/* roulang page: index */
:root {
            --bg-main: #0c0d0e;
            --bg-card: #141517;
            --bg-card-hover: #1c1d21;
            --text-main: #ededed;
            --text-muted: #8e9095;
            --text-light-muted: #5e6065;
            --accent-gold: #c5a059;
            --accent-gold-hover: #dfb974;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(197, 160, 89, 0.4);
            --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: var(--font-sans);
            letter-spacing: 0.02em;
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* 统一顶栏导航 - 严格跟图 */
        .site-header {
            background-color: rgba(12, 13, 14, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-size: 1.05rem;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            letter-spacing: 0.05em;
        }
        .navbar-brand:hover {
            color: var(--accent-gold);
        }
        .brand-dot {
            width: 7px;
            height: 7px;
            background-color: var(--accent-gold);
            border-radius: 50%;
            display: inline-block;
            margin-right: 9px;
        }

        .nav-link {
            color: var(--text-muted) !important;
            font-size: 0.85rem;
            padding: 0.5rem 1rem !important;
            transition: color 0.25s ease;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--text-main) !important;
        }

        .btn-header-cta {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-dark);
            font-size: 0.8rem;
            padding: 0.4rem 1.1rem;
            border-radius: 2px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }
        .btn-header-cta:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }

        /* 首屏 Hero - 对照参考图字体与留白 */
        .hero-section {
            padding-top: 170px;
            padding-bottom: 90px;
            position: relative;
            background: radial-gradient(circle at 85% 18%, rgba(197, 160, 89, 0.06) 0%, transparent 60%);
        }
        .hero-eyebrow {
            color: var(--accent-gold);
            font-size: 0.75rem;
            letter-spacing: 0.25em;
            margin-bottom: 2rem;
            display: inline-flex;
            align-items: center;
            opacity: 0.9;
        }
        .hero-eyebrow::before {
            content: "";
            display: inline-block;
            width: 24px;
            height: 1px;
            background-color: var(--accent-gold);
            margin-right: 12px;
        }
        .hero-title {
            font-family: var(--font-serif);
            font-size: clamp(2.3rem, 4.8vw, 3.8rem);
            font-weight: 400;
            line-height: 1.35;
            letter-spacing: 0.03em;
            margin-bottom: 1.8rem;
            color: #f7f7f7;
        }
        .hero-title em {
            font-style: normal;
            color: var(--accent-gold);
        }
        .hero-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            max-width: 520px;
            line-height: 1.9;
            margin-bottom: 2.8rem;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .btn-prime {
            background-color: transparent;
            color: #ededed;
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 0.85rem;
            padding: 0.65rem 1.7rem;
            border-radius: 2px;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
        }
        .btn-prime:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background-color: rgba(197, 160, 89, 0.04);
        }
        .btn-sub-link {
            color: var(--text-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .btn-sub-link:hover {
            color: var(--text-main);
        }

        /* 统计数据条 - 严格跟图四列纯数字 */
        .stat-section {
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
            padding: 42px 0;
            margin-bottom: 110px;
        }
        .stat-num {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 400;
            color: #f0f0f0;
            line-height: 1.1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 0.72rem;
            color: var(--text-light-muted);
            letter-spacing: 0.06em;
        }

        /* 板块公共编号与标题系统 */
        .sec-number {
            font-size: 0.75rem;
            letter-spacing: 0.15em;
            color: var(--accent-gold);
            margin-bottom: 1rem;
            font-family: var(--font-sans);
        }
        .sec-title {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 3.2vw, 2.5rem);
            font-weight: 400;
            line-height: 1.45;
            color: #f7f7f7;
            margin-bottom: 1.2rem;
        }
        .sec-sub {
            color: var(--text-muted);
            font-size: 0.88rem;
            max-width: 600px;
            line-height: 1.8;
            margin-bottom: 3.5rem;
        }

        /* 三列核心卖点卡片 - 严格跟图微框无边重感 */
        .feature-card {
            background-color: transparent;
            border: 1px solid var(--border-dark);
            padding: 2.8rem 2.2rem;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
        }
        .feature-card:hover {
            border-color: rgba(197, 160, 89, 0.4);
            background-color: rgba(255, 255, 255, 0.015);
            transform: translateY(-3px);
        }
        .card-num {
            font-size: 0.7rem;
            color: var(--accent-gold);
            margin-bottom: 2rem;
            display: block;
            letter-spacing: 0.1em;
        }
        .card-title {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            color: #ededed;
            margin-bottom: 1.2rem;
            font-weight: 400;
        }
        .card-text {
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 1.85;
            margin: 0;
        }

        /* 四宫格作品画廊 - 严格跟图 2x2 格局 */
        .gallery-grid {
            row-gap: 24px;
        }
        .gallery-item {
            position: relative;
            background-color: var(--bg-card);
            overflow: hidden;
            border-radius: 1px;
            aspect-ratio: 4 / 3;
            display: block;
            text-decoration: none;
            border: 1px solid var(--border-dark);
        }
        .gallery-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.5s ease;
            opacity: 0.88;
        }
        .gallery-item:hover .gallery-img {
            transform: scale(1.04);
            opacity: 1;
        }
        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1.5rem 1.8rem;
            background: linear-gradient(to top, rgba(10, 11, 12, 0.95) 0%, rgba(10, 11, 12, 0.4) 65%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }
        .gallery-item-title {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            color: #ffffff;
            margin-bottom: 0.35rem;
            font-weight: 400;
            letter-spacing: 0.03em;
        }
        .gallery-item-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
        }

        /* 居中引言独白区 - 严格跟图 */
        .quote-section {
            padding: 140px 0;
            text-align: center;
            background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.015) 0%, transparent 70%);
        }
        .quote-title {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 3.5vw, 2.7rem);
            font-weight: 400;
            color: #f7f7f7;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        .quote-author {
            color: var(--accent-gold);
            font-size: 0.75rem;
            letter-spacing: 0.25em;
        }

        /* 品牌叙事与首字下沉排版区 - 严格跟图 03 / 关于我们 */
        .about-section {
            padding-bottom: 120px;
        }
        .drop-cap {
            float: left;
            font-family: var(--font-serif);
            font-size: 3.6rem;
            line-height: 0.85;
            padding-top: 4px;
            padding-right: 14px;
            padding-bottom: 4px;
            color: var(--accent-gold);
        }
        .lead-narrative {
            font-size: 1.05rem;
            line-height: 2;
            color: #e2e2e2;
            margin-bottom: 2rem;
            font-family: var(--font-serif);
        }
        .narrative-body p {
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 2.1;
            margin-bottom: 1.6rem;
        }

        /* 统一页脚 - 严格跟图分栏与横线 */
        .site-footer {
            border-top: 1px solid var(--border-dark);
            padding: 70px 0 35px;
            font-size: 0.82rem;
            color: var(--text-muted);
            background-color: #090a0b;
        }
        .footer-logo {
            font-size: 1.05rem;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            margin-bottom: 1.2rem;
            font-weight: 500;
        }
        .footer-intro {
            font-size: 0.78rem;
            line-height: 1.9;
            color: var(--text-light-muted);
            max-width: 320px;
        }
        .footer-info-line {
            line-height: 2;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 55px;
            padding-top: 25px;
            font-size: 0.72rem;
            color: var(--text-light-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .footer-bottom-bar a {
            color: var(--text-light-muted);
            text-decoration: none;
            margin-left: 1.2rem;
            transition: color 0.2s ease;
        }
        .footer-bottom-bar a:hover {
            color: var(--text-main);
        }

        /* 响应式断点适配 */
        @media (max-width: 991px) {
            .hero-section {
                padding-top: 130px;
                padding-bottom: 60px;
            }
            .stat-section {
                margin-bottom: 70px;
            }
            .quote-section {
                padding: 90px 0;
            }
        }
        @media (max-width: 767px) {
            .stat-col {
                margin-bottom: 1.5rem;
            }
            .feature-card {
                padding: 2rem 1.5rem;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .footer-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-bottom-bar a {
                margin-left: 0;
                margin-right: 1.2rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-main: #0c0d0e;
            --bg-card: #141517;
            --bg-card-hover: #1c1d21;
            --text-main: #ededed;
            --text-muted: #8e9095;
            --text-light-muted: #5e6065;
            --accent-gold: #c5a059;
            --accent-gold-hover: #dfb974;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(197, 160, 89, 0.4);
            --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: var(--font-sans);
            letter-spacing: 0.02em;
            line-height: 1.7;
            overflow-x: hidden;
        }
        .site-header {
            background-color: rgba(12, 13, 14, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-size: 1.05rem;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            letter-spacing: 0.05em;
            text-decoration: none;
        }
        .navbar-brand:hover {
            color: var(--accent-gold);
        }
        .brand-dot {
            width: 7px;
            height: 7px;
            background-color: var(--accent-gold);
            border-radius: 50%;
            display: inline-block;
            margin-right: 9px;
        }
        .nav-link {
            color: var(--text-muted) !important;
            font-size: 0.85rem;
            padding: 0.5rem 1rem !important;
            transition: color 0.25s ease;
            text-decoration: none;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--text-main) !important;
        }
        .btn-header-cta {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-dark);
            font-size: 0.8rem;
            padding: 0.4rem 1.1rem;
            border-radius: 2px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }
        .btn-header-cta:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }
        .page-hero {
            padding-top: 165px;
            padding-bottom: 75px;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(197, 160, 89, 0.07) 0%, transparent 65%);
            border-bottom: 1px solid var(--border-dark);
        }
        .hero-eyebrow {
            color: var(--accent-gold);
            font-size: 0.75rem;
            letter-spacing: 0.25em;
            margin-bottom: 1.5rem;
            display: inline-flex;
            align-items: center;
            opacity: 0.9;
        }
        .hero-eyebrow::before {
            content: "";
            display: inline-block;
            width: 24px;
            height: 1px;
            background-color: var(--accent-gold);
            margin-right: 12px;
        }
        .hero-title {
            font-family: var(--font-serif);
            font-size: clamp(2.2rem, 4.4vw, 3.4rem);
            font-weight: 400;
            line-height: 1.35;
            letter-spacing: 0.03em;
            margin-bottom: 1.6rem;
            color: #f7f7f7;
        }
        .hero-title em {
            font-style: normal;
            color: var(--accent-gold);
        }
        .hero-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            max-width: 640px;
            line-height: 1.9;
            margin-bottom: 2rem;
        }
        .sec-label {
            color: var(--accent-gold);
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            margin-bottom: 1rem;
            display: block;
        }
        .sec-title {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 3.2vw, 2.5rem);
            font-weight: 400;
            line-height: 1.45;
            color: #f7f7f7;
            margin-bottom: 1.2rem;
        }
        .feature-card {
            background-color: transparent;
            border: 1px solid var(--border-dark);
            padding: 2.5rem 2rem;
            height: 100%;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .feature-card:hover {
            border-color: rgba(197, 160, 89, 0.4);
            background-color: rgba(255, 255, 255, 0.015);
            transform: translateY(-3px);
        }
        .card-num {
            font-size: 0.7rem;
            color: var(--accent-gold);
            margin-bottom: 1.8rem;
            display: block;
            letter-spacing: 0.1em;
        }
        .card-title {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            color: #ededed;
            margin-bottom: 1rem;
            font-weight: 400;
        }
        .card-text {
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 1.85;
            margin: 0;
        }
        .gallery-box {
            position: relative;
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            overflow: hidden;
            display: block;
            aspect-ratio: 4 / 3;
            text-decoration: none;
        }
        .gallery-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(20%) brightness(0.85);
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
        }
        .gallery-box:hover .gallery-img {
            transform: scale(1.04);
            filter: grayscale(0%) brightness(0.95);
        }
        .gallery-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 13, 14, 0.85) 0%, rgba(12, 13, 14, 0.2) 60%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 1.5rem;
        }
        .gallery-title {
            font-family: var(--font-serif);
            font-size: 1.1rem;
            color: #ffffff;
            margin-bottom: 0.35rem;
        }
        .gallery-tag {
            font-size: 0.72rem;
            color: var(--accent-gold);
            letter-spacing: 0.08em;
        }
        .article-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            padding: 1.8rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .article-card:hover {
            border-color: rgba(197, 160, 89, 0.35);
            background-color: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .article-meta {
            font-size: 0.72rem;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .article-heading {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            color: #ededed;
            margin-bottom: 0.8rem;
            line-height: 1.5;
        }
        .article-summary {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }
        .article-link {
            font-size: 0.78rem;
            color: var(--accent-gold);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .quote-block {
            padding: 90px 0;
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
            background: radial-gradient(circle at 50% 50%, rgba(197, 160, 89, 0.035) 0%, transparent 70%);
        }
        .quote-text {
            font-family: var(--font-serif);
            font-size: clamp(1.4rem, 2.6vw, 2rem);
            color: #f0f0f0;
            line-height: 1.7;
            font-weight: 300;
        }
        .quote-author {
            color: var(--accent-gold);
            font-size: 0.8rem;
            letter-spacing: 0.2em;
            margin-top: 1.5rem;
            display: inline-block;
        }
        .faq-item {
            border: 1px solid var(--border-dark);
            padding: 1.6rem 2rem;
            background-color: var(--bg-card);
            margin-bottom: 1rem;
        }
        .faq-q {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            color: #ededed;
            margin-bottom: 0.6rem;
        }
        .faq-a {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.85;
            margin: 0;
        }
        .btn-prime {
            background-color: transparent;
            color: #ededed;
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 0.85rem;
            padding: 0.65rem 1.7rem;
            border-radius: 2px;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
        }
        .btn-prime:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background-color: rgba(197, 160, 89, 0.04);
        }
        .site-footer {
            border-top: 1px solid var(--border-dark);
            padding: 80px 0 40px;
            background-color: #090a0b;
        }
        .footer-logo {
            font-size: 1.05rem;
            color: var(--text-main);
            margin-bottom: 1.2rem;
            display: inline-flex;
            align-items: center;
        }
        .footer-intro {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.9;
            max-width: 440px;
        }
        .footer-info-line {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }
        .footer-bottom-bar {
            border-top: 1px solid var(--border-dark);
            margin-top: 60px;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.75rem;
            color: var(--text-light-muted);
        }
        .footer-bottom-bar a {
            color: var(--text-light-muted);
            text-decoration: none;
            margin-left: 1.5rem;
            transition: color 0.2s ease;
        }
        .footer-bottom-bar a:hover {
            color: var(--accent-gold);
        }
        @media (max-width: 991px) {
            .page-hero {
                padding-top: 130px;
                padding-bottom: 50px;
            }
            .feature-card {
                padding: 2rem 1.5rem;
            }
        }
        @media (max-width: 767px) {
            .page-hero {
                padding-top: 110px;
            }
            .quote-block {
                padding: 60px 0;
            }
            .faq-item {
                padding: 1.2rem 1.2rem;
            }
        }

/* roulang page: article */
:root {
            --bg-main: #0c0d0e;
            --bg-card: #141517;
            --bg-card-hover: #1c1d21;
            --text-main: #ededed;
            --text-muted: #8e9095;
            --text-light-muted: #5e6065;
            --accent-gold: #c5a059;
            --accent-gold-hover: #dfb974;
            --border-dark: rgba(255, 255, 255, 0.08);
            --border-gold: rgba(197, 160, 89, 0.4);
            --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: var(--font-sans);
            letter-spacing: 0.02em;
            line-height: 1.8;
            overflow-x: hidden;
        }

        /* 统一顶栏导航 */
        .site-header {
            background-color: rgba(12, 13, 14, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-dark);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: all 0.3s ease;
        }

        .navbar-brand {
            font-size: 1.05rem;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            letter-spacing: 0.05em;
            text-decoration: none;
        }

        .navbar-brand:hover {
            color: var(--accent-gold);
        }

        .brand-dot {
            width: 7px;
            height: 7px;
            background-color: var(--accent-gold);
            border-radius: 50%;
            display: inline-block;
            margin-right: 9px;
        }

        .nav-link {
            color: var(--text-muted) !important;
            font-size: 0.85rem;
            padding: 0.5rem 1rem !important;
            transition: color 0.25s ease;
            text-decoration: none;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--text-main) !important;
        }

        .btn-header-cta {
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-dark);
            font-size: 0.8rem;
            padding: 0.4rem 1.1rem;
            border-radius: 2px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

        .btn-header-cta:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
        }

        /* 文章页主体结构 */
        .article-wrapper {
            padding-top: 150px;
            padding-bottom: 100px;
        }

        .article-header {
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--border-dark);
        }

        .article-eyebrow {
            color: var(--accent-gold);
            font-size: 0.75rem;
            letter-spacing: 0.25em;
            margin-bottom: 1.5rem;
            display: inline-flex;
            align-items: center;
        }

        .article-eyebrow::before {
            content: "";
            display: inline-block;
            width: 24px;
            height: 1px;
            background-color: var(--accent-gold);
            margin-right: 12px;
        }

        .article-title {
            font-family: var(--font-serif);
            font-size: clamp(1.8rem, 3.5vw, 2.7rem);
            font-weight: 400;
            line-height: 1.4;
            color: #f7f7f7;
            margin-bottom: 1.5rem;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-hero-cover {
            margin-bottom: 45px;
            border-radius: 2px;
            overflow: hidden;
            border: 1px solid var(--border-dark);
        }

        .article-hero-cover img {
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
            display: block;
        }

        .article-content {
            font-size: 0.95rem;
            line-height: 2.05;
            color: #d1d3d8;
        }

        .article-content p {
            margin-bottom: 1.8rem;
        }

        .article-content h2, .article-content h3 {
            font-family: var(--font-serif);
            font-weight: 400;
            color: #f7f7f7;
            margin-top: 2.8rem;
            margin-bottom: 1.2rem;
            line-height: 1.4;
        }

        .article-content h2 {
            font-size: 1.5rem;
            border-left: 2px solid var(--accent-gold);
            padding-left: 12px;
        }

        .article-content h3 {
            font-size: 1.25rem;
        }

        .article-content blockquote {
            border-left: 2px solid var(--border-gold);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: var(--text-muted);
            font-style: italic;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 2px;
            margin: 2rem 0;
            border: 1px solid var(--border-dark);
        }

        /* 侧边导读与精选 */
        .sidebar-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            padding: 2rem 1.8rem;
            margin-bottom: 30px;
            border-radius: 2px;
        }

        .sidebar-title {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            color: #f7f7f7;
            margin-bottom: 1.4rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid var(--border-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .sidebar-title::after {
            content: "ARCHIVE";
            font-size: 0.65rem;
            letter-spacing: 0.15em;
            color: var(--accent-gold);
            font-family: var(--font-sans);
        }

        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-item {
            margin-bottom: 1.2rem;
            padding-bottom: 1.2rem;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
        }

        .sidebar-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .sidebar-link {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.88rem;
            display: block;
            line-height: 1.6;
            transition: color 0.25s ease;
        }

        .sidebar-link:hover {
            color: var(--accent-gold);
        }

        .sidebar-date {
            font-size: 0.75rem;
            color: var(--text-light-muted);
            margin-top: 4px;
            display: block;
        }

        /* 底部相关推荐网格 */
        .related-section {
            border-top: 1px solid var(--border-dark);
            padding-top: 70px;
            margin-top: 50px;
        }

        .section-tag {
            font-size: 0.75rem;
            color: var(--accent-gold);
            letter-spacing: 0.2em;
            margin-bottom: 0.8rem;
            display: block;
        }

        .related-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: 2px;
            overflow: hidden;
            height: 100%;
            transition: all 0.3s ease;
            text-decoration: none;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
        }

        .related-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .related-body {
            padding: 1.4rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .related-title {
            font-family: var(--font-serif);
            font-size: 1rem;
            color: #ededed;
            margin-bottom: 0.8rem;
            line-height: 1.5;
            transition: color 0.25s ease;
        }

        .related-card:hover .related-title {
            color: var(--accent-gold);
        }

        .related-summary {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .related-footer {
            font-size: 0.72rem;
            color: var(--text-light-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #08090a;
            border-top: 1px solid var(--border-dark);
            padding: 80px 0 30px;
            margin-top: 60px;
        }

        .footer-logo {
            font-size: 1.15rem;
            color: var(--text-main);
            display: inline-flex;
            align-items: center;
            font-weight: 500;
            margin-bottom: 1.2rem;
        }

        .footer-intro {
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 1.9;
            max-width: 420px;
        }

        .footer-info-line {
            color: var(--text-muted);
            font-size: 0.82rem;
            line-height: 1.9;
        }

        .btn-prime {
            background-color: transparent;
            color: #ededed;
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 0.85rem;
            padding: 0.65rem 1.7rem;
            border-radius: 2px;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
        }

        .btn-prime:hover {
            color: var(--accent-gold);
            border-color: var(--accent-gold);
            background-color: rgba(197, 160, 89, 0.04);
        }

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            margin-top: 50px;
            padding-top: 25px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
            font-size: 0.75rem;
            color: var(--text-light-muted);
        }

        .footer-bottom-bar a {
            color: var(--text-light-muted);
            text-decoration: none;
            margin-left: 20px;
            transition: color 0.25s ease;
        }

        .footer-bottom-bar a:hover {
            color: var(--accent-gold);
        }

        .not-found-box {
            padding: 80px 0;
            text-align: center;
        }

        @media (max-width: 991px) {
            .article-wrapper {
                padding-top: 120px;
            }
            .sidebar-col {
                margin-top: 50px;
            }
        }

/* 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}