/* roulang page: index */
:root {
  --primary: #3056d3;
  --primary-dark: #1e3faa;
  --primary-light: #eaf0ff;
  --accent: #f6a821;
  --accent-light: #fff4e0;
  --bg-body: #f6f8fd;
  --bg-white: #ffffff;
  --bg-dark: #0d1330;
  --bg-dark-deep: #080d1f;
  --text-main: #161b2d;
  --text-body: #4a5168;
  --text-weak: #7c8299;
  --text-invert: #f4f7ff;
  --border: #e4e9f2;
  --border-strong: #d3daec;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-xs: 0 1px 3px rgba(16, 24, 40, .04);
  --shadow-sm: 0 4px 16px rgba(16, 24, 40, .06);
  --shadow-md: 0 12px 32px rgba(16, 24, 40, .08);
  --shadow-lg: 0 24px 60px rgba(16, 24, 40, .12);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --container-w: 1200px;
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg, video {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease;
}
a:hover {
  color: var(--primary);
}
button {
  border: none;
  background: none;
  font-family: inherit;
  cursor: pointer;
}
input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}
.container {
  max-width: var(--container-w);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}
.section {
  padding: var(--space-5) 0;
}
.section-head {
  max-width: 680px;
  margin: 0 auto var(--space-4);
  text-align: center;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 1rem;
  color: var(--text-body);
  line-height: 1.8;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1;
  padding: 12px 28px;
  border: 1px solid transparent;
  transition: all .25s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(48, 86, 211, .28);
}
.btn-outline {
  background: transparent;
  color: var(--text-main);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-ghost-light {
  background: rgba(255,255,255,.12);
  color: #fff;
  border-color: rgba(255,255,255,.45);
  backdrop-filter: blur(6px);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,.2);
  color: #fff;
  border-color: rgba(255,255,255,.8);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 16px 38px;
  font-size: 1.05rem;
}

/* 徽章 / 标签 */
.badge {
  font-weight: 600;
  font-size: .78rem;
  border-radius: 999px;
  padding: 6px 14px;
  line-height: 1.4;
}
.badge-soft-primary {
  background: var(--primary-light);
  color: var(--primary);
}
.badge-soft-accent {
  background: var(--accent-light);
  color: #c97a12;
}
.badge-soft-neutral {
  background: #eef1f6;
  color: #5a6072;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(228,233,242,.9);
  transition: box-shadow .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 8px 30px rgba(13, 19, 48, .06);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: .02em;
  line-height: 1;
  white-space: nowrap;
}
.brand-dot {
  font-size: .95rem;
  font-weight: 600;
  color: var(--primary);
  margin-left: 2px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav .nav-link {
  position: relative;
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 28px 0;
  transition: color .25s ease;
  white-space: nowrap;
}
.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 20px;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width .3s ease;
}
.main-nav .nav-link:hover {
  color: var(--primary);
}
.main-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.main-nav .nav-link.active::after {
  width: 100%;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  background: var(--bg-dark);
  background-image: linear-gradient(135deg, rgba(8,13,31,.88) 0%, rgba(13,19,48,.76) 50%, rgba(30,41,82,.66) 100%), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  padding: 90px 0 120px;
  overflow: hidden;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.hero-badges .badge {
  background: rgba(255,255,255,.14);
  color: #eef1ff;
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(6px);
}
.hero h1 {
  font-size: 3.1rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: .02em;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 1.1rem;
  color: #c7cdea;
  line-height: 1.9;
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: .88rem;
  color: #9ba3c7;
}
.hero-note i {
  color: var(--accent);
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 60px;
}
.stat-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  text-align: center;
}
.stat-card .stat-num {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.stat-card .stat-label {
  font-size: .88rem;
  color: #a8b0d8;
  margin-top: 4px;
}

/* 核心说明 */
.about-section {
  margin-top: -40px;
  position: relative;
  z-index: 3;
}
.about-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
}
.about-media {
  position: relative;
  min-height: 300px;
  overflow: hidden;
}
.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}
.about-info {
  padding: 44px 44px 40px;
}
.about-info .eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--primary);
  text-transform: uppercase;
}
.about-info h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin: 14px 0 16px;
}
.about-info p {
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: 16px;
}
.about-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}
.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .95rem;
  color: var(--text-main);
  font-weight: 500;
}
.about-list li i {
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  font-size: .8rem;
  flex-shrink: 0;
}

/* 分类板块 */
.categories-section {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.category-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 0;
  height: 100%;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}
.category-card .card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.category-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.category-card:hover .card-img img {
  transform: scale(1.05);
}
.category-card .card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13,19,48,.45));
}
.category-card .card-body {
  padding: 24px 26px 28px;
}
.category-card .card-body .badge {
  margin-bottom: 14px;
}
.category-card .card-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}
.category-card .card-body p {
  font-size: .92rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 18px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--primary);
}
.card-link i {
  transition: transform .25s ease;
}
.card-link:hover i {
  transform: translateX(4px);
}

/* 流程板块 */
.process-section {
  background: linear-gradient(180deg, var(--bg-body) 0%, #f1f4fb 100%);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  transition: box-shadow .3s ease, transform .3s ease;
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-icon {
  width: 58px;
  height: 58px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 18px;
  font-size: 1.3rem;
}
.process-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}
.process-step p {
  font-size: .88rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 0;
}
.step-arrow {
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  color: var(--border-strong);
  font-size: 1rem;
  z-index: 2;
}

/* 最新信息 */
.latest-section {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
}
.latest-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card-post {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
}
.card-post:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.card-post-link {
  display: flex;
  flex-direction: column;
  padding: 26px 26px 24px;
  height: 100%;
}
.card-post-tags {
  margin-bottom: 14px;
}
.card-post-link h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-post-link p {
  font-size: .9rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  font-size: .84rem;
  color: var(--text-weak);
}
.card-post-meta time i {
  margin-right: 6px;
}
.read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: .84rem;
}
.empty-tips {
  background: var(--bg-body);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-md);
  padding: 60px 30px;
  text-align: center;
  color: var(--text-weak);
  font-size: 1rem;
}
.more-btn-wrap {
  text-align: center;
  margin-top: 40px;
}

/* 功能亮点 */
.features-section {
  background: var(--bg-dark);
  background-image: linear-gradient(rgba(13,19,48,.9), rgba(13,19,48,.9)), url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  color: #fff;
}
.features-section .section-head h2 {
  color: #fff;
}
.features-section .section-head p {
  color: #b3bbdf;
}
.features-section .eyebrow {
  background: rgba(255,255,255,.12);
  color: #e4e9ff;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-item {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  backdrop-filter: blur(10px);
  transition: background .3s ease, border-color .3s ease, transform .3s ease;
}
.feature-item:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.25);
  transform: translateY(-4px);
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: rgba(246,168,33,.22);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  margin-bottom: 18px;
}
.feature-item h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.feature-item p {
  font-size: .9rem;
  color: #aab2d6;
  line-height: 1.75;
  margin-bottom: 0;
}

/* FAQ */
.faq-section {
  background: var(--bg-body);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: grid;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.faq-item:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 26px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--primary);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary i {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 26px 22px;
  color: var(--text-body);
  font-size: .94rem;
  line-height: 1.85;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 55%, #5b7cf0 100%);
  padding: 76px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/assets/images/backpic/back-3.png") no-repeat center / cover;
  opacity: .18;
  mix-blend-mode: overlay;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-inner p {
  color: rgba(255,255,255,.88);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.cta-inner .btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.cta-inner .btn-white:hover {
  background: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0,0,0,.18);
}
.cta-inner .btn-outline-light {
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
.cta-inner .btn-outline-light:hover {
  background: rgba(255,255,255,.2);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}

/* 页脚 */
.site-footer {
  background: var(--bg-dark-deep);
  color: #9aa2c4;
  padding: 56px 0 0;
}
.footer-brand {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  display: inline-block;
  margin-bottom: 12px;
}
.footer-about {
  font-size: .88rem;
  color: #7f88ad;
  line-height: 1.85;
  max-width: 320px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-title {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer-links a {
  font-size: .88rem;
  color: #7f88ad;
  transition: color .25s ease;
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 0;
  font-size: .82rem;
  color: #6e76a0;
}
.footer-bottom a {
  color: #8a93bd;
}
.footer-bottom a:hover {
  color: #fff;
}

/* 响应式 */
@media (max-width: 991px) {
  .main-nav {
    gap: 20px;
  }
  .main-nav .nav-link {
    font-size: .9rem;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-media {
    min-height: 240px;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .latest-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767px) {
  .main-nav {
    position: fixed;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    top: 76px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height .4s ease, opacity .3s ease, padding .3s ease;
  }
  .main-nav.open {
    max-height: 420px;
    opacity: 1;
    padding: 16px 20px;
  }
  .main-nav .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }
  .main-nav .nav-link.active::after {
    display: none;
  }
  .main-nav .nav-link.active {
    color: var(--primary);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .header-actions .btn {
    display: none;
  }
  .hero {
    padding: 70px 0 90px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 40px;
  }
  .stat-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    padding: 16px 20px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .step-arrow {
    display: none;
  }
  .latest-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 48px 0;
  }
  .section-head h2 {
    font-size: 1.6rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero h1 {
    font-size: 1.7rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-note {
    flex-wrap: wrap;
  }
  .about-info {
    padding: 28px 24px;
  }
  .category-card .card-body {
    padding: 20px;
  }
  .cta-inner h2 {
    font-size: 1.5rem;
  }
  .cta-inner .btn {
    width: 100%;
    margin-bottom: 10px;
  }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2a3d8f;
            --primary-dark: #101a47;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --bg-dark: #0d1230;
            --text-dark: #111827;
            --text-body: #374151;
            --text-muted: #6b7280;
            --border-color: #e5e7eb;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(17, 24, 39, 0.06);
            --shadow-md: 0 10px 30px rgba(17, 24, 39, 0.10);
            --shadow-lg: 0 20px 50px rgba(17, 24, 39, 0.14);
            --transition: all 0.3s ease;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-body);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }
        p {
            margin-bottom: 1rem;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-section {
            padding: 80px 0;
        }
        @media (max-width: 767px) {
            .section-section {
                padding: 56px 0;
            }
        }

        /* ========== 头部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1060;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(26, 42, 108, 0.08);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(17, 24, 39, 0.08);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand {
            display: inline-flex;
            align-items: baseline;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: var(--primary);
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand-dot {
            color: var(--accent);
            font-weight: 700;
            margin-left: 2px;
        }
        .brand:hover {
            color: var(--primary);
            opacity: 0.88;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            padding: 6px 2px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            transform: scaleX(0.45);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
            background: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            box-shadow: 0 4px 14px rgba(26, 42, 108, 0.25);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 42, 108, 0.30);
        }
        .btn-primary:active {
            transform: translateY(0);
            background: var(--primary-dark);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
            padding: 10px 24px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            padding: 12px 32px;
            font-size: 1rem;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.40);
        }
        .btn-sm {
            padding: 7px 18px;
            font-size: 0.875rem;
            border-radius: var(--radius-xs);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            padding: 8px;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            margin: 0 auto;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        @media (max-width: 991px) {
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                display: none;
                padding: 12px 24px 20px;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 0;
                border-bottom: 1px solid rgba(0, 0, 0, 0.04);
            }
            .nav-link::after {
                display: none;
            }
            .nav-link.active {
                color: var(--primary);
            }
            .nav-link.active::before {
                content: "";
                width: 4px;
                height: 18px;
                background: var(--accent);
                border-radius: 2px;
                margin-right: 8px;
                display: inline-block;
            }
            .nav-toggle {
                display: flex;
            }
        }

        /* ========== Hero 板块 ========== */
        .category-hero {
            position: relative;
            padding: 84px 0 88px;
            background:
                linear-gradient(135deg, rgba(13, 18, 48, 0.92) 0%, rgba(26, 42, 108, 0.78) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            isolation: isolate;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 85% 20%, rgba(245, 158, 11, 0.25), transparent 40%);
            z-index: -1;
        }
        .hero-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent);
        }
        .hero-breadcrumb .separator {
            opacity: 0.5;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.8;
            max-width: 680px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-meta {
            margin-top: 36px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .hero-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
            background: rgba(255, 255, 255, 0.10);
            padding: 6px 14px;
            border-radius: 40px;
        }
        .hero-meta-item i {
            color: var(--accent);
        }
        @media (max-width: 767px) {
            .category-hero {
                padding: 56px 0;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ========== 实时状态条 ========== */
        .status-bar-wrap {
            position: relative;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 14px 0;
            box-shadow: var(--shadow-sm);
        }
        .status-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 32px;
        }
        .status-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-body);
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10b981;
            display: inline-block;
            position: relative;
        }
        .status-dot::after {
            content: "";
            position: absolute;
            inset: -4px;
            border-radius: 50%;
            border: 2px solid rgba(16, 185, 129, 0.4);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.8); opacity: 0.6; }
            70% { transform: scale(1.4); opacity: 0; }
            100% { transform: scale(0.8); opacity: 0; }
        }
        .status-label {
            font-weight: 600;
            color: var(--text-dark);
        }
        .status-time {
            margin-left: auto;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 767px) {
            .status-time {
                width: 100%;
                margin-left: 0;
            }
        }

        /* ========== 分类板块通用 ========== */
        .section-head {
            margin-bottom: 44px;
        }
        .section-tag {
            display: inline-block;
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 40px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 700;
        }
        .section-head p {
            margin-top: 12px;
            color: var(--text-muted);
            max-width: 680px;
            font-size: 1.02rem;
        }

        /* ========== 登录方式卡片 ========== */
        .method-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 26px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .method-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .method-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 42, 108, 0.18);
        }
        .method-card:hover::before {
            opacity: 1;
        }
        .method-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            margin-bottom: 18px;
        }
        .method-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .method-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .method-link {
            font-weight: 600;
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
        }
        .method-link i {
            transition: transform 0.3s ease;
        }
        .method-link:hover {
            color: var(--accent-hover);
        }
        .method-link:hover i {
            transform: translateX(4px);
        }
        .method-card .cover-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-top: 14px;
        }

        /* ========== 登录步骤 ========== */
        .steps-section {
            background: var(--bg-light);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .step-item {
            position: relative;
            padding: 24px 20px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            height: 100%;
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(26, 42, 108, 0.15);
        }
        .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.15rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            box-shadow: 0 4px 12px rgba(26, 42, 108, 0.22);
        }
        .step-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== 内容卡片（优先建议） ========== */
        .recommend-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .recommend-cover {
            position: relative;
            overflow: hidden;
            height: 190px;
        }
        .recommend-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .recommend-card:hover .recommend-cover img {
            transform: scale(1.05);
        }
        .recommend-cover .badge-float {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 30px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        .recommend-body {
            padding: 22px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .recommend-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .recommend-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }
        .recommend-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .recommend-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== 内容列表（小条目） ========== */
        .list-item-card {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .list-item-card:last-child {
            border-bottom: 0;
        }
        .list-item-card .icon-box {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            background: rgba(26, 42, 108, 0.08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }
        .list-item-card:hover {
            padding-left: 10px;
        }
        .list-item-title {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.98rem;
            margin-bottom: 2px;
        }
        .list-item-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .list-item-time {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-left: auto;
            white-space: nowrap;
            padding-top: 4px;
        }
        @media (max-width: 575px) {
            .list-item-time {
                display: none;
            }
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-section {
            background: var(--bg-white);
        }
        .accordion-custom .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-custom .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            padding: 18px 22px;
            background: var(--bg-white);
            font-size: 1rem;
            box-shadow: none;
            border: none;
            border-radius: var(--radius-sm) !important;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(26, 42, 108, 0.04);
            color: var(--primary);
        }
        .accordion-custom .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.10);
            border-radius: var(--radius-sm) !important;
        }
        .accordion-custom .accordion-button::after {
            background-size: 1rem;
            transition: transform 0.3s ease;
        }
        .accordion-custom .accordion-body {
            padding: 0 22px 20px;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ========== CTA 板块 ========== */
        .cta-band {
            position: relative;
            padding: 68px 0;
            background:
                linear-gradient(120deg, rgba(13, 18, 48, 0.94), rgba(26, 42, 108, 0.82)),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            text-align: center;
            isolation: isolate;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 15% 80%, rgba(245, 158, 11, 0.25), transparent 50%);
            z-index: -1;
        }
        .cta-band h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            color: #fff;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-band p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.02rem;
            max-width: 620px;
            margin: 0 auto 28px;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .cta-note {
            margin-top: 18px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.2fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: inline-block;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand:hover {
            color: var(--accent);
        }
        .footer-about {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }
        .footer-title {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 9px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 575px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ========== 响应式细节 ========== */
        @media (max-width: 767px) {
            .brand {
                font-size: 1.1rem;
            }
            .header-row {
                height: 62px;
            }
            .main-nav {
                top: 62px;
            }
            .category-hero h1 {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-head {
                margin-bottom: 28px;
            }
            .status-bar {
                gap: 10px 20px;
            }
        }
        @media (min-width: 768px) and (max-width: 991px) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .step-item {
                padding: 20px 16px;
            }
            .recommend-cover {
                height: 160px;
            }
        }

        /* 辅助样式 */
        .text-accent {
            color: var(--accent) !important;
        }
        .mb-1 { margin-bottom: 0.25rem; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mb-3 { margin-bottom: 1rem; }
        .mb-4 { margin-bottom: 1.5rem; }
        .mt-4 { margin-top: 1.5rem; }

        .back-to-home {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .back-to-home:hover {
            color: var(--accent-hover);
        }

/* roulang page: article */
:root {
  --primary: #16337a;
  --primary-light: #2d5bbd;
  --primary-lighter: #e8edf7;
  --accent: #f0b429;
  --accent-dark: #d99e0b;
  --dark: #0f1f3d;
  --body-bg: #f6f8fc;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(15, 31, 61, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 31, 61, 0.1);
  --shadow-lg: 0 22px 50px rgba(15, 31, 61, 0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--body-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; }
.container { max-width: 1220px; padding-left: 24px; padding-right: 24px; }
.btn { border: none; border-radius: var(--radius-sm); font-weight: 600; transition: all var(--transition); }
.btn:focus { outline: 3px solid rgba(45, 91, 189, 0.3); box-shadow: none; }
.btn-primary { background: var(--primary); color: #fff; padding: 10px 26px; }
.btn-primary:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22, 51, 122, 0.25); }
.btn-outline-primary { background: transparent; color: var(--primary); border: 2px solid var(--primary); padding: 8px 20px; }
.btn-outline-primary:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(22, 51, 122, 0.2); }
.btn-accent { background: linear-gradient(135deg, #f0b429, #f59e0b); color: #1e293b; padding: 13px 36px; border-radius: 999px; box-shadow: 0 10px 24px rgba(240, 180, 41, 0.35); }
.btn-accent:hover { transform: translateY(-2px) scale(1.02); color: #0f1f3d; box-shadow: 0 14px 30px rgba(240, 180, 41, 0.45); }
.btn-lg { padding: 13px 32px; font-size: 17px; border-radius: 14px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* Header */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(15, 31, 61, 0.08); }
.header-row { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.brand {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.brand:hover { color: var(--dark); }
.brand .brand-dot {
  background: linear-gradient(135deg, var(--accent), #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.main-nav { display: flex; align-items: center; gap: 36px; margin: 0 auto; }
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 6px 2px;
  white-space: nowrap;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); transform-origin: left center; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 18px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--dark); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Article Hero */
.page-hero {
  position: relative;
  padding: 90px 0 80px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: #fff;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(22, 51, 122, 0.75) 55%, rgba(45, 91, 189, 0.5) 100%);
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb-wrap { margin-bottom: 32px; }
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}
.breadcrumb-list li { display: flex; align-items: center; gap: 8px; }
.breadcrumb-list li::after { content: "/"; color: rgba(255, 255, 255, 0.4); font-size: 12px; }
.breadcrumb-list li:last-child::after { display: none; }
.breadcrumb-list a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb-list a:hover { color: var(--accent); }
.breadcrumb-list .current { color: #fff; font-weight: 500; max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(240, 180, 41, 0.2);
  border: 1px solid rgba(240, 180, 41, 0.4);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}
.hero-content h1 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 850px;
}
.hero-desc {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
  margin-bottom: 24px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}
.meta-item { display: inline-flex; align-items: center; gap: 8px; }
.meta-item i { color: var(--accent); }

/* Article Section */
.article-section { padding: 80px 0 40px; }
.article-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 40px 44px;
  border: 1px solid rgba(226, 232, 240, 0.6);
  margin-bottom: 40px;
}
.article-content { font-size: 16px; line-height: 1.9; color: var(--text); }
.article-content h2 { font-size: 26px; font-weight: 700; color: var(--dark); margin: 36px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--primary-lighter); }
.article-content h3 { font-size: 22px; font-weight: 700; color: var(--dark); margin: 28px 0 12px; }
.article-content h4 { font-size: 18px; font-weight: 600; margin: 22px 0 10px; }
.article-content p { margin-bottom: 18px; }
.article-content img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: 24px 0; }
.article-content ul, .article-content ol { margin: 0 0 20px; padding-left: 26px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--primary-lighter);
  padding: 16px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-style: normal;
  color: var(--text);
}
.article-content a { color: var(--primary); font-weight: 600; border-bottom: 1px dashed var(--primary-light); }
.article-content a:hover { border-bottom-style: solid; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 15px; }
.article-content table th, .article-content table td { border: 1px solid var(--border); padding: 12px 16px; text-align: left; }
.article-content table th { background: var(--primary-lighter); font-weight: 600; }

.article-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  margin-top: 36px;
  border-top: 1px solid var(--border);
}
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tag-label { font-size: 14px; color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; }
.tag-item {
  display: inline-block;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 13px;
  padding: 4px 14px;
  border-radius: 999px;
  transition: all var(--transition);
}
.tag-item:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }
.article-share { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted); }
.share-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 15px;
  transition: all var(--transition);
}
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(22, 51, 122, 0.2); }

/* Not Found */
.not-found-card {
  text-align: center;
  padding: 80px 48px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.6);
}
.not-found-card i { font-size: 56px; color: var(--border); margin-bottom: 20px; display: block; }
.not-found-card h2 { font-size: 28px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 28px; }

/* Sidebar */
.article-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 24px; }
.sidebar-card {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.6);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.sidebar-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.card-head {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-head i { color: var(--accent); font-size: 18px; }
.info-list { list-style: none; margin: 0; padding: 0; }
.info-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.info-list li:last-child { border-bottom: none; }
.info-list li span:not(.info-icon) { color: var(--text-muted); flex: 1; }
.info-list .info-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--primary-lighter);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}
.info-list a, .info-list em { font-style: normal; color: var(--primary); font-weight: 600; font-size: 13px; }
.accent-card {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border: none;
}
.accent-card .card-head { color: #fff; }
.accent-card .card-head i { color: var(--accent); }
.accent-card p { color: rgba(255, 255, 255, 0.85); font-size: 14px; margin-bottom: 18px; }
.sidebar-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.7; }
.accent-card p { color: rgba(255, 255, 255, 0.85); }

/* Info Strip */
.info-strip { padding: 24px 0; }
.info-bar {
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 40px;
  padding: 20px 32px;
  border: 1px solid rgba(226, 232, 240, 0.5);
}
.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
}
.info-item i { color: var(--accent); font-size: 17px; }

/* Related Section */
.related-section { padding: 40px 0 70px; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { font-size: 30px; font-weight: 800; color: var(--dark); margin-bottom: 8px; letter-spacing: 0.5px; }
.section-head p { color: var(--text-muted); font-size: 15px; }
.guide-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, 0.5);
  transition: all var(--transition);
  height: 100%;
}
.guide-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.guide-card img { width: 100%; height: 190px; object-fit: cover; }
.guide-card .card-body { padding: 24px; }
.guide-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.guide-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; line-height: 1.6; }
.card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.card-link i { transition: transform var(--transition); }
.card-link:hover i { transform: translateX(4px); }

/* CTA Section */
.cta-section { padding: 40px 0 80px; }
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #3d6fd1 100%);
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  top: -120px;
  right: -80px;
}
.cta-box::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(240, 180, 41, 0.12);
  bottom: -60px;
  left: 40px;
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-content p { font-size: 16px; color: rgba(255, 255, 255, 0.85); margin-bottom: 28px; }

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 30px;
}
.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  display: inline-block;
  margin-bottom: 14px;
}
.footer-brand:hover { color: var(--accent); }
.footer-about { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; padding-top: 4px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: all var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { gap: 22px; }
  .article-card { padding: 32px 28px; }
}
@media (max-width: 768px) {
  .header-row { height: 64px; }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 20px 24px;
    box-shadow: 0 20px 40px rgba(15, 31, 61, 0.12);
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-link { display: block; padding: 14px 0; width: 100%; border-bottom: 1px solid var(--border); font-size: 16px; }
  .nav-link::after { display: none; }
  .nav-toggle { display: flex; }
  .header-actions .btn-primary { display: none; }
  .page-hero { padding: 60px 0 50px; }
  .hero-content h1 { font-size: 26px; }
  .article-section { padding: 50px 0 30px; }
  .article-card { padding: 24px 20px; border-radius: 16px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 22px; }
  .article-footer { flex-direction: column; align-items: flex-start; }
  .cta-box { padding: 48px 24px; border-radius: 20px; }
  .cta-content h2 { font-size: 24px; }
  .info-bar { flex-direction: column; align-items: center; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}
@media (max-width: 520px) {
  .brand { font-size: 17px; }
  .page-hero { padding: 48px 0 40px; }
  .hero-desc { font-size: 15px; }
  .breadcrumb-list { flex-wrap: wrap; }
  .main-nav { top: 64px; }
  .article-card { padding: 20px 16px; }
  .related-section .card-body { padding: 18px; }
  .cta-box { padding: 40px 18px; }
}

/* roulang page: category2 */
/* ========== Canvas Design System ========== */
        :root {
            --primary: #4a56c0;
            --primary-dark: #38419d;
            --primary-light: #eef0fc;
            --accent: #f0b84d;
            --navy: #141a33;
            --navy-soft: #232848;
            --bg-body: #ffffff;
            --bg-light: #f6f7fe;
            --bg-muted: #f0f1fa;
            --text-main: #232538;
            --text-weak: #6e7286;
            --border-color: #e8eaf4;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 4px 14px rgba(36, 40, 100, .06);
            --shadow-md: 0 10px 30px rgba(36, 40, 100, .09);
            --shadow-lg: 0 22px 44px rgba(36, 40, 100, .12);
            --transition: .25s ease;
            --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text-main);
            background: var(--bg-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
        }
        p {
            margin: 0;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1200px;
            }
        }

        /* ========== Buttons ========== */
        .btn {
            border-radius: 999px;
            padding: 10px 24px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(74, 86, 192, .28);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(74, 86, 192, .36);
        }
        .btn-primary:active {
            transform: translateY(0);
            background: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .6);
            box-shadow: none;
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
        }
        .btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(74, 86, 192, .25);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
        }
        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }
        .brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--navy);
            letter-spacing: .5px;
            line-height: 1.2;
            white-space: nowrap;
        }
        .brand .brand-dot {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            border-radius: 999px;
            transition: all var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 5px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-link:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 86, 192, .22);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--navy);
            border-radius: 2px;
            transition: all .3s;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 96px 0 88px;
            background: linear-gradient(135deg, #101534 0%, #232848 55%, #3c4390 100%);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-position: center;
            background-size: cover;
            opacity: .22;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -70px;
            top: -70px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(240, 184, 77, .18), transparent 70%);
            border-radius: 50%;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            margin-bottom: 14px;
        }
        .breadcrumb-custom a {
            color: var(--accent);
        }
        .breadcrumb-custom .sep {
            opacity: .6;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            font-size: 13px;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .hero-badge .pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ade80;
            box-shadow: 0 0 0 4px rgba(74, 222, 128, .2);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 3px rgba(74, 222, 128, .25);
            }
            55% {
                box-shadow: 0 0 0 6px rgba(74, 222, 128, .08);
            }
        }
        .page-hero h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .page-hero .hero-lead {
            color: rgba(255, 255, 255, .82);
            font-size: 17px;
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== Status Bar ========== */
        .status-bar {
            background: var(--navy);
            color: #fff;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .status-inner {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 14px;
        }
        .status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #4ade80;
            box-shadow: 0 0 0 3px rgba(74, 222, 128, .15);
            flex-shrink: 0;
        }
        .status-inner a {
            color: var(--accent);
            margin-left: auto;
            font-weight: 600;
            font-size: 13px;
        }
        .status-inner a:hover {
            text-decoration: underline;
        }

        /* ========== Section Common ========== */
        .section-pad {
            padding: 88px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-title h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--navy);
            margin-bottom: 12px;
        }
        .section-title .section-sub {
            color: var(--text-weak);
            font-size: 16px;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ========== Feature Cards ========== */
        .features-section {
            background: var(--bg-light);
        }
        .feature-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            transition: all var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--navy);
        }
        .feature-card p {
            color: var(--text-weak);
            font-size: 14.5px;
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .feature-tag {
            display: inline-block;
            padding: 4px 14px;
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            background: #f2f3ff;
            color: var(--primary);
        }

        /* ========== Process Steps ========== */
        .process-section {
            background: #fff;
        }
        .process-step {
            position: relative;
            text-align: center;
            padding: 0 12px;
        }
        .step-num {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            border-radius: 24px;
            background: var(--navy);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
        }
        .step-arrow {
            position: absolute;
            right: -12px;
            top: 28px;
            color: #c6caf0;
            font-size: 16px;
            z-index: 2;
        }
        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--navy);
        }
        .process-step p {
            color: var(--text-weak);
            font-size: 14.5px;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .step-arrow {
                display: none;
            }
        }

        /* ========== Detail Cards ========== */
        .detail-section {
            background: var(--bg-light);
        }
        .detail-card {
            display: flex;
            gap: 32px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px;
            align-items: center;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .detail-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .detail-img {
            flex: 0 0 240px;
            border-radius: 16px;
            overflow: hidden;
        }
        .detail-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .detail-card:hover .detail-img img {
            transform: scale(1.04);
        }
        .detail-body {
            flex: 1;
        }
        .detail-body h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--navy);
        }
        .detail-body > p {
            color: var(--text-weak);
            font-size: 15px;
            margin-bottom: 14px;
            line-height: 1.75;
        }
        .detail-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .detail-list li {
            padding: 6px 0 6px 26px;
            position: relative;
            font-size: 14.5px;
            color: var(--text-main);
        }
        .detail-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 700;
            font-size: 15px;
        }
        @media (max-width: 767px) {
            .detail-card {
                flex-direction: column;
                padding: 24px;
            }
            .detail-img {
                flex: none;
                width: 100%;
            }
            .detail-img img {
                height: 180px;
            }
        }

        /* ========== Stats ========== */
        .stats-section {
            position: relative;
            padding: 72px 0;
            color: #fff;
            background: linear-gradient(135deg, #101534, #232848 60%, #3c4390);
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-position: center;
            background-size: cover;
            opacity: .18;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-section .section-title h2 {
            color: #fff;
        }
        .stat-item {
            padding: 24px 16px;
            text-align: center;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(6px);
            height: 100%;
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .09);
            transform: translateY(-4px);
        }
        .stat-value {
            font-size: 38px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            color: rgba(255, 255, 255, .78);
            font-size: 14px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #d3d7ef;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--navy);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question:focus-visible {
            outline: none;
            box-shadow: inset 0 0 0 3px rgba(74, 86, 192, .2);
        }
        .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border-color);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 14px;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 480px;
        }
        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-light);
        }
        .cta-box {
            background: linear-gradient(135deg, #4a56c0, #7b5ce0);
            border-radius: 28px;
            padding: 60px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .07);
        }
        .cta-box::after {
            content: '';
            position: absolute;
            left: -40px;
            bottom: -80px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 184, 77, .14);
        }
        .cta-box .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
            font-size: 16px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--navy);
            color: #a8aec9;
            padding: 72px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }
        .footer-about {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
            color: #9298b5;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #9298b5;
            font-size: 14px;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #7e849f;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991px) {
            .main-nav {
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px 24px;
                gap: 6px;
                box-shadow: 0 20px 40px rgba(36, 40, 100, .12);
                transform: translateY(-140%);
                transition: transform .4s cubic-bezier(.16, 1, .3, 1);
                border-bottom: 1px solid var(--border-color);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 12px;
                text-align: center;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
        }
        @media (max-width: 767px) {
            .section-pad {
                padding: 64px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero {
                padding: 72px 0 64px;
            }
            .page-hero h1 {
                font-size: 29px;
            }
            .page-hero .hero-lead {
                font-size: 15.5px;
            }
            .cta-box {
                padding: 40px 24px;
                border-radius: 20px;
            }
            .cta-box h2 {
                font-size: 24px;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .status-inner a {
                width: 100%;
                margin-left: 0;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stat-value {
                font-size: 30px;
            }
        }
        @media (max-width: 520px) {
            .brand {
                font-size: 20px;
            }
            .header-row {
                height: 68px;
            }
            .main-nav {
                top: 68px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

/* roulang page: category3 */
:root {
      --brand-primary: #0B1B3B;
      --brand-secondary: #C9A96A;
      --brand-accent: #D4AF6A;
      --bg-body: #F7F6F3;
      --bg-dark: #0B1B3B;
      --bg-card: #FFFFFF;
      --text-main: #1A1D29;
      --text-weak: #6B7280;
      --border-color: #E8E6DF;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 2px 10px rgba(11, 27, 59, 0.06);
      --shadow-md: 0 10px 30px rgba(11, 27, 59, 0.1);
      --shadow-lg: 0 18px 50px rgba(11, 27, 59, 0.16);
      --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-main);
      background: var(--bg-body);
      color: var(--text-main);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .container {
      max-width: 1200px;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: rgba(255, 255, 255, 0.88);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(232, 230, 223, 0.9);
    }

    .header-row {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      height: 74px;
      gap: 24px;
    }

    .brand {
      font-size: 20px;
      font-weight: 700;
      color: var(--brand-primary);
      letter-spacing: 0.5px;
      display: inline-flex;
      align-items: center;
      gap: 2px;
      white-space: nowrap;
    }

    .brand .brand-dot {
      color: var(--brand-secondary);
    }

    .main-nav {
      display: flex;
      gap: 32px;
      justify-content: center;
    }

    .nav-link {
      position: relative;
      color: var(--text-weak);
      font-size: 15px;
      font-weight: 500;
      padding: 8px 2px;
      line-height: 1.4;
      white-space: nowrap;
      display: inline-block;
    }

    .nav-link::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--brand-secondary);
      border-radius: 2px;
      transition: width 0.32s ease;
    }

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

    .nav-link:hover::after {
      width: 100%;
    }

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

    .nav-link.active::after {
      width: 100%;
    }

    .header-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 12px;
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      background: none;
      border: 0;
      padding: 8px;
      border-radius: 8px;
      cursor: pointer;
    }

    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--brand-primary);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .nav-toggle.open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle.open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ===== Buttons ===== */
    .btn {
      border-radius: 999px;
      font-weight: 600;
      letter-spacing: 0.2px;
      padding: 10px 26px;
      transition: all 0.3s ease;
      border: none;
    }

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

    .btn-primary:hover,
    .btn-primary:focus {
      background: #162a50;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(11, 27, 59, 0.28);
    }

    .btn-sm {
      padding: 8px 20px;
      font-size: 14px;
    }

    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.5);
      color: #fff;
    }

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

    .btn-cta {
      background: var(--brand-secondary);
      color: var(--brand-primary);
      padding: 14px 40px;
      font-size: 16px;
      font-weight: 700;
    }

    .btn-cta:hover {
      background: #d9b87b;
      color: var(--brand-primary);
      transform: translateY(-3px);
      box-shadow: 0 14px 30px rgba(201, 169, 106, 0.4);
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .brand:focus-visible,
    a:focus-visible {
      outline: 2px solid var(--brand-secondary);
      outline-offset: 3px;
      border-radius: 4px;
    }

    /* ===== Section ===== */
    .section {
      padding: 84px 0;
    }

    .section-head {
      text-align: center;
      max-width: 740px;
      margin: 0 auto 56px;
    }

    .eyebrow {
      display: inline-block;
      font-size: 13px;
      letter-spacing: 2.5px;
      text-transform: uppercase;
      color: var(--brand-secondary);
      font-weight: 700;
      margin-bottom: 14px;
    }

    .section-head h2 {
      font-size: 34px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .section-head .accent {
      color: var(--brand-secondary);
    }

    .section-head p {
      color: var(--text-weak);
      font-size: 16px;
      line-height: 1.9;
      margin-bottom: 0;
    }

    /* ===== Page Banner ===== */
    .page-banner {
      position: relative;
      padding: 132px 0 96px;
      background-image: url("/assets/images/backpic/back-2.png");
      background-size: cover;
      background-position: center;
      color: #fff;
    }

    .page-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 27, 59, 0.74) 0%, rgba(11, 27, 59, 0.9) 100%);
    }

    .page-banner .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      margin-bottom: 28px;
      color: rgba(255, 255, 255, 0.68);
    }

    .breadcrumb-wrap a {
      color: rgba(255, 255, 255, 0.78);
      transition: color 0.3s;
    }

    .breadcrumb-wrap a:hover {
      color: var(--brand-secondary);
    }

    .breadcrumb-wrap .sep {
      opacity: 0.5;
    }

    .breadcrumb-wrap .current {
      color: var(--brand-secondary);
      font-weight: 500;
    }

    .page-banner h1 {
      font-size: 40px;
      font-weight: 700;
      margin-bottom: 18px;
      letter-spacing: 0.6px;
      line-height: 1.3;
    }

    .page-banner .lead {
      font-size: 17px;
      line-height: 1.9;
      color: rgba(255, 255, 255, 0.82);
      max-width: 680px;
      margin-bottom: 28px;
    }

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

    .banner-tags .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 18px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.24);
      font-size: 13px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.9);
    }

    .banner-tags .tag i {
      color: var(--brand-secondary);
      font-size: 12px;
    }

    /* ===== Status Strip ===== */
    .status-strip {
      background: var(--brand-primary);
      color: #fff;
      padding: 12px 0;
      font-size: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .status-strip .container {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #4ade80;
      display: inline-block;
      animation: pulse-dot 2s infinite;
      box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
    }

    @keyframes pulse-dot {
      0% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
      }
      70% {
        box-shadow: 0 0 0 10px rgba(74, 222, 128, 0);
      }
      100% {
        box-shadow: 0 0 0 0 rgba(74, 222, 128, 0);
      }
    }

    .status-strip .status-text {
      color: rgba(255, 255, 255, 0.88);
    }

    .status-strip a {
      color: var(--brand-secondary);
      font-weight: 600;
      text-decoration: underline;
      text-underline-offset: 4px;
    }

    /* ===== Feature Cards ===== */
    .feature-card {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      padding: 34px 28px;
      height: 100%;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
      border-color: rgba(201, 169, 106, 0.45);
    }

    .feature-icon {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      background: rgba(201, 169, 106, 0.15);
      color: var(--brand-secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }

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

    .feature-card p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.85;
      margin-bottom: 0;
    }

    /* ===== Media Blocks ===== */
    .media-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
      margin-bottom: 72px;
    }

    .media-row:last-child {
      margin-bottom: 0;
    }

    .media-row.reverse .media-image {
      order: 2;
    }

    .media-image {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      line-height: 0;
    }

    .media-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .media-image:hover img {
      transform: scale(1.03);
    }

    .media-content {
      padding: 8px 0;
    }

    .media-kicker {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1.5px;
      color: var(--brand-secondary);
      text-transform: uppercase;
      margin-bottom: 14px;
    }

    .media-content h3 {
      font-size: 28px;
      font-weight: 700;
      color: var(--brand-primary);
      line-height: 1.4;
      margin-bottom: 16px;
    }

    .media-content p {
      color: var(--text-weak);
      font-size: 15px;
      line-height: 1.95;
      margin-bottom: 0;
    }

    .media-list {
      list-style: none;
      padding: 0;
      margin: 22px 0 0;
    }

    .media-list li {
      position: relative;
      padding-left: 30px;
      margin-bottom: 13px;
      color: var(--text-main);
      font-size: 15px;
      line-height: 1.7;
    }

    .media-list li:last-child {
      margin-bottom: 0;
    }

    .media-list li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      top: 1px;
      color: var(--brand-secondary);
      font-size: 14px;
    }

    /* ===== Steps ===== */
    .steps-section {
      background: #fff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

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

    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      position: relative;
      transition: box-shadow 0.3s ease, transform 0.3s ease;
    }

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

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--brand-primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      margin-bottom: 18px;
    }

    .step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--brand-primary);
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-weak);
      line-height: 1.8;
      margin-bottom: 0;
    }

    /* ===== Stats ===== */
    .stats-panel {
      background: var(--brand-primary);
      border-radius: 28px;
      padding: 60px 50px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .stats-panel::after {
      content: "";
      position: absolute;
      width: 300px;
      height: 300px;
      right: -100px;
      top: -120px;
      background: radial-gradient(circle, rgba(201, 169, 106, 0.22) 0%, transparent 70%);
      border-radius: 50%;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .stat-card strong {
      font-size: 42px;
      color: #fff;
      display: block;
      font-weight: 700;
      letter-spacing: 1px;
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .stat-card span {
      color: rgba(255, 255, 255, 0.72);
      font-size: 14px;
      letter-spacing: 0.4px;
    }

    .stat-card strong .suffix {
      font-size: 22px;
      color: var(--brand-secondary);
      margin-left: 2px;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 840px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.3s ease;
    }

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

    .faq-item summary {
      list-style: none;
      padding: 20px 26px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--brand-primary);
      font-size: 16px;
      gap: 20px;
      user-select: none;
    }

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

    .faq-item summary::after {
      content: "\f067";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 14px;
      color: var(--brand-secondary);
      flex: 0 0 auto;
      transition: transform 0.3s ease;
    }

    .faq-item[open] summary::after {
      transform: rotate(45deg);
    }

    .faq-content {
      padding: 0 26px 22px;
      color: var(--text-weak);
      line-height: 1.95;
      font-size: 15px;
      border-top: 1px solid var(--border-color);
      margin-top: 2px;
      padding-top: 18px;
    }

    /* ===== CTA ===== */
    .cta-inner {
      background: linear-gradient(135deg, #0B1B3B 0%, #162A50 100%);
      border-radius: 30px;
      padding: 76px 56px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-inner::before {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      left: -160px;
      bottom: -180px;
      background: radial-gradient(circle, rgba(201, 169, 106, 0.28) 0%, transparent 70%);
      border-radius: 50%;
    }

    .cta-inner h2 {
      font-size: 34px;
      font-weight: 700;
      margin-bottom: 16px;
      position: relative;
      z-index: 2;
    }

    .cta-inner p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 16px;
      margin-bottom: 30px;
      position: relative;
      z-index: 2;
    }

    .cta-inner .btn-cta {
      position: relative;
      z-index: 2;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0a1424;
      color: rgba(255, 255, 255, 0.72);
      padding: 72px 0 32px;
      margin-top: 96px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      letter-spacing: 0.4px;
    }

    .footer-brand .brand-dot {
      color: var(--brand-secondary);
    }

    .footer-about {
      margin-top: 16px;
      font-size: 14px;
      line-height: 1.9;
      color: rgba(255, 255, 255, 0.6);
      max-width: 340px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }

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

    .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: color 0.3s ease, padding-left 0.3s ease;
    }

    .footer-links a:hover {
      color: var(--brand-secondary);
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 26px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
    }

    /* ===== Responsive ===== */
    @media (max-width: 991.98px) {
      .main-nav {
        position: fixed;
        top: 74px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 16px 24px 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
        transform: translateY(-120%);
        transition: transform 0.35s ease;
        z-index: 1040;
      }

      .main-nav.open {
        transform: translateY(0);
      }

      .nav-link {
        display: block;
        width: 100%;
        padding: 12px 0;
        font-size: 16px;
        border-bottom: 1px solid rgba(232, 230, 223, 0.6);
      }

      .nav-link::after {
        display: none;
      }

      .nav-link.active {
        color: var(--brand-secondary);
      }

      .nav-toggle {
        display: inline-flex;
      }

      .header-actions .btn-sm {
        display: none;
      }

      .section {
        padding: 64px 0;
      }

      .page-banner {
        padding: 100px 0 72px;
      }

      .page-banner h1 {
        font-size: 32px;
      }

      .media-row,
      .media-row.reverse {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .media-row.reverse .media-image {
        order: 0;
      }

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

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

      .stats-panel {
        padding: 46px 32px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }

      .cta-inner {
        padding: 56px 36px;
      }
    }

    @media (max-width: 767.98px) {
      .header-row {
        grid-template-columns: 1fr auto;
        height: 68px;
      }

      .main-nav {
        top: 68px;
      }

      .section-head h2 {
        font-size: 28px;
      }

      .section-head p {
        font-size: 15px;
      }

      .page-banner h1 {
        font-size: 27px;
      }

      .page-banner .lead {
        font-size: 15px;
      }

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

      .stat-card strong {
        font-size: 34px;
      }

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

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

      .cta-inner {
        padding: 44px 24px;
        border-radius: 22px;
      }

      .cta-inner h2 {
        font-size: 27px;
      }
    }

    @media (max-width: 575.98px) {
      .section {
        padding: 52px 0;
      }

      .page-banner {
        padding: 80px 0 56px;
      }

      .page-banner .banner-tags {
        gap: 8px;
      }

      .page-banner .banner-tags .tag {
        padding: 6px 12px;
        font-size: 12px;
      }

      .stats-panel {
        padding: 40px 22px;
        border-radius: 20px;
      }

      .stats-grid {
        gap: 24px;
      }

      .media-content h3 {
        font-size: 24px;
      }

      .faq-item summary {
        padding: 18px 20px;
        font-size: 15px;
      }
    }