/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --color-primary: #1B6DF2;
  --color-primary-hover: #1554C4;
  --color-accent: #2FD6A8;
  --color-accent-hover: #22B088;
  --color-glow: #6EE7F9;
  --color-warm: #D4A853;
  --color-bg: #0A1A2F;
  --color-bg-alt: #0F2238;
  --color-card: #102A44;
  --color-text: #EDF3FA;
  --color-text-secondary: #A8BBD1;
  --color-text-muted: #7D94AC;
  --border-glass: rgba(255,255,255,0.10);
  --glass-bg: rgba(255,255,255,0.05);
  --radius-card: 18px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --space-section: clamp(64px, 9vw, 110px);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.45);
  --container-max: 1280px;
  --transition: 0.3s ease;
  --header-height: 72px;
  --tabbar-height: 60px;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Inter", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-glow); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
button { cursor: pointer; background: none; color: inherit; }
:focus-visible { outline: 2px solid var(--color-glow); outline-offset: 3px; border-radius: 4px; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 32px; }
.section { padding: var(--space-section) 0; position: relative; }

/* ========== 区块标题 ========== */
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em;
  color: var(--color-accent); background: rgba(47,214,168,0.10);
  border: 1px solid rgba(47,214,168,0.30);
  padding: 6px 18px; border-radius: var(--radius-pill);
  text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 700; line-height: 1.4; color: var(--color-text);
  margin-bottom: 12px;
}
.section-subtitle {
  font-size: 1rem; color: var(--color-text-secondary);
  max-width: 560px; margin-bottom: 0; line-height: 1.8;
}
.section-head { margin-bottom: clamp(36px, 5vw, 60px); display: flex; flex-direction: column; align-items: flex-start; }

/* ========== 按钮 ========== */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 0 32px; height: 48px; min-height: 44px;
  border-radius: var(--radius-btn); font-size: 0.92rem; font-weight: 600;
  transition: all var(--transition); white-space: nowrap; border: none;
}
.button--primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff; box-shadow: 0 0 20px rgba(29,140,248,0.45);
}
.button--primary:hover {
  filter: brightness(1.08); color: #fff; transform: translateY(-2px);
  box-shadow: 0 6px 32px rgba(29,140,248,0.6);
}
.button--secondary {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border-glass);
  color: var(--color-text); backdrop-filter: blur(8px);
}
.button--secondary:hover { background: rgba(255,255,255,0.14); color: var(--color-accent); transform: translateY(-2px); }
.button--ghost { background: transparent; border: 1px solid rgba(47,214,168,0.40); color: var(--color-accent); }
.button--ghost:hover { background: rgba(47,214,168,0.10); color: var(--color-glow); }
.button--dark { background: rgba(10,26,47,0.75); color: #fff; backdrop-filter: blur(8px); }
.button--dark:hover { background: rgba(10,26,47,0.92); color: var(--color-accent); }
.button--sm { height: 40px; padding: 0 20px; font-size: 0.85rem; }
.button--lg { height: 54px; padding: 0 44px; font-size: 1rem; }
.button__arrow { transition: transform var(--transition); }
.button:hover .button__arrow { transform: translateX(4px); }

/* ========== 顶部导航 ========== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  display: flex; align-items: center;
  background: rgba(10,26,47,0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(10,26,47,0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.30);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.site-logo { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; font-weight: 800; color: var(--color-text); letter-spacing: 0.02em; }
.site-logo i { color: var(--color-accent); font-size: 1.4rem; }
.site-logo:hover { color: var(--color-text); }
.site-logo .logo-highlight { color: var(--color-accent); }
.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav li a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 18px; border-radius: var(--radius-pill);
  font-size: 0.92rem; font-weight: 500; color: var(--color-text-secondary);
  position: relative; transition: all var(--transition);
}
.main-nav li a:hover { color: var(--color-text); background: rgba(255,255,255,0.06); }
.main-nav li a.active { color: var(--color-accent); }
.main-nav li a.active::after {
  content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 2px;
  width: 24px; height: 2px; background: var(--color-accent); border-radius: 2px;
}
.nav-cta { margin-left: 8px !important; }
.nav-cta a {
  padding: 8px 22px !important; background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff !important; border-radius: var(--radius-pill); font-weight: 600;
  box-shadow: 0 0 16px rgba(29,140,248,0.35);
}
.nav-cta a:hover { filter: brightness(1.08); box-shadow: 0 4px 24px rgba(29,140,248,0.5); }
.header-hamburger { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; color: var(--color-text); font-size: 1.3rem; }

/* ========== 移动端底部Tab ========== */
.mobile-tabbar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  height: calc(var(--tabbar-height) + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(8,19,32,0.95); backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-glass);
}
.mobile-tabbar__inner { display: flex; height: var(--tabbar-height); }
.mobile-tabbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; font-size: 11px; font-weight: 500; color: var(--color-text-muted);
}
.mobile-tabbar a i { font-size: 20px; transition: transform var(--transition); }
.mobile-tabbar a.active { color: var(--color-accent); }
.mobile-tabbar a.active i { transform: translateY(-2px); }
.mobile-menu {
  display: none; position: fixed; top: var(--header-height); right: 0; bottom: 0; z-index: 998;
  width: min(320px, 85vw); background: rgba(10,26,47,0.98); backdrop-filter: blur(24px);
  border-left: 1px solid var(--border-glass); padding: 32px 28px;
  transform: translateX(100%); transition: transform var(--transition);
}
.mobile-menu.open { transform: translateX(0); display: block; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 8px; }
.mobile-menu li a {
  display: flex; align-items: center; gap: 14px; padding: 14px 18px;
  border-radius: var(--radius-card); color: var(--color-text-secondary);
  font-size: 1.05rem; font-weight: 500; background: rgba(255,255,255,0.03);
}
.mobile-menu li a:hover { background: rgba(47,214,168,0.10); color: var(--color-accent); }
.mobile-menu li a i { width: 24px; text-align: center; color: var(--color-accent); }
.mobile-menu-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 997; }
.mobile-menu-overlay.open { display: block; }

/* ========== Hero ========== */
.hero {
  position: relative; min-height: 90vh; display: flex; align-items: center;
  padding: calc(var(--header-height) + 48px) 0 64px;
  background: linear-gradient(135deg, rgba(10,26,47,0.92), rgba(10,26,47,0.65) 45%, rgba(15,34,56,0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  z-index: 1;
}
.hero::after {
  content: ""; position: absolute; top: -60%; right: -30%; width: 70%; height: 160%;
  background: radial-gradient(circle at center, rgba(110,231,249,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 2; display: flex; align-items: center; gap: clamp(32px, 5vw, 80px); width: 100%; }
.hero__content { flex: 1.1; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(47,214,168,0.12); border: 1px solid rgba(47,214,168,0.35);
  color: var(--color-accent); font-size: 0.8rem; font-weight: 600;
  padding: 6px 18px; border-radius: var(--radius-pill); margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.hero__title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 800; line-height: 1.25; color: var(--color-text);
  margin-bottom: 20px;
}
.hero__title .highlight { background: linear-gradient(90deg, var(--color-accent), var(--color-glow)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.hero__subtitle {
  font-size: clamp(1rem, 1.4vw, 1.15rem); color: var(--color-text-secondary);
  max-width: 520px; margin-bottom: 36px; line-height: 1.9;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }}
.hero__media { flex: 0.9; position: relative; }
.hero__media-img {
  border-radius: 20px; overflow: hidden; border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--shadow-card); position: relative;
  backdrop-filter: blur(12px); background: var(--glass-bg);
}
.hero__media-img img { width: 100%; height: auto; object-fit: cover; min-height: 260px; }
.hero__media-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(45deg, rgba(27,109,242,0.10), transparent 50%);
}
.hero__float-card {
  position: absolute; background: rgba(15,34,56,0.85);
  backdrop-filter: blur(16px); border: 1px solid var(--border-glass);
  border-radius: 16px; padding: 14px 22px; display: flex; align-items: center; gap: 12px;
  box-shadow: var(--shadow-card); z-index: 3;
}
.hero__float-card--top { top: 18px; left: -22px; }
.hero__float-card--bottom { bottom: 24px; right: -18px; }
.hero__float-card .fc-icon {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(47,214,168,0.15); display: flex; align-items: center; justify-content: center;
  color: var(--color-accent); font-size: 1rem;
}
.hero__float-card .fc-num { font-size: 1.15rem; font-weight: 700; color: var(--color-text); line-height: 1.2; }
.hero__float-card .fc-label { font-size: 0.7rem; color: var(--color-text-muted); }
.hero__scroll {
  position: absolute; bottom: 32px; left: 32px; z-index: 3;
  display: flex; align-items: center; gap: 12px; color: var(--color-text-muted);
  font-size: 0.8rem; letter-spacing: 0.1em;
}
.hero__scroll-icon { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border-glass); display: flex; align-items: center; justify-content: center; animation: bounce 2s infinite; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* ========== 价值主张 ========== */
.value-props { background: transparent; padding-top: calc(var(--space-section) - 80px); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.value-card {
  background: var(--glass-bg); backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-card);
  padding: 32px 28px; box-shadow: var(--shadow-card);
  transition: all var(--transition); position: relative; overflow: hidden;
}
.value-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent 60%);
}
.value-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.18); box-shadow: var(--shadow-hover); }
.value-card__icon {
  width: 54px; height: 54px; border-radius: 14px;
  background: rgba(47,214,168,0.12); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; color: var(--color-accent); font-size: 1.4rem;
  border: 1px solid rgba(47,214,168,0.20);
}
.value-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--color-text); }
.value-card__text { font-size: 0.92rem; color: var(--color-text-secondary); line-height: 1.75; }

/* ========== 运动项目 ========== */
.sports-section { background: var(--color-bg-alt); }
.sports-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sport-card {
  background: rgba(16,42,68,0.75); backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-card);
  overflow: hidden; transition: all var(--transition);
  display: flex; flex-direction: column;
}
.sport-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.20); box-shadow: var(--shadow-hover); }
.sport-card__media { position: relative; height: 180px; overflow: hidden; }
.sport-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.sport-card:hover .sport-card__media img { transform: scale(1.05); }
.sport-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(16,42,68,0.6), transparent); }
.sport-card__body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.sport-card__icon {
  width: 42px; height: 42px; border-radius: 12px;
  background: rgba(47,214,168,0.12); display: flex; align-items: center; justify-content: center;
  color: var(--color-accent); font-size: 1.05rem; margin-bottom: 16px;
}
.sport-card__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.sport-card__desc { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; flex: 1; }
.sport-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.88rem; font-weight: 600; color: var(--color-accent);
  margin-top: 18px; transition: gap var(--transition);
}
.sport-card__link i { font-size: 0.75rem; transition: transform var(--transition); }
.sport-card__link:hover i { transform: translateX(4px); }
.sport-card__link:hover { color: var(--color-glow); }

/* ========== 使用场景 ========== */
.scene-section { background: var(--color-bg); }
.scene-row { display: flex; align-items: center; gap: clamp(24px, 5vw, 60px); margin-bottom: clamp(48px, 7vw, 80px); }
.scene-row:nth-child(even) { flex-direction: row-reverse; }
.scene-row__media { flex: 1; border-radius: var(--radius-card); overflow: hidden; position: relative; box-shadow: var(--shadow-card); }
.scene-row__media img { width: 100%; height: 260px; object-fit: cover; }
.scene-row__content { flex: 1; }
.scene-row__title { font-size: clamp(1.2rem, 2vw, 1.5rem); font-weight: 700; margin-bottom: 12px; }
.scene-row__desc { color: var(--color-text-secondary); font-size: 0.95rem; line-height: 1.8; margin-bottom: 18px; }
.scene-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.scene-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: var(--radius-pill);
  background: rgba(47,214,168,0.08); border: 1px solid rgba(47,214,168,0.25);
  color: var(--color-accent); font-size: 0.8rem; font-weight: 500;
}
.scene-banner {
  margin-top: 40px; border-radius: 20px; padding: 44px 48px;
  background: linear-gradient(120deg, rgba(47,214,168,0.20), rgba(27,109,242,0.20)), url('/assets/images/backpic/back-2.webp') center/cover;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  border: 1px solid rgba(47,214,168,0.20); position: relative; overflow: hidden;
}
.scene-banner::before { content: ""; position: absolute; inset: 0; background: rgba(10,26,47,0.55); }
.scene-banner h3 { position: relative; z-index: 1; font-size: clamp(1.2rem, 2.2vw, 1.6rem); font-weight: 700; max-width: 440px; }
.scene-banner .button { position: relative; z-index: 1; }

/* ========== 数据成果 ========== */
.stats-section { background: var(--color-bg-alt); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-bottom: 60px; }
.stat-item { text-align: center; padding: 10px 0; }
.stat-item__num {
  font-size: clamp(2rem, 3.2vw, 2.6rem); font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), var(--color-glow));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  display: inline-block; line-height: 1.2; margin-bottom: 6px;
}
.stat-item__label { font-size: 0.88rem; color: var(--color-text-secondary); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  background: var(--glass-bg); backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-card);
  overflow: hidden; transition: all var(--transition); display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.20); box-shadow: var(--shadow-hover); }
.case-card__media { height: 170px; overflow: hidden; position: relative; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; }
.case-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,34,56,0.5), transparent); }
.case-card__badge { position: absolute; top: 14px; left: 14px; z-index: 2; font-size: 0.75rem; font-weight: 600; padding: 4px 12px; border-radius: var(--radius-pill); background: rgba(47,214,168,0.22); color: var(--color-accent); border: 1px solid rgba(47,214,168,0.35); backdrop-filter: blur(8px); }
.case-card__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.case-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.case-card__desc { font-size: 0.86rem; color: var(--color-text-secondary); flex: 1; line-height: 1.7; }
.case-card__link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--color-accent); margin-top: 14px; }
.case-card__link i { font-size: 0.7rem; transition: transform var(--transition); }
.case-card__link:hover i { transform: translateX(4px); }

/* ========== 会员方案 ========== */
.plans-section { background: var(--color-bg); }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: stretch; }
.plan-card {
  background: var(--glass-bg); backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass); border-radius: 20px;
  padding: 36px 30px; display: flex; flex-direction: column;
  transition: all var(--transition); position: relative;
}
.plan-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.20); box-shadow: var(--shadow-hover); }
.plan-card--featured {
  background: rgba(47,214,168,0.08);
  border: 1px solid rgba(47,214,168,0.35);
  transform: scale(1.02); box-shadow: 0 8px 40px rgba(47,214,168,0.10);
}
.plan-card--featured:hover { transform: scale(1.02) translateY(-6px); }
.plan-card__badge {
  position: absolute; top: -12px; right: 22px;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--color-accent), var(--color-glow));
  color: #0A1A2F; padding: 4px 14px; border-radius: var(--radius-pill);
}
.plan-card__name { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.plan-card__price { display: flex; align-items: baseline; gap: 4px; margin: 16px 0; }
.plan-card__price .symbol { font-size: 1rem; color: var(--color-text-muted); }
.plan-card__price .amount { font-size: clamp(1.8rem, 2.4vw, 2.2rem); font-weight: 800; color: var(--color-text); }
.plan-card__price .unit { font-size: 0.85rem; color: var(--color-text-muted); }
.plan-card__features { flex: 1; margin-bottom: 24px; }
.plan-card__features li { display: flex; align-items: flex-start; gap: 10px; padding: 7px 0; font-size: 0.9rem; color: var(--color-text-secondary); }
.plan-card__features li i { color: var(--color-accent); font-size: 0.8rem; margin-top: 5px; }
.plan-card .button { width: 100%; }

/* ========== 最新资讯（CMS区域） ========== */
.news-section { background: var(--color-bg-alt); }
.news-section .section-head { align-items: center; justify-content: space-between; flex-direction: row; }
.news-section .section-head-left { display: flex; flex-direction: column; align-items: flex-start; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: rgba(16,42,68,0.75); backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass); border-radius: var(--radius-card);
  overflow: hidden; transition: all var(--transition);
  display: flex; flex-direction: column; height: 100%;
}
.news-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,0.20); box-shadow: var(--shadow-hover); }
.news-card__link { display: flex; flex-direction: column; height: 100%; color: var(--color-text); }
.news-card__link:hover { color: var(--color-text); }
.news-card__media { height: 170px; overflow: hidden; position: relative; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-card__media img { transform: scale(1.04); }
.news-card__body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.news-card__meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.news-card__badge {
  font-size: 0.72rem; font-weight: 600;
  padding: 3px 12px; border-radius: var(--radius-pill);
  background: rgba(47,214,168,0.12); border: 1px solid rgba(47,214,168,0.30);
  color: var(--color-accent); display: inline-block;
}
.news-card__date { font-size: 0.82rem; color: var(--color-text-muted); }
.news-card__title { font-size: 1.02rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__summary { font-size: 0.86rem; color: var(--color-text-secondary); line-height: 1.7; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card__more { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 600; color: var(--color-accent); margin-top: 16px; }
.news-card__more i { font-size: 0.7rem; transition: transform var(--transition); }
.news-card:hover .news-card__more i { transform: translateX(4px); }
.news-more-link { color: var(--color-text-secondary); font-size: 0.9rem; font-weight: 500; display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: var(--radius-pill); transition: all var(--transition); }
.news-more-link:hover { color: var(--color-accent); background: rgba(255,255,255,0.04); }

/* 空状态 */
.empty-state {
  background: var(--glass-bg); backdrop-filter: blur(12px);
  border: 1px dashed rgba(255,255,255,0.20);
  border-radius: var(--radius-card); padding: 56px 32px;
  text-align: center; grid-column: 1 / -1;
}
.empty-state__icon { font-size: 2.4rem; margin-bottom: 16px; color: var(--color-accent); }
.empty-state__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 6px; }
.empty-state__desc { font-size: 0.88rem; color: var(--color-text-secondary); margin-bottom: 20px; }

/* ========== CTA区 ========== */
.cta-section {
  position: relative; padding: var(--space-section) 0;
  background: linear-gradient(135deg, rgba(27,109,242,0.25), rgba(10,26,47,0.85) 60%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  overflow: hidden;
}
.cta-section::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(47,214,168,0.15) 0%, transparent 50%);
}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-left h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.cta-left p { color: var(--color-text-secondary); font-size: 0.95rem; }
.cta-right { display: flex; gap: 16px; flex-wrap: wrap; }

/* ========== FAQ ========== */
.faq-section { background: var(--color-bg); }
.faq-list { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--glass-bg); backdrop-filter: blur(12px); border: 1px solid var(--border-glass); border-radius: var(--radius-card); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(255,255,255,0.18); }
.faq-item__question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 20px 26px; font-size: 1rem; font-weight: 600; color: var(--color-text);
  text-align: left; transition: color var(--transition);
}
.faq-item__question:hover { color: var(--color-accent); }
.faq-item__question .icon { font-size: 0.9rem; color: var(--color-text-muted); transition: transform var(--transition); }
.faq-item.open .faq-item__question .icon { transform: rotate(180deg); color: var(--color-accent); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-item__answer-inner { padding: 0 26px 22px; font-size: 0.92rem; color: var(--color-text-secondary); line-height: 1.8; }
.faq-more { text-align: center; margin-top: 28px; }

/* ========== 页脚 ========== */
.site-footer { background: #081320; border-top: 1px solid rgba(255,255,255,0.06); padding: 60px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.4fr 0.8fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand p { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.8; margin-top: 14px; max-width: 300px; }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--color-text); margin-bottom: 18px; letter-spacing: 0.04em; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 0.88rem; color: var(--color-text-secondary); transition: all var(--transition); }
.footer-col ul li a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-col ul li i { width: 18px; color: var(--color-accent); font-size: 0.8rem; margin-right: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--color-text-muted);
}
.footer-bottom a { color: var(--color-text-muted); }
.footer-bottom a:hover { color: var(--color-accent); }

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
  .container { padding: 0 24px; }
  .value-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .sports-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .case-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .plans-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .plan-card { padding: 28px 22px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .scene-row, .scene-row:nth-child(even) { flex-direction: column; }
  .scene-row__media { width: 100%; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media screen and (max-width: 768px) {
  .container { padding: 0 20px; }
  .main-nav { display: none; }
  .header-hamburger { display: flex; }
  .hero { min-height: calc(100vh - var(--header-height)); padding: calc(var(--header-height) + 32px) 0 80px; }
  .hero__inner { flex-direction: column; gap: 24px; }
  .hero__content { text-align: center; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__media { width: 100%; }
  .hero__float-card--top { left: 8px; }
  .hero__float-card--bottom { right: 8px; }
  .hero__scroll { display: none; }
  .value-grid { grid-template-columns: 1fr; }
  .sports-grid { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .plans-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .plan-card--featured { transform: scale(1); }
  .plan-card--featured:hover { transform: scale(1) translateY(-6px); }
  .news-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .scene-banner { padding: 32px; flex-direction: column; text-align: center; }
  .cta-inner { flex-direction: column; text-align: center; justify-content: center; }
  .cta-right { justify-content: center; }
  .mobile-tabbar { display: block; }
  .site-footer { padding-bottom: calc(var(--tabbar-height) + env(safe-area-inset-bottom)); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .news-section .section-head { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media screen and (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero__actions { flex-direction: column; width: 100%; }
  .hero__actions .button { width: 100%; }
  .hero__float-card { padding: 10px 16px; }
  .hero__float-card .fc-icon { width: 34px; height: 34px; font-size: 0.9rem; }
  .hero__float-card .fc-num { font-size: 1rem; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 16px; }
  .section-title { font-size: 1.3rem; }
  .cta-right { flex-direction: column; width: 100%; }
  .cta-right .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* 滚动提示动画 */
@keyframes bounceDown { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* roulang page: article */
:root {
  --color-primary: #1B6DF2;
  --color-primary-dark: #1554C4;
  --color-accent: #2FD6A8;
  --color-accent-dark: #22B088;
  --color-moon: #6EE7F9;
  --color-gold: #D4A853;
  --bg-page: #0A1A2F;
  --bg-alt: #0F2238;
  --bg-card: #102A44;
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.10);
  --text-main: #EDF3FA;
  --text-secondary: #A8BBD1;
  --text-muted: #7D94AC;
  --text-body: #D4E2F0;
  --radius-card: 18px;
  --radius-btn: 12px;
  --radius-tag: 999px;
  --space-section: clamp(64px, 9vw, 110px);
  --container-max: 1280px;
  --shadow-card: 0 6px 20px rgba(0,0,0,0.25);
  --shadow-hover: 0 12px 36px rgba(0,0,0,0.35);
  --transition: 0.3s ease;
}
*,*::before,*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg-page);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  padding-top: 72px;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  display: inline-block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
ul, ol {
  list-style: none;
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}
body.frozen {
  overflow: hidden;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: 700;
  transition: all 0.3s ease;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  box-shadow: 0 0 20px rgba(29, 140, 248, 0.45);
}
.btn-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 0 30px rgba(29, 140, 248, 0.65);
  transform: translateY(-2px);
  color: #fff;
}
.btn-outline {
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.2);
  color: var(--color-accent);
  transform: translateY(-2px);
}
.btn-lg {
  height: 54px;
  padding: 0 36px;
  font-size: 1rem;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: rgba(10,26,47,0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: rgba(10,26,47,0.92);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.01em;
}
.site-logo i {
  font-size: 1.6rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-moon));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.logo-highlight {
  background: linear-gradient(135deg, var(--color-accent), var(--color-moon));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav ul li a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  transition: color 0.3s ease, background 0.3s ease;
}
.main-nav ul li a i {
  font-size: 0.85rem;
  opacity: 0.75;
}
.main-nav ul li a:hover {
  color: var(--text-main);
  background: rgba(255,255,255,0.06);
}
.main-nav ul li a.active {
  color: var(--color-accent);
}
.main-nav ul li a.active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(47,214,168,0.6);
}
.nav-cta a {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff !important;
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  box-shadow: 0 0 16px rgba(29,140,248,0.4);
  margin-left: 8px;
}
.nav-cta a:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}
.nav-cta a.active::after {
  display: none;
}
.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}
.mobile-toggle:hover {
  background: rgba(255,255,255,0.14);
}
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(60px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(10,26,47,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,255,255,0.08);
  z-index: 1100;
  justify-content: space-around;
  align-items: center;
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 56px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  transition: color 0.3s ease;
}
.tab-item i {
  font-size: 18px;
  margin-bottom: 1px;
}
.tab-item.active {
  color: var(--color-accent);
}
.tab-item:hover {
  color: var(--text-main);
}
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 320px;
  background: rgba(10,26,47,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-left: 1px solid var(--glass-border);
  box-shadow: -12px 0 48px rgba(0,0,0,0.5);
  z-index: 1200;
  transform: translateX(105%);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  padding: 24px;
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open {
  transform: translateX(0);
}
.drawer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 28px;
}
.drawer-logo i {
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-moon));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.drawer-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  color: var(--text-main);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.drawer-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background 0.3s ease, color 0.3s ease;
}
.drawer-links a:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-main);
}
.drawer-links a.active {
  color: var(--color-accent);
  background: rgba(47,214,168,0.08);
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(2px);
  z-index: 1150;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}
.article-hero {
  position: relative;
  background: linear-gradient(125deg, rgba(10,26,47,0.92) 0%, rgba(15,34,56,0.88) 55%, rgba(16,42,68,0.92) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: clamp(52px, 7vw, 80px) 0 clamp(36px, 5vw, 52px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}
.breadcrumb a:hover {
  color: var(--color-accent);
}
.breadcrumb .sep {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
}
.breadcrumb .current {
  color: var(--text-muted);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.article-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
  max-width: 840px;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.meta-item i {
  color: var(--color-accent);
  font-size: 0.8rem;
}
.article-body {
  background: var(--bg-page);
  padding: clamp(48px, 6vw, 72px) 0 var(--space-section);
}
.article-container {
  max-width: 720px;
}
.post-content {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-body);
}
.post-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 2.2em 0 0.8em;
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
  line-height: 1.4;
}
.post-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 1.8em 0 0.6em;
  line-height: 1.4;
}
.post-content p {
  margin-bottom: 1.5em;
  line-height: 1.9;
}
.post-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-content a:hover {
  color: var(--color-moon);
}
.post-content img {
  display: block;
  border-radius: 12px;
  max-width: 100%;
  height: auto;
  margin: 1.8em auto;
  box-shadow: var(--shadow-card);
}
.post-content figure {
  margin: 1.8em auto;
  text-align: center;
}
.post-content figure img {
  margin: 0 auto;
}
.post-content figcaption {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 10px;
  line-height: 1.5;
}
.post-content ul {
  list-style: none;
  margin: 1em 0 1.5em;
  padding-left: 0;
}
.post-content ul li {
  padding-left: 24px;
  position: relative;
  line-height: 2;
  margin-bottom: 4px;
}
.post-content ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.85em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 6px rgba(47,214,168,0.5);
}
.post-content ol {
  list-style: none;
  counter-reset: post-ol;
  margin: 1em 0 1.5em;
  padding-left: 0;
}
.post-content ol li {
  counter-increment: post-ol;
  padding-left: 32px;
  position: relative;
  line-height: 2;
  margin-bottom: 4px;
}
.post-content ol li::before {
  content: counter(post-ol) ".";
  position: absolute;
  left: 4px;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
}
.post-content blockquote {
  margin: 1.8em 0;
  padding: 16px 20px;
  background: rgba(47,214,168,0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 12px 12px 0;
  color: var(--text-secondary);
  font-style: normal;
  line-height: 1.8;
}
.post-content blockquote p {
  margin-bottom: 0;
}
.post-content table {
  width: 100%;
  margin: 1.8em 0;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.post-content th {
  background: var(--bg-alt);
  color: var(--text-main);
  font-weight: 700;
  padding: 12px 14px;
  text-align: left;
  border: 1px solid rgba(255,255,255,0.12);
}
.post-content td {
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-body);
}
.post-content code {
  background: rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: "SF Mono", "Consolas", monospace;
  color: var(--color-moon);
}
.post-content pre {
  background: var(--bg-alt);
  padding: 20px 24px;
  border-radius: 12px;
  margin: 1.5em 0;
  overflow-x: auto;
  border: 1px solid var(--glass-border);
}
.post-content pre code {
  background: none;
  padding: 0;
  color: var(--text-body);
}
.tag-area {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  border: 1px solid rgba(47,214,168,0.35);
  background: rgba(47,214,168,0.08);
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.3s ease;
}
.tag-item:hover {
  background: rgba(47,214,168,0.16);
  border-color: rgba(47,214,168,0.6);
}
.empty-state {
  text-align: center;
  padding: clamp(60px, 10vw, 100px) 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  backdrop-filter: blur(12px);
}
.empty-state i {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.empty-state h2 {
  font-size: 1.5rem;
  color: var(--text-main);
  margin-bottom: 12px;
}
.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}
.related-section {
  background: var(--bg-alt);
  padding: var(--space-section) 0;
}
.section-header {
  text-align: center;
  margin-bottom: clamp(36px, 5vw, 52px);
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  border-radius: var(--radius-tag);
  background: rgba(47,214,168,0.1);
  border: 1px solid rgba(47,214,168,0.3);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 10px;
  line-height: 1.3;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}
.related-grid {
  margin: 0 -12px;
}
.related-col {
  padding: 0 12px 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
  height: 100%;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47,214,168,0.3);
  box-shadow: var(--shadow-hover);
}
.related-img {
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .related-img img {
  transform: scale(1.03);
}
.related-info {
  padding: 20px 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.related-info h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
  transition: color 0.3s ease;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover .related-info h3 {
  color: var(--color-accent);
}
.related-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
}
.related-date i {
  font-size: 0.75rem;
}
.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(27,109,242,0.55) 0%, rgba(47,214,168,0.15) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: var(--space-section) 0;
  text-align: center;
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 14px;
  line-height: 1.35;
}
.cta-inner p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 28px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer {
  background: #081320;
  padding-top: clamp(48px, 6vw, 80px);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
}
.footer-brand .site-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-moon));
  border-radius: 2px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.footer-col ul li a {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s ease, transform 0.3s ease;
}
.footer-col ul li a:hover {
  color: var(--color-accent);
  transform: translateX(2px);
}
.footer-col ul li a i {
  font-size: 0.7rem;
  color: var(--color-accent);
}
.footer-col ul li i.fa-map-marker-alt,
.footer-col ul li i.fa-phone-alt,
.footer-col ul li i.fa-envelope {
  color: var(--color-accent);
  margin-top: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 840px) {
  body {
    padding-top: 0;
  }
  .site-header {
    display: none;
  }
  .mobile-tabbar {
    display: flex;
  }
  .mobile-toggle {
    display: inline-flex;
  }
  .mobile-header {
    display: flex;
  }
  .article-hero {
    padding-top: 32px;
  }
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .related-col {
    padding-bottom: 16px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 640px) {
  .article-title {
    font-size: 1.4rem;
    line-height: 1.4;
  }
  .article-meta {
    gap: 12px;
  }
  .meta-item {
    font-size: 0.78rem;
  }
  .post-content {
    font-size: 0.95rem;
  }
  .post-content h2 {
    font-size: 1.2rem;
  }
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
  .cta-actions .btn {
    width: 100%;
    max-width: 320px;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: category1 */
:root{
  --color-primary:#1B6DF2;
  --color-primary-dark:#1554C4;
  --color-accent:#2FD6A8;
  --color-accent-dark:#22B088;
  --color-moon:#6EE7F9;
  --color-gold:#D4A853;
  --bg-page:#0A1A2F;
  --bg-alt:#0F2238;
  --bg-card:#102A44;
  --glass-bg:rgba(255,255,255,0.05);
  --glass-border:rgba(255,255,255,0.10);
  --glass-border-strong:rgba(255,255,255,0.18);
  --text-main:#EDF3FA;
  --text-sub:#A8BBD1;
  --text-weak:#7D94AC;
  --text-body:#D4E2F0;
  --radius-card:18px;
  --radius-btn:10px;
  --radius-pill:999px;
  --space-section:clamp(64px, 9vw, 110px);
  --shadow-card:0 6px 20px rgba(0,0,0,0.25);
  --shadow-hover:0 12px 36px rgba(0,0,0,0.35);
  --transition:0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-page);
  color:var(--text-main);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color 0.3s ease;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.container{max-width:1280px;margin:0 auto;padding:0 32px;}
.container .row{max-width:none;}
.row{max-width:1280px;}
.section{padding:var(--space-section) 0;}
@media(max-width:639px){
  .container{padding:0 16px;}
}
body.no-scroll{overflow:hidden;}

/* 顶部导航 */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:72px;
  z-index:1000;
  background:rgba(10,26,47,0.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:background 0.3s ease,box-shadow 0.3s ease;
}
.site-header.scrolled{
  background:rgba(10,26,47,0.94);
  box-shadow:0 4px 30px rgba(0,0,0,0.35);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.site-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.25rem;
  font-weight:700;
  color:var(--text-main);
  white-space:nowrap;
}
.site-logo i{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(135deg,rgba(27,109,242,0.25),rgba(47,214,168,0.25));
  border:1px solid rgba(47,214,168,0.3);
  color:var(--color-accent);
  font-size:1.1rem;
}
.logo-highlight{
  background:linear-gradient(135deg,var(--color-accent),var(--color-moon));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  font-weight:800;
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
}
.main-nav ul li{margin:0;}
.main-nav ul li a{
  display:flex;
  align-items:center;
  gap:6px;
  padding:10px 16px;
  border-radius:var(--radius-btn);
  font-size:0.95rem;
  font-weight:500;
  color:var(--text-sub);
  position:relative;
  transition:all 0.3s ease;
}
.main-nav ul li a:hover{
  color:var(--text-main);
  background:rgba(255,255,255,0.05);
}
.main-nav ul li a.active{
  color:var(--color-accent);
}
.main-nav ul li a.active::after{
  content:"";
  position:absolute;
  bottom:2px;left:16px;right:16px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--color-accent),var(--color-moon));
}
.main-nav ul li.nav-cta a{
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  color:#fff;
  font-weight:700;
  box-shadow:0 0 18px rgba(29,140,248,0.4);
  padding:10px 22px;
}
.main-nav ul li.nav-cta a:hover{
  filter:brightness(1.08);
  box-shadow:0 0 28px rgba(29,140,248,0.6);
  transform:translateY(-1px);
  color:#fff;
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(255,255,255,0.05);
  color:var(--text-main);
  font-size:1.2rem;
  transition:all 0.3s ease;
}
.menu-toggle:hover{background:rgba(255,255,255,0.1);}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  top:0;right:-320px;
  width:300px;
  height:100vh;
  background:rgba(10,26,47,0.98);
  backdrop-filter:blur(20px);
  z-index:2000;
  padding:30px 24px;
  transition:right 0.3s ease;
  border-left:1px solid rgba(255,255,255,0.08);
  display:flex;
  flex-direction:column;
}
.mobile-drawer.open{right:0;}
.drawer-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:32px;
}
.drawer-close{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.1);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);
  font-size:1rem;
  transition:all 0.3s ease;
}
.drawer-close:hover{color:var(--color-accent);border-color:var(--color-accent);}
.mobile-drawer nav ul li{margin-bottom:6px;}
.mobile-drawer nav ul li a{
  display:flex;
  align-items:center;
  gap:14px;
  padding:13px 16px;
  border-radius:12px;
  color:var(--text-sub);
  font-size:1rem;
  transition:all 0.3s ease;
}
.mobile-drawer nav ul li a i{width:22px;text-align:center;color:var(--text-weak);transition:color 0.3s ease;}
.mobile-drawer nav ul li a:hover,
.mobile-drawer nav ul li a.active{
  background:rgba(255,255,255,0.06);
  color:var(--text-main);
}
.mobile-drawer nav ul li a:hover i,
.mobile-drawer nav ul li a.active i{color:var(--color-accent);}
.mobile-drawer nav ul li.nav-cta{margin-top:16px;}
.mobile-drawer nav ul li.nav-cta a{
  justify-content:center;
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  color:#fff;
  font-weight:700;
  box-shadow:0 0 18px rgba(29,140,248,0.4);
}
.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.5);
  z-index:1999;
  opacity:0;
  visibility:hidden;
  transition:opacity 0.3s ease,visibility 0.3s ease;
}
.drawer-overlay.show{opacity:1;visibility:visible;}

/* Hero */
.category-hero{
  position:relative;
  min-height:45vh;
  display:flex;
  align-items:center;
  padding:120px 0 70px;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  overflow:hidden;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(10,26,47,0.88) 0%,rgba(10,26,47,0.72) 55%,rgba(15,34,56,0.85) 100%);
  z-index:1;
}
.category-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:100px;
  background:linear-gradient(180deg,transparent,var(--bg-page));
  z-index:2;
}
.category-hero .container{position:relative;z-index:3;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:var(--radius-pill);
  background:rgba(47,214,168,0.12);
  border:1px solid rgba(47,214,168,0.35);
  color:var(--color-accent);
  font-size:0.85rem;
  font-weight:600;
  letter-spacing:1px;
  margin-bottom:18px;
}
.category-hero h1{
  font-size:clamp(2rem,4.2vw,3.2rem);
  font-weight:800;
  line-height:1.3;
  color:var(--text-main);
  margin-bottom:16px;
}
.gradient-text{
  background:linear-gradient(135deg,var(--color-accent),var(--color-moon));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.category-hero .hero-desc{
  font-size:1.05rem;
  color:var(--text-sub);
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 30px;
  border-radius:var(--radius-btn);
  font-size:1rem;
  font-weight:600;
  transition:all 0.3s ease;
}
.btn-lg{min-height:52px;padding:0 36px;font-size:1.05rem;}
.btn-primary{
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  color:#fff;
  box-shadow:0 0 20px rgba(29,140,248,0.45);
}
.btn-primary:hover{
  filter:brightness(1.08);
  box-shadow:0 0 34px rgba(29,140,248,0.65);
  transform:translateY(-2px);
  color:#fff;
}
.btn-primary i{transition:transform 0.3s ease;}
.btn-primary:hover i{transform:translateX(4px);}
.btn-secondary{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  color:var(--text-main);
  backdrop-filter:blur(8px);
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.14);
  border-color:rgba(255,255,255,0.22);
  color:var(--color-accent);
  transform:translateY(-2px);
}
.btn-secondary:focus,
.btn-primary:focus{outline:2px solid var(--color-accent);outline-offset:3px;}
.hero-stats{
  display:flex;
  gap:40px;
  margin-top:44px;
  flex-wrap:wrap;
}
.hero-stat{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.hero-stat .num{
  font-size:1.65rem;
  font-weight:800;
  background:linear-gradient(135deg,var(--color-accent),var(--color-moon));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.hero-stat .label{
  font-size:0.85rem;
  color:var(--text-weak);
}

/* 分类介绍 */
.category-about{
  padding:var(--space-section) 0;
  background:linear-gradient(180deg,var(--bg-page) 0%,var(--bg-alt) 100%);
}
.section-head{
  text-align:center;
  margin-bottom:52px;
}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:var(--radius-pill);
  background:rgba(47,214,168,0.1);
  border:1px solid rgba(47,214,168,0.28);
  color:var(--color-accent);
  font-size:0.8rem;
  font-weight:700;
  letter-spacing:2px;
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:800;
  color:var(--text-main);
  line-height:1.35;
  margin-bottom:12px;
}
.section-head .section-desc{
  font-size:1rem;
  color:var(--text-sub);
  max-width:640px;
  margin:0 auto;
}
.about-grid{
  display:flex;
  gap:50px;
  align-items:center;
}
.about-text{
  flex:1.1;
}
.about-text .lead{
  font-size:1.1rem;
  color:var(--text-body);
  line-height:1.9;
  margin-bottom:16px;
}
.about-text p{
  color:var(--text-sub);
  margin-bottom:14px;
  font-size:0.98rem;
  line-height:2;
}
.about-media{
  flex:0.9;
  position:relative;
}
.about-media img{
  width:100%;
  height:380px;
  object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
}
.about-media::before{
  content:"";
  position:absolute;
  inset:-18px -18px auto auto;
  width:130px;height:130px;
  border-radius:20px;
  background:radial-gradient(circle,rgba(47,214,168,0.2),transparent 70%);
  z-index:-1;
}
.about-data{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:56px;
}
.data-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:24px 18px;
  text-align:center;
  backdrop-filter:blur(12px);
  transition:all 0.3s ease;
}
.data-item:hover{
  transform:translateY(-4px);
  border-color:var(--glass-border-strong);
  box-shadow:var(--shadow-hover);
}
.data-item i{
  font-size:1.4rem;
  color:var(--color-accent);
  margin-bottom:8px;
  display:block;
}
.data-item .num{
  font-size:1.6rem;
  font-weight:800;
  background:linear-gradient(135deg,var(--color-accent),var(--color-moon));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.3;
}
.data-item .desc{
  font-size:0.85rem;
  color:var(--text-weak);
  margin-top:2px;
}

/* 项目卡片 */
.program-cards{
  padding:var(--space-section) 0;
  background:var(--bg-page);
}
.cards-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.program-card{
  position:relative;
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-card);
  overflow:hidden;
  backdrop-filter:blur(12px);
  transition:all 0.3s ease;
}
.program-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(110,231,249,0.5),transparent);
  z-index:1;
}
.program-card:hover{
  transform:translateY(-6px);
  border-color:var(--glass-border-strong);
  box-shadow:var(--shadow-hover);
}
.program-card .card-img{
  height:180px;
  overflow:hidden;
  position:relative;
}
.program-card .card-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform 0.4s ease;
}
.program-card:hover .card-img img{transform:scale(1.03);}
.program-card .card-index{
  position:absolute;
  bottom:8px;left:16px;
  font-size:2.6rem;
  font-weight:800;
  color:rgba(47,214,168,0.2);
  line-height:1;
  z-index:1;
}
.card-body{
  padding:22px;
}
.card-body h3{
  font-size:1.15rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:8px;
}
.card-body p{
  font-size:0.9rem;
  color:var(--text-sub);
  line-height:1.8;
  margin-bottom:14px;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:0.9rem;
  font-weight:600;
  color:var(--color-accent);
  transition:gap 0.3s ease;
}
.card-link:hover{gap:12px;color:var(--color-moon);}
.data-band{
  grid-column:1/-1;
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  min-height:220px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border:1px solid var(--glass-border);
}
.data-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(10,26,47,0.85),rgba(27,109,242,0.55),rgba(47,214,168,0.35));
}
.band-content{
  position:relative;
  z-index:1;
  text-align:center;
  padding:40px 30px;
  max-width:800px;
}
.band-content .big-num{
  font-size:clamp(2rem,4vw,3rem);
  font-weight:800;
  background:linear-gradient(135deg,var(--color-accent),var(--color-moon));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1.2;
}
.band-content p{
  color:var(--text-main);
  font-size:1rem;
  margin-top:8px;
}
.band-content .band-tags{
  display:flex;
  gap:10px;
  justify-content:center;
  margin-top:16px;
  flex-wrap:wrap;
}
.band-tag{
  display:inline-block;
  padding:4px 14px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.2);
  font-size:0.8rem;
  color:var(--text-main);
}

/* 资讯区 */
.news-anchor{
  padding:var(--space-section) 0;
  background:var(--bg-alt);
}
.news-anchor .section-head{text-align:left;margin-bottom:36px;}
.news-anchor .section-head .section-desc{margin:0;}
.news-list{
  max-width:860px;
  margin:0 auto;
}
.news-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 8px;
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:all 0.3s ease;
}
.news-row:hover{
  padding-left:18px;
  background:rgba(255,255,255,0.03);
  border-radius:12px;
}
.news-row .news-info{
  display:flex;
  align-items:center;
  gap:18px;
  flex:1;
}
.news-row .date{
  font-size:0.85rem;
  color:var(--text-weak);
  white-space:nowrap;
  border:1px solid rgba(255,255,255,0.1);
  padding:3px 10px;
  border-radius:var(--radius-pill);
}
.news-row .title{
  font-size:1rem;
  color:var(--text-main);
  font-weight:500;
  transition:color 0.3s ease;
}
.news-row:hover .title{color:var(--color-accent);}
.news-arrow{
  color:var(--text-weak);
  transition:all 0.3s ease;
}
.news-row:hover .news-arrow{
  color:var(--color-accent);
  transform:translateX(4px);
}

/* FAQ */
.faq-section{
  padding:var(--space-section) 0;
  background:var(--bg-page);
}
.faq-wrapper{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:14px;
  backdrop-filter:blur(10px);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color 0.3s ease;
}
.faq-item.active{
  border-color:rgba(47,214,168,0.4);
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  color:var(--text-main);
  transition:color 0.3s ease;
}
.faq-question:hover{color:var(--color-accent);}
.faq-question i{
  font-size:0.9rem;
  color:var(--text-weak);
  transition:transform 0.3s ease;
  flex-shrink:0;
}
.faq-item.active .faq-question i{
  transform:rotate(180deg);
  color:var(--color-accent);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.35s ease;
}
.faq-item.active .faq-answer{
  max-height:300px;
}
.faq-answer p{
  padding:0 22px 18px;
  font-size:0.95rem;
  color:var(--text-sub);
  line-height:1.9;
  border-left:2px solid rgba(47,214,168,0.5);
  margin-left:22px;
  margin-right:8px;
}

/* CTA */
.cta-section{
  padding:var(--space-section) 0;
  background:linear-gradient(135deg,var(--bg-alt) 0%,#0A1A2F 100%);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(circle at 30% 70%,rgba(47,214,168,0.12),transparent 45%),
             radial-gradient(circle at 70% 30%,rgba(27,109,242,0.15),transparent 40%);
}
.cta-inner{
  position:relative;
  z-index:1;
  text-align:center;
  max-width:720px;
  margin:0 auto;
}
.cta-inner h2{
  font-size:clamp(1.8rem,3vw,2.4rem);
  font-weight:800;
  color:var(--text-main);
  margin-bottom:14px;
  line-height:1.4;
}
.cta-inner p{
  color:var(--text-sub);
  font-size:1rem;
  margin-bottom:32px;
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}

/* 页脚 */
.site-footer{
  background:#081320;
  border-top:1px solid rgba(255,255,255,0.06);
  padding:70px 0 30px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(47,214,168,0.4),transparent);
}
.footer-top{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:45px;
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.footer-brand .site-logo{margin-bottom:14px;}
.footer-brand p{
  font-size:0.92rem;
  color:var(--text-weak);
  line-height:1.9;
  max-width:360px;
}
.footer-col h4{
  font-size:0.95rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:24px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--color-accent),var(--color-moon));
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.92rem;
  color:var(--text-sub);
  transition:all 0.3s ease;
}
.footer-col ul li a i{
  font-size:0.7rem;
  color:var(--text-weak);
  transition:all 0.3s ease;
}
.footer-col ul li a:hover{
  color:var(--color-accent);
  padding-left:4px;
}
.footer-col ul li a:hover i{
  color:var(--color-accent);
  transform:translateX(2px);
}
.footer-col ul li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.92rem;
  color:var(--text-sub);
}
.footer-col ul li i{
  color:var(--color-accent);
  font-size:0.95rem;
  width:18px;
  text-align:center;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding-top:24px;
  font-size:0.85rem;
  color:var(--text-weak);
}

/* 移动端底部Tab */
.bottom-tab-nav{
  display:none;
  position:fixed;
  bottom:0;left:0;right:0;
  height:calc(62px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(10,26,47,0.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid rgba(255,255,255,0.08);
  z-index:1500;
  justify-content:space-around;
  align-items:stretch;
}
.bottom-tab-nav .tab-item{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:12px;
  color:var(--text-weak);
  transition:color 0.3s ease;
  position:relative;
}
.bottom-tab-nav .tab-item i{
  font-size:20px;
  transition:all 0.3s ease;
}
.bottom-tab-nav .tab-item.active,
.bottom-tab-nav .tab-item:hover{
  color:var(--color-accent);
}
.bottom-tab-nav .tab-item.active i{
  transform:translateY(-2px);
}
.bottom-tab-nav .tab-item.nav-cta-tab{
  color:var(--color-accent);
}

/* 响应式 */
@media(max-width:1024px){
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr 1fr;}
  .about-grid{gap:30px;}
  .about-media img{height:320px;}
}
@media(max-width:840px){
  .about-grid{flex-direction:column;}
  .about-media{width:100%;}
  .about-media img{height:280px;}
  .about-data{grid-template-columns:repeat(2,1fr);gap:14px;}
}
@media(max-width:639px){
  .site-header{height:64px;}
  .header-inner{height:64px;}
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .category-hero{padding:100px 0 60px;}
  .category-hero h1{font-size:1.7rem;}
  .category-hero .hero-desc{font-size:0.95rem;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:24px;margin-top:30px;}
  .bottom-tab-nav{display:flex;}
  body{padding-bottom:calc(62px + env(safe-area-inset-bottom));}
  .cards-grid{grid-template-columns:1fr;gap:18px;}
  .program-card .card-img{height:200px;}
  .news-row{flex-direction:column;align-items:flex-start;gap:8px;}
  .news-arrow{display:none;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .data-band{min-height:180px;}
  .band-tags{gap:8px;}
}
@media(max-width:360px){
  .hero-stat .num{font-size:1.3rem;}
  .about-data{grid-template-columns:1fr;}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    transition-duration:0.01ms!important;
  }
}