/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --primary-lighter: #A5B4FC;
  --deep-1: #1D1A5E;
  --deep-2: #0F1140;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FDE68A;
  --success: #0D9488;
  --bg: #F6F6F8;
  --white: #FFFFFF;
  --text: #161B2E;
  --text-weak: #637083;
  --line: #E5E7F0;
  --gradient-brand: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
  --gradient-accent: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 24px rgba(31, 38, 78, 0.08);
  --shadow-hover: 0 18px 40px rgba(79, 70, 229, 0.16);
  --font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ===== 基础 reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 15.5px;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: inline-block; }
a { text-decoration: none; transition: all .2s ease; }
button { cursor: pointer; font-family: inherit; }
.container { max-width: 1280px; padding-left: 24px; padding-right: 24px; }
section { padding: 96px 0; position: relative; }
.section-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 40px; gap: 16px;
}
.section-head h2 {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 750; margin: 0; line-height: 1.2;
  letter-spacing: -0.3px;
}
.section-head h2 span { color: var(--accent); }
.section-head .more-link {
  color: var(--text-weak); font-size: 14.5px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  border-bottom: 1px solid var(--line); padding-bottom: 3px;
}
.section-head .more-link:hover { color: var(--primary); border-color: var(--primary); }

/* ===== Bootstrap 覆写 ===== */
.navbar { padding: 0; min-height: 0; }
.navbar-toggler:focus, .btn:focus, .accordion-button:focus, .form-control:focus {
  box-shadow: none !important;
  outline: 0 !important;
}
.btn-primary { background-color: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background-color: var(--primary-light); border-color: var(--primary-light); }
.card { border: none; }
.accordion-button { background: transparent; }
.accordion-button:not(.collapsed) { background: transparent; box-shadow: none; }
.form-control { border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 10px 16px; font-size: 15px; transition: border-color .2s; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12) !important; }

/* ===== 自定义按钮 ===== */
.btn-accent {
  background: var(--gradient-accent);
  color: #3B2A00;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-pill);
  padding: 10px 28px;
  font-size: 15.5px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.30);
}
.btn-accent:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 26px rgba(245, 158, 11, 0.38);
  filter: brightness(1.03);
  color: #2A1C00;
}
.btn-accent.btn-lg { padding: 14px 40px; font-size: 17px; }
.btn-main {
  background: var(--gradient-brand);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-pill);
  padding: 11px 28px;
  font-size: 15.5px;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.25);
}
.btn-main:hover { transform: scale(1.02); box-shadow: var(--shadow-hover); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--primary);
  border-radius: var(--radius-pill);
  padding: 9px 26px;
  font-weight: 600;
  font-size: 15px;
  transition: transform .2s ease, background .2s ease;
}
.btn-outline:hover { background: rgba(79, 70, 229, 0.06); transform: scale(1.02); color: var(--primary); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: var(--radius-pill);
  padding: 12px 32px;
  font-weight: 600;
  font-size: 15.5px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.10); border-color: #fff; color: #fff; transform: scale(1.02); }
.btn:active { transform: scale(0.98) !important; }

/* ===== 顶部金线 ===== */
.top-bar {
  height: 3px;
  background: var(--gradient-accent);
  position: relative;
  z-index: 2000;
}

/* ===== 导航 ===== */
.custom-navbar {
  background: rgba(29, 26, 94, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0;
  position: relative;
  z-index: 1000;
  min-height: 76px;
}
.custom-navbar .navbar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 76px;
  gap: 16px;
}
.custom-navbar .nav-sides {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}
.custom-navbar .nav-left { justify-content: flex-start; }
.custom-navbar .nav-right { justify-content: flex-end; }
.custom-navbar .nav-links-list {
  display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0;
}
.custom-navbar .nav-links-list .nav-link {
  color: #E8E8F0;
  font-size: 14.5px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  transition: background .2s ease, color .2s ease;
  white-space: nowrap;
}
.custom-navbar .nav-links-list .nav-link:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.custom-navbar .nav-links-list .nav-link.active { background: rgba(255, 255, 255, 0.12); color: var(--accent-light); font-weight: 600; }
.custom-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  margin: 0;
  white-space: nowrap;
  flex-shrink: 0;
}
.custom-navbar .brand-icon {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}
.custom-navbar .brand-text {
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.2px;
  line-height: 1.2;
}
.navbar-toggler { border: 1.5px solid rgba(255, 255, 255, 0.4); border-radius: 10px; color: rgba(255, 255, 255, 0.7); padding: 6px 10px; font-size: 16px; }
.navbar-toggler:hover { border-color: #fff; color: #fff; }
.mobile-nav { background: var(--deep-2); border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 14px 24px 20px; display: none; }
.mobile-nav.show { display: block; }
.mobile-nav a { display: block; color: #E8E8F0; font-size: 15px; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a.active { color: var(--accent-light); font-weight: 600; }
.nav-cta-mobile { margin-top: 12px; width: 100%; text-align: center; justify-content: center; }

/* ===== Hero ===== */
.hero-section {
  background:
    linear-gradient(120deg, rgba(29, 26, 94, 0.97) 0%, rgba(37, 27, 99, 0.94) 55%, rgba(79, 70, 229, 0.88) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 72px 0 130px;
  position: relative;
  overflow: hidden;
}
.hero-section::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-section::after {
  content: "";
  position: absolute;
  bottom: -80px; left: -60px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(165, 180, 252, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-row { align-items: center; position: relative; z-index: 2; }
.hero-content { padding-right: 30px; }
.hero-subtitle {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.88);
  margin: 20px 0 30px;
  max-width: 480px;
  font-weight: 400;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-badges { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.10);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  padding: 6px 15px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
}
.hero-badge i { color: var(--accent); }
.hero-visual { display: flex; justify-content: center; position: relative; z-index: 3; }
.phone-frame {
  width: 360px;
  height: 690px;
  border-radius: 36px;
  border: 1px solid rgba(255, 255, 255, 0.30);
  background: rgba(30, 27, 95, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.10);
  position: relative;
  padding: 56px 20px 20px;
}
.phone-notch {
  position: absolute;
  top: 14px; left: 50%;
  transform: translateX(-50%);
  width: 130px; height: 28px;
  background: #15163F;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.phone-home-line {
  position: absolute;
  bottom: 10px; left: 50%;
  transform: translateX(-50%);
  width: 110px; height: 4px;
  background: rgba(255, 255, 255, 0.28);
  border-radius: 4px;
}
.phone-screen {
  background: #F6F6F8;
  border-radius: 22px;
  height: 100%;
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  color: var(--text);
}
.mock-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}
.mock-header .mock-icon {
  width: 34px; height: 34px;
  background: var(--gradient-brand);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 15px;
}
.mock-header .mock-name { font-weight: 800; font-size: 17px; color: var(--deep-1); }
.mock-field { background: #fff; border: 1.5px solid var(--line); border-radius: 12px; height: 48px; padding: 0 14px; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; font-size: 13px; color: #A3A8BD; }
.mock-field i { color: var(--primary-lighter); font-size: 14px; }
.mock-btn { background: var(--gradient-brand); color: #fff; border-radius: 12px; height: 48px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; margin: 8px 0 18px; box-shadow: 0 6px 16px rgba(79, 70, 229, 0.28); }
.mock-divider { text-align: center; font-size: 12px; color: var(--text-weak); margin: 4px 0 14px; }
.mock-qr { width: 100px; height: 100px; background: #fff; border-radius: 14px; border: 1.5px solid var(--line); margin: 0 auto; display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--text-weak); }
.mock-footer-tip { text-align: center; font-size: 11.5px; color: var(--text-weak); margin-top: 16px; }
.mock-safe { display: flex; align-items: center; justify-content: center; gap: 6px; margin-top: auto; font-size: 12px; color: var(--success); background: rgba(13, 148, 136, 0.08); border-radius: 10px; padding: 8px; }

/* ===== H1 ===== */
.hero-title {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin: 0;
}
.hero-title .gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== 数据徽章带 ===== */
.stats-section {
  padding: 0 0 96px;
  margin-top: -54px;
  position: relative;
  z-index: 10;
}
.stats-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 34px 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border: 1px solid rgba(229, 231, 240, 0.5);
}
.stat-item {
  text-align: center;
  padding: 14px 12px;
  border-radius: var(--radius-md);
  transition: transform .2s ease, box-shadow .2s ease;
  position: relative;
}
.stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.stat-item .stat-icon { font-size: 26px; color: var(--primary); margin-bottom: 10px; display: block; }
.stat-item .stat-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--deep-1);
  line-height: 1.3;
  letter-spacing: -0.3px;
  display: block;
}
.stat-item .stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-weak);
  margin-top: 4px;
}

/* ===== 爆款片段卡 ===== */
.videos-section { background: #fff; padding: 96px 0; }
.videos-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 36px;
  align-items: start;
}
.video-card-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
  background: #fff;
  border: 1px solid rgba(229, 231, 240, 0.6);
}
.video-card-main:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.video-cover {
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.video-cover.main-cover { aspect-ratio: 4 / 3; }
.video-cover.small-cover { aspect-ratio: 16 / 9; }
.video-cover .play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 58px; height: 58px;
  background: rgba(0, 0, 0, 0.55);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 20px;
  transition: transform .2s ease, background .2s ease;
  padding-left: 4px;
}
.video-cover .play-btn:hover { background: rgba(79, 70, 229, 0.8); transform: translate(-50%, -50%) scale(1.08); }
.video-cover .duration-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}
.video-cover .hot-badge {
  position: absolute;
  right: 12px; bottom: 12px;
  background: rgba(255, 255, 255, 0.85);
  color: var(--text);
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  display: flex; align-items: center; gap: 5px;
  backdrop-filter: blur(4px);
}
.video-cover .hot-badge i { color: var(--accent); }
.video-info { padding: 22px 24px 24px; }
.video-info .video-cat {
  display: inline-block;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 10px;
}
.video-info h3 { font-size: 19px; font-weight: 700; margin: 0 0 6px; line-height: 1.4; color: var(--text); }
.video-info p { font-size: 14.5px; color: var(--text-weak); margin: 0; line-height: 1.65; }
.video-side { display: flex; flex-direction: column; gap: 24px; }
.video-card-sm {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  background: #fff;
  border: 1px solid rgba(229, 231, 240, 0.6);
  transition: transform .2s ease, box-shadow .2s ease;
}
.video-card-sm:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.video-card-sm .video-cover { aspect-ratio: 16 / 10; }
.video-card-sm .video-info { padding: 18px 20px; }
.video-card-sm .video-info h3 { font-size: 16px; }
.video-card-sm .video-info p { font-size: 13.5px; }

/* ===== 三步种草清单 ===== */
.steps-section { background: var(--bg); }
.steps-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  position: relative;
  margin-top: 20px;
}
.steps-row::before {
  content: "";
  position: absolute;
  top: 78px;
  left: 18%;
  right: 18%;
  border-top: 2px dashed rgba(79, 70, 229, 0.22);
  z-index: 0;
}
.step-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border: 1px solid rgba(229, 231, 240, 0.7);
  box-shadow: var(--shadow-card);
  transition: transform .2s ease, box-shadow .2s ease;
  position: relative;
  z-index: 1;
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.step-card.center-step {
  transform: scale(1.02);
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: 0 14px 34px rgba(79, 70, 229, 0.12);
}
.step-card.center-step:hover { transform: scale(1.02) translateY(-4px); }
.step-number {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.10);
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 18px;
}
.step-card h3 { font-size: 17.5px; font-weight: 700; margin: 0 0 10px; color: var(--text); }
.step-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin: 0; }
.step-card .step-tag {
  display: inline-block;
  margin-top: 14px;
  background: var(--gradient-accent);
  color: #3B2A00;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: 999px;
}

/* ===== 评论与口碑 ===== */
.reviews-section { background: #fff; padding: 96px 0; }
.reviews-row { display: grid; grid-template-columns: 0.9fr 2.1fr; gap: 28px; align-items: stretch; }
.score-card {
  background: var(--gradient-brand);
  border-radius: var(--radius-lg);
  color: #fff;
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 14px 34px rgba(79, 70, 229, 0.35);
  position: relative;
  overflow: hidden;
}
.score-card::after {
  content: "";
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}
.score-card .score-num { font-size: 48px; font-weight: 800; line-height: 1.1; letter-spacing: -1px; }
.score-card .score-stars { color: var(--accent); font-size: 16px; margin: 8px 0 4px; }
.score-card .score-label { font-size: 14px; opacity: 0.85; }
.score-card .score-count { font-size: 12.5px; opacity: 0.65; margin-top: 12px; }
.reviews-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 8px;
}
.review-item {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 22px 20px;
  border: 1px solid rgba(229, 231, 240, 0.7);
  transition: transform .2s ease, box-shadow .2s ease;
  min-width: 0;
}
.review-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.review-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.review-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px;
  flex-shrink: 0;
}
.review-name { font-size: 13.5px; font-weight: 600; color: var(--text); }
.review-stars { font-size: 12px; color: var(--accent); margin-top: 2px; }
.review-text { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== CTA 一键跟买 ===== */
.cta-section {
  background: linear-gradient(120deg, #1D1A5E 0%, #251B63 50%, #4F46E5 100%);
  padding: 86px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-section::before,
.cta-section::after {
  content: "";
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}
.cta-section::before { background: rgba(245, 158, 11, 0.18); top: -100px; left: -60px; }
.cta-section::after { background: rgba(139, 92, 246, 0.30); bottom: -100px; right: -60px; }
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin: 0 0 16px; letter-spacing: -0.5px; }
.cta-section .lead-text { font-size: 16px; color: rgba(255, 255, 255, 0.80); max-width: 540px; margin: 0 auto 36px; }
.cta-section .btn { margin-bottom: 28px; }
.trust-tags { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; color: rgba(255, 255, 255, 0.80); font-size: 14px; }
.trust-tags span { display: inline-flex; align-items: center; gap: 7px; }
.trust-tags i { color: var(--accent); }

/* ===== 最新资讯 CMS 区 ===== */
.news-section { background: var(--bg); }
.news-feature-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(229, 231, 240, 0.6);
  transition: transform .2s ease, box-shadow .2s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-feature-cover {
  aspect-ratio: 16 / 9;
  background-size: cover;
  background-position: center;
  position: relative;
}
.news-feature-cover .cat-badge {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--accent);
  color: #3B2A00;
  font-size: 12.5px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
}
.news-feature-body { padding: 26px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.news-feature-body h3 { font-size: 20px; font-weight: 700; margin: 0 0 10px; line-height: 1.4; }
.news-feature-body h3 a { color: var(--text); }
.news-feature-body h3 a:hover { color: var(--primary); }
.news-feature-body p { font-size: 14.5px; 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-feature-meta { display: flex; align-items: center; gap: 16px; margin-top: auto; font-size: 13px; color: var(--text-weak); }
.news-feature-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-feature-meta i { color: var(--primary-lighter); }
.news-list-wrap { display: flex; flex-direction: column; gap: 14px; height: 100%; }
.news-list-item {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  gap: 16px;
  border: 1px solid rgba(229, 231, 240, 0.6);
  box-shadow: 0 4px 12px rgba(31, 38, 78, 0.04);
  transition: transform .2s ease, box-shadow .2s ease;
  align-items: center;
}
.news-list-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.news-thumb {
  width: 82px; height: 82px;
  border-radius: 12px;
  flex-shrink: 0;
  background-size: cover;
  background-position: center;
}
.news-list-info { min-width: 0; flex: 1; }
.news-list-info h4 { font-size: 15.5px; font-weight: 650; margin: 0 0 4px; line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-info h4 a { color: var(--text); }
.news-list-info h4 a:hover { color: var(--primary); }
.news-list-info p { font-size: 13px; color: var(--text-weak); margin: 0 0 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-list-meta { font-size: 11.5px; color: var(--text-weak); display: flex; gap: 10px; }
.news-list-meta span { display: inline-flex; align-items: center; gap: 4px; }
.empty-news {
  border: 2px dashed var(--line);
  border-radius: var(--radius-lg);
  padding: 50px 30px;
  text-align: center;
  color: var(--text-weak);
  font-size: 16px;
  background: #fff;
}
.empty-news i { font-size: 32px; color: var(--primary-lighter); display: block; margin-bottom: 12px; }

/* ===== FAQ ===== */
.faq-section { background: #fff; padding: 96px 0; }
.custom-accordion .accordion-item {
  background: var(--bg);
  border: 1px solid var(--line) !important;
  border-radius: 14px !important;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
  border-color: rgba(245, 158, 11, 0.4) !important;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.08);
}
.custom-accordion .accordion-button {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  padding: 16px 20px;
  background: transparent;
  border-radius: 14px;
}
.custom-accordion .accordion-button::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  font-size: 13px;
  color: var(--primary);
  transition: transform .25s ease;
  margin-left: 12px;
}
.custom-accordion .accordion-button:not(.collapsed)::after { transform: rotate(45deg); color: var(--accent); }
.custom-accordion .accordion-button:not(.collapsed) { color: var(--text); font-weight: 700; }
.custom-accordion .accordion-body { padding: 0 20px 18px; font-size: 14.5px; color: var(--text-weak); line-height: 1.7; }

/* ===== 页脚 ===== */
.footer {
  background: var(--deep-2);
  color: #A9ABD8;
  padding: 70px 0 0;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .brand-icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
}
.footer-brand .brand-text { color: #fff; font-weight: 800; font-size: 17.5px; line-height: 1.3; }
.footer-desc { font-size: 14px; line-height: 1.75; color: #A9ABD8; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 650; margin: 0 0 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #A9ABD8; font-size: 14px; transition: color .2s ease, padding-left .2s ease; }
.footer-col ul a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13.5px;
  color: rgba(169, 171, 216, 0.8);
}
.footer-bottom a { color: rgba(169, 171, 216, 0.9); }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式断点 ===== */
@media (max-width: 1199.98px) {
  .custom-navbar .brand-text { font-size: 15.5px; }
  .custom-navbar .nav-links-list .nav-link { padding: 8px 12px; font-size: 14px; }
  .phone-frame { width: 320px; height: 620px; }
  .phone-screen { padding: 22px 16px; }
}
@media (max-width: 991.98px) {
  .custom-navbar .nav-links-list { display: none; }
  .custom-navbar .nav-right .btn-accent { display: none; }
  .navbar-toggler { display: block; }
  .custom-navbar .navbar-wrap { flex-wrap: wrap; padding: 12px 20px; }
  .custom-navbar .nav-sides { display: none; }
  .custom-navbar .navbar-brand { margin: 0 auto; }
  .desktop-only { display: none; }
  .hero-section { padding: 56px 0 130px; }
  .hero-row { flex-direction: column; text-align: center; }
  .hero-content { padding: 0 0 40px; max-width: 620px; margin: 0 auto; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-visual { margin-top: 10px; }
  .phone-frame { width: 300px; height: 570px; }
  .videos-layout { grid-template-columns: 1fr; }
  .video-card-main { max-width: 100%; }
  .steps-row { grid-template-columns: 1fr 1fr; }
  .steps-row::before { display: none; }
  .step-card.center-step { transform: none; }
  .step-card.center-step:hover { transform: translateY(-4px); }
  .reviews-row { grid-template-columns: 1fr; }
  .reviews-scroll { grid-template-columns: 1fr; overflow: visible; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stats-card { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767.98px) {
  section { padding: 64px 0; }
  .hero-section { padding: 48px 0 120px; }
  .stats-section { margin-top: -44px; padding-bottom: 64px; }
  .hero-title { font-size: 30px; }
  .hero-subtitle { font-size: 15.5px; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .phone-frame { width: 260px; height: 500px; border-radius: 26px; padding: 44px 14px 14px; }
  .phone-notch { width: 100px; height: 22px; top: 10px; }
  .phone-screen { border-radius: 16px; padding: 16px 12px; }
  .mock-header { margin-bottom: 18px; }
  .mock-btn { height: 40px; font-size: 14px; }
  .stats-card { padding: 22px 16px; gap: 14px; }
  .stat-item .stat-value { font-size: 20px; }
  .steps-row { grid-template-columns: 1fr; }
  .videos-section, .faq-section, .reviews-section, .news-section { padding: 64px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .video-card-sm { grid-template-columns: 1fr; }
  .video-card-sm .video-cover { aspect-ratio: 16 / 8; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-brand { flex-direction: column; text-align: center; }
  .footer-desc { max-width: 100%; text-align: center; }
  .footer-col, .footer-col ul { text-align: center; }
  .footer-col ul li a:hover { padding-left: 0; }
  .news-feature-cover { aspect-ratio: 4 / 3; }
}
@media (min-width: 992px) {
  .navbar-toggler { display: none; }
  .mobile-nav { display: none !important; }
}
@media (max-width: 520px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .phone-frame { width: 230px; height: 450px; }
  .stats-card { grid-template-columns: 1fr 1fr; }
  .stat-item { padding: 8px; }
  .stat-item .stat-value { font-size: 17px; }
  .cta-section h2 { font-size: 24px; }
  .trust-tags { gap: 12px; flex-direction: column; align-items: center; }
  .news-list-item { flex-direction: row; }
  .news-thumb { width: 68px; height: 68px; }
  .reviews-scroll { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root {
  --primary-600: #4F46E5;
  --primary-500: #6366F1;
  --primary-300: #A5B4FC;
  --deep-800: #1D1A5E;
  --deep-900: #0F1140;
  --accent-500: #F59E0B;
  --accent-600: #D97706;
  --accent-300: #FDE68A;
  --success: #0D9488;
  --bg-gray: #F6F6F8;
  --bg-white: #FFFFFF;
  --text-dark: #161B2E;
  --text-gray: #637083;
  --line-color: #E5E7F0;
  --gradient-brand: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
  --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 10px 24px rgba(31,38,78,0.08), 0 2px 6px rgba(31,38,78,0.04);
  --shadow-hover: 0 18px 40px rgba(79,70,229,0.16);
  --transition: 0.2s ease;
}

/* ========== Reset & Base ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-white);
  color: var(--text-dark);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary-600); transition: color var(--transition); }
a:hover { color: var(--primary-500); }
img { max-width: 100%; display: block; }
button { border: none; cursor: pointer; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }

.container {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ========== 导航 ========== */
.custom-navbar {
  background: rgba(29, 26, 94, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, #F59E0B, #FDE68A, #F59E0B) 1;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(15, 17, 64, 0.18);
}
.navbar-wrap {
  max-width: 1380px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  min-height: 66px;
}
.nav-sides { display: flex; align-items: center; }
.nav-links-list { display: flex; align-items: center; gap: 6px; margin: 0; padding: 0; }
.nav-links-list .nav-link {
  font-size: 15px;
  color: #E8E8F0;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links-list .nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}
.nav-links-list .nav-link.active {
  background: rgba(255, 255, 255, 0.14);
  color: var(--accent-300);
  font-weight: 600;
}
.navbar-brand {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  z-index: 2;
}
.navbar-brand:hover { color: #ffffff; }
.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--gradient-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--deep-900);
  font-size: 15px;
  flex-shrink: 0;
}
.btn-accent {
  background: var(--gradient-gold);
  color: var(--deep-900);
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: none;
  padding: 8px 20px;
  font-size: 15px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-accent:hover {
  color: var(--deep-900);
  transform: scale(1.02);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
}
.navbar-toggler {
  display: none;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.1);
  width: 42px;
  height: 42px;
  border-radius: 10px;
  color: #ffffff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.navbar-toggler:hover { background: rgba(255, 255, 255, 0.25); }
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  background: rgba(15, 17, 64, 0.98);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.mobile-nav a {
  color: #E8E8F0;
  padding: 12px 8px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  display: block;
}
.mobile-nav a:hover { background: rgba(255, 255, 255, 0.08); color: #ffffff; }
.mobile-nav .btn-accent { margin-top: 10px; justify-content: center; }

/* ========== 按钮 ========== */
.btn-main {
  background: var(--gradient-brand);
  color: #ffffff;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: none;
  padding: 10px 24px;
  font-size: 15px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-main:hover {
  color: #ffffff;
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-600);
  color: var(--primary-600);
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 8px 22px;
  font-size: 15px;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-outline:hover {
  background: rgba(79, 70, 229, 0.06);
  color: var(--primary-600);
  transform: translateY(-2px);
}

/* ========== 分类页 Hero 横幅 ========== */
.category-banner {
  background: linear-gradient(120deg, #EDEDF8 0%, #F6F0FB 60%, #FAF6FF 100%);
  padding: 76px 0 62px;
  position: relative;
  overflow: hidden;
}
.category-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.18);
  filter: blur(60px);
}
.category-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 10%;
  width: 420px;
  height: 280px;
  background: rgba(245, 158, 11, 0.15);
  filter: blur(80px);
  border-radius: 50%;
}
.banner-inner {
  position: relative;
  z-index: 2;
  max-width: 940px;
}
.category-banner .category-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary-600);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}
.category-banner h1 {
  font-size: clamp(28px, 4.2vw, 42px);
  font-weight: 800;
  line-height: 1.16;
  color: var(--deep-900);
  margin-bottom: 18px;
}
.category-banner .banner-lead {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-gray);
  max-width: 760px;
  margin-bottom: 28px;
}
.banner-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.banner-badges .badge {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(79, 70, 229, 0.18);
  color: var(--text-dark);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(31, 38, 78, 0.05);
}
.banner-badges .badge i { color: var(--primary-600); }

/* ========== 板块通用 ========== */
.section-block { padding: 72px 0; }
.section-block.gray-bg { background: var(--bg-gray); }
.section-block.deep-bg {
  background: linear-gradient(120deg, var(--deep-800), var(--deep-900));
  color: #ffffff;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.section-header h2 {
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 750;
  line-height: 1.25;
  color: var(--text-dark);
  margin: 0;
}
.section-header .header-sub {
  font-size: 15px;
  color: var(--text-gray);
  margin-top: 8px;
  line-height: 1.7;
}

/* ========== 图文不对称 ========== */
.feature-split-row {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.feature-split-row.reverse { flex-direction: row-reverse; }
.split-image-col {
  flex: 0 0 45%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.split-image-col img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.split-image-col:hover img { transform: scale(1.03); }
.split-content-col { flex: 1; min-width: 300px; }
.split-content-col h3 {
  font-size: 22px;
  font-weight: 750;
  margin-bottom: 14px;
  color: var(--text-dark);
}
.split-content-col p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-gray);
  margin-bottom: 16px;
}
.split-content-col .feat-point-list { margin-top: 16px; }
.split-content-col .feat-point-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-dark);
  margin-bottom: 10px;
}
.split-content-col .feat-point-list li i {
  color: var(--success);
  margin-top: 3px;
  font-size: 14px;
}
.split-content-col .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.tag-chip {
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary-600);
  border-radius: 8px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
}

/* ========== 纵向列表卡 ========== */
.list-card-group { display: flex; flex-direction: column; gap: 16px; }
.list-info-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: flex;
  gap: 20px;
  box-shadow: var(--shadow-card);
  border: 1px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.list-info-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-gold);
  opacity: 0;
  transition: var(--transition);
}
.list-info-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: rgba(79, 70, 229, 0.12);
}
.list-info-card:hover::before { opacity: 1; }
.list-info-card .step-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary-600);
  font-weight: 700;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.list-info-card .card-body { flex: 1; }
.list-info-card .card-body h4 {
  font-size: 17px;
  font-weight: 650;
  margin-bottom: 6px;
  color: var(--text-dark);
}
.list-info-card .card-body p {
  font-size: 14.5px;
  color: var(--text-gray);
  line-height: 1.75;
  margin: 0;
}
.list-info-card .card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.list-info-card .card-meta span {
  font-size: 12.5px;
  background: var(--bg-gray);
  color: var(--text-gray);
  border-radius: 6px;
  padding: 3px 10px;
}

/* ========== 大号圆角信息卡 ========== */
.large-info-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(229, 231, 240, 0.6);
}
.large-info-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.06);
  filter: blur(40px);
}
.large-info-card .info-wrap { position: relative; z-index: 2; max-width: 780px; }
.large-info-card h3 {
  font-size: 22px;
  font-weight: 750;
  margin-bottom: 14px;
  color: var(--text-dark);
}
.large-info-card .lead-text {
  font-size: 15.5px;
  color: var(--text-gray);
  line-height: 1.85;
  margin-bottom: 22px;
}
.large-info-card .check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 24px;
  margin-bottom: 28px;
}
.large-info-card .check-grid .check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  color: var(--text-dark);
}
.large-info-card .check-grid .check-item i {
  color: var(--success);
  margin-top: 4px;
  font-size: 14px;
}
.anchor-btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ========== 次级 CTA ========== */
.secondary-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
  position: relative;
  overflow: hidden;
}
.secondary-cta::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 15%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  filter: blur(30px);
}
.secondary-cta::after {
  content: '';
  position: absolute;
  bottom: -40px;
  right: 10%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.2);
  filter: blur(40px);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-inner h2 {
  color: #ffffff;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 750;
  margin-bottom: 16px;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.cta-inner .btn-cta-white {
  background: #ffffff;
  color: var(--primary-600);
  font-size: 16px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  padding: 12px 32px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.cta-inner .btn-cta-white:hover {
  transform: scale(1.03);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  color: var(--primary-600);
}
.cta-trust-row {
  margin-top: 32px;
  display: flex;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-trust-row span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ========== 表单控件 ========== */
.form-control {
  border: 1px solid var(--line-color);
  border-radius: var(--radius-sm);
  height: 44px;
  font-size: 15px;
  padding: 8px 14px;
  transition: var(--transition);
}
.form-control:focus {
  border-color: var(--primary-500);
  box-shadow: none;
  outline: none;
  border-width: 2px;
}

/* ========== 页脚 ========== */
.footer {
  background: linear-gradient(145deg, var(--deep-800), #171447 60%, #12103A);
  color: #A9ABD8;
  padding: 60px 0 0;
  font-size: 14.5px;
}
.footer-top {
  display: flex;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
}
.footer-top > div:first-child { flex: 1; min-width: 260px; }
.footer-top > div { flex: 0 0 auto; }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 12px;
}
.footer-brand .brand-icon {
  background: var(--gradient-gold);
  color: var(--deep-900);
  width: 32px;
  height: 32px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: #A9ABD8;
  max-width: 360px;
}
.footer-col { min-width: 140px; }
.footer-col h4 {
  color: #ffffff;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 16px;
}
.footer-col ul { margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  color: #A9ABD8;
  font-size: 14px;
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--accent-300);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(169, 171, 216, 0.7);
}
.footer-bottom a {
  color: rgba(169, 171, 216, 0.85);
  transition: var(--transition);
}
.footer-bottom a:hover { color: var(--accent-300); }

/* ========== 响应式 ========== */
@media (max-width: 992px) {
  .nav-links-list { gap: 2px; }
  .nav-links-list .nav-link { padding: 6px 10px; font-size: 14px; }
  .navbar-brand { font-size: 14.5px; }
  .brand-icon { width: 28px; height: 28px; font-size: 13px; }
  .split-image-col { flex: 0 0 100%; }
  .feature-split-row { gap: 32px; }
  .large-info-card { padding: 32px; }
}
@media (max-width: 768px) {
  .nav-links-list { display: none; }
  .navbar-toggler { display: flex; }
  .navbar-brand { position: static; transform: none; margin: 0 auto; }
  .navbar-wrap { justify-content: space-between; }
  .mobile-nav.show { display: flex; }
  .section-block { padding: 52px 0; }
  .category-banner { padding: 52px 0 42px; }
  .section-header { margin-bottom: 28px; }
  .check-grid { grid-template-columns: 1fr; }
  .large-info-card { padding: 24px; }
  .list-info-card { padding: 20px; flex-direction: column; gap: 12px; }
  .footer-top { gap: 28px; }
  .cta-trust-row { gap: 16px; }
}
@media (max-width: 520px) {
  .container { padding-left: 18px; padding-right: 18px; }
  .category-banner h1 { font-size: 26px; }
  .banner-badges .badge { width: 100%; }
  .large-info-card .check-grid { grid-template-columns: 1fr; }
  .split-image-col img { height: 240px; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ========== 临时淡入 ========== */
.fade-min { animation: fadeMin 0.4s ease; }
@keyframes fadeMin {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* roulang page: article */
:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --primary-soft: #A5B4FC;
  --dark: #1D1A5E;
  --dark-deep: #0F1140;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-soft: #FDE68A;
  --success: #0D9488;
  --bg: #F6F6F8;
  --bg-white: #FFFFFF;
  --body: #161B2E;
  --muted: #637083;
  --line: #E5E7F0;
  --brand-gradient: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
  --gold-gradient: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 24px rgba(31,38,78,0.08), 0 2px 6px rgba(31,38,78,0.04);
  --shadow-hover: 0 18px 40px rgba(79,70,229,0.16);
  --transition: 0.2s ease;
  --font: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-light); }

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

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

h1, h2, h3, h4, h5, h6 { color: var(--body); line-height: 1.25; font-weight: 700; }

.container { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }

/* Bootstrap 重塑 */
.navbar { --bs-navbar-padding-y: 0; --bs-navbar-brand-padding-y: 0; }
.btn-primary { background: var(--brand-gradient); border: none; border-radius: 999px; padding: 10px 24px; font-weight: 600; }
.btn-primary:hover { background: linear-gradient(135deg, #4338CA, #5B4BD6); }
.accordion-button { box-shadow: none !important; }
.accordion-button:not(.collapsed) { background: rgba(79,70,229,0.05); color: var(--dark); }
.form-control { border-radius: 10px; border: 1px solid var(--line); padding: 10px 16px; font-size: 15px; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(79,70,229,0.15); }
.card { border: none; border-radius: 18px; box-shadow: var(--shadow-card); }

/* ========== 导航 ========== */
.custom-navbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(29,26,94,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid transparent;
  background-clip: padding-box;
  padding: 0;
}
.custom-navbar::after {
  content: "";
  display: block;
  height: 2px;
  background: var(--gold-gradient);
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
}
.navbar-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  gap: 16px;
  position: relative;
}
.nav-sides { display: flex; flex: 1; }
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }
.nav-links-list { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links-list .nav-link {
  color: #E8E8F0;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-links-list .nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-links-list .nav-link.active { background: rgba(255,255,255,0.12); color: #FDE68A; }
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  padding: 6px 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gold-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark-deep);
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(245,158,11,0.3);
  flex-shrink: 0;
}
.brand-text {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.btn-accent {
  background: var(--gold-gradient);
  color: var(--dark-deep) !important;
  border: none;
  border-radius: 999px;
  padding: 9px 22px;
  font-size: 14px;
  font-weight: 700;
  transition: transform var(--transition), box-shadow var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-accent:hover { transform: scale(1.02); box-shadow: 0 6px 18px rgba(245,158,11,0.3); color: var(--dark-deep) !important; }
.nav-login-btn { margin-left: 12px; }
.navbar-toggler {
  display: none;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 10px;
  color: #fff;
  width: 42px;
  height: 42px;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: rgba(29,26,94,0.98);
  padding: 12px 24px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav.show { display: flex; }
.mobile-nav a {
  color: #E8E8F0;
  padding: 12px 0;
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav a:last-of-type { border-bottom: none; }
.nav-cta-mobile { margin-top: 12px; justify-content: center; }

/* ========== 面包屑 ========== */
.breadcrumb-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 24px 0;
  font-size: 13px;
  color: var(--muted);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.breadcrumb-wrap a { color: var(--primary); }
.breadcrumb-wrap a:hover { color: var(--primary-light); }
.breadcrumb-wrap .sep { margin: 0 8px; color: #A9AFC3; }
.breadcrumb-wrap .current { color: var(--muted); }

/* ========== 文章主区 ========== */
.article-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 24px 60px;
}
.article-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 48px 56px;
}
.article-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
  margin-bottom: 32px;
}
.article-header h1 {
  font-size: clamp(26px, 3.2vw, 37px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--dark);
  margin-bottom: 16px;
}
.article-meta { display: flex; flex-wrap: wrap; gap: 10px; }
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--muted);
  border: 1px solid var(--line);
}
.meta-badge i { color: var(--primary); font-size: 12px; }

/* ===== 正文排版 ===== */
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--body);
  word-break: break-word;
}
.article-content p { margin-bottom: 20px; }
.article-content h2 {
  font-size: 24px;
  font-weight: 750;
  color: var(--dark);
  margin: 36px 0 16px;
  line-height: 1.35;
}
.article-content h3 {
  font-size: 19px;
  font-weight: 650;
  color: var(--dark);
  margin: 30px 0 12px;
  line-height: 1.4;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 650;
  margin: 24px 0 10px;
  color: var(--dark);
}
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--primary-light); }
.article-content ul, .article-content ol { margin: 0 0 20px; padding-left: 26px; }
.article-content li { margin-bottom: 8px; }
.article-content img {
  border-radius: 16px;
  max-width: 100%;
  height: auto;
  margin: 24px 0;
  box-shadow: var(--shadow-card);
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(79,70,229,0.04);
  border-radius: 0 12px 12px 0;
  padding: 14px 22px;
  margin: 24px 0;
  color: var(--dark);
  font-style: normal;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.article-content table th,
.article-content table td {
  border: 1px solid var(--line);
  padding: 10px 14px;
}
.article-content table th {
  background: var(--bg);
  font-weight: 600;
  text-align: left;
}
.article-content code {
  background: #EDEDF3;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  font-family: "DIN Alternate", "Barlow", monospace;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

/* ===== 空状态 ===== */
.article-empty {
  text-align: center;
  padding: 80px 20px;
}
.article-empty i {
  font-size: 52px;
  color: var(--primary-soft);
  margin-bottom: 16px;
  display: block;
}
.article-empty p {
  font-size: 18px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 24px;
}

/* ===== 相关推荐 ===== */
.related-section { margin-top: 48px; }
.related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.related-head h2 {
  font-size: 24px;
  font-weight: 750;
  color: var(--dark);
  margin: 0;
  position: relative;
  padding-left: 16px;
}
.related-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--primary);
}
.related-link {
  font-size: 14px;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.related-link:hover { color: var(--primary-light); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-thumb {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: var(--line);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.03); }
.thumb-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(29,26,94,0.85);
  color: #FDE68A;
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.related-info { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.related-info h3 {
  font-size: 16px;
  font-weight: 650;
  line-height: 1.4;
  margin-bottom: 8px;
}
.related-info h3 a { color: var(--dark); }
.related-info h3 a:hover { color: var(--primary); }
.related-info p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.related-more {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.related-more:hover { color: var(--primary-light); }

/* ===== 文章尾部导航 ===== */
.article-foot-nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.btn-main {
  background: var(--brand-gradient);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 11px 26px;
  font-size: 15px;
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-main:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(79,70,229,0.3);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--dark);
  color: var(--dark);
  border-radius: 999px;
  padding: 9px 24px;
  font-size: 15px;
  font-weight: 600;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-outline:hover {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}

/* ===== CTA 区块 ===== */
.article-cta {
  background: var(--brand-gradient);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  margin-top: 48px;
  position: relative;
  overflow: hidden;
}
.article-cta::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.article-cta::after {
  content: "";
  position: absolute;
  bottom: -40px;
  left: -20px;
  width: 120px;
  height: 120px;
  background: rgba(245,158,11,0.15);
  border-radius: 50%;
}
.article-cta h2 {
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.article-cta p {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}
.article-cta .btn-accent {
  background: var(--gold-gradient);
  color: var(--dark-deep) !important;
  padding: 12px 32px;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
}
.article-cta .btn-accent:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 24px rgba(245,158,11,0.4);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--dark-deep);
  color: #A9ABD8;
  padding: 60px 0 24px;
  margin-top: 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 14px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #9BA0C3;
  margin: 12px 0 0;
  max-width: 380px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: #A9ABD8;
  font-size: 14px;
  transition: color var(--transition);
}
.footer-col ul a:hover { color: #FDE68A; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  font-size: 13px;
  color: #9BA0C3;
  flex-wrap: wrap;
}
.footer-bottom a { color: #C7C9E5; }
.footer-bottom a:hover { color: #FDE68A; }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .nav-sides { display: none; }
  .navbar-toggler { display: flex; }
  .navbar-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    min-height: 60px;
  }
  .navbar-brand {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
  }
  .brand-text { font-size: 14px; }
  .article-main { padding: 16px 16px 48px; }
  .article-card { padding: 36px 28px; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

@media (max-width: 768px) {
  .breadcrumb-wrap { padding: 20px 16px 0; }
  .article-card { padding: 24px 20px; border-radius: 18px; }
  .article-header h1 { font-size: 24px; }
  .article-header { padding-bottom: 20px; margin-bottom: 24px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 21px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-info p { -webkit-line-clamp: 3; }
  .article-cta { padding: 36px 20px; margin-top: 36px; }
  .article-cta h2 { font-size: 20px; }
  .article-foot-nav { flex-direction: column; align-items: center; }
  .article-foot-nav .btn { width: 100%; justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; padding-bottom: 28px; }
  .footer { padding: 48px 0 20px; }
  .footer-desc { max-width: 100%; }
  .navbar-wrap { padding: 0 12px; }
  .brand-icon { width: 32px; height: 32px; font-size: 14px; }
  .brand-text { font-size: 13px; }
}

@media (max-width: 520px) {
  .brand-text { max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
  .meta-badge { font-size: 12px; padding: 5px 12px; }
  .article-card { padding: 20px 16px; }
  .related-info h3 { font-size: 15px; }
}

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --primary: #4F46E5;
            --primary-2: #6366F1;
            --primary-3: #A5B4FC;
            --deep-1: #1D1A5E;
            --deep-2: #0F1140;
            --accent: #F59E0B;
            --accent-2: #D97706;
            --accent-3: #FDE68A;
            --success: #0D9488;
            --bg: #F6F6F8;
            --white: #FFFFFF;
            --text: #161B2E;
            --text-weak: #637083;
            --line: #E5E7F0;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow: 0 10px 24px rgba(31, 38, 78, .08), 0 2px 6px rgba(31, 38, 78, .04);
            --shadow-hover: 0 18px 40px rgba(79, 70, 229, .16);
            --gradient: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
            --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
            --transition: .2s ease;
        }

        /* ===== Base Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-padding {
            padding-top: 96px;
            padding-bottom: 96px;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }

        /* ===== Buttons ===== */
        .btn-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gradient);
            color: #fff;
            border-radius: var(--radius-pill);
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 6px 18px rgba(79, 70, 229, .25);
        }
        .btn-main:hover {
            color: #fff;
            transform: scale(1.02);
            box-shadow: var(--shadow-hover);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--gradient-gold);
            color: #1D1A5E;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 700;
            padding: 10px 22px;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 4px 12px rgba(245, 158, 11, .25);
        }
        .btn-accent:hover {
            color: #0F1140;
            transform: scale(1.02);
            box-shadow: 0 8px 22px rgba(245, 158, 11, .35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--deep-1);
            border: 2px solid var(--primary);
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            transition: all var(--transition);
        }
        .btn-outline:hover {
            background: rgba(79, 70, 229, .06);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .65);
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            transition: all var(--transition);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .1);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Section Label ===== */
        .section-label {
            display: inline-block;
            background: rgba(79, 70, 229, .08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: .5px;
            margin-bottom: 14px;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: clamp(22px, 2.6vw, 32px);
            font-weight: 750;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-weak);
            max-width: 640px;
        }
        .section-head.text-center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Navbar ===== */
        .custom-navbar {
            background: rgba(29, 26, 94, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 2px solid transparent;
            border-image: linear-gradient(90deg, #F59E0B, #FBBF24, #8B5CF6) 1;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            min-height: 72px;
        }
        .navbar-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
            min-height: 72px;
        }
        .nav-sides {
            flex: 1;
            display: flex;
            align-items: center;
        }
        .nav-left {
            justify-content: flex-start;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-links-list {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-link {
            color: #E8E8F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: background var(--transition), color var(--transition);
        }
        .nav-link:hover,
        .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            white-space: nowrap;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 17px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .3px;
        }
        .nav-login-btn {
            margin-left: 10px;
        }
        .navbar-toggler {
            display: none;
            background: transparent;
            color: #fff;
            font-size: 22px;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-nav {
            display: none;
            background: var(--deep-2);
            padding: 16px 24px 20px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-nav.show {
            display: flex;
        }
        .mobile-nav a {
            color: #E8E8F0;
            font-size: 15px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, .06);
            color: #fff;
        }
        .mobile-nav .nav-cta-mobile {
            margin-top: 10px;
            justify-content: center;
            border-bottom: none;
        }
        @media (max-width: 992px) {
            .nav-links-list {
                display: none;
            }
            .navbar-toggler {
                display: block;
            }
            .navbar-wrap {
                justify-content: space-between;
            }
            .navbar-brand {
                position: static;
                transform: none;
                margin: 0 auto;
            }
            .nav-left,
            .nav-right {
                flex: 0 0 auto;
            }
            .mobile-nav {
                display: none;
            }
            .mobile-nav.show {
                display: flex;
            }
        }
        @media (max-width: 576px) {
            .brand-text {
                font-size: 14px;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }

        /* ===== Page Banner (浅色横幅) ===== */
        .page-banner {
            position: relative;
            background: #F1F0FA;
            padding: 88px 0 72px;
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: .10;
            z-index: 0;
        }
        .banner-inner {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }
        .banner-tag {
            display: inline-block;
            background: var(--gradient);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .page-banner h1 {
            font-size: clamp(28px, 4.2vw, 44px);
            font-weight: 800;
            line-height: 1.12;
            color: var(--text);
            margin-bottom: 18px;
        }
        .page-banner p {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.75;
            max-width: 660px;
            margin-bottom: 28px;
        }
        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== Feature Split ===== */
        .feature-split {
            background: var(--white);
        }
        .feature-split h2 {
            font-size: clamp(22px, 2.6vw, 32px);
            font-weight: 750;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
        }
        .feature-split p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .check-list {
            padding: 0;
            margin: 0;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            padding: 8px 0;
        }
        .check-list li i {
            color: var(--success);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }
        .feature-img {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .feature-img:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-img img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .img-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(15, 17, 64, .78);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .img-badge .badge-num {
            color: var(--accent-3);
            font-weight: 800;
        }

        /* ===== Verify Methods 纵向列表 ===== */
        .verify-methods {
            background: var(--bg);
        }
        .method-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 880px;
            margin: 0 auto;
        }
        .method-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--line);
            transition: all var(--transition);
            position: relative;
        }
        .method-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(79, 70, 229, .2);
        }
        .method-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(79, 70, 229, .1);
            color: var(--primary);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .method-content {
            flex: 1;
        }
        .method-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .method-content p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            margin: 0;
        }
        .method-tag {
            background: var(--gradient-gold);
            color: #1D1A5E;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* ===== Trouble Card 大号圆角卡 ===== */
        .trouble-card {
            background: var(--white);
        }
        .trouble-inner {
            background: linear-gradient(145deg, #F6F5FF, #FFFFFF);
            border-radius: var(--radius-lg);
            padding: 56px;
            box-shadow: var(--shadow);
            border: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }
        .trouble-inner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(79, 70, 229, .05);
            border-radius: 50%;
            pointer-events: none;
        }
        .trouble-head {
            margin-bottom: 32px;
        }
        .trouble-head h2 {
            font-size: clamp(22px, 2.6vw, 30px);
            font-weight: 750;
            color: var(--text);
            margin-bottom: 10px;
        }
        .trouble-head p {
            font-size: 15px;
            color: var(--text-weak);
        }
        .trouble-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 32px;
        }
        .trouble-item {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border-left: 4px solid var(--primary-3);
            box-shadow: 0 2px 8px rgba(31, 38, 78, .05);
            transition: all var(--transition);
        }
        .trouble-item:hover {
            border-left-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .trouble-q {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .trouble-q i {
            color: var(--primary-2);
            font-size: 17px;
        }
        .trouble-a {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.65;
            padding-left: 25px;
        }
        .trouble-btn {
            text-align: center;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--deep-1);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: rgba(245, 158, 11, .12);
            border-radius: 50%;
            filter: blur(60px);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 260px;
            height: 260px;
            background: rgba(139, 92, 246, .25);
            border-radius: 50%;
            filter: blur(60px);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-bottom: 28px;
        }
        .cta-trust {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-trust span {
            color: rgba(255, 255, 255, .8);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cta-trust span i {
            color: var(--accent-3);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0F1140;
            color: #A9ABD8;
            padding: 64px 0 0;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .07);
            flex-wrap: wrap;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-icon {
            background: var(--gradient);
        }
        .footer-brand .brand-text {
            font-size: 17px;
            font-weight: 800;
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #A9ABD8;
            max-width: 320px;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: #A9ABD8;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            padding: 24px 0;
            font-size: 13px;
            color: #7E80B0;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: #A9ABD8;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .page-banner {
                padding: 64px 0 48px;
            }
            .trouble-inner {
                padding: 40px 28px;
            }
        }
        @media (max-width: 768px) {
            .feature-split .row {
                flex-direction: column;
            }
            .feature-img {
                margin-top: 20px;
            }
            .method-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 20px;
            }
            .method-tag {
                position: absolute;
                top: 14px;
                right: 14px;
            }
            .method-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
            }
            .trouble-inner {
                padding: 32px 20px;
                border-radius: 18px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .cta-trust {
                gap: 16px;
            }
            .footer-top {
                flex-direction: column;
                gap: 28px;
            }
            .footer-col {
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }
        @media (max-width: 576px) {
            .banner-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .banner-actions .btn {
                justify-content: center;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .feature-img img {
                height: 220px;
            }
            .method-list {
                padding: 0;
            }
            .trouble-q {
                font-size: 15px;
            }
        }

        /* ===== Focus Accessibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--primary-2);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Bootstrap Overrides ===== */
        .btn-primary,
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--gradient) !important;
            border: none !important;
            box-shadow: none !important;
        }
        .navbar {
            --bs-navbar-color: #E8E8F0;
            --bs-navbar-hover-color: #fff;
            --bs-navbar-active-color: #fff;
        }
        .form-control {
            border-radius: var(--radius-sm);
            border-color: var(--line);
        }
        .form-control:focus {
            border-color: var(--primary-2);
            box-shadow: 0 0 0 2px rgba(79, 70, 229, .15);
        }

/* roulang page: category3 */
:root {
            --primary-500: #4F46E5;
            --primary-400: #6366F1;
            --primary-200: #A5B4FC;
            --dark-800: #1D1A5E;
            --dark-900: #0F1140;
            --gold-500: #F59E0B;
            --gold-600: #D97706;
            --gold-200: #FDE68A;
            --green: #0D9488;
            --bg-warm: #F6F6F8;
            --text-main: #161B2E;
            --text-muted: #637083;
            --line: #E5E7F0;
            --gradient-brand: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
            --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 24px rgba(31, 38, 78, 0.08), 0 2px 6px rgba(31, 38, 78, 0.04);
            --shadow-hover: 0 18px 40px rgba(79, 70, 229, 0.16);
            --section-space: clamp(56px, 6vw, 96px);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-warm);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button {
            border: none;
            background: none;
        }
        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Navbar ===== */
        .custom-navbar {
            background: rgba(29, 26, 94, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1030;
            padding: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 24px rgba(15, 17, 64, 0.18);
        }
        .custom-navbar::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--gradient-gold);
            z-index: 2;
        }
        .navbar-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: relative;
        }
        .nav-sides {
            flex: 1;
            display: flex;
        }
        .nav-left {
            justify-content: flex-start;
        }
        .nav-right {
            justify-content: flex-end;
        }
        .nav-links-list {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }
        .nav-links-list .nav-link {
            color: #E8E8F0;
            font-size: 15px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: background 0.2s ease, color 0.2s ease;
            line-height: 1.4;
        }
        .nav-links-list .nav-link:hover,
        .nav-links-list .nav-link.active {
            background: rgba(255, 255, 255, 0.09);
            color: #fff;
        }
        .navbar-brand {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 18px;
            text-decoration: none;
            white-space: nowrap;
            z-index: 3;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-gold);
            color: var(--dark-800);
            font-size: 17px;
            flex-shrink: 0;
        }
        .navbar-toggler {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 18px;
            justify-content: center;
            align-items: center;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .mobile-nav {
            display: none;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
            padding: 10px 24px;
            border: 2px solid transparent;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            justify-content: center;
            text-decoration: none;
        }
        .btn-accent {
            background: var(--gradient-gold);
            color: #1D1A5E;
            border-color: transparent;
        }
        .btn-accent:hover {
            transform: scale(1.02);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.32);
            color: #1D1A5E;
        }
        .btn-outline {
            background: transparent;
            color: #1D1A5E;
            border-color: #4F46E5;
        }
        .btn-outline:hover {
            background: rgba(79, 70, 229, 0.06);
            color: #4F46E5;
            box-shadow: 0 6px 20px rgba(79, 70, 229, 0.12);
        }
        .btn-main {
            background: var(--gradient-brand);
            color: #fff;
            border-color: transparent;
        }
        .btn-main:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 28px rgba(79, 70, 229, 0.3);
            color: #fff;
        }
        .btn-lg {
            padding: 13px 32px;
            font-size: 16px;
        }

        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            padding: 76px 0 72px;
            background: linear-gradient(120deg, rgba(79, 70, 229, 0.1) 0%, rgba(255, 255, 255, 0.94) 55%, rgba(245, 158, 11, 0.08) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat, #F6F6F8;
            overflow: hidden;
            border-bottom: 1px solid rgba(229, 231, 240, 0.6);
        }
        .cat-hero::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            right: -140px;
            top: -180px;
            border-radius: 50%;
            background: rgba(79, 70, 229, 0.1);
            pointer-events: none;
        }
        .cat-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(79, 70, 229, 0.1);
            color: #4F46E5;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(79, 70, 229, 0.18);
            margin-bottom: 18px;
        }
        .cat-hero h1 {
            font-size: clamp(28px, 4.2vw, 44px);
            font-weight: 800;
            line-height: 1.14;
            color: var(--dark-800);
            margin: 0 0 20px;
            letter-spacing: -0.5px;
        }
        .cat-hero .hero-sub {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-panel {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.9);
            border-radius: var(--radius-xl);
            padding: 26px;
            box-shadow: var(--shadow-card);
            position: relative;
            z-index: 2;
        }
        .hero-panel-header {
            font-weight: 700;
            font-size: 17px;
            color: var(--dark-800);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--line);
        }
        .hero-panel-header i {
            color: var(--gold-500);
            font-size: 20px;
        }
        .hero-panel-list {
            margin-bottom: 20px;
        }
        .hero-panel-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
            font-size: 15px;
            padding: 8px 0;
            line-height: 1.5;
        }
        .hero-panel-list li i {
            color: #4F46E5;
            font-size: 13px;
        }

        /* ===== Section Common ===== */
        .cat-block {
            padding: var(--section-space) 0;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #4F46E5;
            background: rgba(79, 70, 229, 0.08);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .cat-block h2 {
            font-size: clamp(22px, 2.6vw, 32px);
            font-weight: 750;
            color: var(--dark-800);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .cat-block .lead-text {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 24px;
            max-width: 640px;
        }

        /* ===== Block 1: Image + Text ===== */
        .about-block {
            background: #fff;
        }
        .block-image {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            width: 100%;
            object-fit: cover;
            height: 340px;
        }
        .check-list {
            margin-top: 8px;
        }
        .check-list li {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid #F0F1F6;
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.65;
        }
        .check-list li:last-child {
            border-bottom: none;
        }
        .check-list li i {
            color: #0D9488;
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .check-list li strong {
            font-weight: 650;
            display: block;
            color: var(--dark-800);
            margin-bottom: 2px;
        }
        .check-list li span {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* ===== Block 2: Vertical List Cards ===== */
        .security-block {
            background: var(--bg-warm);
        }
        .security-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 28px;
            max-width: 920px;
        }
        .security-item {
            background: #fff;
            border-radius: 18px;
            padding: 22px 26px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            border-left: 4px solid transparent;
        }
        .security-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-left-color: var(--gold-500);
        }
        .security-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(99, 102, 241, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #4F46E5;
            font-size: 20px;
            flex-shrink: 0;
        }
        .security-item h3 {
            font-size: 17px;
            font-weight: 650;
            color: var(--dark-800);
            margin-bottom: 4px;
        }
        .security-item p {
            color: var(--text-muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Block 3: Official Card ===== */
        .official-block {
            background: #fff;
        }
        .official-card {
            background: linear-gradient(135deg, #1D1A5E 0%, #251B63 70%, #2A2A7C 100%);
            border-radius: var(--radius-xl);
            padding: 48px 48px 46px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 44px rgba(29, 26, 94, 0.22);
        }
        .official-card::before {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            right: -80px;
            top: -90px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
        }
        .official-card::after {
            content: "";
            position: absolute;
            width: 160px;
            height: 160px;
            right: 120px;
            bottom: -70px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.16);
        }
        .official-card .section-tag.dark {
            background: rgba(255, 255, 255, 0.14);
            color: #FDE68A;
        }
        .official-card h2 {
            color: #fff;
            margin-bottom: 14px;
        }
        .official-card .lead-text {
            color: rgba(255, 255, 255, 0.82);
            max-width: 580px;
        }
        .official-points {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
        }
        .official-points .point {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            color: #F8F8FF;
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .official-points .point i {
            color: #FDE68A;
            font-size: 13px;
        }
        .official-card .btn-accent {
            position: relative;
            z-index: 2;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-warm);
        }
        .faq-section .container {
            max-width: 1120px;
        }
        .accordion-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(31, 38, 78, 0.04);
            transition: box-shadow 0.2s ease;
        }
        .accordion-item:hover {
            box-shadow: 0 6px 16px rgba(31, 38, 78, 0.08);
        }
        .accordion-button {
            background: #fff;
            color: var(--text-main);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            border: none;
            box-shadow: none !important;
            line-height: 1.5;
        }
        .accordion-button:not(.collapsed) {
            background: #fff;
            color: #4F46E5;
            box-shadow: none;
            border-left: 4px solid var(--gold-500);
            border-radius: 14px 14px 0 0 !important;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(79, 70, 229, 0.3);
        }
        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%234F46E5' viewBox='0 0 16 16'%3E%3Cpath d='M8 4a1 1 0 0 1 1 1v2h2a1 1 0 1 1 0 2H9v2a1 1 0 1 1-2 0V9H5a1 1 0 1 1 0-2h2V5a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
            transition: transform 0.2s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .accordion-body {
            padding: 0 20px 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            border-left: 4px solid var(--gold-500);
            margin-left: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #4F46E5 0%, #6D5BFF 55%, #8B5CF6 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            left: -120px;
            top: -120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-section::after {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            right: -60px;
            bottom: -80px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.14);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn-accent {
            font-size: 17px;
            padding: 14px 40px;
        }
        .cta-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 24px;
        }
        .cta-tags span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 13px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }
        .cta-tags span i {
            color: #FDE68A;
        }

        /* ===== Footer ===== */
        .footer {
            background: #1D1A5E;
            color: #A9ABD8;
            padding: 56px 0 0;
            border-top: 2px solid rgba(245, 158, 11, 0.7);
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--gradient-gold);
            color: #1D1A5E;
            font-size: 17px;
            flex-shrink: 0;
        }
        .footer-desc {
            font-size: 14px;
            color: #A9ABD8;
            max-width: 420px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            color: #A9ABD8;
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 20px 0 24px;
            font-size: 13px;
            color: #7D7FB0;
        }
        .footer-bottom a {
            color: #A9ABD8;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .navbar-wrap {
                justify-content: flex-end;
            }
            .nav-sides {
                display: none;
            }
            .navbar-toggler {
                display: flex;
            }
            .navbar-brand {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                font-size: 16px;
            }
            .mobile-nav.open {
                display: flex;
                flex-direction: column;
                padding: 12px 20px 20px;
                background: #1D1A5E;
                gap: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .mobile-nav a {
                color: #E8E8F0;
                padding: 12px 16px;
                border-radius: 12px;
                font-size: 15px;
            }
            .mobile-nav a:hover,
            .mobile-nav a.active {
                background: rgba(255, 255, 255, 0.1);
                color: #fff;
            }
            .mobile-nav .nav-cta-mobile {
                margin-top: 8px;
                text-align: center;
                color: #1D1A5E;
                background: var(--gradient-gold);
                border-radius: var(--radius-pill);
            }
            .cat-hero {
                padding: 56px 0 48px;
            }
            .hero-panel {
                margin-top: 24px;
            }
            .block-image {
                height: 280px;
            }
            .official-card {
                padding: 36px 28px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 767.98px) {
            .navbar-brand .brand-text {
                font-size: 14px;
                white-space: normal;
                line-height: 1.3;
                max-width: 160px;
                text-align: left;
            }
            .navbar-brand {
                gap: 8px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .cat-hero h1 {
                font-size: 26px;
            }
            .cat-hero .hero-sub {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .security-item {
                flex-direction: column;
                gap: 10px;
                padding: 20px;
            }
            .official-card {
                text-align: center;
            }
            .official-points {
                justify-content: center;
            }
            .cta-section {
                padding: 52px 0;
            }
            .cta-tags {
                flex-direction: column;
                align-items: center;
                gap: 8px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .navbar-wrap {
                padding: 10px 16px;
            }
        }