/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #0f1b2d;
  --primary-light: #1a2a3f;
  --primary-dark: #0a1322;
  --accent: #e8b549;
  --accent-light: #f5d48a;
  --accent-dark: #d4a234;
  --bg: #f7f6f2;
  --bg-alt: #eef1f5;
  --bg-dark: #0f1b2d;
  --text: #1a1f2b;
  --text-weak: #6b7280;
  --text-light: #9aa3b2;
  --border: #e5e7eb;
  --border-dark: rgba(255,255,255,0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(15,27,45,0.06);
  --shadow-lg: 0 12px 48px rgba(15,27,45,0.14);
  --shadow-accent: 0 6px 28px rgba(232,181,73,0.28);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --space-section: 96px;
  --space-section-sm: 64px;
  --font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-family);
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
h1,h2,h3,h4,h5 { line-height: 1.25; font-weight: 700; color: var(--text); }
ul, ol { list-style: none; }

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

/* ========== 按钮 ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: var(--shadow-accent);
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 36px rgba(232,181,73,0.38);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible,
.btn-ghost:focus-visible,
.btn-nav:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.6);
  transform: translateY(-2px);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
  border-radius: 50px;
  box-shadow: var(--shadow-accent);
  transition: var(--transition);
}
.btn-nav:hover { background: var(--accent-light); transform: translateY(-2px); }
.btn-nav:active { transform: translateY(0); }

.btn-lg { padding: 18px 48px; font-size: 17px; border-radius: 56px; }

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15,27,45,0.5);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(15,27,45,0.94);
  box-shadow: 0 4px 24px rgba(0,0,0,0.35);
  border-bottom-color: rgba(255,255,255,0.06);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 12px;
  color: var(--primary-dark);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  white-space: nowrap;
}
.logo-text small { display: block; font-size: 11px; font-weight: 400; color: rgba(255,255,255,0.55); letter-spacing: 2px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 10px 18px;
  color: rgba(255,255,255,0.72);
  font-size: 14px;
  font-weight: 500;
  border-radius: 25px;
  transition: var(--transition);
  position: relative;
  letter-spacing: 0.3px;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.nav-link.active {
  color: var(--accent);
  background: rgba(232,181,73,0.12);
  font-weight: 600;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 160px 0 100px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  animation: heroZoom 18s ease-in-out infinite alternate;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,27,45,0.72) 0%, rgba(15,27,45,0.58) 50%, rgba(15,27,45,0.82) 100%);
  z-index: 1;
}
@keyframes heroZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.06); }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 24px;
  background: rgba(232,181,73,0.15);
  border: 1px solid rgba(232,181,73,0.4);
  border-radius: 50px;
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 28px;
  backdrop-filter: blur(6px);
}
.hero-content h1 {
  font-size: clamp(32px, 5.6vw, 64px);
  font-weight: 800;
  color: #fff;
  letter-spacing: 3px;
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 4px 32px rgba(0,0,0,0.4);
}
.hero-content h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-desc {
  color: rgba(255,255,255,0.82);
  font-size: 17px;
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* 倒计时 */
.countdown {
  margin-top: 8px;
}
.countdown-label {
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  letter-spacing: 2px;
  margin-bottom: 16px;
  display: block;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 20px 40px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 20px;
  backdrop-filter: blur(12px);
}
.timer-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
  letter-spacing: 2px;
  gap: 2px;
}
.timer-num {
  font-size: 38px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.timer-sep {
  font-size: 28px;
  color: rgba(255,255,255,0.4);
  font-weight: 300;
  padding-bottom: 18px;
}

/* ========== 通用板块 ========== */
section { padding: var(--space-section) 0; }
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 20px;
  background: rgba(232,181,73,0.1);
  border: 1px solid rgba(232,181,73,0.3);
  border-radius: 50px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== 核心优势 ========== */
.features {
  background: var(--bg);
  position: relative;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,181,73,0.35);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 22px;
  background: linear-gradient(135deg, rgba(232,181,73,0.15), rgba(232,181,73,0.08));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.65;
}

/* ========== 分类入口 ========== */
.categories {
  background: var(--bg-alt);
  position: relative;
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232,181,73,0.4);
}
.category-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition);
}
.category-card:hover img {
  transform: scale(1.04);
}
.category-card .card-body {
  padding: 28px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.category-card .card-tag {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 14px;
  background: rgba(232,181,73,0.12);
  border-radius: 20px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.category-card h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 10px;
}
.category-card p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
}
.card-more {
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.card-more i {
  transition: transform 0.3s ease;
  display: inline-block;
}
.category-card:hover .card-more i { transform: translateX(6px); }

/* ========== 最新资讯 ========== */
.news {
  background: var(--bg);
}
.news-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.news-item {
  display: flex;
  gap: 24px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 30px;
  transition: var(--transition);
}
.news-item:hover {
  border-color: rgba(232,181,73,0.4);
  box-shadow: var(--shadow);
  transform: translateX(6px);
}
.news-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 110px;
  border-right: 1px solid var(--border);
  padding-right: 24px;
  align-self: stretch;
  justify-content: center;
}
.news-cat {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(232,181,73,0.12);
  color: var(--accent-dark);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  align-self: flex-start;
  white-space: nowrap;
}
.news-date {
  color: var(--text-weak);
  font-size: 13px;
  letter-spacing: 1px;
  white-space: nowrap;
}
.news-content {
  flex: 1;
  min-width: 0;
}
.news-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
  transition: var(--transition);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.news-item:hover .news-content h3 {
  color: var(--accent-dark);
}
.news-content p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.no-data {
  text-align: center;
  color: var(--text-weak);
  font-size: 16px;
  padding: 48px 0;
  background: #fff;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* ========== 使用流程 ========== */
.steps {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.steps::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232,181,73,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.steps .section-head h2 { color: #fff; }
.steps .section-head p { color: rgba(255,255,255,0.6); }
.steps .section-tag {
  background: rgba(232,181,73,0.1);
  border-color: rgba(232,181,73,0.3);
  color: var(--accent);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}
.step-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.step-item:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
  border-color: rgba(232,181,73,0.4);
}
.step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary-dark);
  box-shadow: var(--shadow-accent);
}
.step-item h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-item p {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  line-height: 1.65;
}
.step-arrow {
  position: absolute;
  top: 50%;
  right: -18px;
  transform: translateY(-50%);
  color: rgba(255,255,255,0.3);
  font-size: 20px;
  z-index: 2;
}

/* ========== 赛事时间线 ========== */
.matches {
  background: var(--bg);
}
.match-scroll {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.match-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.match-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.match-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: rgba(232,181,73,0.35);
}
.match-card:hover::after { transform: scaleX(1); }
.match-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--primary-light);
  color: #fff;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.match-date {
  color: var(--text-weak);
  font-size: 13px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.match-teams {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}
.match-league {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
}

/* ========== FAQ ========== */
.faq {
  background: var(--bg-alt);
}
.faq-grid {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(232,181,73,0.3);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  cursor: pointer;
}
.faq-question:hover { color: var(--accent-dark); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(232,181,73,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent-dark);
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 28px 24px;
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

/* ========== CTA ========== */
.cta {
  position: relative;
  background: var(--bg-dark);
  padding: 110px 0;
  text-align: center;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.2;
}
.cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,27,45,0.9) 0%, rgba(15,27,45,0.75) 100%);
}
.cta .container {
  position: relative;
  z-index: 1;
}
.cta h2 {
  color: #fff;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.cta p {
  color: rgba(255,255,255,0.65);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 36px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--primary-dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 32px;
}
.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 28px;
}
.footer-brand {
  max-width: 360px;
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 12px;
}
.footer-brand p {
  color: rgba(255,255,255,0.45);
  font-size: 14px;
  line-height: 1.7;
}
.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-links a {
  padding: 8px 18px;
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
  border-color: rgba(232,181,73,0.4);
  background: rgba(232,181,73,0.08);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  :root {
    --space-section: 76px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .match-scroll {
    grid-template-columns: repeat(2, 1fr);
  }
  .step-arrow { display: none; }
  .news-item {
    padding: 20px 22px;
  }
}

@media (max-width: 768px) {
  :root {
    --space-section: 60px;
  }
  .nav-wrap {
    height: 68px;
  }
  .main-nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(15,27,45,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    transform: translateY(-140%);
    transition: transform 0.4s ease;
    gap: 4px;
    z-index: -1;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateY(0);
  }
  .nav-link {
    padding: 14px 18px;
    font-size: 15px;
    border-radius: 12px;
    color: rgba(255,255,255,0.85);
  }
  .nav-link.active {
    background: rgba(232,181,73,0.12);
  }
  .nav-link.active::after { display: none; }
  .btn-nav {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .logo-text {
    font-size: 16px;
  }
  .hero {
    padding: 140px 0 80px;
  }
  .hero-content h1 {
    font-size: 32px;
    letter-spacing: 1px;
  }
  .hero-desc {
    font-size: 15px;
    padding: 0 12px;
  }
  .countdown-timer {
    padding: 16px 24px;
  }
  .timer-num {
    font-size: 30px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .match-scroll {
    grid-template-columns: 1fr;
  }
  .news-list {
    gap: 14px;
  }
  .news-item {
    flex-direction: column;
    gap: 12px;
    text-align: left;
  }
  .news-meta {
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 12px;
    width: 100%;
  }
  .footer-top {
    flex-direction: column;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .cta {
    padding: 80px 0;
  }
}

@media (max-width: 520px) {
  :root {
    --space-section: 50px;
  }
  .container {
    padding: 0 18px;
  }
  .logo-text {
    font-size: 15px;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-ghost {
    width: 100%;
    justify-content: center;
  }
  .countdown-timer {
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 18px;
    gap: 6px;
  }
  .timer-num {
    font-size: 26px;
  }
  .news-item {
    padding: 16px 18px;
  }
  .news-content h3 {
    font-size: 15px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .faq-question {
    padding: 18px 20px;
    font-size: 15px;
  }
  .faq-answer-inner {
    padding: 0 20px 18px;
  }
  .btn-lg {
    padding: 16px 36px;
    font-size: 15px;
  }
}

/* roulang page: article */
:root {
    --primary: #0a1628;
    --primary-2: #101e33;
    --primary-3: #1a2d4a;
    --accent: #e9b83f;
    --accent-hover: #d4a428;
    --accent-soft: rgba(233, 184, 63, 0.14);
    --bg: #f4f6fa;
    --card: #ffffff;
    --text: #172233;
    --text-muted: #5c6a7d;
    --border: #dde4ed;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 10px rgba(8, 18, 32, 0.05);
    --shadow: 0 8px 30px rgba(8, 18, 32, 0.08);
    --shadow-lg: 0 18px 44px rgba(8, 18, 32, 0.12);
    --container: 1200px;
    --transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { font-family: inherit; border: none; cursor: pointer; background: none; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
a:focus-visible, button:focus-visible {
    outline: 3px solid rgba(233, 184, 63, 0.45);
    outline-offset: 2px;
    border-radius: 6px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.6);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(10, 22, 40, 0.92);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
    border-bottom-color: rgba(255, 255, 255, 0.04);
}
.nav-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--accent), #f8d878);
    color: var(--primary);
    font-weight: 800;
    font-size: 16px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(233, 184, 63, 0.35);
}
.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    color: #fff;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.5px;
}
.logo-text small {
    font-size: 10px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 1.5px;
    margin-top: 2px;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.main-nav .nav-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 4px;
    position: relative;
    white-space: nowrap;
    transition: var(--transition);
}
.main-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: var(--transition);
}
.main-nav .nav-link:hover { color: #fff; }
.main-nav .nav-link:hover::after { width: 100%; }
.main-nav .nav-link.active { color: var(--accent); }
.main-nav .nav-link.active::after { width: 100%; }
.btn-nav {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 22px;
    background: linear-gradient(135deg, var(--accent), #f2cd6b);
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    border-radius: 40px;
    box-shadow: 0 4px 16px rgba(233, 184, 63, 0.3);
    transition: var(--transition);
    white-space: nowrap;
}
.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(233, 184, 63, 0.42);
    color: var(--primary);
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
}
.nav-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===== Article Banner ===== */
.article-banner {
    position: relative;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    padding: 170px 0 90px;
    color: #fff;
    overflow: hidden;
}
.article-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6, 14, 28, 0.78) 40%, rgba(6, 14, 28, 0.55) 100%);
}
.article-banner .banner-inner { position: relative; z-index: 2; }
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.7); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: rgba(255, 255, 255, 0.35); }
.breadcrumb .current { color: var(--accent); }
.banner-tag {
    display: inline-flex;
    align-items: center;
    padding: 5px 16px;
    background: rgba(233, 184, 63, 0.15);
    border: 1px solid rgba(233, 184, 63, 0.45);
    border-radius: 30px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 18px;
}
.article-banner h1 {
    font-size: 42px;
    line-height: 1.3;
    font-weight: 800;
    max-width: 860px;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.banner-meta {
    display: flex;
    align-items: center;
    gap: 22px;
    flex-wrap: wrap;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}
.banner-meta span { display: flex; align-items: center; gap: 6px; }
.banner-meta .dot {
    width: 4px; height: 4px;
    background: var(--accent);
    border-radius: 50%;
}

/* ===== Article Body ===== */
.article-section {
    padding: 60px 0 30px;
}
.article-layout {
    max-width: 860px;
    margin: 0 auto;
}
.article-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 48px 52px;
    margin-bottom: 36px;
}
.article-content {
    font-size: 16px;
    line-height: 1.95;
    color: var(--text);
}
.article-content h2,
.article-content h3,
.article-content h4 {
    margin-top: 36px;
    margin-bottom: 16px;
    font-weight: 700;
    line-height: 1.4;
}
.article-content h2 {
    font-size: 26px;
    color: var(--primary);
    border-left: 4px solid var(--accent);
    padding-left: 16px;
}
.article-content h3 { font-size: 21px; color: var(--primary-2); }
.article-content h4 { font-size: 18px; color: var(--primary-2); }
.article-content p {
    margin-bottom: 20px;
    color: var(--text);
    font-size: 16px;
    line-height: 1.9;
}
.article-content ul,
.article-content ol {
    margin: 20px 0 24px;
    padding-left: 28px;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li {
    margin-bottom: 10px;
    line-height: 1.8;
    padding-left: 4px;
}
.article-content img {
    border-radius: var(--radius);
    margin: 28px 0;
    box-shadow: var(--shadow-sm);
}
.article-content blockquote {
    margin: 28px 0;
    padding: 20px 24px;
    background: var(--accent-soft);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text);
    font-size: 15px;
    font-style: italic;
}
.article-content blockquote p { margin-bottom: 0; }
.article-content a {
    color: #b8860b;
    border-bottom: 1px solid rgba(184, 134, 11, 0.3);
}
.article-content a:hover { border-bottom-color: #b8860b; color: #8a6608; }
.article-content table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 24px 0;
    font-size: 14px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.article-content table th {
    background: var(--primary);
    color: #fff;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
}
.article-content table td {
    padding: 11px 16px;
    border-top: 1px solid var(--border);
    background: var(--card);
}
.article-content table tr:nth-child(even) td { background: #fafbfd; }

/* ===== Tags ===== */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 36px;
    padding-top: 26px;
    border-top: 1px solid var(--border);
}
.article-tags .tag-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-right: 4px;
}
.article-tags a {
    display: inline-block;
    padding: 5px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
}
.article-tags a:hover {
    background: var(--accent-soft);
    border-color: rgba(233, 184, 63, 0.4);
    color: var(--primary);
}

/* ===== Not Found ===== */
.not-found-box {
    text-align: center;
    padding: 60px 20px;
}
.not-found-box h2 {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 16px;
}
.not-found-box p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 28px;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--accent), #f2cd6b);
    color: var(--primary);
    font-weight: 700;
    font-size: 15px;
    border-radius: 40px;
    box-shadow: 0 4px 18px rgba(233, 184, 63, 0.3);
    transition: var(--transition);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(233, 184, 63, 0.42);
    color: var(--primary);
}

/* ===== Related Section ===== */
.related-section {
    padding: 40px 0 50px;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-head .section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    position: relative;
    padding-bottom: 12px;
}
.section-head .section-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 52px; height: 3px;
    background: var(--accent);
    border-radius: 3px;
}
.section-head .section-sub {
    color: var(--text-muted);
    font-size: 14px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.rel-card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    display: block;
}
.rel-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(233, 184, 63, 0.3);
}
.rel-cover {
    position: relative;
    height: 170px;
    overflow: hidden;
    background: var(--primary);
}
.rel-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.rel-card:hover .rel-cover img {
    transform: scale(1.06);
}
.rel-cover .cover-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(6, 14, 28, 0.35));
}
.rel-cat {
    position: absolute;
    top: 12px; left: 14px;
    z-index: 2;
    padding: 4px 12px;
    background: rgba(10, 22, 40, 0.72);
    backdrop-filter: blur(8px);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
}
.rel-body {
    padding: 20px 22px 24px;
}
.rel-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 48px;
    transition: color 0.3s;
}
.rel-card:hover .rel-body h4 { color: #b8860b; }
.rel-body p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.rel-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 70px 0;
    position: relative;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    text-align: center;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.88), rgba(16, 30, 51, 0.82));
}
.cta-inner {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
    padding: 20px 0;
}
.cta-inner h2 {
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 1px;
}
.cta-inner h2 span { color: var(--accent); }
.cta-inner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 16px;
    margin-bottom: 30px;
}
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 38px;
    background: linear-gradient(135deg, var(--accent), #f2cd6b);
    color: var(--primary);
    font-weight: 700;
    font-size: 16px;
    border-radius: 40px;
    box-shadow: 0 6px 24px rgba(233, 184, 63, 0.4);
    transition: var(--transition);
}
.cta-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 36px rgba(233, 184, 63, 0.5);
    color: var(--primary);
}
.cta-note {
    display: block;
    margin-top: 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}
.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 50px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-wrap: wrap;
}
.footer-brand { max-width: 420px; }
.footer-logo {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.5px;
    display: inline-block;
    margin-bottom: 14px;
}
.footer-logo:hover { color: var(--accent); }
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.55);
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 6px;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .main-nav {
        position: fixed;
        top: 74px;
        left: 0; right: 0;
        background: rgba(10, 22, 40, 0.97);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 28px;
        gap: 6px;
        transform: translateY(-120%);
        transition: transform 0.4s ease;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
        height: auto;
    }
    .main-nav.open {
        transform: translateY(0);
    }
    .main-nav .nav-link {
        width: 100%;
        padding: 12px 0;
        font-size: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .main-nav .nav-link::after { display: none; }
    .main-nav .nav-link:last-child { border-bottom: none; }
    .nav-toggle { display: flex; }
    .btn-nav { display: none; }
    .article-banner h1 { font-size: 32px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-inner h2 { font-size: 28px; }
}
@media (max-width: 768px) {
    .container { padding: 0 20px; }
    .nav-wrap { height: 64px; }
    .logo-text { font-size: 15px; }
    .logo-icon { width: 36px; height: 36px; font-size: 14px; }
    .article-banner { padding: 130px 0 60px; }
    .article-banner h1 { font-size: 26px; }
    .article-card { padding: 30px 24px; border-radius: var(--radius); }
    .article-content { font-size: 15px; }
    .article-content h2 { font-size: 22px; }
    .article-content h3 { font-size: 18px; }
    .section-head .section-title { font-size: 24px; }
    .footer-top { flex-direction: column; gap: 30px; }
    .footer-links { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .logo-text { font-size: 14px; }
    .logo-text small { display: none; }
    .logo-icon { width: 32px; height: 32px; font-size: 12px; }
    .article-banner { padding: 110px 0 50px; }
    .article-banner h1 { font-size: 22px; }
    .banner-meta { gap: 12px; font-size: 13px; }
    .article-card { padding: 24px 18px; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-inner h2 { font-size: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --primary:#0b1f3a;
  --primary-deep:#071528;
  --primary-soft:#132c4c;
  --accent:#f0b90b;
  --accent-hover:#ffd24a;
  --accent-soft:#fdf4d6;
  --bg:#f4f6fb;
  --white:#ffffff;
  --text:#16233a;
  --text-light:#5d6d84;
  --border:#e2e8f2;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 35px rgba(11,31,58,0.08);
  --shadow-lg:0 20px 50px rgba(11,31,58,0.14);
  --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --container:1200px;
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}

/* ========== 基础 Reset ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
input,textarea{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
section{position:relative}

/* ========== 通用按钮 ========== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 28px;
  border-radius:50px;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-accent{
  background:var(--accent);
  color:var(--primary-deep);
  box-shadow:0 6px 20px rgba(240,185,11,0.3);
}
.btn-accent:hover{
  background:var(--accent-hover);
  transform:translateY(-2px);
  box-shadow:0 10px 28px rgba(240,185,11,0.42);
}
.btn-outline{
  border:1px solid rgba(255,255,255,0.6);
  color:#fff;
  background:rgba(255,255,255,0.08);
  backdrop-filter:blur(4px);
}
.btn-outline:hover{
  background:rgba(255,255,255,0.18);
  border-color:#fff;
  transform:translateY(-2px);
}
.btn-nav{
  display:inline-flex;
  align-items:center;
  padding:9px 22px;
  border-radius:50px;
  background:var(--accent);
  color:var(--primary-deep);
  font-size:14px;
  font-weight:600;
  transition:var(--transition);
  box-shadow:0 4px 16px rgba(240,185,11,0.28);
}
.btn-nav:hover{
  background:var(--accent-hover);
  transform:translateY(-1px);
  box-shadow:0 8px 24px rgba(240,185,11,0.36);
}

/* ========== 导航 ========== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(11,31,58,0.55);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,0.1);
  transition:var(--transition);
}
.site-header.scrolled{
  background:rgba(11,31,58,0.92);
  box-shadow:0 6px 30px rgba(7,21,40,0.3);
  border-bottom-color:rgba(255,255,255,0.06);
}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
  gap:24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  background:linear-gradient(135deg,var(--accent),#ff9f1a);
  color:var(--primary-deep);
  font-size:16px;
  font-weight:800;
  border-radius:12px;
  box-shadow:0 4px 14px rgba(240,185,11,0.35);
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.2;
  color:#fff;
  font-size:17px;
  font-weight:700;
  letter-spacing:.3px;
}
.logo-text small{
  font-size:10px;
  letter-spacing:2px;
  color:rgba(255,255,255,0.55);
  font-weight:400;
  margin-top:2px;
  text-transform:uppercase;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0 auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 16px;
  border-radius:50px;
  color:rgba(255,255,255,0.85);
  font-size:15px;
  font-weight:500;
  transition:var(--transition);
  position:relative;
}
.nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,0.1);
}
.nav-link.active{
  color:var(--accent);
  background:rgba(240,185,11,0.12);
  font-weight:600;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  padding:8px;
  border-radius:8px;
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.12);
}
.nav-toggle span{
  width:22px;height:2px;
  background:#fff;
  border-radius:2px;
  transition:var(--transition);
}
.nav-toggle:hover span{background:var(--accent)}

/* ========== 内页 Banner ========== */
.page-banner{
  min-height:380px;
  display:flex;
  align-items:flex-end;
  background-size:cover;
  background-position:center;
  position:relative;
  padding:140px 0 72px;
}
.page-banner::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,21,40,0.72) 0%,rgba(7,21,40,0.55) 55%,rgba(11,31,58,0.85) 100%);
}
.page-banner::after{
  content:'';
  position:absolute;
  bottom:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(240,185,11,0.4),transparent);
}
.banner-content{
  position:relative;
  z-index:2;
  color:#fff;
}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,0.7);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,0.85)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
.page-banner h1{
  font-size:44px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:.5px;
  margin-bottom:16px;
  text-shadow:0 4px 20px rgba(0,0,0,0.3);
}
.page-banner h1 span{
  color:var(--accent);
}
.page-banner .banner-desc{
  font-size:17px;
  max-width:640px;
  color:rgba(255,255,255,0.9);
  line-height:1.8;
}
.banner-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(240,185,11,0.15);
  border:1px solid rgba(240,185,11,0.35);
  color:var(--accent);
  padding:5px 16px;
  border-radius:50px;
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}

/* ========== 通用 Section ========== */
.section{
  padding:96px 0;
}
.section-head{
  max-width:720px;
  margin-bottom:56px;
}
.section-head.center{
  margin-left:auto;
  margin-right:auto;
  text-align:center;
}
.section-tag{
  display:inline-block;
  padding:4px 16px;
  border-radius:50px;
  background:var(--accent-soft);
  color:#8a6d00;
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  margin-bottom:14px;
}
.section-title{
  font-size:32px;
  font-weight:800;
  line-height:1.35;
  color:var(--primary);
  margin-bottom:14px;
}
.section-sub{
  font-size:16px;
  color:var(--text-light);
  line-height:1.8;
}

/* ========== 登录方式卡片 ========== */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.entry-card{
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
  border:1px solid transparent;
}
.entry-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(240,185,11,0.35);
}
.entry-card-media{
  height:180px;
  overflow:hidden;
  position:relative;
}
.entry-card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.entry-card:hover .entry-card-media img{
  transform:scale(1.06);
}
.entry-card-media::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(11,31,58,0.25));
}
.entry-card-body{
  padding:26px 24px 30px;
}
.entry-card-body h3{
  font-size:20px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
}
.entry-card-body h3 i{
  font-style:normal;
  width:30px;height:30px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  flex-shrink:0;
}
.entry-card-body p{
  font-size:14px;
  color:var(--text-light);
  line-height:1.75;
}
.entry-card-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  border-bottom:2px solid var(--accent);
  padding-bottom:2px;
}
.entry-card-more:hover{color:var(--accent)}

/* ========== 步骤板块 ========== */
.steps-section{
  background:var(--primary);
  color:#fff;
  overflow:hidden;
}
.steps-section::before{
  content:'';
  position:absolute;
  top:-120px;right:-80px;
  width:380px;height:380px;
  border-radius:50%;
  background:rgba(240,185,11,0.08);
}
.steps-section .section-title{color:#fff}
.steps-section .section-sub{color:rgba(255,255,255,0.65)}
.steps-section .section-tag{
  background:rgba(240,185,11,0.16);
  color:var(--accent);
}
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  position:relative;
  z-index:2;
}
.step-item{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius);
  padding:32px 26px;
  backdrop-filter:blur(8px);
  transition:var(--transition);
  position:relative;
}
.step-item:hover{
  background:rgba(255,255,255,0.1);
  transform:translateY(-4px);
  border-color:rgba(240,185,11,0.4);
}
.step-num{
  font-size:14px;
  font-weight:800;
  letter-spacing:2px;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:20px;
}
.step-num::before{
  content:'';
  width:24px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.step-item h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:10px;
}
.step-item p{
  font-size:14px;
  color:rgba(255,255,255,0.65);
  line-height:1.75;
}
.step-line{
  position:absolute;
  top:50%;
  right:-28px;
  width:28px;
  height:1px;
  background:linear-gradient(90deg,rgba(240,185,11,0.6),transparent);
}
.step-item:last-child .step-line{display:none}

/* ========== 安全数据板块 ========== */
.security-section{
  background-size:cover;
  background-position:center;
  position:relative;
  padding:100px 0;
}
.security-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(7,21,40,0.94),rgba(11,31,58,0.85));
}
.security-section .container{
  position:relative;
  z-index:2;
}
.security-head{
  text-align:center;
  color:#fff;
  margin-bottom:56px;
}
.security-head .section-title{color:#fff}
.security-head .section-sub{color:rgba(255,255,255,0.7)}
.security-tag{
  display:inline-block;
  padding:4px 16px;
  border-radius:50px;
  background:rgba(240,185,11,0.16);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  margin-bottom:14px;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat-item{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.1);
  border-radius:var(--radius);
  padding:36px 24px;
  text-align:center;
  transition:var(--transition);
}
.stat-item:hover{
  background:rgba(255,255,255,0.1);
  border-color:rgba(240,185,11,0.3);
  transform:translateY(-4px);
}
.stat-num{
  font-size:40px;
  font-weight:800;
  color:var(--accent);
  line-height:1.2;
  margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.stat-label{
  font-size:15px;
  color:rgba(255,255,255,0.85);
}
.stat-desc{
  font-size:13px;
  color:rgba(255,255,255,0.5);
  margin-top:6px;
  line-height:1.5;
}

/* ========== 资讯列表 ========== */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.guide-card{
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.guide-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.guide-media{
  height:190px;
  overflow:hidden;
  position:relative;
}
.guide-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s ease;
}
.guide-card:hover .guide-media img{
  transform:scale(1.05);
}
.guide-content{
  padding:26px 28px 30px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.guide-meta{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
}
.guide-badge{
  display:inline-block;
  padding:3px 12px;
  border-radius:50px;
  background:var(--accent-soft);
  color:#8a6d00;
  font-size:12px;
  font-weight:600;
}
.guide-date{
  font-size:13px;
  color:var(--text-light);
}
.guide-content h3{
  font-size:18px;
  font-weight:700;
  color:var(--primary);
  line-height:1.5;
  margin-bottom:10px;
}
.guide-content p{
  font-size:14px;
  color:var(--text-light);
  line-height:1.7;
  flex:1;
}
.guide-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.guide-link:hover{
  color:var(--accent);
}

/* ========== FAQ ========== */
.faq-section{
  background:var(--white);
}
.faq-list{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background:var(--bg);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(240,185,11,0.4);
  box-shadow:var(--shadow);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 28px;
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';
  font-size:24px;
  font-weight:400;
  color:var(--accent);
  transition:transform .4s ease;
  flex-shrink:0;
  line-height:1;
}
.faq-item[open] summary::after{
  content:'−';
  transform:rotate(180deg);
}
.faq-answer{
  padding:0 28px 24px;
  font-size:15px;
  color:var(--text-light);
  line-height:1.85;
  border-top:1px dashed var(--border);
  margin-top:0;
  padding-top:18px;
}

/* ========== CTA ========== */
.cta-section{
  padding:88px 0;
  background-size:cover;
  background-position:center;
  position:relative;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(7,21,40,0.92),rgba(11,31,58,0.78));
}
.cta-inner{
  position:relative;
  z-index:2;
  text-align:center;
  color:#fff;
  max-width:680px;
  margin:0 auto;
}
.cta-inner h2{
  font-size:34px;
  font-weight:800;
  line-height:1.4;
  margin-bottom:16px;
}
.cta-inner p{
  font-size:17px;
  color:rgba(255,255,255,0.8);
  margin-bottom:36px;
  line-height:1.8;
}
.cta-buttons{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--primary-deep);
  color:rgba(255,255,255,0.7);
  padding:72px 0 32px;
}
.footer-top{
  display:flex;
  justify-content:space-between;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,0.08);
  flex-wrap:wrap;
}
.footer-brand{
  max-width:440px;
}
.footer-logo{
  font-size:22px;
  font-weight:800;
  color:#fff;
  display:block;
  margin-bottom:16px;
}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,0.55);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:12px;
  min-width:180px;
}
.footer-links a{
  font-size:15px;
  color:rgba(255,255,255,0.7);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-links a:hover{
  color:var(--accent);
  transform:translateX(4px);
}
.footer-links a::before{
  content:'';
  width:4px;height:4px;
  border-radius:50%;
  background:var(--accent);
  flex-shrink:0;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  padding-top:28px;
  font-size:14px;
  color:rgba(255,255,255,0.4);
}
.footer-bottom p{margin:0}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .step-line{display:none}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .guide-card:last-child{grid-column:span 2}
}
@media (max-width:768px){
  .main-nav{
    position:fixed;
    top:76px;
    left:0;
    right:0;
    background:rgba(11,31,58,0.97);
    backdrop-filter:blur(20px);
    flex-direction:column;
    align-items:stretch;
    padding:16px 24px 24px;
    gap:8px;
    transform:translateX(100%);
    transition:transform .4s ease;
    box-shadow:0 20px 40px rgba(0,0,0,0.3);
    border-bottom:1px solid rgba(240,185,11,0.2);
    margin:0;
  }
  .main-nav.open{transform:translateX(0)}
  .nav-link{
    padding:14px 20px;
    font-size:16px;
    border-radius:12px;
    justify-content:center;
  }
  .nav-toggle{
    display:flex;
    order:3;
  }
  .btn-nav{display:none}
  .nav-wrap{
    gap:12px;
  }
  .page-banner{
    min-height:320px;
    padding:120px 0 56px;
  }
  .page-banner h1{font-size:30px}
  .section{padding:70px 0}
  .section-title{font-size:26px}
  .guide-card:last-child{grid-column:auto}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .entry-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .guide-grid{grid-template-columns:1fr}
  .page-banner h1{font-size:26px}
  .page-banner .banner-desc{font-size:15px}
  .section{padding:60px 0}
  .section-title{font-size:23px}
  .footer-top{flex-direction:column;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-inner h2{font-size:26px}
  .faq-item summary{padding:18px 20px;font-size:15px}
  .faq-answer{padding:0 20px 20px}
  .logo-text{font-size:15px}
  .logo-icon{width:38px;height:38px}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root {
  --primary: #f0b90b;
  --primary-light: #ffe08a;
  --primary-dark: #c8910a;
  --dark: #080d1c;
  --dark-2: #0f162c;
  --dark-3: #182240;
  --light: #f4f6fb;
  --white: #ffffff;
  --text: #171c2e;
  --text-light: #5c6378;
  --muted: #8a90a2;
  --border: rgba(255,255,255,0.1);
  --border-light: #e6e9f2;
  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 8px;
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.2);
  --shadow-md: 0 12px 32px rgba(0,0,0,0.1);
  --shadow-sm: 0 4px 14px rgba(0,0,0,0.06);
  --tr: all 0.32s cubic-bezier(.4,0,.2,1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; }
.container { width: min(1200px, 92%); margin: 0 auto; }
section { position: relative; }
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--tr);
  border: 1px solid transparent;
  cursor: pointer;
  line-height: 1.4;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #1a1205;
  box-shadow: 0 6px 22px rgba(240,185,11,0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(240,185,11,0.45);
}
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: var(--white);
  border-color: rgba(255,255,255,0.3);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-3px);
}
.btn-dark {
  background: var(--dark);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--dark-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.btn:focus-visible, a:focus-visible { outline: 3px solid rgba(240,185,11,0.6); outline-offset: 2px; }

/* ============ 导航 ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(8,13,28,0.55);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--tr);
}
.site-header.scrolled {
  background: rgba(8,13,28,0.94);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #1a1205;
  box-shadow: 0 4px 14px rgba(240,185,11,0.4);
}
.logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-text small {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  transition: var(--tr);
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.nav-link.active {
  color: #1a1205;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(240,185,11,0.35);
}
.btn-nav {
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  transition: var(--tr);
  white-space: nowrap;
}
.btn-nav:hover {
  background: rgba(240,185,11,0.9);
  border-color: var(--primary);
  color: #1a1205;
  box-shadow: 0 4px 18px rgba(240,185,11,0.4);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--tr);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */
.skill-hero {
  min-height: 82vh;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 140px 0 90px;
}
.skill-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,13,28,0.82) 0%, rgba(8,13,28,0.55) 50%, rgba(8,13,28,0.92) 100%);
}
.skill-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(240,185,11,0.5), transparent);
}
.skill-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 22px;
}
.breadcrumb a { color: rgba(255,255,255,0.7); transition: var(--tr); }
.breadcrumb a:hover { color: var(--primary); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 50px;
  background: rgba(240,185,11,0.12);
  border: 1px solid rgba(240,185,11,0.35);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(34px, 5vw, 58px);
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 22px;
  max-width: 720px;
}
.hero-title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.7);
  max-width: 640px;
  margin-bottom: 36px;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 倒计时 */
.countdown-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 34px;
  flex-wrap: wrap;
}
.countdown-label {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  display: flex;
  align-items: center;
  gap: 10px;
}
.countdown-label::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 12px var(--primary);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.countdown {
  display: flex;
  gap: 10px;
}
.countdown-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--r-md);
  padding: 10px 16px;
  text-align: center;
  min-width: 74px;
}
.countdown-item .num {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.countdown-item .unit {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  display: block;
  margin-top: 2px;
}

/* ============ 通用板块头部 ============ */
.section-head {
  text-align: center;
  max-width: 660px;
  margin: 0 auto 52px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(240,185,11,0.1);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 14px;
  border: 1px solid rgba(240,185,11,0.3);
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  color: var(--text);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}
.section-head.light h2 { color: var(--white); }
.section-head.light p { color: rgba(255,255,255,0.6); }
.section-head.light .section-tag {
  background: rgba(240,185,11,0.15);
  border-color: rgba(240,185,11,0.4);
  color: var(--primary-light);
}

/* ============ 技巧分类入口 ============ */
.topic-section {
  padding: 100px 0;
  background: var(--light);
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.topic-card {
  background: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--tr);
  display: flex;
  flex-direction: column;
}
.topic-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(240,185,11,0.4);
}
.topic-card__img {
  height: 190px;
  overflow: hidden;
  position: relative;
}
.topic-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.topic-card:hover .topic-card__img img { transform: scale(1.05); }
.topic-card__img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8,13,28,0.55));
}
.topic-card__body {
  padding: 24px 26px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.topic-card__body h3 {
  font-size: 19px;
  color: var(--text);
  margin-bottom: 8px;
}
.topic-card__body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
}
.topic-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topic-card__tag {
  font-size: 12px;
  color: var(--primary-dark);
  background: rgba(240,185,11,0.1);
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
}
.topic-card__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: var(--tr);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.topic-card__link:hover { color: var(--primary-dark); gap: 8px; }
.topic-card__link::after { content: '→'; transition: var(--tr); }

/* ============ 热门技巧榜 ============ */
.rank-section {
  padding: 100px 0;
  background: var(--dark);
  background-image: radial-gradient(ellipse at 20% 0%, rgba(240,185,11,0.08), transparent 50%), radial-gradient(ellipse at 80% 100%, rgba(240,185,11,0.06), transparent 50%);
}
.rank-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 22px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  transition: var(--tr);
  position: relative;
  overflow: hidden;
}
.rank-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(240,185,11,0.3);
  transform: translateX(6px);
}
.rank-item.top1 {
  background: linear-gradient(135deg, rgba(240,185,11,0.16), rgba(240,185,11,0.03));
  border-color: rgba(240,185,11,0.45);
  box-shadow: 0 8px 30px rgba(240,185,11,0.1);
}
.rank-num {
  font-size: 34px;
  font-weight: 800;
  color: rgba(255,255,255,0.18);
  width: 60px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.rank-item.top1 .rank-num {
  color: var(--primary);
  text-shadow: 0 0 30px rgba(240,185,11,0.5);
}
.rank-info { flex: 1; min-width: 0; }
.rank-info h3 {
  color: var(--white);
  font-size: 18px;
  margin-bottom: 4px;
}
.rank-info p {
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}
.rank-stats {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.65);
  font-size: 13px;
}
.rank-stats i {
  width: 16px; height: 16px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23f0b90b'%3E%3Cpath d='M12 21s-6.7-4.3-9.3-8.5C1.1 9.9 2.4 6.5 5.5 5.3 7.5 4.5 9.6 5 12 7c2.4-2 4.5-2.5 6.5-1.7 3.1 1.2 4.4 4.6 2.8 7.2C18.7 16.7 12 21 12 21z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.rank-level {
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.12);
  white-space: nowrap;
}
.rank-level.adv { color: var(--primary-light); border-color: rgba(240,185,11,0.4); }

/* ============ 精选技巧 ============ */
.featured-section {
  padding: 100px 0;
  background: var(--white);
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.featured-card {
  background: var(--light);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: var(--tr);
  display: flex;
  flex-direction: column;
}
.featured-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}
.featured-card__img {
  height: 210px;
  overflow: hidden;
  position: relative;
}
.featured-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.featured-card:hover .featured-card__img img { transform: scale(1.04); }
.featured-card__badge {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(8,13,28,0.75);
  backdrop-filter: blur(8px);
  color: var(--primary-light);
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid rgba(240,185,11,0.35);
  font-weight: 600;
}
.featured-card__body {
  padding: 26px 28px 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.featured-card__body h3 {
  font-size: 19px;
  color: var(--text);
  margin-bottom: 10px;
}
.featured-card__body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 18px;
}
.featured-card__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.featured-card__author {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
}
.featured-card__avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #1a1205;
}
.featured-card__read {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--tr);
}
.featured-card__read:hover { gap: 8px; }
.featured-card__read::after { content: '→'; }

/* ============ 全球赛事技巧 ============ */
.global-section {
  padding: 100px 0;
  background: var(--dark);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}
.global-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--dark) 0%, rgba(8,13,28,0.92) 100%);
}
.global-section .container { position: relative; z-index: 1; }
.h-scroll {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 10px 4px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.h-scroll::-webkit-scrollbar { height: 6px; }
.h-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 10px; }
.h-scroll::-webkit-scrollbar-thumb { background: rgba(240,185,11,0.4); border-radius: 10px; }
.h-card {
  flex: 0 0 280px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-lg);
  overflow: hidden;
  scroll-snap-align: start;
  transition: var(--tr);
}
.h-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(240,185,11,0.35);
  transform: translateY(-5px);
}
.h-card__img { height: 160px; overflow: hidden; }
.h-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.h-card:hover .h-card__img img { transform: scale(1.06); }
.h-card__body { padding: 20px 22px 24px; }
.h-card__tag {
  display: inline-block;
  font-size: 11px;
  color: var(--primary-light);
  background: rgba(240,185,11,0.12);
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
  font-weight: 600;
}
.h-card__body h3 {
  color: var(--white);
  font-size: 17px;
  margin-bottom: 8px;
}
.h-card__body p {
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  line-height: 1.7;
}

/* ============ 进阶之路 ============ */
.journey-section {
  padding: 100px 0;
  background: var(--light);
}
.journey-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  position: relative;
}
.journey-steps::before {
  content: '';
  position: absolute;
  top: 40px; left: 12%; right: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), rgba(240,185,11,0.3), var(--primary));
  border-radius: 2px;
  z-index: 0;
}
.journey-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 10px;
}
.journey-step__num {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 0 auto 22px;
  box-shadow: 0 8px 20px rgba(240,185,11,0.2);
  position: relative;
}
.journey-step:nth-child(1) .journey-step__num::after {
  content: '';
  position: absolute;
  top: -8px; right: -8px;
  width: 18px; height: 18px;
  background: var(--primary);
  border: 3px solid var(--white);
  border-radius: 50%;
}
.journey-step__body h3 {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 8px;
}
.journey-step__body p {
  font-size: 13.5px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============ FAQ ============ */
.faq-section {
  padding: 100px 0;
  background: var(--white);
}
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--border-light);
  border-radius: var(--r-md);
  margin-bottom: 14px;
  background: var(--light);
  transition: var(--tr);
  overflow: hidden;
}
.faq-item:hover { border-color: rgba(240,185,11,0.4); }
.faq-item.open {
  border-color: rgba(240,185,11,0.5);
  box-shadow: var(--shadow-sm);
  background: var(--white);
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px;
  cursor: pointer;
  gap: 16px;
}
.faq-q h3 {
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  flex: 1;
}
.faq-icon {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(240,185,11,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  font-size: 16px;
  font-weight: 700;
  transition: var(--tr);
  flex-shrink: 0;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #1a1205; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 26px;
  color: var(--text-light);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding: 0 26px 22px;
}

/* ============ CTA ============ */
.cta-section {
  padding: 74px 0;
  background: var(--dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8,13,28,0.95), rgba(8,13,28,0.75));
}
.cta-box {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px 20px;
}
.cta-box h2 {
  color: var(--white);
  font-size: clamp(26px, 4vw, 38px);
  margin-bottom: 16px;
}
.cta-box p {
  color: rgba(255,255,255,0.65);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 34px;
  line-height: 1.8;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-note {
  margin-top: 22px;
  color: rgba(255,255,255,0.4);
  font-size: 13px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #060a16;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-wrap: wrap;
}
.footer-brand { flex: 1; min-width: 260px; }
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--white);
  display: inline-block;
  margin-bottom: 14px;
}
.footer-brand p {
  color: rgba(255,255,255,0.45);
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-links {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
  transition: var(--tr);
  padding: 8px 0;
}
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom p {
  color: rgba(255,255,255,0.35);
  font-size: 13px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: 74px;
    left: 0; right: 0;
    background: rgba(8,13,28,0.98);
    flex-direction: column;
    align-items: stretch;
    padding: 20px 6%;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transform: translateY(-130%);
    transition: var(--tr);
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  }
  .main-nav.open { transform: translateY(0); }
  .nav-link {
    padding: 14px 20px;
    text-align: center;
    font-size: 16px;
  }
  .btn-nav { display: none; }
  .nav-toggle { display: flex; }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .journey-steps { grid-template-columns: repeat(2, 1fr); }
  .journey-steps::before { display: none; }
  .journey-step { margin-bottom: 30px; }
  .rank-item { flex-wrap: wrap; gap: 14px; }
  .rank-meta { width: 100%; justify-content: flex-start; padding-left: 74px; }
  .hero-title { font-size: 42px; }
  .countdown-item { min-width: 64px; padding: 8px 12px; }
  .countdown-item .num { font-size: 24px; }
}

@media (max-width: 768px) {
  .skill-hero { min-height: auto; padding: 120px 0 70px; }
  .topic-grid { grid-template-columns: 1fr; }
  .featured-grid { grid-template-columns: 1fr; }
  .global-section { background-attachment: scroll; }
  .footer-top { flex-direction: column; gap: 24px; }
  .footer-links { flex-wrap: wrap; gap: 16px 24px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .countdown-wrap { flex-direction: column; align-items: flex-start; }
  .section-head { margin-bottom: 36px; }
  .cta-btns { flex-direction: column; }
  .cta-btns .btn { width: 100%; }
}

@media (max-width: 520px) {
  .nav-wrap { height: 64px; }
  .main-nav { top: 64px; }
  .logo-text { font-size: 16px; }
  .logo-text small { font-size: 8px; }
  .logo-icon { width: 36px; height: 36px; font-size: 14px; }
  .hero-title { font-size: 30px; }
  .hero-desc { font-size: 14.5px; }
  .countdown { gap: 6px; }
  .countdown-item {
    min-width: 56px;
    padding: 8px;
  }
  .countdown-item .num { font-size: 20px; }
  .countdown-item .unit { font-size: 10px; }
  .topic-card__img { height: 160px; }
  .featured-card__img { height: 180px; }
  .rank-item { padding: 16px; }
  .rank-num { font-size: 26px; width: 40px; }
  .rank-meta { padding-left: 54px; }
  .rank-info h3 { font-size: 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category2 */
/* ====== 设计变量 ====== */
        :root {
            --bg: #0c1220;
            --bg-deep: #070b14;
            --bg-soft: #121a2c;
            --surface: rgba(255, 255, 255, 0.045);
            --surface-hover: rgba(255, 255, 255, 0.08);
            --surface-solid: #151e32;
            --border: rgba(255, 255, 255, 0.09);
            --border-light: rgba(255, 255, 255, 0.16);
            --primary: #f0b64a;
            --primary-2: #ff7a45;
            --accent: #32d6b8;
            --text: #f2f4f9;
            --text-weak: #9ea8bc;
            --text-mute: #6f7a90;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-lg: 28px;
            --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
            --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1220px;
            --header-h: 74px;
        }

        /* ====== 基础重置 ====== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
            border: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1em;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4 {
            line-height: 1.25;
            font-weight: 700;
        }
        ::selection {
            background: rgba(240, 182, 74, 0.3);
        }

        /* ====== 容器 ====== */
        .container {
            width: min(100% - 48px, var(--max-width));
            margin-inline: auto;
        }

        /* ====== 按钮 ====== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn i {
            font-size: 15px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #151218;
            box-shadow: 0 10px 30px rgba(240, 182, 74, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(240, 182, 74, 0.38);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text);
            border-color: var(--border-light);
            backdrop-filter: blur(10px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .btn-outline {
            border-color: var(--border-light);
            color: var(--text);
            padding: 8px 18px;
            font-size: 14px;
            border-radius: 40px;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: #151218;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            box-shadow: 0 6px 22px rgba(240, 182, 74, 0.3);
            transition: var(--transition);
        }
        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(240, 182, 74, 0.45);
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ====== 导航 ====== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 15, 26, 0.5);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(8, 12, 22, 0.92);
            box-shadow: 0 10px 34px rgba(0, 0, 0, 0.4);
            border-bottom-color: rgba(255, 255, 255, 0.1);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
            height: var(--header-h);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #151218;
            font-weight: 800;
            font-size: 17px;
            box-shadow: 0 6px 18px rgba(240, 182, 74, 0.3);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: 0.5px;
            color: var(--text);
            line-height: 1.2;
        }
        .logo-text small {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 2px;
            color: var(--accent);
            margin-top: 2px;
            text-transform: uppercase;
        }
        .main-nav {
            display: flex;
            gap: 6px;
            margin-left: auto;
        }
        .nav-link {
            position: relative;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            border-radius: 30px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.07);
        }
        .nav-link.active {
            color: var(--primary);
            background: rgba(240, 182, 74, 0.1);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 2px;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-2));
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.07);
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ====== Hero ====== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding: calc(var(--header-h) + 66px) 0 72px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transform: scale(1.06);
            animation: heroZoom 24s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            from {
                transform: scale(1);
            }
            to {
                transform: scale(1.08);
            }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(7, 12, 22, 0.96) 0%, rgba(7, 12, 22, 0.78) 48%, rgba(7, 12, 22, 0.55) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 2;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border-light);
            font-size: 13px;
            letter-spacing: 2px;
            color: var(--accent);
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }
        .hero-eyebrow i {
            font-size: 14px;
        }
        .hero h1 {
            font-size: clamp(36px, 5.5vw, 60px);
            font-weight: 800;
            max-width: 700px;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero h1 em {
            font-style: normal;
            background: linear-gradient(120deg, var(--primary), var(--primary-2));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.76);
            max-width: 620px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 44px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }
        .stat-box {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px 24px;
            backdrop-filter: blur(12px);
            min-width: 118px;
            transition: var(--transition);
        }
        .stat-box:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .stat-box .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-box .label {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 2px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            transition: var(--transition);
        }
        .hero-tag i {
            color: var(--accent);
            font-size: 12px;
        }
        .hero-tag:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ====== 板块公共 ====== */
        .section {
            padding: 88px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-soft);
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-subtitle {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: clamp(28px, 3.4vw, 38px);
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 15px;
        }

        /* ====== 焦点赛事 ====== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .match-card {
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-6px);
            border-color: rgba(240, 182, 74, 0.35);
            box-shadow: var(--shadow);
        }
        .match-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .match-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .match-card:hover .match-cover img {
            transform: scale(1.04);
        }
        .match-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 12, 22, 0.05) 30%, rgba(7, 12, 22, 0.72) 100%);
        }
        .match-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 30px;
            background: rgba(7, 12, 22, 0.6);
            backdrop-filter: blur(10px);
            color: var(--primary);
            border: 1px solid rgba(240, 182, 74, 0.3);
        }
        .match-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .match-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            margin-bottom: 12px;
        }
        .team-name {
            font-size: 18px;
            font-weight: 700;
            text-align: center;
        }
        .vs-badge {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(240, 182, 74, 0.12);
            border: 1px solid rgba(240, 182, 74, 0.3);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .match-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 14px;
        }
        .match-meta i {
            color: var(--accent);
            font-size: 12px;
        }
        .countdown-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            padding: 10px 14px;
            background: rgba(0, 0, 0, 0.25);
            border-radius: var(--radius-sm);
            border: 1px dashed rgba(255, 255, 255, 0.14);
        }
        .countdown-row .cd-label {
            font-size: 12px;
            color: var(--text-weak);
            letter-spacing: 1px;
        }
        .cd-box {
            display: flex;
            gap: 6px;
            align-items: center;
            margin-left: auto;
        }
        .cd-box .cd-cell {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 4px 8px;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            min-width: 30px;
            text-align: center;
        }
        .cd-box .cd-colon {
            color: var(--text-weak);
            font-weight: 700;
        }

        /* ====== 资讯与排行 ====== */
        .split-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
        }
        .panel:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }
        .panel-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 22px;
        }
        .panel-title i {
            color: var(--primary);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
            align-items: center;
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-thumb {
            width: 88px;
            height: 66px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-soft);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 15.5px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 6px;
            transition: var(--transition);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .news-content h3:hover {
            color: var(--primary);
        }
        .news-meta {
            display: flex;
            gap: 12px;
            font-size: 12.5px;
            color: var(--text-mute);
            align-items: center;
        }
        .news-meta .tag {
            padding: 2px 10px;
            border-radius: 12px;
            background: rgba(240, 182, 74, 0.12);
            color: var(--primary);
            font-size: 11.5px;
            font-weight: 600;
        }
        .news-meta i {
            font-size: 11px;
            margin-right: 4px;
        }

        /* 排行榜 */
        .table-wrap {
            overflow-x: auto;
        }
        .rank-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .rank-table th {
            text-align: left;
            padding: 10px 8px;
            font-size: 12px;
            color: var(--text-mute);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-bottom: 1px solid var(--border);
        }
        .rank-table td {
            padding: 11px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-variant-numeric: tabular-nums;
        }
        .rank-table tr:last-child td {
            border-bottom: none;
        }
        .rank-table tr {
            transition: var(--transition);
        }
        .rank-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .rank-table .rank-num {
            font-weight: 700;
            color: var(--text-weak);
            width: 30px;
        }
        .rank-table .rank-team {
            font-weight: 600;
        }
        .rank-table .rank-points {
            font-weight: 800;
            color: var(--primary);
        }
        .rank-form {
            display: inline-flex;
            gap: 3px;
        }
        .rank-form span {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }
        .rank-form span.draw {
            background: var(--text-mute);
        }
        .rank-form span.lose {
            background: var(--primary-2);
        }
        .subset-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--accent);
            margin-top: 14px;
            transition: var(--transition);
        }
        .subset-link:hover {
            gap: 10px;
        }

        /* ====== 淘汰赛赛程 ====== */
        .bracket-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }
        .bracket-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
        }
        .bracket-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
            align-items: center;
        }
        .bracket-col {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .bracket-col-center {
            justify-content: center;
        }
        .bracket-match {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            backdrop-filter: blur(4px);
            transition: var(--transition);
            position: relative;
        }
        .bracket-match:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .bracket-title {
            font-size: 12px;
            color: var(--text-mute);
            letter-spacing: 1px;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .bracket-title .round {
            color: var(--accent);
        }
        .bracket-team {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            font-size: 15px;
            padding: 4px 0;
        }
        .bracket-team .name {
            font-weight: 600;
        }
        .bracket-team .score {
            font-weight: 700;
            color: var(--primary);
        }
        .bracket-team.winner .name {
            color: var(--primary);
        }
        .bracket-team .status {
            font-size: 11px;
            color: var(--text-mute);
        }
        .bracket-final {
            background: linear-gradient(135deg, rgba(240, 182, 74, 0.12), rgba(255, 122, 69, 0.08));
            border-color: rgba(240, 182, 74, 0.3);
            text-align: center;
            padding: 22px 16px;
        }
        .bracket-final .trophy {
            font-size: 28px;
            margin-bottom: 8px;
        }
        .bracket-final .final-title {
            font-size: 13px;
            color: var(--text-weak);
            letter-spacing: 2px;
        }
        .bracket-arrow {
            text-align: center;
            color: var(--primary);
            font-size: 18px;
            margin: 8px 0;
            opacity: 0.6;
        }

        /* ====== 主题专栏 ====== */
        .topics-slider {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: rgba(240, 182, 74, 0.4) rgba(255, 255, 255, 0.05);
        }
        .topics-slider::-webkit-scrollbar {
            height: 6px;
        }
        .topics-slider::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
        }
        .topics-slider::-webkit-scrollbar-thumb {
            background: rgba(240, 182, 74, 0.4);
            border-radius: 10px;
        }
        .topic-card {
            min-width: 280px;
            max-width: 280px;
            scroll-snap-align: start;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--surface-solid);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .topic-card:hover {
            transform: translateY(-6px) scale(1.01);
            border-color: rgba(240, 182, 74, 0.35);
            box-shadow: var(--shadow-soft);
        }
        .topic-cover {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            position: relative;
        }
        .topic-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .topic-card:hover .topic-cover img {
            transform: scale(1.05);
        }
        .topic-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(7, 12, 22, 0.8) 100%);
        }
        .topic-cover .topic-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(7, 12, 22, 0.65);
            backdrop-filter: blur(8px);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            color: var(--primary);
            border: 1px solid rgba(240, 182, 74, 0.3);
        }
        .topic-info {
            padding: 18px;
        }
        .topic-info h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .topic-info p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ====== FAQ ====== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(240, 182, 74, 0.3);
        }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            list-style: none;
            font-size: 16px;
            font-weight: 600;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(240, 182, 74, 0.12);
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #151218;
        }
        .faq-item .faq-body {
            padding: 0 22px 20px;
            font-size: 14.5px;
            color: var(--text-weak);
        }
        .faq-item .faq-body p {
            margin-bottom: 8px;
        }
        .faq-item .faq-body p:last-child {
            margin-bottom: 0;
        }

        /* ====== CTA ====== */
        .cta-block {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            padding: 70px 40px;
            text-align: center;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border: 1px solid var(--border);
        }
        .cta-block::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(7, 12, 22, 0.92), rgba(7, 12, 22, 0.72));
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(26px, 3.6vw, 38px);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.76);
            font-size: 16px;
            margin-bottom: 30px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ====== 页脚 ====== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            padding: 56px 0 28px;
        }
        .footer-top {
            display: flex;
            gap: 40px;
            justify-content: space-between;
            flex-wrap: wrap;
            padding-bottom: 34px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 26px;
        }
        .footer-brand {
            max-width: 360px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(120deg, var(--primary), var(--primary-2));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-mute);
        }

        /* ====== 响应式 ====== */
        @media (max-width: 1024px) {
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-layout {
                grid-template-columns: 1fr;
            }
            .bracket-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .bracket-col-center {
                flex-direction: row;
                justify-content: center;
            }
            .bracket-arrow {
                transform: rotate(90deg);
            }
        }
        @media (max-width: 768px) {
            .nav-wrap {
                gap: 14px;
            }
            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(8, 12, 22, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 8px;
                transform: translateY(-110%);
                transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
                border-bottom: 1px solid var(--border);
                z-index: 999;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 14px 16px;
                font-size: 16px;
                display: flex;
                align-items: center;
                justify-content: space-between;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .btn-nav {
                display: none;
            }
            .hero {
                min-height: auto;
                padding: 120px 0 56px;
            }
            .hero-stats {
                gap: 10px;
            }
            .stat-box {
                padding: 12px 18px;
                min-width: 100px;
                flex: 1;
            }
            .section {
                padding: 64px 0;
            }
            .match-grid {
                gap: 16px;
            }
            .panel {
                padding: 20px;
            }
            .cta-block {
                padding: 50px 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                width: calc(100% - 36px);
            }
            .logo-text {
                font-size: 15px;
            }
            .logo-text small {
                font-size: 9px;
            }
            .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .match-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: row;
            }
            .news-thumb {
                width: 76px;
                height: 60px;
            }
            .footer-top {
                flex-direction: column;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .hero-actions .btn {
                flex: 1;
                text-align: center;
            }
            .bracket-col-center {
                flex-direction: column;
            }
            .bracket-arrow {
                transform: none;
            }
        }