/* roulang page: index */
:root {
  --color-primary: #1B5EAB;
  --color-primary-dark: #154A87;
  --color-primary-light: #E3EDF6;
  --color-accent: #E07A2F;
  --color-accent-light: #FCEAD8;
  --color-bg: #F5F8FB;
  --color-card: #FFFFFF;
  --color-text: #16283A;
  --color-text-secondary: #52677A;
  --color-border: #DCE5ED;
  --shadow-card: 0px 6px 24px rgba(21,74,135,0.08);
  --shadow-hover: 0px 12px 32px rgba(21,74,135,0.14);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --container-width: 1200px;
  --space-section: 96px;
  --space-section-mobile: 64px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

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

button,
input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

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

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
  box-shadow: 0 4px 14px rgba(27,94,171,0.25);
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(21,74,135,0.3);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(21,74,135,0.2);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-outline:active {
  transform: translateY(0);
}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--color-primary);
  border-radius: var(--radius-btn);
  padding: 14px 36px;
  font-weight: 700;
  font-size: 18px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}

.btn-white:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-white-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
  border-radius: var(--radius-btn);
  padding: 14px 36px;
  font-weight: 600;
  font-size: 18px;
  transition: all 0.25s ease;
}

.btn-white-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 徽章 / 标签 */
.badge {
  display: inline-block;
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  line-height: 1.5;
  white-space: nowrap;
}

.badge-accent {
  display: inline-block;
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  background: var(--color-accent);
  color: #fff;
  line-height: 1.5;
  white-space: nowrap;
}

.badge-score {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-tag);
  padding: 6px 16px;
  font-weight: 700;
  font-size: 14px;
}

.badge-score .star {
  color: #FFD166;
}

.tag {
  display: inline-block;
  border-radius: var(--radius-tag);
  font-size: 13px;
  padding: 4px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}

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

/* 头部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  gap: 20px;
  border-bottom: 1px solid rgba(220,229,237,0.6);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.logo-text strong {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.logo-text span {
  font-size: 12px;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.header-search-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 420px;
  margin-left: auto;
}

.header-search-group .search-input {
  flex: 1;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 14px;
  background: #fff;
  transition: border-color 0.25s, box-shadow 0.25s;
  color: var(--color-text);
}

.header-search-group .search-input::placeholder {
  color: #9AAAB8;
}

.header-search-group .search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,94,171,0.12);
  outline: none;
}

.search-btn {
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.25s;
  white-space: nowrap;
}

.search-btn:hover {
  background: var(--color-primary-dark);
}

.header-hot {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.header-hot .hot-label {
  color: var(--color-text-secondary);
}

.header-hot .hot-item {
  color: var(--color-primary);
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tag);
  padding: 2px 12px;
  background: #f8fafc;
  font-size: 12px;
  transition: all 0.2s;
}

.header-hot .hot-item:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.header-nav {
  height: 44px;
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0 24px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  height: 44px;
  align-items: center;
}

.nav-links li {
  height: 100%;
}

.nav-links li a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: color 0.2s;
}

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

.nav-links li a.active {
  color: var(--color-primary);
  font-weight: 700;
}

.nav-links li a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger:hover {
  background: var(--color-primary-light);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  background: #fff;
  z-index: 1000;
  box-shadow: -8px 0 30px rgba(0,0,0,0.12);
  padding: 24px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
  display: block;
}

.mobile-menu-close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 28px;
  color: var(--color-text-secondary);
  background: none;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  transition: background 0.2s;
}

.mobile-menu-close:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.mobile-menu .mobile-logo {
  margin-bottom: 24px;
}

.mobile-menu .mobile-search {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.mobile-menu .mobile-search input {
  flex: 1;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 14px;
}

.mobile-menu .mobile-search button {
  height: 38px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
}

.mobile-menu .mobile-nav-links {
  list-style: none;
  margin-bottom: 20px;
}

.mobile-menu .mobile-nav-links li a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
}

.mobile-menu .mobile-nav-links li a:hover {
  color: var(--color-primary);
}

.mobile-menu .mobile-nav-links li a.active {
  color: var(--color-primary);
  font-weight: 700;
}

.mobile-menu .mobile-hot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mobile-menu .mobile-hot a {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tag);
  padding: 4px 12px;
  font-size: 13px;
  color: var(--color-primary);
}

/* Hero */
.hero {
  background: var(--color-primary-light);
  padding: 72px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 280px;
  height: 280px;
  border: 2px solid rgba(27,94,171,0.08);
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: 10%;
  width: 200px;
  height: 200px;
  background: rgba(224,122,47,0.05);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 16px;
}

.hero-title .highlight {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 460px;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.hero-badges .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-badges .dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
}

.hero-visual {
  position: relative;
}

.hero-visual .hero-img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: var(--shadow-hover);
}

.hero-score-card {
  position: absolute;
  bottom: -24px;
  left: -20px;
  background: #fff;
  border-radius: 16px;
  padding: 20px 28px;
  box-shadow: var(--shadow-hover);
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-border);
}

.hero-score-card .score-num {
  font-size: 44px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
}

.hero-score-card .score-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-score-card .score-stars {
  color: var(--color-accent);
  font-size: 16px;
  letter-spacing: 2px;
}

.hero-score-card .score-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* 区块公共 */
.section {
  padding: var(--space-section) 0;
}

.section-bg-light {
  background: var(--color-card);
}

.section-bg-blue {
  background: var(--color-primary-light);
}

.section-bg-white {
  background: var(--color-card);
}

.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-tag);
  padding: 6px 18px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.section-title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* 痛点区 */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.pain-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.pain-card .pain-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
  font-size: 22px;
}

.pain-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.pain-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* 服务区 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  position: relative;
}

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

.service-card .featured-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-accent);
  z-index: 2;
}

.service-card .recommend-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 3;
}

.service-card .service-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.service-card .service-body {
  padding: 24px 28px 28px;
}

.service-card .service-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.service-card .service-body .service-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.service-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.service-score {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  font-size: 20px;
  color: var(--color-primary);
}

.service-score .star {
  color: var(--color-accent);
  font-size: 16px;
}

.service-book-btn {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.25s, transform 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.service-book-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  color: #fff;
}

/* 时间线 */
.process-section {
  background: var(--color-card);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  position: relative;
  margin-top: 16px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 8%;
  right: 8%;
  border-top: 2px dashed var(--color-border);
}

.timeline-item {
  text-align: center;
  position: relative;
  padding-top: 12px;
}

.timeline-node {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 24px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  border: 3px solid #fff;
  box-shadow: 0 4px 14px rgba(224,122,47,0.18);
  position: relative;
  z-index: 2;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-item:hover .timeline-node {
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(224,122,47,0.26);
}

.timeline-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-text);
}

.timeline-item p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding: 0 8px;
}

/* 数据区 */
.stats-section {
  background: var(--color-primary);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  opacity: 0.12;
}

.stats-section .container {
  position: relative;
  z-index: 2;
}

.stats-head .section-title {
  color: #fff;
}

.stats-head .section-subtitle {
  color: rgba(255,255,255,0.8);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,255,255,0.12);
  transition: background 0.3s, transform 0.3s;
}

.stat-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 52px;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
}

.stat-label {
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  margin-top: 8px;
  letter-spacing: 0.03em;
}

/* 证言区 */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 32px 28px 28px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.testimonial-card .quote-mark {
  font-size: 56px;
  color: var(--color-primary-light);
  font-family: Georgia, serif;
  line-height: 1;
  margin-bottom: 8px;
}

.testimonial-card .testimonial-text {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.testimonial-card .testimonial-user {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.testimonial-card .user-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  object-fit: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
}

.testimonial-card .user-info {
  flex: 1;
}

.testimonial-card .user-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-card .user-role {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.testimonial-card .user-stars {
  color: var(--color-accent);
  font-size: 14px;
  letter-spacing: 1px;
}

/* 资讯区 */
.news-section {
  background: var(--color-card);
}

.news-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.news-feature {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.news-feature img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.news-feature .news-body {
  padding: 28px 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-feature .news-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 12px 0 10px;
  line-height: 1.4;
}

.news-feature .news-body h3 a {
  color: var(--color-text);
}

.news-feature .news-body h3 a:hover {
  color: var(--color-primary);
}

.news-feature .news-body p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-time {
  font-size: 13px;
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-time::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
}

.news-side {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.news-item {
  background: var(--color-card);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
  padding: 12px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.news-item .news-item-thumb {
  width: 120px;
  min-width: 120px;
  height: 96px;
  border-radius: 12px;
  overflow: hidden;
}

.news-item .news-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-item:hover .news-item-thumb img {
  transform: scale(1.05);
}

.news-item .news-item-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.news-item .news-item-body h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  margin: 8px 0 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item .news-item-body h4 a {
  color: var(--color-text);
}

.news-item .news-item-body h4 a:hover {
  color: var(--color-primary);
}

.news-empty {
  grid-column: 1 / -1;
  background: var(--color-primary-light);
  border-radius: var(--radius-card);
  padding: 60px 40px;
  text-align: center;
  color: var(--color-primary);
}

.news-empty-icon {
  font-size: 56px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.news-empty p {
  font-size: 18px;
  font-weight: 600;
}

/* 热门专题 */
.topic-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 8px;
}

.topic-item {
  display: inline-block;
  padding: 10px 26px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-tag);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  box-shadow: var(--shadow-card);
  transition: all 0.25s ease;
  cursor: default;
}

.topic-item:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-item {
  background: var(--color-card);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item:hover {
  border-color: var(--color-primary-light);
}

.faq-item.active {
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  user-select: none;
}

.faq-question h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  flex: 1;
}

.faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 20px;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.faq-icon::before {
  content: '+';
  line-height: 1;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: #fff;
}

.faq-answer {
  display: none;
  padding-top: 16px;
  color: var(--color-text-secondary);
  font-size: 15px;
  line-height: 1.85;
}

.faq-item.active .faq-answer {
  display: block;
}

/* CTA 区 */
.cta-section {
  background: var(--color-primary);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: repeating-linear-gradient(-45deg, transparent, transparent 30px, rgba(255,255,255,0.04) 30px, rgba(255,255,255,0.04) 32px);
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 840px;
}

.cta-title {
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 16px;
}

.cta-title .highlight {
  color: var(--color-accent);
}

.cta-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.cta-contact-line {
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* 页脚 */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.75);
  padding: 72px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer .logo-text strong {
  color: #fff;
}

.footer .logo-text span {
  color: rgba(255,255,255,0.55);
}

.footer .logo-icon {
  background: var(--color-accent);
}

.footer-tagline {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-top: 20px;
  max-width: 320px;
}

.footer h4 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
}

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

.footer-links li a {
  color: rgba(255,255,255,0.6);
  font-size: 15px;
  transition: color 0.25s;
}

.footer-links li a:hover {
  color: var(--color-primary-light);
}

.footer-contact-list {
  list-style: none;
}

.footer-contact-list li {
  margin-bottom: 12px;
  font-size: 15px;
  color: rgba(255,255,255,0.6);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.footer-contact-list .contact-icon {
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

/* 响应式 */
@media (max-width: 1199px) {
  .hero-title {
    font-size: 34px;
  }

  .hero .container {
    grid-template-columns: 1fr 0.85fr;
    gap: 32px;
  }

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

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

  .timeline {
    grid-template-columns: repeat(5, 1fr);
  }

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

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

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

@media (max-width: 991px) {
  .header-hot {
    display: none;
  }

  .header-search-group {
    max-width: 320px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-badges {
    justify-content: center;
  }

  .hero-visual {
    max-width: 560px;
    margin: 24px auto 0;
  }

  .hero-score-card {
    left: 16px;
    bottom: -16px;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .timeline::before {
    display: none;
  }

  .timeline-item {
    display: flex;
    gap: 20px;
    text-align: left;
    align-items: flex-start;
    padding-top: 0;
  }

  .timeline-node {
    margin: 0;
    width: 52px;
    height: 52px;
    font-size: 18px;
    flex-shrink: 0;
  }

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

  .timeline-item p {
    padding: 0;
  }

  .news-layout {
    grid-template-columns: 1fr;
  }

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

  .nav-links li a {
    padding: 0 10px;
    font-size: 14px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: var(--space-section-mobile) 0;
  }

  .header-top {
    height: 60px;
  }

  .header-search-group {
    display: none;
  }

  .header-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .mobile-menu.open {
    transform: translateX(0);
  }

  .hero {
    padding: 48px 0 64px;
  }

  .hero .container {
    gap: 24px;
  }

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

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

  .hero-visual .hero-img {
    height: 240px;
  }

  .hero-score-card {
    bottom: -12px;
    left: 8px;
    padding: 14px 20px;
  }

  .hero-score-card .score-num {
    font-size: 32px;
  }

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

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

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

  .stat-number {
    font-size: 36px;
  }

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

  .news-feature img {
    height: 180px;
  }

  .news-item {
    padding: 8px;
  }

  .news-item .news-item-thumb {
    width: 100px;
    min-width: 100px;
    height: 80px;
  }

  .faq-item {
    padding: 22px 20px;
  }

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

  .cta-desc {
    font-size: 15px;
  }

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

  .footer {
    padding-top: 48px;
  }

  .section-head {
    margin-bottom: 32px;
  }

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

  .timeline-item {
    display: block;
    text-align: center;
    padding: 0 20px;
  }

  .timeline-node {
    margin: 0 auto 16px;
  }
}

@media (max-width: 420px) {
  .logo-text span {
    display: none;
  }

  .logo-text strong {
    font-size: 15px;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-outline {
    width: 100%;
  }

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

  .news-item {
    flex-direction: column;
  }

  .news-item .news-item-thumb {
    width: 100%;
    min-width: 100%;
    height: 140px;
  }
}

/* roulang page: article */
/* ===== roulang design system ===== */
:root {
  --color-primary: #1B5EAB;
  --color-primary-dark: #154A87;
  --color-primary-light: #E3EDF6;
  --color-accent: #E07A2F;
  --color-accent-light: #FCEAD8;
  --color-bg: #F5F8FB;
  --color-card: #FFFFFF;
  --color-text: #16283A;
  --color-text-secondary: #52677A;
  --color-border: #DCE5ED;
  --shadow-card: 0px 6px 24px rgba(21,74,135,0.08);
  --shadow-hover: 0px 12px 32px rgba(21,74,135,0.14);
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-tag: 999px;
  --container-width: 1200px;
  --space-section: 96px;
  --space-section-mobile: 64px;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
}
*, *::before, *::after {
  box-sizing: border-box;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
a:hover {
  color: var(--color-primary-dark);
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}
button {
  cursor: pointer;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
  box-shadow: 0 4px 14px rgba(27,94,171,0.25);
  border: 1px solid transparent;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(21,74,135,0.3);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(21,74,135,0.2);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}
.btn-outline:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: var(--color-primary);
  border-radius: var(--radius-btn);
  padding: 14px 36px;
  font-weight: 700;
  font-size: 18px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.btn-white:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}
.btn-white-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
  background: transparent;
  border-radius: var(--radius-btn);
  padding: 14px 36px;
  font-weight: 600;
  font-size: 18px;
  transition: all 0.25s ease;
}
.btn-white-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  color: #fff;
}
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== Badge / Tag ===== */
.badge {
  display: inline-block;
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 500;
  padding: 4px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  line-height: 1.5;
  white-space: nowrap;
}
.badge-accent {
  display: inline-block;
  border-radius: var(--radius-tag);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  background: var(--color-accent);
  color: #fff;
  line-height: 1.5;
  white-space: nowrap;
}
.tag {
  display: inline-block;
  border-radius: var(--radius-tag);
  font-size: 13px;
  padding: 4px 14px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}
.tag:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== Header Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  gap: 20px;
  border-bottom: 1px solid rgba(220,229,237,0.6);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.logo-text strong {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.logo-text span {
  font-size: 12px;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.header-search-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  max-width: 420px;
  margin-left: auto;
}
.header-search-group .search-input {
  flex: 1;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 14px;
  background: #fff;
  transition: border-color 0.25s, box-shadow 0.25s;
  color: var(--color-text);
  max-width: 260px;
}
.header-search-group .search-input::placeholder {
  color: #9AAAB8;
}
.header-search-group .search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27,94,171,0.12);
  outline: none;
}
.search-btn {
  height: 36px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.search-btn:hover {
  background: var(--color-primary-dark);
}
.header-hotwords {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.header-hotwords .hot-link {
  font-size: 12px;
  color: var(--color-text-secondary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  transition: background 0.2s, color 0.2s;
  line-height: 1.4;
}
.header-hotwords .hot-link:hover {
  background: var(--color-primary);
  color: #fff;
}
.header-nav {
  background: rgba(255,255,255,0.96);
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 48px;
}
.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
}
.nav-links li {
  margin: 0;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  height: 48px;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  position: relative;
}
.nav-links a:hover {
  color: var(--color-primary);
  border-bottom-color: rgba(224,122,47,0.4);
}
.nav-links a.active {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom-color: var(--color-accent);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: background 0.2s;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: background 0.2s;
}
.menu-toggle:hover span {
  background: var(--color-primary);
}
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  background: #fff;
  box-shadow: -8px 0 30px rgba(0,0,0,0.12);
  z-index: 2000;
  padding: 24px 20px;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}
.mobile-drawer.open {
  transform: translateX(0);
}
.drawer-close {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}
.drawer-close button {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.drawer-close button:hover {
  background: var(--color-primary);
  color: #fff;
}
.drawer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.drawer-links li {
  border-bottom: 1px solid var(--color-border);
}
.drawer-links a {
  display: block;
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  transition: color 0.2s, padding-left 0.2s;
}
.drawer-links a:hover,
.drawer-links a.active {
  color: var(--color-primary);
  padding-left: 16px;
  font-weight: 700;
}
.drawer-search {
  margin-top: 20px;
  display: flex;
  gap: 8px;
}
.drawer-search input {
  flex: 1;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  padding: 0 14px;
  font-size: 14px;
  background: #fff;
}
.drawer-hotwords {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.drawer-hotwords .hot-link {
  font-size: 13px;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 5px 12px;
  border-radius: var(--radius-tag);
}
.drawer-mask {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(22,40,58,0.5);
  z-index: 1999;
  opacity: 0;
  transition: opacity 0.3s;
}
.drawer-mask.open {
  opacity: 1;
}

/* ===== Article Hero ===== */
.article-hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #FFFFFF 100%);
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color 0.2s;
}
.breadcrumb a:hover {
  color: var(--color-primary);
}
.breadcrumb .sep {
  color: #B0BECB;
}
.article-hero h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-text);
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.article-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.article-meta-row .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta-row .meta-item i {
  color: var(--color-primary);
  opacity: 0.7;
}
.article-summary {
  background: var(--color-primary-light);
  border-radius: 12px;
  padding: 16px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  border-left: 4px solid var(--color-primary);
  max-width: 860px;
}

/* ===== Article Main ===== */
.article-body-wrap {
  padding: 56px 0 var(--space-section);
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}
.article-content-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 40px;
  border: 1px solid var(--color-border);
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text);
}
.article-content p {
  margin: 0 0 20px;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--color-accent);
  line-height: 1.4;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary-light);
  line-height: 1.5;
}
.article-content img {
  border-radius: 12px;
  margin: 24px auto;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
.article-content blockquote {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0;
  color: var(--color-text-secondary);
}
.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin: 0 0 20px;
}
.article-content li {
  margin-bottom: 8px;
}
.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-content a:hover {
  color: var(--color-primary-dark);
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}
.article-tags .tag {
  font-size: 13px;
}

/* ===== Article Sidebar ===== */
.article-sidebar {
  position: sticky;
  top: 120px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 24px;
}
.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-primary-light);
  position: relative;
}
.side-card h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 40px;
  height: 2px;
  background: var(--color-accent);
}
.side-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.side-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--color-text-secondary);
  border-bottom: 1px dashed var(--color-border);
  line-height: 1.6;
}
.side-contact-list li:last-child {
  border-bottom: none;
}
.side-contact-list i {
  color: var(--color-primary);
  margin-top: 3px;
  width: 16px;
  text-align: center;
}
.side-btn-wrap {
  margin-top: 8px;
}
.side-btn-wrap .btn-primary {
  width: 100%;
}

/* ===== Related Section ===== */
.related-section {
  margin-top: 48px;
}
.related-section h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 24px;
  position: relative;
  padding-left: 14px;
}
.related-section h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: var(--color-accent);
  border-radius: 4px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.related-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.related-card .card-img {
  height: 160px;
  overflow: hidden;
  background: var(--color-primary-light);
}
.related-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .card-img img {
  transform: scale(1.03);
}
.related-card .card-body {
  padding: 20px;
}
.related-card .card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .card-body h3 a {
  color: var(--color-text);
  transition: color 0.2s;
}
.related-card .card-body h3 a:hover {
  color: var(--color-primary);
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--color-text-secondary);
}
.empty-related {
  grid-column: 1 / -1;
  background: var(--color-primary-light);
  border-radius: var(--radius-card);
  padding: 48px 24px;
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 15px;
}

/* ===== Article CTA Banner ===== */
.article-cta-banner {
  margin-top: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-card);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  border-left: 4px solid var(--color-accent);
}
.article-cta-banner h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-text);
  margin: 0 0 8px;
}
.article-cta-banner p {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin: 0;
}
.back-home-wrap {
  margin-top: 48px;
  text-align: center;
}

/* ===== NOT FOUND ===== */
.not-found-wrap {
  background: var(--color-card);
  border-radius: var(--radius-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 80px 40px;
  text-align: center;
}
.not-found-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--color-primary);
  font-size: 28px;
}
.not-found-wrap h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 12px;
}
.not-found-wrap p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* ===== Footer ===== */
.footer {
  background: #16283A;
  color: rgba(255,255,255,0.85);
  padding: 60px 0 24px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer .logo {
  margin-bottom: 16px;
}
.footer .logo-icon {
  background: #fff;
  color: var(--color-primary-dark);
}
.footer .logo-text strong {
  color: #fff;
}
.footer .logo-text span {
  color: rgba(255,255,255,0.7);
}
.footer h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: 0.02em;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  display: inline-block;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 6px;
  color: #E3EDF6;
}
.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
  line-height: 1.6;
}
.footer-contact-list .contact-icon {
  color: #E3EDF6;
  display: inline-block;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.footer-tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-top: 12px;
}
.footer-bottom {
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
}
.footer-bottom p {
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .article-hero h1 {
    font-size: 32px;
  }
}
@media (max-width: 992px) {
  .header-search-group {
    max-width: 280px;
  }
  .header-hotwords {
    display: none;
  }
  .nav-links a {
    padding: 0 14px;
    font-size: 14px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .header-top {
    height: 52px;
  }
  .header-search-group {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .nav-links {
    display: none;
  }
  .mobile-drawer {
    display: block;
  }
  .drawer-mask {
    display: block;
  }
  .header-nav {
    display: none;
  }
  .article-hero {
    padding: 40px 0 32px;
  }
  .article-hero h1 {
    font-size: 26px;
    line-height: 1.4;
  }
  .article-meta-row {
    gap: 10px;
  }
  .article-content-card {
    padding: 24px;
  }
  .article-content {
    font-size: 15px;
    line-height: 1.85;
  }
  .article-content h3 {
    font-size: 19px;
  }
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .article-cta-banner {
    padding: 28px 24px;
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .article-body-wrap {
    padding: 40px 0 64px;
  }
}
@media (max-width: 520px) {
  .logo-text strong {
    font-size: 14px;
    white-space: normal;
  }
  .logo-text span {
    font-size: 11px;
    white-space: normal;
  }
  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }
  .article-hero h1 {
    font-size: 23px;
  }
  .breadcrumb {
    font-size: 13px;
  }
  .btn-primary,
  .btn-outline {
    padding: 10px 22px;
    font-size: 15px;
  }
}