/* roulang page: index */
:root {
  --primary: #0e3a5f;
  --primary-light: #15608a;
  --primary-dark: #082940;
  --accent: #e8923c;
  --accent-light: #f0a95c;
  --accent-dark: #c9742a;
  --bg: #f2f5f9;
  --bg-white: #ffffff;
  --bg-deep: #0a2334;
  --text: #1b2b3a;
  --text-weak: #5f7184;
  --border: #e3e9f1;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 26px;
  --shadow: 0 12px 40px rgba(12, 45, 70, 0.08);
  --shadow-hover: 0 18px 50px rgba(12, 45, 70, 0.16);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

input, textarea, select {
  font-family: inherit;
  font-size: 1rem;
}

main {
  overflow: hidden;
}

.grid-container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 80px 0;
}

.section-tight {
  padding: 60px 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: .96rem;
  border: 2px solid transparent;
  transition: var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0b2233;
  box-shadow: 0 8px 24px rgba(232, 146, 60, .35);
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(232, 146, 60, .45);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .7);
}

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

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

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

.btn-small {
  padding: 8px 18px;
  font-size: .9rem;
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.05rem;
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: .82rem;
  font-weight: 700;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .25);
  line-height: 1.4;
}

.badge-accent {
  background: var(--accent);
  color: #0b2233;
  border: none;
}

.badge-soft {
  background: rgba(14, 58, 95, .1);
  color: var(--primary);
  border: 1px solid rgba(14, 58, 95, .12);
}

/* ===== 头部导航 ===== */
.site-header {
  padding: 20px 0 0;
  position: relative;
  z-index: 50;
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 12px 22px;
  box-shadow: 0 8px 30px rgba(12, 45, 70, .10);
  border: 1px solid rgba(255, 255, 255, .7);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary);
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.brand-text {
  letter-spacing: .02em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 9px 18px;
  border-radius: 50px;
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
  background: transparent;
  border: 1px solid transparent;
  transition: var(--transition);
}

.nav-link:hover {
  background: rgba(14, 58, 95, .06);
  color: var(--primary);
  border-color: rgba(14, 58, 95, .1);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(14, 58, 95, .3);
}

.nav-side {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--primary);
  padding: 4px 8px;
}

/* ===== Hero ===== */
.hero-section {
  padding: 24px 0 60px;
}

.hero-panel {
  position: relative;
  border-radius: 30px;
  overflow: hidden;
  background-image: linear-gradient(110deg, rgba(6, 25, 40, .88) 0%, rgba(10, 45, 70, .68) 45%, rgba(14, 58, 95, .35) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 90px 70px;
  min-height: 520px;
  display: flex;
  align-items: center;
  box-shadow: var(--shadow);
}

.hero-content {
  max-width: 620px;
  position: relative;
  z-index: 2;
  color: #fff;
}

.hero-title {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: .02em;
  margin: 18px 0 12px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 28px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 20px;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-item strong {
  font-size: 1.75rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
}

.stat-item span {
  font-size: .88rem;
  color: rgba(255, 255, 255, .7);
}

/* ===== 板块标题 ===== */
.section-heading {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-heading.left-align {
  margin-left: 0;
  text-align: left;
}

.section-heading .section-tag {
  display: inline-block;
  color: var(--accent-dark);
  background: rgba(232, 146, 60, .12);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.section-heading h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
  line-height: 1.3;
}

.section-heading p {
  color: var(--text-weak);
  font-size: 1.02rem;
}

.section-heading.light h2 {
  color: #fff;
}

.section-heading.light p {
  color: rgba(255, 255, 255, .75);
}

.section-heading.light .section-tag {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}

/* ===== 关于板块 ===== */
.about-section {
  background: var(--bg);
}

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

.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 340px;
}

.about-points {
  list-style: none;
  margin: 22px 0 28px;
  display: grid;
  gap: 14px;
}

.about-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text);
  font-weight: 500;
}

.about-points li i {
  color: var(--primary-light);
  margin-top: 4px;
  font-size: 1.1rem;
}

/* ===== 分类入口 ===== */
.categories-section {
  background: var(--bg-white);
}

.category-card {
  display: block;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  height: 100%;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 58, 95, .15);
}

.category-thumb {
  overflow: hidden;
}

.category-thumb img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform .5s ease;
}

.category-card:hover .category-thumb img {
  transform: scale(1.05);
}

.category-card-body {
  padding: 26px;
}

.category-card-body h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 12px 0 8px;
  color: var(--text);
}

.category-card-body p {
  color: var(--text-weak);
  font-size: .94rem;
  line-height: 1.65;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  font-size: .92rem;
  margin-top: 16px;
}

.card-link i {
  transition: transform .3s ease;
}

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

/* ===== 流程与数据 ===== */
.process-section {
  background: var(--bg-deep);
  position: relative;
}

.stats-row {
  margin-bottom: 20px;
}

.process-stat {
  text-align: center;
  color: #fff;
  padding: 10px 0 40px;
}

.process-stat strong {
  display: block;
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
}

.process-stat span {
  color: rgba(255, 255, 255, .7);
  font-size: .95rem;
}

.step-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  height: 100%;
  transition: var(--transition);
}

.step-card:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-4px);
}

.step-num {
  font-size: .82rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.step-card h3 {
  color: #fff;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 12px 0 8px;
}

.step-card p {
  color: rgba(255, 255, 255, .7);
  font-size: .93rem;
  line-height: 1.65;
}

/* ===== 最新资讯 ===== */
.news-section {
  background: var(--bg-white);
}

.news-list {
  display: grid;
  gap: 20px;
}

.news-item {
  display: flex;
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  padding: 12px;
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  background: #fff;
}

.news-thumb {
  flex: 0 0 180px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 140px;
}

.news-content {
  padding: 10px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.news-content h3 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
  margin: 4px 0 0;
}

.news-content p {
  color: var(--text-weak);
  font-size: .9rem;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-content time {
  color: var(--text-weak);
  font-size: .82rem;
}

.side-panel {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 26px;
  position: sticky;
  top: 100px;
  border: 1px solid var(--border);
}

.side-panel h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

.side-panel h3 i {
  color: var(--accent);
  margin-right: 4px;
}

.side-panel-primary {
  background: var(--primary);
  color: #fff;
  margin-top: 20px;
  position: static;
  border-color: var(--primary);
}

.side-panel-primary h3 {
  color: #fff;
}

.side-panel-primary p {
  color: rgba(255, 255, 255, .8);
  margin-bottom: 16px;
  font-size: .94rem;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud a {
  background: #fff;
  padding: 7px 16px;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-weak);
  transition: var(--transition);
}

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

.empty-news {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  color: var(--text-weak);
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background-image: linear-gradient(135deg, rgba(6, 25, 40, .92) 0%, rgba(14, 58, 95, .8) 100%), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: .02em;
}

.cta-section p {
  color: rgba(255, 255, 255, .8);
  max-width: 560px;
  margin: 0 auto 30px;
  font-size: 1.02rem;
}

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

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg);
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(14, 58, 95, .2);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
}

.faq-question i {
  transition: transform .3s ease;
  color: var(--primary);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  color: var(--text-weak);
  padding: 0 24px;
  font-size: .95rem;
  line-height: 1.75;
}

.faq-answer p {
  padding-bottom: 0;
}

.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 24px 22px;
}

/* ===== 联系板块 ===== */
.contact-section {
  background: var(--bg-white);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, .95) 0%, rgba(242, 245, 249, .92) 100%), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
}

.contact-info {
  display: grid;
  gap: 18px;
  margin-bottom: 30px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.contact-item i {
  font-size: 1.3rem;
  color: var(--primary-light);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(21, 96, 138, .1);
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

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

.contact-form {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 34px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
  font-size: .95rem;
}

.form-control {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  background: #fff;
  transition: var(--transition);
  color: var(--text);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 58, 95, .12);
}

.form-control::placeholder {
  color: #9aabbb;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-tip {
  color: var(--text-weak);
  font-size: .85rem;
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, .7);
  padding-top: 70px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.footer-brand .brand-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--bg-deep);
}

.footer-brand .brand-text {
  color: #fff;
}

.footer-top p {
  color: rgba(255, 255, 255, .6);
  font-size: .94rem;
  max-width: 300px;
  line-height: 1.7;
}

.site-footer h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, .6);
  font-size: .94rem;
  display: inline-block;
}

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

.footer-contact {
  list-style: none;
  display: grid;
  gap: 12px;
  font-size: .92rem;
}

.footer-contact li i {
  color: var(--accent);
  margin-right: 8px;
  width: 18px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--bg-deep);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  margin-top: 50px;
  padding: 20px 0;
  text-align: center;
  font-size: .86rem;
  color: rgba(255, 255, 255, .5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, .6);
}

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

.mt-40 {
  margin-top: 40px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-panel {
    padding: 60px 40px;
    min-height: 460px;
  }
  .hero-title {
    font-size: 2.6rem;
  }
  .news-thumb {
    flex: 0 0 160px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .nav-panel {
    position: relative;
    flex-wrap: wrap;
    padding: 14px 16px;
  }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }
  .main-nav.open {
    display: flex;
  }
  .nav-link {
    text-align: left;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }
  .nav-link.active {
    background: var(--primary);
    color: #fff;
  }
  .hero-panel {
    padding: 50px 24px;
    min-height: auto;
    border-radius: 22px;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .hero-stats {
    gap: 18px;
  }
  .stat-item strong {
    font-size: 1.5rem;
  }
  .section-heading h2 {
    font-size: 1.8rem;
  }
  .process-stat strong {
    font-size: 2rem;
  }
  .cta-section {
    padding: 70px 0;
  }
  .cta-section h2 {
    font-size: 1.8rem;
  }
  .contact-form {
    padding: 26px;
  }
  .footer-top {
    row-gap: 30px;
  }
}

@media (max-width: 640px) {
  .news-item {
    flex-direction: column;
  }
  .news-thumb {
    flex: auto;
  }
  .news-thumb img {
    min-height: 180px;
  }
  .news-content {
    padding: 14px;
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 1.75rem;
  }
  .hero-subtitle {
    font-size: .98rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .stat-item strong {
    font-size: 1.4rem;
  }
  .grid-margin-x > .small-6 {
    padding-right: .5rem;
    padding-left: .5rem;
  }
  .contact-form {
    padding: 24px;
  }
  .btn-large {
    width: 100%;
    padding: 14px 24px;
  }
  .footer-bottom {
    padding: 18px 0;
  }
}

/* roulang page: category1 */
:root{
  --primary:#0e2a47;
  --primary-2:#14406b;
  --accent:#c8a86b;
  --accent-2:#e0c48c;
  --bg:#f5f7fa;
  --bg-deep:#0b1f33;
  --card:#ffffff;
  --text:#1c2b3a;
  --text-weak:#5e6f82;
  --border:#e5eaf1;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(14,42,71,.08);
  --shadow-lg:0 22px 48px rgba(14,42,71,.16);
  --transition:.3s ease;
  --section-space:110px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;transition:color var(--transition);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(200,168,107,.55);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:1220px;}

/* 通用板块 */
.section{padding:var(--section-space) 0;}
.section-alt{background:#fff;}
.section-deep{background:var(--bg-deep);color:#fff;}
.sec-head{max-width:720px;margin-bottom:52px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{color:var(--accent);font-weight:700;letter-spacing:.12em;font-size:.8rem;text-transform:uppercase;display:inline-flex;align-items:center;gap:8px;}
.sec-eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);}
.sec-eyebrow.center{justify-content:center;}
.sec-title{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;margin:10px 0 12px;line-height:1.3;}
.sec-sub{color:var(--text-weak);font-size:1.02rem;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:12px;font-weight:600;font-size:.95rem;transition:all var(--transition);border:none;cursor:pointer;justify-content:center;}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#1c2b3a;box-shadow:0 6px 18px rgba(200,168,107,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(200,168,107,.45);color:#1c2b3a;}
.btn-outline{border:1px solid rgba(255,255,255,.4);color:#fff;background:transparent;}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-outline-dark{border:1px solid rgba(14,42,71,.2);color:var(--primary);background:#fff;}
.btn-outline-dark:hover{border-color:var(--primary);background:var(--primary);color:#fff;transform:translateY(-2px);}
.btn-small{padding:9px 16px;font-size:.88rem;border-radius:10px;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:100;background:rgba(245,247,250,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.6);}
.nav-panel{display:flex;align-items:center;gap:22px;background:#fff;padding:14px 22px;border-radius:20px;box-shadow:var(--shadow);margin:16px auto;width:100%;flex-wrap:wrap;border:1px solid rgba(255,255,255,.8);}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--primary);white-space:nowrap;}
.brand-logo .brand-icon,.footer-brand .brand-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:#1c2b3a;font-size:1rem;box-shadow:0 6px 14px rgba(200,168,107,.35);}
.main-nav{flex:1;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.nav-link{padding:10px 16px;border-radius:12px;font-weight:600;font-size:.93rem;color:var(--text-weak);transition:all var(--transition);}
.nav-link:hover{color:var(--primary);background:#f0f4fa;}
.nav-link.active{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;box-shadow:0 6px 16px rgba(14,42,71,.25);}
.nav-side{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:12px;background:#f0f4fa;border:1px solid var(--border);color:var(--primary);font-size:1.1rem;transition:all var(--transition);}
.nav-toggle:hover{background:var(--primary);color:#fff;}

/* 页头横幅 */
.page-banner{position:relative;padding:120px 0 90px;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;isolation:isolate;}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,31,51,.92) 20%,rgba(11,31,51,.68) 60%,rgba(20,64,107,.42));z-index:-1;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:18px;}
.breadcrumb a:hover{color:var(--accent-2);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--accent-2);}
.banner-eyebrow{display:inline-flex;gap:8px;background:rgba(200,168,107,.18);border:1px solid rgba(200,168,107,.35);color:var(--accent-2);padding:7px 16px;border-radius:30px;font-size:.85rem;margin-bottom:22px;letter-spacing:.06em;}
.banner-title{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.2;margin-bottom:18px;font-weight:800;letter-spacing:.01em;}
.banner-text{font-size:1.1rem;color:rgba(255,255,255,.85);max-width:660px;margin-bottom:30px;line-height:1.8;}
.banner-actions{display:flex;gap:14px;flex-wrap:wrap;}
.banner-meta{display:flex;flex-wrap:wrap;gap:24px;margin-top:34px;color:rgba(255,255,255,.72);font-size:.9rem;}
.banner-meta i{color:var(--accent-2);margin-right:6px;}

/* 亮点卡片 */
.feature-card{background:#fff;border-radius:var(--radius-lg);padding:34px 28px;box-shadow:var(--shadow);height:100%;transition:all var(--transition);border:1px solid transparent;}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(200,168,107,.3);}
.f-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-2));margin-bottom:20px;box-shadow:0 8px 18px rgba(14,42,71,.2);}
.f-title{font-size:1.2rem;font-weight:700;margin-bottom:10px;}
.f-text{color:var(--text-weak);line-height:1.75;font-size:.95rem;}

/* 指南内容卡片 */
.guide-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;transition:all var(--transition);border:1px solid var(--border);}
.guide-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.guide-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:#e8edf3;}
.guide-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.guide-card:hover .guide-cover img{transform:scale(1.06);}
.guide-tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--primary);font-size:.78rem;font-weight:700;padding:5px 12px;border-radius:20px;box-shadow:0 4px 10px rgba(0,0,0,.12);z-index:2;}
.guide-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.guide-title{font-size:1.1rem;font-weight:700;margin-bottom:8px;line-height:1.45;}
.guide-title a:hover{color:var(--accent);}
.guide-text{color:var(--text-weak);font-size:.94rem;line-height:1.7;flex:1;}
.guide-meta{display:flex;justify-content:space-between;align-items:center;margin-top:16px;padding-top:14px;border-top:1px solid var(--border);font-size:.84rem;color:var(--text-weak);}
.guide-meta i{color:var(--accent);margin-right:4px;}
.guide-more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px;transition:gap var(--transition);}
.guide-card:hover .guide-more{gap:10px;color:var(--accent);}

/* 数据条 */
.stats-band{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;padding:70px 0;color:#fff;isolation:isolate;}
.stats-band::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,31,51,.94),rgba(20,64,107,.84));z-index:-1;}
.stat-item{text-align:center;padding:10px;}
.stat-num{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;color:var(--accent-2);line-height:1.2;}
.stat-label{color:rgba(255,255,255,.78);font-size:.95rem;margin-top:6px;letter-spacing:.08em;}

/* 流程步骤 */
.step-item{position:relative;background:#fff;border-radius:var(--radius-lg);padding:34px 26px;box-shadow:var(--shadow);height:100%;border:1px solid var(--border);transition:all var(--transition);}
.step-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.step-num{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#1c2b3a;margin-bottom:18px;box-shadow:0 6px 14px rgba(200,168,107,.35);}
.step-title{font-weight:700;font-size:1.08rem;margin-bottom:8px;}
.step-text{color:var(--text-weak);font-size:.92rem;line-height:1.7;}

/* 热门排行 */
.rank-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--border);}
.rank-item{display:flex;gap:20px;align-items:center;padding:22px 28px;border-bottom:1px solid var(--border);transition:background .25s;}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:#f8fafd;}
.rank-no{font-size:1.55rem;font-weight:800;color:var(--accent);width:48px;font-style:italic;line-height:1;}
.rank-info{flex:1;}
.rank-title{font-weight:700;font-size:1.02rem;transition:color var(--transition);}
.rank-item:hover .rank-title{color:var(--primary);}
.rank-meta{font-size:.85rem;color:var(--text-weak);margin-top:4px;}
.rank-count{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--text-weak);white-space:nowrap;}
.rank-count i{color:var(--accent);}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:14px;overflow:hidden;transition:box-shadow var(--transition);}
.faq-item:hover{box-shadow:var(--shadow-lg);}
.faq-q{cursor:pointer;list-style:none;padding:20px 26px;font-weight:600;font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:16px;user-select:none;}
.faq-q::-webkit-details-marker{display:none;}
.faq-q::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--accent);transition:transform .3s;font-size:.85rem;flex-shrink:0;}
.faq-item[open] .faq-q::after{transform:rotate(180deg);}
.faq-item[open] .faq-q{color:var(--primary);}
.faq-a{padding:0 26px 22px;color:var(--text-weak);line-height:1.85;font-size:.95rem;}

/* CTA */
.cta-panel{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;padding:76px 40px;text-align:center;color:#fff;isolation:isolate;}
.cta-panel::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,31,51,.94),rgba(14,64,107,.78));z-index:-1;}
.cta-title{font-size:clamp(1.7rem,3vw,2.4rem);font-weight:800;margin-bottom:14px;}
.cta-text{color:rgba(255,255,255,.82);margin-bottom:30px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.8;}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.78);padding:70px 0 26px;}
.footer-top{margin-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:#fff;margin-bottom:14px;}
.site-footer p{font-size:.92rem;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78);transition:all var(--transition);}
.footer-social a:hover{background:var(--accent);color:#1c2b3a;border-color:var(--accent);transform:translateY(-3px);}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:18px;font-weight:700;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:.92rem;transition:all var(--transition);}
.footer-links a:hover{color:var(--accent-2);padding-left:4px;}
.footer-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:.92rem;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--accent);margin-top:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;text-align:center;font-size:.88rem;color:rgba(255,255,255,.5);}
.footer-bottom a{color:var(--accent-2);}
.footer-bottom a:hover{text-decoration:underline;}

/* 响应式 */
@media (max-width:1024px){
  :root{--section-space:90px;}
  .nav-panel{gap:16px;}
}
@media (max-width:768px){
  :root{--section-space:70px;}
  .nav-panel{padding:12px 16px;}
  .main-nav{display:none;width:100%;flex-direction:column;background:#fff;border-radius:16px;padding:10px;box-shadow:var(--shadow);margin-top:10px;border:1px solid var(--border);}
  .main-nav.open{display:flex;}
  .nav-toggle{display:flex;}
  .page-banner{padding:90px 0 60px;}
  .banner-title{font-size:clamp(1.9rem,5vw,2.6rem);}
  .banner-text{font-size:1rem;}
  .sec-head{margin-bottom:36px;}
  .cta-panel{padding:52px 22px;}
  .rank-item{padding:18px 20px;}
  .footer-top{margin-bottom:20px;}
}
@media (max-width:520px){
  .nav-side .btn-primary span{display:none;}
  .nav-side .btn-primary{padding:9px 14px;font-size:.85rem;}
  .banner-actions .btn{width:100%;}
  .rank-item{flex-direction:column;align-items:flex-start;gap:8px;}
  .rank-count{width:100%;}
  .faq-q{padding:16px 18px;font-size:.96rem;}
  .faq-a{padding:0 18px 18px;}
  .cta-actions .btn{width:100%;}
  .page-banner{padding:72px 0 48px;}
}

/* roulang page: article */
:root {
  --primary: #132a4d;
  --primary-dark: #0b1a33;
  --primary-light: #1e3f6e;
  --accent: #c8954d;
  --accent-light: #e3ba7d;
  --bg: #f2efe9;
  --bg-light: #fbf9f5;
  --card: #ffffff;
  --text: #1c2530;
  --text-weak: #6a7280;
  --border: #e3dfd5;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(19, 42, 77, 0.08);
  --shadow-lg: 0 18px 50px rgba(19, 42, 77, 0.14);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
  list-style: none;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(200, 149, 77, 0.45);
  outline-offset: 2px;
  border-radius: 8px;
}

.grid-container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.35;
  color: var(--text);
  font-weight: 700;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  box-shadow: 0 8px 20px rgba(200, 149, 77, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(200, 149, 77, 0.45);
  color: var(--primary-dark);
}

.btn-small {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-large {
  padding: 16px 36px;
  font-size: 16px;
}

.btn-full {
  width: 100%;
}

/* ===== 标签徽章 ===== */
.section-tag,
.article-category-badge {
  display: inline-block;
  background: rgba(200, 149, 77, 0.12);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 1px;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.section-head .section-tag {
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.section-head p {
  color: var(--text-weak);
  font-size: 15px;
}

/* ===== 顶部导航 ===== */
.site-header {
  background: rgba(242, 239, 233, 0.88);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0;
}

.nav-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 14px 0;
  padding: 12px 20px;
  background: linear-gradient(135deg, #101c31, #1a2c4e);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(10, 25, 45, 0.28);
}

.brand-logo,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(200, 149, 77, 0.3);
}

.brand-text {
  font-size: 21px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 1px;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
  background: var(--accent);
  color: var(--primary-dark);
}

.nav-side {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-side .btn-primary {
  box-shadow: 0 6px 18px rgba(200, 149, 77, 0.35);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--accent);
  color: var(--primary-dark);
}

/* ===== 文章 Banner ===== */
.article-banner {
  margin-top: 20px;
  border-radius: 24px;
  background-size: cover;
  background-position: center;
  position: relative;
  color: #ffffff;
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-lg);
}

.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 51, 0.42) 0%, rgba(11, 26, 51, 0.88) 100%);
}

.banner-inner {
  position: relative;
  z-index: 2;
  padding: 52px 56px 44px;
  max-width: 900px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 14px;
}

.breadcrumb a {
  transition: var(--transition);
}

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

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}

.article-category-badge {
  background: rgba(255, 255, 255, 0.15);
  color: var(--accent-light);
  margin-bottom: 8px;
}

.banner-inner h1 {
  font-size: 2.4rem;
  line-height: 1.3;
  color: #ffffff;
  margin: 14px 0 16px;
  font-weight: 800;
  letter-spacing: 1px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

/* ===== 文章正文区 ===== */
.article-section {
  padding: 50px 0 30px;
}

.article-card {
  background: var(--card);
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  height: 100%;
}

.article-cover {
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.article-content {
  padding: 38px 42px 30px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

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

.article-content h2 {
  font-size: 1.55rem;
  color: var(--primary);
  margin-top: 32px;
  margin-bottom: 14px;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--primary);
  margin-top: 24px;
  margin-bottom: 10px;
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin-bottom: 18px;
}

.article-content ul {
  list-style: disc;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  margin-bottom: 6px;
}

.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: rgba(200, 149, 77, 0.08);
  padding: 14px 20px;
  margin: 22px 0;
  border-radius: 0 10px 10px 0;
  color: var(--text-weak);
}

.article-content img {
  border-radius: 12px;
  margin: 24px 0;
}

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

.article-tags {
  border-top: 1px solid var(--border);
  margin-top: 28px;
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  color: var(--text-weak);
}

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

/* 文章空态 */
.article-empty {
  padding: 80px 42px;
  text-align: center;
}

.empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: rgba(200, 149, 77, 0.12);
  color: var(--accent);
  font-size: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-empty h2 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 10px;
}

.article-empty p {
  color: var(--text-weak);
  margin-bottom: 24px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 侧边栏 ===== */
.sidebar-inner {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 22px;
}

.sidebar-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.sidebar-card h3 i {
  color: var(--accent);
}

.sidebar-intro p,
.sidebar-class-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

.sidebar-class-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  transition: var(--transition);
}

.sidebar-class-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.sidebar-class-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(200, 149, 77, 0.14);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.sidebar-class-card h4 {
  font-size: 15px;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.sidebar-class-card p {
  font-size: 13px;
}

.sidebar-class-link {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.sidebar-class-link:hover {
  gap: 10px;
  color: var(--primary);
}

.side-list li {
  margin-bottom: 2px;
}

.side-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.side-list a:hover {
  background: rgba(200, 149, 77, 0.1);
  color: var(--primary);
  padding-left: 16px;
}

.side-list a i {
  color: var(--accent);
  font-size: 12px;
}

.sidebar-cta-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border: none;
  color: #fff;
  box-shadow: var(--shadow-lg);
}

.sidebar-cta-card h3 {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.15);
}

.sidebar-cta-card h3 i {
  color: var(--accent-light);
}

.sidebar-cta-card p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}

/* ===== 相关阅读 ===== */
.related-section {
  background: var(--bg-light);
  padding: 56px 0 30px;
}

.related-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  position: relative;
}

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 149, 77, 0.4);
}

.related-thumb {
  position: relative;
  overflow: hidden;
  height: 200px;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

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

.related-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 26, 51, 0.75);
  backdrop-filter: blur(6px);
  color: var(--accent-light);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}

.related-body {
  padding: 20px 20px 24px;
}

.related-body h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 10px;
}

.related-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 14px;
}

.related-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.related-link i {
  transition: transform 0.3s ease;
}

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

/* ===== 生活指南贴士 ===== */
.tips-section {
  padding: 56px 0;
}

.tip-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  height: 100%;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tip-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 48px;
  height: 48px;
  border-radius: 0 0 0 48px;
  background: rgba(200, 149, 77, 0.08);
  transition: var(--transition);
}

.tip-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 149, 77, 0.35);
}

.tip-card:hover::after {
  background: rgba(200, 149, 77, 0.2);
}

.tip-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent-light);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 8px 20px rgba(19, 42, 77, 0.18);
}

.tip-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

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

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-light);
  padding: 56px 0;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 4px 24px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(200, 149, 77, 0.35);
  box-shadow: var(--shadow);
}

.faq-item[open] {
  border-color: rgba(200, 149, 77, 0.45);
}

.faq-question {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
}

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

.faq-question i {
  font-size: 14px;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  padding-bottom: 18px;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 56px 0;
}

.cta-card {
  background:
    linear-gradient(135deg, rgba(11, 26, 51, 0.93), rgba(30, 63, 110, 0.9)),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  border-radius: 24px;
  padding: 60px 48px;
  color: #fff;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.cta-card .section-tag {
  background: rgba(255, 255, 255, 0.15);
  color: var(--accent-light);
}

.cta-card h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 12px;
  font-weight: 800;
}

.cta-card p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 15px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-cta-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  padding: 14px 34px;
  border-radius: 999px;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(200, 149, 77, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(200, 149, 77, 0.5);
}

.btn-cta-ghost {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  padding: 14px 34px;
  border-radius: 999px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-cta-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-light);
  color: var(--accent-light);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.72);
  padding: 60px 0 24px;
  margin-top: 30px;
}

.footer-brand {
  margin-bottom: 14px;
}

.footer-brand .brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  box-shadow: none;
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 21px;
  font-weight: 800;
}

.footer-top p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 16px;
  max-width: 340px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.footer-top h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}

.footer-top h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  transition: var(--transition);
}

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
}

.footer-contact i {
  color: var(--accent);
  margin-top: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 20px;
  margin-top: 36px;
  text-align: center;
  font-size: 13px;
}

.footer-bottom a {
  color: var(--accent-light);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-banner {
    min-height: 280px;
  }

  .banner-inner {
    padding: 32px 28px;
  }

  .banner-inner h1 {
    font-size: 2rem;
  }

  .article-content {
    padding: 30px 28px;
  }

  .article-cover img {
    height: 320px;
  }
}

@media (max-width: 768px) {
  .nav-panel {
    padding: 10px 14px;
    margin: 10px 0;
  }

  .nav-side .btn {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #101c31, #1a2c4e);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    flex-direction: column;
    padding: 12px;
    gap: 6px;
    display: none;
    z-index: 200;
    box-shadow: var(--shadow-lg);
  }

  .main-nav.nav-open {
    display: flex;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: 12px;
  }

  .brand-text {
    font-size: 18px;
  }

  .article-banner {
    border-radius: 18px;
    min-height: 240px;
  }

  .banner-inner {
    padding: 28px 22px;
  }

  .banner-inner h1 {
    font-size: 1.55rem;
  }

  .article-meta {
    gap: 14px;
    font-size: 13px;
  }

  .article-card {
    border-radius: 14px;
  }

  .article-cover img {
    height: 220px;
  }

  .article-content {
    padding: 24px 20px;
  }

  .article-empty {
    padding: 50px 24px;
  }

  .sidebar-inner {
    position: static;
    margin-top: 30px;
  }

  .section-head h2 {
    font-size: 1.6rem;
  }

  .cta-card {
    padding: 40px 20px;
    border-radius: 18px;
  }

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

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-actions .btn-cta-primary,
  .cta-actions .btn-cta-ghost {
    width: 100%;
    justify-content: center;
  }

  .site-footer {
    padding-top: 44px;
  }
}

@media (max-width: 520px) {
  .grid-container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .nav-panel {
    padding: 10px 12px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .brand-text {
    font-size: 16px;
  }

  .banner-inner h1 {
    font-size: 1.35rem;
  }

  .section-head h2 {
    font-size: 1.4rem;
  }

  .footer-top .cell {
    margin-bottom: 20px;
  }
}