/* roulang page: index */
:root {
            --primary: #1D4ED8;
            --primary-dark: #1E40AF;
            --primary-light: #3B82F6;
            --accent: #D97706;
            --bg: #F8FAFC;
            --card-bg: #FFFFFF;
            --border: #E2E8F0;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-secondary: #64748B;
            --text-muted: #94A3B8;
            --footer-bg: #0F172A;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-btn: 10px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        /* 桌面端导航 */
        .side-nav a.nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 48px;
            padding: 0 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            transition: all 0.2s ease;
            position: relative;
            margin-bottom: 4px;
        }
        .side-nav a.nav-item:hover {
            background: #F8FAFC;
            color: var(--primary);
        }
        .side-nav a.nav-item.active {
            background: #EFF6FF;
            color: var(--primary);
            font-weight: 600;
        }
        .side-nav a.nav-item.active::before {
            content: '';
            position: absolute;
            left: -3px;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 0 4px 4px 0;
            background: var(--primary);
        }

        /* 移动端导航项 */
        .mobile-nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            height: 56px;
            padding: 0 20px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: #334155;
            transition: all 0.2s ease;
            margin-bottom: 4px;
        }
        .mobile-nav-item:hover {
            background: #EFF6FF;
            color: var(--primary);
        }
        .mobile-nav-item.active {
            background: #EFF6FF;
            color: var(--primary);
            font-weight: 600;
            border-left: 4px solid var(--accent);
            border-radius: 0 12px 12px 0;
        }

        /* 主按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border: none;
            box-shadow: 0 6px 16px rgba(29, 78, 216, 0.25);
            transition: all 0.25s ease;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(29, 78, 216, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
        }
        .btn-primary:focus-visible {
            outline: 2px solid #BFDBFE;
            outline-offset: 2px;
        }

        /* 次按钮 */
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 48px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid var(--primary);
            transition: all 0.25s ease;
        }
        .btn-secondary:hover {
            background: #EFF6FF;
        }
        .btn-secondary:active {
            background: #DBEAFE;
        }
        .btn-secondary:focus-visible {
            outline: 2px solid #BFDBFE;
            outline-offset: 2px;
        }

        /* 卡片 */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
            transition: all 0.3s ease;
        }
        .card-hover:hover {
            box-shadow: 0 12px 28px rgba(29, 78, 216, 0.08);
            transform: translateY(-4px);
        }

        /* 徽章 */
        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            border-radius: 6px;
            background: #DBEAFE;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
        }

        /* 轮播箭头 */
        .carousel-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
            transition: all 0.2s ease;
            color: var(--primary-light);
        }
        .carousel-btn:hover {
            background: #EFF6FF;
            transform: scale(1.05);
        }
        .carousel-btn:active {
            transform: scale(0.95);
        }
        .carousel-btn:focus-visible {
            outline: 2px solid #BFDBFE;
            outline-offset: 2px;
        }

        /* 星级 */
        .star {
            color: var(--accent);
            fill: var(--accent);
        }

        /* 下载按钮 */
        .download-btn {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 24px;
            border-radius: var(--radius-md);
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
            transition: all 0.25s ease;
            min-width: 200px;
        }
        .download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(217, 119, 6, 0.15);
            border-color: #D97706;
        }
        .download-btn:active {
            transform: translateY(0);
        }
        .download-btn:focus-visible {
            outline: 2px solid #BFDBFE;
            outline-offset: 2px;
        }

        /* FAQ 手风琴 */
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 54px;
            padding: 0 4px;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            text-align: left;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question.active {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 20px;
            font-weight: 300;
            color: var(--text-muted);
            transition: transform 0.25s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-question.active .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 4px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 空状态 */
        .empty-state {
            border: 2px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 48px 24px;
            text-align: center;
            background: #fff;
        }

        /* 轮播隐藏滚动条 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        /* 文字截断 */
        .line-clamp-1 {
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

/* roulang page: article */
:root {
        --primary: #1D4ED8;
        --primary-dark: #1E40AF;
        --primary-light: #3B82F6;
        --accent: #D97706;
        --bg: #F8FAFC;
        --card-border: #E2E8F0;
        --text-title: #0F172A;
        --text-body: #334155;
        --text-secondary: #64748B;
        --text-muted: #94A3B8;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        background-color: var(--bg);
        color: var(--text-body);
        line-height: 1.7;
        font-feature-settings: "tnum";
        -webkit-font-smoothing: antialiased;
    }
    a { text-decoration: none; color: inherit; }
    img { display: block; max-width: 100%; }
    button { font-family: inherit; }
    .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;
    }
    .nav-item {
        display: flex;
        align-items: center;
        gap: 12px;
        height: 48px;
        padding: 0 16px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 500;
        color: #475569;
        transition: background .2s ease, color .2s ease;
        position: relative;
    }
    .nav-item:hover {
        background: #F8FAFC;
        color: var(--primary);
    }
    .nav-item.active {
        background: #EFF6FF;
        color: var(--primary);
        font-weight: 600;
    }
    .nav-item.active::before {
        content: '';
        position: absolute;
        left: -6px;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 20px;
        border-radius: 4px;
        background: var(--primary);
    }
    .nav-item:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .mobile-nav {
        transform: translateY(-16px);
        opacity: 0;
        pointer-events: none;
        transition: all .3s ease;
    }
    .mobile-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .article-body {
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-body);
    }
    .article-body p {
        margin-bottom: 28px;
        letter-spacing: .01em;
    }
    .article-body h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--text-title);
        margin: 40px 0 16px;
        line-height: 1.35;
        letter-spacing: -.01em;
    }
    .article-body h3 {
        font-size: 18px;
        font-weight: 600;
        color: var(--text-title);
        margin: 30px 0 12px;
        line-height: 1.4;
    }
    .article-body h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-title);
        margin: 24px 0 10px;
    }
    .article-body blockquote {
        border-left: 4px solid var(--primary);
        background: #EFF6FF;
        padding: 16px 20px;
        border-radius: 0 12px 12px 0;
        margin: 28px 0;
        color: #475569;
        font-size: 15px;
    }
    .article-body img {
        border-radius: 12px;
        margin: 28px auto;
        width: 100%;
        height: auto;
    }
    .article-body figure {
        margin: 28px 0;
    }
    .article-body figcaption {
        text-align: center;
        font-size: 13px;
        color: var(--text-muted);
        margin-top: 8px;
    }
    .article-body ul,
    .article-body ol {
        margin: 0 0 28px 0;
        padding-left: 22px;
    }
    .article-body ul li,
    .article-body ol li {
        margin-bottom: 8px;
    }
    .article-body table {
        width: 100%;
        border-collapse: collapse;
        font-size: 14px;
        margin: 28px 0;
        border-radius: 10px;
        overflow: hidden;
    }
    .article-body th {
        background: #F1F5F9;
        color: var(--text-title);
        font-weight: 600;
        text-align: left;
        padding: 12px 16px;
        border-bottom: 1px solid #E2E8F0;
    }
    .article-body td {
        padding: 12px 16px;
        border-bottom: 1px solid #F1F5F9;
    }
    .article-body tr:last-child td {
        border-bottom: none;
    }
    .article-body a {
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 3px;
    }
    .article-body a:hover { color: var(--primary-dark); }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        padding: 12px 28px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        box-shadow: 0 6px 16px rgba(29, 78, 216, 0.25);
        transition: all .25s ease;
        border: none;
        cursor: pointer;
        line-height: 1.4;
    }
    .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(29, 78, 216, 0.32);
    }
    .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(29, 78, 216, 0.2); }
    .btn-primary:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: #fff;
        color: var(--primary);
        border: 1px solid var(--primary);
        padding: 12px 28px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 600;
        transition: all .25s ease;
        cursor: pointer;
        line-height: 1.4;
    }
    .btn-outline:hover {
        background: #EFF6FF;
        border-color: var(--primary-dark);
    }
    .btn-outline:active { background: #DBEAFE; }
    .btn-outline:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .share-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 10px;
        border: 1px solid #E2E8F0;
        background: #fff;
        color: #64748B;
        transition: all .2s ease;
        cursor: pointer;
        flex-shrink: 0;
    }
    .share-btn:hover {
        color: var(--primary);
        border-color: var(--primary);
        background: #EFF6FF;
        transform: translateY(-1px);
    }
    .share-btn:active { transform: translateY(0); }
    .share-btn:focus-visible {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
    .breadcrumb-link {
        position: relative;
    }
    .breadcrumb-link::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--primary);
        transition: width .25s ease;
    }
    .breadcrumb-link:hover::after { width: 100%; }
    .scrollbar-hide::-webkit-scrollbar { display: none; }
    .scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
    .faq-item summary { list-style: none; cursor: pointer; }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary .plus-icon {
        transition: transform .3s ease;
    }
    .faq-item[open] summary .plus-icon {
        transform: rotate(45deg);
    }
    @media (max-width: 1023px) {
        .article-body { font-size: 15px; line-height: 1.8; }
        .article-body p { margin-bottom: 22px; }
    }
    @media (max-width: 520px) {
        .article-body h2 { font-size: 20px; }
        .article-body h3 { font-size: 17px; }
    }

/* roulang page: category1 */
:root {
  --primary: #1D4ED8;
  --primary-dark: #1E40AF;
  --primary-light: #3B82F6;
  --accent: #D97706;
  --bg: #F8FAFC;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --text: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-faint: #94A3B8;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 16px rgba(15,23,42,0.06);
  --shadow-card-hover: 0 12px 28px rgba(29,78,216,0.08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; background: none; border: none; cursor: pointer; }

@media (max-width: 1023px) {
  body { padding-top: 60px; }
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 48px;
  padding: 0 16px;
  margin-bottom: 2px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: #475569;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-item:hover { background: #F8FAFC; color: var(--primary); }
.nav-item.active {
  background: #EFF6FF;
  color: var(--primary);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--primary);
}
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.shadow-card { box-shadow: var(--shadow-card); }
.article-card {
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.article-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.img-zoom { transition: transform 0.4s ease; }
.group:hover .img-zoom { transform: scale(1.05); }

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 58px;
  padding: 14px 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-item.active .faq-question { color: var(--primary); }
.faq-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: #F1F5F9;
  color: var(--accent);
  font-size: 18px;
  font-weight: 600;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.2s ease;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: #FEF3C7;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 18px 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* roulang page: category2 */
:root {
            --primary: #1D4ED8;
            --primary-light: #3B82F6;
            --accent: #D97706;
            --bg-page: #F8FAFC;
            --bg-block: #F1F5F9;
            --bg-hero: #EFF6FF;
            --card-bg: #FFFFFF;
            --border-color: #E2E8F0;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-faint: #94A3B8;
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-card-hover: 0 12px 28px rgba(29, 78, 216, 0.08);
            --shadow-btn: 0 6px 16px rgba(29, 78, 216, 0.25);
            --shadow-btn-hover: 0 10px 24px rgba(29, 78, 216, 0.32);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-page);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            height: 48px;
            padding: 0 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            transition: all 0.2s ease;
            position: relative;
        }

        .nav-item:hover {
            background: #F8FAFC;
            color: #0F172A;
        }

        .nav-item.active {
            background: #EFF6FF;
            color: var(--primary);
            font-weight: 600;
        }

        .nav-item.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            border-radius: 4px;
            background: var(--primary);
        }

        .nav-item:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 140px;
            height: 48px;
            padding: 0 22px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            box-shadow: var(--shadow-btn);
            transition: all 0.2s ease;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            background: #1E40AF;
            box-shadow: var(--shadow-btn-hover);
        }

        .btn-primary:active {
            transform: translateY(0);
            background: #1E40AF;
        }

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

        .btn-secondary-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-width: 140px;
            height: 48px;
            padding: 0 22px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: #E2E8F0;
            border: 1px solid rgba(255, 255, 255, 0.28);
            font-size: 15px;
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .btn-secondary-light:hover {
            background: rgba(255, 255, 255, 0.16);
            color: #fff;
            transform: translateY(-2px);
        }

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

        .btn-secondary-light:focus-visible {
            outline: 2px solid #E2E8F0;
            outline-offset: 2px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            height: 36px;
            padding: 0 18px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--border-color);
            color: #475569;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #EFF6FF;
        }

        .tag-item.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .tag-item:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .event-card {
            display: flex;
            flex-direction: column;
            gap: 16px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 16px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        @media (min-width: 640px) {
            .event-card {
                flex-direction: row;
                align-items: center;
            }
        }

        .event-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .section-index {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.08em;
        }

        .section-title {
            margin-top: 8px;
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.3;
        }

        @media (max-width: 640px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-subtitle {
            margin-top: 8px;
            font-size: 15px;
            color: var(--text-muted);
        }

        .step-item {
            position: relative;
            padding: 12px 8px;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 20px;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
        }

        .step-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #EFF6FF;
            color: var(--primary);
            font-size: 15px;
            font-weight: 700;
        }

        .step-item h3 {
            margin-top: 14px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
        }

        .step-item p {
            margin-top: 6px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-toggle {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 0;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            transition: color 0.2s ease;
            gap: 16px;
        }

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

        .faq-item.open .faq-toggle {
            color: var(--primary);
        }

        .faq-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: #F1F5F9;
            color: var(--text-muted);
            font-size: 19px;
            font-weight: 500;
            line-height: 1;
            transition: transform 0.25s ease, background 0.2s ease, color 0.2s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: #EFF6FF;
            color: var(--primary);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-content p {
            padding: 0 32px 18px 0;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stat-label {
            margin-top: 4px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            height: 24px;
            padding: 0 10px;
            border-radius: 6px;
            background: #EFF6FF;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .link-arrow:hover {
            color: #1E40AF;
            text-decoration: underline;
        }

        .link-arrow svg {
            transition: transform 0.2s ease;
        }

        .link-arrow:hover svg {
            transform: translateX(3px);
        }

        .link-arrow:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .aside-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 12px 0;
            font-size: 14px;
            color: var(--text-body);
            transition: color 0.2s ease, padding-left 0.2s ease;
            border-bottom: 1px solid #F1F5F9;
        }

        .aside-link:last-child {
            border-bottom: none;
        }

        .aside-link:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .aside-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }