/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --bg: #0c0f14;
  --card: #131a23;
  --card-hover: #1b2431;
  --primary: #00ffa5;
  --primary-bright: #3bffba;
  --secondary: #ff2d78;
  --text: #e8edf2;
  --text-sub: #9aa5b5;
  --text-muted: #6b7688;
  --border: rgba(255,255,255,0.08);
  --success: #00d68f;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-primary: 0 0 24px rgba(0,255,165,0.15);
  --shadow-primary-lg: 0 0 40px rgba(0,255,165,0.25);
  --transition: 0.2s ease;
  --font-stack: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition), text-shadow var(--transition);
}

a:hover {
  color: var(--primary-bright);
  text-shadow: 0 0 8px rgba(0,255,165,0.35);
}

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

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

ul {
  list-style: none;
}

/* ===== 容器与板块 ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
  scroll-margin-top: 64px;
  position: relative;
}

.section-head {
  text-align: center;
  margin-bottom: 48px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 16px;
}

.section-head h2 .highlight {
  color: var(--primary);
  text-shadow: 0 0 12px rgba(0,255,165,0.3);
}

.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #0c0f14;
  box-shadow: 0 4px 14px rgba(0,255,165,0.2);
}

.btn-primary:hover {
  background: var(--primary-bright);
  color: #0c0f14;
  box-shadow: 0 0 16px rgba(0,255,165,0.4);
  transform: translateY(-2px);
  text-shadow: none;
}

.btn-outline {
  background: transparent;
  border-color: rgba(0,255,165,0.45);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(0,255,165,0.1);
  color: var(--primary-bright);
  border-color: var(--primary);
  text-shadow: 0 0 10px rgba(0,255,165,0.3);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
  border-radius: 12px;
}

.btn-block {
  width: 100%;
}

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  z-index: 1000;
  background: rgba(12, 15, 20, 0.96);
  transition: box-shadow var(--transition);
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,255,165,0.5), transparent);
}

.site-header.scrolled {
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

.logo-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--primary);
  border-radius: 8px;
  color: var(--primary);
  font-size: 16px;
  box-shadow: 0 0 10px rgba(0,255,165,0.15);
}

.logo span.brand-highlight {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0,255,165,0.3);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu > li {
  position: relative;
}

.nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
}

.nav-menu > li > a:hover {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0,255,165,0.4);
}

.nav-menu > li.active > a {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0,255,165,0.3);
}

.nav-menu > li.active > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(0,255,165,0.6);
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #131a23;
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 180px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.nav-menu > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(2px);
}

.dropdown a {
  display: block;
  padding: 10px 20px 10px 16px;
  font-size: 14px;
  color: var(--text-sub);
  border-left: 2px solid transparent;
  transition: all var(--transition);
}

.dropdown a:hover {
  color: var(--primary);
  background: rgba(0,255,165,0.05);
  border-left-color: var(--primary);
  text-shadow: 0 0 6px rgba(0,255,165,0.3);
}

.dropdown a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: rgba(0,255,165,0.05);
}

.nav-cta {
  margin-left: 8px;
}

.nav-cta .btn {
  padding: 8px 20px;
  font-size: 14px;
  height: 38px;
}

/* 汉堡按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  cursor: pointer;
  z-index: 1101;
  border-radius: 8px;
}

.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  background: var(--primary);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  background: var(--primary);
}

/* 移动端抽屉菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 15, 20, 0.98);
  z-index: 1100;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu a {
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  padding: 8px 16px;
  border-left: 3px solid transparent;
  transition: all var(--transition);
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--primary);
  border-left-color: var(--primary);
  text-shadow: 0 0 12px rgba(0,255,165,0.4);
}

.mobile-menu .btn {
  font-size: 18px;
  margin-top: 16px;
}

/* ===== Hero ===== */
.hero {
  padding: 160px 0 96px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 15% 30%, rgba(0,255,165,0.12) 0%, transparent 30%),
    radial-gradient(circle at 85% 70%, rgba(255,45,120,0.10) 0%, transparent 30%),
    var(--bg);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  color: var(--text);
}

.hero-content h1 .highlight {
  color: var(--primary);
  text-shadow: 0 0 18px rgba(0,255,165,0.35);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-sub);
  margin-bottom: 32px;
  max-width: 380px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-tags {
  display: flex;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
}

.hero-tags span {
  color: var(--text-sub);
}

.hero-visual {
  position: relative;
}

.hero-visual .hero-img {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,255,165,0.2);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0,255,165,0.08);
  position: relative;
  aspect-ratio: 4 / 3;
}

.hero-visual .hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual .hero-img::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: -12px;
  right: -12px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255,45,120,0.12);
  filter: blur(24px);
  z-index: -1;
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: rgba(0,255,165,0.4);
  box-shadow: 0 0 24px rgba(0,255,165,0.12);
  background: var(--card-hover);
  transform: translateY(-2px);
}

.feature-card.wide {
  grid-column: span 7;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.feature-card.wide .feature-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 12px;
  font-size: 20px;
}

.feature-card.vertical-group {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: transparent;
  border: none;
  padding: 0;
}

.vertical-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  transition: all var(--transition);
}

.vertical-item:hover {
  border-color: rgba(0,255,165,0.4);
  box-shadow: 0 0 20px rgba(0,255,165,0.1);
  background: var(--card-hover);
  transform: translateY(-2px);
}

.vertical-item .feature-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  font-size: 16px;
}

.feature-card.std {
  grid-column: span 4;
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,255,165,0.1);
  color: var(--primary);
  margin-bottom: 16px;
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  font-size: 18px;
}

.feature-card h3 {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-card p,
.vertical-item p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
}

/* ===== 演示区 ===== */
.showcase {
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.showcase-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.showcase-text h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 20px;
}

.showcase-text h2 .highlight {
  color: var(--primary);
  text-shadow: 0 0 12px rgba(0,255,165,0.3);
}

.showcase-text p {
  color: var(--text-sub);
  margin-bottom: 24px;
}

.showcase-list {
  margin-bottom: 32px;
}

.showcase-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  margin-bottom: 12px;
  font-size: 15px;
}

.showcase-list li i {
  color: var(--primary);
  font-size: 14px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0,255,165,0.1);
}

.showcase-visual {
  position: relative;
}

.showcase-main-img {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 10;
}

.showcase-main-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-float-img {
  position: absolute;
  bottom: -18px;
  left: -20px;
  width: 42%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid rgba(0,255,165,0.35);
  box-shadow: 0 8px 24px rgba(0,255,165,0.2);
  aspect-ratio: 4 / 3;
}

.showcase-float-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 证据区 ===== */
.proof {
  background: var(--bg);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.stat-item {
  text-align: center;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.stat-item:hover {
  border-color: rgba(0,255,165,0.3);
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary);
  text-shadow: 0 0 14px rgba(0,255,165,0.3);
  line-height: 1.2;
}

.stat-label {
  font-size: 14px;
  color: var(--text-sub);
  margin-top: 6px;
}

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

.testimonial-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
  transition: all var(--transition);
}

.testimonial-card:hover {
  border-color: rgba(0,255,165,0.3);
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}

.testimonial-card .quote-icon {
  font-size: 32px;
  color: rgba(0,255,165,0.2);
  margin-bottom: 12px;
  line-height: 1;
}

.testimonial-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.testimonial-stars {
  color: var(--primary);
  font-size: 14px;
  margin-bottom: 12px;
  letter-spacing: 2px;
  text-shadow: 0 0 8px rgba(0,255,165,0.3);
}

.testimonial-user {
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

/* ===== 价格区 ===== */
.pricing {
  background: var(--bg);
}

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

.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.pricing-card:hover {
  border-color: rgba(0,255,165,0.3);
  box-shadow: 0 0 20px rgba(0,255,165,0.08);
  transform: translateY(-2px);
}

.pricing-card.recommended {
  background: #0e161e;
  border-color: rgba(0,255,165,0.5);
  box-shadow: 0 0 32px rgba(0,255,165,0.12);
  transform: scale(1.04);
  position: relative;
  z-index: 2;
}

.pricing-card.recommended:hover {
  transform: scale(1.04) translateY(-2px);
  box-shadow: 0 0 40px rgba(0,255,165,0.18);
}

.recommend-badge {
  position: absolute;
  top: -14px;
  right: 20px;
  background: var(--secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  letter-spacing: 1px;
  box-shadow: 0 4px 14px rgba(255,45,120,0.3);
}

.pricing-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.pricing-price {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--primary);
  text-shadow: 0 0 14px rgba(0,255,165,0.25);
  line-height: 1.2;
  margin-bottom: 4px;
}

.pricing-period {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-features {
  text-align: left;
  margin-bottom: 28px;
  flex-grow: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 10px;
}

.pricing-features li i {
  color: var(--primary);
  font-size: 12px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0,255,165,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.faq-item.active {
  background: var(--card-hover);
  border-color: rgba(0,255,165,0.4);
  box-shadow: 0 0 16px rgba(0,255,165,0.08);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  user-select: none;
  transition: all var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding-bottom: 20px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.75;
  border-left: 2px solid var(--primary);
  padding-left: 16px;
}

/* ===== 资讯动态 ===== */
.news {
  background: var(--bg);
}

.news-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.news-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
}

.news-head h2 .highlight {
  color: var(--primary);
}

.view-all {
  font-size: 14px;
  color: var(--text-sub);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.view-all:hover {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0,255,165,0.4);
}

.view-all i {
  font-size: 12px;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.news-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: all var(--transition);
  overflow: hidden;
}

.news-card:hover {
  border-color: rgba(0,255,165,0.35);
  box-shadow: 0 0 20px rgba(0,255,165,0.1);
  transform: translateY(-2px);
}

.news-thumb {
  width: 120px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--card-hover);
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.03);
}

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

.news-info .badge {
  display: inline-block;
  font-size: 12px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  background: rgba(0,255,165,0.12);
  color: var(--primary);
  margin-bottom: 6px;
}

.news-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-info p {
  font-size: 13px;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.news-date {
  font-size: 12px;
  color: var(--text-muted);
}

.news-empty {
  text-align: center;
  padding: 48px 24px;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
}

.news-empty .empty-icon {
  font-size: 40px;
  margin-bottom: 12px;
  display: block;
}

.news-empty p {
  color: var(--text-sub);
  font-size: 15px;
}

/* ===== CTA ===== */
.cta-section {
  background:
    radial-gradient(circle at 30% 40%, rgba(0,255,165,0.12) 0%, transparent 35%),
    radial-gradient(circle at 70% 60%, rgba(255,45,120,0.10) 0%, transparent 35%),
    var(--bg);
  text-align: center;
  padding: 100px 24px;
}

.cta-section h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section h2 .highlight {
  color: var(--primary);
  text-shadow: 0 0 18px rgba(0,255,165,0.4);
}

.cta-section p {
  color: var(--text-sub);
  font-size: 16px;
  margin-bottom: 32px;
}

.cta-platform {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: #080b10;
  border-top: 1px solid var(--border);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 56px 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary);
  text-shadow: 0 0 6px rgba(0,255,165,0.3);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
}

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

/* ===== 浮动 CTA ===== */
.float-cta {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.float-cta.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-cta .btn {
  padding: 12px 24px;
  font-size: 14px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 20px rgba(0,255,165,0.3);
}

.float-cta .btn i {
  margin-right: 6px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    padding: 140px 0 64px;
    min-height: auto;
  }

  .hero-visual {
    max-width: 560px;
  }

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

  .feature-card.wide,
  .feature-card.vertical-group,
  .feature-card.std {
    grid-column: span 1;
  }

  .feature-card.wide {
    flex-direction: column;
  }

  .showcase-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .testimonials-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pricing-card.recommended {
    transform: none;
  }

  .pricing-card.recommended:hover {
    transform: translateY(-2px);
  }

  .news-list {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .nav-menu {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .mobile-menu a {
    font-size: 20px;
  }

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

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

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

  .stats-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .news-head {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .news-card {
    flex-direction: column;
    align-items: stretch;
  }

  .news-thumb {
    width: 100%;
    height: 100px;
  }

  .cta-section {
    padding: 64px 24px;
  }

  .float-cta {
    bottom: 20px;
    right: 20px;
  }

  .float-cta .btn {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    font-size: 16px;
    justify-content: center;
  }

  .float-cta .btn span {
    display: none;
  }

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

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-sub {
    font-size: 16px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-head p {
    font-size: 15px;
  }

  .showcase-float-img {
    left: -8px;
    bottom: -10px;
  }
}

/* roulang page: category1 */
:root {
  --bg: #0c0f14;
  --card: #131a23;
  --hover-bg: #1b2431;
  --primary: #00ffa5;
  --secondary: #ff2d78;
  --text: #e8edf2;
  --text-sub: #9aa5b5;
  --text-weak: #6b7688;
  --border: rgba(255, 255, 255, 0.08);
  --success: #00d68f;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 24px rgba(0, 255, 165, 0.15);
  --shell: 1200px;
  --gap: 24px;
  --header-h: 64px;
  --transition: 0.2s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-shadow: 0 0 8px rgba(0, 255, 165, 0.6);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

.container {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  padding: 0 32px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap;
}

.btn i {
  font-size: 15px;
}

.btn-primary {
  background: var(--primary);
  color: #0c0f14;
  border: 1px solid transparent;
}

.btn-primary:hover {
  background: #5cffc0;
  transform: translateY(-2px);
  box-shadow: 0 0 16px rgba(0, 255, 165, 0.4);
  text-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(0, 255, 165, 0.5);
}

.btn-secondary:hover {
  background: rgba(0, 255, 165, 0.1);
  box-shadow: 0 0 16px rgba(0, 255, 165, 0.2);
  transform: translateY(-2px);
  text-shadow: none;
}

.btn-lg {
  height: 56px;
  padding: 0 44px;
  font-size: 17px;
  border-radius: 12px;
}

.btn-sm {
  height: 38px;
  padding: 0 20px;
  font-size: 13px;
  border-radius: 8px;
}

/* 徽章 */
.tag {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-sub);
  background: rgba(255, 255, 255, 0.03);
  transition: var(--transition);
}

.tag:hover {
  border-color: rgba(0, 255, 165, 0.4);
  color: var(--primary);
}

.game-badge {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: rgba(0, 255, 165, 0.12);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(12, 15, 20, 0.96);
  border-bottom: 1px solid transparent;
  background-image: linear-gradient(90deg, transparent, rgba(0, 255, 165, 0.4), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: bottom;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--primary);
  border-radius: 10px;
  color: var(--primary);
  font-size: 16px;
}

.brand-highlight {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu > li {
  position: relative;
  list-style: none;
}

.nav-menu > li > a {
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 6px 2px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-menu > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 255, 165, 0.6);
  opacity: 0;
  transform: scaleX(0);
  transition: var(--transition);
}

.nav-menu > li > a:hover {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0, 255, 165, 0.6);
}

.nav-menu > li > a:hover::after,
.nav-menu > li.active > a::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-menu > li.active > a {
  color: var(--primary);
}

.dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 50;
  box-shadow: var(--shadow);
}

.nav-menu li:hover .dropdown,
.nav-menu li:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  top: calc(100% + 8px);
}

.dropdown a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  color: var(--text-sub);
  font-size: 14px;
  position: relative;
  transition: var(--transition);
}

.dropdown a:hover {
  background: var(--hover-bg);
  color: var(--primary);
  padding-left: 20px;
  text-shadow: none;
}

.dropdown a.active {
  color: var(--primary);
  background: rgba(0, 255, 165, 0.08);
}

.dropdown a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25%;
  height: 50%;
  width: 2px;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(0, 255, 165, 0.6);
  border-radius: 2px;
}

.btn-nav-download {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 22px;
  background: var(--primary);
  color: #0c0f14;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-nav-download:hover {
  background: #5cffc0;
  box-shadow: 0 0 16px rgba(0, 255, 165, 0.4);
  text-shadow: none;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  background: transparent;
  align-items: center;
  justify-content: center;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 15, 20, 0.98);
  padding: 40px 32px;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

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

.mobile-menu a {
  font-size: 24px;
  font-weight: 600;
  color: #fff;
  padding: 14px 16px;
  border-radius: 12px;
  border-left: 2px solid transparent;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--primary);
  background: rgba(0, 255, 165, 0.06);
  border-left-color: var(--primary);
  text-shadow: 0 0 12px rgba(0, 255, 165, 0.4);
}

/* 主内容 */
.main {
  padding-top: var(--header-h);
}

/* Hero */
.hero {
  position: relative;
  padding: 110px 0 96px;
  overflow: hidden;
  background: var(--bg);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  top: -20%;
  left: -8%;
  width: 45%;
  height: 65%;
  background: radial-gradient(circle, rgba(0, 255, 165, 0.16), transparent 70%);
  pointer-events: none;
}

.hero-glow-right {
  position: absolute;
  bottom: -10%;
  right: -8%;
  width: 40%;
  height: 50%;
  background: radial-gradient(circle, rgba(255, 45, 120, 0.12), transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 56px;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(255, 45, 120, 0.1);
  border: 1px solid rgba(255, 45, 120, 0.3);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin: 0 0 20px;
}

.hero h1 .highlight {
  color: var(--primary);
  text-shadow: 0 0 16px rgba(0, 255, 165, 0.4);
}

.hero-subtitle {
  color: var(--text-sub);
  font-size: 18px;
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}

.hero-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--text-weak);
  font-size: 14px;
}

.hero-tags .tag {
  color: var(--text-sub);
}

.hero-tags .tag + .tag::before {
  content: "、";
  color: var(--text-weak);
  margin-right: 8px;
}

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

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 165, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.hero-visual::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  opacity: 0.6;
}

/* 通用板块 */
.section {
  padding: 96px 0;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-head h2 .accent {
  color: var(--primary);
}

.section-head p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.8;
}

/* 卖点错落网格 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card.wide {
  grid-column: span 7;
}

.feature-card.narrow {
  grid-column: span 5;
}

.feature-card.standard {
  grid-column: span 4;
}

.feature-card:hover {
  border-color: rgba(0, 255, 165, 0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.feature-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 255, 165, 0.1);
  color: var(--primary);
  font-size: 20px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

/* 游戏卡片网格 */
.games-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}

.game-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.game-card:hover {
  border-color: rgba(0, 255, 165, 0.35);
  box-shadow: 0 0 24px rgba(0, 255, 165, 0.12);
  transform: translateY(-2px);
}

.game-cover {
  position: relative;
  overflow: hidden;
}

.game-cover img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.game-card:hover .game-cover img {
  transform: scale(1.03);
}

.game-badge {
  position: absolute;
  top: 12px;
  left: 12px;
}

.game-info {
  padding: 24px;
}

.game-info h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.game-info p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 18px;
  min-height: 46px;
}

.game-info .btn {
  width: 100%;
}

.load-more {
  text-align: center;
  margin-top: 48px;
}

.load-more .btn {
  min-width: 180px;
}

/* 适用场景 */
.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.scenario-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}

.scenario-card:hover {
  border-color: rgba(255, 45, 120, 0.35);
  box-shadow: 0 0 24px rgba(255, 45, 120, 0.12);
  transform: translateY(-2px);
}

.scenario-card i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: rgba(255, 45, 120, 0.1);
  color: var(--secondary);
  font-size: 20px;
  margin-bottom: 18px;
}

.scenario-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.scenario-card p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
}

/* 流程步骤 */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}

.step-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: rgba(0, 255, 165, 0.3);
  box-shadow: 0 0 20px rgba(0, 255, 165, 0.1);
  transform: translateY(-2px);
}

.step-num {
  display: inline-block;
  font-size: 40px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px var(--primary);
  margin-bottom: 20px;
  line-height: 1;
}

.step-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-card p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* FAQ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  background: var(--hover-bg);
  border-color: rgba(0, 255, 165, 0.3);
  border-left: 2px solid var(--primary);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  transition: var(--transition);
}

.faq-question i {
  color: var(--primary);
  font-size: 16px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-question i {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
}

.faq-answer-inner p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

/* CTA */
.cta-bar {
  position: relative;
  background: var(--bg);
  overflow: hidden;
  text-align: center;
  padding: 96px 0;
}

.cta-bar::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 255, 165, 0.18), transparent 70%);
  pointer-events: none;
}

.cta-bar::after {
  content: "";
  position: absolute;
  bottom: -40%;
  right: -10%;
  width: 60%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 45, 120, 0.14), transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-inner h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
}

.cta-inner p {
  color: var(--text-sub);
  font-size: 17px;
  max-width: 520px;
}

.cta-note {
  color: var(--text-weak);
  font-size: 13px;
}

/* 页脚 */
.site-footer {
  background: #080b10;
  border-top: 1px solid transparent;
  background-image: linear-gradient(90deg, transparent, rgba(0, 255, 165, 0.5), transparent);
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: top;
}

.footer-main {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 4px;
}

.footer-col ul li a {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 2;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0, 255, 165, 0.4);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-weak);
  font-size: 13px;
}

/* 浮动CTA */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 28px;
  z-index: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 26px;
  background: var(--primary);
  color: #0c0f14;
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0, 255, 165, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
}

.float-cta.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-cta:hover {
  background: #5cffc0;
  box-shadow: 0 0 24px rgba(0, 255, 165, 0.5);
  text-shadow: none;
}

/* 响应式 */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card.wide,
  .feature-card.narrow,
  .feature-card.standard {
    grid-column: span 1;
  }
  .scenarios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .games-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 992px) {
  .nav-menu,
  .btn-nav-download {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual {
    max-width: 560px;
  }
  .section {
    padding: 64px 0;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0 64px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .scenarios-grid {
    grid-template-columns: 1fr;
  }
  .games-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 24px 24px;
  }
  .float-cta {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    right: 16px;
    bottom: 20px;
    font-size: 16px;
  }
  .float-cta span {
    display: none;
  }
  .hero-actions .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .hero-actions {
    flex-direction: column;
  }
  .hero-subtitle {
    font-size: 16px;
  }
  .feature-card {
    padding: 24px 20px;
  }
  .game-info {
    padding: 18px;
  }
  .game-info p {
    min-height: 0;
  }
  .game-cover img {
    height: 180px;
  }
}

/* roulang page: category2 */
:root{
  --bg:#0c0f14;
  --card-bg:#131a23;
  --hover-bg:#1b2431;
  --primary:#00ffa5;
  --secondary:#ff2d78;
  --text:#e8edf2;
  --text-secondary:#9aa5b5;
  --text-muted:#6b7688;
  --border:rgba(255,255,255,0.08);
  --success:#00d68f;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-full:999px;
  --shadow-glow:0 0 24px rgba(0,255,165,0.15);
  --shadow-primary:0 0 16px rgba(0,255,165,0.4);
  --transition:0.2s ease;
  --container:1200px;
  --grid-gap:24px;
  --section-gap:96px;
  --section-gap-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:var(--transition);}
a:hover{text-shadow:0 0 8px rgba(0,255,165,0.5);}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input{font-family:inherit;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-gap) 0;}
.section-head{max-width:680px;margin-bottom:48px;}
.section-head .tag{
  display:inline-block;font-size:13px;color:var(--primary);letter-spacing:1px;
  padding:4px 14px;border:1px solid rgba(0,255,165,0.3);border-radius:var(--radius-full);
  margin-bottom:14px;background:rgba(0,255,165,0.06);
}
.section-head h2{
  font-size:clamp(1.5rem,2.5vw,2.1rem);font-weight:700;line-height:1.3;margin-bottom:16px;
}
.section-head p{color:var(--text-secondary);font-size:16px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:10px;font-size:15px;font-weight:600;
  transition:var(--transition);white-space:nowrap;border:1px solid transparent;
}
.btn-primary{
  background:var(--primary);color:#0a0e12;box-shadow:0 0 12px rgba(0,255,165,0.2);
}
.btn-primary:hover{
  background:#33ffbc;transform:translateY(-2px);
  box-shadow:0 0 16px rgba(0,255,165,0.4);text-shadow:none;
}
.btn-secondary{
  background:transparent;color:var(--primary);border-color:rgba(0,255,165,0.5);
}
.btn-secondary:hover{
  background:rgba(0,255,165,0.1);box-shadow:0 0 12px rgba(0,255,165,0.15);
  transform:translateY(-2px);text-shadow:none;
}
.btn-lg{height:56px;padding:0 40px;font-size:16px;border-radius:12px;}
/* ===== Header Nav ===== */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(12,15,20,0.96);
  border-bottom:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,var(--primary),transparent) 1;
  height:64px;
  backdrop-filter:none;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;cursor:pointer;}
.logo .logo-icon{color:var(--primary);font-size:22px;line-height:1;}
.logo .brand-highlight{color:var(--primary);}
.site-header .container{position:relative;}
.nav-menu{}
.nav-menu ul{display:flex;align-items:center;gap:24px;}
.nav-menu li{position:relative;}
.nav-menu > ul > li > a{
  display:flex;align-items:center;gap:6px;
  color:var(--text);font-size:15px;font-weight:500;padding:8px 0;line-height:1.2;
}
.nav-menu > ul > li > a:hover{color:var(--primary);text-shadow:0 0 8px var(--primary);}
.nav-menu > ul > li.active > a{color:#fff;text-shadow:none;}
.nav-menu > ul > li.active > a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);box-shadow:0 0 8px var(--primary);
  border-radius:2px;
}
.dropdown{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%);
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:8px;min-width:180px;display:none;flex-direction:column;gap:0;
  box-shadow:0 12px 32px rgba(0,0,0,0.5);
}
.dropdown::before{content:"";position:absolute;top:-10px;left:50%;transform:translateX(-50%);border-left:8px solid transparent;border-right:8px solid transparent;border-bottom:10px solid var(--border);}
.dropdown a{
  display:block;padding:10px 14px;font-size:14px;color:var(--text-secondary);
  border-radius:var(--radius-sm);border-left:2px solid transparent;white-space:nowrap;
}
.dropdown a:hover{
  color:var(--primary);background:rgba(0,255,165,0.05);
  border-left-color:var(--primary);text-shadow:none;
}
.dropdown a.active{color:var(--primary);border-left-color:var(--primary);background:rgba(0,255,165,0.06);text-shadow:0 0 8px rgba(0,255,165,0.4);}
.nav-menu li:hover .dropdown{display:flex;}
.btn-download{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 22px;background:var(--primary);color:#0a0e12;
  border-radius:10px;font-size:14px;font-weight:600;transition:var(--transition);
  white-space:nowrap;
}
.btn-download:hover{
  background:#33ffbc;box-shadow:0 0 16px rgba(0,255,165,0.4);
  transform:translateY(-2px);text-shadow:none;
}
.nav-toggle{
  display:none;width:40px;height:40px;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
/* ===== Hero ===== */
.hero{
  position:relative;padding:150px 0 96px;overflow:hidden;
  background:var(--bg);
}
.hero::before{
  content:"";position:absolute;top:-120px;left:-120px;width:480px;height:480px;
  background:radial-gradient(circle,rgba(0,255,165,0.13),transparent 65%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-100px;bottom:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,45,120,0.1),transparent 65%);
  pointer-events:none;
}
.hero-bg-grid{
  position:absolute;inset:0;pointer-events:none;opacity:0.35;
  background-image:linear-gradient(rgba(255,255,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.04) 1px,transparent 1px);
  background-size:44px 44px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.hero-content{}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  border:1px solid rgba(0,255,165,0.3);background:rgba(0,255,165,0.06);
  padding:6px 16px;border-radius:var(--radius-full);margin-bottom:22px;letter-spacing:0.5px;
}
.hero-tag i{font-size:12px;}
.hero h1{
  font-size:clamp(2.2rem,4vw,3.4rem);font-weight:800;line-height:1.25;
  margin-bottom:18px;letter-spacing:-0.5px;
}
.hero h1 .highlight{color:var(--primary);text-shadow:0 0 18px rgba(0,255,165,0.35);}
.hero-sub{font-size:17px;color:var(--text-secondary);max-width:480px;line-height:1.7;margin-bottom:32px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags span{
  font-size:13px;color:var(--text-muted);padding:6px 16px;
  border:1px solid var(--border);border-radius:var(--radius-full);
  background:rgba(255,255,255,0.02);
}
.hero-tags span i{color:var(--primary);margin-right:6px;font-size:12px;}
.hero-visual{position:relative;}
.hero-visual .main-img{
  border-radius:var(--radius-lg);border:1px solid rgba(0,255,165,0.18);
  overflow:hidden;aspect-ratio:4/3;background:var(--card-bg);
  position:relative;box-shadow:0 24px 60px rgba(0,0,0,0.4);
}
.hero-visual .main-img img{width:100%;height:100%;object-fit:cover;}
.hero-visual .main-img::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  opacity:0.7;
}
.hero-visual .glow-left{position:absolute;top:-20px;left:-20px;width:100px;height:100px;background:radial-gradient(circle,rgba(0,255,165,0.2),transparent 70%);pointer-events:none;}
.hero-visual .glow-right{position:absolute;bottom:-20px;right:-20px;width:100px;height:100px;background:radial-gradient(circle,rgba(255,45,120,0.17),transparent 70%);pointer-events:none;}
/* ===== Features ===== */
.features-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--grid-gap);}
.feature-card-wide{
  grid-column:span 7;background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:36px;transition:var(--transition);
  display:flex;flex-direction:column;gap:14px;
}
.feature-card-wide:hover{border-color:rgba(0,255,165,0.4);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.feature-stack{grid-column:span 5;display:flex;flex-direction:column;gap:var(--grid-gap);}
.feature-stack .feature-card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;display:flex;gap:18px;align-items:flex-start;transition:var(--transition);flex:1;
}
.feature-stack .feature-card:hover{border-color:rgba(0,255,165,0.4);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.feature-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;transition:var(--transition);}
.feature-card:hover{border-color:rgba(0,255,165,0.4);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.feature-icon{
  width:52px;height:52px;flex-shrink:0;border-radius:12px;
  display:flex;align-items:center;justify-content:center;font-size:20px;
  color:var(--primary);background:rgba(0,255,165,0.08);
  border:1px solid rgba(0,255,165,0.15);margin-bottom:14px;
}
.feature-card h3,.feature-card-wide h3{font-size:clamp(1.1rem,1.5vw,1.3rem);font-weight:600;margin-bottom:8px;}
.feature-card p,.feature-card-wide p{color:var(--text-secondary);font-size:15px;line-height:1.7;}
.feature-card-wide .feature-icon{margin-bottom:0;}
.feature-card-wide .feature-body{display:flex;flex-direction:column;gap:10px;}
.feature-row-standard{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap);margin-top:var(--grid-gap);}
/* ===== Showcase ===== */
.showcase{background:var(--bg);}
.showcase-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.showcase-copy h2{font-size:clamp(1.5rem,2.5vw,2.1rem);font-weight:700;line-height:1.3;margin-bottom:20px;}
.showcase-copy p{color:var(--text-secondary);margin-bottom:24px;font-size:16px;}
.showcase-list{display:flex;flex-direction:column;gap:14px;margin-bottom:32px;}
.showcase-list li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text);}
.showcase-list li i{color:var(--primary);font-size:16px;width:20px;text-align:center;}
.showcase-visual{position:relative;}
.showcase-visual .main-img{
  border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;
  aspect-ratio:16/11;background:var(--card-bg);
}
.showcase-visual .main-img img{width:100%;height:100%;object-fit:cover;}
.showcase-visual .float-img{
  position:absolute;left:-20px;bottom:-20px;width:45%;border-radius:var(--radius-md);
  border:2px solid rgba(0,255,165,0.5);box-shadow:0 0 24px rgba(0,255,165,0.25);
  overflow:hidden;background:var(--card-bg);
}
.showcase-visual .float-img img{width:100%;aspect-ratio:4/3;object-fit:cover;}
/* ===== Proof ===== */
.proof{background:var(--bg);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gap);margin-bottom:56px;}
.stat-card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 24px;text-align:center;transition:var(--transition);
}
.stat-card:hover{border-color:rgba(0,255,165,0.3);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.stat-number{font-size:clamp(1.6rem,2.5vw,2.4rem);font-weight:800;color:var(--primary);line-height:1.3;}
.stat-label{font-size:14px;color:var(--text-secondary);margin-top:6px;}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap);}
.review-card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;position:relative;transition:var(--transition);
}
.review-card::before{
  content:"“";position:absolute;top:8px;right:24px;font-size:60px;color:rgba(0,255,165,0.12);
  font-family:Georgia,serif;line-height:1;
}
.review-card:hover{border-color:rgba(0,255,165,0.3);box-shadow:var(--shadow-glow);transform:translateY(-2px);}
.review-stars{color:var(--primary);font-size:15px;margin-bottom:14px;letter-spacing:2px;}
.review-text{color:var(--text);font-size:15px;line-height:1.75;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.review-author{font-size:14px;color:var(--text-secondary);display:flex;align-items:center;gap:8px;}
.review-author i{color:var(--primary);font-size:18px;}
/* ===== FAQ ===== */
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);
  margin-bottom:14px;transition:var(--transition);overflow:hidden;
}
.faq-item.active{background:var(--hover-bg);border-color:rgba(0,255,165,0.4);box-shadow:0 0 16px rgba(0,255,165,0.08);}
.faq-question{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;font-size:16px;font-weight:500;color:var(--text);
  transition:var(--transition);text-align:left;width:100%;
}
.faq-question:hover{color:var(--primary);}
.faq-item.active .faq-question{color:var(--primary);}
.faq-icon{font-size:20px;color:var(--text-muted);transition:transform 0.3s ease;flex-shrink:0;line-height:1;}
.faq-item.active .faq-icon{transform:rotate(135deg);color:var(--primary);}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height 0.3s ease;padding:0 24px;
  color:var(--text-secondary);font-size:15px;line-height:1.75;
}
.faq-item.active .faq-answer{max-height:400px;padding-bottom:20px;border-left:2px solid var(--primary);margin-left:24px;border-radius:0 0 0 8px;}
/* ===== CTA ===== */
.cta-section{
  position:relative;padding:100px 0;text-align:center;overflow:hidden;
  background:var(--bg);
}
.cta-section::before{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:700px;height:400px;
  background:radial-gradient(circle,rgba(0,255,165,0.1),transparent 60%),
             radial-gradient(circle,rgba(255,45,120,0.07),transparent 60%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;}
.cta-inner h2{font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:700;margin-bottom:16px;}
.cta-inner p{color:var(--text-secondary);margin-bottom:36px;font-size:16px;}
.cta-inner .btn{font-size:17px;padding:0 48px;height:56px;}
.cta-platform{margin-top:16px;font-size:13px;color:var(--text-muted);}
.cta-platform i{color:var(--primary);margin-right:4px;}
/* ===== News Placeholder (not used on this page, kept minimal) ===== */
/* ===== Footer ===== */
.site-footer{background:#080b10;border-top:1px solid var(--primary);}
.footer-main{
  max-width:var(--container);margin:0 auto;padding:64px 24px 40px;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
}
.footer-brand .logo{margin-bottom:16px;font-size:18px;}
.footer-brand p{font-size:14px;color:var(--text-muted);line-height:1.8;max-width:320px;}
.footer-col h4{color:var(--text);font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul a{font-size:14px;color:var(--text-muted);line-height:2;}
.footer-col ul a:hover{color:var(--primary);text-shadow:0 0 8px rgba(0,255,165,0.4);}
.footer-bottom{
  max-width:var(--container);margin:0 auto;padding:0 24px 32px;
  border-top:1px solid rgba(255,255,255,0.06);
}
.footer-bottom p{
  font-size:13px;color:var(--text-muted);padding-top:24px;text-align:center;
}
/* ===== Floating CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:900;
  display:flex;align-items:center;gap:8px;height:48px;padding:0 22px;
  background:var(--primary);color:#0a0e12;border-radius:var(--radius-full);
  font-size:14px;font-weight:600;box-shadow:0 8px 24px rgba(0,255,165,0.3);
  transition:var(--transition);opacity:0;visibility:hidden;transform:translateY(20px);
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#33ffbc;box-shadow:0 8px 32px rgba(0,255,165,0.45);transform:translateY(-2px);text-shadow:none;}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero{padding-top:130px;}
  .hero-inner{gap:40px;}
  .showcase-grid{gap:40px;}
  .feature-card-wide{grid-column:span 12;}
  .feature-stack{grid-column:span 12;flex-direction:row;flex-wrap:wrap;}
  .feature-stack .feature-card{flex:1 1 200px;}
  .feature-row-standard{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:920px){
  .nav-menu{
    position:fixed;top:64px;left:0;right:0;background:rgba(12,15,20,0.98);
    display:none;flex-direction:column;padding:24px;border-bottom:1px solid var(--border);
  }
  .nav-menu.open{display:flex;}
  .nav-menu ul{flex-direction:column;align-items:flex-start;gap:0;width:100%;}
  .nav-menu li{width:100%;}
  .nav-menu > ul > li > a{padding:16px 0;font-size:18px;}
  .nav-menu > ul > li.active > a::after{display:none;}
  .nav-menu > ul > li.active > a{background:linear-gradient(90deg,rgba(0,255,165,0.1),transparent);border-left:3px solid var(--primary);padding-left:12px;}
  .dropdown{
    position:static;transform:none;display:block;background:transparent;
    border:none;padding:0 0 8px 16px;box-shadow:none;margin:0;
  }
  .dropdown::before{display:none;}
  .dropdown a{padding:12px 14px;font-size:15px;color:var(--text-secondary);}
  .dropdown a.active{color:var(--primary);}
  .nav-toggle{display:flex;}
  .btn-download{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero{padding-top:120px;padding-bottom:64px;}
  .showcase-grid{grid-template-columns:1fr;gap:48px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .reviews-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .feature-row-standard{grid-template-columns:1fr;}
  .feature-card-wide,.feature-stack{grid-column:span 12;}
  .feature-stack{flex-direction:column;}
  .feature-stack .feature-card{flex:auto;}
  .cta-section{padding:72px 0;}
}
@media (max-width:520px){
  .hero-inner{gap:32px;}
  .hero h1{font-size:2rem;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;gap:24px;}
  .cta-inner .btn{width:100%;}
  .float-cta{right:16px;bottom:16px;}
}

/* roulang page: article */
:root{
  --bg:#0c0f14;
  --bg-deep:#080b10;
  --card:#131a23;
  --card-hover:#1b2431;
  --primary:#00ffa5;
  --accent:#ff2d78;
  --text:#e8edf2;
  --text-sub:#9aa5b5;
  --text-dim:#6b7688;
  --border:rgba(255,255,255,.08);
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --radius-full:999px;
  --transition:.2s ease;
  --shadow-card:0 2px 8px rgba(0,0,0,.2);
  --shadow-glow:0 0 24px rgba(0,255,165,.15);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:all var(--transition)}
a:hover{color:var(--primary);text-shadow:0 0 8px rgba(0,255,165,.6)}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:10px;font-weight:600;font-size:15px;line-height:1;cursor:pointer;border:1px solid transparent;transition:all var(--transition)}
.btn-primary{background:var(--primary);color:#08131a}
.btn-primary:hover{background:#2dffb5;transform:translateY(-2px);box-shadow:0 0 16px rgba(0,255,165,.4);text-shadow:none}
.btn-ghost{background:transparent;color:var(--primary);border-color:rgba(0,255,165,.35)}
.btn-ghost:hover{background:rgba(0,255,165,.1);transform:translateY(-2px);box-shadow:0 0 12px rgba(0,255,165,.2);text-shadow:none}
.btn-lg{padding:16px 40px;font-size:17px;border-radius:12px}
.btn:disabled{opacity:.5;pointer-events:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
input,textarea,select{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 16px;color:var(--text);width:100%;transition:all var(--transition);font-size:15px}
input::placeholder,textarea::placeholder{color:var(--text-dim)}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,255,165,.15)}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;height:64px;background:rgba(12,15,20,.96);border-bottom:1px solid var(--border)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(0,255,165,.8),transparent)}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--text);letter-spacing:.5px}
.logo-icon{width:36px;height:36px;border:1px solid rgba(0,255,165,.5);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;box-shadow:0 0 12px rgba(0,255,165,.15)}
.brand-highlight{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:32px;margin:0}
.nav-menu li{position:relative;list-style:none}
.nav-menu a{color:var(--text);font-size:15px;font-weight:500;padding:18px 0;display:block}
.nav-menu a:hover{color:var(--primary);text-shadow:0 0 8px rgba(0,255,165,.8)}
.nav-menu .active>a{color:#fff;border-bottom:2px solid var(--primary);box-shadow:0 2px 8px rgba(0,255,165,.4)}
.dropdown{position:absolute;top:100%;left:0;width:190px;background:var(--card);border:1px solid var(--border);border-radius:12px;padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease;z-index:50}
.nav-menu li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 14px;border-radius:8px;color:var(--text-sub);font-size:14px;font-weight:400}
.dropdown a:hover{background:rgba(0,255,165,.08);color:var(--primary);text-shadow:none;padding-left:18px;box-shadow:inset 2px 0 0 var(--primary)}
.nav-cta{height:40px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;flex-direction:column;gap:5px;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:10px;cursor:pointer}
.nav-toggle span{width:20px;height:2px;background:var(--text);transition:all .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;z-index:90;background:rgba(12,15,20,.98);padding:32px 24px;overflow-y:auto}
.mobile-nav.is-open{display:block}
.mobile-nav a{display:block;color:var(--text);font-size:22px;font-weight:600;padding:14px 0;border-bottom:1px solid var(--border);line-height:1.4}
.mobile-nav a:hover,.mobile-nav a.active{color:var(--primary);text-shadow:0 0 10px rgba(0,255,165,.5)}
.mobile-nav-title{display:block;color:var(--text-dim);font-size:13px;padding:20px 0 8px}
.page-banner{position:relative;padding:120px 0 64px;overflow:hidden;background:var(--bg)}
.banner-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.banner-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,15,20,.6),rgba(12,15,20,.97));z-index:1}
.banner-content{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:32px}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--primary);text-shadow:none}
.breadcrumb-sep{color:var(--text-dim)}
.breadcrumb .current{color:var(--text-dim);max-width:280px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.badge{display:inline-block;padding:6px 14px;background:rgba(0,255,165,.1);border:1px solid rgba(0,255,165,.3);color:var(--primary);font-size:13px;border-radius:var(--radius-full);font-weight:600}
.article-head h1{font-size:clamp(2rem,3.5vw,2.6rem);font-weight:800;margin:18px 0 16px;max-width:880px;letter-spacing:.5px;line-height:1.25}
.article-meta{display:flex;align-items:center;gap:24px;color:var(--text-sub);font-size:13px;margin-top:20px;flex-wrap:wrap}
.article-meta i{margin-right:6px;color:var(--primary)}
.article-section{padding:60px 0 40px}
.article-layout{max-width:780px;margin:0 auto}
.article-cover{margin-bottom:32px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
.article-cover img{width:100%;max-height:420px;object-fit:cover}
.article-content{color:var(--text);font-size:16px;line-height:1.85}
.article-content p{margin:1.2em 0}
.article-content h2,.article-content h3,.article-content h4{margin:28px 0 14px;color:#fff;line-height:1.4;padding-left:12px;border-left:2px solid var(--primary);box-shadow:-2px 0 8px -2px rgba(0,255,165,.3)}
.article-content h2{font-size:1.5rem}
.article-content h3{font-size:1.2rem}
.article-content ul,.article-content ol{margin:1.2em 0;padding-left:1.5em}
.article-content ul li{list-style:disc;margin:.4em 0}
.article-content ol li{list-style:decimal;margin:.4em 0}
.article-content li::marker{color:var(--primary)}
.article-content blockquote{border-left:3px solid var(--primary);background:rgba(0,255,165,.06);padding:16px 20px;border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--text-sub);margin:1.5em 0}
.article-content code{background:var(--card-hover);padding:2px 8px;border-radius:6px;font-family:Consolas,Monaco,monospace;color:#b8ffdd;font-size:.92em}
.article-content pre{background:var(--bg-deep);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;overflow-x:auto;margin:1.5em 0}
.article-content pre code{background:none;padding:0;color:#b8ffdd}
.article-content img{border-radius:12px;border:1px solid var(--border);margin:1.5em 0}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95em}
.article-content th,.article-content td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.article-content th{background:var(--card-hover);color:#fff}
.article-content a{text-decoration:underline;text-underline-offset:4px}
.article-footer{margin-top:48px;padding-top:32px;border-top:1px solid var(--border)}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag{display:inline-block;padding:7px 14px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-full);font-size:13px;color:var(--text-sub);transition:all var(--transition)}
.tag:hover{color:var(--primary);border-color:rgba(0,255,165,.4)}
.article-pager{display:flex;justify-content:space-between;gap:16px}
.pager-left,.pager-right{flex:1;min-width:0}
.pager-right{text-align:right}
.pager-left a,.pager-right a{display:inline-flex;align-items:center;gap:8px;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text);font-size:14px}
.pager-left a:hover,.pager-right a:hover{color:var(--primary);text-shadow:none}
.pager-disabled{color:var(--text-dim);font-size:14px}
.back-category{margin-top:32px;text-align:center}
.not-found{text-align:center;padding:60px 24px}
.not-found-icon{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:50%;background:rgba(255,45,120,.1);border:1px solid rgba(255,45,120,.3);color:var(--accent);font-size:28px;margin-bottom:24px}
.not-found h2{color:#fff;font-size:1.6rem;margin-bottom:12px}
.not-found p{color:var(--text-sub);margin-bottom:28px}
.related-section{padding:80px 0 40px}
.section-head{margin-bottom:32px}
.section-head h2{color:#fff;font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.3}
.section-head p{color:var(--text-sub);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition)}
.related-card:hover{transform:translateY(-2px);border-color:rgba(0,255,165,.4);box-shadow:0 0 24px rgba(0,255,165,.15)}
.related-thumb{height:160px;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1s ease}
.related-card:hover .related-thumb img{transform:scale(1.03)}
.related-info{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-info .badge{align-self:flex-start}
.related-info h3{color:#fff;font-size:1.1rem;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-info p{color:var(--text-sub);font-size:13px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cta-section{position:relative;padding:80px 0;margin-top:60px;background:linear-gradient(120deg,rgba(0,255,165,.08),rgba(255,45,120,.06)),url('/assets/images/backpic/back-1.webp') center/cover;border-top:1px solid var(--border)}
.cta-section::before{content:"";position:absolute;inset:0;background:rgba(12,15,20,.82)}
.cta-inner{position:relative;text-align:center;max-width:720px;padding:20px}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.2rem);color:#fff;margin-bottom:14px}
.cta-inner p{color:var(--text-sub);margin-bottom:28px}
.site-footer{position:relative;background:var(--bg-deep);border-top:1px solid var(--border);padding-top:60px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:-1px;height:1px;background:linear-gradient(90deg,transparent,rgba(0,255,165,.7),transparent)}
.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand{max-width:300px}
.footer-brand .logo{font-size:18px;margin-bottom:16px}
.footer-brand p{color:var(--text-sub);font-size:14px;line-height:1.8}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:var(--text-sub);font-size:14px}
.footer-col a:hover{color:var(--primary);text-shadow:0 0 8px rgba(0,255,165,.5);padding-left:4px}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center;color:var(--text-dim);font-size:13px}
@media(max-width:1024px){
  .nav-menu{gap:20px}
  .nav-cta{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .page-banner{padding:100px 0 40px}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .related-grid{grid-template-columns:1fr}
  .article-pager{flex-direction:column}
  .pager-right{text-align:left}
}
@media(max-width:520px){
  .logo{font-size:17px}
  .brand-highlight{color:var(--primary)}
  .article-head h1{font-size:1.6rem}
  .article-meta{gap:14px}
  .btn-lg{padding:14px 28px;font-size:15px}
}

/* roulang page: category3 */
:root {
      --bg: #0c0f14;
      --bg-deep: #080b10;
      --card-bg: #131a23;
      --card-hover: #1b2431;
      --primary: #00ffa5;
      --secondary: #ff2d78;
      --text: #e8edf2;
      --text-secondary: #9aa5b5;
      --text-muted: #6b7688;
      --border: rgba(255,255,255,0.08);
      --border-primary: rgba(0,255,165,0.35);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-pill: 999px;
      --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
      --transition: 0.2s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      background: var(--bg);
      color: var(--text);
      line-height: 1.8;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    button {
      font-family: inherit;
      border: none;
      background: none;
      cursor: pointer;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
      border-radius: 4px;
    }

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

    .section {
      padding: 96px 0;
      scroll-margin-top: 80px;
    }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-kicker {
      display: inline-block;
      color: var(--primary);
      font-size: 13px;
      letter-spacing: 1px;
      margin-bottom: 12px;
      font-weight: 500;
    }

    .section-head h2 {
      font-size: clamp(1.5rem, 2.5vw, 2.1rem);
      font-weight: 700;
      line-height: 1.3;
      color: var(--text);
    }

    .section-head p {
      color: var(--text-secondary);
      margin-top: 16px;
      font-size: 16px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      height: 44px;
      padding: 0 28px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      line-height: 1;
      transition: all var(--transition);
      cursor: pointer;
      white-space: nowrap;
    }

    .btn i {
      font-size: 14px;
    }

    .btn-primary {
      background: var(--primary);
      color: #07130d;
      box-shadow: 0 2px 10px rgba(0, 255, 165, 0.2);
    }

    .btn-primary:hover {
      background: #59ffc0;
      transform: translateY(-2px);
      box-shadow: 0 0 16px rgba(0, 255, 165, 0.4);
    }

    .btn-ghost {
      background: transparent;
      color: var(--primary);
      border: 1px solid rgba(0, 255, 165, 0.4);
    }

    .btn-ghost:hover {
      background: rgba(0, 255, 165, 0.1);
      box-shadow: 0 0 12px rgba(0, 255, 165, 0.2);
      transform: translateY(-2px);
    }

    .btn-lg {
      height: 56px;
      padding: 0 40px;
      font-size: 16px;
      border-radius: 12px;
    }

    .badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      color: var(--primary);
      background: rgba(0, 255, 165, 0.08);
      border: 1px solid rgba(0, 255, 165, 0.2);
      font-size: 12px;
      font-weight: 500;
      line-height: 1.6;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-size: 14px;
      margin-top: 14px;
      font-weight: 500;
    }

    .text-link:hover {
      text-shadow: 0 0 8px rgba(0, 255, 165, 0.5);
    }

    /* ---------- Header ---------- */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 64px;
      z-index: 1000;
      background: rgba(12, 15, 20, 0.96);
    }

    .site-header::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      position: relative;
      gap: 16px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      flex-shrink: 0;
    }

    .logo-icon {
      width: 34px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--primary);
      border-radius: 8px;
      color: var(--primary);
      font-size: 16px;
    }

    .brand-highlight {
      color: var(--primary);
    }

    .nav-toggle {
      display: none;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      color: var(--text);
      font-size: 18px;
      border: 1px solid var(--border);
      background: var(--card-bg);
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .nav-list > li {
      position: relative;
    }

    .nav-list > li > a {
      display: block;
      padding: 10px 14px;
      color: var(--text);
      font-size: 15px;
      font-weight: 500;
      position: relative;
      transition: color var(--transition), text-shadow var(--transition);
    }

    .nav-list > li > a:hover {
      color: var(--primary);
      text-shadow: 0 0 8px rgba(0, 255, 165, 0.6);
    }

    .nav-list > li.active > a {
      color: var(--text);
    }

    .nav-list > li.active > a::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: 14px;
      right: 14px;
      height: 2px;
      background: var(--primary);
      box-shadow: 0 0 8px rgba(0, 255, 165, 0.6);
      border-radius: 2px;
    }

    .dropdown {
      position: absolute;
      top: 100%;
      left: 8px;
      min-width: 180px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 6px;
      opacity: 0;
      visibility: hidden;
      transform: translateY(8px);
      transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
      z-index: 100;
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    }

    .has-dropdown:hover .dropdown {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .dropdown a {
      display: block;
      padding: 9px 14px;
      font-size: 14px;
      color: var(--text-secondary);
      border-left: 2px solid transparent;
      border-radius: 6px;
      transition: all var(--transition);
    }

    .dropdown a:hover {
      color: var(--primary);
      background: rgba(0, 255, 165, 0.06);
      border-left-color: var(--primary);
      text-shadow: none;
    }

    .dropdown a.active {
      color: var(--primary);
      border-left-color: var(--primary);
      background: rgba(0, 255, 165, 0.08);
      text-shadow: 0 0 8px rgba(0, 255, 165, 0.4);
    }

    /* ---------- Page Hero ---------- */
    .page-hero {
      position: relative;
      padding: 150px 0 80px;
      background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(12, 15, 20, 0.88) 0%, rgba(12, 15, 20, 0.94) 100%);
    }

    .page-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 18% 20%, rgba(0, 255, 165, 0.12), transparent 55%),
        radial-gradient(ellipse at 82% 80%, rgba(255, 45, 120, 0.08), transparent 55%);
      pointer-events: none;
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 56px;
      align-items: center;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

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

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

    .breadcrumb i {
      font-size: 10px;
      color: var(--text-muted);
    }

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

    .hero-badge {
      display: inline-block;
      padding: 5px 14px;
      border-radius: var(--radius-pill);
      background: rgba(0, 255, 165, 0.08);
      border: 1px solid rgba(0, 255, 165, 0.2);
      color: var(--primary);
      font-size: 13px;
      margin-bottom: 18px;
    }

    .page-hero h1 {
      font-size: clamp(2.2rem, 4vw, 3.2rem);
      font-weight: 800;
      line-height: 1.25;
      color: var(--text);
      margin: 0 0 16px;
    }

    .page-hero h1 .highlight {
      color: var(--primary);
      text-shadow: 0 0 16px rgba(0, 255, 165, 0.3);
    }

    .hero-sub {
      color: var(--text-secondary);
      font-size: 17px;
      max-width: 480px;
      margin: 0 0 32px;
    }

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

    .hero-figure {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(0, 255, 165, 0.25);
      box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
      aspect-ratio: 4 / 3;
    }

    .hero-figure img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .hero-figure::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 3px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
    }

    .hero-figure-tag {
      position: absolute;
      bottom: 16px;
      left: 16px;
      background: rgba(12, 15, 20, 0.82);
      border: 1px solid rgba(0, 255, 165, 0.3);
      color: var(--primary);
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 13px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    /* ---------- Features ---------- */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 24px;
    }

    .feature-card {
      grid-column: span 4;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      transition: all var(--transition);
    }

    .feature-card:hover {
      border-color: rgba(0, 255, 165, 0.4);
      box-shadow: 0 0 24px rgba(0, 255, 165, 0.12);
      transform: translateY(-2px);
    }

    .feature-card-wide {
      grid-column: span 7;
    }

    .feature-stack {
      grid-column: span 5;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      color: var(--primary);
      background: rgba(0, 255, 165, 0.08);
      border: 1px solid rgba(0, 255, 165, 0.2);
      margin-bottom: 16px;
    }

    .feature-icon.small {
      width: 40px;
      height: 40px;
      margin-bottom: 0;
      flex-shrink: 0;
    }

    .feature-card h3 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text);
    }

    .feature-card p,
    .feature-mini p {
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.75;
    }

    .feature-mini {
      flex: 1;
      display: flex;
      gap: 16px;
      align-items: center;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      transition: all var(--transition);
    }

    .feature-mini:hover {
      border-color: rgba(0, 255, 165, 0.4);
      box-shadow: 0 0 18px rgba(0, 255, 165, 0.1);
      transform: translateY(-2px);
    }

    .feature-mini h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
    }

    .feature-mini p {
      font-size: 14px;
    }

    /* ---------- Showcase ---------- */
    .showcase-section {
      background: var(--bg-deep);
    }

    .showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .showcase-text h2 {
      font-size: clamp(1.5rem, 2.5vw, 2.1rem);
      font-weight: 700;
      line-height: 1.3;
      margin: 8px 0 16px;
    }

    .showcase-text p {
      color: var(--text-secondary);
      font-size: 16px;
      margin-bottom: 20px;
    }

    .check-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text-secondary);
      padding: 8px 0;
      font-size: 15px;
    }

    .check-list li i {
      color: var(--primary);
      font-size: 16px;
    }

    .showcase-text .btn {
      margin-top: 20px;
    }

    .showcase-visual {
      position: relative;
    }

    .showcase-main-img {
      width: 100%;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
      object-fit: cover;
      aspect-ratio: 4 / 3;
    }

    .showcase-float-img {
      position: absolute;
      bottom: -20px;
      left: -20px;
      width: 260px;
      border-radius: 16px;
      border: 1px solid rgba(0, 255, 165, 0.3);
      box-shadow: 0 8px 30px rgba(0, 255, 165, 0.15);
      background: var(--bg);
    }

    /* ---------- Content Grid ---------- */
    .content-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .content-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: all var(--transition);
    }

    .content-card:hover {
      border-color: rgba(0, 255, 165, 0.4);
      box-shadow: 0 0 24px rgba(0, 255, 165, 0.12);
      transform: translateY(-2px);
    }

    .content-thumb {
      position: relative;
      aspect-ratio: 3 / 2;
      overflow: hidden;
    }

    .content-thumb .cover-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .content-card:hover .cover-img {
      transform: scale(1.03);
    }

    .content-thumb .badge {
      position: absolute;
      top: 12px;
      left: 12px;
    }

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

    .content-body h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .content-body p {
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.7;
    }

    .grid-bottom {
      text-align: center;
      margin-top: 40px;
    }

    .inline-cta {
      margin-top: 48px;
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      position: relative;
      overflow: hidden;
    }

    .inline-cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 80% 50%, rgba(0, 255, 165, 0.1), transparent 55%);
      pointer-events: none;
    }

    .inline-cta p {
      color: var(--text);
      font-size: 18px;
      font-weight: 600;
      position: relative;
    }

    .inline-cta .btn {
      position: relative;
    }

    /* ---------- Process ---------- */
    .process-section {
      background: linear-gradient(180deg, var(--bg) 0%, rgba(19, 26, 35, 0.55) 100%);
    }

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

    .process-step {
      text-align: center;
      padding: 32px 20px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      transition: all var(--transition);
    }

    .process-step:hover {
      border-color: rgba(0, 255, 165, 0.35);
      box-shadow: 0 0 20px rgba(0, 255, 165, 0.1);
      transform: translateY(-2px);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(0, 255, 165, 0.08);
      border: 1px solid rgba(0, 255, 165, 0.3);
      color: var(--primary);
      font-weight: 700;
      font-size: 16px;
      margin-bottom: 16px;
    }

    .process-step h4 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 8px;
    }

    .process-step p {
      color: var(--text-secondary);
      font-size: 14px;
    }

    /* ---------- Proof ---------- */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      max-width: 960px;
      margin: 0 auto 56px;
    }

    .stat-item {
      text-align: center;
      padding: 32px 16px;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      transition: all var(--transition);
    }

    .stat-item:hover {
      border-color: rgba(0, 255, 165, 0.35);
      box-shadow: 0 0 20px rgba(0, 255, 165, 0.1);
      transform: translateY(-2px);
    }

    .stat-num {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--primary);
      display: block;
      line-height: 1.2;
    }

    .stat-label {
      color: var(--text-muted);
      font-size: 14px;
    }

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

    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      transition: all var(--transition);
    }

    .review-card:hover {
      border-color: rgba(0, 255, 165, 0.35);
      box-shadow: 0 0 20px rgba(0, 255, 165, 0.1);
      transform: translateY(-2px);
    }

    .quote-icon {
      color: rgba(0, 255, 165, 0.3);
      font-size: 20px;
      margin-bottom: 12px;
    }

    .review-card p {
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.75;
      min-height: 52px;
    }

    .review-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 16px;
    }

    .stars {
      color: var(--primary);
      font-size: 14px;
      letter-spacing: 2px;
    }

    .reviewer {
      color: var(--text-muted);
      font-size: 14px;
    }

    /* ---------- FAQ ---------- */
    .faq-list {
      max-width: 760px;
      margin: 0 auto;
    }

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

    .faq-item.active {
      border-color: rgba(0, 255, 165, 0.35);
      background: var(--card-hover);
    }

    .faq-q {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      padding: 20px 24px;
      color: var(--text);
      font-size: 15px;
      font-weight: 600;
      text-align: left;
    }

    .faq-q i {
      color: var(--primary);
      font-size: 14px;
      transition: transform var(--transition);
      flex-shrink: 0;
    }

    .faq-item.active .faq-q i {
      transform: rotate(45deg);
    }

    .faq-a {
      display: none;
      padding: 0 24px 20px;
      color: var(--text-secondary);
      font-size: 15px;
      line-height: 1.8;
    }

    .faq-item.active .faq-a {
      display: block;
      border-left: 2px solid var(--primary);
      margin-left: 24px;
      padding-left: 12px;
    }

    /* ---------- CTA ---------- */
    .cta-section {
      padding: 60px 0 96px;
    }

    .cta-box {
      position: relative;
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: 24px;
      padding: 72px 32px;
      text-align: center;
      overflow: hidden;
    }

    .cta-box::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 25% 25%, rgba(0, 255, 165, 0.12), transparent 55%),
        radial-gradient(ellipse at 75% 75%, rgba(255, 45, 120, 0.1), transparent 55%);
      pointer-events: none;
    }

    .cta-box > * {
      position: relative;
    }

    .cta-box h2 {
      font-size: clamp(1.6rem, 2.8vw, 2.2rem);
      font-weight: 700;
      color: var(--text);
      margin-bottom: 12px;
    }

    .cta-box p {
      color: var(--text-secondary);
      font-size: 16px;
      margin-bottom: 32px;
    }

    /* ---------- Float CTA ---------- */
    .float-cta {
      position: fixed;
      bottom: 32px;
      right: 32px;
      z-index: 999;
      opacity: 0;
      visibility: hidden;
      transform: translateY(12px);
      transition: all var(--transition);
    }

    .float-cta.visible {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }

    .float-cta a {
      display: flex;
      align-items: center;
      gap: 8px;
      height: 46px;
      padding: 0 24px;
      background: var(--primary);
      color: #07130d;
      border-radius: var(--radius-pill);
      font-weight: 600;
      font-size: 14px;
      box-shadow: 0 0 18px rgba(0, 255, 165, 0.3);
      transition: all var(--transition);
    }

    .float-cta a:hover {
      background: #59ffc0;
      transform: translateY(-2px);
      box-shadow: 0 0 24px rgba(0, 255, 165, 0.45);
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: var(--bg-deep);
      position: relative;
      margin-top: 0;
    }

    .site-footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--primary), transparent);
    }

    .footer-main {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 32px;
      padding: 48px 24px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .footer-brand {
      max-width: 320px;
    }

    .footer-brand .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 12px;
    }

    .footer-brand p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.8;
    }

    .footer-col h4 {
      color: var(--text);
      font-size: 15px;
      margin-bottom: 12px;
    }

    .footer-col ul li {
      line-height: 2.2;
    }

    .footer-col ul a {
      color: var(--text-muted);
      font-size: 14px;
      transition: color var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border);
      padding: 18px 24px;
      text-align: center;
    }

    .footer-bottom p {
      color: var(--text-muted);
      font-size: 13px;
    }

    /* ---------- Responsive ---------- */
    @media (max-width: 1024px) {
      .section {
        padding: 72px 0;
      }

      .feature-card,
      .feature-card-wide {
        grid-column: span 6;
      }

      .feature-stack {
        grid-column: span 6;
      }

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

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

      .showcase-grid {
        gap: 40px;
      }

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

    @media (max-width: 768px) {
      .section {
        padding: 56px 0;
        scroll-margin-top: 72px;
      }

      .section-head {
        margin-bottom: 32px;
      }

      .nav-toggle {
        display: flex;
      }

      .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg-deep);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px 24px;
        display: none;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
        box-shadow: 0 20px 30px rgba(0, 0, 0, 0.4);
      }

      .nav-menu.open {
        display: block;
      }

      .nav-list {
        flex-direction: column;
        align-items: stretch;
      }

      .nav-list > li > a {
        padding: 14px 0;
        font-size: 17px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      }

      .nav-list > li.active > a::after {
        display: none;
      }

      .nav-list > li.active > a {
        color: var(--primary);
        text-shadow: 0 0 8px rgba(0, 255, 165, 0.4);
      }

      .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        padding: 4px 0 8px;
        background: transparent;
        border: none;
        box-shadow: none;
        min-width: 0;
      }

      .has-dropdown:hover .dropdown {
        display: none;
      }

      .has-dropdown.open .dropdown {
        display: block;
      }

      .dropdown a {
        padding: 12px 8px;
        font-size: 15px;
        border-left: 2px solid transparent;
      }

      .page-hero {
        padding: 120px 0 48px;
      }

      .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
      }

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

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

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

      .feature-card,
      .feature-card-wide,
      .feature-stack {
        grid-column: span 1;
      }

      .showcase-grid {
        grid-template-columns: 1fr;
        gap: 48px;
      }

      .showcase-float-img {
        position: static;
        width: 100%;
        margin-top: 16px;
      }

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

      .inline-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px 24px;
      }

      .cta-box {
        padding: 48px 20px;
      }

      .footer-main {
        grid-template-columns: 1fr 1fr;
        padding: 40px 24px;
        gap: 24px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .page-hero h1 {
        font-size: 2rem;
      }

      .hero-sub {
        font-size: 15px;
      }

      .btn {
        height: 46px;
        padding: 0 20px;
      }

      .btn-lg {
        height: 52px;
        padding: 0 28px;
      }

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

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
      }

      .stat-num {
        font-size: 1.8rem;
      }

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

      .footer-main {
        grid-template-columns: 1fr;
        padding: 32px 16px;
      }

      .footer-bottom {
        padding: 14px 16px;
      }

      .float-cta {
        bottom: 20px;
        right: 20px;
      }

      .float-cta a {
        width: 44px;
        height: 44px;
        padding: 0;
        justify-content: center;
        border-radius: 50%;
        font-size: 0;
        gap: 0;
      }

      .float-cta a i {
        font-size: 16px;
        margin: 0;
      }
    }