/* roulang page: index */
:root {
  --primary: #c81e2b;
  --primary-dark: #a01621;
  --primary-light: #e85d5f;
  --accent: #f0a500;
  --accent-light: #ffc94d;
  --dark: #14161f;
  --dark-2: #1f2430;
  --bg: #f5f4f1;
  --white: #ffffff;
  --text: #1f2430;
  --text-light: #6b7280;
  --border: #eae7e1;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, 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 {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul,
ol {
  list-style: none;
}

button,
input {
  font-family: inherit;
}

::selection {
  background: rgba(200, 30, 43, 0.15);
  color: var(--primary-dark);
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(200, 30, 43, 0.4);
  outline-offset: 2px;
}

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 0;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1.4;
  justify-content: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(200, 30, 43, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(200, 30, 43, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
  color: #fff;
}

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

.btn-white:hover {
  background: #f3f4f6;
  transform: translateY(-2px);
  color: var(--dark);
}

.btn-accent {
  background: var(--accent);
  color: var(--dark);
  box-shadow: 0 6px 18px rgba(240, 165, 0, 0.3);
}

.btn-accent:hover {
  background: #d89404;
  transform: translateY(-2px);
  color: var(--dark);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* 头部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.header-top {
  background: var(--dark);
  color: #fff;
}

.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  flex-wrap: wrap;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  line-height: 1.3;
}

.brand-logo:hover {
  color: var(--accent);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.header-top-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--accent-light);
  background: rgba(255, 255, 255, 0.08);
  padding: 5px 14px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.header-nav {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.header-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  gap: 20px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
}

.nav-list li a {
  display: block;
  padding: 10px 18px;
  font-weight: 600;
  color: var(--text);
  border-radius: 8px;
  font-size: 0.95rem;
}

.nav-list li a:hover {
  color: var(--primary);
  background: rgba(200, 30, 43, 0.06);
}

.nav-list li a.active {
  color: var(--primary);
  background: rgba(200, 30, 43, 0.08);
  font-weight: 700;
}

.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 4px 6px 4px 16px;
  width: 270px;
  transition: var(--transition);
}

.nav-search:focus-within {
  border-color: rgba(200, 30, 43, 0.4);
  box-shadow: 0 0 0 3px rgba(200, 30, 43, 0.1);
}

.nav-search input {
  border: 0;
  background: transparent;
  outline: 0;
  font-size: 0.9rem;
  width: 100%;
  color: var(--text);
}

.nav-search button {
  width: 34px;
  height: 34px;
  border: 0;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-search button:hover {
  background: var(--primary-dark);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text);
  align-items: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--bg);
}

/* Hero */
.hero-section {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  min-height: 540px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(15, 18, 28, 0.94) 0%, rgba(15, 18, 28, 0.78) 42%, rgba(15, 18, 28, 0.35) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: 70px 0 90px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--accent-light);
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}

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

.hero-title {
  font-size: 3rem;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.hero-title span {
  color: var(--accent-light);
}

.hero-text {
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 28px;
  max-width: 570px;
}

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

.hero-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.hero-notice .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ecc71;
  box-shadow: 0 0 0 4px rgba(46, 204, 113, 0.25);
}

/* 数据状态条 */
.stats-section {
  position: relative;
  z-index: 3;
  margin-top: -44px;
  padding-bottom: 30px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(200, 30, 43, 0.03);
}

.stat-item:last-child {
  border-right: 0;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  line-height: 1.2;
}

.stat-label {
  color: var(--text-light);
  font-size: 0.92rem;
  margin-top: 6px;
}

/* 通用板块 */
.section-pad {
  padding: 80px 0;
}

.section-head {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 48px;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(200, 30, 43, 0.1), rgba(240, 165, 0, 0.12));
  color: var(--primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--dark);
}

.section-head p {
  color: var(--text-light);
  font-size: 1.05rem;
}

/* 核心服务 */
.features-section {
  background: var(--white);
}

.features-section .section-tag {
  background: rgba(240, 165, 0, 0.14);
  color: #b07d04;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  background: #fff;
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(200, 30, 43, 0.25);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.92rem;
}

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

.category-card {
  position: relative;
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  height: 320px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

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

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

.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(15, 18, 28, 0.88) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  color: #fff;
}

.category-label {
  align-self: flex-start;
  font-size: 0.78rem;
  background: var(--accent);
  color: var(--dark);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.category-overlay h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.category-overlay p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.95rem;
  max-width: 380px;
}

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

.news-panel {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
  max-width: 920px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  background: #fff;
}

.news-item:last-child {
  border-bottom: 0;
}

.news-item:hover {
  background: rgba(200, 30, 43, 0.03);
  padding-left: 30px;
}

.news-cat {
  flex-shrink: 0;
  background: rgba(200, 30, 43, 0.1);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.news-title {
  flex: 1;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.news-date {
  flex-shrink: 0;
  color: var(--text-light);
  font-size: 0.85rem;
  white-space: nowrap;
}

.empty-tip {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-light);
}

/* 玩法流程 */
.steps-section {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(200, 30, 43, 0.12);
  top: -220px;
  right: -160px;
}

.steps-section .section-head {
  position: relative;
  z-index: 2;
}

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

.steps-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}

.steps-section .section-tag {
  background: rgba(240, 165, 0, 0.16);
  color: var(--accent-light);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}

.step-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  transition: var(--transition);
}

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

.step-num {
  display: inline-flex;
  width: 54px;
  height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 16px;
  color: #fff;
  box-shadow: 0 8px 20px rgba(200, 30, 43, 0.3);
}

.step-item h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #fff;
}

.step-item p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
}

/* 热门玩法 */
.games-section {
  background: var(--bg);
}

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

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

.game-card img {
  height: 160px;
  width: 100%;
  object-fit: cover;
}

.game-card-body {
  padding: 20px;
}

.game-card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.game-card-body p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.game-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-light);
}

.game-card-meta .tag {
  background: rgba(200, 30, 43, 0.1);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
}

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

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

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(200, 30, 43, 0.3);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  color: var(--dark);
}

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

.faq-item summary::before {
  content: "\f059";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--primary);
  font-size: 1.2rem;
}

.faq-item p {
  padding: 0 24px 20px 48px;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* CTA 区块 */
.cta-section {
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(190, 22, 33, 0.93), rgba(15, 18, 28, 0.88));
}

.cta-panel {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 80px 20px;
  max-width: 680px;
  margin: 0 auto;
  color: #fff;
}

.cta-panel h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 26px;
  font-size: 1.05rem;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.65);
  padding: 60px 0 0;
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  display: inline-block;
}

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

.footer-brand p {
  font-size: 0.95rem;
  max-width: 380px;
  line-height: 1.8;
}

.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 16px;
  font-weight: 700;
}

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

.footer-links ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.92rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.45);
}

/* 响应式 */
@media (max-width: 1024px) {
  .grid-container {
    max-width: 100%;
  }

  .nav-search {
    width: 210px;
  }

  .hero-title {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .header-top-inner {
    min-height: 52px;
  }

  .header-nav-inner {
    min-height: 50px;
  }

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

  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border);
    z-index: 99;
    margin: 0;
  }

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

  .nav-list li a {
    padding: 13px 18px;
    font-size: 1rem;
  }

  .nav-search {
    display: none;
  }

  .hero-section {
    min-height: 460px;
  }

  .hero-content {
    padding: 60px 0 80px;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .stat-item:nth-child(2) {
    border-right: 0;
  }

  .stat-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--border);
  }

  .section-pad {
    padding: 55px 0;
  }

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

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

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

  .category-card {
    height: 260px;
    margin-bottom: 20px;
  }
}

@media (max-width: 520px) {
  .header-top-right .header-tag {
    display: none;
  }

  .brand-logo {
    font-size: 1.1rem;
  }

  .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }

  .hero-section {
    min-height: 420px;
  }

  .hero-title {
    font-size: 1.65rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .stats-section {
    margin-top: -30px;
  }

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

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

  .footer-main {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    font-size: 0.8rem;
  }

  .news-item {
    flex-wrap: wrap;
    padding: 14px 16px;
  }

  .news-item:hover {
    padding-left: 16px;
  }

  .news-cat {
    font-size: 0.75rem;
  }

  .news-title {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.5;
  }

  .news-date {
    width: 100%;
    font-size: 0.8rem;
  }

  .section-pad {
    padding: 45px 0;
  }

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

  .cta-panel {
    padding: 55px 16px;
  }

  .cta-panel h2 {
    font-size: 1.5rem;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root {
  --primary: #0f8a5f;
  --primary-dark: #0a6b48;
  --primary-light: #e8f6f0;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --dark: #0f172a;
  --gray: #64748b;
  --light-gray: #f1f5f9;
  --border: #e2e8f0;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--light-gray);
  color: var(--dark);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
button { cursor: pointer; border: none; background: none; }
.grid-container { max-width: 1280px; padding-left: 20px; padding-right: 20px; }

/* Header */
.site-header { background: var(--white); position: sticky; top: 0; z-index: 1000; box-shadow: var(--shadow-sm); }
.header-top { background: var(--dark); color: var(--white); padding: 8px 0; }
.header-top-inner { display: flex; align-items: center; justify-content: space-between; min-height: 44px; }
.brand-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--white); }
.logo-mark { display: inline-flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #10b981); color: var(--white); font-size: 13px; font-weight: 900; width: 36px; height: 36px; border-radius: 10px; box-shadow: 0 4px 12px rgba(15, 138, 95, 0.4); }
.header-tag { font-size: 13px; color: #a5b4fc; display: inline-flex; align-items: center; gap: 6px; }
.header-top-right { display: flex; align-items: center; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 6px; border-radius: 10px; font-weight: 600; font-size: 14px; padding: 10px 22px; transition: var(--transition); border: 1px solid transparent; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(15, 138, 95, 0.3); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--dark); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.btn-sm { padding: 6px 14px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 32px; font-size: 16px; border-radius: 14px; }
.btn-accent { background: linear-gradient(135deg, var(--accent), #fbbf24); color: var(--dark); }
.btn-accent:hover { box-shadow: 0 8px 24px rgba(245, 158, 11, 0.35); transform: translateY(-2px); }
.header-nav { background: var(--white); border-bottom: 1px solid var(--border); }
.header-nav-inner { display: flex; align-items: center; justify-content: space-between; min-height: 56px; gap: 20px; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a { display: inline-block; padding: 10px 18px; font-size: 15px; font-weight: 600; color: var(--gray); border-radius: 8px; }
.nav-list a:hover { color: var(--primary); background: var(--primary-light); }
.nav-list a.active { color: var(--primary); background: var(--primary-light); }
.nav-search { display: flex; align-items: center; background: var(--light-gray); border-radius: 10px; padding: 4px; border: 1px solid transparent; transition: var(--transition); }
.nav-search:focus-within { border-color: var(--primary); background: var(--white); box-shadow: 0 0 0 3px rgba(15, 138, 95, 0.15); }
.nav-search input { border: none; background: transparent; padding: 6px 10px; font-size: 14px; width: 220px; outline: none; color: var(--dark); }
.nav-search button { width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; background: var(--primary); color: var(--white); transition: var(--transition); }
.nav-search button:hover { background: var(--primary-dark); }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; background: var(--light-gray); color: var(--dark); font-size: 18px; align-items: center; justify-content: center; }

/* Page Banner */
.page-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f8a5f 140%), url('/assets/images/backpic/back-1.png') center/cover; padding: 70px 0 50px; color: var(--white); position: relative; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.55) 100%); }
.page-banner .grid-container { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #94a3b8; margin-bottom: 18px; flex-wrap: wrap; }
.breadcrumb a:hover { color: #4ade80; }
.breadcrumb .sep { color: #475569; }
.banner-title { font-size: clamp(26px, 4vw, 42px); font-weight: 800; max-width: 800px; line-height: 1.25; margin-bottom: 14px; }
.banner-meta { display: flex; align-items: center; gap: 16px; font-size: 14px; color: #94a3b8; flex-wrap: wrap; }
.banner-meta .badge { background: rgba(255,255,255,0.15); backdrop-filter: blur(8px); padding: 4px 14px; border-radius: 20px; font-weight: 600; color: #4ade80; }

/* Article Main */
.article-section { padding: 48px 0 30px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }
.article-main { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.article-body { padding: 32px 36px 40px; }
.article-body h2 { font-size: 24px; color: var(--dark); border-left: 4px solid var(--primary); padding-left: 14px; margin: 34px 0 14px; }
.article-body h3 { font-size: 20px; margin: 26px 0 12px; color: #1e293b; }
.article-body p { font-size: 16px; color: #334155; margin-bottom: 18px; line-height: 1.9; }
.article-body img { border-radius: 12px; margin: 18px 0; box-shadow: var(--shadow-sm); }
.article-body blockquote { border-left: 4px solid var(--primary); background: var(--primary-light); padding: 14px 20px; border-radius: 0 12px 12px 0; margin: 20px 0; font-style: normal; color: #166534; }
.article-body ul, .article-body ol { margin: 0 0 20px 20px; padding-left: 16px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; line-height: 1.8; color: #334155; }
.article-body table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.article-body th { background: var(--primary-light); color: var(--primary-dark); font-weight: 700; }
.article-body td, .article-body th { border: 1px solid var(--border); padding: 12px 14px; text-align: left; font-size: 14px; }
.article-body a { color: var(--primary); text-decoration: underline; }
.article-body a:hover { color: var(--primary-dark); }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.tag { display: inline-block; background: var(--light-gray); padding: 4px 14px; border-radius: 20px; font-size: 13px; color: var(--gray); font-weight: 500; }
.tag:hover { background: var(--primary-light); color: var(--primary); }
.article-share { display: flex; align-items: center; gap: 12px; background: var(--light-gray); padding: 20px 24px; border-radius: 0 0 var(--radius) var(--radius); }
.share-label { font-size: 14px; font-weight: 600; color: var(--gray); }
.share-btn { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--white); color: var(--gray); transition: var(--transition); border: 1px solid var(--border); }
.share-btn:hover { background: var(--primary); color: var(--white); border-color: var(--primary); transform: translateY(-2px); }

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; }
.sidebar-card-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.sidebar-card-header i { color: var(--primary); font-size: 16px; }
.sidebar-card-header h3 { font-size: 16px; font-weight: 700; margin: 0; }
.sidebar-card-body { padding: 8px 0; }
.sidebar-list li { border-bottom: 1px solid #f8fafc; }
.sidebar-list a { display: flex; gap: 12px; padding: 12px 22px; transition: var(--transition); }
.sidebar-list a:hover { background: var(--primary-light); padding-left: 26px; }
.sidebar-list .si-icon { color: var(--primary); font-size: 14px; margin-top: 2px; }
.sidebar-list .si-title { font-size: 14px; font-weight: 500; color: #334155; line-height: 1.5; }
.sidebar-list .si-title:hover { color: var(--primary); }
.sidebar-cats { padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.cat-item { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 12px; border: 1px solid var(--border); transition: var(--transition); }
.cat-item:hover { border-color: var(--primary); background: var(--primary-light); transform: translateX(4px); }
.cat-icon { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.cat-icon.green { background: var(--primary-light); color: var(--primary); }
.cat-icon.gold { background: #fef3c7; color: var(--accent); }
.cat-info .cat-name { font-size: 14px; font-weight: 700; color: var(--dark); display: block; }
.cat-info .cat-desc { font-size: 12px; color: var(--gray); }
.sidebar-cta { background: linear-gradient(135deg, var(--primary) 0%, #10b981 100%); padding: 26px 22px; text-align: center; color: var(--white); }
.sidebar-cta h3 { font-size: 18px; margin-bottom: 6px; }
.sidebar-cta p { font-size: 13px; opacity: 0.9; margin-bottom: 16px; }
.sidebar-cta .btn { background: var(--white); color: var(--primary); font-weight: 700; }
.sidebar-cta .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }

/* CTA Section */
.cta-section { padding: 44px 0 50px; }
.cta-box { background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0f8a5f 120%); border-radius: 24px; padding: 44px 40px; color: var(--white); text-align: center; position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: -40px; right: -40px; width: 160px; height: 160px; border-radius: 50%; background: rgba(255,255,255,0.05); }
.cta-box h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.cta-box p { font-size: 15px; opacity: 0.85; max-width: 640px; margin: 0 auto 24px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Not Found */
.not-found-block { text-align: center; padding: 80px 40px; }
.not-found-block .nf-icon { font-size: 56px; color: var(--primary); margin-bottom: 16px; }
.not-found-block h2 { font-size: 26px; margin-bottom: 10px; }
.not-found-block p { color: var(--gray); margin-bottom: 24px; }

/* FAQ */
.faq-section { padding: 40px 0; }
.faq-grid { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: 14px; padding: 22px 24px; margin-bottom: 14px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-q { font-weight: 700; font-size: 16px; color: var(--dark); display: flex; align-items: center; gap: 10px; }
.faq-q i { color: var(--primary); }
.faq-a { color: var(--gray); font-size: 14px; margin-top: 10px; line-height: 1.8; }

/* Footer */
.site-footer { background: #0f172a; color: #94a3b8; padding: 60px 0 0; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-logo { font-size: 20px; font-weight: 800; color: var(--white); display: inline-block; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 400px; }
.footer-links h4 { color: var(--white); font-size: 16px; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: #94a3b8; }
.footer-links a:hover { color: #4ade80; padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 18px 0; text-align: center; font-size: 13px; color: #64748b; }
.footer-bottom span { margin: 0 6px; }

/* Auto List (在文章页用于静态推荐) */
.auto-list { display: flex; flex-direction: column; gap: 0; }
.auto-item { display: flex; align-items: center; gap: 14px; padding: 14px 20px; border-bottom: 1px solid #f8fafc; transition: var(--transition); }
.auto-item:hover { background: var(--primary-light); }
.auto-thumb { width: 72px; height: 52px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.auto-thumb img { width: 100%; height: 100%; object-fit: cover; }
.auto-info .auto-title { font-size: 14px; font-weight: 600; color: var(--dark); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.auto-info .auto-title:hover { color: var(--primary); }
.auto-info .auto-date { font-size: 12px; color: #94a3b8; margin-top: 4px; }

/* Responsive */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .nav-search input { width: 160px; }
}
@media (max-width: 768px) {
  .header-top-inner { flex-wrap: wrap; padding: 6px 0; }
  .header-tag { display: none; }
  .nav-toggle { display: flex; }
  .header-nav-inner { flex-wrap: wrap; padding: 8px 0; gap: 8px; }
  .nav-list { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 0; background: var(--white); border-radius: 12px; padding: 8px; }
  .nav-list.open { display: flex; }
  .nav-list a { width: 100%; padding: 12px 16px; }
  .nav-search { flex: 1; }
  .nav-search input { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .article-body { padding: 24px 20px; }
  .article-share { flex-wrap: wrap; padding: 16px; }
  .cta-box { padding: 32px 22px; }
  .banner-title { font-size: 26px; }
  .page-banner { padding: 50px 0 36px; }
  .article-sidebar { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .grid-container { padding-left: 14px; padding-right: 14px; }
  .brand-logo { font-size: 17px; }
  .logo-mark { width: 30px; height: 30px; font-size: 12px; }
  .header-top-right .btn-sm { padding: 4px 10px; font-size: 12px; }
  .banner-title { font-size: 22px; }
  .article-body { padding: 20px 16px; }
  .article-body p { font-size: 15px; }
  .cta-buttons .btn { width: 100%; justify-content: center; }
}

.fade-up { animation: fadeUp 0.6s ease-out both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* roulang page: category1 */
:root {
  --primary: #ff7a18;
  --primary-600: #e8620a;
  --primary-100: #fff1e8;
  --secondary: #1f2a44;
  --secondary-700: #16203a;
  --accent: #f7d154;
  --bg: #f5f7fb;
  --bg-deep: #0f1524;
  --card-bg: #ffffff;
  --text: #1c2333;
  --muted: #697386;
  --border: #e7ebf2;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 8px 30px rgba(28,35,51,0.08);
  --shadow-hover: 0 16px 40px rgba(28,35,51,0.14);
  --transition: 0.25s ease;
  --container: 1280px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.3; color: var(--secondary); }
p { margin: 0; }
input, button { font-family: inherit; }
button { cursor: pointer; border: none; background: none; }

.grid-container { max-width: var(--container) !important; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 12px;
  padding: 12px 24px;
  font-size: 15px;
  line-height: 1.5;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-sm { padding: 6px 16px; font-size: 13px; border-radius: 10px; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: 0 6px 16px rgba(255,122,24,0.3); }
.btn-primary:hover { background: var(--primary-600); border-color: var(--primary-600); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,122,24,0.35); }
.btn-secondary { background: var(--secondary); color: #fff; border-color: var(--secondary); }
.btn-secondary:hover { background: var(--secondary-700); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { background: #fff; color: var(--secondary); border-color: #dce1ea; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-light { background: #fff; color: var(--secondary); }
.btn-light:hover { background: #f5f5f5; color: var(--primary); transform: translateY(-2px); }
.btn-ghost-light { background: rgba(255,255,255,0.1); color: #fff; border-color: rgba(255,255,255,0.6); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.2); border-color: #fff; transform: translateY(-2px); }

.btn:focus-visible,
.nav-list a:focus-visible,
.nav-search input:focus-visible,
.tag-item:focus-visible,
.rank-list a:focus-visible,
.article-body h3 a:focus-visible {
  outline: 3px solid rgba(255,122,24,0.35);
  outline-offset: 2px;
}

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(0,0,0,0.04);
}
.header-top { background: var(--secondary); color: #fff; }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.brand-logo {
  display: flex;
  align-items: center;
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  gap: 10px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 4px 12px rgba(255,122,24,0.4);
}
.header-top-right { display: flex; align-items: center; gap: 14px; }
.header-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.12);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  color: #ffd9a8;
}
.header-nav { background: #fff; border-bottom: 1px solid var(--border); }
.header-nav-inner { display: flex; align-items: center; min-height: 60px; gap: 24px; }
.nav-toggle { display: none; }
.nav-list { display: flex; align-items: center; gap: 8px; flex: 1; }
.nav-list a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  transition: all var(--transition);
  position: relative;
}
.nav-list a:hover { color: var(--primary); background: var(--primary-100); }
.nav-list a.active { color: var(--primary); background: var(--primary-100); }
.nav-list a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: -2px;
  height: 3px;
  border-radius: 3px;
  background: var(--primary);
}
.nav-search {
  display: flex;
  align-items: center;
  background: #f1f4f9;
  border-radius: 12px;
  padding: 4px 4px 4px 14px;
  border: 1px solid transparent;
  transition: all var(--transition);
  width: 240px;
}
.nav-search:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255,122,24,0.12);
}
.nav-search input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
}
.nav-search button { color: var(--muted); padding: 8px 12px; border-radius: 10px; transition: all var(--transition); }
.nav-search button:hover { color: var(--primary); }

/* ===== 页面横幅 ===== */
.page-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 90px 0;
  color: #fff;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,21,36,0.92) 0%, rgba(31,42,68,0.78) 50%, rgba(255,122,24,0.25) 100%);
}
.page-banner .grid-container { position: relative; z-index: 2; }
.banner-content { max-width: 760px; }
.badge-banner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(255,122,24,0.35);
  margin-bottom: 18px;
}
.banner-content h1 { color: #fff; font-size: 42px; font-weight: 900; margin-bottom: 16px; letter-spacing: 1px; }
.banner-content p { color: rgba(255,255,255,0.85); font-size: 17px; max-width: 640px; margin-bottom: 28px; }
.banner-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.banner-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.banner-stats div { display: flex; flex-direction: column; }
.banner-stats strong { font-size: 28px; font-weight: 900; color: #fff; }
.banner-stats span { font-size: 13px; color: rgba(255,255,255,0.7); }

/* ===== 实时动态条 ===== */
.live-strip {
  background: linear-gradient(90deg, #fff5ec 0%, #fff 100%);
  border-bottom: 1px solid #f6dcc8;
  padding: 10px 0;
}
.live-inner { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.live-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #ff3b3b;
  box-shadow: 0 0 0 0 rgba(255,59,59,0.6);
  animation: livePulse 1.6s infinite;
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(255,59,59,0.5); }
  70% { box-shadow: 0 0 0 10px rgba(255,59,59,0); }
  100% { box-shadow: 0 0 0 0 rgba(255,59,59,0); }
}
.live-label { color: #e8620a; font-weight: 800; font-size: 13px; letter-spacing: 1px; }
.live-inner p { flex: 1; color: var(--muted); font-size: 14px; }
.live-inner a { color: var(--primary); font-weight: 700; font-size: 14px; }

/* ===== 通用板块 ===== */
.section { padding: 80px 0; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 40px; }
.section-head.left { display: block; }
.section-eyebrow { letter-spacing: 2px; font-size: 12px; font-weight: 800; color: var(--primary); text-transform: uppercase; margin-bottom: 8px; }
.section-head h2 { font-size: 30px; font-weight: 800; color: var(--secondary); }
.section-desc { max-width: 380px; color: var(--muted); font-size: 15px; }

/* ===== 简介区 ===== */
.intro-section { background: linear-gradient(180deg, #fff 0%, #f7f9fc 100%); border-bottom: 1px solid var(--border); }
.check-list { margin-top: 20px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; color: var(--text); font-size: 15px; }
.check-list i { color: var(--primary); margin-top: 4px; }
.intro-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background-image: linear-gradient(135deg, rgba(255,122,24,0.02) 0%, rgba(31,42,68,0.02) 100%);
}
.intro-card-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.intro-icon {
  width: 48px; height: 48px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
  box-shadow: 0 8px 20px rgba(255,122,24,0.3);
}
.intro-card-head strong { display: block; font-size: 17px; color: var(--secondary); }
.intro-card-head span { font-size: 13px; color: var(--muted); }
.intro-stats { display: flex; gap: 16px; margin-bottom: 24px; }
.stat-item {
  flex: 1;
  background: #f8fafc;
  border-radius: 14px;
  padding: 16px 12px;
  text-align: center;
  border: 1px solid var(--border);
}
.stat-item strong { display: block; font-size: 24px; font-weight: 900; color: var(--primary); }
.stat-item span { font-size: 12px; color: var(--muted); }
.intro-progress .progress-label { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.progress-track { height: 8px; background: #eef1f6; border-radius: 10px; overflow: hidden; }
.progress-track span { display: block; height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 10px; }

/* ===== 分类卡片 ===== */
.cards-section { background: var(--bg); }
.cat-card {
  display: block;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(255,122,24,0.2); }
.cat-card-img { position: relative; height: 180px; overflow: hidden; }
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.cat-card:hover .cat-card-img img { transform: scale(1.06); }
.cat-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.02) 40%, rgba(15,21,36,0.35) 100%);
}
.cat-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  color: var(--secondary);
}
.cat-tag.hot { background: linear-gradient(135deg, #ff416c, #ff4b2b); color: #fff; }
.cat-tag.new { background: linear-gradient(135deg, #36d1dc, #5b86e5); color: #fff; }
.cat-card-body { padding: 20px; }
.cat-card-body h3 { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.cat-card-body p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.cat-more { font-size: 13px; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }

/* ===== 精选列表 ===== */
.list-section { background: #fff; border-top: 1px solid var(--border); }
.article-list { display: flex; flex-direction: column; }
.article-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.article-item:hover { padding-left: 12px; }
.article-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--border);
  line-height: 1;
  font-style: italic;
  min-width: 56px;
}
.article-body { flex: 1; }
.article-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.tag {
  background: var(--primary-100);
  color: var(--primary-600);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}
.article-meta span:not(.tag) { font-size: 13px; color: var(--muted); }
.article-body h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.article-body h3 a { color: var(--secondary); transition: color var(--transition); }
.article-body h3 a:hover { color: var(--primary); }
.article-body p { color: var(--muted); font-size: 15px; margin-bottom: 10px; }
.article-footer { display: flex; justify-content: space-between; align-items: center; }
.article-footer span { font-size: 13px; color: var(--muted); }
.read-more { font-size: 14px; font-weight: 700; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: gap var(--transition); }
.read-more:hover { gap: 10px; }
.btn-center { text-align: center; margin-top: 32px; }

/* ===== 侧栏 ===== */
.side-panel {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.side-panel-head { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.hot-icon {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, #ff416c, #ff4b2b);
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px;
}
.side-panel-head h4 { font-size: 16px; font-weight: 800; }
.rank-list { display: flex; flex-direction: column; gap: 14px; }
.rank-list a { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text); transition: color var(--transition); }
.rank-list a:hover { color: var(--primary); }
.rank-no {
  width: 26px; height: 26px; border-radius: 50%;
  background: #eef1f6; color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
  flex-shrink: 0;
}
.rank-list li:first-child .rank-no { background: linear-gradient(135deg, #f7d154, #ff9f43); color: #fff; }
.rank-list li:nth-child(2) .rank-no { background: linear-gradient(135deg, #d7e1ec, #aab8c8); color: #fff; }
.rank-list li:nth-child(3) .rank-no { background: linear-gradient(135deg, #d6a37e, #bb7630); color: #fff; }
.side-cta {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--secondary);
  padding: 24px;
  color: #fff;
}
.side-cta img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
}
.side-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,21,36,0.7) 0%, rgba(31,42,68,0.9) 100%);
}
.side-cta h4, .side-cta p, .side-cta .btn { position: relative; z-index: 2; }
.side-cta h4 { color: #fff; font-size: 20px; margin-bottom: 8px; }
.side-cta p { font-size: 14px; color: rgba(255,255,255,0.85); margin-bottom: 16px; }

/* ===== 学习路径 ===== */
.path-section { background: var(--bg-deep); color: #fff; }
.path-section .section-head h2 { color: #fff; }
.path-section .section-desc { color: rgba(255,255,255,0.65); }
.path-section .section-eyebrow { color: var(--accent); }
.path-step {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 32px 24px;
  position: relative;
  height: 100%;
  transition: all var(--transition);
}
.path-step:hover { background: rgba(255,255,255,0.08); transform: translateY(-6px); }
.step-num {
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 48px;
  font-weight: 900;
  color: rgba(255,255,255,0.08);
  line-height: 1;
}
.step-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px; margin-bottom: 18px;
  box-shadow: 0 8px 20px rgba(255,122,24,0.3);
}
.path-step h3 { color: #fff; font-size: 18px; margin-bottom: 8px; font-weight: 800; }
.path-step p { color: rgba(255,255,255,0.65); font-size: 14px; margin-bottom: 14px; }
.path-step a { color: var(--accent); font-size: 14px; font-weight: 700; }

/* ===== 标签趋势 ===== */
.tags-section { background: #fff; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f1f4f9;
  padding: 8px 18px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  border: 1px solid transparent;
  transition: all var(--transition);
}
.tag-item:hover {
  background: var(--primary-100);
  color: var(--primary);
  border-color: rgba(255,122,24,0.2);
  transform: translateY(-2px);
}
.trend-card {
  background: linear-gradient(135deg, var(--secondary) 0%, #2a3c63 100%);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  box-shadow: var(--shadow);
}
.trend-head { display: flex; align-items: center; gap: 10px; color: var(--accent); font-weight: 700; margin-bottom: 24px; font-size: 15px; }
.trend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.trend-item {
  background: rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.08);
}
.trend-item strong { display: block; font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 4px; }
.trend-item span { font-size: 18px; font-weight: 800; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.grid-container.narrow { max-width: 920px !important; }
.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item[open] { box-shadow: var(--shadow); border-color: rgba(255,122,24,0.25); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--secondary);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { color: var(--muted); transition: transform var(--transition); }
.faq-item[open] summary i { transform: rotate(180deg); color: var(--primary); }
.faq-content { padding: 0 24px 20px; color: var(--muted); font-size: 15px; }

/* ===== CTA ===== */
.cta-section { background: var(--bg); padding-top: 0; }
.cta-box {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 70px 60px;
  text-align: center;
  color: #fff;
}
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15,21,36,0.9), rgba(31,42,68,0.75));
}
.cta-content { position: relative; z-index: 2; max-width: 600px; margin: 0 auto; }
.cta-content h2 { color: #fff; font-size: 30px; font-weight: 900; margin-bottom: 12px; }
.cta-content p { color: rgba(255,255,255,0.8); margin-bottom: 24px; font-size: 16px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-logo {
  display: inline-block;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.55); max-width: 360px; }
.footer-links h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.55); transition: all var(--transition); }
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.45);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .nav-search { width: 200px; }
  .banner-content h1 { font-size: 34px; }
  .section { padding: 60px 0; }
  .footer-main { grid-template-columns: 1fr 1fr; }
}

@media screen and (max-width: 768px) {
  .header-top-right .header-tag { display: none; }
  .header-nav-inner { flex-wrap: wrap; }
  .nav-toggle {
    display: inline-flex;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    color: var(--secondary);
    font-size: 18px;
    line-height: 1;
    transition: all var(--transition);
  }
  .nav-toggle:hover { background: var(--primary-100); color: var(--primary); border-color: rgba(255,122,24,0.2); }
  .nav-list {
    display: none;
    flex-direction: column;
    width: 100%;
    background: #fff;
    padding: 12px 0;
    border-top: 1px solid var(--border);
  }
  .nav-list.open { display: flex; }
  .nav-list a { text-align: left; width: 100%; }
  .nav-list a.active::after { display: none; }
  .nav-search { width: 100%; order: 3; margin-top: 4px; }
  .page-banner { padding: 60px 0; }
  .banner-content h1 { font-size: 28px; }
  .banner-stats { gap: 20px; flex-wrap: wrap; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .article-item { gap: 16px; }
  .article-num { font-size: 28px; min-width: 40px; }
  .path-step { margin-bottom: 16px; }
  .cta-box { padding: 40px 24px; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
}

@media screen and (max-width: 520px) {
  .banner-content h1 { font-size: 24px; }
  .banner-actions .btn { width: 100%; }
  .stat-item { padding: 12px 8px; }
  .trend-grid { grid-template-columns: 1fr; }
  .article-item { flex-direction: column; }
  .article-num { font-size: 24px; min-width: auto; }
  .article-footer { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* roulang page: category2 */
:root{
  --primary:#142438;
  --primary-dark:#0c1a2b;
  --primary-light:#243b58;
  --accent:#f0b90b;
  --accent-light:#ffd44d;
  --accent-dark:#d19100;
  --text-main:#1a2030;
  --text-weak:#66788a;
  --bg-main:#f4f6f9;
  --bg-dark:#0d1f33;
  --bg-card:#ffffff;
  --border:#e3e9f0;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.05);
  --shadow-md:0 10px 30px rgba(0,0,0,.08);
  --shadow-lg:0 20px 50px rgba(0,0,0,.12);
  --space-section:90px;
  --transition:all .28s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg-main);
  color:var(--text-main);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
a:hover,a:focus{outline:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:linear-gradient(135deg,#0c1a2b 0%,#142438 100%);
  box-shadow:0 4px 24px rgba(0,0,0,.25);
}
.header-top{
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-top-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:22px;
  font-weight:700;
  letter-spacing:1px;
  white-space:nowrap;
}
.brand-logo .logo-mark{
  background:var(--accent);
  color:#0c1a2b;
  font-size:15px;
  font-weight:800;
  padding:4px 10px;
  border-radius:8px;
  letter-spacing:1px;
}
.brand-logo:hover{color:var(--accent-light)}
.header-top-right{
  display:flex;
  align-items:center;
  gap:16px;
}
.header-tag{
  color:rgba(255,255,255,.75);
  font-size:13px;
  display:flex;
  align-items:center;
  gap:6px;
}
.header-tag i{color:var(--accent)}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  padding:10px 22px;
  border-radius:30px;
  font-size:14px;
  font-weight:600;
  border:none;
  cursor:pointer;
  transition:var(--transition);
}
.btn-primary{
  background:var(--accent);
  color:#0c1a2b;
}
.btn-primary:hover{
  background:var(--accent-light);
  box-shadow:0 4px 15px rgba(240,185,11,.35);
  transform:translateY(-2px);
}
.btn-sm{
  padding:7px 18px;
  font-size:13px;
}
.header-nav{
  background:rgba(0,0,0,.15);
}
.header-nav-inner{
  display:flex;
  align-items:center;
  height:56px;
}
.nav-toggle{
  display:none;
  background:none;
  border:none;
  color:#fff;
  font-size:22px;
  cursor:pointer;
  padding:4px 10px;
  margin-right:8px;
}
.nav-list{
  list-style:none;
  display:flex;
  align-items:center;
  gap:4px;
  margin:0;
  padding:0;
  flex:1;
}
.nav-list li{
  margin:0;
}
.nav-list a{
  color:rgba(255,255,255,.8);
  display:block;
  padding:10px 18px;
  border-radius:24px;
  font-size:15px;
  font-weight:500;
  transition:var(--transition);
  position:relative;
}
.nav-list a:hover{
  color:#fff;
  background:rgba(255,255,255,.08);
}
.nav-list a.active{
  color:#0c1a2b;
  background:var(--accent);
  font-weight:600;
}
.nav-search{
  display:flex;
  align-items:center;
  background:rgba(255,255,255,.1);
  border-radius:24px;
  padding:4px 6px 4px 16px;
  width:260px;
  transition:var(--transition);
}
.nav-search:focus-within{
  background:rgba(255,255,255,.16);
  box-shadow:0 0 0 2px rgba(240,185,11,.4);
}
.nav-search input{
  background:none;
  border:none;
  outline:none;
  color:#fff;
  font-size:14px;
  flex:1;
  min-width:0;
}
.nav-search input::placeholder{
  color:rgba(255,255,255,.55);
}
.nav-search button{
  background:var(--accent);
  border:none;
  width:32px;
  height:32px;
  border-radius:50%;
  color:#0c1a2b;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.nav-search button:hover{
  background:var(--accent-light);
  transform:scale(1.05);
}

/* ============ Hero首屏 ============ */
.cat-hero{
  position:relative;
  background-size:cover;
  background-position:center;
  padding:110px 0;
  color:#fff;
  overflow:hidden;
}
.cat-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(12,26,43,.95) 0%,rgba(12,26,43,.78) 50%,rgba(12,26,43,.45) 100%);
}
.cat-hero::after{
  content:'';
  position:absolute;
  right:-80px;
  bottom:-80px;
  width:380px;
  height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,185,11,.25) 0%,transparent 65%);
}
.cat-hero-inner{
  position:relative;
  z-index:2;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(240,185,11,.15);
  border:1px solid rgba(240,185,11,.45);
  color:var(--accent-light);
  padding:8px 18px;
  border-radius:30px;
  font-size:14px;
  font-weight:600;
  margin-bottom:24px;
}
.hero-badge i{
  font-size:14px;
}
.cat-hero h1{
  font-size:46px;
  font-weight:800;
  line-height:1.2;
  margin:0 0 20px;
  letter-spacing:2px;
  background:linear-gradient(135deg,#fff 70%,rgba(255,255,255,.75));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.cat-hero p{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin:0 0 32px;
}
.hero-actions{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.btn-hero-primary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent);
  color:#0c1a2b;
  font-weight:700;
  padding:14px 30px;
  border-radius:30px;
  transition:var(--transition);
  box-shadow:0 4px 20px rgba(240,185,11,.35);
}
.btn-hero-primary:hover{
  background:var(--accent-light);
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(240,185,11,.45);
}
.btn-hero-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  font-weight:600;
  padding:14px 30px;
  border-radius:30px;
  transition:var(--transition);
}
.btn-hero-ghost:hover{
  background:rgba(255,255,255,.18);
  border-color:rgba(255,255,255,.6);
  transform:translateY(-2px);
}
.hero-card{
  background:rgba(255,255,255,.1);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-radius:20px;
  border:1px solid rgba(255,255,255,.18);
  padding:28px;
  box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.hero-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
  font-size:15px;
  font-weight:700;
  color:#fff;
}
.hero-card-head .live-dot{
  color:var(--accent-light);
  font-size:13px;
  font-weight:500;
  display:flex;
  align-items:center;
  gap:5px;
}
.live-dot i{
  font-size:8px;
  animation:pulse 1.5s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1}
  50%{opacity:.4}
}
.hero-card ul{
  list-style:none;
  margin:0;
  padding:0;
}
.hero-card ul li{
  padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
  color:rgba(255,255,255,.88);
  font-size:14px;
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-card ul li:last-child{
  border-bottom:none;
  padding-bottom:0;
}
.hero-card ul li i{
  color:var(--accent);
  font-size:12px;
}
.hero-card ul li:hover{
  color:#fff;
  padding-left:4px;
}

/* ============ 板块通用 ============ */
.section{
  padding:var(--space-section) 0;
}
.section-alt{
  background:#fff;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:36px;
  gap:20px;
  flex-wrap:wrap;
}
.section-tag{
  display:inline-block;
  background:rgba(240,185,11,.12);
  color:var(--accent-dark);
  font-size:13px;
  font-weight:700;
  padding:6px 14px;
  border-radius:20px;
  letter-spacing:1px;
  margin-bottom:10px;
}
.section-head h2{
  font-size:32px;
  font-weight:800;
  margin:0 0 6px;
  line-height:1.3;
  color:var(--primary);
}
.section-head p{
  color:var(--text-weak);
  font-size:15px;
  margin:0;
}
.section-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  padding:10px 20px;
  border-radius:24px;
  background:var(--bg-main);
  border:1px solid var(--border);
  transition:var(--transition);
}
.section-link:hover{
  border-color:var(--accent);
  color:var(--accent-dark);
  box-shadow:var(--shadow-sm);
  transform:translateX(4px);
}

/* ============ 筛选标签 ============ */
.filter-tabs{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.filter-btn{
  padding:9px 24px;
  border-radius:30px;
  border:1px solid var(--border);
  background:#fff;
  font-size:14px;
  font-weight:500;
  color:var(--text-weak);
  cursor:pointer;
  transition:var(--transition);
}
.filter-btn:hover{
  border-color:var(--accent);
  color:var(--accent-dark);
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}
.filter-btn.active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
  font-weight:600;
}

/* ============ 资讯卡片 ============ */
.news-card{
  background:var(--bg-card);
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
  height:100%;
}
.news-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(240,185,11,.4);
}
.news-card-img{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/10;
}
.news-card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.news-card:hover .news-card-img img{
  transform:scale(1.06);
}
.news-card-badge{
  position:absolute;
  top:14px;
  left:14px;
  background:var(--accent);
  color:#0c1a2b;
  font-size:12px;
  font-weight:700;
  padding:5px 12px;
  border-radius:20px;
  box-shadow:0 4px 10px rgba(0,0,0,.15);
}
.news-card-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.news-card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-weak);
  margin-bottom:10px;
}
.news-card-meta i{
  color:var(--accent);
  font-size:12px;
}
.news-card h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  margin:0 0 10px;
  color:var(--text-main);
  transition:var(--transition);
}
.news-card h3 a{
  color:inherit;
}
.news-card h3 a:hover{
  color:var(--accent-dark);
}
.news-card p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.7;
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-weak);
}
.news-card-foot .read-more{
  color:var(--primary);
  font-weight:600;
  display:flex;
  align-items:center;
  gap:5px;
}
.news-card-foot .read-more:hover{
  color:var(--accent-dark);
  gap:8px;
}

/* ============ 平台动态图文 ============ */
.dynamic-section{
  background:#fff;
}
.dynamic-grid{
  align-items:stretch;
}
.dynamic-feature{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  min-height:420px;
  display:flex;
  align-items:flex-end;
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-md);
}
.dynamic-feature::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 0%,rgba(12,26,43,.88) 88%);
}
.dynamic-feature-content{
  position:relative;
  z-index:2;
  padding:32px;
  color:#fff;
}
.dynamic-feature-content .tag{
  display:inline-block;
  background:rgba(240,185,11,.2);
  border:1px solid rgba(240,185,11,.45);
  color:var(--accent-light);
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:20px;
  margin-bottom:12px;
}
.dynamic-feature-content h3{
  font-size:24px;
  font-weight:700;
  margin:0 0 10px;
  line-height:1.4;
}
.dynamic-feature-content p{
  font-size:14px;
  color:rgba(255,255,255,.85);
  margin:0;
}
.dynamic-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.dynamic-item{
  display:flex;
  gap:16px;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:16px;
  transition:var(--transition);
  cursor:pointer;
}
.dynamic-item:hover{
  border-color:rgba(240,185,11,.45);
  box-shadow:var(--shadow-md);
  transform:translateX(4px);
}
.dynamic-item-img{
  width:90px;
  height:90px;
  border-radius:12px;
  object-fit:cover;
  flex-shrink:0;
}
.dynamic-item-body{
  display:flex;
  flex-direction:column;
  justify-content:center;
  flex:1;
  min-width:0;
}
.dynamic-item-body .d-tag{
  font-size:12px;
  color:var(--accent-dark);
  font-weight:600;
  margin-bottom:4px;
}
.dynamic-item-body h4{
  font-size:15px;
  font-weight:600;
  line-height:1.5;
  margin:0 0 6px;
  color:var(--text-main);
}
.dynamic-item-body p{
  font-size:13px;
  color:var(--text-weak);
  margin:0;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

/* ============ 数据统计 ============ */
.stats-section{
  background:url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
  position:relative;
  padding:80px 0;
  color:#fff;
}
.stats-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:rgba(12,26,43,.92);
}
.stats-grid{
  position:relative;
  z-index:2;
}
.stat-item{
  text-align:center;
  padding:32px 16px;
}
.stat-number{
  font-size:50px;
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
  display:block;
  margin-bottom:8px;
  font-family:inherit;
}
.stat-label{
  font-size:15px;
  color:rgba(255,255,255,.8);
  letter-spacing:2px;
}
.stat-divider{
  width:42px;
  height:3px;
  background:var(--accent);
  border-radius:3px;
  margin:16px auto 0;
  opacity:.6;
}

/* ============ 时间线 ============ */
.timeline-section{
  background:var(--bg-main);
}
.timeline{
  position:relative;
  padding-left:48px;
  margin:0 auto;
  max-width:720px;
}
.timeline::before{
  content:'';
  position:absolute;
  left:18px;
  top:4px;
  bottom:4px;
  width:2px;
  background:linear-gradient(180deg,var(--accent) 0%,rgba(240,185,11,.2) 100%);
}
.timeline-item{
  position:relative;
  margin-bottom:32px;
  background:#fff;
  border-radius:16px;
  padding:22px 28px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
}
.timeline-item:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
}
.timeline-item::before{
  content:'';
  position:absolute;
  left:-37px;
  top:28px;
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--accent);
  border:3px solid #fff;
  box-shadow:0 0 0 3px rgba(240,185,11,.35);
}
.timeline-item::after{
  content:'';
  position:absolute;
  left:-33px;
  top:32px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:#fff;
  animation:pulse 2s infinite;
}
.timeline-date{
  font-size:13px;
  color:var(--accent-dark);
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:6px;
}
.timeline-date i{
  font-size:14px;
}
.timeline-item h3{
  font-size:17px;
  font-weight:700;
  margin:0 0 6px;
  color:var(--text-main);
}
.timeline-item p{
  font-size:14px;
  color:var(--text-weak);
  margin:0;
  line-height:1.7;
}

/* ============ FAQ ============ */
.faq-section{
  background:#fff;
}
.faq-container{
  max-width:820px;
  margin:0 auto;
}
.faq-container .accordion{
  list-style:none;
  margin:0;
  padding:0;
  background:transparent;
}
.faq-container .accordion-item{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-container .accordion-item:hover{
  border-color:rgba(240,185,11,.35);
  box-shadow:var(--shadow-sm);
}
.faq-container .accordion-title{
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 24px;
  background:#fff;
  font-size:16px;
  font-weight:600;
  color:var(--text-main);
  border:none;
  cursor:pointer;
  transition:var(--transition);
}
.faq-container .accordion-title i{
  color:var(--accent);
  font-size:14px;
  transition:transform .28s;
  flex-shrink:0;
}
.faq-container .accordion-item.is-active .accordion-title{
  background:linear-gradient(135deg,rgba(240,185,11,.08) 0%,#fff 60%);
}
.faq-container .accordion-item.is-active .accordion-title i{
  transform:rotate(45deg);
}
.faq-container .accordion-content{
  padding:0 24px 20px 24px;
  border-top:1px solid var(--border);
  color:var(--text-weak);
  font-size:14px;
  line-height:1.8;
  background:#fff;
}
.faq-container .accordion-content p{
  margin:18px 0 0;
}
.faq-container .accordion-content .faq-icon{
  color:var(--accent-dark);
  margin-right:4px;
}

/* ============ CTA ============ */
.cta-section{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
  padding:90px 0;
  text-align:center;
  color:#fff;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(12,26,43,.94) 0%,rgba(20,36,56,.88) 100%);
}
.cta-section::after{
  content:'';
  position:absolute;
  top:-120px;
  right:-120px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,185,11,.2) 0%,transparent 60%);
}
.cta-inner{
  position:relative;
  z-index:2;
}
.cta-section h2{
  font-size:38px;
  font-weight:800;
  margin:0 0 16px;
  letter-spacing:2px;
}
.cta-section p{
  font-size:17px;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin:0 auto 36px;
  line-height:1.8;
}
.cta-buttons{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

/* ============ 页脚 ============ */
.site-footer{
  background:#0a1626;
  color:rgba(255,255,255,.75);
  padding:70px 0 0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand p{
  margin:16px 0 0;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:340px;
}
.footer-logo{
  font-size:22px;
  font-weight:700;
  color:#fff;
}
.footer-logo:hover{
  color:var(--accent-light);
}
.footer-links h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin:0 0 20px;
  position:relative;
  padding-bottom:10px;
}
.footer-links h4::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:30px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.footer-links ul{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-links ul li{
  margin-bottom:10px;
}
.footer-links ul a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:var(--transition);
}
.footer-links ul a:hover{
  color:var(--accent-light);
  padding-left:6px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom p{
  margin:0;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-search{
    width:200px;
  }
  .cat-hero h1{
    font-size:38px;
  }
  .stat-number{
    font-size:40px;
  }
  .footer-main{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:768px){
  .header-top-inner{
    height:56px;
  }
  .header-tag{
    display:none;
  }
  .header-nav-inner{
    flex-wrap:wrap;
    height:auto;
    padding:10px 0;
    gap:8px;
  }
  .nav-toggle{
    display:block;
  }
  .nav-list{
    display:none;
    width:100%;
    flex-direction:column;
    gap:0;
    padding:8px 0;
  }
  .nav-list.show{
    display:flex;
  }
  .nav-list li{
    width:100%;
  }
  .nav-list a{
    padding:12px 20px;
    border-radius:8px;
  }
  .nav-search{
    width:100%;
    margin-top:4px;
  }
  .cat-hero{
    padding:70px 0;
  }
  .cat-hero h1{
    font-size:30px;
  }
  .hero-card{
    margin-top:30px;
  }
  .section{
    padding:60px 0;
  }
  .section-head h2{
    font-size:26px;
  }
  .dynamic-feature{
    min-height:280px;
    margin-bottom:20px;
  }
  .dynamic-item-img{
    width:70px;
    height:70px;
  }
  .stat-number{
    font-size:34px;
  }
  .cta-section h2{
    font-size:28px;
  }
  .footer-main{
    grid-template-columns:1fr;
    gap:32px;
  }
}
@media (max-width:520px){
  .grid-container{
    padding-left:16px;
    padding-right:16px;
  }
  .brand-logo{
    font-size:16px;
  }
  .brand-logo .logo-mark{
    font-size:13px;
    padding:3px 8px;
  }
  .btn-sm{
    padding:6px 14px;
    font-size:12px;
  }
  .cat-hero{
    padding:50px 0;
  }
  .cat-hero h1{
    font-size:24px;
  }
  .cat-hero p{
    font-size:15px;
  }
  .hero-actions{
    flex-direction:column;
    gap:10px;
  }
  .btn-hero-primary,.btn-hero-ghost{
    width:100%;
    justify-content:center;
  }
  .filter-tabs{
    gap:6px;
  }
  .filter-btn{
    padding:7px 16px;
    font-size:13px;
  }
  .news-card h3{
    font-size:16px;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .dynamic-item{
    flex-direction:row;
  }
  .dynamic-item-img{
    width:60px;
    height:60px;
  }
  .dynamic-item-body p{
    display:none;
  }
  .timeline{
    padding-left:36px;
  }
  .timeline-item{
    padding:18px 20px;
  }
  .timeline-item::before{
    left:-28px;
  }
  .timeline-item::after{
    left:-24px;
  }
  .cta-section h2{
    font-size:24px;
  }
  .cta-buttons{
    flex-direction:column;
    gap:10px;
  }
  .cta-buttons .btn-hero-primary,.cta-buttons .btn-hero-ghost{
    width:100%;
    justify-content:center;
  }
}