/* roulang page: index */
:root {
  --primary:#6366f1; --primary-dark:#4f46e5; --accent:#f59e0b;
  --dark:#0f172a; --light:#f8fafc; --radius:18px;
  --shadow:0 20px 60px rgba(0,0,0,0.07);
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',system-ui,sans-serif; }

.site-header {
  position:fixed; top:0; left:0; right:0; z-index:50;
  background:rgba(255,255,255,0.55);
  backdrop-filter:blur(22px); -webkit-backdrop-filter:blur(22px);
  border-bottom:1px solid rgba(255,255,255,0.3);
  transition:all .4s ease;
}
.site-header.scrolled {
  background:rgba(255,255,255,0.92);
  box-shadow:0 4px 30px rgba(2,6,23,0.07);
  border-bottom-color:rgba(0,0,0,0.05);
}

.nav-link {
  position:relative; padding:.5rem 1rem; font-weight:500; color:#475569;
  border-radius:10px; transition:all .3s ease; font-size:0.95rem;
}
.nav-link:hover { color:var(--primary); background:rgba(99,102,241,0.08); }
.nav-link.active { color:var(--primary); background:rgba(99,102,241,0.10); }
.nav-link.active::after {
  content:''; position:absolute; bottom:-2px; left:50%; transform:translateX(-50%);
  width:22px; height:3px; border-radius:99px; background:var(--accent);
}

.hero-outer {
  position:relative; overflow:hidden;
  background:linear-gradient(135deg,#eef2ff 0%,#ffffff 45%,#fdf2f8 100%);
}
.hero-bg-layer {
  position:absolute; inset:0; background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover; background-position:center; opacity:0.12;
}
.hero-glow {
  position:absolute; width:550px; height:550px; border-radius:50%;
  background:radial-gradient(circle,rgba(99,102,241,0.18),transparent 70%);
  top:-140px; right:-100px; pointer-events:none;
}

.card {
  background:#ffffff; border:1px solid #e2e8f0; border-radius:var(--radius);
  box-shadow:0 4px 20px rgba(2,6,23,0.03); transition:all .4s cubic-bezier(.4,0,.2,1);
}
.card:hover {
  transform:translateY(-6px); box-shadow:var(--shadow);
  border-color:rgba(99,102,241,0.25);
}

.btn-primary {
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.875rem 2.1rem; border-radius:14px; font-weight:600; color:#fff;
  background:linear-gradient(135deg,#6366f1,#8b5cf6);
  box-shadow:0 8px 30px rgba(99,102,241,0.35); transition:all .3s ease;
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 14px 36px rgba(99,102,241,0.45); }
.btn-outline {
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.875rem 2.1rem; border-radius:14px; font-weight:600;
  color:var(--primary-dark); border:1.5px solid #c7d2fe; background:rgba(255,255,255,0.8);
  transition:all .3s ease;
}
.btn-outline:hover { border-color:var(--primary); background:var(--primary); color:#fff; }

.badge-soft {
  display:inline-block; padding:0.2rem 0.8rem; border-radius:999px;
  background:rgba(245,158,11,0.12); color:#b45309;
  font-size:0.78rem; font-weight:600; letter-spacing:0.02em;
}
.badge-primary {
  display:inline-flex; align-items:center; gap:.3rem;
  padding:0.25rem 0.9rem; border-radius:999px;
  background:rgba(99,102,241,0.10); color:var(--primary-dark);
  font-size:0.78rem; font-weight:600;
}

.step-line { position:relative; }
.step-line::before {
  content:''; position:absolute; top:58px; left:50%; transform:translateX(-50%);
  width:1px; height:calc(100% - 58px); background:linear-gradient(to bottom,rgba(99,102,241,0.3),transparent);
}

.faq-item {
  border:1px solid #e2e8f0; border-radius:16px; background:#fff;
  overflow:hidden; transition:all .3s ease; cursor:pointer;
}
.faq-item.open { border-color:rgba(99,102,241,0.3); box-shadow:var(--shadow); }

.site-footer {
  background:#0f172a; color:#94a3b8;
}
.site-footer a { color:#94a3b8; transition:color .3s; }
.site-footer a:hover { color:#f59e0b; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.08);
  font-size:0.85rem; color:#64748b;
}

.mask-fade {
  position:relative;
}
.mask-fade::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:80px;
  background:linear-gradient(to top,#ffffff,transparent);
  pointer-events:none;
}

@media (max-width:768px) {
  .mobile-menu {
    position:fixed; top:74px; left:1rem; right:1rem; z-index:45;
    background:#fff; border-radius:20px; padding:1rem;
    box-shadow:0 20px 60px rgba(2,6,23,0.15);
    transform:translateY(-150%); opacity:0;
    transition:all .35s ease; pointer-events:none;
    border:1px solid #eef2f7;
  }
  .mobile-menu.open { transform:translateY(0); opacity:1; pointer-events:auto; }
  .step-line::before { display:none; }
}

/* roulang page: category1 */
:root {
            --primary-50: #eef2ff;
            --primary-400: #818cf8;
            --primary-500: #6366f1;
            --primary-600: #4f46e5;
            --primary-700: #4338ca;
            --primary-900: #312e81;
            --accent: #d946ef;
            --dark-bg: #0b1020;
            --card-bg: #111827;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.35);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        /* 导航栏 */
        .glass-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 28, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition-base);
        }

        .glass-nav.scrolled {
            background: rgba(8, 11, 23, 0.9);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }

        .nav-link {
            position: relative;
            padding: 0.45rem 0.9rem;
            border-radius: 0.5rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--primary-400);
            background: rgba(99, 102, 241, 0.12);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary-400), var(--accent));
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1.25rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, var(--primary-600), var(--accent));
            color: #ffffff;
            font-size: 0.875rem;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
            transition: var(--transition-base);
        }

        .nav-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
            color: #ffffff;
        }

        /* 移动端菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: rgba(8, 11, 23, 0.98);
            backdrop-filter: blur(24px);
            z-index: 1100;
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 2rem 1.5rem;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1050;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-base);
        }

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

        /* Hero 区域 */
        .category-hero {
            position: relative;
            padding: 8rem 0 5rem;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8, 11, 23, 0.88) 0%, rgba(17, 24, 39, 0.72) 50%, rgba(88, 28, 135, 0.55) 100%);
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top right, rgba(99, 102, 241, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1rem;
            border-radius: 999px;
            background: rgba(129, 140, 248, 0.15);
            border: 1px solid rgba(129, 140, 248, 0.3);
            color: #a5b4fc;
            font-size: 0.8125rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
        }

        .hero-title {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin: 1.25rem 0 1rem;
            background: linear-gradient(120deg, #ffffff 30%, #c7d2fe 70%, #e879f9 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 板块通用 */
        .section {
            padding: 5rem 0;
        }

        .section-header {
            margin-bottom: 3rem;
        }

        .section-tag {
            display: inline-block;
            padding: 0.25rem 0.875rem;
            border-radius: 999px;
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid rgba(99, 102, 241, 0.25);
            color: #a5b4fc;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 0.875rem;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: #ffffff;
        }

        .section-subtitle {
            margin-top: 0.875rem;
            color: var(--text-muted);
            font-size: 1.0625rem;
            max-width: 640px;
        }

        /* 卡片 */
        .card {
            background: linear-gradient(145deg, rgba(30, 41, 59, 0.6), rgba(17, 24, 39, 0.8));
            border: 1px solid var(--border-light);
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            transition: var(--transition-base);
            backdrop-filter: blur(12px);
        }

        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(99, 102, 241, 0.35);
            box-shadow: var(--shadow-lg);
        }

        .card-icon {
            width: 3.25rem;
            height: 3.25rem;
            border-radius: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            background: linear-gradient(135deg, var(--primary-600), var(--accent));
            color: #ffffff;
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
            margin-bottom: 1.25rem;
        }

        .card-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.625rem;
        }

        .card-text {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 徽章 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid rgba(99, 102, 241, 0.2);
            color: #a5b4fc;
        }

        .badge-green {
            background: rgba(16, 185, 129, 0.1);
            border-color: rgba(16, 185, 129, 0.25);
            color: #34d399;
        }

        .badge-amber {
            background: rgba(245, 158, 11, 0.1);
            border-color: rgba(245, 158, 11, 0.25);
            color: #fbbf24;
        }

        /* 步骤流程 */
        .step-item {
            position: relative;
            padding-left: 3rem;
            padding-bottom: 2rem;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: 1rem;
            top: 2.25rem;
            bottom: 0.25rem;
            width: 2px;
            background: linear-gradient(to bottom, rgba(99, 102, 241, 0.5), rgba(217, 70, 239, 0.15));
        }

        .step-item:last-child::before {
            display: none;
        }

        .step-dot {
            position: absolute;
            left: 0;
            top: 0;
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-600), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8125rem;
            font-weight: 700;
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition-base);
            background: rgba(17, 24, 39, 0.5);
            margin-bottom: 0.875rem;
        }

        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.3);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #e2e8f0;
            font-size: 0.9375rem;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            color: var(--primary-400);
        }

        .faq-question i {
            font-size: 0.875rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-400);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            padding: 0 1.5rem;
            color: var(--text-muted);
            font-size: 0.875rem;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 1.25rem;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(67, 56, 202, 0.25), rgba(192, 38, 211, 0.15));
            border: 1px solid rgba(129, 140, 248, 0.2);
            border-radius: var(--radius-2xl);
            padding: 3rem 2rem;
            text-align: center;
            backdrop-filter: blur(12px);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
            animation: ctaPulse 6s ease-in-out infinite;
        }

        @keyframes ctaPulse {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.1); opacity: 1; }
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        /* 页脚 */
        .site-footer {
            background: #080b16;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* 工具类 */
        .text-gradient {
            background: linear-gradient(120deg, #818cf8, #e879f9);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.75rem 1.75rem;
            border-radius: 0.75rem;
            background: linear-gradient(135deg, var(--primary-600), var(--accent));
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9375rem;
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(99, 102, 241, 0.5);
            color: #ffffff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.75rem 1.75rem;
            border-radius: 0.75rem;
            background: transparent;
            color: #c7d2fe;
            font-weight: 600;
            font-size: 0.9375rem;
            border: 1px solid rgba(129, 140, 248, 0.4);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(99, 102, 241, 0.1);
            border-color: var(--primary-400);
            color: #ffffff;
        }

        a:focus-visible, button:focus-visible {
            outline: 2px solid var(--primary-400);
            outline-offset: 2px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section {
                padding: 4rem 0;
            }
            .category-hero {
                min-height: 400px;
                padding: 7rem 0 4rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .category-hero {
                min-height: 360px;
                padding: 6rem 0 3rem;
                background-attachment: scroll;
            }
            .nav-cta .cta-text {
                display: none;
            }
            .faq-question {
                padding: 1rem 1.25rem;
                font-size: 0.875rem;
            }
            .faq-answer {
                padding: 0 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 2.5rem 0;
            }
            .category-hero {
                min-height: 320px;
                padding: 5.5rem 0 2.5rem;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .card {
                padding: 1.25rem;
            }
        }

/* roulang page: article */
:root {
      --primary-400: #7d96ff;
      --primary-500: #5b6ef7;
      --primary-600: #4a51e8;
      --primary-700: #3d41cc;
      --ink: #0f172a;
      --body-bg: #f8fafc;
      --text-base: #334155;
      --text-muted: #64748b;
      --border: rgba(226, 232, 240, .9);
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
      --shadow-md: 0 8px 30px rgba(15, 23, 42, .12);
      --shadow-lg: 0 18px 50px rgba(15, 23, 42, .16);
      --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background: var(--body-bg);
      color: var(--text-base);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

    ul,
    ol {
      list-style: none;
    }

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

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

    input,
    textarea {
      font-family: inherit;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 100;
      background: rgba(255, 255, 255, .82);
      -webkit-backdrop-filter: blur(18px);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 255, 255, .6);
      transition: all .35s ease;
    }

    .site-header.scrolled {
      background: rgba(255, 255, 255, .95);
      box-shadow: 0 6px 24px rgba(15, 23, 42, .08);
      border-bottom-color: rgba(226, 232, 240, .8);
    }

    .logo-mark {
      width: 40px;
      height: 40px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary-500), #7c5cf9);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 8px 20px rgba(74, 81, 232, .3);
      transition: transform .3s ease;
    }

    .logo-mark i {
      color: #fff;
      font-size: 16px;
    }

    a:hover .logo-mark {
      transform: rotate(-6deg) scale(1.04);
    }

    .logo-text {
      font-weight: 800;
      font-size: 1.22rem;
      color: var(--ink);
      letter-spacing: -.01em;
    }

    .logo-text span {
      color: var(--primary-500);
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: .5rem .95rem;
      border-radius: 999px;
      font-size: .9rem;
      font-weight: 600;
      color: #334155;
      transition: all .25s ease;
      position: relative;
    }

    .nav-link:hover {
      color: var(--primary-600);
      background: rgba(91, 110, 247, .1);
    }

    .nav-link.active {
      color: var(--primary-600);
      background: rgba(91, 110, 247, .12);
    }

    .mobile-menu-btn {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: rgba(255, 255, 255, .75);
      border: 1px solid rgba(226, 232, 240, .9);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--ink);
      font-size: 1.05rem;
      transition: all .25s ease;
    }

    .mobile-menu-btn:hover {
      border-color: var(--primary-400);
      color: var(--primary-600);
    }

    .mobile-menu {
      display: none;
      background: rgba(255, 255, 255, .97);
      border-top: 1px solid rgba(226, 232, 240, .8);
      box-shadow: 0 20px 40px rgba(15, 23, 42, .12);
    }

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

    .mobile-menu a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: .9rem 1rem;
      border-radius: 12px;
      font-weight: 600;
      color: #334155;
      transition: background .2s;
    }

    .mobile-menu a:hover,
    .mobile-menu a.active {
      background: rgba(91, 110, 247, .1);
      color: var(--primary-600);
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      padding: .72rem 1.5rem;
      border-radius: 999px;
      font-size: .9rem;
      font-weight: 700;
      transition: all .3s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #fff;
      background: linear-gradient(135deg, var(--primary-600), #7c5cf9);
      box-shadow: 0 10px 24px rgba(74, 81, 232, .35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 32px rgba(74, 81, 232, .45);
    }

    .btn-primary:active {
      transform: translateY(0) scale(.98);
    }

    .btn-outline {
      color: var(--primary-600);
      border: 1.5px solid rgba(91, 110, 247, .5);
      background: rgba(255, 255, 255, .7);
    }

    .btn-outline:hover {
      background: rgba(91, 110, 247, .1);
      transform: translateY(-2px);
    }

    .btn-white {
      background: #fff;
      color: var(--primary-700);
      box-shadow: 0 10px 24px rgba(2, 6, 23, .22);
    }

    .btn-white:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 32px rgba(2, 6, 23, .3);
    }

    .btn-lg {
      padding: .95rem 2rem;
      font-size: 1rem;
    }

    .btn-sm {
      padding: .5rem 1.1rem;
      font-size: .82rem;
    }

    /* ===== Badge / Tag ===== */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      padding: .3rem .85rem;
      border-radius: 999px;
      font-size: .75rem;
      font-weight: 700;
      background: rgba(91, 110, 247, .12);
      color: var(--primary-600);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      padding: .28rem .8rem;
      border-radius: 999px;
      font-size: .78rem;
      font-weight: 600;
      background: #f1f5f9;
      color: var(--text-muted);
      border: 1px solid #e2e8f0;
      transition: all .25s ease;
    }

    .tag:hover {
      background: rgba(91, 110, 247, .1);
      color: var(--primary-600);
      border-color: rgba(91, 110, 247, .35);
    }

    /* ===== Article Banner ===== */
    .article-banner {
      position: relative;
      min-height: 440px;
      display: flex;
      align-items: flex-end;
      padding: 170px 0 82px;
      overflow: hidden;
      background-color: #0b1020;
    }

    .banner-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: .7;
    }

    .banner-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15, 23, 42, .55) 0%, rgba(15, 23, 42, .78) 60%, rgba(15, 23, 42, .94) 100%);
    }

    .banner-content {
      position: relative;
      z-index: 2;
      max-width: 860px;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: .45rem;
      font-size: .84rem;
      color: rgba(255, 255, 255, .6);
      margin-bottom: 18px;
    }

    .breadcrumb i {
      font-size: .7rem;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, .85);
      transition: color .2s;
    }

    .breadcrumb a:hover {
      color: #fff;
    }

    .article-banner h1 {
      font-size: clamp(1.7rem, 3.2vw, 2.6rem);
      font-weight: 800;
      line-height: 1.35;
      color: #fff;
      margin: 16px 0 14px;
      letter-spacing: -.02em;
    }

    .banner-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      color: rgba(255, 255, 255, .72);
      font-size: .86rem;
    }

    .banner-meta span {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
    }

    /* ===== Article Section ===== */
    .article-section {
      padding: 80px 0 90px;
    }

    .article-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .article-card-inner {
      padding: 48px;
    }

    .article-meta-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
      padding-bottom: 24px;
      margin-bottom: 28px;
      border-bottom: 1px solid #eef2f7;
      color: var(--text-muted);
      font-size: .86rem;
    }

    .article-meta-bar span {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
    }

    .rich-text {
      font-size: .98rem;
      line-height: 1.9;
      color: #334155;
    }

    .rich-text h2 {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--ink);
      margin: 1.8em 0 .7em;
      padding-left: 14px;
      border-left: 4px solid var(--primary-500);
      line-height: 1.4;
    }

    .rich-text h3 {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--ink);
      margin: 1.5em 0 .5em;
    }

    .rich-text p {
      margin-bottom: 1.2em;
    }

    .rich-text strong {
      color: var(--ink);
      font-weight: 700;
    }

    .rich-text a {
      color: var(--primary-600);
      text-decoration: underline;
      text-underline-offset: 3px;
    }

    .rich-text ul,
    .rich-text ol {
      margin-bottom: 1.2em;
      padding-left: 1.4em;
    }

    .rich-text ul {
      list-style: disc;
    }

    .rich-text ol {
      list-style: decimal;
    }

    .rich-text li {
      margin-bottom: .45em;
    }

    .rich-text blockquote {
      border-left: 4px solid var(--primary-500);
      background: #f8fafc;
      padding: 1rem 1.4rem;
      border-radius: 0 12px 12px 0;
      margin: 1.4em 0;
      color: var(--text-muted);
      font-style: normal;
    }

    .rich-text img {
      border-radius: 14px;
      margin: 1.4em 0;
      box-shadow: var(--shadow-sm);
    }

    .rich-text code {
      background: #f1f5f9;
      padding: .15em .5em;
      border-radius: 6px;
      font-size: .88em;
      color: #dc2626;
    }

    .rich-text table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.4em 0;
      font-size: .9rem;
    }

    .rich-text th,
    .rich-text td {
      border: 1px solid #e2e8f0;
      padding: .7rem 1rem;
      text-align: left;
    }

    .rich-text th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--ink);
    }

    .article-footer-bar {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      margin-top: 36px;
      padding-top: 26px;
      border-top: 1px solid #eef2f7;
    }

    .share-links {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .share-links a {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: .82rem;
      color: var(--text-muted);
      transition: all .25s ease;
    }

    .share-links a:hover {
      background: var(--primary-600);
      color: #fff;
      transform: translateY(-2px);
    }

    .not-found-box {
      background: #f8fafc;
      border: 1px dashed #cbd5e1;
      border-radius: var(--radius-md);
      padding: 44px 30px;
      text-align: center;
    }

    .not-found-box i {
      font-size: 2.8rem;
      color: var(--primary-400);
      margin-bottom: 16px;
    }

    .not-found-box h2 {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 8px;
    }

    .not-found-box p {
      color: var(--text-muted);
      font-size: .92rem;
      margin-bottom: 22px;
    }

    /* ===== Sidebar ===== */
    .sidebar-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      padding: 28px;
      margin-bottom: 26px;
      transition: box-shadow .3s ease;
    }

    .sidebar-card:hover {
      box-shadow: var(--shadow-md);
    }

    .sidebar-title {
      font-size: 1.04rem;
      font-weight: 800;
      color: var(--ink);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: .55rem;
    }

    .sidebar-title i {
      color: var(--primary-500);
      font-size: 1rem;
    }

    .sidebar-list li {
      padding: .78rem 0;
      border-bottom: 1px dashed #eef2f7;
    }

    .sidebar-list li:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .sidebar-list li:first-child {
      padding-top: 0;
    }

    .sidebar-list a {
      display: flex;
      align-items: center;
      gap: .6rem;
      font-size: .9rem;
      color: var(--text-base);
      font-weight: 600;
      transition: all .25s ease;
    }

    .sidebar-list a i {
      font-size: .8rem;
      color: var(--primary-400);
      transition: transform .25s ease;
    }

    .sidebar-list a:hover {
      color: var(--primary-600);
      transform: translateX(4px);
    }

    .sidebar-list a:hover i {
      transform: translateX(2px);
    }

    .sidebar-cover {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 16px;
    }

    .sidebar-cover img {
      width: 100%;
      height: 150px;
      object-fit: cover;
      transition: transform .5s ease;
    }

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

    .sidebar-help {
      background: linear-gradient(135deg, #1c1f4b, #303681 60%, #4a51e8);
      border: none;
      color: #fff;
    }

    .sidebar-help .sidebar-title {
      color: #fff;
    }

    .sidebar-help .sidebar-title i {
      color: #a2bbff;
    }

    .sidebar-help p {
      font-size: .88rem;
      color: rgba(255, 255, 255, .72);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    /* ===== Related Cards ===== */
    .related-section {
      padding: 0 0 90px;
    }

    .section-heading {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 36px;
    }

    .section-heading h2 {
      font-size: clamp(1.4rem, 2.4vw, 1.9rem);
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -.02em;
    }

    .section-heading p {
      color: var(--text-muted);
      font-size: .92rem;
    }

    .related-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all .35s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .related-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .related-cover {
      position: relative;
      overflow: hidden;
      height: 180px;
    }

    .related-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .6s ease;
    }

    .related-card:hover .related-cover img {
      transform: scale(1.06);
    }

    .related-cover .badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(255, 255, 255, .92);
      color: var(--primary-600);
    }

    .related-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .related-body h3 {
      font-size: 1.02rem;
      font-weight: 800;
      color: var(--ink);
      line-height: 1.5;
      margin-bottom: 10px;
      transition: color .25s;
    }

    .related-card:hover .related-body h3 {
      color: var(--primary-600);
    }

    .related-body p {
      font-size: .86rem;
      color: var(--text-muted);
      line-height: 1.7;
      flex: 1;
    }

    .related-more {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      margin-top: 16px;
      font-size: .84rem;
      font-weight: 700;
      color: var(--primary-600);
    }

    .related-more i {
      transition: transform .25s ease;
    }

    .related-card:hover .related-more i {
      transform: translateX(4px);
    }

    /* ===== Stats band ===== */
    .stats-band {
      background: linear-gradient(135deg, #1c1f4b 0%, #303681 55%, #4a51e8 100%);
      border-radius: 28px;
      padding: 48px 40px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin: 0 0 90px;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .stats-band::before {
      content: '';
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .06);
      top: -100px;
      right: -60px;
    }

    .stat-item {
      text-align: center;
      position: relative;
      z-index: 2;
    }

    .stat-item .stat-icon {
      width: 54px;
      height: 54px;
      margin: 0 auto 14px;
      border-radius: 16px;
      background: rgba(255, 255, 255, .12);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      color: #a2bbff;
    }

    .stat-item h3 {
      font-size: 1rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 4px;
    }

    .stat-item p {
      font-size: .85rem;
      color: rgba(255, 255, 255, .65);
    }

    /* ===== FAQ ===== */
    .faq-section {
      padding: 0 0 90px;
    }

    .faq-item {
      background: #fff;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      overflow: hidden;
      margin-bottom: 14px;
      transition: box-shadow .3s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-md);
    }

    .faq-question {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 700;
      color: var(--ink);
      font-size: .96rem;
    }

    .faq-question i {
      color: var(--primary-400);
      transition: transform .35s ease;
      flex-shrink: 0;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 22px;
      color: var(--text-muted);
      font-size: .9rem;
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cta-section {
      position: relative;
      background: linear-gradient(135deg, #1c1f4b 0%, #303681 50%, #4a51e8 100%);
      border-radius: 28px;
      padding: 72px 48px;
      margin-bottom: 90px;
      overflow: hidden;
      text-align: center;
      box-shadow: var(--shadow-lg);
    }

    .cta-section::before {
      content: '';
      position: absolute;
      width: 380px;
      height: 380px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .05);
      top: -140px;
      left: -100px;
    }

    .cta-section::after {
      content: '';
      position: absolute;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(125, 150, 255, .15);
      bottom: -80px;
      right: 40px;
    }

    .cta-section h2 {
      font-size: clamp(1.6rem, 3vw, 2.3rem);
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: -.02em;
      position: relative;
      z-index: 2;
    }

    .cta-section p {
      color: rgba(255, 255, 255, .75);
      font-size: 1rem;
      max-width: 560px;
      margin: 0 auto 28px;
      position: relative;
      z-index: 2;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 14px;
      position: relative;
      z-index: 2;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: #0b1020;
      color: #94a3b8;
      position: relative;
    }

    .site-footer a {
      transition: color .25s;
    }

    .site-footer h4 {
      font-size: .98rem;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .08);
    }

    /* ===== Animations ===== */
    @keyframes fadeUp {
      from {
        opacity: 0;
        transform: translateY(24px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .animate-fade-up {
      animation: fadeUp .7s ease both;
    }

    .delay-100 {
      animation-delay: .1s;
    }

    .delay-200 {
      animation-delay: .2s;
    }

    .delay-300 {
      animation-delay: .3s;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .article-section {
        padding: 60px 0 70px;
      }
      .stats-band {
        gap: 20px;
        padding: 40px 28px;
      }
    }

    @media (max-width: 768px) {
      .article-banner {
        min-height: 380px;
        padding: 140px 0 60px;
      }
      .article-card-inner {
        padding: 28px;
      }
      .article-section {
        padding: 50px 0 60px;
      }
      .stats-band {
        grid-template-columns: 1fr;
        gap: 26px;
        margin-bottom: 70px;
      }
      .cta-section {
        padding: 48px 24px;
        margin-bottom: 70px;
      }
      .section-heading {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }

    @media (max-width: 520px) {
      .article-card-inner {
        padding: 20px;
      }
      .article-meta-bar {
        gap: 10px;
      }
      .banner-meta {
        flex-direction: column;
        gap: 8px;
      }
      .related-body {
        padding: 18px;
      }
      .related-cover {
        height: 160px;
      }
      .btn-lg {
        width: 100%;
      }
      .cta-actions {
        flex-direction: column;
      }
      .footer-bottom {
        text-align: center;
      }
    }

/* roulang page: category2 */
:root {
      --bg-primary: #0b0f1a;
      --bg-secondary: #111827;
      --bg-card: rgba(255, 255, 255, 0.03);
      --bg-card-hover: rgba(255, 255, 255, 0.07);
      --border: rgba(255, 255, 255, 0.08);
      --text-title: #f1f5f9;
      --text-body: #cbd5e1;
      --text-muted: #64748b;
      --accent: #6366f1;
      --accent-light: #a5b4fc;
      --radius-lg: 20px;
      --radius-md: 14px;
      --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.25);
      --transition: all .35s ease;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
      background: var(--bg-primary);
      color: var(--text-body);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      color: inherit;
      transition: var(--transition);
    }
    button {
      cursor: pointer;
      border: none;
      background: none;
      font-family: inherit;
    }
    input {
      font-family: inherit;
      outline: none;
    }

    /* ── 导航 ── */
    .glass-nav {
      background: rgba(11, 15, 26, 0.55);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      transition: background .4s ease, box-shadow .4s ease;
    }
    .glass-nav.scrolled {
      background: rgba(11, 15, 26, 0.92);
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
    }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding: 8px 16px;
      font-size: 14px;
      font-weight: 500;
      color: rgba(203, 213, 225, 0.75);
      border-radius: 10px;
      transition: var(--transition);
    }
    .nav-link:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.06);
    }
    .nav-link.active {
      color: #c7d2fe;
      background: rgba(99, 102, 241, 0.12);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 3px;
      transform: translateX(-50%);
      width: 20px;
      height: 2px;
      border-radius: 4px;
      background: linear-gradient(90deg, #6366f1, #a855f7);
    }
    .mobile-nav {
      display: none;
      padding: 8px 20px 16px;
    }
    .mobile-nav.open {
      display: block;
    }
    .mobile-nav-link {
      display: block;
      padding: 12px 14px;
      font-size: 15px;
      font-weight: 500;
      color: rgba(203, 213, 225, 0.8);
      border-radius: 12px;
      transition: var(--transition);
    }
    .mobile-nav-link:hover {
      background: rgba(255, 255, 255, 0.06);
      color: #fff;
    }
    .mobile-nav-link.active {
      color: var(--accent-light);
      background: rgba(99, 102, 241, 0.1);
    }

    /* ── 通用块 ── */
    .section-padding {
      padding: 96px 0;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 100px;
      font-size: 13px;
      font-weight: 600;
      background: rgba(99, 102, 241, 0.1);
      border: 1px solid rgba(99, 102, 241, 0.2);
      color: var(--accent-light);
    }

    /* ── Hero ── */
    .news-hero {
      position: relative;
      padding: 180px 0 100px;
      overflow: hidden;
    }
    .news-hero .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-1.png');
      background-size: cover;
      background-position: center;
      opacity: 0.55;
    }
    .news-hero .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 15, 26, 0.7) 0%, rgba(11, 15, 26, 0.85) 55%, #0b0f1a 100%);
    }

    /* ── 搜索框 ── */
    .hero-search {
      position: relative;
      max-width: 520px;
    }
    .hero-search input {
      width: 100%;
      height: 52px;
      padding: 0 52px 0 20px;
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.06);
      color: #e2e8f0;
      font-size: 14px;
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }
    .hero-search input::placeholder {
      color: rgba(148, 163, 184, 0.6);
    }
    .hero-search input:focus {
      border-color: rgba(99, 102, 241, 0.5);
      background: rgba(255, 255, 255, 0.1);
      box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    }
    .hero-search button {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: linear-gradient(135deg, #6366f1, #8b5cf6);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }
    .hero-search button:hover {
      transform: translateY(-50%) scale(1.04);
      box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4);
    }

    /* ── 标签 ── */
    .filter-tab {
      display: inline-flex;
      align-items: center;
      padding: 8px 18px;
      border-radius: 100px;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
      border: 1px solid var(--border);
      background: rgba(255, 255, 255, 0.03);
      transition: var(--transition);
      cursor: pointer;
    }
    .filter-tab:hover {
      color: #e2e8f0;
      border-color: rgba(99, 102, 241, 0.3);
      background: rgba(99, 102, 241, 0.08);
    }
    .filter-tab.active {
      color: #fff;
      background: linear-gradient(135deg, #6366f1, #8b5cf6);
      border-color: transparent;
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
    }

    /* ── 资讯卡片 ── */
    .news-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      background: var(--bg-card-hover);
      border-color: rgba(99, 102, 241, 0.25);
      transform: translateY(-6px);
      box-shadow: var(--shadow-card);
    }
    .news-card-media {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 10;
    }
    .news-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }
    .news-card:hover .news-card-media img {
      transform: scale(1.05);
    }
    .news-card-media::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(11, 15, 26, 0.6));
    }
    .news-card-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-card-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-title);
      line-height: 1.45;
      margin-bottom: 10px;
      transition: var(--transition);
    }
    .news-card-title:hover {
      color: var(--accent-light);
    }
    .news-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      flex: 1;
    }

    /* ── 时间线 ── */
    .timeline-wrap {
      position: relative;
      padding-left: 36px;
    }
    .timeline-wrap::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 4px;
      bottom: 4px;
      width: 2px;
      background: linear-gradient(180deg, #6366f1, #8b5cf6, rgba(99, 102, 241, 0.1));
      border-radius: 4px;
    }
    .timeline-item {
      position: relative;
      padding-bottom: 32px;
    }
    .timeline-item:last-child {
      padding-bottom: 0;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -31px;
      top: 6px;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6366f1, #8b5cf6);
      border: 3px solid #0b0f1a;
      box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.5);
    }
    .timeline-date {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: var(--accent-light);
      margin-bottom: 6px;
    }
    .timeline-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 4px;
    }
    .timeline-desc {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* ── 数据块 ── */
    .stat-card {
      background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px 24px;
      text-align: center;
      transition: var(--transition);
    }
    .stat-card:hover {
      border-color: rgba(99, 102, 241, 0.3);
      transform: translateY(-4px);
    }
    .stat-number {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.2;
      background: linear-gradient(135deg, #a5b4fc, #e9d5ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    /* ── FAQ ── */
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px 28px;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: rgba(99, 102, 241, 0.25);
      background: var(--bg-card-hover);
    }
    .faq-icon {
      width: 36px;
      height: 36px;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: rgba(99, 102, 241, 0.12);
      color: var(--accent-light);
      font-size: 14px;
    }

    /* ── CTA ── */
    .cta-section {
      position: relative;
      overflow: hidden;
      padding: 100px 0;
    }
    .cta-card {
      background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.12));
      border: 1px solid rgba(139, 92, 246, 0.2);
      border-radius: 28px;
      padding: 56px 48px;
      position: relative;
      backdrop-filter: blur(10px);
    }

    /* ── 页脚 ── */
    .site-footer {
      background: #080c16;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }
    .site-footer h4 {
      font-size: 15px;
      font-weight: 600;
    }
    .site-footer ul li a {
      color: #64748b;
      transition: var(--transition);
    }
    .site-footer ul li a:hover {
      color: #a5b4fc;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    /* ── 按钮 ── */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 14px;
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      background: linear-gradient(135deg, #6366f1, #8b5cf6);
      box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
      transition: var(--transition);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 32px rgba(99, 102, 241, 0.45);
    }
    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 14px;
      font-size: 14px;
      font-weight: 600;
      color: #cbd5e1;
      border: 1px solid rgba(255, 255, 255, 0.15);
      background: rgba(255, 255, 255, 0.04);
      transition: var(--transition);
    }
    .btn-ghost:hover {
      border-color: rgba(99, 102, 241, 0.4);
      color: #fff;
      background: rgba(99, 102, 241, 0.1);
    }

    /* ── 响应式 ── */
    @media (max-width: 1024px) {
      .section-padding {
        padding: 72px 0;
      }
      .news-hero {
        padding: 150px 0 80px;
      }
    }
    @media (max-width: 768px) {
      .section-padding {
        padding: 56px 0;
      }
      .news-hero {
        padding: 130px 0 64px;
      }
      .stat-number {
        font-size: 32px;
      }
      .cta-card {
        padding: 40px 24px;
        border-radius: 22px;
      }
    }
    @media (max-width: 520px) {
      .news-hero {
        padding: 120px 0 56px;
      }
      .news-hero h1 {
        font-size: 30px;
      }
      .hero-search input {
        height: 48px;
      }
      .section-badge {
        font-size: 12px;
      }
      .stat-number {
        font-size: 28px;
      }
    }

    a:focus-visible,
    button:focus-visible,
    input:focus-visible {
      outline: 2px solid rgba(99, 102, 241, 0.6);
      outline-offset: 2px;
    }

/* roulang page: category3 */
:root {
        --color-primary: #8b5cf6;
        --color-primary-dark: #7c3aed;
        --color-primary-light: #a78bfa;
        --color-bg: #0b0f1a;
        --color-bg-soft: #121829;
        --color-card: rgba(255, 255, 255, 0.045);
        --color-border: rgba(255, 255, 255, 0.08);
        --color-text: #f1f5f9;
        --color-text-muted: #94a3b8;
        --color-text-faint: #64748b;
        --radius-lg: 20px;
        --radius-md: 14px;
        --radius-sm: 10px;
        --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.35);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        background-color: var(--color-bg);
        color: var(--color-text);
        font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

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

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

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

    input {
        font-family: inherit;
        outline: none;
    }

    :focus-visible {
        outline: 2px solid rgba(139, 92, 246, 0.7);
        outline-offset: 2px;
    }

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

    /* ========== 导航 ========== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: rgba(11, 15, 26, 0.55);
        backdrop-filter: blur(22px);
        -webkit-backdrop-filter: blur(22px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        transition: background 0.35s ease, box-shadow 0.35s ease;
    }

    .site-header.scrolled {
        background: rgba(11, 15, 26, 0.9);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
    }

    .header-logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 14px;
        background: linear-gradient(135deg, #8b5cf6, #a855f7);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 6px 20px rgba(139, 92, 246, 0.35);
    }

    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 9px 16px;
        border-radius: 12px;
        font-size: 14px;
        font-weight: 500;
        color: rgba(241, 245, 249, 0.7);
        border: 1px solid transparent;
        transition: var(--transition);
        letter-spacing: 0.01em;
    }

    .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.07);
    }

    .nav-link.active {
        color: #fff;
        background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(168, 85, 247, 0.22));
        border-color: rgba(168, 85, 247, 0.3);
        font-weight: 600;
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 9px 20px;
        border-radius: 12px;
        background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        box-shadow: 0 4px 18px rgba(124, 58, 237, 0.4);
        transition: var(--transition);
    }

    .header-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(124, 58, 237, 0.5);
        color: #fff;
    }

    .menu-btn {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.07);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

    .menu-btn:hover {
        background: rgba(255, 255, 255, 0.14);
    }

    .mobile-menu {
        display: none;
        padding: 12px 20px 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        background: rgba(11, 15, 26, 0.95);
    }

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

    .mobile-link {
        display: block;
        padding: 13px 14px;
        border-radius: 12px;
        color: rgba(241, 245, 249, 0.75);
        font-size: 15px;
        font-weight: 500;
        transition: var(--transition);
    }

    .mobile-link:hover {
        background: rgba(255, 255, 255, 0.06);
        color: #fff;
    }

    .mobile-link.active {
        background: rgba(139, 92, 246, 0.15);
        color: #c4b5fd;
    }

    @media (max-width: 768px) {
        .desktop-nav {
            display: none;
        }
        .mobile-menu {
            display: none;
        }
        .mobile-menu.open {
            display: block;
        }
    }

    /* ========== 页面Banner ========== */
    .page-banner {
        position: relative;
        min-height: 480px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 150px 0 90px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }

    .banner-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(11, 15, 26, 0.65) 0%, rgba(11, 15, 26, 0.75) 60%, #0b0f1a 100%);
    }

    .banner-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 18px;
        border-radius: 100px;
        background: rgba(139, 92, 246, 0.2);
        border: 1px solid rgba(139, 92, 246, 0.35);
        color: #c4b5fd;
        font-size: 14px;
        font-weight: 600;
        backdrop-filter: blur(10px);
        margin-bottom: 24px;
        letter-spacing: 0.03em;
    }

    .banner-title {
        font-size: clamp(34px, 5vw, 56px);
        font-weight: 800;
        line-height: 1.2;
        color: #fff;
        letter-spacing: -0.02em;
        margin-bottom: 16px;
        text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .banner-desc {
        font-size: 17px;
        line-height: 1.8;
        color: rgba(241, 245, 249, 0.85);
        max-width: 660px;
        margin: 0 auto 36px;
    }

    .banner-search {
        max-width: 560px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.15);
        border-radius: 60px;
        padding: 6px 6px 6px 22px;
        backdrop-filter: blur(14px);
        transition: var(--transition);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    }

    .banner-search:focus-within {
        border-color: rgba(139, 92, 246, 0.5);
        box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.15);
        background: rgba(255, 255, 255, 0.14);
    }

    .banner-search i {
        color: rgba(255, 255, 255, 0.4);
        font-size: 15px;
    }

    .banner-search input {
        flex: 1;
        background: transparent;
        border: none;
        padding: 10px 14px;
        color: #fff;
        font-size: 15px;
    }

    .banner-search input::placeholder {
        color: rgba(255, 255, 255, 0.45);
    }

    .banner-search button {
        background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        color: #fff;
        padding: 11px 26px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 14px;
        transition: var(--transition);
        white-space: nowrap;
    }

    .banner-search button:hover {
        transform: scale(1.03);
        box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
    }

    /* ========== 通用板块 ========== */
    .section {
        padding: 100px 0;
    }

    .section-alt {
        background: var(--color-bg-soft);
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        padding: 7px 16px;
        border-radius: 100px;
        background: rgba(139, 92, 246, 0.12);
        border: 1px solid rgba(139, 92, 246, 0.25);
        color: #a78bfa;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.04em;
        margin-bottom: 16px;
    }

    .section-title {
        font-size: clamp(28px, 3.6vw, 42px);
        font-weight: 800;
        line-height: 1.25;
        color: #fff;
        letter-spacing: -0.02em;
        margin-bottom: 16px;
    }

    .section-desc {
        font-size: 16px;
        color: var(--color-text-muted);
        line-height: 1.8;
        max-width: 560px;
    }

    .section-header {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        margin-bottom: 52px;
    }

    /* ========== 分类卡片 ========== */
    .category-card {
        position: relative;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 34px 28px 30px;
        overflow: hidden;
        transition: var(--transition);
    }

    .category-card::before {
        content: '';
        position: absolute;
        top: -40px;
        right: -40px;
        width: 120px;
        height: 120px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(139, 92, 246, 0.15), transparent 70%);
        opacity: 0;
        transition: var(--transition);
    }

    .category-card:hover {
        background: rgba(255, 255, 255, 0.07);
        border-color: rgba(139, 92, 246, 0.35);
        transform: translateY(-6px);
        box-shadow: var(--shadow-card);
    }

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

    .category-icon {
        width: 58px;
        height: 58px;
        border-radius: 18px;
        background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(168, 85, 247, 0.2));
        border: 1px solid rgba(139, 92, 246, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: #a78bfa;
        margin-bottom: 22px;
        transition: var(--transition);
    }

    .category-card:hover .category-icon {
        background: linear-gradient(135deg, #8b5cf6, #a855f7);
        color: #fff;
        box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
        transform: scale(1.05);
    }

    .category-card h3 {
        font-size: 19px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }

    .category-card p {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 18px;
    }

    .category-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .category-tags span {
        font-size: 12px;
        padding: 5px 12px;
        border-radius: 100px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: rgba(241, 245, 249, 0.7);
        transition: var(--transition);
    }

    .category-card:hover .category-tags span {
        border-color: rgba(139, 92, 246, 0.3);
        color: rgba(241, 245, 249, 0.9);
    }

    .category-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: 20px;
        font-size: 14px;
        font-weight: 600;
        color: #a78bfa;
        transition: var(--transition);
    }

    .category-link i {
        font-size: 12px;
        transition: transform 0.3s ease;
    }

    .category-link:hover {
        color: #fff;
    }

    .category-link:hover i {
        transform: translateX(4px);
    }

    /* ========== 热门问题 ========== */
    .hot-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .hot-item {
        display: flex;
        align-items: center;
        gap: 18px;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 20px 22px;
        transition: var(--transition);
    }

    .hot-item:hover {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(139, 92, 246, 0.3);
        transform: translateX(6px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    }

    .hot-item-icon {
        width: 44px;
        height: 44px;
        border-radius: 14px;
        background: rgba(139, 92, 246, 0.12);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        color: #a78bfa;
        flex-shrink: 0;
    }

    .hot-item-title {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        display: inline-block;
        line-height: 1.5;
    }

    .hot-item-title:hover {
        color: #a78bfa;
    }

    .hot-item-desc {
        font-size: 13px;
        color: var(--color-text-faint);
        margin-top: 2px;
        line-height: 1.6;
    }

    .hot-item-link {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.05);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text-faint);
        flex-shrink: 0;
        transition: var(--transition);
    }

    .hot-item:hover .hot-item-link {
        background: #8b5cf6;
        color: #fff;
    }

    /* 右侧联系卡 */
    .contact-card {
        background: linear-gradient(145deg, rgba(139, 92, 246, 0.18), rgba(124, 58, 237, 0.08));
        border: 1px solid rgba(139, 92, 246, 0.3);
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        text-align: center;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .contact-card-icon {
        width: 68px;
        height: 68px;
        border-radius: 50%;
        background: linear-gradient(135deg, #8b5cf6, #a855f7);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        color: #fff;
        box-shadow: 0 12px 32px rgba(139, 92, 246, 0.4);
        margin-bottom: 22px;
    }

    .contact-card h3 {
        color: #fff;
        font-size: 21px;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .contact-card p {
        color: rgba(241, 245, 249, 0.65);
        font-size: 14px;
        line-height: 1.8;
        margin-bottom: 24px;
    }

    .contact-card .btn-primary {
        width: 100%;
        justify-content: center;
    }

    /* ========== 操作指南 ========== */
    .guide-card {
        position: relative;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .guide-card:hover {
        border-color: rgba(139, 92, 246, 0.35);
        box-shadow: var(--shadow-card);
        transform: translateY(-6px);
    }

    .guide-image {
        position: relative;
        height: 190px;
        overflow: hidden;
    }

    .guide-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .guide-card:hover .guide-image img {
        transform: scale(1.06);
    }

    .guide-cat {
        position: absolute;
        top: 14px;
        left: 14px;
        padding: 6px 14px;
        border-radius: 100px;
        background: rgba(11, 15, 26, 0.75);
        backdrop-filter: blur(10px);
        color: #c4b5fd;
        font-size: 12px;
        font-weight: 600;
        border: 1px solid rgba(139, 92, 246, 0.3);
    }

    .guide-content {
        padding: 24px 24px 26px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .guide-content h3 {
        font-size: 18px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
        line-height: 1.4;
    }

    .guide-content p {
        font-size: 14px;
        color: var(--color-text-muted);
        line-height: 1.7;
        margin-bottom: 18px;
        flex: 1;
    }

    .guide-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .guide-meta span {
        font-size: 13px;
        color: var(--color-text-faint);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    .guide-meta a {
        font-size: 13px;
        font-weight: 600;
        color: #a78bfa;
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .guide-meta a:hover {
        color: #fff;
    }

    /* ========== 统计块 ========== */
    .stat-card {
        text-align: center;
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 38px 24px;
        transition: var(--transition);
    }

    .stat-card:hover {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(139, 92, 246, 0.3);
        transform: translateY(-4px);
        box-shadow: var(--shadow-card);
    }

    .stat-number {
        font-size: clamp(32px, 4vw, 46px);
        font-weight: 800;
        line-height: 1.1;
        background: linear-gradient(135deg, #c4b5fd, #8b5cf6);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        margin-bottom: 8px;
        letter-spacing: -0.02em;
    }

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

    /* ========== FAQ ========== */
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--color-card);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: 16px;
        overflow: hidden;
        transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
    }

    .faq-item.active {
        border-color: rgba(139, 92, 246, 0.4);
        background: rgba(139, 92, 246, 0.07);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 100%;
        padding: 22px 24px;
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        text-align: left;
        cursor: pointer;
        background: transparent;
        transition: var(--transition);
        line-height: 1.5;
    }

    .faq-question:hover {
        color: #c4b5fd;
    }

    .faq-icon {
        width: 30px;
        height: 30px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.07);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #a78bfa;
        flex-shrink: 0;
        font-size: 12px;
        transition: var(--transition);
    }

    .faq-item.active .faq-icon {
        background: #8b5cf6;
        color: #fff;
        transform: rotate(180deg);
    }

    .faq-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
    }

    .faq-answer {
        padding: 0 24px 24px;
        color: rgba(241, 245, 249, 0.75);
        font-size: 14px;
        line-height: 1.85;
    }

    .faq-answer strong {
        color: #fff;
        font-weight: 600;
    }

    /* ========== CTA ========== */
    .cta-box {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        padding: 64px 48px;
        background-image: url('/assets/images/backpic/back-3.png');
        background-size: cover;
        background-position: center;
        text-align: center;
    }

    .cta-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(124, 58, 237, 0.32), rgba(11, 15, 26, 0.78));
    }

    .cta-box .relative {
        position: relative;
        z-index: 1;
    }

    .cta-box h2 {
        font-size: clamp(26px, 3.5vw, 40px);
        font-weight: 800;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: -0.01em;
    }

    .cta-box p {
        font-size: 16px;
        color: rgba(241, 245, 249, 0.8);
        max-width: 560px;
        margin: 0 auto 30px;
        line-height: 1.8;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 34px;
        border-radius: 14px;
        background: linear-gradient(135deg, #8b5cf6, #7c3aed);
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        box-shadow: 0 8px 28px rgba(124, 58, 237, 0.4);
        transition: var(--transition);
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 14px 36px rgba(124, 58, 237, 0.5);
        color: #fff;
    }

    .btn-ghost {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 34px;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.18);
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        transition: var(--transition);
    }

    .btn-ghost:hover {
        background: rgba(255, 255, 255, 0.16);
        border-color: rgba(255, 255, 255, 0.3);
        color: #fff;
        transform: translateY(-3px);
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: #070a13;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

    .site-footer a {
        color: #94a3b8;
    }

    .site-footer a:hover {
        color: #a78bfa;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }

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

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
        .section {
            padding: 80px 0;
        }
        .page-banner {
            min-height: 440px;
            padding: 130px 0 70px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 64px 0;
        }
        .page-banner {
            min-height: 420px;
            padding: 120px 0 60px;
        }
        .section-header {
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 36px;
        }
        .section-desc {
            font-size: 15px;
        }
        .hot-item {
            gap: 14px;
            padding: 16px 18px;
        }
        .hot-item-desc {
            display: none;
        }
        .guide-image {
            height: 170px;
        }
        .cta-box {
            padding: 48px 24px;
        }
        .banner-search {
            flex-direction: column;
            align-items: stretch;
            gap: 8px;
            background: transparent;
            border: none;
            padding: 0;
            box-shadow: none;
        }
        .banner-search input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 50px;
            padding: 13px 22px;
        }
        .banner-search button {
            justify-content: center;
            width: 100%;
        }
        .banner-search i {
            display: none;
        }
    }

    @media (max-width: 520px) {
        .container-site {
            padding-left: 16px;
            padding-right: 16px;
        }
        .section {
            padding: 52px 0;
        }
        .banner-badge {
            font-size: 12px;
            padding: 6px 14px;
        }
        .banner-desc {
            font-size: 15px;
        }
        .category-card {
            padding: 26px 20px 24px;
        }
        .stat-card {
            padding: 28px 16px;
        }
        .faq-question {
            padding: 18px 18px;
            font-size: 14px;
        }
        .faq-answer {
            padding: 0 18px 18px;
            font-size: 13px;
        }
        .cta-box h2 {
            font-size: 24px;
        }
        .btn-primary,
        .btn-ghost {
            width: 100%;
            justify-content: center;
            margin-bottom: 10px;
        }
    }