 0.1);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
}

.aggregate-date {
  color: var(--text-light);
  font-size: 14px;
}

.aggregate-summary h3 {
  font-size: 22px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.aggregate-excerpt {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.aggregate-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.aggregate-tags span {
  background: #fff;
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-light);
}

.aggregate-toggle {
  flex-shrink: 0;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  padding: 8px 16px;
  background: rgba(255, 36, 66, 0.08);
  border-radius: 50px;
  white-space: nowrap;
  margin-top: 4px;
}

.aggregate-content {
  padding: 0 32px 32px;
  border-top: 1px solid var(--border);
  margin-top: 0;
}

.aggregate-content h4 {
  font-size: 20px;
  margin: 28px 0 14px;
  font-weight: 600;
}

.aggregate-content p {
  color: var(--text);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.aggregate-content ul,
.aggregate-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.aggregate-content li {
  margin-bottom: 10px;
  line-height: 1.8;
}

.aggregate-source {
  margin-top: 24px;
  padding: 16px 20px;
  background: #fff;
  border-radius: var(--radius);
  font-size: 14px;
}

.aggregate-source a {
  color: var(--primary);
  text-decoration: underline;
}

@media (max-width: 1200px) {
  .nav-wrap {
    gap: 16px;
  }

  .nav {
    gap: 24px;
  }
}

/* Responsive */
@media (max-width: 992px) {
  .hero-inner,
  .why-inner,
  .about-inner,
  .contact-inner,
  .xhs-inner,
  .geo-inner {
    grid-template-columns: 1fr;
  }

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

  .process-list {
    flex-direction: column;
  }

  .process-arrow {
    transform: rotate(90deg);
  }

  .hero-text h1,
  .page-header h1 {
    font-size: 36px;
  }

  .page-header {
    padding: 120px 0 60px;
  }

  .hero-stats {
    gap: 24px;
  }

  .nav-wrap {
    gap: 12px;
  }

  .nav {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0 12px;
    transform: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    white-space: nowrap;
    flex-shrink: 0;
  }

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

  .logo {
    font-size: 22px;
  }

  .logo-img {
    width: 64px;
    height: 64px;
  }
}