/* roulang page: index */
:root {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --primary-light: #e8f0fe;
  --accent: #f5b04c;
  --accent-light: #fef4e5;
  --dark: #0b1220;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #5b6b7f;
  --border: #e6ebf2;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
  --transition: all 0.3s ease;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--primary);
}
img {
  max-width: 100%;
  height: auto;
}
button,
input,
select,
textarea {
  font-family: inherit;
}
.container {
  max-width: 1180px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  min-height: 78px;
  position: relative;
}
.header-nav {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 4px;
}
.header-nav-left {
  justify-content: flex-start;
}
.header-nav-right {
  justify-content: flex-end;
}
.header-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
}
.header-link:hover {
  color: var(--primary);
  background: var(--primary-light);
}
.header-link.active {
  background: var(--primary);
  color: #fff;
}
.header-link.active:hover {
  color: #fff;
  background: var(--primary-dark);
}
.brand {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--primary-dark);
  white-space: nowrap;
  z-index: 2;
}
.brand:hover {
  color: var(--primary);
}
.brand i {
  color: var(--accent);
  margin-right: 4px;
}
.mobile-toggler {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: var(--primary-light);
  color: var(--primary-dark);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.mobile-toggler:hover {
  background: var(--primary);
  color: #fff;
}
.mobile-menu {
  background: #fff;
  width: 300px;
}
.mobile-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary-dark);
}
.mobile-link {
  display: block;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.mobile-link:hover,
.mobile-link.active {
  background: var(--primary-light);
  color: var(--primary);
}
.page-banner {
  position: relative;
  padding: 92px 0 76px;
  color: #fff;
  background: linear-gradient(120deg, rgba(7, 12, 24, 0.92), rgba(20, 44, 92, 0.82)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.page-banner h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin: 16px 0 12px;
}
.page-banner .lead {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.1rem;
  margin-bottom: 0;
}
.page-banner-tag {
  display: inline-block;
  background: var(--accent);
  color: #1e293b;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 5px 16px;
  border-radius: 50px;
}
.section {
  padding: 92px 0;
}
.section-alt {
  background: #f0f5fa;
}
.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}
.section-kicker {
  display: inline-block;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.82rem;
  background: var(--primary-light);
  padding: 5px 16px;
  border-radius: 50px;
}
.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  margin: 14px 0 12px;
  color: var(--dark);
}
.section-desc {
  color: var(--muted);
  font-size: 1.05rem;
}
.btn-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 13px 30px;
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 8px 22px rgba(29, 78, 216, 0.3);
  transition: var(--transition);
}
.btn-brand:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(29, 78, 216, 0.38);
}
.btn-outline-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.75);
  color: #fff;
  border-radius: 50px;
  padding: 12px 28px;
  font-weight: 700;
  transition: var(--transition);
}
.btn-outline-brand:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
  transform: translateY(-2px);
}
.star-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
}
.star-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: #cdd9eb;
}
.card-content {
  padding: 26px;
}
.cover-round {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
}
.cover-round img {
  width: 100%;
  display: block;
}
.topic-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  margin-bottom: 16px;
}
.topic-card h3 {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 10px;
}
.topic-card p {
  color: var(--muted);
  font-size: 0.94rem;
  margin-bottom: 0;
}
.guide-about {
  display: flex;
  align-items: center;
  gap: 48px;
}
.guide-about-visual {
  flex: 0 0 46%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.guide-about-visual img {
  width: 100%;
  display: block;
}
.guide-about-body {
  flex: 1;
}
.guide-about-body h2 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
}
.guide-about-body p {
  color: var(--muted);
  margin-bottom: 18px;
}
.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 10px;
}
.step-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 16px;
}
.step-item:nth-child(2) .step-num {
  background: var(--accent);
  color: #1e293b;
}
.step-item:nth-child(3) .step-num {
  background: var(--primary-dark);
}
.step-item:nth-child(4) .step-num {
  background: #4f46e5;
}
.step-item h3 {
  font-size: 1.08rem;
  font-weight: 800;
  margin-bottom: 8px;
}
.step-item p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
}
.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  background: #fff;
}
.accordion-button {
  font-weight: 700;
  color: var(--text);
  background: #fff;
  padding: 1.1rem 1.25rem;
  font-size: 1rem;
}
.accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: 0 0 0 0.25rem rgba(29, 78, 216, 0.1);
}
.accordion-body {
  color: var(--muted);
  padding: 1.2rem 1.25rem;
  border-top: 1px solid var(--border);
  background: #fff;
}
.cta-panel {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  padding: 80px 40px;
  text-align: center;
  color: #fff;
  background: linear-gradient(120deg, rgba(7, 12, 24, 0.92), rgba(30, 58, 138, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.cta-panel h2 {
  font-size: 2.1rem;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-panel p {
  max-width: 640px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
}
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 70px 0 0;
}
.footer-brand {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand i {
  color: var(--accent);
}
.footer-desc {
  font-size: 0.92rem;
  line-height: 1.8;
  margin-bottom: 20px;
}
.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact li {
  list-style: none;
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
  margin-top: 5px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 50px;
  padding: 20px 0;
  text-align: center;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
}
@media (max-width: 991.98px) {
  .header-nav {
    display: none;
  }
  .brand {
    position: static;
    transform: none;
    margin-right: auto;
  }
  .header-inner {
    position: relative;
  }
  .mobile-toggler {
    position: static;
    transform: none;
    margin-left: auto;
  }
  .page-banner {
    padding: 64px 0 54px;
  }
  .page-banner h1 {
    font-size: 1.9rem;
  }
  .section {
    padding: 68px 0;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .guide-about {
    flex-direction: column;
  }
  .guide-about-visual {
    flex: none;
    width: 100%;
  }
  .steps-wrap {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 575.98px) {
  .page-banner h1 {
    font-size: 1.6rem;
  }
  .section-title {
    font-size: 1.55rem;
  }
  .steps-wrap {
    grid-template-columns: 1fr;
  }
  .cta-panel {
    padding: 60px 20px;
  }
  .cta-panel h2 {
    font-size: 1.6rem;
  }
  .guide-about-body h2 {
    font-size: 1.5rem;
  }
}

/* roulang page: category1 */
:root {
  --primary: #14246b;
  --primary-deep: #0b1440;
  --primary-soft: #eaeef9;
  --accent: #f0a500;
  --accent-dark: #cc8b00;
  --accent-soft: #fff3d6;
  --bg: #f6f7fb;
  --white: #ffffff;
  --text: #1d2435;
  --text-weak: #616a82;
  --border: #e4e7f0;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 12px 32px rgba(20, 36, 107, .08);
  --shadow-lg: 0 20px 48px rgba(20, 36, 107, .14);
  --transition: .25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

button {
  border: none;
  background: none;
}

:focus-visible {
  outline: 3px solid rgba(240, 165, 0, .45);
  outline-offset: 2px;
  border-radius: 6px;
}

.container {
  max-width: 1200px;
}

/* ========== 顶部导航 ========== */
.site-header {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1080;
}

.header-row {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 76px;
}

.header-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .02em;
  white-space: nowrap;
}

.header-logo i {
  color: var(--accent);
  font-size: 1.25rem;
}

.header-logo:hover {
  color: var(--primary-deep);
}

.header-nav-left {
  margin-right: auto;
}

.header-nav-right {
  margin-left: auto;
}

.header-link {
  display: inline-block;
  color: var(--text-weak);
  font-weight: 500;
  font-size: .98rem;
  padding: .5rem 1rem;
  border-radius: 50rem;
  transition: all var(--transition);
}

.header-link:hover {
  color: var(--primary);
  background: var(--primary-soft);
}

.header-link.active {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 700;
}

.header-toggle {
  margin-left: auto;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--primary);
  background: var(--primary-soft);
  font-size: 1.1rem;
  transition: all var(--transition);
}

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

/* 移动端抽屉菜单 */
.mobile-menu {
  width: 300px;
  background: var(--white);
}

.mobile-menu .offcanvas-header {
  border-bottom: 1px solid var(--border);
  padding: 1.1rem 1.25rem;
}

.mobile-logo {
  font-weight: 800;
  color: var(--primary);
  font-size: 1.15rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.mobile-logo i {
  color: var(--accent);
}

.mobile-menu .offcanvas-body {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}

.mobile-link {
  display: block;
  padding: .8rem 1rem;
  border-radius: 12px;
  color: var(--text-weak);
  font-weight: 500;
  transition: all var(--transition);
}

.mobile-link:hover,
.mobile-link.active {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 700;
}

/* ========== Hero ========== */
.category-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 120px 0 150px;
  color: #fff;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(11, 20, 64, .94) 10%, rgba(20, 36, 107, .78) 55%, rgba(20, 36, 107, .4) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 740px;
  animation: heroUp .7s ease both;
}

@keyframes heroUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #ffe1a0;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .04em;
  padding: .4rem 1rem;
  border-radius: 50rem;
  backdrop-filter: blur(6px);
  margin-bottom: 1.4rem;
}

.hero-badge i {
  color: var(--accent);
}

.category-hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.3rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .01em;
  margin-bottom: 1.1rem;
}

.category-hero p {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, .82);
  max-width: 650px;
  margin-bottom: 1.9rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  border-radius: 50rem;
  padding: .8rem 1.9rem;
  font-weight: 700;
  border: none;
  box-shadow: 0 10px 24px rgba(240, 165, 0, .32);
  transition: all var(--transition);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(240, 165, 0, .4);
  color: #fff;
}

.btn-outline-light {
  border: 1.5px solid rgba(255, 255, 255, .6);
  color: #fff;
  border-radius: 50rem;
  padding: .8rem 1.9rem;
  font-weight: 600;
  background: transparent;
  transition: all var(--transition);
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 2.4rem;
  color: rgba(255, 255, 255, .75);
  font-size: .92rem;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

.hero-meta i {
  color: var(--accent);
}

/* ========== 数据条 ========== */
.stats-section {
  position: relative;
  z-index: 5;
  margin-top: -72px;
  padding-bottom: 10px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.1rem;
}

.stat-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.6rem 1.4rem;
  text-align: center;
  transition: all var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-num {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}

.stat-num span {
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 800;
  margin-left: 2px;
}

.stat-label {
  margin-top: .4rem;
  color: var(--text-weak);
  font-size: .94rem;
  font-weight: 500;
}

/* ========== 通用板块 ========== */
.section-block {
  padding: 92px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 2.8rem;
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .05em;
  padding: .35rem 1rem;
  border-radius: 50rem;
  margin-bottom: 1rem;
}

.section-tag i {
  color: var(--accent);
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.3;
  margin-bottom: .8rem;
  letter-spacing: .01em;
}

.section-head p {
  color: var(--text-weak);
  font-size: 1.02rem;
  margin-bottom: 0;
}

/* ========== 概览板块 ========== */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.overview-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.overview-media img {
  width: 100%;
  display: block;
  transition: transform .5s ease;
}

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

.overview-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11, 20, 64, .18), transparent 60%);
  pointer-events: none;
}

.overview-badge {
  position: absolute;
  left: 1.2rem;
  bottom: 1.2rem;
  z-index: 2;
  background: rgba(20, 36, 107, .85);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: .84rem;
  font-weight: 600;
  padding: .45rem 1rem;
  border-radius: 50rem;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
}

.overview-badge i {
  color: var(--accent);
}

.overview-text .lead-text {
  font-size: 1.06rem;
  color: var(--text-weak);
  margin-bottom: 1.5rem;
}

.overview-list {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.overview-list li {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .95rem 1.1rem;
  transition: all var(--transition);
}

.overview-list li:hover {
  box-shadow: var(--shadow);
  border-color: rgba(20, 36, 107, .25);
}

.overview-list .list-icon {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: .95rem;
}

.overview-list .list-text strong {
  display: block;
  color: var(--text);
  font-weight: 700;
  line-height: 1.3;
}

.overview-list .list-text span {
  font-size: .92rem;
  color: var(--text-weak);
}

/* ========== 分类卡片 ========== */
.guides-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.guides-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}

.guide-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}

.guide-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(20, 36, 107, .18);
}

.guide-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}

.guide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.guide-card:hover .guide-media img {
  transform: scale(1.06);
}

.guide-tag {
  position: absolute;
  top: .9rem;
  left: .9rem;
  background: rgba(20, 36, 107, .85);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: .76rem;
  font-weight: 600;
  padding: .3rem .8rem;
  border-radius: 50rem;
  letter-spacing: .02em;
}

.guide-body {
  padding: 1.3rem 1.3rem 1.5rem;
}

.guide-body h3 {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--primary-deep);
  margin-bottom: .5rem;
}

.guide-body p {
  font-size: .93rem;
  color: var(--text-weak);
  margin-bottom: 1rem;
}

.guide-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .92rem;
  font-weight: 700;
  color: var(--primary);
  transition: all var(--transition);
}

.guide-link i {
  transition: transform var(--transition);
}

.guide-link:hover {
  color: var(--accent-dark);
}

.guide-link:hover i {
  transform: translateX(4px);
}

/* ========== 流程板块 ========== */
.flow-section {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 96px 0;
  color: #fff;
  overflow: hidden;
}

.flow-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 20, 64, .93);
}

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

.flow-section .section-tag {
  background: rgba(240, 165, 0, .16);
  color: #ffe1a0;
  border: 1px solid rgba(240, 165, 0, .35);
}

.flow-section .section-head h2 {
  color: #fff;
}

.flow-section .section-head p {
  color: rgba(255, 255, 255, .72);
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.flow-item {
  position: relative;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  padding: 1.6rem 1.2rem 1.4rem;
  transition: all var(--transition);
  height: 100%;
}

.flow-item:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(240, 165, 0, .5);
  transform: translateY(-6px);
}

.flow-num {
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--accent);
  margin-bottom: .6rem;
}

.flow-item h3 {
  font-size: 1.02rem;
  font-weight: 700;
  margin-bottom: .45rem;
}

.flow-item p {
  font-size: .88rem;
  color: rgba(255, 255, 255, .68);
  margin-bottom: 0;
  line-height: 1.6;
}

/* ========== 内容列表 ========== */
.articles-section {
  background: var(--bg);
}

.articles-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

.article-feature {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}

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

.article-feature .feature-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.article-feature .feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.article-feature:hover .feature-media img {
  transform: scale(1.04);
}

.feature-cat {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(240, 165, 0, .92);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  padding: .3rem .9rem;
  border-radius: 50rem;
}

.feature-body {
  padding: 1.6rem 1.6rem 1.8rem;
}

.feature-body h3 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-deep);
  line-height: 1.4;
  margin-bottom: .6rem;
}

.feature-body p {
  color: var(--text-weak);
  font-size: .95rem;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  font-size: .85rem;
  color: var(--text-weak);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

.article-meta i {
  color: var(--accent-dark);
}

.article-list {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.article-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  transition: all var(--transition);
}

.article-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(20, 36, 107, .2);
  transform: translateX(4px);
}

.article-index {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  font-size: 1rem;
}

.article-item .item-body {
  flex: 1;
  min-width: 0;
}

.article-item .item-title {
  display: block;
  font-weight: 700;
  color: var(--text);
  line-height: 1.45;
  margin-bottom: .25rem;
  transition: color var(--transition);
}

.article-item:hover .item-title {
  color: var(--primary);
}

.article-item .item-tag {
  font-size: .8rem;
  color: var(--text-weak);
}

.article-item .item-tag strong {
  color: var(--accent-dark);
  font-weight: 600;
  margin-right: .3rem;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-sm) !important;
  margin-bottom: .9rem;
  overflow: hidden;
  box-shadow: none !important;
}

.accordion-item:last-child {
  margin-bottom: 0;
}

.accordion-button {
  font-weight: 700;
  color: var(--text) !important;
  font-size: 1rem;
  padding: 1.15rem 1.3rem;
  background: var(--white) !important;
  transition: background var(--transition);
}

.accordion-button:not(.collapsed) {
  background: var(--primary-soft) !important;
  color: var(--primary) !important;
  box-shadow: none !important;
}

.accordion-button:focus {
  box-shadow: none !important;
  border-color: rgba(20, 36, 107, .25) !important;
}

.accordion-button::after {
  background-size: 1rem;
  filter: saturate(0) hue-rotate(200deg);
}

.accordion-body {
  padding: 1.1rem 1.3rem 1.4rem;
  color: var(--text-weak);
  font-size: .95rem;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  background: var(--white);
}

/* ========== CTA ========== */
.cta-section {
  padding: 88px 0;
  background: var(--primary-deep);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 165, 0, .28), transparent 65%);
  top: -160px;
  right: -100px;
}

.cta-section::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(20, 36, 107, .55), transparent 65%);
  bottom: -140px;
  left: -80px;
}

.cta-box {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  color: #fff;
}

.cta-box .cta-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(240, 165, 0, .16);
  border: 1px solid rgba(240, 165, 0, .4);
  color: var(--accent);
  font-size: 1.5rem;
}

.cta-box h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: .8rem;
}

.cta-box p {
  color: rgba(255, 255, 255, .78);
  font-size: 1rem;
  margin-bottom: 1.8rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .8rem;
}

.cta-actions .btn-accent {
  box-shadow: 0 12px 28px rgba(240, 165, 0, .35);
}

.cta-actions .btn-outline-light {
  border-color: rgba(255, 255, 255, .5);
}

.cta-actions .btn-outline-light:hover {
  color: var(--primary-deep);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0a1128;
  color: rgba(255, 255, 255, .72);
  padding: 72px 0 0;
}

.site-footer .container {
  padding-bottom: 1.5rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-brand i {
  color: var(--accent);
}

.footer-desc {
  font-size: .94rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .62);
  margin-bottom: 0;
}

.footer-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: .6rem;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  border-radius: 4px;
  background: var(--accent);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer-links a {
  color: rgba(255, 255, 255, .66);
  font-size: .94rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  font-size: .94rem;
  color: rgba(255, 255, 255, .66);
}

.footer-contact i {
  width: 22px;
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 1.4rem 0;
  text-align: center;
  font-size: .88rem;
  color: rgba(255, 255, 255, .45);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 768px) {
  .section-block {
    padding: 64px 0;
  }

  .category-hero {
    padding: 84px 0 120px;
  }

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

  .overview-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .flow-section {
    padding: 72px 0;
  }

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

  .header-logo {
    font-size: 1.2rem;
  }

  .header-logo i {
    font-size: 1.1rem;
  }
}

@media (max-width: 520px) {
  .section-block {
    padding: 52px 0;
  }

  .category-hero h1 {
    font-size: 1.9rem;
  }

  .category-hero p {
    font-size: .98rem;
  }

  .hero-meta {
    flex-direction: column;
    gap: .5rem;
  }

  .stats-grid {
    gap: .7rem;
  }

  .stat-card {
    padding: 1.15rem .8rem;
  }

  .stat-num {
    font-size: 1.6rem;
  }

  .guides-grid,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions .btn-accent,
  .hero-actions .btn-outline-light,
  .cta-actions .btn-accent,
  .cta-actions .btn-outline-light {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .site-footer {
    padding-top: 54px;
  }
}

/* roulang page: article */
:root {
  --primary: #172a4f;
  --primary-dark: #0f1d3a;
  --primary-light: #26427e;
  --accent: #e9a23b;
  --accent-dark: #cf8a1e;
  --teal: #2bb3a3;
  --bg-light: #f5f7fc;
  --bg-white: #ffffff;
  --text-main: #1b2a41;
  --text-body: #44546a;
  --text-muted: #7a879b;
  --border-color: #e6eaf2;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(23, 42, 79, 0.06);
  --shadow-md: 0 10px 30px rgba(23, 42, 79, 0.10);
  --shadow-lg: 0 20px 50px rgba(23, 42, 79, 0.16);
  --transition: all 0.25s ease;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

img {
  max-width: 100%;
  display: block;
  border: 0;
}

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

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

button,
input,
textarea {
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

::selection {
  background: rgba(233, 162, 59, 0.25);
  color: var(--primary);
}

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #f0f2f8;
}

::-webkit-scrollbar-thumb {
  background: #c3cad9;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9aa6bf;
}

a:focus-visible,
button:focus-visible,
.accordion-button:focus-visible {
  outline: 3px solid rgba(233, 162, 59, 0.55);
  outline-offset: 2px;
  border-radius: 6px;
}

.container {
  --bs-gutter-x: 1.5rem;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1rem;
}

.header-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.42rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: var(--transition);
}

.header-logo i {
  color: var(--accent);
  font-size: 1.25rem;
  filter: drop-shadow(0 2px 6px rgba(233, 162, 59, 0.45));
}

.header-logo:hover {
  color: var(--primary);
  opacity: 0.88;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.header-nav-left {
  justify-content: flex-start;
}

.header-nav-right {
  justify-content: flex-end;
}

.header-link {
  padding: 0.45rem 1.15rem;
  border-radius: 999px;
  color: var(--text-body);
  font-weight: 600;
  font-size: 0.94rem;
  transition: var(--transition);
}

.header-link:hover {
  color: var(--primary);
  background: #f0f3fa;
}

.header-link.active {
  color: #ffffff;
  background: var(--primary);
  box-shadow: 0 4px 12px rgba(23, 42, 79, 0.25);
}

.header-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--primary);
  font-size: 1.1rem;
  transition: var(--transition);
}

.header-toggle:hover {
  border-color: var(--primary);
  background: #f5f7fc;
}

.mobile-nav {
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 0 1rem;
  background: #fff;
}

.mobile-link {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-body);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.mobile-link:hover {
  color: var(--primary);
  background: #f0f3fa;
  padding-left: 1rem;
}

.mobile-link.active {
  color: #fff;
  background: var(--primary);
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 6rem 0;
  color: #fff;
}

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(13, 24, 50, 0.93) 0%, rgba(23, 42, 79, 0.82) 55%, rgba(38, 66, 126, 0.65) 100%);
}

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

.breadcrumb-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.1rem;
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.8);
}

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

.breadcrumb-nav i {
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.5);
}

.breadcrumb-nav .current {
  color: var(--accent);
}

.page-banner-title {
  font-size: 2.4rem;
  font-weight: 800;
  max-width: 880px;
  line-height: 1.32;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.25);
}

.page-banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-top: 1.1rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.95rem;
}

.page-banner-meta i {
  color: var(--accent);
  margin-right: 0.4rem;
}

/* ===== Article Section ===== */
.article-section {
  padding: 4.5rem 0 5rem;
}

.article-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 2.2rem;
  transition: var(--transition);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #f3f5fa;
  color: var(--text-body);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.32rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
}

.meta-badge i {
  color: var(--accent);
}

.article-body {
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--text-body);
  word-break: break-word;
}

.article-body p {
  margin-bottom: 1.2rem;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--primary);
  margin: 1.7rem 0 0.8rem;
  font-weight: 700;
  line-height: 1.4;
}

.article-body h2 {
  font-size: 1.5rem;
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--border-color);
}

.article-body h3 {
  font-size: 1.25rem;
}

.article-body h4 {
  font-size: 1.1rem;
}

.article-body ul,
.article-body ol {
  padding-left: 1.3rem;
  margin-bottom: 1.2rem;
}

.article-body ul li {
  list-style: disc;
  margin-bottom: 0.4rem;
}

.article-body ol li {
  list-style: decimal;
  margin-bottom: 0.4rem;
}

.article-body img {
  border-radius: var(--radius-sm);
  margin: 1.4rem 0;
  box-shadow: var(--shadow-sm);
}

.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: #faf7f0;
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-body);
  margin-bottom: 1.2rem;
}

.article-body a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(23, 42, 79, 0.3);
}

.article-body a:hover {
  color: var(--accent-dark);
  border-color: var(--accent);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.3rem;
  font-size: 0.95rem;
}

.article-body table th {
  background: var(--primary);
  color: #fff;
  padding: 0.6rem 0.9rem;
  text-align: left;
  font-weight: 600;
}

.article-body table td {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--border-color);
}

.article-body table tr:nth-child(even) td {
  background: #fafbfe;
}

.article-divider {
  height: 1px;
  background: linear-gradient(to right, var(--border-color), transparent);
  margin: 1.8rem 0 1.2rem;
}

.article-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.article-unit-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #f7f8fc;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.article-unit-label i {
  color: var(--accent);
}

.article-empty {
  text-align: center;
  padding: 4rem 2rem;
}

.article-empty .empty-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.article-empty h2 {
  color: var(--primary);
  font-weight: 800;
  margin-bottom: 0.8rem;
}

.article-empty p {
  color: var(--text-muted);
  margin-bottom: 1.6rem;
  max-width: 430px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Sidebar ===== */
.sidebar-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.sidebar-card:hover {
  box-shadow: var(--shadow-md);
}

.sidebar-title {
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--primary);
  padding-bottom: 0.75rem;
  margin-bottom: 1.1rem;
  border-bottom: 2px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-title i {
  color: var(--accent);
  font-size: 0.9rem;
}

.sidebar-about-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.sidebar-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-body);
}

.sidebar-cat li {
  border-bottom: 1px dashed var(--border-color);
}

.sidebar-cat li:last-child {
  border-bottom: none;
}

.sidebar-cat a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0;
  color: var(--text-body);
  font-size: 0.95rem;
  font-weight: 600;
}

.sidebar-cat a:hover {
  color: var(--primary);
  padding-left: 0.4rem;
}

.sidebar-cat a i {
  color: var(--accent);
  font-size: 0.75rem;
}

.hot-list li {
  margin-bottom: 0.9rem;
}

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

.hot-item {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  padding: 0.45rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hot-item:hover {
  background: #f7f9fd;
}

.hot-item img {
  width: 72px;
  height: 52px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.hot-info {
  flex: 1;
  min-width: 0;
}

.hot-title {
  font-size: 0.89rem;
  color: var(--text-main);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 600;
  transition: var(--transition);
}

.hot-item:hover .hot-title {
  color: var(--primary);
}

.hot-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  display: block;
}

/* ===== Section Header ===== */
.section-header {
  text-align: center;
  margin-bottom: 2.8rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(233, 162, 59, 0.13);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.36rem 1rem;
  border-radius: 999px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-top: 0.8rem;
  letter-spacing: 0.02em;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 640px;
  margin: 0.7rem auto 0;
  font-size: 0.97rem;
}

/* ===== Resource Cards ===== */
.resource-section {
  padding: 4.5rem 0 5rem;
  background: var(--bg-white);
}

.resource-card {
  display: block;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}

.resource-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(23, 42, 79, 0.16);
}

.resource-img {
  position: relative;
  overflow: hidden;
}

.resource-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.resource-card:hover .resource-img img {
  transform: scale(1.06);
}

.resource-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.02em;
}

.resource-body {
  padding: 1.5rem;
}

.resource-body h3 {
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 0.6rem;
  transition: var(--transition);
}

.resource-card:hover .resource-body h3 {
  color: var(--primary);
}

.resource-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.resource-link i {
  transition: transform 0.25s ease;
}

.resource-card:hover .resource-link {
  color: var(--accent-dark);
}

.resource-card:hover .resource-link i {
  transform: translateX(5px);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 4.5rem 0 5rem;
  background: var(--bg-light);
}

.faq-section .accordion-item {
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important;
  overflow: hidden;
  margin-bottom: 0.9rem;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-section .accordion-item:last-child {
  margin-bottom: 0;
}

.faq-section .accordion-button {
  font-weight: 600;
  color: var(--text-main);
  background: #fff;
  padding: 1.05rem 1.25rem;
  font-size: 0.98rem;
  box-shadow: none;
  transition: var(--transition);
}

.faq-section .accordion-button:not(.collapsed) {
  background: var(--primary);
  color: #fff;
}

.faq-section .accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}

.faq-section .accordion-button:focus {
  box-shadow: none;
  border-color: transparent;
}

.faq-section .accordion-body {
  padding: 1.25rem 1.35rem;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 4.5rem 0 5rem;
  background: var(--bg-white);
}

.cta-card {
  position: relative;
  background: linear-gradient(130deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  border-radius: 28px;
  padding: 4rem 2.5rem;
  color: #fff;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(233, 162, 59, 0.4), transparent 70%);
}

.cta-card::after {
  content: "";
  position: absolute;
  bottom: -90px;
  left: -50px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 179, 163, 0.25), transparent 70%);
}

.cta-star {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(233, 162, 59, 0.2);
  border: 1px solid rgba(233, 162, 59, 0.4);
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 1.2rem;
  position: relative;
  z-index: 1;
}

.cta-card h2 {
  font-size: 1.9rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 600px;
  margin: 0.9rem auto 2rem;
  font-size: 1rem;
  position: relative;
  z-index: 1;
}

.cta-card .d-flex {
  position: relative;
  z-index: 1;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

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

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(233, 162, 59, 0.4);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 10px 24px rgba(233, 162, 59, 0.5);
}

.btn-primary:focus {
  background: var(--accent-dark);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(233, 162, 59, 0.3);
}

.btn-outline-light {
  border: 1.5px solid rgba(255, 255, 255, 0.65);
  color: #fff;
  background: transparent;
}

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

.btn-sm {
  padding: 0.48rem 1.1rem;
  font-size: 0.85rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 4rem 0 0;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1rem;
}

.footer-brand i {
  color: var(--accent);
  margin-right: 0.35rem;
}

.footer-desc {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 340px;
}

.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.1rem;
  position: relative;
  padding-bottom: 0.6rem;
}

.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.footer-contact li {
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.footer-contact li i {
  color: var(--accent);
  margin-top: 0.22rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.4rem 0;
  margin-top: 3rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
  .page-banner-title {
    font-size: 2.1rem;
  }
}

@media (max-width: 991.98px) {
  .header-inner {
    height: 68px;
  }

  .header-logo {
    position: static;
    transform: none;
    font-size: 1.3rem;
  }

  .page-banner {
    padding: 4rem 0;
  }

  .page-banner-title {
    font-size: 1.9rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .article-card {
    padding: 1.8rem;
  }

  .sidebar-card {
    margin-bottom: 1.2rem;
  }

  .resource-img img {
    height: 200px;
  }

  .cta-card {
    padding: 3rem 1.8rem;
  }

  .cta-card h2 {
    font-size: 1.6rem;
  }
}

@media (max-width: 767.98px) {
  .header-inner {
    height: 64px;
  }

  .header-logo {
    font-size: 1.18rem;
  }

  .page-banner {
    padding: 3.2rem 0;
  }

  .page-banner-title {
    font-size: 1.55rem;
  }

  .article-section,
  .resource-section,
  .faq-section,
  .cta-section {
    padding: 3.2rem 0 3.6rem;
  }

  .article-card {
    padding: 1.3rem;
  }

  .article-body {
    font-size: 0.98rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .cta-card {
    padding: 2.8rem 1.5rem;
  }

  .cta-card h2 {
    font-size: 1.4rem;
  }
}

@media (max-width: 575.98px) {
  .header-inner {
    height: 60px;
  }

  .header-logo {
    font-size: 1.05rem;
    gap: 0.4rem;
  }

  .header-logo i {
    font-size: 1rem;
  }

  .header-toggle {
    width: 38px;
    height: 38px;
  }

  .page-banner {
    padding: 2.6rem 0;
  }

  .page-banner-title {
    font-size: 1.3rem;
  }

  .page-banner-meta {
    gap: 0.8rem;
    font-size: 0.85rem;
  }

  .breadcrumb-nav {
    font-size: 0.82rem;
  }

  .article-card {
    padding: 1rem;
  }

  .article-meta {
    gap: 0.4rem;
  }

  .resource-img img {
    height: 180px;
  }

  .cta-card {
    padding: 2.2rem 1.1rem;
  }

  .cta-card p {
    font-size: 0.9rem;
  }

  .article-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-header {
    margin-bottom: 2.2rem;
  }
}