/* roulang page: index */
:root {
  --color-primary: #0a1e3c;
  --color-active: #0091ff;
  --color-accent: #ff9f1c;
  --color-cyan: #22d3ee;
  --color-bg: #0a1428;
  --color-bg-deep: #060d1c;
  --color-surface: rgba(255,255,255,0.05);
  --color-border: rgba(255,255,255,0.08);
  --color-text: #e9f0f8;
  --color-text-dim: #8fa3bf;
  --color-ok: #4ade80;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 40px rgba(0,0,0,0.35);
  --glow-blue: 0 4px 20px rgba(0,145,255,0.4);
  --glow-orange: 0 4px 20px rgba(255,159,28,0.4);
  --container: 1200px;
  --spacing-section: 96px;
  --font-sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: Inter, "DIN Alternate", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--color-active); text-decoration: none; transition: color .25s ease; }
a:hover { color: #4db8ff; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
ul, ol, li { list-style: none; }

/* ===== Foundation 风格覆盖 ===== */
.grid-container {
  max-width: var(--container);
  padding-left: 24px;
  padding-right: 24px;
}
.button {
  background: var(--color-active);
  border-radius: var(--radius-sm);
  border: none;
  box-shadow: var(--glow-blue);
  transition: all .3s ease;
}
.button:hover { background: #0a5fd0; transform: translateY(-2px); }
.button:focus { outline: none; box-shadow: 0 0 0 3px rgba(0,145,255,0.3); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  line-height: 1.4;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); box-shadow: 0 2px 8px rgba(0,0,0,0.2) !important; }
.btn-primary {
  background: linear-gradient(135deg, #0091ff, #0062d6);
  color: #fff;
  box-shadow: var(--glow-blue);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1aa2ff, #0a6fe8);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,145,255,0.5);
}
.btn-accent {
  background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
  color: #0a1428;
  box-shadow: var(--glow-orange);
}
.btn-accent:hover {
  background: linear-gradient(135deg, #ffb03d, #ff8f3d);
  color: #0a1428;
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,159,28,0.5);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: rgba(0,145,255,0.08);
  color: #fff;
  border-color: rgba(0,145,255,0.6);
  transform: translateY(-2px);
  box-shadow: 0 0 24px rgba(0,145,255,0.2);
}
.btn-sm { padding: 9px 20px; font-size: 14px; border-radius: 8px; }
.btn-block { width: 100%; }

/* ===== Header 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 72px;
  background: transparent;
  transition: background .4s ease, border-color .4s ease, box-shadow .4s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10,20,40,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-active), #0051a0);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,145,255,0.35);
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  position: relative;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 2px;
  transition: color .3s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.nav-link:hover { color: var(--color-active); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--color-active); }
.nav-link.active::after { transform: scaleX(1); }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: background .3s ease;
}
.hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(8,15,30,0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s ease, visibility .4s ease;
  padding: 24px;
}
.mobile-drawer.open {
  opacity: 1;
  visibility: visible;
}
.drawer-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 320px;
  margin-bottom: 24px;
}
.drawer-link {
  display: block;
  width: 100%;
  text-align: center;
  padding: 16px 0;
  font-size: 18px;
  color: var(--color-text);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color .3s ease, border-color .3s ease;
}
.drawer-link:hover { color: var(--color-active); border-color: rgba(0,145,255,0.3); }
.drawer-link.active { color: var(--color-active); }
.drawer-btn { max-width: 320px; }
.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
}

/* ===== Hero 首屏 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 120px 0 80px;
  background:
    linear-gradient(135deg, rgba(10,20,40,0.55), rgba(10,20,40,0.92)),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,145,255,0.12), transparent 70%);
  top: -80px;
  left: -80px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  text-align: center;
  padding: 48px 32px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 24px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  margin: 0 24px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(0,145,255,0.15);
  border: 1px solid rgba(0,145,255,0.3);
  font-size: 12px;
  font-weight: 500;
  color: #7cd2ff;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.hero-tag i { font-size: 12px; }
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--color-text);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--color-text-dim);
  font-size: 13px;
  letter-spacing: 0.1em;
}
.hero-scroll .mouse {
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.hero-scroll .mouse span {
  width: 4px;
  height: 8px;
  background: var(--color-active);
  border-radius: 4px;
  animation: scrollWheel 1.6s ease infinite;
}
@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ===== 区块通用 ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-active);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
  color: #fff;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--color-text-dim);
  max-width: 640px;
  line-height: 1.7;
}
.center { text-align: center; }
.center .section-desc { margin-left: auto; margin-right: auto; }
.section-padding { padding: var(--spacing-section) 0; }

/* ===== About 品牌理念区 ===== */
.about {
  padding: var(--spacing-section) 0;
  position: relative;
}
.about::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,159,28,0.06), transparent 70%);
  bottom: 20px;
  right: -60px;
  pointer-events: none;
}
.about-left {
  padding-right: 24px;
}
.about-left p {
  color: var(--color-text-dim);
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.8;
}
.about-left p strong { color: var(--color-text); font-weight: 600; }
.about-keypoints {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}
.about-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: background .3s ease, transform .3s ease;
}
.about-point:hover {
  background: rgba(255,255,255,0.08);
  transform: translateX(4px);
}
.about-point i {
  font-size: 18px;
  color: var(--color-cyan);
  margin-top: 4px;
  width: 22px;
  text-align: center;
}
.about-point strong {
  display: block;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}
.about-point span {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.5;
}
.about-right {
  position: relative;
}
.about-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.about-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}
.about-data .data-item {
  text-align: center;
  padding: 20px 8px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  border-radius: 14px;
}
.about-data .data-num {
  font-family: var(--font-num);
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-active));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.about-data .data-label {
  font-size: 13px;
  color: var(--color-text-dim);
  margin-top: 4px;
}

/* ===== 核心功能 Features ===== */
.features {
  padding: var(--spacing-section) 0;
  background: var(--color-bg-deep);
  position: relative;
}
.features::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,145,255,0.08), transparent 70%);
  top: -100px;
  right: -100px;
  pointer-events: none;
}
.features .grid-x { position: relative; z-index: 2; }
.feature-card {
  height: 100%;
  padding: 28px 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: transform .35s ease, border-color .3s ease, box-shadow .35s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,145,255,0.4);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3), 0 0 30px rgba(0,145,255,0.08);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-active);
  background: rgba(0,145,255,0.12);
  border: 1px solid rgba(0,145,255,0.2);
  margin-bottom: 20px;
  transition: background .3s ease, color .3s ease;
}
.feature-card:hover .feature-icon {
  background: rgba(0,145,255,0.25);
  color: #fff;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.6;
}

/* ===== 资讯列表 News ===== */
.news {
  padding: var(--spacing-section) 0;
}
.news-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px;
  flex-wrap: wrap;
}
.news-header .section-title { margin-bottom: 0; }
.news-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-dim);
  font-size: 15px;
  transition: color .3s ease, gap .3s ease;
  padding: 8px 0;
}
.news-all:hover {
  color: var(--color-active);
  gap: 10px;
}
.cms-news-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  overflow: hidden;
  min-height: 360px;
}
.cms-featured {
  display: block;
  height: 100%;
  padding: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  transition: background .3s ease;
}
.cms-featured:hover { background: rgba(255,255,255,0.06); }
.cms-featured-cover {
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: 18px;
}
.cms-featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.cms-featured:hover .cms-featured-cover img { transform: scale(1.05); }
.cms-featured .badge { margin-bottom: 12px; display: inline-block; }
.cms-featured h3 {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 10px;
}
.cms-featured p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.6;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cms-featured .meta {
  font-size: 13px;
  color: var(--color-text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cms-list-side {
  padding: 12px 8px;
}
.cms-list-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 12px;
  border-radius: 12px;
  transition: background .3s ease;
}
.cms-list-row:hover { background: rgba(255,255,255,0.04); }
.cms-list-row .row-main { flex: 1; min-width: 0; }
.cms-list-row .row-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.cms-list-row .row-summary {
  font-size: 13px;
  color: var(--color-text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cms-list-row .row-meta {
  font-size: 12px;
  color: var(--color-text-dim);
  flex-shrink: 0;
  text-align: right;
  min-width: 72px;
}
.cms-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  border: 2px dashed rgba(255,255,255,0.12);
  border-radius: var(--radius);
  margin: 24px;
}
.cms-empty i {
  font-size: 48px;
  color: var(--color-text-dim);
  margin-bottom: 16px;
  opacity: 0.5;
}
.cms-empty p {
  color: var(--color-text-dim);
  font-size: 16px;
}

/* ===== 精选卡片 ===== */
.featured-cards {
  padding: var(--spacing-section) 0;
  background: var(--color-bg-deep);
  position: relative;
}
.featured-cards::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,159,28,0.05), transparent 70%);
  bottom: 40px;
  left: -80px;
  pointer-events: none;
}
.fcard {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 0;
  overflow: hidden;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: transform .35s ease, border-color .3s ease, box-shadow .35s ease;
  background: linear-gradient(135deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.fcard:hover {
  transform: translateY(-6px);
  border-color: rgba(0,145,255,0.4);
  box-shadow: 0 18px 48px rgba(0,0,0,0.35), 0 0 40px rgba(0,145,255,0.08);
}
.fcard-cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  border-radius: calc(var(--radius) .5) calc(var(--radius) .5) 0 0;
}
.fcard-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.fcard:hover .fcard-cover img { transform: scale(1.06); }
.fcard-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.fcard-body .badge { margin-bottom: 12px; align-self: flex-start; }
.fcard-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.fcard-body p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.6;
  margin-bottom: 18px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.fcard-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-active);
  transition: gap .3s ease;
}
.fcard-link:hover { gap: 10px; color: #4db8ff; }

/* ===== Badge 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.03em;
  background: rgba(0,145,255,0.12);
  border: 1px solid rgba(0,145,255,0.25);
  color: #7cd2ff;
  line-height: 1.6;
}
.badge.accent {
  background: rgba(255,159,28,0.16);
  border-color: rgba(255,159,28,0.35);
  color: #ffc266;
}

/* ===== 统计背书区 ===== */
.stats-section {
  padding: var(--spacing-section) 0;
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}
.stats-section::before {
  content: '';
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,145,255,0.06), transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.stats-grid {
  position: relative;
  z-index: 2;
}
.stat-item {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius);
  transition: transform .3s ease, background .3s ease;
}
.stat-item:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.03);
}
.stat-num {
  font-family: var(--font-num);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 6px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-active));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-num.orange {
  background: linear-gradient(135deg, #ffb84d, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  font-size: 14px;
  color: var(--color-text-dim);
  letter-spacing: 0.05em;
}
.partner-wall {
  position: relative;
  z-index: 2;
  margin-top: 48px;
  text-align: center;
}
.partner-wall p {
  font-size: 13px;
  color: var(--color-text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0.55;
}
.partner-logos span {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.05);
}

/* ===== CTA 订阅区 ===== */
.cta-section {
  padding: var(--spacing-section) 0;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,145,255,0.15), transparent 70%);
  top: -100px;
  left: 10%;
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,159,28,0.1), transparent 70%);
  bottom: -80px;
  right: 8%;
  pointer-events: none;
}
.cta-panel {
  position: relative;
  z-index: 2;
  padding: clamp(32px, 5vw, 64px);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.cta-panel h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.cta-panel p {
  font-size: 16px;
  color: var(--color-text-dim);
  margin-bottom: 28px;
  line-height: 1.6;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.cta-form input {
  flex: 1;
  padding: 13px 18px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: var(--color-text);
  font-size: 15px;
  outline: none;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.cta-form input::placeholder { color: rgba(143,163,191,0.7); }
.cta-form input:focus {
  border-color: var(--color-active);
  box-shadow: 0 0 0 3px rgba(0,145,255,0.15);
}
.cta-form .btn { flex-shrink: 0; }

/* ===== FAQ 区 ===== */
.faq-section {
  padding: var(--spacing-section) 0 48px;
}
.faq-grid {
  max-width: 860px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .3s ease, background .3s ease;
}
.faq-item[open] {
  border-color: rgba(0,145,255,0.35);
  background: rgba(0,145,255,0.04);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text);
  list-style: none;
  transition: color .3s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--color-active); }
.faq-item summary .faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  background: rgba(0,145,255,0.15);
  border: 1px solid rgba(0,145,255,0.3);
  color: var(--color-active);
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease;
}
.faq-item[open] summary .faq-icon {
  transform: rotate(135deg);
  background: rgba(0,145,255,0.3);
}
.faq-item .faq-answer {
  padding: 0 22px 20px;
  color: var(--color-text-dim);
  font-size: 15px;
  line-height: 1.7;
}
.faq-item .faq-answer strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ===== Footer 页脚 ===== */
.site-footer {
  background: var(--color-bg-deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 0;
}
.footer-brand-name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-brand-name .brand-icon { width: 32px; height: 32px; font-size: 16px; border-radius: 8px; }
.footer-col p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 16px;
  color: var(--color-text-dim);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all .3s ease;
}
.social-links a:hover {
  color: #fff;
  background: var(--color-active);
  border-color: var(--color-active);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0,145,255,0.3);
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.6;
}
.footer-col ul li a {
  color: var(--color-text-dim);
  transition: color .3s ease, padding-left .3s ease;
}
.footer-col ul li a:hover {
  color: var(--color-active);
  padding-left: 4px;
}
.footer-bottom {
  margin-top: 48px;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}
.footer-bottom p {
  font-size: 14px;
  color: var(--color-text-dim);
  letter-spacing: 0.03em;
}
.footer-bottom p .dot {
  color: var(--color-accent);
  margin: 0 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  :root { --spacing-section: 80px; }
  .nav-links { gap: 24px; }
  .nav-link { font-size: 14px; }
  .about-left { padding-right: 0; margin-bottom: 32px; }
}

@media (max-width: 767px) {
  :root { --spacing-section: 64px; }
  .site-header { height: 60px; }
  .site-nav { height: 60px; }
  .brand-name { font-size: 18px; }
  .brand-icon { width: 34px; height: 34px; font-size: 17px; }
  .nav-desktop { display: none !important; }
  .hamburger { display: flex; }
  .nav-cta-desktop { display: none; }
  .hero { padding: 100px 16px 60px; }
  .hero-inner { padding: 32px 20px; margin: 0; }
  .hero-sub { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .cta-form { flex-direction: column; }
  .cta-form .btn { width: 100%; }
  .partner-logos { gap: 16px; }
  .partner-logos span { font-size: 14px; padding: 6px 12px; }
  .footer-bottom p { font-size: 13px; flex-wrap: wrap; }
  .cms-list-row .row-summary { display: none; }
}

@media (max-width: 520px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .about-data { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .about-data .data-num { font-size: 26px; }
  .about-data .data-label { font-size: 12px; }
  .stat-num { font-size: 2rem; }
  .stat-label { font-size: 12px; }
  .faq-item summary { padding: 16px; font-size: 15px; }
  .faq-item .faq-answer { padding: 0 16px 16px; }
  .cta-panel { padding: 32px 20px; }
}

/* roulang page: category1 */
:root {
        --color-primary: #0a1e3c;
        --color-active: #0091ff;
        --color-accent: #ff9f1c;
        --color-cyan: #22d3ee;
        --color-bg: #0a1428;
        --color-bg-deep: #060d1c;
        --color-surface: rgba(255,255,255,0.05);
        --color-border: rgba(255,255,255,0.08);
        --color-text: #e9f0f8;
        --color-text-dim: #8fa3bf;
        --color-ok: #4ade80;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --shadow-lg: 0 20px 60px rgba(0,0,0,0.35);
        --shadow-md: 0 8px 30px rgba(0,0,0,0.25);
        --transition-base: all 0.3s ease;
        --font-cn: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        --font-num: "Inter", "DIN Alternate", sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

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

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

    a:hover {
        color: #4db8ff;
    }

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

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

    /* ========== 导航 ========== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: 72px;
        display: flex;
        align-items: center;
        background: transparent;
        transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
        border-bottom: 1px solid transparent;
    }

    .site-header.scrolled {
        background: rgba(10, 20, 40, 0.75);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
    }

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

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

    .brand-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: linear-gradient(135deg, #0091ff, #0062d6);
        color: #fff;
        font-weight: 700;
        font-size: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 4px 16px rgba(0, 145, 255, 0.4);
    }

    .brand-name {
        font-size: 20px;
        font-weight: 700;
        color: var(--color-text);
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 32px;
    }

    .nav-link {
        position: relative;
        font-size: 15px;
        font-weight: 500;
        color: var(--color-text-dim);
        padding: 8px 0;
        transition: color 0.3s ease;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        height: 2px;
        background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.35s ease;
    }

    .nav-link:hover {
        color: var(--color-text);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        transform: scaleX(1);
    }

    .nav-link.active {
        color: var(--color-active);
    }

    .nav-actions {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-weight: 500;
        border-radius: 10px;
        cursor: pointer;
        border: none;
        transition: var(--transition-base);
        font-family: var(--font-cn);
        outline: none;
        text-align: center;
    }

    .btn:focus-visible {
        outline: 2px solid var(--color-cyan);
        outline-offset: 2px;
    }

    .btn-primary {
        background: linear-gradient(135deg, #0091ff, #0062d6);
        color: #fff;
        box-shadow: 0 4px 20px rgba(0, 145, 255, 0.4);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 32px rgba(0, 145, 255, 0.5);
        color: #fff;
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 2px 12px rgba(0, 145, 255, 0.3);
    }

    .btn-accent {
        background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
        color: #fff;
        box-shadow: 0 4px 20px rgba(255, 159, 28, 0.4);
    }

    .btn-accent:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 32px rgba(255, 159, 28, 0.5);
        color: #fff;
    }

    .btn-outline {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: var(--color-text);
    }

    .btn-outline:hover {
        border-color: var(--color-active);
        box-shadow: 0 0 20px rgba(0, 145, 255, 0.2);
        color: var(--color-active);
    }

    .btn-sm {
        padding: 8px 20px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 15px 38px;
        font-size: 16px;
    }

    .nav-cta-desktop {
        white-space: nowrap;
    }

    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 8px;
        cursor: pointer;
        padding: 10px;
        transition: border-color 0.3s ease;
    }

    .hamburger span {
        display: block;
        height: 2px;
        border-radius: 2px;
        background: var(--color-text);
        transition: all 0.3s ease;
    }

    .hamburger:hover {
        border-color: var(--color-active);
    }

    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(8, 15, 30, 0.98);
        z-index: 999;
        padding: 100px 32px 40px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        overflow-y: auto;
    }

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

    .mobile-menu .nav-link {
        font-size: 20px;
        color: var(--color-text);
        padding: 14px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mobile-menu .nav-link.active {
        color: var(--color-active);
    }

    .mobile-menu .btn {
        width: 100%;
        margin-top: 20px;
        font-size: 16px;
        padding: 16px;
    }

    .menu-close {
        position: absolute;
        top: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 8px;
        color: var(--color-text);
        font-size: 20px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: border-color 0.3s ease;
    }

    .menu-close:hover {
        border-color: var(--color-accent);
    }

    /* ========== 页面主体 ========== */
    .page-main {
        padding-top: 72px;
    }

    /* ========== Hero 大标题区 ========== */
    .cat-hero {
        position: relative;
        padding: 120px 0 100px;
        background: linear-gradient(to bottom, rgba(10, 20, 40, 0.5), rgba(10, 20, 40, 0.92)),
            url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        overflow: hidden;
    }

    .cat-hero::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        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: 50px 50px;
        opacity: 0.35;
        pointer-events: none;
    }

    .cat-hero::after {
        content: "";
        position: absolute;
        top: 20%;
        right: -80px;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(255, 159, 28, 0.15), transparent 65%);
        pointer-events: none;
    }

    .cat-hero .grid-container {
        position: relative;
        z-index: 2;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--color-text-dim);
        margin-bottom: 24px;
        flex-wrap: wrap;
    }

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

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

    .breadcrumb .sep {
        color: rgba(255, 255, 255, 0.3);
    }

    .breadcrumb .current {
        color: var(--color-text);
        opacity: 0.85;
    }

    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(0, 145, 255, 0.15);
        border: 1px solid rgba(0, 145, 255, 0.3);
        border-radius: 999px;
        padding: 6px 18px;
        font-size: 13px;
        color: var(--color-cyan);
        margin-bottom: 18px;
        letter-spacing: 0.04em;
    }

    .cat-hero h1 {
        font-size: clamp(2rem, 5vw, 3.4rem);
        line-height: 1.25;
        letter-spacing: -0.02em;
        color: #fff;
        margin-bottom: 20px;
        font-weight: 700;
    }

    .cat-hero .hero-desc {
        font-size: 18px;
        line-height: 1.7;
        color: rgba(233, 240, 248, 0.85);
        max-width: 720px;
        margin-bottom: 36px;
    }

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

    /* ========== 核心服务 ========== */
    .section-block {
        padding: 96px 0;
    }

    .section-block-alt {
        background: var(--color-bg-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }

    .section-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 20px;
        margin-bottom: 48px;
        flex-wrap: wrap;
    }

    .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 500;
        color: var(--color-cyan);
        letter-spacing: 0.1em;
        text-transform: uppercase;
        margin-bottom: 12px;
    }

    .section-title {
        font-size: clamp(1.5rem, 3vw, 2.2rem);
        line-height: 1.35;
        color: #fff;
        font-weight: 700;
        letter-spacing: -0.01em;
    }

    .section-sub {
        color: var(--color-text-dim);
        font-size: 15px;
        max-width: 560px;
        margin-top: 10px;
    }

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

    .service-card {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02));
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        padding: 32px 24px;
        transition: var(--transition-base);
        position: relative;
        overflow: hidden;
    }

    .service-card::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .service-card:hover {
        transform: translateY(-6px);
        border-color: rgba(0, 145, 255, 0.25);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
    }

    .service-card:hover::before {
        opacity: 1;
    }

    .service-icon {
        width: 56px;
        height: 56px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        margin-bottom: 20px;
        background: rgba(0, 145, 255, 0.12);
        border: 1px solid rgba(0, 145, 255, 0.2);
        color: var(--color-active);
    }

    .service-card:nth-child(2) .service-icon {
        background: rgba(255, 159, 28, 0.12);
        border-color: rgba(255, 159, 28, 0.2);
        color: var(--color-accent);
    }

    .service-card:nth-child(3) .service-icon {
        background: rgba(34, 211, 238, 0.1);
        border-color: rgba(34, 211, 238, 0.2);
        color: var(--color-cyan);
    }

    .service-card:nth-child(4) .service-icon {
        background: rgba(74, 222, 128, 0.1);
        border-color: rgba(74, 222, 128, 0.2);
        color: var(--color-ok);
    }

    .service-card h3 {
        font-size: 18px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 10px;
    }

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

    /* ========== 赛事类型 ========== */
    .sports-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 28px;
        align-items: center;
    }

    .sports-visual {
        flex: 1 1 40%;
        min-width: 300px;
        position: relative;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }

    .sports-visual img {
        width: 100%;
        aspect-ratio: 16/10;
        object-fit: cover;
        border-radius: 16px;
    }

    .sports-visual::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(10, 20, 40, 0.35), transparent 55%);
        border-radius: 16px;
    }

    .sports-content {
        flex: 1 1 45%;
        min-width: 300px;
    }

    .sports-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
        margin-top: 8px;
    }

    .sports-item {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 14px;
        padding: 20px;
        transition: var(--transition-base);
    }

    .sports-item:hover {
        border-color: rgba(255, 159, 28, 0.3);
        transform: translateY(-3px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .sports-item .s-icon {
        font-size: 20px;
        color: var(--color-accent);
        margin-bottom: 10px;
    }

    .sports-item h4 {
        font-size: 15px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 6px;
    }

    .sports-item p {
        font-size: 13px;
        color: var(--color-text-dim);
        line-height: 1.6;
    }

    /* ========== 流程 ========== */
    .process-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        position: relative;
        margin-top: 20px;
    }

    .process-steps::before {
        content: "";
        position: absolute;
        top: 32px;
        left: 60px;
        right: 60px;
        height: 1px;
        background: linear-gradient(90deg, rgba(0, 145, 255, 0.5), rgba(255, 159, 28, 0.5), rgba(0, 145, 255, 0.5));
        opacity: 0.5;
        z-index: 0;
    }

    .process-step {
        position: relative;
        z-index: 1;
        text-align: left;
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: 14px;
        padding: 28px 20px;
        transition: var(--transition-base);
    }

    .process-step:hover {
        border-color: rgba(0, 145, 255, 0.3);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        transform: translateY(-4px);
    }

    .step-num {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: linear-gradient(135deg, #0091ff, #0062d6);
        color: #fff;
        font-size: 18px;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        box-shadow: 0 4px 14px rgba(0, 145, 255, 0.35);
        font-family: var(--font-num);
    }

    .process-step:nth-child(2) .step-num {
        background: linear-gradient(135deg, #22d3ee, #0ea5e9);
        box-shadow: 0 4px 14px rgba(34, 211, 238, 0.3);
    }

    .process-step:nth-child(3) .step-num {
        background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
        box-shadow: 0 4px 14px rgba(255, 159, 28, 0.3);
    }

    .process-step:nth-child(4) .step-num {
        background: linear-gradient(135deg, #4ade80, #22c55e);
        box-shadow: 0 4px 14px rgba(74, 222, 128, 0.25);
    }

    .process-step h3 {
        font-size: 17px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .process-step p {
        font-size: 14px;
        color: var(--color-text-dim);
        line-height: 1.7;
    }

    /* ========== 数据 ========== */
    .stats-panel {
        background: var(--color-bg-deep);
        border-radius: 20px;
        padding: 56px 40px;
        border: 1px solid rgba(255, 255, 255, 0.05);
        position: relative;
        overflow: hidden;
    }

    .stats-panel::before {
        content: "";
        position: absolute;
        bottom: -100px;
        left: -60px;
        width: 260px;
        height: 260px;
        background: radial-gradient(circle, rgba(0, 145, 255, 0.15), transparent 65%);
        pointer-events: none;
    }

    .stats-panel::after {
        content: "";
        position: absolute;
        top: -80px;
        right: -40px;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(255, 159, 28, 0.12), transparent 65%);
        pointer-events: none;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        text-align: center;
        position: relative;
        z-index: 2;
    }

    .stat-item .num {
        font-family: var(--font-num);
        font-size: 44px;
        font-weight: 700;
        color: #fff;
        line-height: 1.2;
        margin-bottom: 6px;
        background: linear-gradient(135deg, #22d3ee, #0091ff);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .stat-item:nth-child(2) .num {
        background: linear-gradient(135deg, #ff9f1c, #ff6b00);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .stat-item:nth-child(3) .num {
        background: linear-gradient(135deg, #4ade80, #22c55e);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .stat-item:nth-child(4) .num {
        background: linear-gradient(135deg, #0091ff, #22d3ee);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

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

    /* ========== FAQ ========== */
    .faq-wrap {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .faq-item {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 14px;
        overflow: hidden;
        transition: border-color 0.3s ease;
    }

    .faq-item:hover {
        border-color: rgba(0, 145, 255, 0.2);
    }

    .faq-item.active {
        border-color: rgba(0, 145, 255, 0.3);
    }

    .faq-q {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 20px 22px;
        cursor: pointer;
        user-select: none;
        font-size: 15px;
        font-weight: 500;
        color: var(--color-text);
    }

    .faq-q .q-icon {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(0, 145, 255, 0.15);
        color: var(--color-active);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        font-weight: 700;
        flex-shrink: 0;
    }

    .faq-q .arrow {
        margin-left: auto;
        font-size: 14px;
        color: var(--color-text-dim);
        transition: transform 0.3s ease;
    }

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

    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        padding: 0 22px;
        font-size: 14px;
        color: var(--color-text-dim);
        line-height: 1.8;
        border-top: 0 solid rgba(255, 255, 255, 0.08);
    }

    .faq-item.active .faq-a {
        max-height: 300px;
        padding: 0 22px 20px;
        border-top-width: 1px;
        padding-top: 16px;
    }

    /* ========== CTA ========== */
    .cat-cta {
        position: relative;
        padding: 96px 0;
        overflow: hidden;
    }

    .cat-cta::before {
        content: "";
        position: absolute;
        top: -80px;
        left: 20%;
        width: 320px;
        height: 320px;
        background: radial-gradient(circle, rgba(0, 145, 255, 0.18), transparent 65%);
        pointer-events: none;
    }

    .cat-cta::after {
        content: "";
        position: absolute;
        bottom: -80px;
        right: 15%;
        width: 260px;
        height: 260px;
        background: radial-gradient(circle, rgba(255, 159, 28, 0.14), transparent 65%);
        pointer-events: none;
    }

    .cta-panel {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02));
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 20px;
        padding: 56px 48px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 40px;
        flex-wrap: wrap;
        position: relative;
        z-index: 2;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: var(--shadow-lg);
    }

    .cta-left h2 {
        font-size: clamp(1.4rem, 3vw, 2rem);
        color: #fff;
        font-weight: 700;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .cta-left p {
        color: var(--color-text-dim);
        font-size: 15px;
        max-width: 500px;
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: #060d1c;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 72px 0 30px;
    }

    .footer-col {
        margin-bottom: 32px;
    }

    .footer-brand-name {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }

    .footer-brand-name .brand-icon {
        width: 34px;
        height: 34px;
        font-size: 16px;
    }

    .footer-col p {
        font-size: 14px;
        color: var(--color-text-dim);
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .social-links {
        display: flex;
        gap: 12px;
    }

    .social-links a {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text-dim);
        font-size: 16px;
        transition: var(--transition-base);
    }

    .social-links a:hover {
        background: rgba(0, 145, 255, 0.15);
        border-color: rgba(0, 145, 255, 0.3);
        color: var(--color-active);
        transform: translateY(-2px);
    }

    .footer-col h4 {
        font-size: 15px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.04em;
    }

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

    .footer-col ul li {
        font-size: 14px;
        color: var(--color-text-dim);
    }

    .footer-col ul a {
        color: var(--color-text-dim);
        font-size: 14px;
        transition: color 0.3s ease;
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.04);
        padding-top: 30px;
        margin-top: 10px;
        text-align: center;
        font-size: 14px;
        color: var(--color-text-dim);
    }

    .footer-bottom .dot {
        margin: 0 8px;
        color: rgba(255, 255, 255, 0.3);
    }

    .footer-bottom p {
        margin: 0;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
        .service-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .process-steps {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .process-steps::before {
            display: none;
        }

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

        .cat-hero {
            padding: 90px 0 70px;
        }
    }

    @media (max-width: 767px) {
        .site-header {
            height: 60px;
        }

        .site-nav {
            height: 60px;
        }

        .page-main {
            padding-top: 60px;
        }

        .nav-desktop,
        .nav-cta-desktop {
            display: none;
        }

        .hamburger {
            display: flex;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            font-size: 15px;
            border-radius: 8px;
        }

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

        .section-block {
            padding: 64px 0;
        }

        .cat-hero {
            padding: 70px 0 56px;
        }

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

        .cat-hero .hero-desc {
            font-size: 15px;
        }

        .hero-actions {
            flex-direction: column;
        }

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

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

        .sports-grid {
            flex-direction: column;
        }

        .sports-visual {
            min-width: 100%;
        }

        .sports-content {
            min-width: 100%;
        }

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

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

        .stats-panel {
            padding: 40px 24px;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px 16px;
        }

        .stat-item .num {
            font-size: 32px;
        }

        .cta-panel {
            padding: 32px 24px;
            flex-direction: column;
            text-align: center;
        }

        .cta-left p {
            margin: 0 auto;
        }

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

        .section-head {
            flex-direction: column;
            align-items: flex-start;
        }

        .grid-container {
            padding: 0 20px;
        }

        .faq-q {
            padding: 16px 18px;
            font-size: 14px;
        }

        .faq-a {
            padding: 0 18px;
        }

        .cat-cta {
            padding: 64px 0;
        }
    }

    @media (max-width: 520px) {
        .breadcrumb {
            font-size: 12px;
            gap: 5px;
        }

        .section-title {
            font-size: 1.5rem;
        }

        .sports-list {
            gap: 14px;
        }

        .process-step {
            padding: 20px 16px;
        }

        .footer-bottom {
            font-size: 13px;
        }
    }

    @supports not (backdrop-filter: blur(1px)) {
        .site-header.scrolled,
        .cta-panel {
            background: rgba(10, 20, 40, 0.96);
        }
    }

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --color-primary: #0a1e3c;
  --color-active: #0091ff;
  --color-accent: #ff9f1c;
  --color-cyan: #22d3ee;
  --color-bg: #0a1428;
  --color-bg-deep: #060d1c;
  --color-surface: rgba(255,255,255,0.05);
  --color-border: rgba(255,255,255,0.08);
  --color-text: #e9f0f8;
  --color-text-dim: #8fa3bf;
  --color-ok: #4ade80;
  --font-body: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "DIN Alternate", sans-serif;
  --radius-lg: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 20px 60px rgba(0,0,0,0.28);
  --trans: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

a:hover {
  color: #4db3ff;
}

button, input, textarea {
  font-family: var(--font-body);
}

ul, ol {
  list-style-position: inside;
}

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

/* ===== Header 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 72px;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: var(--trans);
}

.site-header.scrolled {
  background: rgba(10,20,40,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0091ff, #0062d6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 16px rgba(0,145,255,0.35);
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* 导航链接 桌面 */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 6px;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 3px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-link:hover {
  color: var(--color-active);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--color-active);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: var(--trans);
  line-height: 1.4;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #0091ff, #0062d6);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0,145,255,0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 8px 32px rgba(0,145,255,0.5);
}

.btn-primary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 12px rgba(0,145,255,0.3);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-accent {
  background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,159,28,0.4);
}

.btn-accent:hover {
  transform: translateY(-2px);
  color: #fff;
  box-shadow: 0 8px 32px rgba(255,159,28,0.5);
}

.btn-accent:active {
  transform: translateY(1px);
  box-shadow: 0 2px 12px rgba(255,159,28,0.3);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: rgba(0,145,255,0.6);
  background: rgba(0,145,255,0.1);
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0,145,255,0.15);
}

/* ===== Hamburger ===== */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  cursor: pointer;
  padding: 0 10px;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--trans);
}

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

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

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

/* ===== 移动端抽屉 ===== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8,15,30,0.98);
  z-index: 999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.mobile-menu .nav-link {
  font-size: 20px;
  padding: 14px 24px;
}

.mobile-menu .btn {
  margin-top: 18px;
  width: 200px;
}

/* ===== 面包屑 ===== */
.breadcrumb {
  padding: 116px 0 8px;
  font-size: 13px;
  color: var(--color-text-dim);
}

.breadcrumb a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

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

.breadcrumb .sep {
  margin: 0 8px;
  color: rgba(255,255,255,0.3);
}

.breadcrumb .current {
  color: var(--color-text);
}

/* ===== 文章头部 ===== */
.article-header {
  padding: 32px 0 44px;
  max-width: 900px;
  margin: 0 auto;
}

.article-category-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  background: rgba(0,145,255,0.15);
  border: 1px solid rgba(0,145,255,0.3);
  color: #6cbfff;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 22px;
}

.article-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.3;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: var(--color-text-dim);
  margin-bottom: 28px;
}

.article-meta i {
  margin-right: 6px;
  color: var(--color-active);
  font-size: 13px;
}

.article-summary {
  padding: 22px 26px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-active);
  border-radius: 0 14px 14px 0;
  font-size: 15px;
  color: var(--color-text-dim);
  line-height: 1.85;
}

/* ===== 文章正文 ===== */
.article-section {
  padding-bottom: 80px;
}

.article-body {
  max-width: 900px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-text);
}

.article-body p {
  margin-bottom: 1.5em;
}

.article-body > p:first-of-type {
  font-size: 18px;
  color: rgba(233,240,248,0.95);
}

.article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 2.4em 0 1em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 2em 0 0.8em;
  color: var(--color-text);
}

.article-body h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.8em 0 0.6em;
  color: var(--color-text);
}

.article-body img {
  border-radius: 12px;
  margin: 26px auto;
  box-shadow: var(--shadow-card);
}

.article-body figure {
  margin: 26px 0;
}

.article-body figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-dim);
  margin-top: 8px;
}

.article-body blockquote {
  margin: 2em 0;
  padding: 22px 26px;
  background: rgba(0,145,255,0.08);
  border-left: 3px solid var(--color-active);
  border-radius: 0 12px 12px 0;
  color: var(--color-text-dim);
  font-size: 15px;
  font-style: italic;
}

.article-body blockquote p {
  margin-bottom: 0.5em;
}

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

.article-body ul,
.article-body ol {
  margin: 1.5em 0;
  padding-left: 1.6em;
}

.article-body ul li,
.article-body ol li {
  margin-bottom: 0.6em;
  padding-left: 4px;
}

.article-body ul li::marker {
  color: var(--color-active);
}

.article-body ol li::marker {
  color: var(--color-active);
  font-weight: 600;
}

.article-body a {
  color: var(--color-active);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body a:hover {
  color: #4db3ff;
}

.article-body code {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
  background: rgba(255,255,255,0.08);
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--color-cyan);
}

.article-body pre {
  margin: 2em 0;
  padding: 24px;
  background: var(--color-bg-deep);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow-x: auto;
}

.article-body pre code {
  background: transparent;
  padding: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== 内容未找到 ===== */
.article-notfound {
  max-width: 900px;
  margin: 140px auto 100px;
  padding: 80px 40px;
  text-align: center;
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.02);
}

.article-notfound i {
  font-size: 58px;
  color: var(--color-text-dim);
  margin-bottom: 24px;
  display: block;
}

.article-notfound h2 {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--color-text);
  font-weight: 700;
}

.article-notfound p {
  color: var(--color-text-dim);
  margin-bottom: 28px;
}

/* ===== 文末标签 ===== */
.article-tags {
  max-width: 900px;
  margin: 48px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.tags-label {
  font-size: 14px;
  color: var(--color-text-dim);
  font-weight: 500;
}

.tag-item {
  display: inline-block;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: var(--trans);
}

.tag-item:hover {
  background: rgba(0,145,255,0.12);
  border-color: rgba(0,145,255,0.35);
  color: #6cbfff;
}

/* ===== 上一篇 / 下一篇 ===== */
.article-prevnext {
  max-width: 900px;
  margin: 36px auto 0;
  display: flex;
  gap: 16px;
}

.article-prevnext a {
  flex: 1;
  padding: 20px 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  border-radius: 12px;
  color: var(--color-text-dim);
  text-decoration: none;
  transition: var(--trans);
  font-size: 14px;
}

.article-prevnext a:hover {
  border-color: rgba(0,145,255,0.35);
  background: rgba(0,145,255,0.08);
  color: var(--color-text);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.prevnext-label {
  display: block;
  font-size: 12px;
  color: var(--color-text-dim);
  margin-bottom: 6px;
}

.prevnext-title {
  display: block;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 80px 0 64px;
  background: rgba(6,13,28,0.4);
  border-top: 1px solid var(--color-border);
}

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

.section-header h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.35;
  margin: 0;
}

.section-sub-line {
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-sub-line::before {
  content: '';
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
  border-radius: 2px;
}

.section-more {
  font-size: 14px;
  color: var(--color-text-dim);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--trans);
}

.section-more:hover {
  color: var(--color-active);
}

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

.related-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  transition: var(--trans);
  display: block;
}

.related-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,145,255,0.35);
  box-shadow: 0 20px 50px rgba(0,0,0,0.3), 0 0 30px rgba(0,145,255,0.08);
}

.card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.related-card:hover .card-img img {
  transform: scale(1.04);
}

.related-card .card-body {
  padding: 20px 22px 24px;
}

.card-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: rgba(0,145,255,0.15);
  border: 1px solid rgba(0,145,255,0.25);
  color: #6cbfff;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 12px;
}

.related-card .card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card .card-excerpt {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}

.related-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-dim);
}

/* ===== 返回列表按钮 ===== */
.back-to-list {
  text-align: center;
  padding: 48px 0 0;
}

.btn-outline-dashed {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 34px;
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-dim);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--trans);
  cursor: pointer;
}

.btn-outline-dashed:hover {
  border-color: var(--color-active);
  color: var(--color-active);
  background: rgba(0,145,255,0.06);
  transform: translateY(-2px);
}

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

.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.cta-section::before {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0,145,255,0.15), transparent 70%);
  top: -80px;
  left: -50px;
}

.cta-section::after {
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255,159,28,0.10), transparent 70%);
  bottom: -60px;
  right: 10px;
}

.cta-panel {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 56px 48px;
  background: linear-gradient(135deg, rgba(255,255,255,0.10), rgba(255,255,255,0.02));
  border: 1px solid var(--color-border);
  border-radius: 20px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  text-align: center;
}

@supports not (backdrop-filter: blur(20px)) {
  .cta-panel {
    background: rgba(14, 28, 52, 0.95);
  }
}

.cta-panel h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 14px;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.cta-panel .cta-sub {
  font-size: 16px;
  color: var(--color-text-dim);
  margin-bottom: 34px;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--color-bg-deep);
  padding: 72px 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-col {
  padding: 0 12px 40px;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 14px;
  color: var(--color-text-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--color-text-dim);
}

.footer-col ul li a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color 0.3s;
}

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

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  text-decoration: none;
  transition: var(--trans);
}

.social-links a:hover {
  background: rgba(0,145,255,0.15);
  border-color: rgba(0,145,255,0.35);
  color: #6cbfff;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--color-text-dim);
  margin: 0;
}

.footer-bottom .dot {
  margin: 0 8px;
  color: rgba(255,255,255,0.2);
}

/* ===== 响应式 ===== */
@media screen and (max-width: 1023px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 767px) {
  .site-header {
    height: 60px;
  }

  .site-nav {
    height: 60px;
  }

  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-cta-desktop {
    display: none;
  }

  .breadcrumb {
    padding: 90px 0 4px;
  }

  .article-header {
    padding: 24px 0 36px;
  }

  .article-title {
    font-size: 1.6rem;
  }

  .article-meta {
    gap: 12px;
    font-size: 13px;
  }

  .article-prevnext {
    flex-direction: column;
    margin-top: 28px;
  }

  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .cta-panel {
    padding: 40px 24px;
  }

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

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

  .footer-col {
    padding-bottom: 32px;
  }
}

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

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

  .article-body > p:first-of-type {
    font-size: 16px;
  }

  .article-tags {
    gap: 8px;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .article-notfound {
    margin: 110px auto 80px;
    padding: 60px 20px;
  }
}

/* ===== 可访问性 ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-active);
  outline-offset: 3px;
}

/* roulang page: category2 */
:root {
            --color-primary: #0a1e3c;
            --color-active: #0091ff;
            --color-accent: #ff9f1c;
            --color-cyan: #22d3ee;
            --color-bg: #0a1428;
            --color-bg-deep: #060d1c;
            --color-surface: rgba(255, 255, 255, 0.05);
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #e9f0f8;
            --color-text-dim: #8fa3bf;
            --color-ok: #4ade80;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-glow: 0 8px 32px rgba(0, 145, 255, 0.28);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a:hover {
            color: #4db8ff;
        }

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

        ul,
        ol {
            list-style: none;
            padding: 0;
        }

        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: 72px;
            transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
            background: transparent;
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(10, 20, 40, 0.75);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom-color: rgba(255, 255, 255, 0.06);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #0091ff, #0062d6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(0, 145, 255, 0.4);
        }

        .brand-name {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.02em;
            background: linear-gradient(90deg, #e9f0f8, #ffffff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: 40px;
        }

        .nav-link {
            position: relative;
            color: var(--color-text);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            letter-spacing: 0.02em;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
            border-radius: 2px;
            transition: width 0.35s ease;
        }

        .nav-link:hover {
            color: var(--color-active);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--color-active);
        }

        .nav-link.active::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: none;
            font-size: 15px;
            font-weight: 600;
            font-family: inherit;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #0091ff, #0062d6);
            box-shadow: 0 4px 20px rgba(0, 145, 255, 0.4);
            color: #fff;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 145, 255, 0.5);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 12px rgba(0, 145, 255, 0.35);
        }

        .btn-accent {
            background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
            box-shadow: 0 4px 20px rgba(255, 159, 28, 0.4);
            color: #0a1428;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(255, 159, 28, 0.5);
            color: #0a1428;
        }

        .btn-accent:active {
            transform: translateY(1px);
            box-shadow: 0 2px 12px rgba(255, 159, 28, 0.35);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--color-text);
        }

        .btn-outline:hover {
            border-color: var(--color-active);
            box-shadow: 0 0 20px rgba(0, 145, 255, 0.15);
            color: var(--color-active);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
            border-radius: 8px;
        }

        .nav-cta-desktop {
            display: inline-flex;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 10px;
            border-radius: 8px;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-text);
            margin: 5px 0;
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover span {
            background: var(--color-active);
        }

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: rgba(8, 15, 30, 0.98);
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            z-index: 1099;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 40px 32px;
            transition: right 0.4s ease;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .mobile-drawer .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 28px;
            margin-bottom: 40px;
        }

        .mobile-drawer .nav-link {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding-bottom: 12px;
        }

        .mobile-drawer .nav-link.active {
            color: var(--color-active);
        }

        .mobile-drawer .btn {
            width: 100%;
        }

        .drawer-close {
            position: absolute;
            top: 20px;
            right: 24px;
            background: transparent;
            border: none;
            color: var(--color-text);
            font-size: 28px;
            cursor: pointer;
            padding: 10px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
        }

        .drawer-close:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--color-active);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1098;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .drawer-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 160px 0 90px;
            background:
                linear-gradient(135deg, rgba(10, 30, 60, 0.88), rgba(6, 13, 28, 0.94)),
                linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-size: auto, 40px 40px, 40px 40px, cover;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .page-hero::after {
            content: "";
            position: absolute;
            top: 80px;
            right: 10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 159, 28, 0.12), transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 145, 255, 0.15);
            border: 1px solid rgba(0, 145, 255, 0.3);
            color: #7fc4ff;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }

        .hero-tag i {
            font-size: 14px;
        }

        .page-hero h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff, #c5d9f2);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .page-hero .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--color-text-dim);
            margin-bottom: 36px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-btns .btn {
            padding: 14px 32px;
            font-size: 16px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 16px 0;
            background: rgba(6, 13, 28, 0.4);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

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

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

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-text);
        }

        /* ========== Section Common ========== */
        .section {
            padding: 96px 0;
            position: relative;
        }

        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-cyan);
            background: rgba(34, 211, 238, 0.08);
            border: 1px solid rgba(34, 211, 238, 0.2);
            padding: 5px 16px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-dim);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== Benefits Section ========== */
        .benefits-section {
            background: var(--color-bg);
        }

        .benefit-card {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--color-border);
            border-radius: var(--radius);
            padding: 32px 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .benefit-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .benefit-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 145, 255, 0.3);
            box-shadow: 0 12px 40px rgba(0, 145, 255, 0.12);
        }

        .benefit-card:hover::before {
            opacity: 1;
        }

        .benefit-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 145, 255, 0.15), rgba(0, 145, 255, 0.05));
            border: 1px solid rgba(0, 145, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--color-active);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .benefit-card:hover .benefit-icon {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(0, 145, 255, 0.25);
        }

        .benefit-card h3 {
            font-size: 19px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .benefit-card p {
            font-size: 14px;
            color: var(--color-text-dim);
            line-height: 1.75;
        }

        /* ========== Stats Section ========== */
        .stats-section {
            background:
                linear-gradient(rgba(6, 13, 28, 0.92), rgba(6, 13, 28, 0.92)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
        }

        .stat-number {
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            background: linear-gradient(135deg, #22d3ee, #0091ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 6px;
            display: inline-block;
        }

        .stat-item:nth-child(even) .stat-number {
            background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
            -webkit-background-clip: text;
            background-clip: text;
        }

        .stat-label {
            font-size: 14px;
            color: var(--color-text-dim);
            letter-spacing: 0.06em;
        }

        /* ========== Scenarios Section ========== */
        .scenarios-section {
            background: var(--color-bg);
        }

        .scenario-wrap {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .scenario-media {
            flex: 0 0 46%;
        }

        .scenario-media img {
            border-radius: 16px;
            aspect-ratio: 4/3;
            object-fit: cover;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .scenario-content {
            flex: 1;
        }

        .scenario-content .section-tag {
            margin-bottom: 14px;
        }

        .scenario-content h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .scenario-content>p {
            color: var(--color-text-dim);
            font-size: 15px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .scenario-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .scenario-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 20px;
            transition: var(--transition);
        }

        .scenario-item:hover {
            background: rgba(0, 145, 255, 0.08);
            border-color: rgba(0, 145, 255, 0.25);
            transform: translateY(-3px);
        }

        .scenario-item i {
            color: var(--color-accent);
            font-size: 18px;
            margin-bottom: 10px;
        }

        .scenario-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .scenario-item p {
            font-size: 13px;
            color: var(--color-text-dim);
            line-height: 1.6;
        }

        /* ========== Plans Section ========== */
        .plans-section {
            background: var(--color-bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .plan-card {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 36px 30px;
            height: 100%;
            position: relative;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .plan-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
            border-color: rgba(0, 145, 255, 0.3);
        }

        .plan-card.featured {
            border-color: rgba(255, 159, 28, 0.4);
            box-shadow: 0 8px 40px rgba(255, 159, 28, 0.12);
            background: linear-gradient(135deg, rgba(255, 159, 28, 0.10), rgba(255, 255, 255, 0.02));
        }

        .plan-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
            color: #0a1428;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 18px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 16px rgba(255, 159, 28, 0.4);
            white-space: nowrap;
        }

        .plan-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .plan-desc {
            font-size: 13px;
            color: var(--color-text-dim);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .plan-price {
            margin-bottom: 24px;
        }

        .plan-price .price-symbol {
            font-size: 20px;
            vertical-align: top;
            color: var(--color-text-dim);
        }

        .plan-price .price-num {
            font-size: 46px;
            font-weight: 700;
            font-family: "Inter", "DIN Alternate", sans-serif;
            line-height: 1;
            background: linear-gradient(135deg, #22d3ee, #0091ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .plan-card.featured .price-num {
            background: linear-gradient(135deg, #ff9f1c, #ff7f2a);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .plan-price .price-unit {
            font-size: 14px;
            color: var(--color-text-dim);
            margin-left: 4px;
        }

        .plan-features {
            flex: 1;
            margin-bottom: 28px;
        }

        .plan-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
        }

        .plan-features li:last-child {
            border-bottom: none;
        }

        .plan-features li i {
            color: var(--color-ok);
            font-size: 14px;
            margin-top: 4px;
        }

        .plan-card .btn {
            width: 100%;
        }

        /* ========== Process Section ========== */
        .process-section {
            background: var(--color-bg);
        }

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

        .process-steps::before {
            content: "";
            position: absolute;
            top: 32px;
            left: 8%;
            right: 8%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 145, 255, 0.3), transparent);
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 8px;
        }

        .step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-bg), #0f2440);
            border: 2px solid rgba(0, 145, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-active);
            margin: 0 auto 20px;
            font-family: "Inter", "DIN Alternate", sans-serif;
            box-shadow: 0 0 24px rgba(0, 145, 255, 0.15);
            transition: var(--transition);
        }

        .process-step:hover .step-num {
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: 0 0 28px rgba(255, 159, 28, 0.2);
            transform: scale(1.05);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--color-text-dim);
            line-height: 1.6;
        }

        /* ========== FAQ Section ========== */
        .faq-section {
            background: var(--color-bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item.open {
            border-color: rgba(0, 145, 255, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 22px 24px;
            cursor: pointer;
            user-select: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            transition: var(--transition);
        }

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

        .faq-q-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 145, 255, 0.12);
            border: 1px solid rgba(0, 145, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-active);
            flex-shrink: 0;
        }

        .faq-toggle {
            margin-left: auto;
            width: 24px;
            height: 24px;
            position: relative;
            flex-shrink: 0;
        }

        .faq-toggle::before,
        .faq-toggle::after {
            content: "";
            position: absolute;
            background: var(--color-text-dim);
            border-radius: 2px;
            transition: var(--transition);
        }

        .faq-toggle::before {
            width: 12px;
            height: 2px;
            top: 11px;
            left: 6px;
        }

        .faq-toggle::after {
            width: 2px;
            height: 12px;
            top: 6px;
            left: 11px;
        }

        .faq-item.open .faq-toggle::after {
            transform: scaleY(0);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 22px 70px;
            font-size: 14px;
            color: var(--color-text-dim);
            line-height: 1.8;
        }

        .faq-answer-inner .a-icon {
            color: var(--color-accent);
            font-weight: 700;
            margin-right: 4px;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 90px 0;
            position: relative;
            background:
                linear-gradient(rgba(6, 13, 28, 0.88), rgba(10, 20, 40, 0.92)),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 30px;
            left: 15%;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 145, 255, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: 30px;
            right: 12%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 159, 28, 0.1), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel {
            position: relative;
            z-index: 2;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
        }

        .cta-text {
            flex: 1;
            min-width: 280px;
        }

        .cta-text h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-text p {
            color: var(--color-text-dim);
            font-size: 16px;
            line-height: 1.7;
        }

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

        .cta-actions .btn {
            padding: 15px 32px;
            font-size: 15px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-bg-deep);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 0;
        }

        .site-footer .grid-container {
            max-width: 1200px;
        }

        .footer-col {
            padding: 20px 8px 40px;
        }

        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .footer-brand-name .brand-icon {
            width: 34px;
            height: 34px;
            font-size: 17px;
        }

        .footer-col p {
            font-size: 13px;
            color: var(--color-text-dim);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .footer-col h4 {
            color: var(--color-text);
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, var(--color-active), var(--color-cyan));
            border-radius: 2px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li {
            font-size: 13px;
            color: var(--color-text-dim);
            line-height: 1.6;
        }

        .footer-col ul li a {
            color: var(--color-text-dim);
            font-size: 13px;
            transition: var(--transition);
        }

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

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-links a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-dim);
            font-size: 16px;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: rgba(0, 145, 255, 0.15);
            border-color: rgba(0, 145, 255, 0.3);
            color: var(--color-active);
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 22px 0;
            text-align: center;
        }

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

        .footer-bottom .dot {
            margin: 0 6px;
            color: rgba(255, 255, 255, 0.2);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1023px) {
            .nav-links.nav-desktop {
                display: none;
            }

            .nav-cta-desktop {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .site-header {
                height: 60px;
            }

            .site-nav {
                height: 60px;
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }

            .process-steps::before {
                display: none;
            }

            .scenario-wrap {
                flex-direction: column;
                gap: 36px;
            }

            .scenario-media {
                flex: 0 0 auto;
                width: 100%;
            }

            .cta-panel {
                padding: 40px 28px;
                text-align: center;
                justify-content: center;
            }

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

        @media (max-width: 767px) {
            .section {
                padding: 64px 0;
            }

            .page-hero {
                padding: 120px 0 64px;
            }

            .page-hero .hero-subtitle {
                font-size: 15px;
            }

            .hero-btns .btn {
                width: 100%;
                max-width: 320px;
            }

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

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

            .stat-number {
                font-size: 32px;
            }

            .plan-card {
                margin-bottom: 24px;
            }

            .cta-panel {
                padding: 32px 20px;
                flex-direction: column;
                align-items: stretch;
            }

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

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

            .footer-col {
                padding: 16px 0 32px;
            }

            .breadcrumb {
                font-size: 13px;
            }
        }

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

            .brand-name {
                font-size: 19px;
            }

            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 17px;
            }

            .section-head {
                margin-bottom: 40px;
            }

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

            .page-hero h1 {
                font-size: 1.8rem;
            }

            .page-hero .hero-subtitle {
                font-size: 14px;
            }

            .stat-number {
                font-size: 28px;
            }

            .stat-label {
                font-size: 12px;
            }

            .benefit-card {
                padding: 24px 20px;
            }

            .plan-card {
                padding: 28px 22px;
            }

            .plan-price .price-num {
                font-size: 36px;
            }

            .faq-question {
                padding: 18px 16px;
                font-size: 14px;
            }

            .faq-item .faq-answer-inner {
                padding: 0 16px 18px 54px;
                font-size: 13px;
            }
        }

        /* ========== Utility ========== */
        @supports not ((-webkit-backdrop-filter: blur(20px)) or (backdrop-filter: blur(20px))) {
            .cta-panel {
                background: rgba(10, 20, 40, 0.95);
            }

            .site-header.scrolled {
                background: rgba(10, 20, 40, 0.95);
            }
        }

        .dot-separator {
            color: rgba(255, 255, 255, 0.2);
            margin: 0 6px;
        }