/* roulang page: index */
:root {
            --bs-body-bg: #FBFBFA;
            --bs-body-color: #2B2927;
            --bs-primary: #1C1B19;
            --bs-secondary: #6E6B64;
            --accent-gold: #C29968;
            --accent-gold-soft: rgba(194, 153, 104, 0.12);
            --border-subtle: #EAE7E1;
            --border-medium: #DCD8D0;
            --card-bg: #FFFFFF;
            --card-muted: #F5F3EF;
            --card-shadow: 0 4px 20px -2px rgba(28, 27, 25, 0.04), 0 2px 6px -1px rgba(28, 27, 25, 0.02);
            --card-shadow-hover: 0 12px 30px -4px rgba(28, 27, 25, 0.08), 0 4px 12px -2px rgba(28, 27, 25, 0.03);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", -apple-system, sans-serif;
            --font-num: "Playfair Display", -apple-system, "Segoe UI", sans-serif;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bs-body-bg);
            color: var(--bs-body-color);
            line-height: 1.7;
            letter-spacing: 0.015em;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--bs-primary);
            letter-spacing: -0.015em;
            font-weight: 700;
        }

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

        .btn {
            border-radius: 6px;
            font-weight: 600;
            padding: 0.65rem 1.4rem;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .btn-primary {
            background-color: var(--bs-primary);
            border-color: var(--bs-primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background-color: #312F2C;
            border-color: #312F2C;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(28, 27, 25, 0.15);
        }

        .btn-accent {
            background-color: var(--accent-gold);
            border-color: var(--accent-gold);
            color: #FFFFFF;
        }
        .btn-accent:hover {
            background-color: #B18856;
            border-color: #B18856;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(194, 153, 104, 0.25);
        }

        .btn-outline-custom {
            border: 1px solid var(--border-medium);
            background-color: transparent;
            color: var(--bs-primary);
        }
        .btn-outline-custom:hover {
            background-color: #FFFFFF;
            border-color: var(--bs-primary);
            color: var(--bs-primary);
        }

        /* 顶部通告条 */
        .top-notice-bar {
            background-color: #F3F1EC;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 0.82rem;
            color: var(--bs-secondary);
            padding: 6px 0;
        }

        /* 导航系统 */
        .main-header {
            background-color: rgba(251, 251, 250, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 1040;
        }
        .navbar-brand-custom {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.28rem;
            font-weight: 800;
            color: var(--bs-primary);
            letter-spacing: -0.02em;
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--bs-primary);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-pill-wrapper {
            position: relative;
            width: 100%;
            max-width: 440px;
        }
        .search-pill-input {
            width: 100%;
            background-color: #F0ECE6;
            border: 1px solid transparent;
            border-radius: 9999px;
            padding: 0.5rem 5rem 0.5rem 2.6rem;
            font-size: 0.88rem;
            color: var(--bs-primary);
            outline: none;
            transition: all 0.2s ease;
        }
        .search-pill-input:focus {
            background-color: #FFFFFF;
            border-color: var(--accent-gold);
            box-shadow: 0 0 0 3px rgba(194, 153, 104, 0.15);
        }
        .search-icon-fixed {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--bs-secondary);
            font-size: 0.95rem;
        }
        .search-hotkey-badge {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            background: #E4DFD7;
            color: #5C5852;
            font-size: 0.72rem;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: monospace;
            pointer-events: none;
        }

        .nav-link-custom {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--bs-secondary);
            padding: 0.5rem 0.85rem;
            border-radius: 6px;
            transition: all 0.2s ease;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--bs-primary);
            background-color: #EFECE7;
        }

        /* 模块基础容器 */
        .section-block {
            padding: 5.5rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .section-tag {
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-gold);
            margin-bottom: 0.6rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .section-title {
            font-size: 2.15rem;
            line-height: 1.25;
            margin-bottom: 1rem;
        }
        .section-desc {
            color: var(--bs-secondary);
            font-size: 1.02rem;
            line-height: 1.7;
            max-width: 780px;
        }

        /* 卡片基础系统 */
        .custom-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-subtle);
            border-radius: 10px;
            padding: 2rem;
            box-shadow: var(--card-shadow);
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .custom-card:hover {
            transform: translateY(-4px);
            border-color: #D3CDC2;
            box-shadow: var(--card-shadow-hover);
        }

        /* Hero 开篇 */
        .hero-section {
            padding: 5.5rem 0 4.5rem;
            background: radial-gradient(circle at 85% 15%, rgba(194, 153, 104, 0.07) 0%, transparent 60%);
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-title {
            font-size: 3rem;
            line-height: 1.18;
            font-weight: 800;
            margin-bottom: 1.4rem;
        }
        .hero-lead {
            font-size: 1.15rem;
            color: var(--bs-secondary);
            line-height: 1.75;
            margin-bottom: 2rem;
        }
        .dash-board-panel {
            background: #1C1B19;
            color: #E6E4DE;
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: 0 20px 40px rgba(28, 27, 25, 0.15);
            position: relative;
            overflow: hidden;
            border: 1px solid #33312E;
        }
        .dash-board-panel::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle, rgba(194, 153, 104, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        /* Bento Grid 矩阵 */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 1.5rem;
        }
        .bento-col-8 {
            grid-column: span 8;
        }
        .bento-col-4 {
            grid-column: span 4;
        }

        /* 时间轴 */
        .timeline-wrapper {
            position: relative;
            padding-left: 2rem;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--border-medium);
        }
        .timeline-node {
            position: relative;
            margin-bottom: 2.5rem;
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #FFFFFF;
            border: 3px solid var(--accent-gold);
        }

        /* 常见疑问 Accordion */
        .accordion-custom .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-subtle);
        }
        .accordion-custom .accordion-button {
            background: transparent;
            padding: 1.35rem 0;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--bs-primary);
            box-shadow: none;
        }
        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--accent-gold);
            background: transparent;
        }
        .accordion-custom .accordion-body {
            padding: 0 0 1.5rem 0;
            color: var(--bs-secondary);
            font-size: 0.98rem;
            line-height: 1.75;
        }

        /* 页脚 */
        .main-footer {
            background-color: #171615;
            color: #A3A099;
            padding: 4.5rem 0 2rem;
            font-size: 0.92rem;
        }
        .footer-heading {
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: -0.01em;
        }
        .footer-link {
            color: #A3A099;
            display: block;
            margin-bottom: 0.65rem;
            transition: color 0.2s ease;
        }
        .footer-link:hover {
            color: #E2DFD8;
        }
        .footer-bottom {
            border-top: 1px solid #2B2926;
            margin-top: 3.5rem;
            padding-top: 1.8rem;
            font-size: 0.82rem;
            color: #7A7770;
        }

        @media (max-width: 991px) {
            .bento-col-8, .bento-col-4 {
                grid-column: span 12;
            }
            .hero-title {
                font-size: 2.25rem;
            }
            .section-block {
                padding: 4rem 0;
            }
            .search-pill-wrapper {
                max-width: 100%;
                margin: 0.8rem 0;
            }
        }

/* roulang page: category1 */
:root {
        --bs-body-bg: #FBFBFA;
        --bs-body-color: #2B2927;
        --bs-primary: #1C1B19;
        --bs-secondary: #6E6B64;
        --accent-gold: #C29968;
        --accent-gold-soft: rgba(194, 153, 104, 0.12);
        --border-subtle: #EAE7E1;
        --border-medium: #DCD8D0;
        --card-bg: #FFFFFF;
        --card-muted: #F5F3EF;
        --card-shadow: 0 4px 20px -2px rgba(28, 27, 25, 0.04), 0 2px 6px -1px rgba(28, 27, 25, 0.02);
        --card-shadow-hover: 0 12px 30px -4px rgba(28, 27, 25, 0.08), 0 4px 12px -2px rgba(28, 27, 25, 0.03);
        --font-sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", -apple-system, sans-serif;
        --font-num: "Playfair Display", -apple-system, "Segoe UI", sans-serif;
    }
    body {
        font-family: var(--font-sans);
        background-color: var(--bs-body-bg);
        color: var(--bs-body-color);
        line-height: 1.7;
        letter-spacing: 0.015em;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.2s ease;
    }
    .btn {
        border-radius: 6px;
        font-weight: 600;
        padding: 0.65rem 1.4rem;
        transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .btn-primary {
        background-color: var(--bs-primary);
        border-color: var(--bs-primary);
        color: #FFFFFF;
    }
    .btn-primary:hover {
        background-color: #312F2C;
        border-color: #312F2C;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(28, 27, 25, 0.15);
    }
    .btn-accent {
        background-color: var(--accent-gold);
        border-color: var(--accent-gold);
        color: #FFFFFF;
    }
    .btn-accent:hover {
        background-color: #B18856;
        border-color: #B18856;
        color: #FFFFFF;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(194, 153, 104, 0.25);
    }
    .btn-outline-custom {
        border: 1px solid var(--border-medium);
        background-color: transparent;
        color: var(--bs-primary);
    }
    .btn-outline-custom:hover {
        background-color: #FFFFFF;
        border-color: var(--bs-primary);
        color: var(--bs-primary);
    }
    .main-header {
        background-color: rgba(251, 251, 250, 0.95);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-subtle);
        position: sticky;
        top: 0;
        z-index: 1040;
    }
    .navbar-brand-custom {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.28rem;
        font-weight: 800;
        color: var(--bs-primary);
        letter-spacing: -0.02em;
    }
    .brand-icon {
        width: 34px;
        height: 34px;
        background: var(--bs-primary);
        color: #FFFFFF;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        font-size: 1rem;
    }
    .search-pill-wrapper {
        position: relative;
        width: 100%;
        max-width: 440px;
    }
    .search-pill-input {
        width: 100%;
        background-color: #F0ECE6;
        border: 1px solid transparent;
        border-radius: 9999px;
        padding: 0.5rem 5rem 0.5rem 2.6rem;
        font-size: 0.88rem;
        color: var(--bs-primary);
        outline: none;
        transition: all 0.2s ease;
    }
    .search-pill-input:focus {
        background-color: #FFFFFF;
        border-color: var(--accent-gold);
        box-shadow: 0 0 0 3px rgba(194, 153, 104, 0.15);
    }
    .search-icon-fixed {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--bs-secondary);
        font-size: 0.95rem;
    }
    .search-hotkey-badge {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        background: #E4DFD7;
        color: #5C5852;
        font-size: 0.72rem;
        padding: 2px 6px;
        border-radius: 4px;
        font-family: monospace;
        pointer-events: none;
    }
    .nav-link-custom {
        font-weight: 600;
        font-size: 0.92rem;
        color: var(--bs-secondary);
        padding: 0.5rem 0.85rem;
        border-radius: 6px;
        transition: all 0.2s ease;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
        color: var(--bs-primary);
        background-color: #EFECE7;
    }
    .section-block {
        padding: 4.8rem 0;
        border-bottom: 1px solid var(--border-subtle);
    }
    .section-tag {
        font-size: 0.8rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.08em;
        color: var(--accent-gold);
        margin-bottom: 0.6rem;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .section-title {
        font-size: 2.15rem;
        line-height: 1.25;
        margin-bottom: 1rem;
        font-weight: 800;
        color: var(--bs-primary);
        letter-spacing: -0.015em;
    }
    .section-desc {
        color: var(--bs-secondary);
        font-size: 1.02rem;
        line-height: 1.7;
        max-width: 800px;
    }
    .custom-card {
        background-color: var(--card-bg);
        border: 1px solid var(--border-subtle);
        border-radius: 10px;
        padding: 1.8rem;
        box-shadow: var(--card-shadow);
        transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .custom-card:hover {
        transform: translateY(-4px);
        border-color: var(--accent-gold);
        box-shadow: var(--card-shadow-hover);
    }
    .creator-hero-banner {
        background: linear-gradient(180deg, #F5F2EB 0%, #FBFBFA 100%);
        border-bottom: 1px solid var(--border-subtle);
        padding: 3.5rem 0 3rem;
    }
    .creator-profile-card {
        background: #FFFFFF;
        border: 1px solid var(--border-subtle);
        border-radius: 12px;
        padding: 2.2rem;
        box-shadow: var(--card-shadow);
    }
    .creator-avatar-wrap {
        width: 80px;
        height: 80px;
        background: var(--bs-primary);
        color: #FFFFFF;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2.2rem;
        box-shadow: 0 8px 24px rgba(28, 27, 25, 0.12);
        flex-shrink: 0;
    }
    .badge-pill-soft {
        background-color: var(--card-muted);
        color: var(--bs-secondary);
        border: 1px solid var(--border-subtle);
        font-size: 0.8rem;
        padding: 0.35rem 0.8rem;
        border-radius: 9999px;
        font-weight: 600;
    }
    .badge-pill-accent {
        background-color: var(--accent-gold-soft);
        color: var(--accent-gold);
        border: 1px solid rgba(194, 153, 104, 0.3);
        font-size: 0.8rem;
        padding: 0.35rem 0.8rem;
        border-radius: 9999px;
        font-weight: 600;
    }
    .filter-surface {
        background: #FFFFFF;
        border: 1px solid var(--border-subtle);
        border-radius: 10px;
        padding: 1.4rem 1.8rem;
        box-shadow: var(--card-shadow);
    }
    .filter-chip {
        display: inline-block;
        padding: 0.4rem 1rem;
        border-radius: 9999px;
        font-size: 0.86rem;
        font-weight: 500;
        color: var(--bs-secondary);
        background: #F4F1EC;
        border: 1px solid transparent;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .filter-chip:hover, .filter-chip.active {
        background: var(--bs-primary);
        color: #FFFFFF;
    }
    .spec-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: 1px dashed var(--border-subtle);
        font-size: 0.88rem;
    }
    .spec-item:last-child {
        border-bottom: none;
    }
    .spec-key {
        color: var(--bs-secondary);
    }
    .spec-val {
        font-family: monospace;
        font-weight: 600;
        color: var(--bs-primary);
    }
    .rank-order-num {
        font-family: var(--font-num);
        font-size: 2.2rem;
        line-height: 1;
        font-weight: 700;
        color: var(--accent-gold);
    }
    .guide-box {
        background: #FFFFFF;
        border: 1px solid var(--border-subtle);
        border-radius: 12px;
        overflow: hidden;
    }
    .guide-sidebar {
        background: #F7F5F0;
        border-right: 1px solid var(--border-subtle);
        padding: 2.5rem;
    }
    .guide-content {
        padding: 2.5rem;
    }
    .faq-direct-card {
        background: #FFFFFF;
        border: 1px solid var(--border-subtle);
        border-radius: 10px;
        padding: 1.8rem;
        height: 100%;
        transition: border-color 0.2s ease;
    }
    .faq-direct-card:hover {
        border-color: var(--accent-gold);
    }
    .custom-footer {
        background: #F4F1EC;
        border-top: 1px solid var(--border-subtle);
        padding: 5rem 0 2rem;
    }
    .footer-title {
        font-size: 0.95rem;
        font-weight: 700;
        margin-bottom: 1.2rem;
        color: var(--bs-primary);
        letter-spacing: 0.05em;
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-links li {
        margin-bottom: 0.65rem;
    }
    .footer-links a {
        color: var(--bs-secondary);
        font-size: 0.9rem;
    }
    .footer-links a:hover {
        color: var(--bs-primary);
    }
    .footer-bottom-bar {
        border-top: 1px solid var(--border-subtle);
        padding-top: 2rem;
        margin-top: 3.5rem;
        font-size: 0.85rem;
        color: var(--bs-secondary);
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}