/* roulang page: index */
:root {
    --brand: #22d3ee;
    --brand-dark: #0ea5b7;
    --accent: #fbbf24;
    --accent-dark: #d97706;
    --bg-deep: #0b1220;
    --bg-card: #111c2e;
    --bg-soft: #1a2639;
    --line: rgba(148,163,184,.14);
    --radius: 16px;
    --shadow: 0 10px 30px rgba(0,0,0,.25);
    --shadow-hover: 0 24px 48px rgba(0,0,0,.38);
  }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
    letter-spacing: .2px;
    background: var(--bg-deep);
    color: #cbd5e1;
  }
  img { object-fit: cover; }
  a { transition: all .25s ease; }

  .nav-blur {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    background: rgba(11,18,32,.82);
  }
  .text-gradient {
    background: linear-gradient(120deg, #22d3ee, #fbbf24);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .card-lift { transition: transform .3s ease, box-shadow .3s ease; }
  .card-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
  }
  .hero-mask::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11,18,32,.42) 0%, rgba(11,18,32,.70) 60%, #0b1220 100%);
    pointer-events: none;
  }
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(34,211,238,.08);
    color: #67e8f9;
    border: 1px solid rgba(34,211,238,.18);
  }
  .nav-link { position: relative; }
  .nav-link.active { color: #67e8f9; }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #22d3ee, #fbbf24);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }
  .faq-item.open .faq-answer { max-height: 400px; }
  .faq-item.open .faq-icon { transform: rotate(45deg); }
  .faq-icon { transition: transform .3s ease; }

  .line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .bg-grid {
    background-image: linear-gradient(rgba(34,211,238,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(34,211,238,.05) 1px, transparent 1px);
    background-size: 42px 42px;
  }

  @media (max-width: 768px) {
    .nav-link.active::after { display: none; }
  }

/* roulang page: article */
:root {
    --brand: #f0b90b;
    --accent: #e58a1a;
    --bg-deep: #080e1a;
    --bg-card: #0f172a;
    --text-main: #e2e8f0;
    --text-weak: #94a3b8;
    --border-soft: rgba(255, 255, 255, 0.08);
    --radius: 16px;
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    background: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

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

  ::selection {
    background: rgba(240, 185, 11, 0.3);
    color: #fff;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* 导航链接 */
  .nav-link {
    position: relative;
    transition: color 0.3s ease;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 0;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
    transition: width 0.3s ease;
  }
  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

  /* 按钮 */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--brand), var(--accent));
    color: #0f172a;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(240, 185, 11, 0.35);
  }
  .btn-primary:active {
    transform: translateY(0);
    box-shadow: none;
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #e2e8f0;
    padding: 11px 24px;
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .btn-ghost:hover {
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-2px);
  }

  /* 卡片 */
  .card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius);
    transition: all 0.3s ease;
  }
  .card:hover {
    border-color: rgba(240, 185, 11, 0.3);
    box-shadow: var(--shadow);
  }

  /* 文章正文排版 */
  .article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #cbd5e1;
    word-break: break-word;
  }
  .article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin: 36px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--brand);
    line-height: 1.4;
  }
  .article-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: #f1f5f9;
    margin: 28px 0 12px;
    line-height: 1.4;
  }
  .article-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: #e2e8f0;
    margin: 24px 0 10px;
  }
  .article-content p {
    margin: 16px 0;
  }
  .article-content a {
    color: var(--brand);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: opacity 0.3s;
  }
  .article-content a:hover {
    opacity: 0.8;
  }
  .article-content img {
    border-radius: 14px;
    margin: 24px 0;
    box-shadow: var(--shadow);
  }
  .article-content ul,
  .article-content ol {
    margin: 16px 0;
    padding-left: 24px;
  }
  .article-content li {
    margin: 6px 0;
  }
  .article-content ul li {
    list-style: disc;
  }
  .article-content ol li {
    list-style: decimal;
  }
  .article-content blockquote {
    border-left: 4px solid var(--brand);
    background: rgba(240, 185, 11, 0.08);
    padding: 14px 20px;
    border-radius: 0 12px 12px 0;
    margin: 20px 0;
    color: #e2e8f0;
  }
  .article-content pre {
    background: #0b1220;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 16px 20px;
    overflow-x: auto;
    margin: 20px 0;
  }
  .article-content code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 14px;
  }
  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
  }
  .article-content th,
  .article-content td {
    border: 1px solid var(--border-soft);
    padding: 10px 14px;
    text-align: left;
  }
  .article-content th {
    background: rgba(255, 255, 255, 0.04);
    color: #fff;
  }

  /* FAQ */
  .faq-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    padding: 20px 24px;
    transition: all 0.3s ease;
  }
  .faq-item:hover {
    border-color: rgba(240, 185, 11, 0.25);
    background: rgba(255, 255, 255, 0.045);
  }

  /* 面包屑 */
  .breadcrumb a {
    transition: color 0.3s;
  }
  .breadcrumb a:hover {
    color: var(--brand);
  }

  /* 移动端菜单过渡 */
  .mobile-menu {
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  @media (max-width: 768px) {
    .article-content {
      font-size: 15px;
    }
    .article-content h2 {
      font-size: 20px;
    }
    .article-content h3 {
      font-size: 18px;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }
    .btn-primary,
    .btn-ghost {
      width: 100%;
      text-align: center;
    }
  }

/* roulang page: category1 */
:root {
  --brand: #22d3ee;
  --accent: #a855f7;
  --bg-page: #080e1a;
  --bg-card: rgba(255,255,255,0.03);
  --border-card: rgba(255,255,255,0.06);
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #475569;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-card: 0 20px 40px rgba(0,0,0,0.35);
}

html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }

.nav-link { position: relative; padding: 4px 0; transition: color .2s ease; }
.nav-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; border-radius: 2px; background: var(--brand); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.hero-bg { background-image: linear-gradient(rgba(8,14,26,0.70), rgba(8,14,26,0.90)), url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; }
.cta-bg { background-image: linear-gradient(rgba(8,14,26,0.86), rgba(8,14,26,0.86)), url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; }

.card-hover { transition: all .3s ease; }
.card-hover:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: rgba(34,211,238,0.25); background: rgba(255,255,255,0.05); }

.gradient-text {
  background: linear-gradient(135deg, #22d3ee, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

details summary::-webkit-details-marker { display: none; }
details summary { list-style: none; }
details[open] .fa-chevron-down { transform: rotate(180deg); }
.fa-chevron-down { transition: transform .25s ease; }

/* roulang page: category2 */
:root{
  --bg:#0a1020;
  --card:#111a2e;
  --brand:#ffa940;
  --accent:#ff6b3d;
  --text:#cbd5e1;
  --muted:#7c8a9d;
  --border:rgba(255,255,255,.06);
  --radius:1.25rem;
  --shadow:0 20px 50px -12px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer}

.container{max-width:1280px;margin:0 auto;padding-left:1rem;padding-right:1rem}
@media(min-width:640px){.container{padding-left:1.5rem;padding-right:1.5rem}}
@media(min-width:1024px){.container{padding-left:2rem;padding-right:2rem}}

.section{padding:4.5rem 0}
@media(min-width:768px){.section{padding:6rem 0}}
.section-label{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.75rem;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--brand);
  background:rgba(255,169,64,.08);
  border:1px solid rgba(255,169,64,.2);
  padding:.4rem 1rem;border-radius:999px;
}
.section-title{
  font-size:clamp(1.7rem,3.5vw,2.6rem);
  font-weight:800;line-height:1.2;color:#fff;
  letter-spacing:-.02em;
  margin-top:.9rem;
}
.section-sub{
  font-size:1rem;color:var(--muted);
  max-width:30rem;margin-top:.6rem;
}

.nav-link{position:relative;display:inline-block;transition:color .2s ease}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:-6px;width:100%;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--accent));
  opacity:0;transform:scaleX(.5);transform-origin:center;transition:opacity .25s ease,transform .25s ease;
}
.nav-link:hover::after,
.nav-link.active::after{opacity:1;transform:scaleX(1)}
.nav-link.active{color:#f1f5f9}

.brand-text{
  background:linear-gradient(120deg,var(--brand),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.gradient-btn{
  background:linear-gradient(120deg,var(--brand),var(--accent));
  color:#0b0f1d;font-weight:700;
  box-shadow:0 8px 24px -8px rgba(255,138,76,.5);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.gradient-btn:hover{transform:translateY(-2px);box-shadow:0 14px 32px -8px rgba(255,138,76,.6);filter:brightness(1.05)}
.gradient-btn:active{transform:translateY(0)}
.gradient-btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.ghost-btn{
  border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.03);
  color:#e2e8f0;font-weight:600;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.ghost-btn:hover{border-color:rgba(255,169,64,.45);background:rgba(255,169,64,.08);transform:translateY(-2px)}

.card-hover{transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}
.card-hover:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,169,64,.28)}

.badge{
  display:inline-flex;align-items:center;gap:.35rem;
  font-size:.75rem;font-weight:600;
  padding:.3rem .8rem;border-radius:999px;
}
.badge-green{background:rgba(16,185,129,.12);color:#34d399;border:1px solid rgba(16,185,129,.25)}
.badge-brand{background:rgba(255,169,64,.12);color:var(--brand);border:1px solid rgba(255,169,64,.25)}
.badge-purple{background:rgba(167,139,250,.12);color:#a78bfa;border:1px solid rgba(167,139,250,.25)}

.timeline{position:relative;display:flex;flex-direction:column;gap:2rem;padding-left:1.75rem}
.timeline::before{
  content:'';position:absolute;left:.4rem;top:.25rem;bottom:.25rem;width:2px;
  background:linear-gradient(to bottom,var(--brand),var(--accent),rgba(255,169,64,.1));
  border-radius:2px;
}
.timeline-dot{
  position:absolute;left:-1.35rem;top:.28rem;width:.9rem;height:.9rem;
  background:var(--bg);border:2px solid var(--brand);border-radius:50%;
  z-index:1;
}
.timeline-dot::after{content:'';display:block;width:0;height:0}

.faq-item{
  background:rgba(17,26,46,.75);
  border:1px solid var(--border);
  border-radius:1rem;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  padding:1.25rem 1.5rem;font-size:1rem;font-weight:600;color:#f1f5f9;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .fa-chevron-down{transition:transform .25s ease;font-size:.8rem;color:var(--brand)}
.faq-item[open] summary .fa-chevron-down{transform:rotate(180deg)}
.faq-item p{padding:0 1.5rem 1.35rem;font-size:.92rem;color:var(--muted)}

.hero-mask{
  background:linear-gradient(90deg,rgba(10,16,32,.94) 0%,rgba(10,16,32,.82) 40%,rgba(10,16,32,.35) 100%);
}
@media(max-width:768px){
  .hero-mask{background:linear-gradient(180deg,rgba(10,16,32,.88) 0%,rgba(10,16,32,.7) 50%,rgba(10,16,32,.45) 100%)}
}

.stat-card{
  position:relative;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  border-radius:1.25rem;
  padding:2rem 1.5rem;
  text-align:center;
  backdrop-filter:blur(8px);
  transition:border-color .25s ease,transform .25s ease;
}
.stat-card:hover{border-color:rgba(255,169,64,.3);transform:translateY(-4px)}
.stat-card .icon{
  width:2.75rem;height:2.75rem;margin:0 auto 1rem;
  background:rgba(255,169,64,.12);border:1px solid rgba(255,169,64,.22);
  display:flex;align-items:center;justify-content:center;
  border-radius:.9rem;color:var(--brand);font-size:1.1rem;
}

.cta-section{
  position:relative;overflow:hidden;border-radius:2rem;
}
.cta-section .cta-bg{
  position:absolute;inset:0;object-fit:cover;width:100%;height:100%;
}

/* roulang page: category3 */
:root {
            --brand: #fbbf24;
            --accent: #f97316;
            --deep: #080e1a;
            --surface: #111a2e;
            --text: #cbd5e1;
            --muted: #64748b;
            --border: rgba(255, 255, 255, 0.06);
            --radius: 1rem;
            --shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: #0b1120;
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (min-width: 640px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* ---------- 导航 ---------- */
        .nav-link {
            position: relative;
            padding: 0.5rem 0;
            font-weight: 500;
            transition: color 0.25s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            border-radius: 2px;
            transition: width 0.3s ease;
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff;
            font-weight: 600;
        }

        /* ---------- 通用板块 ---------- */
        .section {
            padding-top: 4.5rem;
            padding-bottom: 4.5rem;
        }
        @media (min-width: 768px) {
            .section {
                padding-top: 6rem;
                padding-bottom: 6rem;
            }
        }

        .section-header {
            max-width: 720px;
            margin-bottom: 3rem;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1rem;
            border-radius: 999px;
            background: rgba(251, 191, 36, 0.08);
            border: 1px solid rgba(251, 191, 36, 0.18);
            color: var(--brand);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .section-title {
            margin-top: 1rem;
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            letter-spacing: -0.02em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.4rem;
            }
        }

        .section-desc {
            margin-top: 1rem;
            font-size: 1rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ---------- 卡片 ---------- */
        .card {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .card:hover {
            border-color: rgba(251, 191, 36, 0.3);
            transform: translateY(-6px);
            box-shadow: var(--shadow);
        }

        .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--surface);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(8, 14, 26, 0.5));
            pointer-events: none;
        }

        .card-body {
            padding: 1.5rem;
        }

        /* ---------- 按钮 ---------- */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.7rem 1.5rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.25s ease;
        }
        .btn-brand {
            background: linear-gradient(135deg, var(--brand), var(--accent));
            color: #1f1300;
            box-shadow: 0 8px 24px rgba(251, 191, 36, 0.15);
        }
        .btn-brand:hover {
            box-shadow: 0 12px 36px rgba(251, 191, 36, 0.3);
            transform: translateY(-2px);
        }
        .btn-brand:active {
            transform: translateY(0);
            box-shadow: 0 4px 14px rgba(251, 191, 36, 0.2);
        }
        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            background: rgba(255, 255, 255, 0.03);
        }
        .btn-outline:hover {
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(251, 191, 36, 0.6);
            outline-offset: 4px;
            border-radius: 6px;
        }

        /* ---------- 徽章 ---------- */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-live {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
            border: 1px solid rgba(239, 68, 68, 0.25);
        }
        .badge-warm {
            background: rgba(251, 191, 36, 0.12);
            color: var(--brand);
            border: 1px solid rgba(251, 191, 36, 0.2);
        }
        .badge-teal {
            background: rgba(45, 212, 191, 0.12);
            color: #5eead4;
            border: 1px solid rgba(45, 212, 191, 0.2);
        }
        .badge-purple {
            background: rgba(167, 139, 250, 0.12);
            color: #c4b5fd;
            border: 1px solid rgba(167, 139, 250, 0.2);
        }

        /* ---------- 列表 ---------- */
        .list-check li {
            position: relative;
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.6rem 0;
            font-size: 0.95rem;
            color: var(--text);
        }
        .list-check li i {
            color: var(--brand);
            margin-top: 0.2rem;
            font-size: 0.85rem;
        }

        /* ---------- FAQ ---------- */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 1rem;
            background: rgba(255, 255, 255, 0.025);
            transition: border-color 0.25s, background 0.25s;
            margin-bottom: 0.75rem;
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(251, 191, 36, 0.2);
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.2rem 1.4rem;
            font-size: 0.98rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            transition: background 0.2s;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] {
            border-color: rgba(251, 191, 36, 0.25);
            background: rgba(251, 191, 36, 0.03);
        }
        .faq-answer {
            padding: 0 1.4rem 1.4rem;
            font-size: 0.92rem;
            line-height: 1.75;
            color: var(--muted);
        }

        /* ---------- 统计 ---------- */
        .stat-card {
            text-align: center;
            padding: 2rem 1rem;
            border-radius: 1.25rem;
            border: 1px solid var(--border);
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
        }
        .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            background: linear-gradient(135deg, var(--brand), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-label {
            margin-top: 0.5rem;
            font-size: 0.85rem;
            color: var(--muted);
        }

        /* ---------- 赛程列表 ---------- */
        .schedule-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1rem;
            padding: 1.2rem 1.5rem;
            border-radius: 1rem;
            border: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.02);
            transition: border-color 0.25s, background 0.25s;
        }
        .schedule-item:hover {
            border-color: rgba(251, 191, 36, 0.25);
            background: rgba(251, 191, 36, 0.03);
        }

        /* ---------- 移动端 ---------- */
        @media (max-width: 767px) {
            .section {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-num {
                font-size: 1.9rem;
            }
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 1rem 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .btn {
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
        }

        /* ---------- 图片遮罩 ---------- */
        .overlay-grad {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 14, 26, 0.7) 0%, rgba(8, 14, 26, 0.4) 40%, #0b1120 100%);
        }

        /* ---------- CTA ---------- */
        .cta-section {
            position: relative;
            border-radius: 1.5rem;
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(251, 191, 36, 0.08), rgba(249, 115, 22, 0.12));
            pointer-events: none;
        }

        /* ---------- 页脚 ---------- */
        footer a {
            transition: color 0.2s;
        }
        footer a:hover {
            color: var(--brand);
        }
        footer .social-icon {
            transition: all 0.25s;
        }
        footer .social-icon:hover {
            background: rgba(251, 191, 36, 0.15);
            color: var(--brand);
            transform: translateY(-2px);
        }