/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --ink: #101B2B;
  --ink-2: #17263A;
  --primary: #BDEC37;
  --cta: #FF6B2C;
  --success: #12B76A;
  --warning: #F79009;
  --bg: #F5F6F8;
  --text: #1A2230;
  --text-secondary: #6B7A90;
  --border: #E5E9EB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 10px rgba(16,27,43,.06);
  --shadow-lg: 0 16px 40px rgba(16,27,43,.12);
  --shadow-cta: 0 8px 24px rgba(255,107,44,.35);
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num: "DIN Alternate","Bebas Neue","Roboto Condensed",Arial,sans-serif;
  --transition: 200ms ease;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
button:focus, input:focus, select:focus, textarea:focus { outline: none; }

/* ============ 通用容器 ============ */
.container-x {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 96px 0; }
.section-title {
  font-size: clamp(1.5rem, 2.2vw + .5rem, 2.25rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-title .hl { color: var(--primary); }
.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 560px;
}
.text-center { text-align: center; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .5px;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.2);
}
.btn-cta {
  background: linear-gradient(180deg, #FF7A3D 0%, #FF6B2C 100%);
  color: #fff;
}
.btn-cta:hover {
  background: linear-gradient(180deg, #FF8A54 0%, #FF6B2C 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-cta);
}
.btn-ghost {
  background: rgba(189,236,55,.1);
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-ghost:hover {
  background: rgba(189,236,55,.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(189,236,55,.18);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  height: 44px;
  padding: 0 22px;
  font-weight: 600;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(189,236,55,.15);
}
.btn-sm {
  height: 40px;
  padding: 0 18px;
  font-size: 14px;
}
.btn-lg { height: 56px; padding: 0 44px; font-size: 17px; }

/* ============ 标签 ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 14px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}
.badge-green { background: var(--primary); color: var(--ink); }
.badge-orange { background: var(--cta); color: #fff; }
.badge-dark { background: rgba(16,27,43,.7); color: var(--primary); border: 1px solid rgba(189,236,55,.4); }

/* ============ 导航 Header ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(16,27,43,.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  height: 72px;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.3); }
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 10px;
  height: 36px;
  background: var(--primary);
  transform: skewX(-15deg);
  display: inline-block;
  border-radius: 2px;
}
.logo-text {
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  letter-spacing: .5px;
  line-height: 1;
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  margin-right: 24px;
}
.main-nav a {
  position: relative;
  display: block;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,.78);
  transition: color var(--transition);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 250ms ease;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { width: 100%; }
.main-nav a.active { color: var(--primary); font-weight: 700; }
.main-nav a.active::after { width: 100%; }
.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.header-cta .btn { height: 40px; padding: 0 20px; font-size: 14px; }
.btn-login {
  background: rgba(189,236,55,.08);
  border: 1px solid rgba(189,236,55,.5);
  color: var(--primary);
  border-radius: var(--radius-sm);
  height: 40px;
  padding: 0 22px;
  font-weight: 600;
  transition: all var(--transition);
}
.btn-login:hover { background: rgba(189,236,55,.18); transform: translateY(-1px); }
.btn-register {
  background: linear-gradient(180deg, #FF7A3D, #FF6B2C);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  height: 40px;
  padding: 0 22px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 4px 14px rgba(255,107,44,.3);
  transition: all var(--transition);
}
.btn-register:hover { transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 8px 24px rgba(255,107,44,.4); }
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  z-index: 1101;
}
.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 300ms ease;
}
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ 移动端抽屉 ============ */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 300px;
  height: 100vh;
  background: var(--ink);
  z-index: 1100;
  transform: translateX(100%);
  transition: transform 300ms ease;
  padding: 96px 32px 32px;
  box-shadow: -10px 0 40px rgba(0,0,0,.4);
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer .mobile-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.mobile-drawer .mobile-cta .btn { flex: 1; min-height: 44px; }
.mobile-drawer .drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-drawer .drawer-nav a {
  padding: 14px 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: color var(--transition);
}
.mobile-drawer .drawer-nav a:hover,
.mobile-drawer .drawer-nav a.active { color: var(--primary); }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1090;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
  backdrop-filter: blur(2px);
}
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* ============ Hero ============ */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  min-height: 720px;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(16,27,43,.94) 0%, rgba(16,27,43,.82) 50%, rgba(16,27,43,.45) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(189,236,55,.18) 0%, transparent 70%);
  pointer-events: none;
}
.hero .row { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 620px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(189,236,55,.12);
  border: 1px solid rgba(189,236,55,.35);
  color: var(--primary);
  border-radius: 40px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero-badge i { font-size: 14px; }
.hero h1 {
  font-size: clamp(2rem, 3.5vw + 1rem, 3rem);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--primary); }
.hero-sub {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255,255,255,.75);
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hero-stats .stat-item .stat-num {
  font-family: var(--font-num);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.hero-stats .stat-item .stat-label {
  font-size: 13px;
  color: rgba(255,255,255,.55);
  letter-spacing: 1px;
}
.hero-card-wrap {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.hero-promo-card {
  position: relative;
  width: 380px;
  background: var(--ink-2);
  border: 1px solid rgba(189,236,55,.3);
  border-radius: var(--radius-lg);
  transform: skewX(-4deg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,.5);
}
.hero-promo-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transform: skewX(4deg) scale(1.05);
}
.hero-promo-card .promo-body {
  padding: 24px 28px 28px;
  transform: skewX(4deg);
}
.hero-promo-card .promo-tag {
  position: absolute;
  top: 14px;
  left: -40px;
  background: var(--cta);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 44px;
  transform: rotate(-35deg);
  z-index: 3;
  box-shadow: 0 4px 12px rgba(255,107,44,.4);
}
.hero-promo-card .promo-title {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.hero-promo-card .promo-sub {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
  margin-bottom: 16px;
}
.hero-promo-card .promo-price {
  font-family: var(--font-num);
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}
.hero-promo-card .promo-price small {
  font-size: 1rem;
  color: rgba(255,255,255,.5);
  margin-right: 4px;
}
.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.4);
  font-size: 12px;
  letter-spacing: 2px;
  z-index: 3;
}
.hero-scroll .mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(255,255,255,.3);
  border-radius: 12px;
  position: relative;
}
.hero-scroll .mouse::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  width: 3px;
  height: 6px;
  background: var(--primary);
  border-radius: 2px;
  transform: translateX(-50%);
  animation: scrollWheel 1.6s infinite;
}
@keyframes scrollWheel {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 18px; }
}

/* ============ 优惠阶梯 ============ */
.promo-tier {
  background: var(--ink-2);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}
.promo-tier::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(189,236,55,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(189,236,55,.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.promo-tier::after {
  content: "";
  position: absolute;
  bottom: -160px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(189,236,55,.12) 0%, transparent 65%);
  pointer-events: none;
}
.tier-header { margin-bottom: 48px; position: relative; z-index: 2; }
.tier-header .section-title { color: #fff; }
.tier-header .section-desc { color: rgba(255,255,255,.55); margin-left: auto; }
.tier-cards {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 28px;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}
.tier-card {
  flex: 1;
  min-width: 240px;
  max-width: 300px;
  background: rgba(16,27,43,.7);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.tier-card:hover {
  transform: translateY(-8px);
  border-color: rgba(189,236,55,.4);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}
.tier-card.middle {
  transform: translateY(-24px);
  background: rgba(16,27,43,.85);
  border: 2px solid var(--primary);
  box-shadow: 0 16px 50px rgba(189,236,55,.1);
  min-height: 360px;
}
.tier-card.middle:hover { transform: translateY(-28px); }
.tier-card .tier-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cta);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 20px;
  letter-spacing: 1px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(255,107,44,.4);
}
.tier-card .tier-name {
  font-size: 18px;
  font-weight: 700;
  color: rgba(255,255,255,.85);
  margin-bottom: 12px;
}
.tier-card .tier-num {
  font-family: var(--font-num);
  font-size: 3.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 16px;
}
.tier-card .tier-num small {
  font-size: 1rem;
  color: rgba(255,255,255,.5);
  margin-right: 4px;
  font-family: var(--font-cn);
}
.tier-card .tier-desc {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
}
.tier-card .tier-desc li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}
.tier-card .tier-desc li i { color: var(--primary); font-size: 12px; margin-top: 5px; }

/* ============ 套餐对比 ============ */
.package-section {
  background: var(--bg);
  padding: 96px 0;
}
.package-section .section-header { text-align: center; margin-bottom: 56px; }
.package-section .section-header .section-desc { margin: 0 auto; }
.package-cards {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.package-card {
  flex: 1;
  min-width: 260px;
  max-width: 320px;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.package-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(189,236,55,.5);
}
.package-card .pkg-top-bar { height: 4px; }
.package-card .pkg-top-bar.bar-orange { background: var(--cta); }
.package-card .pkg-top-bar.bar-green { background: var(--primary); }
.package-card .pkg-top-bar.bar-gray { background: #CBD5E1; }
.package-card.featured {
  background: var(--ink);
  border: 2px solid var(--primary);
  transform: translateY(-12px);
  box-shadow: 0 20px 50px rgba(16,27,43,.2);
}
.package-card.featured:hover { transform: translateY(-16px); }
.package-card .hot-tag {
  position: absolute;
  top: 16px;
  right: -36px;
  background: var(--cta);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 40px;
  transform: rotate(38deg);
  z-index: 2;
  box-shadow: 0 4px 12px rgba(255,107,44,.35);
}
.package-card .pkg-body { padding: 28px 28px; }
.package-card .pkg-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.package-card.featured .pkg-name { color: #fff; }
.package-card .pkg-price {
  font-family: var(--font-num);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 20px;
}
.package-card.featured .pkg-price { color: var(--primary); }
.package-card .pkg-price small {
  font-size: .875rem;
  font-weight: 400;
  color: var(--text-secondary);
  font-family: var(--font-cn);
  margin-left: 4px;
}
.package-card .pkg-list { margin-bottom: 24px; }
.package-card .pkg-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,.04);
}
.package-card .pkg-list li:last-child { border-bottom: none; }
.package-card.featured .pkg-list li { color: rgba(255,255,255,.8); border-color: rgba(255,255,255,.08); }
.package-card .pkg-list li i { font-size: 14px; margin-top: 4px; }
.package-card .pkg-list li .fa-check { color: var(--success); }
.package-card .pkg-list li .fa-times { color: #CBD5E1; }
.package-card.featured .pkg-list li .fa-check { color: var(--primary); }
.package-card .pkg-btn {
  width: 100%;
  height: 48px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.package-card .pkg-btn.btn-ghost-dark {
  background: rgba(16,27,43,.06);
  color: var(--text);
}
.package-card .pkg-btn.btn-ghost-dark:hover { background: rgba(16,27,43,.1); }
.package-card.featured .pkg-btn {
  background: linear-gradient(180deg, #FF7A3D, #FF6B2C);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255,107,44,.35);
}
.package-card.featured .pkg-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(255,107,44,.45); }
.package-card .pkg-btn.btn-outline-dark {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.package-card .pkg-btn.btn-outline-dark:hover { border-color: var(--primary); background: rgba(189,236,55,.1); }

/* ============ 限时入口 ============ */
.limited-section {
  background: var(--ink);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}
.limited-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at right center, rgba(255,107,44,.18) 0%, transparent 60%);
  pointer-events: none;
}
.limited-section::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,.015) 20px, rgba(255,255,255,.015) 22px);
  pointer-events: none;
}
.limited-content { position: relative; z-index: 2; }
.limited-content .section-title { color: #fff; }
.limited-content .section-title .accent { color: var(--cta); }
.limited-desc {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 460px;
}
.countdown-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.countdown-box {
  background: rgba(16,27,43,.75);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm);
  width: 72px;
  height: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}
.countdown-box .cd-num {
  font-family: var(--font-num);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
.countdown-box .cd-label {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  letter-spacing: 1px;
}
.countdown-sep {
  font-family: var(--font-num);
  font-size: 1.75rem;
  color: rgba(255,255,255,.3);
  margin-top: -20px;
}
.limited-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 44px;
  background: linear-gradient(180deg, #FF7A3D, #FF6B2C);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 30px rgba(255,107,44,.4), inset 0 1px 0 rgba(255,255,255,.2);
  transition: all var(--transition);
  min-width: 260px;
  justify-content: center;
}
.limited-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(255,107,44,.5), inset 0 1px 0 rgba(255,255,255,.2);
}
.limited-cta i { font-size: 20px; }
.limited-section .cta-side {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.limited-section .cta-side .glow-card {
  background: rgba(16,27,43,.6);
  border: 1px solid rgba(255,107,44,.25);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 360px;
  text-align: center;
  position: relative;
}
.limited-section .cta-side .glow-card::after {
  content: "";
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--cta);
  border-radius: 4px;
}
.limited-section .cta-side .glow-card h4 {
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}
.limited-section .cta-side .glow-card p {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  line-height: 1.6;
}

/* ============ 最新资讯 CMS ============ */
.news-section { background: var(--bg); padding: 96px 0; }
.news-section .section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 44px;
  flex-wrap: wrap;
  gap: 16px;
}
.news-view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 40px;
  transition: all var(--transition);
}
.news-view-all:hover {
  color: var(--text);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(189,236,55,.15);
}
.news-view-all i { font-size: 13px; }
.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .news-grid { grid-template-columns: 1fr; }
}
.news-card-large {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
  display: block;
}
.news-card-large:hover {
  box-shadow: var(--shadow-lg);
  border-color: rgba(189,236,55,.6);
  transform: translateY(-4px);
}
.news-card-large .large-cover {
  position: relative;
  height: 240px;
  overflow: hidden;
}
.news-card-large .large-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}
.news-card-large:hover .large-cover img { transform: scale(1.05); }
.news-card-large .large-cover .cat-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--primary);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 4px;
  letter-spacing: 1px;
}
.news-card-large .large-body { padding: 24px 28px 28px; }
.news-card-large .large-body h3 {
  font-size: 1.3125rem;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 10px;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-large .large-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-large .large-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
}
.news-card-large .large-meta i { margin-right: 4px; font-size: 12px; }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-list-item {
  display: flex;
  gap: 14px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.news-list-item:hover {
  border-color: rgba(189,236,55,.5);
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}
.news-list-item img {
  width: 84px;
  height: 64px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}
.news-list-item .news-list-info { flex: 1; min-width: 0; }
.news-list-item .news-list-info h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-list-item .news-list-info span {
  font-size: 12px;
  color: var(--text-secondary);
}
.news-empty {
  grid-column: 1 / -1;
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  padding: 80px 20px;
  text-align: center;
  color: var(--text-secondary);
}
.news-empty i { font-size: 40px; color: #D0D8E0; margin-bottom: 12px; }
.news-empty p { font-size: 15px; }

/* ============ 分类入口带 ============ */
.category-strip { padding: 96px 0; background: #fff; }
.category-strip .section-header { text-align: center; margin-bottom: 48px; }
.category-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .category-cards { grid-template-columns: 1fr; }
}
.category-entry {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 32px 28px;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
  text-decoration: none;
  min-height: 140px;
}
.category-entry.dark-card { background: var(--ink); }
.category-entry.light-card { background: #F0F2F5; }
.category-entry.mixed-card { background: linear-gradient(135deg, var(--ink-2) 0%, var(--ink) 100%); }
.category-entry:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.category-entry .entry-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(189,236,55,.15);
  border: 1px solid rgba(189,236,55,.35);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.category-entry .entry-icon i { font-size: 22px; color: var(--primary); }
.category-entry .entry-info { flex: 1; }
.category-entry .entry-info h3 { font-size: 18px; font-weight: 800; margin-bottom: 6px; color: #fff; }
.category-entry.light-card .entry-info h3 { color: var(--text); }
.category-entry .entry-info p { font-size: 13px; color: rgba(255,255,255,.55); line-height: 1.5; }
.category-entry.light-card .entry-info p { color: var(--text-secondary); }
.category-entry .entry-arrow { font-size: 18px; color: var(--primary); flex-shrink: 0; transition: transform var(--transition); }
.category-entry:hover .entry-arrow { transform: translateX(6px); }

/* ============ FAQ ============ */
.faq-section { background: var(--bg); padding: 96px 0; }
.faq-wrap { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; }
@media (max-width: 900px) {
  .faq-wrap { grid-template-columns: 1fr; }
}
.faq-left { position: sticky; top: 100px; }
.faq-left .section-title { margin-bottom: 12px; }
.faq-left .section-desc { margin-bottom: 24px; }
.faq-left .faq-contact {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.faq-left .faq-contact:hover { border-color: var(--primary); color: var(--text); }
.faq-left .faq-contact i { color: var(--primary); }
.accordion { list-style: none; }
.accordion .accordion-item {
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.accordion .accordion-item:hover { border-color: rgba(189,236,55,.5); box-shadow: var(--shadow-sm); }
.accordion .accordion-item.is-active {
  border-color: rgba(189,236,55,.6);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.accordion .accordion-item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--primary);
  z-index: 2;
}
.accordion .accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: color var(--transition);
}
.accordion .accordion-title::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 16px;
  color: var(--text-secondary);
  transition: transform 300ms ease;
}
.accordion .accordion-item.is-active .accordion-title::after { transform: rotate(180deg); color: var(--primary); }
.accordion .accordion-content {
  padding: 0 24px 20px;
  font-size: .9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}
.accordion .accordion-item.is-active .accordion-content { display: block; }

/* ============ 咨询表单 ============ */
.contact-section {
  background: var(--ink);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}
.contact-section::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(189,236,55,.1) 0%, transparent 65%);
  pointer-events: none;
}
.contact-section .row { position: relative; z-index: 2; }
.contact-left .section-title { color: #fff; }
.contact-left .section-desc { color: rgba(255,255,255,.55); margin-bottom: 40px; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-info-item .info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(189,236,55,.1);
  border: 1px solid rgba(189,236,55,.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-item .info-icon i { color: var(--primary); font-size: 18px; }
.contact-info-item .info-text { color: #fff; }
.contact-info-item .info-text .label { font-size: 13px; color: rgba(255,255,255,.45); display: block; margin-bottom: 2px; }
.contact-info-item .info-text .value { font-size: 15px; font-weight: 600; }
.contact-form {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(10px);
}
.contact-form .form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  margin-bottom: 8px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  height: 48px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  color: #fff;
  font-size: 15px;
  transition: all var(--transition);
  margin-bottom: 20px;
}
.contact-form input:focus,
.contact-form textarea:focus {
  background: rgba(255,255,255,.12);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(189,236,55,.15);
}
.contact-form textarea { height: auto; min-height: 120px; padding: 14px 16px; resize: vertical; }
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: rgba(255,255,255,.35); }
.contact-form .submit-btn {
  width: 100%;
  height: 52px;
  background: linear-gradient(180deg, #FF7A3D, #FF6B2C);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(255,107,44,.35), inset 0 1px 0 rgba(255,255,255,.2);
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.contact-form .submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255,107,44,.45), inset 0 1px 0 rgba(255,255,255,.2);
}
.contact-form .form-note {
  font-size: 12px;
  color: rgba(255,255,255,.35);
  text-align: center;
  margin-top: 12px;
}
.form-success {
  display: none;
  padding: 12px;
  background: rgba(18,183,106,.15);
  border: 1px solid rgba(18,183,106,.4);
  border-radius: var(--radius-sm);
  color: #12B76A;
  font-size: 14px;
  text-align: center;
  margin-bottom: 16px;
}
.form-success.show { display: block; }

/* ============ 页脚 ============ */
.site-footer {
  background: #0C1524;
  padding: 72px 0 0;
  color: rgba(255,255,255,.6);
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-mark { width: 8px; height: 28px; }
.footer-logo .logo-text { font-size: 18px; }
.footer-about { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.5); max-width: 280px; }
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--primary);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: rgba(255,255,255,.55);
  transition: all var(--transition);
}
.footer-col ul li a:hover { color: var(--primary); padding-left: 6px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: rgba(255,255,255,.55);
}
.footer-contact li i { color: var(--primary); margin-top: 4px; width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.35); }
.footer-bottom a { color: rgba(255,255,255,.4); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--primary); }

/* ============ 响应式断点 ============ */
@media screen and (max-width: 1024px) {
  .section-pad { padding: 72px 0; }
  .main-nav { display: none; }
  .header-cta { display: none; }
  .mobile-toggle { display: flex; }
  .hero { min-height: 640px; padding: 120px 0 80px; }
  .hero-card-wrap { display: none; }
  .tier-cards { gap: 16px; }
  .tier-card { max-width: 280px; }
  .package-cards { gap: 16px; }
  .limited-section .cta-side { display: none; }
}
@media screen and (max-width: 768px) {
  .section-pad { padding: 56px 0; }
  .header-inner { padding: 0 16px; }
  .hero { padding: 100px 0 60px; min-height: 560px; }
  .hero h1 { font-size: clamp(1.75rem, 6vw, 2.25rem); }
  .hero-cta .btn { width: 100%; }
  .hero-stats { gap: 20px; }
  .tier-card.middle { transform: translateY(-8px); }
  .tier-card, .tier-card.middle { min-width: 100%; margin-bottom: 12px; }
  .package-card.featured { transform: translateY(-4px); }
  .package-card, .package-card.featured { max-width: 100%; }
  .faq-left { position: static; }
  .contact-form { padding: 24px; }
  .countdown-wrap { gap: 10px; }
  .countdown-box { width: 60px; height: 68px; }
  .countdown-box .cd-num { font-size: 1.75rem; }
  .limited-cta { width: 100%; min-width: 0; }
  .category-cards { grid-template-columns: 1fr; }
}
@media screen and (max-width: 520px) {
  body { font-size: 15px; }
  .section-pad { padding: 48px 0; }
  .container-x { padding: 0 16px; }
  .header-inner { padding: 0 12px; }
  .logo-text { font-size: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-promo-card { width: 100%; max-width: 320px; }
  .news-card-large .large-cover { height: 180px; }
  .news-list-item img { width: 64px; height: 52px; }
}

/* roulang page: category1 */
:root {
      --bg: #F5F6F8;
      --ink: #101B2B;
      --ink-2: #17263A;
      --ink-3: #1e2f47;
      --primary: #BDEC37;
      --primary-dark: #a8d42e;
      --cta: #FF6B2C;
      --cta-hover: #ff8350;
      --success: #12B76A;
      --warning: #F79009;
      --text: #1A2230;
      --text-secondary: #6B7A90;
      --border: #E5E9EB;
      --white: #ffffff;
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --radius-xl: 16px;
      --shadow-sm: 0 2px 10px rgba(16, 27, 43, .06);
      --shadow-lg: 0 16px 40px rgba(16, 27, 43, .12);
      --shadow-cta: 0 8px 24px rgba(255, 107, 44, .35);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
      --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
      --transition: .2s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-cn);
      font-size: 1rem;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container-x {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
    }

    .section-pad {
      padding: 96px 0;
    }

    .section-pad-sm {
      padding: 64px 0;
    }

    @media (max-width: 640px) {
      .section-pad {
        padding: 48px 0;
      }
      .section-pad-sm {
        padding: 40px 0;
      }
      .container-x {
        padding: 0 16px;
      }
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: .9375rem;
      cursor: pointer;
      border: 2px solid transparent;
      transition: all var(--transition);
      white-space: nowrap;
      line-height: 1;
      gap: 8px;
    }

    .btn-primary {
      background: var(--cta);
      color: #fff;
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2), 0 4px 12px rgba(255, 107, 44, .25);
    }

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

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: none;
    }

    .btn-ghost {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
      background: rgba(189, 236, 55, .08);
    }

    .btn-ghost:hover {
      background: rgba(189, 236, 55, .18);
      color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-outline-light {
      background: transparent;
      border: 2px solid rgba(255, 255, 255, .7);
      color: #fff;
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, .1);
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-dark {
      background: var(--ink);
      color: #fff;
      border: 2px solid var(--ink);
    }

    .btn-dark:hover {
      background: var(--ink-2);
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-lg {
      height: 52px;
      padding: 0 32px;
      font-size: 1rem;
      border-radius: var(--radius-md);
    }

    .btn-block {
      width: 100%;
    }

    .btn-sm {
      height: 38px;
      padding: 0 18px;
      font-size: .875rem;
    }

    /* ===== 标签/徽章 ===== */
    .tag {
      display: inline-flex;
      align-items: center;
      height: 28px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      font-size: .8125rem;
      font-weight: 600;
      line-height: 1;
      background: rgba(189, 236, 55, .15);
      color: var(--ink);
      gap: 4px;
    }

    .tag-primary {
      background: var(--primary);
      color: var(--ink);
    }

    .tag-cta {
      background: rgba(255, 107, 44, .12);
      color: #d3541e;
    }

    .tag-success {
      background: rgba(18, 183, 106, .12);
      color: #0b8f52;
    }

    /* ===== Header / 导航 ===== */
    .site-header {
      background: var(--ink);
      height: 72px;
      position: sticky;
      top: 0;
      z-index: 100;
      border-bottom: 1px solid rgba(255, 255, 255, .05);
      box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 24px;
    }

    .site-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 18px;
      height: 28px;
      background: var(--primary);
      transform: skewX(-12deg);
      border-radius: 2px;
      box-shadow: 0 0 12px rgba(189, 236, 55, .4);
    }

    .logo-text {
      font-size: 1.375rem;
      font-weight: 900;
      letter-spacing: .01em;
      color: #fff;
      line-height: 1;
    }

    .logo-text em {
      font-style: normal;
      color: var(--primary);
      font-weight: 900;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      margin: 0 auto;
    }

    .main-nav a {
      position: relative;
      display: inline-flex;
      align-items: center;
      height: 40px;
      padding: 0 20px;
      font-size: .9375rem;
      font-weight: 500;
      color: rgba(255, 255, 255, .78);
      border-radius: var(--radius-sm);
      transition: color var(--transition);
    }

    .main-nav a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .25s ease;
      border-radius: 2px;
    }

    .main-nav a:hover {
      color: var(--primary);
    }

    .main-nav a:hover::after {
      transform: scaleX(1);
    }

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

    .main-nav a.active::after {
      transform: scaleX(1);
    }

    .header-cta {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .header-cta .btn {
      min-width: 96px;
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      color: #fff;
      font-size: 1.5rem;
      cursor: pointer;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
    }

    .menu-toggle:hover {
      background: rgba(255, 255, 255, .08);
      color: var(--primary);
    }

    .mobile-drawer {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--ink);
      z-index: 99;
      padding: 32px 24px;
      flex-direction: column;
      gap: 8px;
      overflow-y: auto;
      transform: translateX(100%);
      transition: transform .3s ease;
    }

    .mobile-drawer.mobile-drawer--open {
      transform: translateX(0);
      display: flex;
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .mobile-nav a {
      display: block;
      padding: 14px 16px;
      font-size: 1.125rem;
      font-weight: 600;
      color: rgba(255, 255, 255, .85);
      border-radius: var(--radius-md);
      border-left: 3px solid transparent;
      transition: all var(--transition);
    }

    .mobile-nav a:hover {
      background: rgba(255, 255, 255, .06);
      color: var(--primary);
      border-left-color: var(--primary);
    }

    .mobile-nav a.active {
      color: var(--primary);
      background: rgba(189, 236, 55, .08);
      border-left-color: var(--primary);
    }

    .mobile-cta {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, .1);
    }

    @media (max-width: 1024px) {
      .main-nav {
        display: none;
      }
      .header-cta {
        display: none;
      }
      .menu-toggle {
        display: inline-flex;
      }
    }

    /* ===== Hero 横幅 ===== */
    .category-hero {
      position: relative;
      background: var(--ink);
      min-height: 320px;
      display: flex;
      align-items: center;
      overflow: hidden;
      padding: 72px 0;
    }

    .category-hero .hero-bg {
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
      opacity: .35;
    }

    .category-hero .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(16, 27, 43, .92) 20%, rgba(16, 27, 43, .35) 60%, rgba(16, 27, 43, .6) 100%);
    }

    .category-hero .hero-accent {
      position: absolute;
      right: -40px;
      top: -40px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(189, 236, 55, .15) 0%, transparent 70%);
      border-radius: 50%;
    }

    .category-hero .hero-slash {
      position: absolute;
      right: 0;
      bottom: 0;
      width: 45%;
      height: 6px;
      background: linear-gradient(90deg, transparent, var(--primary));
      transform: skewX(-20deg);
      transform-origin: right;
    }

    .category-hero .hero-content {
      position: relative;
      z-index: 2;
    }

    .category-hero .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      height: 30px;
      padding: 0 14px;
      background: rgba(189, 236, 55, .18);
      border: 1px solid rgba(189, 236, 55, .35);
      color: var(--primary);
      border-radius: var(--radius-sm);
      font-size: .8125rem;
      font-weight: 600;
      letter-spacing: .02em;
      margin-bottom: 18px;
    }

    .category-hero h1 {
      font-size: clamp(2rem, 3.5vw + 1rem, 3rem);
      font-weight: 900;
      color: #fff;
      line-height: 1.15;
      margin: 0 0 16px;
      letter-spacing: .01em;
    }

    .category-hero h1 span {
      color: var(--primary);
    }

    .category-hero .hero-sub {
      font-size: 1.0625rem;
      color: rgba(255, 255, 255, .75);
      max-width: 560px;
      line-height: 1.8;
      margin: 0 0 32px;
    }

    .category-hero .hero-cta {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    @media (max-width: 640px) {
      .category-hero {
        min-height: auto;
        padding: 56px 0;
      }
      .category-hero .hero-sub {
        font-size: .9375rem;
      }
    }

    /* ===== 数据统计条 ===== */
    .stats-strip {
      background: var(--ink-2);
      border-top: 1px solid rgba(255, 255, 255, .04);
      border-bottom: 1px solid rgba(255, 255, 255, .04);
      padding: 36px 0;
      position: relative;
    }

    .stats-strip::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: linear-gradient(rgba(189, 236, 55, .04) 1px, transparent 1px);
      background-size: 100% 60px;
      pointer-events: none;
    }

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

    .stat-item {
      text-align: center;
      padding: 8px;
    }

    .stat-item .num {
      font-family: var(--font-num);
      font-size: 2.375rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.2;
      display: block;
    }

    .stat-item .label {
      font-size: .875rem;
      color: rgba(255, 255, 255, .65);
      margin-top: 4px;
    }

    @media (max-width: 640px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
      }
      .stat-item .num {
        font-size: 2rem;
      }
    }

    /* ===== 通用板块标题 ===== */
    .section-header {
      margin-bottom: 48px;
    }

    .section-header .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .8125rem;
      font-weight: 700;
      letter-spacing: .06em;
      text-transform: uppercase;
      color: var(--cta);
      margin-bottom: 10px;
    }

    .section-header .eyebrow::before {
      content: '';
      width: 24px;
      height: 3px;
      background: var(--cta);
      border-radius: 2px;
    }

    .section-header h2 {
      font-size: clamp(1.5rem, 2.2vw + .5rem, 2.25rem);
      font-weight: 800;
      line-height: 1.25;
      color: var(--text);
      margin: 0 0 12px;
    }

    .section-header p {
      color: var(--text-secondary);
      max-width: 620px;
      margin: 0;
      font-size: 1rem;
    }

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

    .section-header.light p {
      color: rgba(255, 255, 255, .7);
    }

    .section-header.center {
      text-align: center;
    }

    .section-header.center p {
      margin-left: auto;
      margin-right: auto;
    }

    .section-header.center .eyebrow::before {
      display: none;
    }

    /* ===== 核心卖点 ===== */
    .features-section {
      background: var(--bg);
    }

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

    .feature-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
      transition: all var(--transition);
    }

    .feature-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: var(--primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .3s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(189, 236, 55, .5);
    }

    .feature-card:hover::before {
      transform: scaleX(1);
    }

    .feature-icon {
      width: 56px;
      height: 56px;
      border-radius: var(--radius-lg);
      background: rgba(189, 236, 55, .12);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.375rem;
      color: var(--ink);
      margin-bottom: 20px;
    }

    .feature-card h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 10px;
    }

    .feature-card p {
      font-size: .9375rem;
      color: var(--text-secondary);
      margin: 0;
      line-height: 1.7;
    }

    @media (max-width: 1024px) {
      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .features-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== 适用场景 ===== */
    .scenario-section {
      background: var(--ink);
      position: relative;
      overflow: hidden;
    }

    .scenario-section::before {
      content: '';
      position: absolute;
      right: -80px;
      top: -80px;
      width: 360px;
      height: 360px;
      background: radial-gradient(circle, rgba(189, 236, 55, .08) 0%, transparent 70%);
      border-radius: 50%;
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
      position: relative;
      z-index: 1;
    }

    .scenario-item {
      background: rgba(255, 255, 255, .03);
      border: 1px solid rgba(255, 255, 255, .07);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      transition: all var(--transition);
    }

    .scenario-item:hover {
      border-color: rgba(189, 236, 55, .4);
      background: rgba(255, 255, 255, .05);
      transform: translateY(-4px);
    }

    .scenario-step-num {
      font-family: var(--font-num);
      font-size: 2rem;
      font-weight: 700;
      color: rgba(189, 236, 55, .5);
      display: block;
      margin-bottom: 14px;
    }

    .scenario-item h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: #fff;
      margin: 0 0 10px;
    }

    .scenario-item p {
      font-size: .9375rem;
      color: rgba(255, 255, 255, .65);
      margin: 0;
      line-height: 1.7;
    }

    @media (max-width: 1024px) {
      .scenario-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .scenario-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== 热门赛事精选（内容卡片） ===== */
    .featured-section {
      background: var(--bg);
    }

    .featured-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .news-card {
      background: var(--white);
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
    }

    .news-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
      border-color: rgba(189, 236, 55, .5);
    }

    .news-card .card-media {
      position: relative;
      aspect-ratio: 4/3;
      overflow: hidden;
      background: var(--ink-2);
    }

    .news-card .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .news-card:hover .card-media img {
      transform: scale(1.05);
    }

    .news-card .card-media .card-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 1;
      height: 26px;
      padding: 0 12px;
      border-radius: var(--radius-sm);
      background: var(--primary);
      color: var(--ink);
      font-size: .78rem;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      line-height: 1;
      box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
    }

    .news-card .card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .news-card .card-body h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--text);
      line-height: 1.4;
      margin: 0 0 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card .card-body p {
      font-size: .9375rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin: 0 0 16px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex: 1;
    }

    .news-card .card-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: .8125rem;
      color: var(--text-secondary);
      border-top: 1px solid var(--border);
      padding-top: 16px;
      margin-top: auto;
    }

    .news-card .card-meta i {
      font-size: .75rem;
      opacity: .8;
    }

    .news-card .card-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    @media (max-width: 640px) {
      .featured-cards {
        grid-template-columns: 1fr;
      }
    }

    /* ===== 服务流程 ===== */
    .process-section {
      background: var(--ink-2);
      position: relative;
      overflow: hidden;
    }

    .process-section::after {
      content: '';
      position: absolute;
      bottom: -60px;
      left: 50%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(189, 236, 55, .05) 0%, transparent 70%);
      transform: translateX(-50%);
      pointer-events: none;
    }

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

    .process-step {
      text-align: center;
      padding: 32px 20px;
      background: rgba(255, 255, 255, .03);
      border: 1px solid rgba(255, 255, 255, .06);
      border-radius: var(--radius-lg);
      transition: all var(--transition);
      position: relative;
    }

    .process-step:hover {
      border-color: rgba(189, 236, 55, .4);
      background: rgba(255, 255, 255, .05);
    }

    .process-step .step-num {
      font-family: var(--font-num);
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--primary);
      line-height: 1;
      display: block;
      margin-bottom: 14px;
    }

    .process-step .step-icon {
      font-size: 1.5rem;
      color: rgba(255, 255, 255, .8);
      margin-bottom: 16px;
    }

    .process-step h3 {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin: 0 0 8px;
    }

    .process-step p {
      font-size: .875rem;
      color: rgba(255, 255, 255, .6);
      margin: 0;
      line-height: 1.6;
    }

    @media (max-width: 1024px) {
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .process-grid {
        grid-template-columns: 1fr;
      }
    }

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

    .faq-layout {
      display: grid;
      grid-template-columns: 1fr 1.4fr;
      gap: 48px;
      align-items: start;
    }

    .faq-sidebar {
      position: sticky;
      top: 96px;
    }

    .faq-sidebar .faq-heading {
      font-size: clamp(1.5rem, 2vw + .5rem, 2rem);
      font-weight: 800;
      color: var(--text);
      line-height: 1.3;
      margin: 0 0 12px;
    }

    .faq-sidebar .faq-desc {
      color: var(--text-secondary);
      font-size: 1rem;
      line-height: 1.7;
      margin: 0 0 24px;
    }

    .faq-sidebar .faq-contact {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .875rem;
      color: var(--text-secondary);
    }

    .faq-sidebar .faq-contact i {
      color: var(--cta);
      font-size: 1rem;
    }

    .accordion {
      margin: 0;
      list-style: none;
      background: transparent;
    }

    .accordion-item {
      margin-bottom: 12px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--white);
      overflow: hidden;
      box-shadow: 0 1px 4px rgba(16, 27, 43, .03);
      transition: all var(--transition);
    }

    .accordion-item:hover {
      border-color: rgba(189, 236, 55, .5);
    }

    .accordion-item.is-active {
      border-color: rgba(189, 236, 55, .6);
      box-shadow: 0 4px 16px rgba(16, 27, 43, .06);
    }

    .accordion-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 24px;
      font-size: .9375rem;
      font-weight: 600;
      color: var(--text);
      background: transparent;
      border: none;
      cursor: pointer;
      position: relative;
      transition: all var(--transition);
      gap: 16px;
    }

    .accordion-title:hover {
      color: var(--ink);
    }

    .accordion-title::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: var(--primary);
      transform: scaleY(0);
      transition: transform .25s ease;
      border-radius: 0 2px 2px 0;
    }

    .accordion-item.is-active .accordion-title::before {
      transform: scaleY(1);
    }

    .accordion-title .accordion-icon {
      flex-shrink: 0;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(189, 236, 55, .1);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: .75rem;
      color: var(--ink);
      transition: all .25s ease;
    }

    .accordion-item.is-active .accordion-title .accordion-icon {
      background: var(--primary);
      transform: rotate(180deg);
    }

    .accordion-content {
      padding: 0 24px 20px;
      border-top: none;
      color: var(--text-secondary);
      font-size: .9375rem;
      line-height: 1.75;
    }

    @media (max-width: 1024px) {
      .faq-layout {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .faq-sidebar {
        position: static;
      }
    }

    /* ===== CTA ===== */
    .cta-section {
      background: var(--ink);
      position: relative;
      overflow: hidden;
      padding: 80px 0;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      right: -100px;
      top: -100px;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255, 107, 44, .15) 0%, transparent 70%);
      border-radius: 50%;
    }

    .cta-section::after {
      content: '';
      position: absolute;
      left: -80px;
      bottom: -80px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(189, 236, 55, .08) 0%, transparent 70%);
      border-radius: 50%;
    }

    .cta-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 680px;
      margin: 0 auto;
    }

    .cta-content h2 {
      font-size: clamp(1.75rem, 2.5vw + .75rem, 2.5rem);
      font-weight: 900;
      color: #fff;
      line-height: 1.3;
      margin: 0 0 14px;
    }

    .cta-content p {
      font-size: 1.0625rem;
      color: rgba(255, 255, 255, .7);
      margin: 0 0 32px;
      line-height: 1.7;
    }

    .cta-content .btn {
      min-width: 240px;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0b1524;
      color: rgba(255, 255, 255, .7);
      padding: 64px 0 0;
      border-top: 1px solid rgba(255, 255, 255, .04);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .footer-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-logo .logo-mark {
      width: 14px;
      height: 24px;
    }

    .footer-logo .logo-text {
      font-size: 1.25rem;
    }

    .footer-about {
      font-size: .875rem;
      color: rgba(255, 255, 255, .6);
      line-height: 1.7;
      margin: 0;
      max-width: 300px;
    }

    .footer-col h4 {
      font-size: .9375rem;
      font-weight: 600;
      color: #fff;
      margin: 0 0 18px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 24px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col ul li a {
      font-size: .875rem;
      color: rgba(255, 255, 255, .65);
      transition: all var(--transition);
      line-height: 1.5;
    }

    .footer-col ul li a:hover {
      color: var(--primary);
    }

    .footer-col .footer-contact li {
      font-size: .875rem;
      color: rgba(255, 255, 255, .65);
      line-height: 1.6;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    .footer-col .footer-contact li i {
      color: var(--primary);
      font-size: .875rem;
      margin-top: 4px;
      flex-shrink: 0;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 0;
      gap: 16px;
      flex-wrap: wrap;
    }

    .footer-bottom p {
      margin: 0;
      font-size: .8125rem;
      color: rgba(255, 255, 255, .45);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, .45);
      transition: color var(--transition);
    }

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

    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 640px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }
      .footer-about-col {
        grid-column: 1 / -1;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    /* ===== 焦点可访问性 ===== */
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
      box-shadow: 0 0 0 4px rgba(189, 236, 55, .2);
    }

    /* ===== 基础动画 ===== */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .fade-up {
      animation: fadeUp .6s ease both;
    }

    .fade-up.delay-1 {
      animation-delay: .1s;
    }

    .fade-up.delay-2 {
      animation-delay: .2s;
    }

    .fade-up.delay-3 {
      animation-delay: .3s;
    }

    /* Foundation accordion 内容调整 */
    .accordion .accordion-item .accordion-title {
      border-bottom: 1px solid transparent;
    }

    .accordion .accordion-item.is-active .accordion-title {
      border-bottom-color: var(--border);
    }

    .accordion .accordion-item .accordion-content {
      border-top: 0;
    }

/* roulang page: article */
:root {
      --bg: #F5F6F8;
      --ink: #101B2B;
      --ink-2: #17263A;
      --ink-3: #0B1626;
      --primary: #BDEC37;
      --cta: #FF6B2C;
      --success: #12B76A;
      --warning: #F79009;
      --text: #1A2230;
      --text-secondary: #6B7A90;
      --border: #E5E9EB;
      --radius-btn: 8px;
      --radius-tag: 4px;
      --radius-card: 12px;
      --radius-lg: 16px;
      --shadow-card: 0 2px 10px rgba(16,27,43,.06);
      --shadow-hover: 0 16px 40px rgba(16,27,43,.12);
      --shadow-cta: 0 8px 24px rgba(255,107,44,.35);
      --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
      --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
      --transition: 200ms ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-cn);
      background: var(--bg);
      color: var(--text);
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    ul,
    ol {
      list-style: none;
    }

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

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
      box-shadow: 0 0 0 6px rgba(189, 236, 55, .15);
    }

    .container-x {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-btn);
      font-weight: 700;
      font-size: .9375rem;
      line-height: 1;
      border: 0;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-cta {
      background: var(--cta);
      color: #fff;
      box-shadow: inset 0 2px 0 rgba(255, 255, 255, .25), 0 4px 12px rgba(255, 107, 44, .2);
    }

    .btn-cta:hover {
      background: #ff7c45;
      transform: translateY(-2px);
      box-shadow: var(--shadow-cta);
      color: #fff;
    }

    .btn-ghost {
      background: rgba(189, 236, 55, .12);
      border: 1px solid var(--primary);
      color: var(--primary);
    }

    .btn-ghost:hover {
      background: rgba(189, 236, 55, .22);
      color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-outline {
      border: 1px solid var(--border);
      color: var(--text);
      background: #fff;
    }

    .btn-outline:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card);
      transform: translateY(-2px);
    }

    .btn-sm {
      height: 40px;
      padding: 0 18px;
      font-size: .875rem;
    }

    .btn-lg {
      height: 52px;
      padding: 0 32px;
      font-size: 1rem;
    }

    .site-header {
      background: var(--ink);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 72px;
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      height: 72px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-mark {
      width: 12px;
      height: 24px;
      background: var(--primary);
      transform: skewX(-12deg);
      display: inline-block;
      border-radius: 2px;
      box-shadow: 0 0 12px rgba(189, 236, 55, .5);
    }

    .logo-text {
      font-size: 1.5rem;
      font-weight: 800;
      color: #fff;
      letter-spacing: 1px;
      line-height: 1;
    }

    .logo-text em {
      font-style: normal;
      color: var(--primary);
      font-weight: 900;
    }

    .main-nav {
      display: flex;
      gap: 4px;
    }

    .main-nav a {
      position: relative;
      padding: 10px 18px;
      color: #B8C4D4;
      font-size: 1rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .main-nav a::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 0;
      width: 0;
      height: 2px;
      background: var(--primary);
      transition: var(--transition);
      border-radius: 2px;
      transform: translateX(-50%);
    }

    .main-nav a:hover {
      color: #fff;
    }

    .main-nav a:hover::after {
      width: 70%;
    }

    .main-nav a.active {
      color: var(--primary);
    }

    .main-nav a.active::after {
      width: 70%;
    }

    .header-cta {
      display: flex;
      gap: 12px;
      align-items: center;
      flex-shrink: 0;
    }

    .title-bar {
      display: none;
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(16, 27, 43, .98);
      z-index: 200;
      padding: 80px 30px 40px;
      flex-direction: column;
      overflow-y: auto;
    }

    .mobile-menu.is-open {
      display: flex;
    }

    .mobile-menu .mobile-nav-link {
      color: #fff;
      font-size: 1.25rem;
      font-weight: 700;
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
      transition: var(--transition);
    }

    .mobile-menu .mobile-nav-link:hover {
      color: var(--primary);
      padding-left: 8px;
    }

    .mobile-menu .mobile-cta {
      display: flex;
      gap: 12px;
      margin-top: 28px;
    }

    .mobile-menu .mobile-cta .btn {
      flex: 1;
      height: 48px;
    }

    .mobile-close {
      position: absolute;
      top: 18px;
      right: 20px;
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      color: #fff;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      font-size: 1.2rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }

    .mobile-close:hover {
      background: rgba(255, 255, 255, .16);
      color: var(--primary);
    }

    .article-main {
      background: var(--bg);
      padding: 40px 0 80px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      font-size: .875rem;
      color: var(--text-secondary);
      margin-bottom: 24px;
      line-height: 1.4;
    }

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

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

    .breadcrumb .sep {
      color: #C0C7D0;
    }

    .breadcrumb .current {
      color: var(--text);
      font-weight: 600;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
      max-width: 320px;
    }

    .article-wrap {
      max-width: 780px;
      margin: 0 auto;
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-card);
      padding: 48px 56px;
    }

    .article-header {
      margin-bottom: 32px;
      border-bottom: 1px solid var(--border);
      padding-bottom: 24px;
    }

    .article-cat {
      display: inline-block;
      background: var(--primary);
      color: #1A2230;
      font-size: .75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-tag);
      margin-bottom: 14px;
      letter-spacing: .5px;
    }

    .article-title {
      font-size: clamp(1.6rem, 2.5vw + .8rem, 2.4rem);
      font-weight: 900;
      line-height: 1.25;
      color: var(--text);
      border-left: 4px solid var(--primary);
      padding-left: 16px;
      margin-bottom: 16px;
    }

    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      color: var(--text-secondary);
      font-size: .875rem;
    }

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

    .article-meta i {
      color: var(--primary);
      font-size: .875rem;
    }

    .article-body {
      font-size: 1rem;
      line-height: 1.9;
      color: #2A3444;
    }

    .article-body p {
      margin-bottom: 1.4em;
    }

    .article-body h2 {
      font-size: 1.5rem;
      font-weight: 800;
      margin: 2em 0 .8em;
      padding-left: 12px;
      border-left: 4px solid var(--primary);
      color: var(--ink);
      line-height: 1.4;
    }

    .article-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin: 1.8em 0 .6em;
      color: var(--ink);
      line-height: 1.4;
    }

    .article-body h3::before {
      content: "";
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 50%;
      margin-right: 10px;
      vertical-align: middle;
    }

    .article-body img {
      border-radius: 12px;
      margin: 1.5em auto;
      box-shadow: var(--shadow-card);
    }

    .article-body blockquote {
      border-left: 4px solid var(--primary);
      background: #F8F9FB;
      padding: 18px 24px;
      border-radius: 0 12px 12px 0;
      color: var(--text-secondary);
      margin: 1.5em 0;
    }

    .article-body blockquote p:last-child {
      margin-bottom: 0;
    }

    .article-body ul,
    .article-body ol {
      margin: 1em 0 1.4em;
      padding-left: 0;
    }

    .article-body ul li {
      position: relative;
      padding-left: 24px;
      margin-bottom: .6em;
    }

    .article-body ul li::before {
      content: "";
      position: absolute;
      left: 4px;
      top: .72em;
      width: 8px;
      height: 8px;
      background: var(--primary);
      border-radius: 2px;
      transform: rotate(45deg);
    }

    .article-body ol {
      counter-reset: article-ol;
    }

    .article-body ol li {
      counter-increment: article-ol;
      position: relative;
      padding-left: 32px;
      margin-bottom: .6em;
    }

    .article-body ol li::before {
      content: counter(article-ol);
      position: absolute;
      left: 0;
      top: .2em;
      width: 22px;
      height: 22px;
      background: var(--primary);
      color: #1A2230;
      font-size: .75rem;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .article-body table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5em 0;
    }

    .article-body th,
    .article-body td {
      border: 1px solid var(--border);
      padding: 10px 12px;
      text-align: left;
    }

    .article-body th {
      background: var(--ink);
      color: #fff;
      font-weight: 700;
    }

    .article-body a {
      color: #3E7B00;
      text-decoration: underline;
      text-underline-offset: 4px;
      transition: var(--transition);
    }

    .article-body a:hover {
      color: #1A2230;
      text-decoration: none;
    }

    .article-body figcaption {
      text-align: center;
      color: var(--text-secondary);
      font-size: .8125rem;
      margin-top: -12px;
      margin-bottom: 1.5em;
    }

    .article-tags {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      margin-top: 36px;
      padding-top: 24px;
      border-top: 1px solid var(--border);
    }

    .article-tags span {
      font-weight: 600;
      color: var(--text-secondary);
      font-size: .875rem;
    }

    .article-tags a {
      display: inline-block;
      background: #F2F4F6;
      border: 1px solid var(--border);
      color: var(--text-secondary);
      font-size: .8125rem;
      padding: 6px 14px;
      border-radius: 999px;
      transition: var(--transition);
    }

    .article-tags a:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: #1A2230;
    }

    .article-pager {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 32px;
    }

    .pager-item {
      display: flex;
      flex-direction: column;
      gap: 6px;
      padding: 16px 20px;
      background: #F8F9FB;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      transition: var(--transition);
    }

    .pager-item:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card);
      transform: translateY(-2px);
    }

    .pager-item.next {
      text-align: right;
    }

    .pager-label {
      font-size: .75rem;
      color: var(--text-secondary);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .pager-item.next .pager-label {
      justify-content: flex-end;
    }

    .pager-text {
      font-weight: 600;
      color: var(--text);
      font-size: .9375rem;
    }

    .not-found {
      max-width: 700px;
      margin: 0 auto;
      text-align: center;
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-card);
      padding: 80px 40px;
    }

    .not-found-icon {
      font-size: 3rem;
      color: var(--warning);
      margin-bottom: 20px;
    }

    .not-found h1 {
      font-size: 1.75rem;
      font-weight: 900;
      margin-bottom: 12px;
      border: 0;
      padding: 0;
    }

    .not-found p {
      color: var(--text-secondary);
      margin-bottom: 28px;
    }

    .related-section {
      max-width: 1200px;
      margin: 60px auto 0;
    }

    .related-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 28px;
    }

    .related-title {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--ink);
      position: relative;
      padding-left: 14px;
      line-height: 1.4;
    }

    .related-title::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 22px;
      background: var(--primary);
      border-radius: 2px;
    }

    .related-more {
      font-size: .875rem;
      color: var(--text-secondary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .related-more:hover {
      color: var(--primary);
      gap: 10px;
    }

    .related-grid {
      margin: 0 auto;
      max-width: 1200px;
    }

    .rc-col {
      margin-bottom: 24px;
    }

    .rc-card {
      height: 100%;
      display: flex;
      flex-direction: column;
      background: #fff;
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .rc-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(189, 236, 55, .8);
    }

    .rc-cover {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      background: var(--ink-2);
    }

    .rc-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .rc-card:hover .rc-cover img {
      transform: scale(1.05);
    }

    .rc-tag {
      position: absolute;
      left: 12px;
      top: 12px;
      background: var(--primary);
      color: #1A2230;
      font-size: .75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: var(--radius-tag);
      letter-spacing: .5px;
    }

    .rc-body {
      padding: 18px 20px 22px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .rc-body h3 {
      font-size: 1.0625rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: var(--transition);
    }

    .rc-card:hover .rc-body h3 {
      color: #3E7B00;
    }

    .rc-body p {
      font-size: .875rem;
      color: var(--text-secondary);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 12px;
    }

    .rc-meta {
      font-size: .8125rem;
      color: #9AA5B4;
      display: flex;
      gap: 12px;
      margin-top: auto;
    }

    .article-cta {
      margin-top: 72px;
      background: linear-gradient(135deg, rgba(16, 27, 43, .92), rgba(23, 38, 58, .88)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-hover);
    }

    .article-cta::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(255, 107, 44, .35), transparent 60%);
      pointer-events: none;
    }

    .article-cta h2 {
      color: #fff;
      font-size: clamp(1.4rem, 2vw + .5rem, 2rem);
      font-weight: 900;
      line-height: 1.3;
    }

    .article-cta p {
      color: rgba(255, 255, 255, .7);
      margin-top: 8px;
      font-size: .9375rem;
      max-width: 560px;
    }

    .article-cta .btn {
      flex-shrink: 0;
      position: relative;
      z-index: 1;
    }

    .site-footer {
      background: var(--ink);
      color: #B8C4D4;
      padding: 64px 0 0;
      border-top: 3px solid rgba(189, 236, 55, .5);
    }

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

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-about {
      font-size: .9375rem;
      line-height: 1.8;
      color: #93A1B4;
      max-width: 360px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 18px;
      position: relative;
      padding-left: 12px;
      line-height: 1.4;
    }

    .footer-col h4::before {
      content: "";
      position: absolute;
      left: 0;
      top: 4px;
      width: 4px;
      height: 16px;
      background: var(--primary);
      border-radius: 2px;
    }

    .footer-col ul {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-col li a {
      color: #93A1B4;
      font-size: .9375rem;
      transition: var(--transition);
    }

    .footer-col li a:hover {
      color: var(--primary);
      padding-left: 4px;
    }

    .footer-contact li {
      font-size: .9375rem;
      color: #93A1B4;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-contact i {
      color: var(--primary);
      width: 18px;
      text-align: center;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      padding: 20px 0;
      color: #6B7A90;
      font-size: .8125rem;
    }

    .footer-bottom a {
      color: #6B7A90;
      transition: var(--transition);
    }

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

    @media (max-width: 1023px) {
      .header-inner {
        display: none;
      }

      .site-header {
        height: auto;
        flex-wrap: wrap;
      }

      .title-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: var(--ink);
        height: 56px;
        padding: 0 20px;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
      }

      .menu-toggle {
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .12);
        color: #fff;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        cursor: pointer;
        transition: var(--transition);
      }

      .menu-toggle:hover {
        background: rgba(255, 255, 255, .12);
        color: var(--primary);
      }

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

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

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

    @media (max-width: 768px) {
      .article-wrap {
        padding: 32px 28px;
      }

      .article-pager {
        grid-template-columns: 1fr;
      }

      .related-grid .rc-col {
        margin-bottom: 16px;
      }
    }

    @media (max-width: 640px) {
      .container-x {
        padding: 0 16px;
      }

      .article-main {
        padding: 24px 0 56px;
      }

      .article-wrap {
        padding: 24px 20px;
        border-radius: 12px;
      }

      .article-title {
        font-size: 1.5rem;
        padding-left: 12px;
        border-left-width: 3px;
      }

      .article-meta {
        gap: 12px;
        font-size: .8125rem;
        flex-direction: column;
        gap: 6px;
      }

      .article-body {
        font-size: .9375rem;
      }

      .article-body h2 {
        font-size: 1.3rem;
      }

      .related-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
      }

      .article-cta {
        padding: 32px 24px;
        margin-top: 56px;
        border-radius: 12px;
      }

      .article-cta h2 {
        font-size: 1.35rem;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

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

      .breadcrumb .current {
        max-width: 200px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
      }
    }

/* roulang page: category2 */
:root{
    --bg:#F5F6F8;
    --ink:#101B2B;
    --ink-2:#17263A;
    --primary:#BDEC37;
    --cta:#FF6B2C;
    --success:#12B76A;
    --warning:#F79009;
    --text:#1A2230;
    --text-secondary:#6B7A90;
    --border:#E5E9EB;
    --radius-sm:8px;
    --radius-md:12px;
    --radius-lg:16px;
    --shadow-card:0 2px 10px rgba(16,27,43,.06);
    --shadow-hover:0 16px 40px rgba(16,27,43,.12);
    --shadow-cta:0 8px 24px rgba(255,107,44,.35);
    --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
    --font-num:"DIN Alternate","Bebas Neue","Roboto Condensed",sans-serif;
    --transition:200ms ease;
  }
  *,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{font-family:var(--font-cn);background:var(--bg);color:var(--text);line-height:1.8;font-size:1rem;-webkit-font-smoothing:antialiased;}
  img{max-width:100%;display:block;}
  a{text-decoration:none;color:inherit;}
  button,input,textarea,select{font-family:inherit;font-size:inherit;}
  ul,ol{list-style:none;}
  .container-x{max-width:1200px;margin:0 auto;padding:0 24px;}
  .row{max-width:1200px;margin:0 auto;}
  .section{padding:96px 0;}
  .section-dark{background:var(--ink);color:#fff;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;}
  .section-head h2{font-size:clamp(1.5rem,2.2vw + .5rem,2.25rem);font-weight:800;line-height:1.2;}
  .section-head p{max-width:480px;color:var(--text-secondary);font-size:.9375rem;}
  .section-dark .section-head p{color:rgba(255,255,255,.55);}

  /* ===== 按钮 ===== */
  .btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 28px;border-radius:8px;font-weight:700;font-size:.9375rem;line-height:1;transition:var(--transition);cursor:pointer;border:1px solid transparent;gap:8px;}
  .btn:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
  .btn-cta{background:var(--cta);color:#fff;box-shadow:inset 0 2px 0 rgba(255,255,255,.25),0 4px 16px rgba(255,107,44,.3);}
  .btn-cta:hover{transform:translateY(-2px);box-shadow:inset 0 2px 0 rgba(255,255,255,.25),0 8px 24px rgba(255,107,44,.45);}
  .btn-outline{border-color:var(--primary);color:var(--primary);background:rgba(189,236,55,.08);}
  .btn-outline:hover{background:rgba(189,236,55,.15);transform:translateY(-2px);}
  .btn-lg{height:52px;padding:0 36px;font-size:1rem;border-radius:8px;}
  .btn-block{width:100%;}

  /* ===== 标签 ===== */
  .tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:4px;font-size:.8125rem;font-weight:700;line-height:1;}
  .tag-green{background:var(--primary);color:var(--ink);}
  .tag-orange{background:var(--cta);color:#fff;}
  .tag-gray{background:#EFF1F4;color:var(--text-secondary);}
  .tag-outline{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;}

  /* ===== Header ===== */
  .site-header{background:var(--ink);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(255,255,255,.08);}
  .header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
  .brand-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .logo-mark{width:8px;height:32px;background:var(--primary);transform:skewX(-8deg);border-radius:2px;flex-shrink:0;}
  .logo-text{font-family:var(--font-cn);font-size:1.5rem;font-weight:900;color:#fff;letter-spacing:-.5px;white-space:nowrap;}
  .logo-text em{font-style:normal;color:var(--primary);}
  .main-nav{display:flex;align-items:center;gap:2px;}
  .main-nav a{position:relative;display:inline-flex;align-items:center;height:48px;padding:0 18px;font-size:.9375rem;color:rgba(255,255,255,.75);font-weight:600;transition:color var(--transition);}
  .main-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--primary);transition:width var(--transition);}
  .main-nav a:hover{color:#fff;}
  .main-nav a:hover::after{width:100%;}
  .main-nav a.active{color:var(--primary);}
  .main-nav a.active::after{width:100%;}
  .header-actions{display:flex;align-items:center;gap:12px;}
  .btn-login{display:inline-flex;align-items:center;justify-content:center;height:44px;min-width:120px;padding:0 22px;border:1px solid var(--primary);border-radius:8px;color:var(--primary);background:rgba(189,236,55,.08);font-weight:700;font-size:.9375rem;transition:var(--transition);}
  .btn-login:hover{background:rgba(189,236,55,.16);transform:translateY(-2px);}
  .btn-register{display:inline-flex;align-items:center;justify-content:center;height:44px;min-width:132px;padding:0 22px;background:var(--cta);color:#fff;border-radius:8px;font-weight:700;font-size:.9375rem;box-shadow:inset 0 2px 0 rgba(255,255,255,.25),0 4px 16px rgba(255,107,44,.3);transition:var(--transition);}
  .btn-register:hover{transform:translateY(-2px);box-shadow:inset 0 2px 0 rgba(255,255,255,.25),0 8px 24px rgba(255,107,44,.42);}
  .menu-toggle{display:none;width:48px;height:48px;align-items:center;justify-content:center;background:none;border:1px solid rgba(255,255,255,.2);border-radius:8px;color:#fff;font-size:1.25rem;cursor:pointer;}
  .mobile-drawer{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--ink);z-index:200;padding:24px;transform:translateX(105%);transition:transform .32s ease;display:flex;flex-direction:column;gap:24px;overflow-y:auto;}
  .mobile-drawer.open{transform:translateX(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;}
  .drawer-close{width:48px;height:48px;border:1px solid rgba(255,255,255,.2);background:none;border-radius:8px;color:#fff;font-size:1.25rem;cursor:pointer;}
  .drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;}
  .drawer-nav{display:flex;flex-direction:column;gap:4px;}
  .drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:8px;font-size:1.15rem;font-weight:600;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.08);transition:var(--transition);}
  .drawer-nav a:hover,.drawer-nav a.active{color:var(--primary);border-color:rgba(189,236,55,.35);background:rgba(189,236,55,.06);}
  .drawer-nav a i{font-size:.875rem;color:rgba(255,255,255,.35);}

  /* ===== Page Banner ===== */
  .page-banner{position:relative;background:var(--ink);color:#fff;padding:110px 0 90px;overflow:hidden;}
  .banner-bg{position:absolute;top:0;left:0;right:0;bottom:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.42;}
  .banner-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(135deg,rgba(16,27,43,.96) 0%,rgba(16,27,43,.72) 55%,rgba(23,38,58,.9) 100%);}
  .banner-content{position:relative;z-index:2;max-width:760px;}
  .banner-tag{display:inline-flex;align-items:center;height:34px;padding:0 16px;border:1px solid rgba(189,236,55,.5);background:rgba(189,236,55,.1);color:var(--primary);border-radius:4px;font-weight:700;font-size:.8125rem;letter-spacing:.04em;margin-bottom:20px;}
  .page-banner h1{font-size:clamp(2.2rem,4vw + .8rem,3.4rem);font-weight:900;line-height:1.12;margin-bottom:18px;letter-spacing:-1px;}
  .page-banner h1 em{font-style:normal;color:var(--primary);}
  .page-banner p{font-size:1.125rem;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:34px;line-height:1.85;}
  .banner-ctas{display:flex;gap:16px;flex-wrap:wrap;}

  /* ===== 优惠阶梯 ===== */
  .promo-tiers{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
  .promo-tiers::before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background-image:linear-gradient(rgba(189,236,55,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(189,236,55,.045) 1px,transparent 1px);background-size:44px 44px;pointer-events:none;}
  .promo-tiers .container-x{position:relative;z-index:1;}
  .tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center;}
  .tier-card{position:relative;background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:44px 32px 40px;min-height:340px;display:flex;flex-direction:column;transition:var(--transition);}
  .tier-card:hover{transform:translateY(-4px);border-color:rgba(189,236,55,.35);box-shadow:0 16px 40px rgba(0,0,0,.25);}
  .tier-card.recommend{border:2px solid var(--primary);transform:scale(1.04);box-shadow:0 18px 44px rgba(189,236,55,.08);}
  .tier-card.recommend:hover{transform:scale(1.04) translateY(-4px);}
  .tier-badge{position:absolute;top:-14px;right:24px;background:var(--cta);color:#fff;height:30px;padding:0 14px;border-radius:4px;font-size:.8125rem;font-weight:800;display:flex;align-items:center;box-shadow:0 6px 16px rgba(255,107,44,.35);}
  .tier-name{font-size:1.0625rem;font-weight:700;color:rgba(255,255,255,.65);margin-bottom:12px;}
  .tier-number{font-family:var(--font-num);font-size:3.5rem;font-weight:700;color:var(--primary);line-height:1;margin-bottom:6px;letter-spacing:1px;}
  .tier-number span{font-size:1.25rem;margin-left:4px;font-family:var(--font-cn);font-weight:700;}
  .tier-desc{color:rgba(255,255,255,.7);font-size:.9375rem;line-height:1.75;margin-top:12px;flex:1;}
  .tier-link{margin-top:20px;display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:.9375rem;transition:gap var(--transition);}
  .tier-link:hover{gap:12px;}
  .tier-link i{font-size:.8125rem;}

  /* ===== 方案对比 ===== */
  .compare-section{background:var(--bg);}
  .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
  .compare-card{position:relative;background:#fff;border:1px solid var(--border);border-top:4px solid #9AA5B1;border-radius:16px;padding:36px 28px 32px;box-shadow:var(--shadow-card);transition:var(--transition);}
  .compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .compare-card.featured{background:var(--ink);color:#fff;border-color:transparent;border-top:4px solid var(--primary);transform:scale(1.03);box-shadow:0 16px 44px rgba(16,27,43,.2);}
  .compare-card.featured:hover{transform:scale(1.03) translateY(-4px);}
  .compare-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--cta);color:#fff;height:30px;padding:0 16px;border-radius:4px;font-size:.8125rem;font-weight:800;display:flex;align-items:center;white-space:nowrap;box-shadow:0 6px 16px rgba(255,107,44,.35);}
  .compare-name{font-size:1.125rem;font-weight:800;margin-bottom:8px;}
  .compare-price{font-family:var(--font-num);font-size:2.6rem;font-weight:700;margin-bottom:4px;line-height:1;}
  .compare-price span{font-size:1rem;font-family:var(--font-cn);font-weight:600;color:var(--text-secondary);}
  .compare-card.featured .compare-price span{color:rgba(255,255,255,.55);}
  .compare-desc{font-size:.875rem;color:var(--text-secondary);margin:12px 0 20px;}
  .compare-card.featured .compare-desc{color:rgba(255,255,255,.6);}
  .compare-list{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;}
  .compare-list li{display:flex;align-items:flex-start;gap:10px;font-size:.9rem;line-height:1.55;}
  .compare-list li i{margin-top:2px;font-size:.875rem;width:18px;text-align:center;flex-shrink:0;}
  .compare-list li .fa-check{color:var(--success);}
  .compare-list li .fa-xmark{color:#C0C8D0;}
  .compare-card.featured .compare-list li .fa-check{color:var(--primary);}
  .compare-card .btn{margin-top:auto;}

  /* ===== 倒计时 ===== */
  .countdown-wrap{background:var(--ink);position:relative;overflow:hidden;padding:88px 0;}
  .countdown-wrap::after{content:"";position:absolute;top:-40%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,107,44,.18),transparent 65%);pointer-events:none;}
  .countdown-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr 1fr auto;gap:36px;align-items:center;}
  .countdown-text h2{font-size:clamp(1.5rem,2vw + .5rem,2.1rem);font-weight:900;line-height:1.25;margin-bottom:8px;color:#fff;}
  .countdown-text h2 em{font-style:normal;color:var(--primary);}
  .countdown-text p{color:rgba(255,255,255,.6);font-size:.9375rem;max-width:400px;}
  .countdown-timer{display:flex;gap:12px;}
  .cd-item{width:66px;height:74px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;}
  .cd-num{font-family:var(--font-num);font-size:2rem;font-weight:700;color:var(--primary);line-height:1;}
  .cd-label{font-size:.75rem;color:rgba(255,255,255,.5);}
  .countdown-cta{text-align:center;}
  .countdown-cta .btn{width:200px;}

  /* ===== 精选优惠 ===== */
  .deals-section{background:var(--bg);}
  .deals-feature{position:relative;border-radius:16px;overflow:hidden;min-height:420px;height:100%;background:var(--ink);color:#fff;box-shadow:var(--shadow-card);transition:var(--transition);display:flex;flex-direction:column;}
  .deals-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .deals-feature img{position:absolute;top:0;left:0;right:0;height:220px;width:100%;object-fit:cover;opacity:.55;}
  .deals-feature-body{position:relative;z-index:1;padding:240px 28px 28px;flex:1;display:flex;flex-direction:column;}
  .deals-feature-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap;}
  .deals-feature h3{font-size:1.4rem;font-weight:800;margin-bottom:10px;line-height:1.35;}
  .deals-feature p{color:rgba(255,255,255,.65);font-size:.9375rem;line-height:1.75;margin-bottom:16px;}
  .deals-feature-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;}
  .deals-feature-bottom time{font-size:.8125rem;color:rgba(255,255,255,.5);}
  .deals-list{display:flex;flex-direction:column;gap:16px;}
  .deal-item{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:14px;box-shadow:var(--shadow-card);transition:var(--transition);}
  .deal-item:hover{transform:translateY(-2px);border-color:rgba(189,236,55,.6);box-shadow:var(--shadow-hover);}
  .deal-thumb{width:88px;height:66px;border-radius:8px;overflow:hidden;flex-shrink:0;background:var(--ink);}
  .deal-thumb img{width:100%;height:100%;object-fit:cover;}
  .deal-info{flex:1;min-width:0;}
  .deal-tags{display:flex;gap:6px;margin-bottom:4px;flex-wrap:wrap;}
  .deal-info h4{font-size:1rem;font-weight:700;line-height:1.45;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .deal-info time{font-size:.8125rem;color:var(--text-secondary);}
  .deal-arrow{width:36px;height:36px;border-radius:8px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.8125rem;flex-shrink:0;transition:var(--transition);}
  .deal-item:hover .deal-arrow{background:var(--primary);color:var(--ink);}

  /* ===== 流程 ===== */
  .steps-section{background:var(--ink-2);color:#fff;}
  .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;}
  .step-card{position:relative;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:30px 24px 26px;transition:var(--transition);}
  .step-card:hover{transform:translateY(-4px);border-color:rgba(189,236,55,.35);}
  .step-num{font-family:var(--font-num);font-size:2.4rem;font-weight:700;color:var(--primary);line-height:1;margin-bottom:14px;}
  .step-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px;}
  .step-card p{font-size:.875rem;color:rgba(255,255,255,.58);line-height:1.65;}

  /* ===== FAQ ===== */
  .faq-section{background:var(--bg);}
  .faq-side h2{font-size:clamp(1.5rem,2.2vw + .5rem,2.1rem);font-weight:800;line-height:1.25;margin-bottom:16px;}
  .faq-side p{color:var(--text-secondary);font-size:.9375rem;max-width:300px;margin-bottom:28px;}
  .faq-side .faq-contact{display:inline-flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:.875rem;}
  .accordion{border:none;background:transparent;}
  .accordion-item{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;transition:var(--transition);}
  .accordion-item:hover{border-color:rgba(189,236,55,.6);}
  .accordion-item.is-active{border-color:var(--primary);box-shadow:var(--shadow-card);}
  .accordion-title{background:#fff;color:var(--text);font-size:1rem;font-weight:700;padding:20px 24px;border:none;position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.5;}
  .accordion-title:hover,.accordion-title:focus{background:#fff;color:var(--text);}
  .accordion-title::before,.accordion-title::after{display:none;}
  .accordion-title .faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:.8125rem;color:var(--text-secondary);transition:transform var(--transition);}
  .accordion-item.is-active .accordion-title .faq-icon{transform:rotate(180deg);background:var(--primary);color:var(--ink);}
  .accordion-content{background:#fff;padding:0 24px 22px;border-top:none;color:var(--text-secondary);font-size:.9375rem;line-height:1.75;}
  .accordion-content p{padding-top:14px;color:var(--text-secondary);}

  /* ===== CTA ===== */
  .cta-section{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
  .cta-section::before{content:"";position:absolute;top:-30%;left:10%;width:480px;height:480px;background:radial-gradient(circle,rgba(189,236,55,.07),transparent 65%);pointer-events:none;}
  .cta-section .container-x{position:relative;z-index:1;}
  .cta-box{display:grid;grid-template-columns:1.4fr .8fr;gap:40px;align-items:center;}
  .cta-box h2{font-size:clamp(1.6rem,2.4vw + .5rem,2.3rem);font-weight:900;line-height:1.25;margin-bottom:12px;}
  .cta-box h2 em{font-style:normal;color:var(--primary);}
  .cta-box p{color:rgba(255,255,255,.62);font-size:.9375rem;max-width:480px;margin-bottom:28px;}
  .cta-actions{display:flex;gap:16px;flex-wrap:wrap;}
  .cta-note{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:18px 22px;}
  .cta-note i{font-size:1.75rem;color:var(--primary);}
  .cta-note span{font-size:.8125rem;color:rgba(255,255,255,.55);line-height:1.5;}

  /* ===== Footer ===== */
  .site-footer{background:#0C1420;color:rgba(255,255,255,.65);padding:68px 0 0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);}
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-logo .logo-mark{width:8px;height:32px;background:var(--primary);transform:skewX(-8deg);border-radius:2px;}
  .footer-logo .logo-text{font-size:1.35rem;}
  .footer-about{font-size:.875rem;line-height:1.7;max-width:320px;color:rgba(255,255,255,.5);}
  .footer-col h4{color:#fff;font-size:.9375rem;font-weight:700;margin-bottom:18px;}
  .footer-col ul{display:flex;flex-direction:column;gap:12px;}
  .footer-col ul a{display:inline-block;font-size:.875rem;color:rgba(255,255,255,.6);transition:color var(--transition);}
  .footer-col ul a:hover{color:var(--primary);}
  .footer-contact li{display:flex;align-items:center;gap:10px;font-size:.875rem;color:rgba(255,255,255,.55);}
  .footer-contact i{color:var(--primary);width:18px;text-align:center;}
  .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;flex-wrap:wrap;font-size:.8125rem;color:rgba(255,255,255,.35);}
  .footer-bottom a{color:rgba(255,255,255,.4);transition:color var(--transition);}
  .footer-bottom a:hover{color:var(--primary);}

  /* ===== 响应式 ===== */
  @media(max-width:1024px){
    .section{padding:72px 0;}
    .tier-grid{gap:16px;}
    .tier-card{padding:34px 22px 30px;min-height:300px;}
    .tier-number{font-size:2.8rem;}
    .countdown-inner{grid-template-columns:1fr;gap:28px;}
    .countdown-cta{text-align:left;}
    .cta-box{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  }
  @media(max-width:768px){
    .main-nav,.header-actions{display:none;}
    .menu-toggle{display:inline-flex;}
    .section{padding:56px 0;}
    .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
    .tier-grid{grid-template-columns:1fr;align-items:stretch;}
    .tier-card.recommend{transform:none;}
    .tier-card.recommend:hover{transform:translateY(-4px);}
    .compare-grid{grid-template-columns:1fr;gap:20px;}
    .compare-card.featured{transform:none;}
    .compare-card.featured:hover{transform:translateY(-4px);}
    .deals-feature{min-height:380px;}
    .steps-grid{grid-template-columns:1fr 1fr;gap:16px;}
    .faq-side{margin-bottom:28px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
    .page-banner{padding:80px 0 64px;}
    .banner-ctas .btn{width:100%;}
  }
  @media(max-width:520px){
    .container-x{padding:0 18px;}
    .steps-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;text-align:center;}
    .deal-item{padding:12px;gap:10px;}
    .deal-thumb{width:72px;height:56px;}
    .cd-item{width:60px;height:68px;}
    .cd-num{font-size:1.6rem;}
    .countdown-cta .btn{width:100%;}
    .cta-actions .btn{width:100%;}
  }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
  --bg: #F5F6F8;
  --ink: #101B2B;
  --ink-2: #17263A;
  --primary: #BDEC37;
  --cta: #FF6B2C;
  --success: #12B76A;
  --warning: #F79009;
  --text: #1A2230;
  --text-secondary: #6B7A90;
  --border: #E5E9EB;
  --white: #ffffff;
  --font-cn: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  --font-num: "DIN Alternate","Bebas Neue","Roboto Condensed",sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 10px rgba(16,27,43,.06);
  --shadow-hover: 0 16px 40px rgba(16,27,43,.12);
  --transition: all .2s ease;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-cn);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; margin: 0; padding: 0; }
a { color: var(--text); text-decoration: none; transition: var(--transition); }
a:focus, button:focus, input:focus, textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
button { cursor: pointer; }

/* ===== 容器 ===== */
.container-x {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-cn);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
}
.btn-lg { height: 52px; padding: 0 30px; font-size: 1rem; }
.btn-md { height: 44px; padding: 0 22px; font-size: .9375rem; }
.btn-cta {
  background: var(--cta);
  color: #fff !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-cta:hover {
  background: #e85a1e;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,107,44,.35);
  color: #fff !important;
}
.btn-outline-primary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary) !important;
}
.btn-outline-primary:hover {
  background: rgba(189,236,55,.15);
  transform: translateY(-2px);
  color: var(--primary) !important;
}
.btn-outline {
  background: rgba(189,236,55,.08);
  border: 1px solid rgba(189,236,55,.55);
  color: var(--primary) !important;
}
.btn-outline:hover {
  background: rgba(189,236,55,.2);
  border-color: var(--primary);
  transform: translateY(-2px);
  color: var(--primary) !important;
}

/* ===== 标签 ===== */
.tag-green {
  display: inline-block;
  background: var(--primary);
  color: var(--ink);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: .5px;
}
.tag-cta {
  display: inline-block;
  background: rgba(255,107,44,.12);
  color: var(--cta);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
}
.tag-dark {
  display: inline-block;
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
}

/* ===== Header / 导航 ===== */
.site-header {
  background: var(--ink);
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.header-row {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 6px;
  height: 28px;
  background: var(--primary);
  transform: skewX(-12deg);
  border-radius: 2px;
  display: inline-block;
}
.logo-text {
  font-size: 1.375rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: .5px;
  line-height: 1.2;
}
.logo-text em {
  font-style: normal;
  color: var(--primary);
  font-weight: 900;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav a {
  color: rgba(255,255,255,.82);
  font-size: .9375rem;
  font-weight: 500;
  padding: 8px 16px;
  position: relative;
  border-radius: 6px;
  transition: var(--transition);
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .25s ease;
}
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { width: 100%; }
.main-nav a.active { color: var(--primary); }
.main-nav a.active::after { width: 100%; }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-cta .btn {
  min-width: 120px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-sm);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  display: block;
  border-radius: 2px;
  transition: var(--transition);
}
.mobile-menu {
  display: none;
  background: var(--ink-2);
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,.06);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-nav a {
  color: rgba(255,255,255,.85);
  font-size: 1.25rem;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-weight: 500;
}
.mobile-nav a.active { color: var(--primary); }
.mobile-cta {
  display: flex;
  gap: 12px;
  padding-top: 20px;
}
.mobile-cta .btn { flex: 1; height: 48px; font-size: .9375rem; }

/* ===== Hero 横幅 ===== */
.category-hero {
  background: linear-gradient(135deg, rgba(16,27,43,.94) 0%, rgba(16,27,43,.78) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 88px 0 96px;
  position: relative;
  overflow: hidden;
}
.category-hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(189,236,55,.18) 0%, rgba(189,236,55,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}
.category-hero .breadcrumb {
  color: rgba(255,255,255,.6);
  font-size: .875rem;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.category-hero .breadcrumb a { color: var(--primary); }
.category-hero h1 {
  font-size: clamp(2rem, 3.5vw + 1rem, 3rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: 1px;
  position: relative;
  z-index: 2;
}
.category-hero .category-hero-desc {
  color: rgba(255,255,255,.78);
  font-size: 1.0625rem;
  max-width: 600px;
  margin-bottom: 28px;
  line-height: 1.75;
  position: relative;
  z-index: 2;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

/* ===== 通用板块 ===== */
.section { padding: 96px 0; }
.section-light { background: #fff; }
.section-gray { background: var(--bg); }
.section-dark {
  background: linear-gradient(135deg, rgba(16,27,43,.97) 0%, rgba(23,38,58,.94) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: "";
  position: absolute;
  left: -80px;
  bottom: -140px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(189,236,55,.14) 0%, rgba(189,236,55,0) 70%);
  border-radius: 50%;
  pointer-events: none;
}
.section-header {
  margin-bottom: 48px;
  position: relative;
  z-index: 2;
}
.section-header .tag-green { margin-bottom: 12px; }
.section-header h2 {
  font-size: clamp(1.5rem, 2.2vw + .5rem, 2.25rem);
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--text);
  line-height: 1.2;
}
.section-header p {
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0;
  font-size: .9375rem;
}
.section-header.light h2 { color: #fff; }
.section-header.light p { color: rgba(255,255,255,.68); }

/* ===== 通栏大图精选 ===== */
.feature-guide { background: var(--bg); }
.feature-media {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}
.feature-media img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}
.feature-media .tag-green {
  position: absolute;
  top: 16px;
  left: 16px;
}
.feature-content {
  padding: 24px 0 24px 36px;
}
.feature-content h2 {
  font-size: clamp(1.35rem, 1.8vw + .5rem, 1.9rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 14px 0 16px;
  color: var(--text);
}
.feature-content > p {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: .9375rem;
}
.feature-list {
  margin-bottom: 24px;
}
.feature-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text);
  font-weight: 500;
  font-size: .9375rem;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  background: var(--primary);
  transform: skewX(-8deg);
}

/* ===== 玩法分类卡片 ===== */
.guide-cards { background: #fff; }
.guide-card {
  background: var(--bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid transparent;
}
.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}
.guide-card-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.guide-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.guide-card:hover .guide-card-img img { transform: scale(1.04); }
.guide-card-img .tag-green {
  position: absolute;
  top: 12px;
  left: 12px;
}
.guide-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.guide-card-body h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 12px 0 8px;
  line-height: 1.35;
  color: var(--text);
}
.guide-card-body p {
  font-size: .875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
  flex: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8125rem;
  color: var(--text-secondary);
  border-top: 1px dashed var(--border);
  padding-top: 12px;
}
.card-meta .fa-solid, .card-meta .fa-fire {
  color: var(--cta);
  margin-right: 4px;
}

/* ===== 四步流程 ===== */
.guide-steps { position: relative; }
.steps-grid {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.step-card {
  flex: 1 1 220px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: left;
  position: relative;
  transition: var(--transition);
}
.step-card:hover {
  background: rgba(255,255,255,.09);
  border-color: var(--primary);
  transform: translateY(-4px);
}
.step-num {
  font-family: var(--font-num);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 16px;
}
.step-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.step-card p {
  color: rgba(255,255,255,.68);
  font-size: .875rem;
  line-height: 1.7;
}

/* ===== 数据统计 ===== */
.stats-grid {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.stat-item {
  flex: 1 1 260px;
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 3px solid var(--primary);
  transition: var(--transition);
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.stat-item .stat-num {
  font-family: var(--font-num);
  font-size: 3rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}
.stat-item .stat-label {
  font-size: .9375rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

/* ===== FAQ 手风琴 ===== */
.guide-faq { background: #fff; }
.accordion { max-width: 900px; margin: 0 auto !important; }
.accordion-item {
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border) !important;
  margin-bottom: 12px !important;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item:last-child { margin-bottom: 0 !important; }
.accordion-item.is-active {
  border-left: 4px solid var(--primary) !important;
  background: #fff;
  box-shadow: var(--shadow);
}
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text) !important;
  background: transparent !important;
  border: none !important;
  line-height: 1.5;
}
.accordion-title::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free", "Font Awesome 5 Free", FontAwesome;
  font-weight: 900;
  transition: transform .25s ease;
  color: var(--text-secondary);
  font-size: .875rem;
  flex-shrink: 0;
  margin-left: 16px;
}
.accordion-item.is-active .accordion-title::after {
  transform: rotate(180deg);
  color: var(--primary);
}
.accordion-content {
  padding: 0 24px 20px !important;
  color: var(--text-secondary);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===== CTA 区块 ===== */
.site-cta {
  background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.site-cta::before {
  content: "";
  position: absolute;
  right: -100px;
  top: -100px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255,107,44,.28) 0%, rgba(255,107,44,0) 70%);
  border-radius: 50%;
}
.site-cta::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(189,236,55,.14) 0%, rgba(189,236,55,0) 70%);
  border-radius: 50%;
}
.cta-box {
  text-align: center;
  position: relative;
  z-index: 2;
}
.cta-box h2 {
  color: #fff;
  font-size: clamp(1.75rem, 2.5vw + .5rem, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.25;
}
.cta-box p {
  color: rgba(255,255,255,.7);
  margin-bottom: 32px;
  font-size: 1.0625rem;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0B1524;
  color: rgba(255,255,255,.72);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-col {
  flex: 1 1 200px;
}
.footer-about-col {
  flex: 2 1 300px;
}
.footer-logo {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}
.footer-logo .logo-text {
  font-size: 1.25rem;
}
.footer-about {
  color: rgba(255,255,255,.6);
  font-size: .875rem;
  line-height: 1.8;
  max-width: 320px;
  margin: 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  margin-top: 0;
}
.footer-col li {
  margin-bottom: 10px;
}
.footer-col a {
  color: rgba(255,255,255,.64);
  font-size: .875rem;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--primary);
  text-decoration: underline;
}
.footer-contact li {
  color: rgba(255,255,255,.64);
  font-size: .875rem;
}
.footer-contact i {
  color: var(--primary);
  margin-right: 6px;
  width: 18px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .8125rem;
  color: rgba(255,255,255,.4);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255,255,255,.4); }
.footer-bottom a:hover { color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 72px 0; }
  .feature-content { padding: 24px 0 0; }
  .feature-media img { height: 320px; }
}
@media (max-width: 768px) {
  .category-hero { padding: 60px 0 72px; }
  .category-hero h1 { font-size: 2rem; }
  .section-header { margin-bottom: 36px; }
  .feature-media img { height: 240px; }
  .steps-grid { gap: 14px; }
  .step-card { flex: 1 1 100%; }
  .footer-grid { gap: 32px; }
}
@media (max-width: 520px) {
  .container-x { padding: 0 16px; }
  .section { padding: 48px 0; }
  .category-hero { padding: 48px 0 56px; }
  .category-hero .category-hero-desc { font-size: .9375rem; }
  .hero-actions .btn { width: 100%; }
  .feature-media img { height: 200px; }
  .stat-item { flex: 1 1 100%; }
  .cta-box .btn-lg { width: 100%; }
}
@media (min-width: 1025px) {
  .mobile-menu { display: none !important; }
}